E2700 competitive overview
赛门铁克终端安全解决方案
水坑攻击
利用软件更新 植入木马
受害者通过下载 软件更新受到感染
通过感染网站 等待目标对象上钩
受害者通过下载 软件更新受到感染
二月
三月 四月
五月 六月
七月 八月
九月 十月 十一月 十二月 一月 二月 三月
四月 五月
六月 七月
八月
2013
鱼叉式网络钓鱼
2014
利用软件更新 植入木马
Pune, India
Sydney, Australia
全球覆盖
全球视野
24*7 事件跟踪
快速检测
• 6970万个攻击传感器 • 超过190个国家
攻击活动
• 超过1亿5千万个受监控的 客户端、服务器与网关设备 • 全球覆盖
恶意软件情报
• 超过50,000个漏洞 • 15,000家供应商 • 105,000种技术
终端
57M 攻击探测器分
布在157个国家
2014年阻止182M web 攻击
逐行自动检测 超过100 Billon/月
3.7T
30% 全球企业邮件流量/天进行
监控 1.8 Billion
web 请求
威胁响应中心
快速安全响应队伍
9
500+
Copyright © 2014 Symantec Corporation
信誉评级
利用超过一亿人 的信誉评级来阻 挡恶意文件及网 站的存取
文件扫描
搜寻病毒特征, 以阻挡恶意文件
阻挡网络攻击, 不使其有机会 将恶意程序带 进系统里 基於协议的入侵检测 浏览器防护
文件信誉 网站信誉
防病度引擎 启发式扫描 自动防护
Quantum
Drives
Max Performance
Rack Size Capacity-onDemand Scalability Hot Spares
12 x 3.5” SATA (1TB) 1.1TB/hr
(2.4TB/hr Boost) 2U
No
Yes (1 per system)
6 or 12 x 3.5” NL-SAS (4TB), external JBODs
YES
YES
YES
YES
YES
16 | Quantum Confidential
Scale out Storage Portfolio
大数据管理，分级存储和归档
工作流横向扩展存储平台适用行业分类
▪ 企业视频资产/视频监控管理 ▪ 4K娱乐和媒体、广电及后期制作 ▪ 物探及卫星图像处理 ▪ 政府军方高性能计算及仿真 ▪ 制造行业及研发 ▪ 档案系统 ▪ Apple XSAN
10 | Quantum Confidential
11 | Quantum Confidential
Enterprise Library Competitive Overview
Quantum Scalar i6000
IBM TS3500
12 | Quantum Confidential
Oracle SL3000 / SL8500
创建部门归档 备份
现状 / 问题
在线课程、远程学习，以及其他视频措施都要 消耗大量的磁盘存储空间，从而使IT预算无法 支撑。
客户解决方案
Scalar LTFS 设备 + Scalar i500 磁带库
商业价值
• 通过删除静态数据把主存储系统的成本降低了 50%
NetApp E系列(LSI)案例与产品介绍
Analytics for extremely large datasets
¡ Distributed compute farms with standard software ¡ Simpler systems, faster to deploy ¡ Optimized balance between compute & storage ¡ Reliable data (metadata)
¡ NetApp branded E-Series Solution Focus only, target exactly these market requirements – A, B, C , sell by NetApp Geo Sales ONLY
¡ 增值的垂直市场和应用的解决方案
Solution and Vertical Market Pathway alignment
Hadoop FMV Media Content Broadcast Media StorNext 4U60, 5460, turbo, FC M&E High Touch Quantum Perf, density Seismic Process Upstream Energy StorNext 4U60, 5460, turbo, FC O&G High Touch Quantum Perf, density Lustre HPC Storage GRID 350TB+ content rep SGRID, 4U60, 2600 FC
MCM FMV
ISV/SI
SPS
ISV/SI
Lustre
ISV/SI Lustre
NOSH
ISV/SI Hadoop FS NetApp
电子商务专业英语第三次作业答案
02
E-commerce platform
Definition
E-commerce platforms are online marketplaces that enable businesses to buy and sell products and services.
Types
There are various types of e-commerce platforms including B2B (Business-to-Business), B2C (Business-to-Consumer), C2C (Consumer-to-Consumer) and B2G (Business-to-Government).
01
Overview of E-commerce
总结词
电子商务是一种通过互联网进行商业交易和相关活动的行为。
详细描述
电子商务（E-commerce）是指利用互联网、移动设备和相关的数字技术，实现商品或服务的交易、服务和信息交换的一种商业活动。它涵盖了B2B（企业对企业）、B2C（企业对消费者）、C2C（消费者对消费者）等多种交易模式。
The definition and types of e-commerce payments
Security is a top priority for e-commerce payments, as sensitive personal information needs to be protected during transactions.
E-commerce payments are typically categorized into various types, including online banking transfer, third-party payment, mobile payment, and digital currency payment. Each type has its own unique features and advantages.
EE271_validation[1]
![EE271_validation[1]](https://img.taocdn.com/s3/m/7f6fd4cada38376baf1fae10.png)
Intel Corporation jason.stinson@
J. Stinson © 2007
E important?
• Moore’s Law: Great for design, bad for test/quality
J. Stinson © 2007
EE 271 Overview
4
Manufacturing Test
• Goal is highest possible quality at lowest possible cost
– Quality is #1 concern
• Unlike software, silicon cannot be “patched” (usually) • Design cycles are 6 months to 6 years • EXTREMELY expensive to recall
• Lifetime range
– Typical CPU lifetime: 7-10 years
J. Stinson © 2007
EE 271 Overview
6
Debug Flow
• Multiple platforms
Socket Part – System (PC, server) – Automated Test Equipment (ATE) • 10K-1M diagnostic tests
– Cost of Shipping Quality is growing – Drives margins lower
J. Stinson © 2007 EE 271 Overview 2
Atlas Copco PF6 FlexSystem 灵活生产系统说明书
improving ergonomics and work range.
Reduce troubleshooting time and increase OEE With less components under stress, this modular plug-and-play controller increases your availability by more than 85%.
4
Easy system integration
A modular PF6 FlexSystem reduce your engineering e orts, making the integration with line equipments easier and e ective .
Improve your safety, while eliminate multiple cables and increase reliability and MTBF without worry about dirt or wet environments.
xtured controller that enables improved
exibility and higher productivity on the line
Innovation is the key to staying competitive
Smart Connected Assembly supports Industry 4.0 becoming a reality. A reality where technology is
销售方案英语模板
[Company Name][Company Address][City, State, Zip Code][Email Address][Phone Number][Date][Client Name][Client Address][City, State, Zip Code]Subject: Comprehensive Sales Proposal for [Product/Service Name]Dear [Client's Name],IntroductionWe hope this proposal outlines our comprehensive plan to offer[Product/Service Name] to your esteemed organization. At [Company Name], we pride ourselves on delivering exceptional products/services and building long-lasting relationships with our clients. We believe that [Product/Service Name] will greatly benefit your business and help you achieve your goals.Executive Summary[Product/Service Name] is designed to [briefly describe theproduct/service and its purpose]. Our solution addresses the following key areas:1. [Feature 1]: This feature provides [brief description of the benefit].2. [Feature 2]: This feature offers [brief description of the benefit].3. [Feature 3]: This feature solves [brief description of the problem or challenge].Our sales proposal includes the following sections:1. Product/Service Overview2. Market Analysis3. Competitive Analysis4. Sales Strategy5. Pricing Structure6. Implementation Plan7. Training and Support8. Success Metrics and Reporting1. Product/Service Overview[Product/Service Name] is a [brief description of the product/service, including its unique selling points]. It is designed to [describe the primary purpose and benefits of the product/service].2. Market AnalysisOur market analysis indicates that there is a growing demand for [Product/Service Name] in the [target market]. The following factors contribute to this demand:- [Factor 1]: Briefly describe the factor.- [Factor 2]: Briefly describe the factor.- [Factor 3]: Briefly describe the factor.3. Competitive Analysis[Product/Service Name] is positioned in the market as a [brief description of its competitive advantage]. We have analyzed our competitors and identified the following key points:- [Competitor 1]: Their strengths and weaknesses.- [Competitor 2]: Their strengths and weaknesses.- [Competitor 3]: Their strengths and weaknesses.Our solution offers the following competitive advantages:- [Advantage 1]: Briefly describe the advantage.- [Advantage 2]: Briefly describe the advantage.- [Advantage 3]: Briefly describe the advantage.4. Sales StrategyOur sales strategy for [Product/Service Name] includes the following components:- Target Market: We will focus on [target market segments].- Sales Channels: We will utilize [sales channels, e.g., direct sales, online channels, partners].- Promotional Activities: We will conduct [promotional activities, e.g., advertising, email marketing, trade shows].- Sales Team: Our dedicated sales team will be trained to effectively sell [Product/Service Name].5. Pricing StructureWe offer competitive pricing for [Product/Service Name], based on the following factors:- Market Analysis: Our pricing reflects the market demand and competition.- Value Proposition: Our pricing is designed to provide excellent value for money.- Customization: We offer various pricing options to accommodate different customer needs.6. Implementation PlanThe implementation of [Product/Service Name] will be carried out in the following phases:- Phase 1: Needs Assessment and Planning- Phase 2: Product/Service Delivery and Setup- Phase 3: Training and Support- Phase 4: Performance Monitoring and Optimization7. Training and SupportWe provide comprehensive training and support to ensure a smooth transition and optimal use of [Product/Service Name]. Our training program includes:- Initial Training: We will conduct on-site or virtual training sessions for your team.- Ongoing Support: Our support team will be available to assist you with。
Keithley 2700-2701-2750 编程手册
1.888.KEITHLEY (U.S. only)A G R E A T E R M E A S U R E O F C O N F I D E N C EIntegra Series systems (2700, 2701, 2750) com-bine precision measurement, switching, andc ontrol in a single, tightly integrated enclosure for either rack-mounted or benchtop applica-tions. These cost-effective, high performance test platforms offer affordable alternatives to separate DMMs and switch systems, dataloggers/recorders, plug-in card data acquisition equip-ment, and VXI/PXI systems. The Integra Series plug-in switching and control modules offer unmatched flexibility and testing efficiency for a wide range of industries and applications. System builders can create test solutions with a combination of channel count, cost per c hannel, and system performance unmatched by any other single-box measurement system. The input modules provide the flexibility to vary the channel count from 20 to 200 (2-pole), apply a stimulus to the device under test, route signals, control system components, and make precision measurements with up to 14 functions. Robustd igital I/O capabilities can be used for triggering, handshaking with other automation equipment, and alarm limit outputs. Scan rates of up to 500 channels/second (up to 3500 readings/second on a single channel) will increase test p roductivity.Fast Setup and OperationBuilt-in measurement functions include:• DC V • AC V • DC I • AC I• Resistance (2- or 4-wire, offset c ompensation selectable)• Dry circuit ohms (20mV clamp) 2750 only• Temperature (with thermo-couples, RTDs, or thermistors)• Frequency/Period • C ontinuity1.888.KEITHLEY (U.S. only)D I G I T A L M U L T I ME T E R S & S Y S T E M S A G R E A T E R M E A S U R E OF C O N F I D E N C EInstall up to five input modules in the 2750 mainframe (or up to two in the 2700 and 2701mainframes). All switch/control modules are fully enclosed in impact-resistant plastic forexceptional ruggedness. Three connector alternatives simplify connecting the modules to DUTs. Rugged D-sub connectors allow quick, secure connections and are especially convenient when performing routine maintenance or when the system is installed in a rack. IDC ribbon cable adapters are supplied with the Model 7701, 7707, and 7709 modules for fast, uncomplicated hookups in production test and process monitoring applications. Oversize screw-terminal connectors simplify setup in applications that require the greatest connection flexibility. Additional D-sub and IDC ribbon cable connector kits and pre-wired cable assemblies are sold s eparately.2701 in a point-to-point configuration, to multiple Model 2701s through a hub, or to multiple Model 2701s distributed on a network.The Model 2701 Ethernet port uses the industry-standard TCP/IP socket interface. This provides data rates up 100Mbits/sec. and allows the instrument to be located up to 100 meters from the nearestc omputer or network hub in hardwired systems and miles in wireless Ethernet systems. The maxi-mum distances between a control PC and the instruments are limited only by the size of the network. The instrument also provides a built-in diagnostic Web page for easy remote access to the Model 2701. Entering the instrument’s IP address in the URL line of Microsoft Internet Explorer will allow communication with and control of the Model 2701. This Web page allows users to read and set net-work parameters, such as IP address, subnet mask, gateway, MAC address, and calibration dates, and to send commands to and query data from the Model 2701.Temperature CapabilitiesIntegra Series mainframes support three major types of temperature sensors with built-in signal conditioning and 300V isolation: thermocouples, RTDs, and thermistors. To begin using a sensor, simply hook it up and the instrument does the rest. If a thermocouple is broken or disconnected, the instrument will alert the operator. The mainframes also support three methods for cold-junction compensation (CJC): automatic (built-in), external (built-in), and simulated.Multimeter/Data Acquisition/Switch SystemsSERVICES AVAILABLE2700-3Y-EW1-year factory warranty extended to 3 years from date of shipment2701-3Y-EW 1-year factory warranty extended to 3 yearsfrom date of shipment2750-3Y-EW 1-year factory warranty extended to 3 yearsfrom date of shipmentC/2700-3Y-ISO 3 (ISO-17025 accredited) calibrations within 3years of purchase*C/2701-3Y-ISO 3 (ISO-17025 accredited) calibrations within 3years of purchase*C/2750-3Y-ISO 3 (ISO-17025 accredited) calibrations within 3years of purchase**Not available in all countriesACCESSORIES AVAILABLE2750-321A Extra slot cover7007-1Shielded IEEE-488 Cable, 1m (3.3 ft.) (Models 2700, 2750 only)7007-2 Shielded IEEE-488 Cable, 2m (6.6 ft.)(Models 2700, 2750 only)7788 50-Pin D-Shell Connector Kit (2 each)(for Models7703, 7705 Modules w/D-sub Connectors)7789 50-Pin/25-Pin D-Shell Kit (1 each) 7790 50-Pin Male, 50-Pin Female, and 25-Pin Male IDCD-Shell Connector Kit (1 each) (Ribbon Cable not Included)7797 Calibration Extender Board (for Model 2750)7705-MTC-2 50-Pin Male to Female D-Sub Cable, 2m 7707-MTC-2 25-Pin Male to Female D-Sub Cable, 2mKPCI-488LPA IEEE-488 Interface/Controller for the PCI Bus(Models 2700, 2750 only)KUSB-488B IEEE-488 USB-to-GPIB Interface Adapter (Models2700, 2750 only)TYPICAL APPLICATIONS • Production test of electronic products and devices • Accelerated stress testing (AST)• Process monitor and control • Device characterization/R&D • Low ohms, multichannel measurementsI n t e g r a S e r i e s i n t e g r a t e d s w i t c h i n g , m e a s u r e m e n t , a n d d a t a l o g g i n g s o l u t i o n s1.888.KEITHLEY (U.S. only)A G R E A T E R M E A S U R E O F C O N F I D E N C Ecollector digital I/O lines for control, external triggering, and HI/LO alarm/limit outputs.(Model 2701).Built-in relay cycle counters on each module for ease of maintenance.change input signals or control lines as needed. Get up to 80 differential channels and scanning rates of up to 500 channels per second.2700, 2701, 2750Multimeter/Data Acquisition/Switch Systems1.888.KEITHLEY (U.S. only)D I G I T A L M U L T I ME T E R S & S Y S T E M S A G R E A T E R M E A S U R E OF C O N F I D E N C ERugged 50-pin D-sub connectors ensure dependability and quick setup/teardown inp roduction test racks.Screw terminals use oversize connectorsfor easier, mistake-free wiring. Easy-to-use removable terminals are available on some models.Software SolutionsWhether the task calls for a simple start-up package to acquire several channels of data or the tools to create a fully custom acquisition and analysis solution, Keithley has the software needed to get the most performance from a Model 2700, 2701, or 2750 Multimeter/Switch System. Our broad range of software solutions makes it easy to get applications “Up & Running” quickly and economically.Measurement Ranges for the Integra Series SystemsMultimeter/Data Acquisition/Switch SystemsI n t e g r a S e r i e s i n t e g r a t e d s w i t c h i n g , m e a s u r e m e n t , a n d d a t a l o g g i n g s o l u t i o n s1.888.KEITHLEY (U.S. only)A G R E A T E R M E A S U R E O F C O N F I D E N C EImportant Features and Benefits• Full per-channel configurability —Each channel can beindependently configured for making measurements. Theparameters that can be chosen for each channel include speed, range, resolution, number of power line cycles (NPLC), filtering type, offset compensation, math functions to be displayed, CJC type, RTD type, frequency gate time, “m” and “b” values in mX + b format, HI/LO limits, low Ω (Model 2750 only), ratio calculation, and thermistor type.• Channel monitor feature —Monitor any specific input channel on the front panel display during a scan. This feature can also serve as an analog trigger to initiate a scan sequence based on some external factor, such as a temperature rising above a pre-set limit. Only the data of interest is acquired, so there’s no need to spend hours searching through reams of normal readings to find anomalous data.• Front/rear switch —Switching between the front and rear panel measurement inputs is as easy as pressing a button. Users can select the front panel inputs for tasks such as system setup and verification, manual probing, troubleshooting, and calibration, while the rear panel inputs through the modules allow fast, automated multiplexing and control.• Battery-backed setup memory —Up to four different setup configurations can be stored in onboard memory. If the line power fails during a scan, the system will resume scanning where it stopped once power is restored.• Relay counting —Provides preventive maintenance of the system and switches.• Memory buffer —The mainframe’s non-volatile wrap-around reading memory allows continuous, unattended datalogging over long periods. Data in the buffer can be transferred to a PC controller automatically as new data is acquired. The real-time clock can be used to time- and date-stamp readings for later review and interpretation.• 2 TTL-level digital inputs —Use to implement external triggers to initiate a scan sequence.• 5 “per-channel” HI/LO alarm limit TTL outputs —Triggerexternal alarms or perform other control functions without a PC controller.• Dry circuit ohms (20mV clamp)—Protects sensitive devices from damage and prevents self-heating errors during testing (Model 2750 only).• Virtual channel —Stores the results of channel-to channel ratio and average math operations.• Onboard statistical analysis —Mathematical functions available at the push of a button are channel average, mX+b scaling, minimum, maximum, average, and standard d eviation.• GPIB and RS-232 interfaces (Models 2700 and 2750)• Ethernet and RS-232 interface(Model 2701 only)270027012750Which Integra Mainframe is the Best Choice for the Application?Use this s elector guide to decide which Integra Series mainframe offers the combination of features and capacity that’s right for a specific application. If testing requirements change in the future, switch/control modules and test code can be easily re-used.1.888.KEITHLEY (U.S. only)D I G I T A L M U L T I ME T E R S & S Y S T E M S A G R E A T E R M E A S U R E OF C O N F I D E N C ED C CHARACTERISTICS 1Conditions: MED (1 PLC)2 or 10 PLC or MED (1 PLC) with Digital Filter of 10Test Current ±5% or Burden VoltageInput Resistance or Open Circuit Voltage 3Accuracy: ±(ppm of reading + ppm of range) (ppm= parts per million) (e.g., 10ppm = 0.001%)Temperature Coefficient 0°–18°C & 28°–50°C24 Hour 423°C ±1°90 Day 23°C ±5°1 Year 23°C ±5°FunctionRangeResolution 2700/27012750 100.0000 mV 0.1 µV >10 G Ω >10 G Ω15 + 3025 + 3530 + 35(1 + 5)/°C Channel (Ratio)Ratio Accuracy = Accuracy of selected Channel Range + Accuracy of Paired Channel Range Channel (Average) 10Average Accuracy = Accuracy of selected Channel Range + Accuracy of Paired Channel RangeTEMPERATURE 19(Displayed in °C, °F, or K. Exclusive of probe errors.)Thermocouples (Accuracy based on ITS-90)90 Day/1 Year (23°C ± 5°C)Temperature Coefficient 0°–18°C & 28°–50°CType Range Resolution Relative to Simulated Reference Junction Using 77XXModule*J –200 to + 760°C 0.001 °C 0.2°C 1.0°C 0.03°C/°C 4-Wire RTD:(100Ω platinum [PT100], D100, F100, PT385, PT3916, or user type. Offset compensation On.)–200° to +630°C0.01°C0.06°C0.003°C/°CThermistor: (2.2k Ω, 5k Ω, and 10k Ω)20–80° to +150°C0.01°C0.08°C0.002°C/°CDC SYSTEM SPEEDS 15,182700/27502701RANGE CHANGES (excludes 4W Ω)16:50/s (42/s)50/s (42/s)FUNCTION CHANGES 16: 50/s (42/s)50/s (42/s)AUTORANGE TIME 16:<30 ms <30 ms ASCII READINGS TO RS-232 (19.2k baud): 55/s 300/s MAX. EXTERNAL TRIGGER RATE:375/s2000/sDC MEASUREMENT SPEEDS 15Single Channel, 60Hz (50Hz) OperationFunctionDigits Readings/sPLCs 6.5 12,165(4)105.525(20)0.1Multiple Channels, Into Memory 18Channels/s2700270127507710 Scanning DCV180/s 500/s 230/s 7710 Scanning DCV alternating 2W Ω40/s 115/s 55/sI n t e g r a S e r i e s c o n d e n s e d s p e c i f i c a t i o n s1.888.KEITHLEY (U.S. only)A G R E A T E R M E A S U R E O F C O N F I D E N C EDC NOTES1. 20% overrange except on 1000V and 3A.2. Add the following to “ppm of range” uncertainty; 100mV 15ppm; 1V and 100V 2ppm; for Model 2750 1Ω and Dry CircuitΩ 40ppm; 10→1M Ω 2ppm, for Models 2700/2701 100Ω 30ppm, 20mA and 1A 10ppm, 100mA 40ppm.3. ±2% (measured with 10M Ω input resistance DMM, >10G Ω DMM on 10M Ω and 100M Ω ranges). For Dry Circuit Ω,±25% with Input HI connected to Sense HI; with Sense HI disconnected add 30mV.4. Relative to calibration accuracy.5. For signal levels >500V, add 0.02ppm/V uncertainty for portion exceeding 500V.6. Specifications are for 4-wire Ω, 1Ω, 10Ω, and 100Ω with offset compensation on. With 77XX plug-in modules, LSYNCon. With offset compensation on, OPEN CKT. VOLTAGE is 12.8V. For 2-wire Ω add 1.5Ω to “ppm of range” uncertainty. 1Ω range is 4-wire only.7. Must have 10% matching of lead resistance in Input HI and LO.8. Add the following to “ppm of reading” uncertainty when using plug in modules: 10 k Ω 100 k Ω 1 M Ω 10 M Ω 100 M Ω All Modules: 220 ppm 2200 ppm 7701, 7703, 7707, 7709 Modules: 10 ppm 100 ppm 1000 ppm 1% 10% 7706, 7708, 7710 Modules: 5 ppm 50 ppm 500 ppm 5000 ppm 5% 7710 Module 23°C ±5°C: 11 ppm 110 ppm 1100 ppm 1.1% 11%9. Add 1.5V when used with plug in modules.10. For RATIO, DCV only. For AVERAGE, DCV, and Thermocouples only. Avail a ble with plug in modules only.11. Add 6µV to “of range” uncertainty when using Models 7701, 7703, and 7707, and 3µV for Models 7706 and 7709.12. Auto zero off.13. For LSYNC On, line frequency ±0.1 %. For LSYNC Off, use 60dB for ≥ 1PLC.14. For 1k Ω unbalance in LO lead. AC CMRR is 70dB.15. Speeds are for 60Hz (50Hz) operation using factory defaults operating conditions (*RST). Autorange off, Display off,Limits off, Trigger delay = 0.16. Speeds include measurements and binary data transfer out the GPIB or ASCII data transfer for Ethernet and RS-232(reading element only).17. Sample count = 1000, auto zero off (into memory buffer).18. Auto zero off, NPLC = 0.01 (Models 2700 and 2750), NPLC = 0.002 (Model 2701).19. Additional Uncertainty: Plug-In Modules Front Terminals 7709 7701, 7703, 7707 7700, 7708, 7706Simulated Simulated Simulated 7710 Using Using Type Range Ref. Junction Ref. Junction Ref. Junction CJC CJC J –200 to 0°C 0.1 0.1 0.3 0.8 1.6 K –200 to 0°C 0.2 0.2 0.4 0.8 1.6 N –200 to 0°C 0.3 0.3 0.6 0.8 1.6 T –200 to 0°C 0.2 0.1 0.4 0.8 1.6 E –200 to 0°C – 0.1 0.3 0.8 1.6 R 0 to +400°C 0.4 0.6 1.2 0.5 1.0 S 0 to +400°C 0.4 0.6 1.2 0.5 1.0 B +350 to +1100°C 0.8 0.3 1.7 0.5 1.020. For lead resistance >0Ω, add the following uncertainty/Ω for measurement temperatures of:70°–100°C 100°–150°C 2.2 k Ω(44004)0.22°C 1.11°C 5.0 k Ω(44007)0.10°C 0.46°C 10 k Ω(44006)0.04°C 0.19°C 21. For 4-wire Ω only, offset compensation on, LSYNC on.22. For Dry Circuit 1k Ω range, 2 readings/s max.23. For 2750 Front Inputs, add the following to Temperature Coefficient “ppm of reading” uncertainty: 1M Ω 25ppm, 10M Ω250ppm, 100M Ω 2500ppm. Operating environment specified for 0°C to 50°C and 50% RH at 35°C.24. Model 2750 only.25. Front panel resolution is limited to 0.1Ω.DC SPEED vs. NOISE REJECTIONReadings/s 12RMS Noise 10V RangeRate Filter Digits 2700,27502701NMRR CMRR 1410500.1 (0.08) 6.5 <1.2 µV <2.5 µV 110 dB 13140 dB 1Off 15 (12) 6.5 <4 µV <6 µV 90 dB 13140 dB 0.1Off 500 (400) 5.5 <22 µV <40 µV —80 dB 0.01Off 2500 (2000) 4.5 <150 µV <300 µV —80 dB 0.002Off3500 (2800)3.5— <1 mV —60 dBDC MEASUREMENT CHARACTERISTICSDC VOLTSA-D LINEARITY: 2.0 ppm of reading + 1.0 ppm of range.INPUT IMPEDANCE: 100mV–10V Ranges: Selectable >10G Ω // with <400pF or 10M Ω ±1%. 100V, 1000V Ranges : 10M Ω ±1%.Dry Circuit: 100k Ω ± 1% // <1µF.EARTH ISOLATION: 500V peak, >10G Ω and <300pF any terminal to c hassis.INPUT BIAS CURRENT: <75pA at 23°C.COMMON MODE CURRENT: <500nApp at 50Hz or 60Hz.AUTOZERO ERROR: Add ±(2ppm of range error + 5µV) for <10 minutes and ±1°C.INPUT PROTECTION: 1000V, all ranges. 300V with plug in modules.RESISTANCEMAXIMUM 4W Ω LEAD RESISTANCE: 80% of range per lead (Dry Ckt mode). 5Ω per lead for 1Ω range; 10% of range per lead for 10Ω, 100Ω, and 1k Ω ranges; 1k Ω per lead for all other ranges.OFFSET COMPENSATION: Selectable on 4W Ω, 1Ω, 10Ω, 100Ω, 1k Ω, and 10k Ω ranges.CONTINUITY THRESHOLD: Adjustable 1 to 1000Ω.INPUT PROTECTION: 1000V, all Source Inputs, 350V Sense Inputs. 300V with plug-in modules.DC CURRENTSHUNT RESISTORS: 100mA–3A, 0.1Ω. 20mA, 5Ω.INPUT PROTECTION: 3A, 250V fuse.THERMOCOUPLESCONVERSION: ITS-90.REFERENCE JUNCTION: Internal, External, or Simulated (Fixed).OPEN CIRCUIT CHECK: Selectable per channel. Open >11.4k Ω ±200Ω.AC SPECIFICATIONS 1Calibration Cycle Accuracy: ±(% of reading + % of range), 23°C ± 5°CFunctionRangeResolution 3 Hz–10 Hz 10 Hz–20 kHz 20 kHz–50 kHz 50 kHz–100 kHz100 kHz–300 kHzVoltage 2100.0000 mV 0.1 µV 90 Days (all ranges)0.35 + 0.030.05 + 0.030.11 + 0.050.6 + 0.08 4.0 + 0.5 1.000000 V 1.0 µV 10.00000 V 10 µV 1 Year (all ranges)0.35 + 0.030.06 + 0.030.12 + 0.050.6 + 0.08 4.0 + 0.5 100.0000 V 100 µV 750.000 V1.0 µV(Temp. Coeff.)/°C 30.035 + 0.0030.005 + 0.0030.006 + 0.0050.01 + 0.0060.03 + 0.01Current 23 Hz–10 Hz 10 Hz–3 kHz 3 kHz–5 kHz 1.000000 A1.0 µA 90 Day/1 Year 0.30 + 0.040.10 + 0.040.14 + 0.043.00000 A 1410 µA0.35 + 0.060.16 + 0.060.18 + 0.06(Temp. Coeff.)/°C 30.035 + 0.0060.015 + 0.006Frequency 4 and Period(3 Hz–500 kHz) (333 ms–2 µs)100 mV to 750 V 0.333 ppm90 Day/1 Year100 ppm + 0.333 ppm (SLOW, 1s gate) 3.33 ppm100 ppm + 3.33 ppm (MED, 100ms gate) 33.3 ppm100 ppm + 33.3 ppm (FAST, 10ms gate)1.888.KEITHLEY (U.S. only)D I G I T A L M U L T I ME T E R S & S Y S T E M S A G R E A T E R M E A S U R E OF C O N F I D E N C EADDITIONAL UNCERTAINTY ±(% of reading)Low Frequency Uncertainty Med Fast 20 Hz – 30 Hz 0.3—CREST FACTOR: 51–2 2–3 3–4 4–5 Additional Uncertainty: 0.05 0.15 0.30 0.40 Max. Fundamental Freq.: 50kHz 50kHz 3kHz 1kHz Maximum Crest Factor: 5 at full-scale.AC MEASUREMENT CHARACTERISTICSAC VOLTSMEASUREMENT METHOD: AC-coupled, True RMS.INPUT IMPEDANCE: 1M Ω ±2% // by <100pF.INPUT PROTECTION: 1000Vp or 400VDC. 300Vrms with plug in modules.AC CURRENTMEASUREMENT METHOD: AC-coupled, True RMS.SHUNT RESISTANCE: 0.1Ω.BURDEN VOLTAGE: 1A <0.5Vrms, 3A <1.5Vrms. Add 1.5Vrms when used with plug in modules.INPUT PROTECTION: 3A, 250V fuse.FREQUENCY AND PERIODMEASUREMENT METHOD: Reciprocal counting technique.GATE TIME: SLOW 1s, MED 100ms, and FAST 10ms.AC GENERALAC CMRR 6: 70dB.VOLT HERTZ PRODUCT: ≤8 × 107.AC MEASUREMENT SPEEDS 7, 13Single Channel, 60Hz (50Hz) OperationFunction Digits Readings/s Rate Bandwidth 6.5 2s/Reading SLOW 3 Hz–300 kHz Multiple Channel7710 SCANNING ACV 10, 11: 500/s.7710 SCANNING ACV WITH AUTO DELAY ON :2s/reading.AC SYSTEM SPEEDS 7, 9, 112700/27502701AC System Speed:(19.2K)(115.2K)AC NOTES1. 20% overrange except on 750V and 3A.2. Specification are for SLOW mode and sine wave inputs >5% of range. SLOW and MED are multi-sample A/D conversions. FAST is DETector:BANDwidth 300 with nPLC = 1.0.3. Applies to 0°–18°C and 28°–50°C.4. For square wave inputs >10% of ACV range, except 100mV range. 100mV range frequency must be >10Hz if input is <20mV.5. Applies to non-sine waves >5Hz.6. For 1k Ω unbalance in LO lead.7. Speeds are for 60Hz (50Hz) operation using factory defaults operating conditions (*RST). Autorange off, Display off, Limits off, Trigger delay=0.8. For ACV inputs at frequencies of 50 or 60Hz (±10%), add the following to “% of Range” uncertainty: 100mV 0.25%, 1V 0.05%, 10V 0.13%, 100V 0.03%, 750V 0.015 (Model 2701 only). 9. Auto Zero off.10. Sample count = 1024.11. DETector:BANDwidth 300 with nPLC = 0.006 (2701 only).12. Maximum useful limit with trigger delay = 175ms.13. Includes measurement and binary data transfer out GPIB or ASCII data transfer for Ethernet and RS-232 (Reading Element only).GENERALEXPANSION SLOTS: 2 (2700, 2701), 5 (2750).POWER SUPPLY: 100V / 120V / 220V / 240V ±10%.LINE FREQUENCY: 45Hz to 66Hz and 360Hz to 440Hz, automatically sensed at power-up.POWER CONSUMPTION: 28VA (2700), 80VA (2701, 2750).OPERATING ENVIRONMENT: Specified for 0°C to 50°C. Specified to 80% RH at 35°C.STORAGE ENVIRONMENT: –40°C to 70°C.BATTERY: Lithium battery-backed memory, 3 years @ 23°C (Models 2700, 2750) Lithium Ion battery-backed memory, 30 days of buffer storage @ 23°C and >4 hours charge time. Battery lifetime: >3 years @ 23°C, >1.5 years @ 50°C (Model 2701) EMC: Conforms to European Union Directive 89/336/EEC EN61326-1.SAFETY: Conforms to European Union Directive 73/23/EEC EN61010-1, CAT I.VIBRATION: MIL-PRF-28800F Class 3, Random.WARM-UP: 2 hours to rated accuracy.DIMENSIONS:Rack Mounting: 89mm high × 213mm wide (2700, 2701) or 485mm wide (2750) × 370mm deep (3.5 in × 8.375 in or 19 in × 14.563 in).Bench Configuration (with handle and feet): 104mm high × 238mm wide (2700, 2701) or 485mm wide (2750) × 370mm deep (4.125 in × 9.375 in (2700, 2701) or 19 in (2750) × 14.563 in).SHIPPING WEIGHT: 6.5kg (14 lbs.) (2700, 2701) or 13kg (28 lbs.) (2750).DIGITAL I/O: 2 inputs, 1 for triggering and 1 for hardware interlock.5 outputs, 4 for Reading Limits and 1 for Master Limit. Outputs are TTL compatible or can sink 250mA, diode clamped to 40V.TRIGGERING AND MEMORY:Window Filter Sensitivity: 0.01%, 0.1%, 1%, 10%, or Full-scale of range (none).Reading Hold Sensitivity: 0.01%, 0.1%, 1%, or 10% of reading.Trigger Delay: 0 to 99 hrs (1ms step size).External Trigger Delay: <2ms (2700), <1ms (2701, 2750).External Trigger Jitter: <1ms (2700), <500µs (2701), <500µs (2750).Memory Size: 55,000 readings (2700), 450,000 readings (2701), 110,000 readings (2750).MATH FUNCTIONS: Rel, Min/Max/Average/Std Dev/Peak-to-Peak (of stored reading), Limit Test, %, 1/x, and mX+b with user defined units displayed.REMOTE INTERFACE:GPIB (IEEE-488.2) (2700, 2750), RS-232C (2700, 2701, and 2750).Ethernet TCP/IP (10bT and 100bT) (2701)SCPI (Standard Commands for Programmable Instruments)LabVIEW Drivers FOR MODEL 2701:Ethernet: RJ-45 connector, TCP/IP, 10bT and 100bTx autosensed.IP Configuration: Static or DHCP.Password Protection: 11 Characters.Software: Windows 98, NT, 2000, ME, and XP compatible. Internet Explorer 5.0 or higher required. Web page server by 2701.I n t e g r a S e r i e s c o n d e n s e d s p e c i f i c a t i o n s1.888.KEITHLEY (U.S. only)A G R E A T E R M E A S U R E O F C O N F I D E N C ESwitch/Control Module CapabilitiesAll plug-in modules are compatible with the two-slot Model 2700 and Model 2701 Multimeter/Data Acquisition Systems and the five-slot Model 2750 Multimeter/Switch System. When the application’s needs change, sim-ply change modules. Integra systems reconfigure themselves automatically.M odule Capabilities Overview 7700 7701 7702 7703 7705 7706 7707 7708 7709 7710 7711 7712DC Volts ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓DC Current ✓ ✓TemperatureT/C w/Automatic CJC ✓ ✓ ✓ ✓ T/C w/External CJC ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ RTD ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ Thermistor ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓Resistance (2- or 4-wire) ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓Continuity ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓AC Volts ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓AC Current ✓ ✓Frequency ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓Event Counter/Totalizer ✓Signal Routing/Control ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓Digital Input ✓。
奔驰供应商评审中英文文件
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A – Management/管理
Comments: 注解： The Management (e. g. Board of Management, Plant Management, Section Management) develops the quality policy for the company, defines it and commits all areas and levels to it. This allows specific quality goals and also a quality system (Q system) to be agreed upon. Quality must be regarded as an overall management task. The management must concern itself with the following subjects: 提交并详细说明所有范围、级别的公司经营（例如：管理部门、工厂管理、项目管理）发展的质量方针。允许 已经同意的特殊目标和质量体系。质量必须当作一项全面的经营任务。经营必须涉及它自身具有的如下题目： Business Plan* 商业计划 Comparison of internal & external performance data 国内外性能资料对照 Business results 商业成果 Employee satisfaction 员工满意 Customer satisfaction 客户满意 “Management” describes the organizational entity in the company that is responsible for profit and loss. 管理层描述在公司内负责利润和消耗的组织实体。 Remark: * = Business plan means: local plant performance targets 注，商业计划意味着：当地的工厂执行目标 Checklist Overview:评审清单总览 1 Have goals been defined and are they consistently being followed? 是否制定目标，并且始终遵循？ 1a Does the supplier have process to update their business Plan? 供应商是否有更新商业计划的流程？ 1b Are objectives developed from the business plan? 所有目标是否都源于商业计划？ 2 Is there a process for management review? 是否有管理评审流程？ 2a Are objectives defined and controlled on all levels? 是否界定和控制所有等级的目标？ 2b Does the supplier perform regularly scheduled quality audits internally?
商业模式及营销方案英文
In today's highly competitive market, establishing a solid business model and an effective marketing strategy is crucial for the success of any business. This essay aims to provide an overview of a business model and marketing strategy, focusing on a fictional company named "Tech Innovators."I. Business ModelTech Innovators is a company that specializes in developing and selling cutting-edge technology products. The company's business model revolves around the following key components:1. Value Proposition: Tech Innovators offers innovative and high-quality technology products that cater to the needs of tech-savvy consumers. The company's value proposition lies in its commitment to continuous innovation and customer satisfaction.2. Customer Segments: The company targets two main customer segments: tech enthusiasts and businesses. Tech enthusiasts are individuals who are passionate about technology and seek the latest gadgets. Businesses, on the other hand, require advanced technology solutions for their operations.3. Channels: Tech Innovators employs various channels to reach itstarget customers. These include online sales through its official website, social media platforms, and partnerships with e-commerce websites. Additionally, the company sells its products through physical retail stores and authorized resellers.4. Customer Relationships: Tech Innovators focuses on building long-term relationships with its customers. The company achieves this by providing exceptional customer service, offering personalized support, and engaging with customers through social media and email marketing.5. Revenue Streams: The company generates revenue through the sale ofits technology products. This includes both direct sales to end-users and bulk orders from businesses. Tech Innovators also earns revenue through the sale of accessories, spare parts, and after-sales services.6. Key Resources: The company's key resources include its talented team of engineers and designers, state-of-the-art manufacturing facilities, and a robust supply chain. Additionally, Tech Innovators invests heavily in research and development to stay ahead of the competition.7. Key Activities: To maintain its competitive edge, Tech Innovators continuously invests in research and development, product design, and marketing. The company also focuses on sales and distribution, customer support, and building strategic partnerships with suppliers and retailers.8. Key Partnerships: Tech Innovators collaborates with various partners, including suppliers, manufacturers, and retailers. These partnerships help the company ensure a steady supply of products and expand its market reach.II. Marketing StrategyTo promote its products and attract customers, Tech Innovators employs the following marketing strategies:1. Product Strategy: The company invests in research and development to create innovative products that meet the evolving needs of its target customers. Tech Innovators also focuses on product differentiation to stand out from competitors.2. Pricing Strategy: The company adopts a competitive pricing strategy, ensuring that its products are priced reasonably compared to similar products in the market. This helps attract price-sensitive customers while maintaining profitability.3. Promotion Strategy: Tech Innovators utilizes various promotional channels, including online and offline advertising, social media marketing, influencer partnerships, and public relations. The company also participates in trade shows and tech events to showcase its latest products.4. Distribution Strategy: The company ensures that its products are readily available to customers through multiple channels, includingonline sales, physical retail stores, and authorized resellers. This helps cater to the diverse preferences of customers.5. Customer Relationship Management: Tech Innovators focuses on building long-term relationships with its customers by providing exceptional customer service, offering loyalty programs, and engaging with customers through social media and email marketing.In conclusion, a well-defined business model and an effective marketing strategy are essential for the success of any business. Tech Innovators' business model and marketing strategy provide a roadmap for the company to achieve its goals and stay competitive in the technology market. By focusing on innovation, customer satisfaction, and strategic partnerships, Tech Innovators is well-positioned to achieve long-term growth and success.。
华为S2700系列企业交换机产品介绍说明书
DataSheetIntroductionThe S2700 utilizes cutting-edge switching technologies and Huawei Versatile Routing Platform (VRP) software to meet the demand for multi-service provisioning and access on Ethernet networks. It is easy to install and maintain. With its flexiblenetwork deployment, comprehensive security and quality of service (QoS) policies, and energy-saving technologies, the S2700 helps enterprise customers build next-generation IT networks.The S2700 is a box device that is 1 U (44.45 mm or 1.75 in.) high. It is available in a standard version (SI) or an enhanced version (EI).Product OverviewModels and AppearancesAppearanceDescriptionS2700-9TP-SI-ACS2700-9TP-EI-ACS2700-9TP-EI-DC● 8 Ethernet 10/100 ports, 1 dual-purpose 10/100/1000 or SFP●AC and DC power supply for the EI version; AC power supply for the SI version ● Forwarding performance: 2.7 Mpps ●Switching Capacity: 32GbpsS2700-9TP-PWR-EI● 8 Ethernet 10/100 ports, 1 dual-purpose 10/100/1000 or SFP ● AC power supply ●PoE+● Forwarding performance: 2.7 Mpps ● Switching Capacity: 32GbpsS2700-18TP-SI-AC● 16 Ethernet 10/100 ports, 2 dual-purpose 10/100/1000 or SFP ●AC power supply● Forwarding performance: 5.4 Mpps ●Switching Capacity: 32GbpsS2700-18TP-EI-ACS2700-26TP-SI-ACS2700-26TP-EI-AC● 24 Ethernet 10/100 ports, 2 dual-purpose 10/100/1000 or SFP●AC power supply for the EI version; AC power supply for the SI version ● Forwarding performance: 6.6 Mpps ●Switching Capacity: 32GbpsS2700-26TP-PWR-EI● 24 Ethernet 10/100 ports, 2 dual-purpose 10/100/1000 or SFP ● AC power supply ●PoE+● Forwarding performance: 6.6 Mpps ● Switching Capacity: 32GbpsS2710-52P-SI-AC●48 Ethernet 10/100 ports, 4 Gig SFP ● AC power supply● Forwarding performance: 13.2 Mpps ● Switching Capacity: 32GbpsS2700-52P-EI-AC● 48 Ethernet 10/100 ports, 4 Gig SFP ●AC and DC power supply● Forwarding performance: 13.2 Mpps ● Switching Capacity: 32GbpsS2700-52P-PWR-EI● 48 Ethernet 10/100 ports, 4 Gig SFP ●AC power supply ● PoE+● Forwarding performance: 13.2 Mpps ● Switching Capacity: 32GbpsS2750-20TP-PWR-EI-AC● 16 Ethernet 10/100 ports, 2 Gig SFP and 2 dual-purpose 10/100/1000 or SFP ●AC power supply ● PoE+● Forwarding performance: 8.4 Mpps ● Switching Capacity: 64GbpsS2750-28TP-EI-AC●24 Ethernet 10/100 ports, 2 Gig SFP and 2 dual-purpose 10/100/1000 or SFP ● AC power supply● Forwarding performance: 9.6 Mpps ● Switching Capacity: 64GbpsS2750-28TP-PWR-EI-AC● 24 Ethernet 10/100 ports, 2 Gig SFP and 2 dual-purpose 10/100/1000 or SFP ●AC power supply ● PoE+● Forwarding performance: 9.6 Mpps ● Switching Capacity: 64GbpsS2720-28TP-EI-AC●24 Ethernet 10/100 ports,2 Gig SFP and 2 dual-purpose ● 10/100/1000 or SFP ● AC power supply● Forwarding performance: 9.6 Mpps ●Switching Capacity: 12.8GbpsFan TrayS2700 uses a new generation of high integrated chip and energy-saving circuit design, balanced heat, low power consumption, no fan of mute design.Power SupplyS2700 non-PoE model do not support pluggable power supplies.PoE/PoE+PWR in the model name indicates a PoE-capable switch, which supports IEEE 802.3af-compliant PoE and 802.3at-compliant PoE+. Each port delivers 15.4 W PoE or 30 W PoE+ power capacity.PoE power is divided into two types: 500W and 250W power supplies.S2700-9TP-PWR-EI Built-in single powersupply - 124 W PoE (15.4W): 8PoE+ (30W): 4S2700-26TP-PWR-EI W0PSA2500 - 123.2 W PoE (15.4W): 8PoE+ (30W): 4W0PSA5000 - 369.6W PoE (15.4W): 24PoE+ (30W): 12W0PSA2500 W0PSA2500 246.4W PoE (15.4W): 16PoE+ (30W): 8W0PSA5000 W0PSA5000 739.2W PoE (15.4W): 24PoE+ (30W): 24 S2700-52P-PWR-EI W0PSA2500 - 123.2 W PoE (15.4W): 8PoE+ (30W): 4W0PSA5000 - 369.6W PoE (15.4W): 24PoE+ (30W): 12W0PSA2500 W0PSA2500 246.4W PoE (15.4W): 16PoE+ (30W): 8W0PSA5000 W0PSA5000 739.2W PoE (15.4W): 48PoE+ (30W): 24S2750-20TP-PWR-EI-AC Built-in single powersupply - 370W PoE (15.4W): 16PoE+ (30W): 12S2750-28TP-PWR-EI-AC Built-in single powersupply - 370W PoE (15.4W): 24PoE+ (30W): 12When a switch has two power supplies installed, the two power supplies work in redundancy mode to provide power for the switch itself and in load balancing mode to provide power for powered devices (PDs).Product Features and HighlightsEasy Operation●The S2700 supports Huawei Easy Operation function. Thanks to this function, the S2700 implements easy installation, configuration, monitoring, and troubleshooting, greatly reduces initial installation and configuration costs, improves upgrade efficiency and lowers engineering costs. It provides a Web network management system (NMS) with a user-friendly graphical user interface (GUI) to implement alarm management and visual configuration, facilitating operation and maintenance. In addition, it supports faulty device replacement without configuration.●The S2700 offers a new application-specific integrated circuit (ASIC) switching technique and a fan-free design. This design reduces mechanical faults and protects the device against damages caused by condensed water and dust. Flexible service control●The S2700-EI supports various ACLs. ACL rules can be applied to VLANs to flexibly control ports and schedule VLAN resources.●The S2700 supports port-based VLAN assignment, MAC address-based VLAN assignment, protocol-based VLAN assignment, and network segment-based VLAN assignment. These secure and flexible VLAN assignment modes are used in networks where users move frequently.●The S2700 supports GARP VLAN Registration Protocol (GVRP), which dynamically distributes, registers, and propagates VLAN attributes to ensure correct VLAN configuration and reduce network administrator workloads. In addition, the S2700 supports SSH v2, HWTACACS, RMON, and port-based traffic statistics. The network quality analyzing (NQA) function assists users with network planning and upgrades.Excellent security features●The S2700 supports DHCP snooping, which generates user binding entries based on users' access interfaces, MAC addresses, IP addresses, IP address leases, VLAN IDs. The DHCP snooping function protects enterprises from common attacks such as bogus IP packet attacks, man-in-the-middle attacks, and bogus DHCP server attacks.●The S2700 can limit the number of MAC addresses that can be learned on an interface to prevent attackers from exhausting MAC address entries by using bogus source MAC addresses. This function minimizes packet flooding, which occurs when users' MAC addresses cannot be found in the MAC address table. The S2700 can also limit the number of ARP entries to prevent ARP spoofing attacks. In addition, it provides an IP source check function to prevent malicious users from using spoofed IP addresses to initiate DoS attacks.●The S2700 supports centralized MAC address authentication and 802.1x authentication. It authenticates users based on statically or dynamically bound user information such as IP address, MAC address, VLAN ID, access interface. VLANs, QoS policies, and ACLs can be dynamically applied to users.PoE function●The S2700 PWR series support improved Power over Ethernet (PoE) solutions and you can determine whether a PoE port provides power and the time a PoE port provides power. The S2700 PWR can use PoE power supplies with different power levels to provide the PoE function. Powered devices (PDs) such as IP Phones, WLAN APs, and Bluetooth APs can be connected to the S2700 PWR through network cables. The S2700 PWR provides -48V DC power for the PDs.●In its role as power sourcing equipment (PSE), the S2700 PWR complies with IEEE 802.3af and 802.3at (PoE+), and can work with PDs that are incompatible with 802.3af or 802.3at (PoE+). Each port provides a maximum of 30 W of power, complying with IEEE 802.3at. The PoE+ function increases the maximum power available on each port and implements intelligent power management for high-power consumption applications. This process facilitates the ease of PD use. PoE ports are still able to work while in power-saving mode.High scalability●The S2700 uses Intelligent Stack (iStack) to virtualize multiple switches into a single logical device to ease user management and configuration and expand the system switching capacity. iStack improves switching capacity, reliability, and scalability. Additionally, after the stack is established, all the member switches in a stack use the same IP address. You can use a single IP address to manage and maintain the switches uniformly. This greatly reduces system operation and maintenance (O&M) costs.●The iStack stacking architecture is designed for rapid failover capability with n-1 master redundancy, distributed Layer 2 and Layer 3 switching, link aggregation across the stack, and within 200 millisecond failover for path failure and hitlessmaster/backup failover.●Besides traditional STP, RSTP, and MSTP, the S2700 supports enhanced Ethernet technologies such as Smart Link and RRPP, implements millisecond-level protection switchover for links, and ensures the network quality.●The S2700 supports Smart Ethernet Protection (SEP) protocol, a ring network protocol applied to the link layer of an Ethernet network. SEP provides millisecond-level service switchovers and ensures nonstop forwarding of services. In addition, SEP features simplicity, high reliability, high switchover performance, convenient maintenance, and flexible topology and enables users to manage and plan networks conveniently.●The S2700 supports G.8032 Ethernet Ring Protection Switching (ERPS). The ERPS is based on traditional Ethernet MAC and bridging functions. It uses the mature Ethernet OAM and Ring Automatic Protection Switching (Ring APS or R-APS) technologies to implement millisecond-level protection switching on Ethernet. ERPS supports various services and flexible networking and lowers operating expense (OPEX) and capital expenditure (CAPEX) of users.Comprehensive QoS policies●The S2700 supports complex traffic classification based on packets' TCP/UDP port numbers, VLAN IDs, source MAC/IP addresses, destination MAC/IP addresses, IP protocols, or priorities. By limiting the traffic rate based on traffic classification results, the S2700 implements line-speed forwarding on each port to ensure high-quality voice, video, and data services. Each port supports a maximum of eight queues and multiple queue scheduling algorithms, such as WRR, SP, and WRR+SP. Powerful surge protection capability●The S2700 uses the Huawei patented surge protection technique that supports 7 kV surge protection capability on service ports. This effectively protects switches against over lightning induced overvoltage. The Huawei patented surge protection technique greatly reduces the possibility of equipment being damaged by lightning, even in extreme situations or in scenarios where grounding is not feasible.Quiet operation, energy conservation, and low radiationThe S2700 uses an energy-saving integrated circuit design to ensure even heat dissipation. Idle ports can enter a sleep mode to further reduce power consumption. The S2700 generates no sound because it does not contain any fans. Radiation produced by the S2700 is within the standard range for electric appliances and causes no harm to the human body. Product SpecificationsDownlink ports S2700-9TP-SI**/S2700-9TP-EI/S2700-9TP-PWR-EI: 8 10/100Base-TX Ethernet portsS2700-18TP-SI/S2700-18TP-EI/S2750-20TP-PWR-EI-AC: 16 10/100Base-TX Ethernet portsS2700-26TP-SI/S2700-26TP-EI/S2700-26TP-PWR-EI/S2750-28TP-EI-AC/S2750-28TP-PWR-EI-AC: 2410/100Base-TX Ethernet portsS2710-52P-SI/S2700-52P-EI: 48 10/100Base-TX Ethernet portsUplink ports S2700-9TP-SI/S2700-9TP-EI/S2700-9TP-PWR-EI: 1 dual-purpose 10/100/1000 or SFPS2700-18TP-EI/S2700-18TP-SI/S2700-26TP-EI/S2700-26TP-EI/S2700-26TP-PWR-EI/S2700-26TP-SI:2 dual-purpose 10/100/1000 or SFPS2710-52P-SI/S2700-52P-EI: 4 gigabit SFPS2750-20TP-PWR-EI/S2750-28TP-EI-AC/S2750-28TP-PWR-EI: 2 Gig SFP and 2 dual-purpose10/100/1000 or SFPMAC address 8K MAC address entriesManual deletion of dynamicMAC address entriesAging time of MAC addressconfigurableBlackhole MAC addressentries 8K MAC address entriesManual deletion of dynamic MACaddress entriesAging time of MAC addressconfigurableBlackhole MAC address entriesMAC address learning controlwhich based on ports16K MAC address entriesManual deletion of dynamic MACaddress entriesAging time of MAC addressconfigurableMAC address learning controlwhich based on portsBlackhole MAC address entriesVLAN feature 4K active VLANs, complyingwith IEEE 802.1QPort-based VLAN assignment 4K active VLANs, complying with IEEE 802.1Q Port-based VLAN assignmentVLANIF interface number: 8N/A MAC address-based assignmentPort-based QinQQoS Outbound-Port-based ratelimiting and flow-based ratelimiting4 or 8 queues of differentpriorities on each portMapping between 802.1ppriorities and queuesSP, WRR, and SP+WRRalgorithms Port-based rate limiting and flow-based rate limiting4 or 8 queues of different prioritieson each portMapping between 802.1p prioritiesand queuesSP, WRR, and SP+WRRalgorithmsPort-based rate limiting and flow-based rate limiting8 queues of different priorities oneach portMapping between 802.1ppriorities and queuesSP, WRR, and SP+WRRalgorithmsN/A packet-based priority remark andpacket redirectionIPv4 routing Static routingRIP v1/v2（S2750-EI）IPv6 feature IPv6 protocol IPv6 protocolStatic IPv6 routes Static IPv6 routesSupports MLD v1/v2 snooping.Multicast IGMP v1/v2/v3 snoopingPort-based rate limiting formulticast packets MVLANControllable multicastIGMP v1/v2/v3 snoopingPort-based rate limiting for multicast packetsReliability S2700-SI: STP (IEEE802.1d), RSTP (IEEE802.1w)S2710-SI: STP (IEEE802.1d), RSTP (IEEE802.1w), MSTP (IEEE802.1s) STP (IEEE 802.1d), RSTP (IEEE802.1w), MSTP (IEEE 802.1s),and RRPP topology and RRPPmulti-instanceSTP (IEEE 802.1d), RSTP (IEEE802.1w), MSTP (IEEE 802.1s),and RRPP topology and RRPPmulti-instanceSEP and ERPS (G.8032)Smart Link tree topology andSmart Link multi-instance,implementing millisecond-levelprotective switchoverTraffic sampling N/A sFlowSecurity & access features S2700-SI: Storm suppressionS2710-SI: Stormsuppression , IP SourceGuard802.1x authentication and limit on the number of users on an interfaceStorm suppressionIP Source GuardS2700-SI: Multipleauthentication methodsincluding AAA, RADIUS, andTACACS+Port isolationSuppression of multicast,broadcast, and unknownunicast packetsCPU defenseS2710-SI: Multipleauthentication methodsincluding AAA, RADIUS, andTACACS+Port isolationSuppression of multicast,broadcast, and unknownunicast packetsCPU defenseDHCP snoopingMultiple authentication methods including AAA authentication, RADIUSauthentication, and TACACS+ authentication802.1x authentication, MAC address authentication, MAC bypassauthenticationDHCP snoopingPort isolation and sticky MACPacket filtering based on MAC addressesSuppression of multicast, broadcast, and unknown unicast packetsLimit on the number of learned MAC addressesCPU defenseS2750-EI: DHCP relaySurge protection Surge protection capability of service ports: 7kV Surge protection capability ofservice ports: 7 kVManagement Stack (S2710-52P-SI-AC, S2700-52P-EI-AC, S2700-52P-PWR-EI) Auto-ConfigCLI-based configurationRemote configuration using TelnetSNMP V1/V2C/V3Remote network monitoring StackEasy OperationCLI-based configuration Remote configuration using TelnetSNMP V1/V2C/V3SSHv2Web-based device managementRemote network monitoringSSHv2Web-based device management Interoperability N/A Supports VBST (Compatible withPVST/PVST+/RPVST)Supports LNP (Similar to DTP)Supports VCMP (Similar to VTP) OperatingenvironmentLong-term operating temperature: –5°C to + 50°CRelative humidity: 10% to 90% (non-condensing)Power AC:●Rated voltage range: 100 V to 240 V AC, 50/60 Hz●Maximum voltage: 90 to 264 V AC, 50/60 HzDC:●Rated voltage range: –48 V to –60 V DC●Maximum voltage range: –36 V to –72 V, DCNOTEPoE models do not use DC power supplies.Dimensions (W xD x H)●S2700-9TP-EI/SI: 250×180×43.6●S2700-9TP-PWR-EI: 320×220×43.6●S2700-18TP-EI/SI/S2700-26TP-EI/SI/S2750-28TP-EI-AC/S2720-28TP-EI-AC: 442×220×43.6●S2700-26TP-PWR-EI: 442×420×43.6●S2710-52P-SI/S2700-52P-EI: 442×220×43.6●S2750-20TP-PWR-EI-AC/S2750-28TP-PWR-EI-AC: 442×310×43.6Weight ●S2700-9TP-SI<1.4 kg●S2700-18TP-SI<2.4 kg●S2700-26TP-SI<2.4 kg●S2710-52P-SI<3 kg●S2700-9TP-EI<1.4 kg●S2700-9TP-PWR-EI<2.5 kg●S2700-18TP-EI<2.4 kg●S2700-26TP-EI<2.4 kg●S2700-52P-EI<3 kg●S2700-26TP-PWR-EI<4 kg(without power supply)●S2750-20TP-PWR-EI<4.5kg●S2750-28TP-EI<3 kg●S2750-28TP-PWR-EI<4.5kgPowerconsumption●S2700-9TP-SI<12.8 W●S2700-18TP-SI<14.5 W●S2700-26TP-SI<15.5 W●S2710-52P-SI<38 W●S2700-9TP-EI<12.8 W●S2700-9TP-PWR-EI<154 W(PoE: 124 W)●S2700-18TP-EI<14.5 W●S2700-26TP-EI<15.5 W●S2700-52P-EI<38 W●S2700-26TP-PWR-EI<808W(PoE: 740 W)●S2750-20TP-PWR-EI<435W(PoE: 370W)●S2750-28TP-EI<15.7 W●S2750-28TP-PWR-EI<445W(PoE: 370W)*: The S2700 is provided in the standard version (SI) and enhanced version (EI). The S2700 switches of the EI series are collectively called S2700-EI, and the S2700 switches of the SI series are collectively called S2700-SI. S2710-SI is a sub-series switch of S2700-SI. S2750-EI is the sub-series switches of S2700-EI.**: S2700-9TP-SI is short for S2700-9TP-SI-AC. As product versions are irrelevant to the power supply mode, the product names mentioned in product specifications do not contain AC or DC. This rule also applies to other product models.Hardware SpecificationsThe following table lists the S2700 hardware specifications.Memory (RAM) S2700: 64 MB (S2700-52P-EI/S2710: 128 MB); S2720/S2750: 256 MB Flash memory S2700/S2710: 16 MB; S2720/S2750: 200 MBMean Time Between Failures (MTBF), years ●S2700-9TP-SI-AC: 44.1●S2700-18TP-SI-AC: 39.2●S2700-26TP-SI-AC: 37.3●S2710-52P-SI-AC: 26.8●S2700-9TP-EI-AC: 44.1●S2700-9TP-EI-DC: 44.1●S2700-9TP-PWR-EI: 35.5●S2700-18TP-EI-AC: 39.2●S2700-26TP-EI-AC: 37.3●S2700-26TP-PWR-EI: 34.8●S2700-52P-EI-AC: 26.8●S2700-52P-PWR-EI: 35.4●S2720-EI: 44.3●S2750-28TP-EI-AC: 44.3●S2750-20TP-PWR-EI-AC: 78.68 ●S2750-28TP-PWR-EI-AC: 78.29Mean Time To Repair (MTTR), hours 2Availability > 0.99999Stack port ●Not supported by S2700-SI●S2710-SI: 2 1000Base-X optical ports●S2700-EI: 2 1000Base-X optical ports in S2700-52P-EI-AC or S2700-52P-PWR-EI●S2720-EI: 2 1000Base-X optical multiplexing uplink for stack●S2750-EI: 2 1000Base-X optical multiplexing uplink for stackRPS Not supported by S2700PoE Supported by PWR seriesDC input voltage Rated voltage range ●Not supported by S2700-SI/S2710-SI/S2720-EI/S2750-EI●S2700-EI: -48V DC to -60V DCMaximum voltagerange●Not supported by S2700-SI/S2710-SI/S2720-EI/S2750-EI●S2700-EI: -36V DC to -72V DCAC input voltage Rated voltage range 100V AC to 240V AC; 50/60 Hz Maximum voltagerange90V AC to 264V AC; 47 Hz to 63 HzTemperature Operatingtemperature ●S2700-SI: -5°C to +50°CNOTEThe working temperature is -5°C to +45 °C when SFP optical module matching80km and above the distance.●S2710-52P-SI-AC: -5°C to +50°C●S2700-EI: -5°C to +50°C,NOTES2700-52P-PWR-EI: 0°C to +50°C.In addition to the S2700-26TP-PWR-EI, S2700-52P-EI-AC and S2700-52P-PWR-EI, the working temperature is -5 °C to +45 °C when SFP optical modulematching 80km and above the distance.●S2720-EI: -5°C to +50°C (0 m-1800 m altitude)NOTEWhen the altitude is between 1800 m and 5000 m, the operating temperaturereduces by 1°C every time the altitude increases by 220 m.The working temperature is -5°C to +45 °C when SFP optical module matching80km and above the distance.●S2750-EI: -5°C to +50°C (0 m-1800 m altitude)NOTEWhen the altitude is between 1800 m and 5000 m, the operating temperaturereduces by 1°C every time the altitude increases by 220 m.●S2750-28TP-EI-AC: The working temperature is -5°C to +45 °C when SFPoptical module matching 80km and above the distance.Storage temperature -40°C to +70°CNoise under normal temperature (sound power) ●S2750-20TP-PWR-EI-AC: <52dBA ●S2750-28TP-PWR-EI-AC: <52dBA ●others: No fan, muteOperating altitude ●S2700-SI/S2710-SI/S2720-EI: 0 m to 5000 m●S2700-9TP-EI-AC: 0m to 5000m●S2700-9TP-EI-DC: 0m to 2000m●S2700-9TP-PWR-EI: 0m to 2000m●S2700-18TP-EI-AC: 0m to 5000m●S2700-26TP-EI-AC: 0m to 5000m●S2700-26TP-PWR-EI: 0m to 5000m●S2700-52P-EI-AC: 0m to 2000m●S2700-52P-PWR-EI: 0m to 5000m●S2750-28TP-EI-AC: 0m to 5000m●S2750-20TP-PWR-EI-AC: 0m to 5000m●S2750-28TP-PWR-EI-AC: 0m to 5000mNetworking and Applications100 Mbit/s Access Rate for TerminalsThe S2700 can function as a desktop access device that provides an access rate of 100 Mbit/s for terminals and 1000 Mbit/s uplink interfaces to communicate with uplink devices.Ordering InformationProduct Description1 S2700-9TP-EI-AC Mainframe (8 Ethernet 10/100 ports, 1 dual-purpose 10/100/1000 or SFP, AC 110/220V)2 S2700-9TP-EI-DC Mainframe (8 Ethernet 10/100 ports, 1 dual-purpose 10/100/1000 or SFP, DC -48V)3 S2700-9TP-SI-AC Mainframe (8 Ethernet 10/100 ports, 1 dual-purpose 10/100/1000 or SFP, AC 110/220V)4 S2700-18TP-EI-AC Mainframe (16 Ethernet 10/100 ports, 2 dual-purpose 10/100/1000 or SFP, AC 110/220V)5 S2700-18TP-SI-AC Mainframe (16 Ethernet 10/100 ports, 2 dual-purpose 10/100/1000 or SFP, AC 110/220V)6 S2700-26TP-EI-AC Mainframe (24 Ethernet 10/100 ports, 2 dual-purpose 10/100/1000 or SFP, AC 110/220V)7 S2700-26TP-SI-AC Mainframe (24 Ethernet 10/100 ports, 2 dual-purpose 10/100/1000 or SFP, AC 110/220V)8 S2700-52P-EI-AC Mainframe (48 Ethernet 10/100 ports, 4 Gig SFP, AC 110/220V)9 S2710-52P-SI-AC Mainframe (48 Ethernet 10/100 ports, 4 Gig SFP, AC 110/220V)10 S2700-9TP-PWR-EI Mainframe (8 Ethernet 10/100 ports, PoE+, 1 dual-purpose 10/100/1000 or SFP, AC 110/220V)11 S2700-26TP-PWR-EI Mainframe (24 Ethernet 10/100 ports, 2 dual-purpose 10/100/1000 or SFP, PoE+, withoutpower module)S2700 Series Enterprise Switches 12S2700-52P-PWR-EI Mainframe (48 Ethernet 10/100 ports, 4 Gig SFP, PoE+, Dual Slots of Power, Including Single 500W AC Power) 13S2750-20TP-PWR-EI-AC Mainframe (16 Ethernet 10/100 ports, 2 Gig SFP and 2 dual-purpose 10/100/1000 or SFP,PoE+, AC 110/220V) 14S2750-28TP-EI-AC Mainframe (24 Ethernet 10/100 ports, 2 Gig SFP and 2 dual-purpose 10/100/1000 or SFP, AC 110/220V) 15S2750-28TP-PWR-EI-AC Mainframe (24 Ethernet 10/100 ports, 2 Gig SFP and 2 dual-purpose 10/100/1000 or SFP, PoE+, AC 110/220V) 16S2720-28TP-EI-AC Mainframe (24 Ethernet 10/100 ports, 2 Gig SFP and 2 dual-purpose 10/100/1000 or SFP, AC 110/220V) 17 500W PoE power supply unitMore InformationFor more information about Huawei Campus Switches, visit or contact us in the following ways: ●Global service hotline: /en/service-hotline ●Logging in to the Huawei Enterprise technical support website: /enterprise/ ●Sending an email to the customer service mailbox: ********************Copyright © Huawei Technologies Co., Ltd. 2018. All rights reserved.No part of this document may be reproduced or transmitted in any form or by any means without prior writtenconsent of Huawei Technologies Co., Ltd.Trademarks and Permissionsand other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.All other trademarks and trade names mentioned in this document are the property of their respective holders.NoticeThe purchased products, services and features are stipulated by the contract made between Huawei and thecustomer. All or part of the products, services and features described in this document may not be within thepurchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, andrecommendations in this document are provided "AS IS" without warranties, guarantees or representations ofany kind, either express or implied.The information in this document is subject to change without notice. Every effort has been made in thepreparation of this document to ensure accuracy of the contents, but all statements, information, andrecommendations in this document do not constitute a warranty of any kind, express or implied. Huawei Technologies Co., Ltd. Address:Huawei Industrial Base Bantian, Longgang Shenzhen 518129 People's Republic of China Website:。
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摩托罗拉 MVME2700 数据表说明书
M V M E2700o PowerPC 750™ 32-bit microprocessoro32KB/32KB L1 cacheo1MB backside L2 cacheo16MB to 256MB ECC DRAM usingRAM200 memory expansion moduleso8MB on-board Flash, 1MB socketedo64-bit PCI mezzanine connectoro On-board debug monitor with self-testdiagnosticso IEEE P1386.1 compatible 32/64-bit PMCexpansion sloto 2 or 3 async, 1 or 2 sync/async serialportso Ethernet transceiver interface with 32–bitPCI local bus DMAo8- or 16-bit Fast SCSI-2 bus interfaceo Parallel, floppy, keyboard and mouseinterfaceso8KB x 8 NVRAM and time-of-day clockwith replaceable battery backupo Four 32-bit timers, one watchdog timero One VME slot, even when configured withPMC moduleScalable high-performance VME computing with the flexibility of PMCexpansionThe MVME2700 Series is a family of VME processor modules based on theMotorola PowerPlus VME architecture with PowerPC® microprocessors thatpush performance and functionality to limits unprecedented on VME. Theflexibility of the MVME2700 provides an excellent base platform that can bequickly and easily customized for a variety of industry-specific applications.Designed to meet the needs of military and aerospace, industrial automation,and medical, MVME2700 applies to a variety of applications. DRAM expan-sion mezzanines enable memory upgrades to the maximum 256MB of ECCDRAM without requiring additional VME slots.Firmware MonitorFirmware must fulfill the traditional functions of test and initial-ization, in addition to operating system boot support. The MVME2700 firmware monitor exceeds these requirements with a proven monitor from the embedded VME leader. It expands features like power-up tests with extensive diagnos-tics, as well as a powerful evaluation and debug tool for sim-ple checkout or when high-level development debuggers require additional support. All this is included with the MVME2700 firmware, plus it supports booting both operating systems and kernels.ProcessorMemoryPCI Expansion Connector VMEbus ANSI/VITA 1-1994 VME64 (IEEE STD 1014) Ethernet InterfaceSCSI InterfaceAsynchronous Serial PortsSynchronous Serial PortsMicroprocessor:MPC750MPC750MPC750Clock Frequency:233 MHz266 MHz366 MHz On-chip Cache (I/D):32K/32K32K/32K32K/32K Memory Type:60ns FPM50ns EDO60ns FPM50ns EDO SPECint95, estimated:10.210.516.4 (peak) SPECfp95, estimated:8.28.49.98 (peak)MAIN MEMORY:Dynamic RAMCapacity (60ns FPM):16, 32, or 64MB on RAM200Capacity (50ns EDO):128 or 256MB on RAM200Single Cycle Accesses:9 Read/4 WriteRead Burst Mode (60nsFPM):9-1-2-1 idle; 3-1-2-1 aligned page hitRead Burst Mode (50nsEDO):8-1-1-1 idle; 2-1-1-1 aligned page hit Write Burst Mode:4-1-1-1 idle; 3-1-1-1 aligned page hit Architecture:128-bit, two-way interleavedParity/ECC:No/YesL2 CACHE:1MBCache Bus ClockFrequency:Processor clock divided by 2FLASH:On-board programmableCapacity:1MB via two 32-pin PLCC/CLCC sockets;4 or 8MB surface mountRead Access (8MBport):68 clocks (32 byte burst)Read Access (1MBport):260 clocks (8 byte burst)Write Access (1MB/8MB):19 clocks (2 bytes/8 bytes)NVRAM:8KB (4KB available for users)Cell Storage Life:50 years at 55° CCell Capacity Life:10 years at 100% duty cycleRemovable Battery:YesAddress/Data:A32/D32/D64PCI Bus Clock:33 MHzSignaling:5VConnector:114-pin connector located on the planarof the MVME2700 between P1 and P2Controller:Tundra UniverseDTB Master:A16–A32; D08–D64, BLTDTB Slave:A24–A32; D08–D64, BLT, UATArbiter:RR/PRIInterrupt Handler/Generator:IRQ 1–7/Any one of seven IRQs System Controller:Yes, jumperable or auto detectLocation Monitor:Two, LMA32MVME761MVME712M Controller DEC 21140DEC 21140 Interface Speed:10/100Mb/s AUI (10Mb/s) PCI Local bus DMA:Yes, with PCI burst Yes, with PCI burst Connector:Routed to P2, RJ-45 on MVME761Routed to P2, DB-15 AUI onMVME712MMVME761MVME712M Controller:Symbios 53C825A Symbios 53C825A PCI Local Bus DMA:Yes, with PCI localbus burstYes, with PCI localbus burst Asynchronous: 5.0MB/s 5.0MB/sSynchronous:10.0MB/s (8-bitmode), 20.0MB/s(16-bit mode)10.0MB/s (8-bitmode), 20.0MB/s(16-bit mode) Connector:Routed to P2,50- or 68-pin onMVME761EXTRouted to P2, SCSID-50 onMVME712MMVME761MVME712M Controller PC87308PC87308 Number of Ports:Two, 16550 com-patibleTwo 16550 com-patible and one85230/8536 Configuration:EIA-574 DTE EIA-232 DCE/DTE Async Baud Rate, bpsmax.:38.4K EIA-232,115Kbps raw38.4K EIA-232,115Kbps raw Connector:Routed to P2, DB-9on MVME761Routed to P2, DB-25 on MVME712MMVME761MVME712M Controller85230/853685230/8536 Number of Ports:Two One Configuration:TTL to P2 (bothports), SIM onMVME761EIA-232 DCE/DTEBaud Rate, bps max.: 2.5M sync, 38.4Kasync2.5M sync, 38.4Kasync Oscillator Clock Rate(PCLK):10 MHz/5 MHz10 MHz/5 MHzConnector:Routed to P2, HD-26 on MVME761Routed to P2, DB-25 on MVME712MParallel PortCounters/TimersFloppyMouse InterfaceKeyboard InterfaceIEEE P1386.1 PCI Mezzanine Card SlotBoard SizeMiscellaneousReset and abort switches on front panel; six LEDs for FAIL, CHKSTP, CPU, PCI, SCON, and FUSE I/O ConnectorsBoard SizePower Requirements Demonstrated MTBF EnvironmentalMVME761MVME712M Controller PC87308PC87308Configuration:8-bit bidirectional,full IEEE 1284 sup-port; Centronicscompatible 8-bit bidirectional, IEEE 1284 minus EPP and ECPModes:Master only Master onlyConnector:Routed to P2, HD-36 on MVME761Routed to P2, D-36 on MVME712MTOD Clock Device:M48T18; 8KB NVRAMReal-Time Timers/Counters:Four, 32-bit programmableWatchdog Timer:Time-out generates resetController:PC87308Compatible Controllers:DP8473, 765A, N82077Configuration: 3.5" 2.88MB and 1.44MB; 5.25" 1.2MB Connector:HD-50 on front panelController:PC87308Connector:6-pin circular female mini DIN on frontpanelController:PC87308Connector:6-pin circular female mini DIN on frontpanelAddress/Data:A32/D32/D64, PMC PN1, PN2, PN3,PN4 connectorsPCI Bus Clock:33 MHzSignaling:5VPower:+3.3V, +5V, ±12V; 7.5 watts maximumper PMC slotModule Types:Basic, single-wide, front panel I/O or P2I/O (Note: P2 I/O is only accessible tosystems equipped for VME64 extensionconnectors.)Height:233.4 mm (9.2 in.)Depth:160.0 mm (6.3 in.)Front Panel Height:261.8 mm (10.3 in.)Width:19.8 mm (0.8 in.)Max. ComponentHeight:14.8 mm (0.58 in.)MVME761MVME712MAsynchronousSerial Ports:Two, DB-9 labeled asCOM1 and COM2Three, DB-25 labeledas Serial 1, Serial 2,and Serial 3SynchronousSerial Ports:Two HD-26 labeled asSerial 3 and Serial 4(user configurable viainstallation of SIMs),Two 60-pin connectorson MVME761 planarfor installation of twoSIMsOne, DB-25 labeled asSerial 4Parallel Port:HD-36, CentronicscompatibleD-36, Centronics com-patibleEthernet:10BaseT or100BaseTX RJ-4510Mb/s Ethernet DB-15 AUISCSI:8- or 16-bit, 50- or 68-pin connector via P2adapter8-bit, standard SCSI D-50Height:233.4 mm (9.2 in.)Depth:80.0 mm (3.1 in.)Front Panel Height:261.8 mm (10.3 in.)Width:19.8 mm (0.8 in.)(not including power required by PMC or external AUI transceiver)+5V ± 5%+12V ± 10%MVME2700: 5.5 A typ.6.5 A max.8 mA typ.MVME2700 w/MVME761:5.5 A typ.6.5 A max.250 mA typ.500 mA max.–12V power is not used on the MVME2700 but is supplied for useby other devices (such as PMC); requirements vary by device(based on a sample of eight boards in accelerated stress environ-ment)Mean:190,509 hours95% Confidence:107,681 hoursOperating NonoperatingTemperature:0° C to +55° C, forcedair cooling–40° C to +85° CAltitude:5,000 m15,000 mHumidity (NC):10% to 80%10% to 90%Vibration: 2 Gs RMS,20–2000 Hz random6 Gs RMS,20–2000 Hz randomTransition ModulesAll ModulesElectromagnetic Compatibility (EMC)Intended for use in systems meeting the following regulations:This product was tested in a representative system to the following standards:SafetyAll printed wiring boards (PWBs) are manufactured with a flammabil-ity rating of 94V-0 by UL recognized manufacturers.U.S.:FCC Part 15, Subpart B, Class A (non-residential)Canada:ICES-003, Class A (non-residential)CE Mark per European EMC Directive 89/336/EEC with Amend-ments; Emissions: EN55022 Class B; Immunity: EN50082-1Part Number DescriptionMVME2700 with MVME761 I/OAll models of the MVME2700 include 1MB backside L2 cacheMVME2700-1221A to MVME2700-1251A 233 MHz MPC750, 16MB–128MB ECC DRAM, 9MB Flash, IEEE 1101 compatible front panel with injector/ejector handles MVME2700-3221A to MVME2700-3251A 233 MHz MPC750, 16MB–128MB ECC DRAM, 9MB Flash, original VME Scanbe front panel and handlesMVME2700-1321 to MVME2700-1361266 MHz MPC750, 16MB–256MB ECC DRAM, 5MB Flash, IEEE 1101 compatible front panel with injector/ejector handles MVME2700-3321 to MVME2700-3361266 MHz MPC750, 16MB–256MB ECC DRAM, 5MB Flash, original VME Scanbe front panel and handlesMVME2700-1421 to MVME2700-1461366 MHz MPC750, 16MB–256MB ECC DRAM, 9MB Flash, IEEE 1101 compatible front panel with injector/ejector handles MVME2700-3421 to MVME2700-3461366 MHz MPC750, 16MB–256MB ECC DRAM, 9MB Flash, original VME Scanbe front panel and handlesMVME2700 with MVME712 I/OMVME2700-4221A to MVME2700-4251A 233 MHz MPC750, 16MB–128MB ECC DRAM, 9MB Flash, original VME Scanbe front panel and handlesMVME2700-4321 to MVME2700-4361266 MHz MPC750, 16MB–256MB ECC DRAM, 5MB Flash, original VME Scanbe front panel and handlesMVME2700-4421 to MVME2700-4461366 MHz MPC750, 16MB–256MB ECC DRAM, 9MB Flash, original VME Scanbe front panel and handlesMVME761 Transition ModuleMVME761-001Transition module: Two DB-9 async serial port connectors, two HD-26 sync/async serial port connectors, one HD-36 parallel port connector, one RJ-45 10/100 Ethernet connector; includes 3-row DIN P2 adapter module and cableMVME761-011Transition module: Two DB-9 async serial port connectors, two HD-26 sync/async serial port connectors, one HD-36 parallel port connector, one RJ-45 10/100 Ethernet connector; includes 5-row DIN P2 adapter module and cable; requires backplane with 5-row DIN connectorsMVME761P2-0115-row DIN P2 adapter compatible with MVME761; connectors for 16-bit (wide) SCSI and PMC I/O; requires backplane with 5-row DIN connectorsMVME761EXT MVME761 I/O extension module, connec-tors for Ethernet, SCSI and PMC I/O SIM232DCE or DTE EIA-232 DCE or DTE Serial Interface Mod-uleSIM530DCE or DTE EIA-530 DCE or DTE Serial Interface Mod-uleSIMV35DCE or DTE V.35 DCE or DTE ModuleSIMX21DCE or DTEX.21 DCE or DTE Serial Interface Module MVME712 Transition ModuleMVME712MTransition module connectors: One DB-25 sync/async serial port, three DB-25 async serial port, one AIU connector for Ethernet, one D-36 parallel port, and one 50-pin 8-bit SCSI; includes 3-row DIN P2 adapter mod-ule and cableRelated ProductsPMCSPAN-001Primary 32-bit PCI expansion, mates directly to the MVME2700 providing slots for either two single-wide or one double-wide PMC card, accepts optional PMCS-PAN-010, IEEE 1101 compatible front panel with injector/ejector handlesPMCSPAN1-001PMCSPAN-001 with original VME Scanbe front panel and handlesPMCSPAN-010Secondary 32-bit PCI expansion, plugs directly into PMCSPAN-001 providing two additional PMC slotsPMCSPAN1-010PMCSPAN-010 with original VME Scanbe front panel and handlesMPMC xxx Motorola’s family of PMC modules; ask your sales representative for detailsRAM200-043A 32MB ECC DRAM mezzanine, 8MB Flash, non–stackableRAM200-044A 64MB ECC DRAM mezzanine, 8MB Flash, non–stackableRAM200-045A 128MB ECC DRAM mezzanine, 8MB Flash, non–stackableRAM200-046A 256MB ECC DRAM mezzanine, 8MB Flash, non–stackableRAM200-047A512MB ECC DRAM mezzanine, 8MB Flash, non-stackable+31 4993 61250Notes on Ordering Information1.Major revision levels are indicated by alpha character at end of part number.2.Board support package source and object modules available upon request.3.Documentation is available for on-line viewing and ordering at /computer/literature .DocumentationV2700A/IH MVME2700 Installation and UseV2600A/PG MVME2600/2700 Programmer’s Reference Guide VME761A/IH MVME761 Transition Module Installation and Use VME712A/IHMVME712 Transition Module Installation and Use PPCBUGA1/UM and PPCBUGA2/UMPPCBug Firmware Package User’s Manual PPCDIAA/UMPPCBug Diagnostics Manual。
Bosch DSA E-Series 8TB (E2700) 商品说明书
uScale-up network storage solution: controller unit with 12 internal HDDs expandable via state-of-the-art SAS interface-connected expansion units uConfigurable hardware-based RAID protection(RAID‑5 or RAID‑6) for highest system performance uRedundant hot-swappable power supplies and cooling fansuTwo 10 Gigabit Ethernet ports for highest speed iSCSI connectivityuFully modular design for ease of service andprotected by NetApp services, including a 3 years next business day on-site supportDSA E2700 represents the next generation ofDSA E‑Series, the iSCSI-based digital video disk arrays by Bosch. They are state-of-the-art platforms designed for the security industries most demanding digital video storage applications to manage relentlesslygrowing digital video data. Since HD and recently UHD (4K) IP cameras and encoders have entered the surveillance market, the ever growing need for high bandwidth and low complexity of the storage infrastructure are the main challenges. The next generation DSA E2700 is the answer to it.System overviewDSA E2700 is based on one 2U controller unit with 12internal 3.5”, 7.2 K, NL-SAS (Serial Attached SCSI),enterprise HDDs (Nearline SAS).The controller unit is available as a standard Simplex Controller configuration and as a Dual SimplexController configuration for high-capacity and extreme performance requirements.This storage system is a high-performance solution designed with robust flexibility that makes it a great fit for wide-ranging video surveillance requirements. Its balanced performance is designed for supporting high bandwidth and I/O intensive workloads.The DSA E2700 disk shelf option with a standard 12-bay expansion unit with 12 x 3.5”, 7.2 K, NL-SAS,enterprise HDD (2U) and a high-density 60-bay expansion unit with 60 x 3.5”, 7.2 K, NL-SAS,enterprise HDD (4U) enable custom configurations that can be optimized for any standard mid- to enterprise-environments.And the DSA E2700 fully redundant I/O paths,advanced protection features, and extensive diagnostic capabilities deliver high levels of availability, integrity, and security.FunctionsDSA E2700 is the co-branded E2700 series fromNetApp. It is a scale-up network storage solution that provides security, highest “in-the-box” scalability,peace-of-mind data protection, and simplifiedmanagement of all your video data. NetApp pioneeredthe iSCSI protocol years ago and offers with the new E2700 product line a high-end product for the video surveillance market.DSA E2700 in Simplex/Dual Simplex Controller configuration allows connecting up to seven 12-bay expansion units (12 x HDDs per expansion shelf) to one single/dual controller base unit.Note: This is only valid for 12-bay expansion units with two ESM modules.The Dual Simplex Controller configuration allows up to three 60-bay expansion units (60 x HDDs per expansion shelf) connected to one dual controller base unit. Connecting the 60-bay expansion unit to a single controller unit is not supported.It is a fully featured RAID protected disk array which provides RAID‑5 protection for capacity-oriented environments and RAID‑6 protection for availability-oriented environments. The RAID protection is based on a hardware RAID implementation for highest system performance. RAID‑6 is highly recommended if the system will be used with a larger number of disk shelf expansion units.High reliability and availabilityDSA E2700 keeps your data safe and available with redundant hot-swappable power supplies and fans, and protection from double-disk failure and single bit errors during RAID rebuilds with high performance RAID‑6.With over 20 years of storage development experience, DSA E2700 is based on a field-proven design architected to provide high reliability and availability. Its redundant components, automated path failover, and online administration keep organizations productive 24 x 7 x 365.Further high-availability features include:•Automatic drive failover and detection and rebuild ifusing global hot spare drives•Data cache with battery backup and de-stage to flash •SANtricity proactive drive health monitoring identifies problem drives before they create issues MonitoringFull SNMP support with MIB‑II and NetApp custom MIBs supported. In case of component failures SNMP, e-mail alert notifications will be generated. Additionally, an event monitor for sending alert notifications to a central major event log is available. If DSA E2700 is connected to the Internet/Intranet automatically generated AutoSupport messages can be sent. AutoSupport enhances customer service, speeds problem resolution, and helps prevent issues. It automatically sends alerts based on either event-based or time-based (weekly, daily, other) criteria to provide faster and better customer service, keeping your systems up and running longer.ManagementNetApp SANtricity storage management software combines robustness and ease of use. Full-time storage administrators appreciate the extensive configuration flexibility which allows optimal performance tuning and complete control over data placement. Part-time system administrators love the intuitive interface and wizards designed to simplify their tasks. With its dynamic capabilities, SANtricity software supports on-the-fly expansion, reconfiguration, and maintenance without interrupting storage system I/O. The software is available as 32‑bit and 64‑bit Microsoft OS installation package (available on the Bosch product catalogue).Installation/configuration notesInstallable on 32-bit and 64-bit Windows Clients, SANtricity storage management software provides easy central management of all DSA E‑Series arrays available within one network. There is no additional software necessary to be installed on peripheral devices. In addition, the system provides a powerful Command Line Interface (CLI) which is fully remote accessible by SSH (Secure Shell).DSA E‑Series offers per controller a serial console connector and two dedicated Ethernet management ports for management access and 2 x 10 Gigabit Ethernet iSCSI host ports. Each port must be configured with a separate IP address; the two iSCSI host ports are separated access paths to the storage system and represent an individual iSCSI target each. The net capacity available is shown in the followingtable:network (in a 1 Gbit/s network the available network bandwidth is the limiting factor):Network Uplink 10 GbE (RAID-5 / RAID-6)not depend on the number of used ports. The numberof cameras will double by using two ports instead ofone port.NoticeNumber of IP cameras refers to default software configuration (no direct replay mode). Bandwidth data refers to <Recording> / <Replay>.The maximum overall bandwidth of a Dual Simplex Controller system is 2500 Mbps read/write throughput in a 10 GbE uplink network.NoticeDSA E2700 units are only supported by Bosch Firmware 5.60 and later, VRM 3.0 and later, and Configuration Manager 5.32 and later.If total net capacity of the system exceeds 500 TB,Video Recording Manager and Bosch Firmware with large LUN support is required (min. VRM 3.60and Firmware 6.30).NoticeThe next business day on-site service level can only be provided if the respective system has been registered immediately after receipt and installation. Otherwise, service will be provided based on best effort basis.Information about registration details is available in every shipment (registration form) or from the Bosch online product catalog.Next business day services cannot be provided in every country everywhere. For limitations and exceptions see the registration details in the registration form.Dimensions controller unit and 12-bay expansion unitDimensions 60-bay expansion unitFront view controller unit1End Caps (the Left End Cap has the Controller-Drive Tray Summary LEDs)2Drive CanistersRear view Dual Simplex Controller unit1Controller Canister 2Power-Fan CanisterFront view 12-bay expansion unit1End Caps (the Left End Cap has the Drive Tray LEDs)3Right End Cap 2DrivesRear view 12-bay expansion unit1ESM A Canister 3Power-Fan A Canister 2ESM B CanisterFront view 60-bay expansion unit1Drive Drawer 14Drive Drawer 42Drive Drawer 25Drive Drawer 53Drive Drawer 3Rear view 60-bay expansion unit1Fan Canisters 3ESM Canisters 2Power CanistersSimplex Controller 12 x 8 TB (DSA‑N2E7X8‑12AT) /Dual Simplex Controller 12 x 8 TB (DSA‑N2C7X8‑12AT)Electrical requirementsPower ratings (typical operating power)Note: for detailed information please see the latest NetApp E‑SeriesStorage Systems Site Preparation Guide Battery data System hardware specificationsMechanicalDimensions (H x W x D)WeightSpace requirements Environmental TemperatureRelative humidity (non-condensing)Acoustic noise12-bay expansion unit 12 x 8 TB (DSX‑N1D6X8‑12AT)Electrical requirements—expansion unitPower ratings—expansion unitNote: for detailed information please see the latest NetApp E‑Series Storage Systems Site Preparation Guide System hardware specifications—expansion unit Mechanical—expansion unit Dimensions (H x W x D)WeightSpace requirementsEnvironmental—expansion unit TemperatureRelative humidity (non-condensing)Acoustic noise60-bay expansion unit 60 x 8 TB (DSX‑N6D6X8‑60AT)Electrical requirements—expansion unitNote: cables included with the 60-bay expansion systems are designed to be used with 220 - 240 VAC power distribution units Power ratings—expansion unitNote: for detailed information please see the latest NetApp E‑Series Storage Systems Site Preparation Guide System hardware specifications—expansion unitMechanical—expansion unit Dimensions (H x W x D)WeightSpace requirementsEnvironmental—expansion unit TemperatureRelative humidity (non-condensing)Acoustic noiseNotes:General technical information for the RAID systems are provided in the NetApp E‑Series Storage Systems Site Preparation Guide (available at https:///ecm/ecm_download_file/ECMP12366559)NetApp, AutoSupport, and SANtricity are registered trademarks of NetApp, all rights reserved. All data and dimensions are referenced from the NetApp Site Preparation Guide and from the NetApp Website and are subject to change without notice.Ordering informationDSA-N2E7X8-12AT Base unit 12x8TBHigh-performance and high-capacity storage system base unit with iSCSI disk arrays.12 x 8 TB HDDOrder number DSA-N2E7X8-12ATDSA-N2C7X8-12AT Storage system 12x8TB dual control-lerHigh-performance and high-capacity storage system base unit with iSCSI disk arrays, dual controller.12 x 8 TB HDDOrder number DSA-N2C7X8-12ATDSX-N1D6X8-12AT Expansion unit 12x8TBHigh-performance and high-capacity storage expansion unit with iSCSI disk arrays.12 x 8 TB HDDOrder number DSX-N1D6X8-12ATDSX-N6D6X8-60AT Expansion unit 60x8TBHigh-performance and high-capacity storage expansion unit with iSCSI disk arrays.60 x 8 TB HDDOrder number DSX-N6D6X8-60ATAccessoriesDSA-EDTK-800A Hard disk 8TB for DSA E-seriesHard disk storage expansion with a capacity of 8 TB. Order number DSA-EDTK-800ADSX-WDTK-800A Hard disk 8TB DE6600 for DSA E-ser-iesHard disk storage expansion with a capacity of 8 TB. For 60-bay expansion units.Order number DSX-WDTK-800ADSX-NRCK40-INT DSA E-Series Rack Empty, 40U Empty rack with 40U.Order number DSX-NRCK40-INT ServicesSupportEdge Standard extension, 12-bay 4/6/8 TB12-month extension of SupportEdge Standard next business day for DSA E2700 4 TB, 6 TB, or 8 TB based 12-bay controller or expansion units, available for a 4th and a 4th/5th year as a standard.Order number DSA-S2E7X46-SLESupportEdge Standard extension, 60-bay 4/6/8 TB12-month extension of SupportEdge Standard next business day for DSA E2700 4 TB, 6 TB, or 8 TB based 60-bay expansion units, available for a 4th and a 4th/5th year as a standard.Order number DSA-S6D6X46-SLEParts replacement, 12-bay 4/6/8 TB12-month service uplift to SupportEdge Standard: parts replacement within 4 hours for DSA E2700 4 TB, 6 TB, or 8 TB based 12-bay controller or expansion units, available for in-warranty systems only.Order number DSA-S2E7X46-4PRParts replacement, 60-bay 4/6/8 TB12-month service uplift to SupportEdge Standard: parts replacement within 4 hours for DSA E2700 4 TB, 6 TB, or 8 TB based 60-bay expansion units, available for in-warranty systems only.Order number DSA-S6D6X46-4PRNon-returnable disk, 12-bay 4/6/8 TB12-month non-returnable disk option for DSA E27004 TB, 6 TB, or 8 TB based 12-bay controller or expansion units, available for in-warranty systems only. Order number DSA-S2E7X46-NRDNon-returnable disk, 60-bay 4/6/8 TB12-month non-returnable disk option for DSA E27004 TB, 6 TB, or 8 TB based 60-bay expansion units, available for in-warranty systems only.Order number DSA-S6D6X46-NRDRepresented by:Europe, Middle East, Africa:Germany:North America:Asia-Pacific:Bosch Security Systems B.V.P.O. Box 800025600 JB Eindhoven, The Netherlands Phone: + 31 40 2577 284****************************** Bosch Sicherheitssysteme GmbHRobert-Bosch-Ring 585630 GrasbrunnGermanyBosch Security Systems, Inc.130 Perinton ParkwayFairport, New York, 14450, USAPhone: +1 800 289 0096Fax: +1 585 223 9180*******************.comRobert Bosch (SEA) Pte Ltd, Security Systems11 Bishan Street 21Singapore 573943Phone: +65 6571 2808Fax: +65 6571 2699*****************************© Bosch Security Systems 2017 | Data subject to change without notice 24616659979 | en, V2, 17. Aug 2017。
市场分析报告英语范文大全
市场分析报告英语范文大全Due to recent market fluctuations and changes in consumer behavior, it is essential for businesses to conduct thorough market analysis in order to make informed decisions and stay competitive. This report aims to provide an overview of the current market trends and analyze the potential opportunities and challenges that businesses may face.1. Market Overview:The market has witnessed steady growth over the past year, with an increase in consumer spending and a rise in disposable income. This is mainly attributed to the improving economic conditions and favorable government policies. In addition, the growing middle-class population has contributed to the expansion of the market.2. Consumer Behavior:Consumers have become increasingly price-conscious and value-oriented. They are looking for products and services that offer high quality at a reasonable price. They are also more inclined to makepurchases online, with e-commerce platforms gaining popularity.3. Competitor Analysis:The market is highly competitive, with a large number of established players and new entrants. Key competitors are constantly innovating and offering unique value propositions to attract customers. It is crucial for businesses to differentiate themselves and continuously improve their products or services.4. Opportunities:a. E-commerce: As mentioned earlier, the online marketplace is growing rapidly. Businesses can take advantage of this trend by developing user-friendly websites, offering secure payment options, and providing efficient delivery services.b. Personalization: Consumers now expect a personalized experience when interacting with brands. Tailoring products or services to individual needs and preferences can create a competitive advantage.c. Sustainability: With increasing awareness of environmental issues, there is a growing demand for sustainable products and services. Businesses can tap into this market by adopting eco-friendly practices and promoting their commitment to sustainability.5. Challenges:a. Economic Uncertainty: Despite positive economic conditions, there are potential risks such as inflation or a slowdown in economic growth. Businesses need to be prepared for such fluctuations and have contingency plans in place.b. Technological Advancements: Rapid technological advancements, such as artificial intelligence and automation, pose both opportunities and challenges. Businesses need to stay updated with the latest technologies to remain competitive.c. Changing Regulations: The regulatory environment is constantly evolving, with new rules and legislations being introduced. Businesses must ensure that they comply with all relevant regulations to avoid penalties or reputational damage.In conclusion, conducting a comprehensive market analysis is vital for businesses to adapt to changing market conditions and stay ahead of the competition. By understanding consumer behavior, analyzing competitors, and identifying potential opportunities and challenges, businesses can develop effective strategies to achieve long-term success.。
MC2700技术文档
MC2700 Technical Specification ZTE CORPORATIONAbout the Document:Version Status Date Author Approved By RemarksdraftV1.0 2009-4 InitialCopyright Notice:Copyright © 2006 ZTE Corporation Shenzhen P. R. ChinaAll rights reserved. No part of this documentation may be excerpted, reproduced, translated, annotated or duplicated, in any form or by any means without the prior written permission of ZTE Corporation.IITable of ContentsIntroduction (2)1 Product2 Acronyms (3)3 Appearance and Structure (4)Description (5)4 Pin5 Functions (6)functions (6)5.1 V oice5.2 Query and setting functions (6)functions (6)5.3 SMSfunctions (7)5.4 Datafunctions (7)5.5 OtherSpecification (8)6 Technicalprotocolsand technical indices (8)6.1 Communicationreceiving (8)6.2 RFTransmitting (9)6.3 RFcondition (9)6.4 Workreference (10)7 Standards1 P RODUCT I NTRODUCTIONMC2700 CDMA 1X EV-DO Rev.A wireless module is developed and manufactured by ZTE Corporation, supporting laptops and other equipments with Half-Mini PCI Express interfaces. MC2700 supports data, voice and SMS functions.Model Frequency RemarkMC2700 800MHz+1900MHz Support data, voice, SMS services2 A CRONYMSTable 1 AcronymsAcronyms Full DescriptionCorporation ZTE ZTECDMA CodeDivision Multiple AccessR-UIM Removable User Identity ModuleCDG CDMA Development GroupESD Electronic Static DischargeEMC Electro Magnetic CompatibilityEMI Electro Magnetic InterferenceMulti-Frequency DTMF DualTone USB Universal Serial BusHalf-Mini PCI-E Half-Mini PCI Express Card3 A PPEARANCE AND S TRUCTURETable 2Appearance and structure Item MC2700 Remark Appearance Product pictures just FYIDimension 32mm x 30mm x 4.5mmPCI-EInterface Half-MiniOperation System Windows XP/2000/Vista；Linux；Mac.VID 19D2PID FFF14 P IN D ESCRIPTIONPin Pin Name Signal Name38 USB_D+ USB signal +36 USB_D- USB signal -10 UIM_DATA UIM data signal12 UIM_CLK UIM clock signal8 UIM_PWR UIM power signal14 UIM_RESET UIM reset signal20 W_DISABLE_N ON/OFF RF signalResetsignal22 PON_RESET_N42 LED_WWAN_N State indicator signal44 LED_WLAN_N State indicator signal46 LED_WPAN_N State indicator signal2 VCC+3.3V Main power input52 VCC+3.3V Main power input24 AUX+3.3V Aux power input41 VCC+3.3V Main power input6,28,48Reserved Reserved7,11,13,23,25,31,3330,324,9,15,18,21,26,27,29,34,35,40,50GND Ground431617,37,39NC Not connect45,47,49,513,19,5,15 F UNCTIONS5.1 Voice functionsTable 3 Voice FunctionsItem Description RemarkMake a callReceive a callIncoming call displayV oice call redialPhonebookReceived call recordMissed call recordV oiceDialed call recordAdjustable sound volumeIncoming call alertSoundNew SMS alert5.2 Query and setting functionsTable 4 Display functionsItem Description RemarkSignal strength query commandTime and date settingCall ID display5.3 SMS functionsTable 5 SMS functionsItem Description RemarkSend/Receive short messagesShort message group send 50 messagesShort message copy Copy R-UIM to PCShort message deleting Delete short messageShort message storage 1000 messages in PC(Depends on PC memory) Different types of R-UIM card have different storage capacity for short messages.Short message handling Reply, forward, save and back dialingSMS automatically split send >160 ASCII automatically split send5.4 Data functionsTable 6 Data functionsItem Description Remark Data rate CDMA 1X EV-DO Rev.A: up to 3.1MkbpsConnect and disconnect dataSet data parameter Setting the parameter such asbaud rate , frame format, etc.Network recordNetwork rate indicationNetwork flux indicationNetwork flux statistic5.5 Other functionsTable 7 Other functionsItem Description Remark Rx DiversityR-UIM card function Support R-UIM or built-in UIMAT commands Support AT Commands6 T ECHNICAL S PECIFICATION6.1 Communication protocols and technical indices Table 8 Communication protocols and technical indicesItemMC2700 Access modeCDMA2000 1X/EV-DO Rev.A CDMA protocolIS-95A/B, IS-98A, IS2000(CDMA2000 1X), C.S0033(CDMA2000 1xEV-DO Rev. A) Data rateCDMA 1X EV-DO Rev.A: up to 3.1Mkbps(Rough rate) 800MHz: 45MHz Interval between transmittingand receiving frequency1900MHz: 80MHz V oice coding EVRC ，13k QCELP6.2 RF receiving Table 9 RF receiving(CDMA2000 1X EV-DO Rev.A)ItemMC2700 800MHz: 869~894MHzFrequency range 1900MHz: 1930 ~1990MHzRX sensitivity-105.5dBm@FER=0.5% Dynamic Range-25dBm~ -105.5dBm@FER ≤0.5% Signal ToneDesensitization FER ≤1.0%(-102.4dBm/BW,-30dBm@±900KHz)FER ≤1.0%(Test1: -102.4dBm/BW, +900/+1700KHz, -43dBm)Intermodulation Spurious Response AttenuationFER ≤1.0%(Test 2: -102.4dBm/BW ,-900/-1700KHz, -43dBm) <-76dBm/1MHz <-61dBm/1MHzConducted SpuriousEmission <-47dBm/30KHz(other frequency)6.3 RF Transmitting Table 10 RF Transmitting(CDMA2000 1X EV-DO Rev.A)ItemMC2700 800MHz: 824~849MHzFrequency range 1900MHz: 1850 ~ 1910 MHz800MHz: ±300HzMax. frequency deviation 1900MHz: ±150Hz800MHz: 23dBm~30dBm@-105.5dBmMax. power 1900MHz: 18dBm~27dBm@-105.5dBmMin. output power<-50dBm@-25dBm Standby output power<-61dBm Transmit time error±1.0µs Wave form quality factor>0.944 ( Test 1: -25dBm/1.23MHz) -48.3dBm/1.23MHz±9.5dB(Test 2: -65dBm/1.23MHz) -8.3dBm/1.23MHz±9.5dBOpen loop power (Test 3: -93.5dBm/1.23MHz) 20.3dBm /1.23MHz±9.5dB-42dBc/30KHz or -54dBm/1.23MHz(|Δf|: 885KHz~1.98MHz)-54dBc/30KHz or -54dBm/1.23MHz(|Δf|: 1.98MHz~4.00MHz) < -13dBm/1KHz(|∆f| > 4MHz, 9KHz < f < 150KHz,) < -13dBm/10KHz(|∆f| > 4MHz, 150KHz <f < 30MHz)< -13dBm/100KHz(|∆f| > 4MHz, 30MHz < f < 1GHz)Conducted spurious emission< -13dBm/1MHz(|∆f| > 4MHz, 1GHz < f < 5GHz)6.4 Work conditionWorking temperature: -25℃～+60℃Storage temperature: -30℃ ～+85℃Humidity: <95%7 S TANDARDS REFERENCEPCT_Express_Mini_Card_V1.23GPP2 C.S0033-0 v1.0 Recommended Minimum Performance Standards for cmda2000 High Rate Packet Data Access Terminal3GPP2 C.S0024 v3.0 cdma2000 High Rate Packet Data Air Interface Specification3GPP2 C.S0014-0 Enhanced Variable Rate Codec (EVRC)3GPP2 C.S0015-0 Short Message Service3GPP2 C.S0017-0 v5.0 Data Service Options for Spread Spectrum Systems3GPP2 C.S0023-0 v4.0 Removable User Identity Module3GPP2 C.S0001-0 v3.0 Introduction to cdma2000 Spread Spectrum Systems - Release 0 - Version 3.03GPP2 C.S0002-0 v3.0 Physical Layer Standard for cdma2000 Spread Spectrum Systems - Release 0 - Version 3.03GPP2 C.S0003-0 v3.0 Medium Access Control (MAC) Standard for cdma2000 Spread Spectrum Systems - Release 0 - Version 3.03GPP2 C.S0004-0 v3.0 Signaling Link Access Control (LAC) Standard for cdma2000 Spread Spectrum Systems - Release 0 - Version 3.03GPP2 C.S0005-0 v3.0 Upper Layer (Layer 3) Signaling Standard for cdma2000 Spread Spectrum Systems - Release 0 - Version 3.03GPP2 C.S0056-0 Version 1.0 Electro-Acoustic Recommended Minimum Performance Specification for cdma2000 Mobile StationsTIA/EIA-98-E Recommended Minimum Performance Standards for cdma2000 Spread Spectrum Mobile StationsEN 50360–2001: Product standard for the measurement of Specific Absorption Rate related to human exposure to electromagnetic fields from mobile phones.EN 50361–2001: Basic standard for the measurement of Specific Absorption Rate related to human exposure to electromagnetic fields from mobile phones.Part 2 Frequency Allocations and Radio Treaty Matters: General Rules and RegulationsPart 15 Radio Frequency DevicesPart 24 Personal Communications Services。
公司招聘经理助理英语作文
公司招聘经理助理英语作文Position: Managerial Assistant.Company Overview:Our esteemed company, with a rich heritage ofinnovation and excellence, is committed to delivering unparalleled services and products to our diverse clientele. We pride ourselves on our ability to adapt to changing market landscapes and provide solutions that are tailoredto meet the unique needs of our customers. As we continueto expand our operations and diversify our offerings, weare seeking a highly motivated and talented Managerial Assistant to join our team.Position Overview:The Managerial Assistant will play a pivotal role in supporting the daily operations of our management team.This individual will be responsible for managing schedules,coordinating meetings, handling administrative tasks, and providing support in various projects and initiatives. The ideal candidate must possess strong organizational skills, attention to detail, and the ability to handle multiple tasks simultaneously.Key Responsibilities:1. Managing the schedules of management team members, including arranging meetings, travel plans, and appointments.2. Coordinating internal and external meetings, ensuring smooth flow of communication and timely preparation of meeting materials.3. Handling administrative tasks such as document preparation, file management, and maintaining confidentiality of sensitive information.4. Assisting in project management, including tracking project progress, monitoring deadlines, and facilitatingcommunication between team members.5. Responding to emails, phone calls, and inquiriesfrom internal and external stakeholders in a timely and professional manner.6. Preparing reports, presentations, and other documentation as needed for management meetings or reviews.7. Assisting with the preparation of budgets, expense reports, and other financial matters related todepartmental operations.8. Staying updated with company policies and procedures, ensuring adherence to all relevant guidelines.Qualifications:1. Bachelor's degree in Business Administration, Management, or a related field.2. Minimum of 2-3 years of experience in a managerialassistant or administrative role.3. Exceptional organizational skills with the ability to prioritize and manage multiple tasks effectively.4. Strong attention to detail, with the ability to proofread and edit documents for accuracy and clarity.5. Proficiency in Microsoft Office Suite, including Word, Excel, PowerPoint, and Outlook.6. Excellent communication skills, both verbally and in writing, with the ability to convey information clearly and concisely.7. Ability to work independently with minimal supervision, as well as collaborate effectively with team members.8. Ability to handle confidential information with discretion and professionalism.9. Flexibility to work in a fast-paced environment, handle pressure well, and adapt to changing priorities.Desired Characteristics:1. A proactive approach to work, with the ability to anticipate needs and take initiative.2. A positive and solution-oriented attitude, remaining calm and professional even in challenging situations.3. Ability to work well under tight deadlines without compromising quality.4. Willingness to learn new skills and adapt to changing technologies.5. Ability to maintain a professional demeanor at all times, representing the company effectively both internally and externally.We offer a competitive salary and comprehensivebenefits package, including health insurance, paid time off, and opportunities for professional development and advancement. If you are a self-motivated, detail-oriented individual with a passion for providing exceptional support, we encourage you to apply for this exciting opportunity.To apply, please submit your resume and a brief cover letter explaining why you are interested in this position and how your skills and experience align with our requirements. We look forward to hearing from you and welcoming you to our team!。
跨境电商英文介绍范文
跨境电商英文介绍范文Cross-Border E-Commerce: A Comprehensive Overview.Introduction.Cross-border e-commerce, the exchange of goods and services across national borders via electronic platforms, has emerged as a transformative force in global commerce. Driven by advancements in technology and the rise of interconnected global marketplaces, cross-border e-commerce has unlocked unprecedented opportunities for businesses and consumers alike. This article delves into the complexities of cross-border e-commerce, examining its key components, challenges, and the strategies that facilitate its seamless operation.Components of Cross-Border E-Commerce.Marketplaces and Platforms: Global e-commerce marketplaces such as Amazon, Alibaba, and eBay connectbuyers from around the world with sellers in different countries. These platforms provide a secure and convenient platform for cross-border transactions.Payment Gateways: International payment gateways enable seamless and secure payments across borders. They facilitate currency exchange, fraud prevention, and compliance with local regulations.Shipping and Logistics: Cross-border shipping involves complex processes, including customs clearance, documentation, and tracking. Dedicated logistics providers specialize in managing these complexities, ensuring timely and efficient delivery.Fulfillment: Fulfillment services include order processing, warehousing, and packaging. In cross-border e-commerce, fulfillment centers may be located in multiple countries to optimize shipping times and reduce costs.Challenges in Cross-Border E-Commerce.Customs and Tariffs: Customs regulations and import tariffs vary across countries, potentially adding to the cost and complexity of cross-border transactions.Language and Cultural Barriers: Language and cultural differences can create barriers to communication and understanding between sellers and buyers.Currency Fluctuations: Exchange rate fluctuations can impact the profitability of cross-border transactions and make it difficult to price products competitively.Legal and Regulatory Compliance: Businesses must comply with various laws and regulations governing cross-border e-commerce, including data protection and consumer protection.Strategies for Successful Cross-Border E-Commerce.Market Research and Localization: Conducting thorough market research and localizing products and services to meet specific cultural preferences is crucial.Payment Strategy Optimization: Businesses should partner with payment gateways that offer competitive exchange rates and support multiple currencies.Effective Logistics Management: Establishing strategic partnerships with reputable shipping and logistics providers ensures reliable and cost-effective delivery.Multi-Channel Marketing: Utilizing a combination of marketing channels, including social media, search engine optimization (SEO), and email marketing, helps reach a global audience.Exceptional Customer Service: Providing prompt and responsive customer support in multiple languages is essential for building trust and loyalty amonginternational customers.Benefits of Cross-Border E-Commerce.Increased Sales and Market Reach: Cross-border e-commerce expands businesses' reach beyond their domestic markets, exposing them to a vast pool of potential customers.Improved Product Assortment: Consumers benefit from a wider variety of products and brands from around the world, accessible at competitive prices.Innovation and Job Creation: Cross-border e-commerce fosters innovation in logistics, payment systems, and marketing strategies, leading to job creation and economic growth.Cultural Exchange and Understanding: By connecting businesses and consumers across borders, cross-border e-commerce facilitates cultural exchange and promotes mutual understanding.Conclusion.Cross-border e-commerce has revolutionized global commerce, creating a dynamic and interconnected marketplace.By understanding its components, navigating its challenges, and implementing effective strategies, businesses can harness the opportunities presented by cross-border e-commerce. As the world continues to embrace digital technologies, cross-border e-commerce is poised to play an increasingly vital role in shaping the global economy and fostering intercultural connections.。
大学生创新创业训练计划项目省级结题英语
大学生创新创业训练计划项目省级结题英语全文共3篇示例，供读者参考篇1Title: Provincial Completion Report of College Students' Innovation and Entrepreneurship Training ProgramIntroduction:The College Students' Innovation and Entrepreneurship Training Program is a crucial initiative that aims to cultivate students' entrepreneurial spirit, innovative thinking, and practical skills. This program provides students with valuable opportunities to engage in real-world projects, develop their creativity, and gain hands-on experience in starting their own businesses.Objective:The main objective of the program is to equip college students with the necessary knowledge and skills to become successful entrepreneurs. By participating in various training sessions, workshops, and projects, students are able to enhance their entrepreneurial mindset, learn about the principles of business management, and develop their own business ideas.Activities and Achievements:Throughout the program, students have engaged in a wide range of activities, including business plan competitions, innovation workshops, mentorship programs, and internship opportunities. These activities have helped students to refine their business ideas, build their professional networks, and gain practical experience in the field of entrepreneurship.One of the key achievements of the program is the successful completion of several innovative projects by participating students. These projects have ranged frome-commerce platforms and mobile applications to social enterprises and sustainable business models. By working on these projects, students have demonstrated their ability to think creatively, collaborate effectively, and solve complex business challenges.Conclusion:In conclusion, the College Students' Innovation and Entrepreneurship Training Program has been a valuable platform for fostering the entrepreneurial spirit and creativity of college students. By providing students with the necessary support, resources, and opportunities, this program has helped to inspirea new generation of entrepreneurs who are ready to make a positive impact on society.篇2Title: Provincial Completion Report of University Student Innovation and Entrepreneurship Training ProgramIntroductionThe University Student Innovation and Entrepreneurship Training Program is designed to cultivate students' innovative thinking, entrepreneurial spirit, and practical skills through a series of training activities. This program aims to bridge the gap between theoretical knowledge and practical application, equipping students with the necessary tools to succeed in the competitive market.Project OverviewThe Provincial Completion Report of the University Student Innovation and Entrepreneurship Training Program showcases the achievements and outcomes of the program at the provincial level. The program has successfully engaged students from various disciplines, providing them with hands-on experience in entrepreneurship, project management, marketing, and finance. Through workshops, seminars, competitions, and mentorshipopportunities, students have gained valuable insights and skills that will benefit them in their future careers.Key AchievementsOne of the key achievements of the program is the successful implementation of various entrepreneurial projects by participating students. These projects cover a wide range of industries, including technology, healthcare, agriculture, and tourism. The projects have not only provided students with practical experience but have also contributed to the local economy and community development.Another major achievement is the establishment of a network of mentors and industry partners who have supported the program and its participants. These mentors have provided valuable guidance, resources, and opportunities for students to further develop their ideas and projects. Additionally, the program has facilitated collaborations between students and industry partners, leading to potential internship and job opportunities for participants.Impact AssessmentThe overall impact of the University Student Innovation and Entrepreneurship Training Program has been significant.Participants have reported an increase in confidence, creativity, and problem-solving skills as a result of their participation in the program. Many students have also expressed a desire to pursue careers in entrepreneurship and start their own businesses in the future.Furthermore, the program has received positive feedback from university officials, industry partners, and government agencies. It has been recognized as a valuable initiative that helps to cultivate a culture of innovation and entrepreneurship among students. The program has also contributed to the university's reputation as a leader in promoting entrepreneurship education and training.ConclusionIn conclusion, the Provincial Completion Report of the University Student Innovation and Entrepreneurship Training Program highlights the success and impact of the program on students, industry partners, and the community. Through its innovative approach to training and mentorship, the program has inspired and empowered a new generation of entrepreneurs who are ready to make a positive impact on society. The program's achievements serve as a testament to the importanceof fostering innovation and entrepreneurship among university students.篇3Title: Provincial Completion of the College Students Innovation and Entrepreneurship Training ProgramWith the rapid development of the economy and society, innovation and entrepreneurship have become increasingly important in today's world. For college students, participating in innovation and entrepreneurship training programs has become a crucial way to cultivate their entrepreneurial spirit and practical abilities.The College Students Innovation and Entrepreneurship Training Program is a province-level project aimed at providing students with the necessary knowledge, skills, and resources to start their own businesses or contribute to innovation in existing companies. The program covers a wide range of topics, including business planning, marketing, finance, and leadership, and provides students with hands-on experience through internships and workshops.Over the past year, our team has been actively involved in the program, working on a project to develop a mobile app foronline tutoring services. Through our participation, we have gained valuable insights into the process of starting a business, from idea generation to market research to product development. We have also had the opportunity to network with industry professionals and potential investors, who have provided us with valuable feedback and guidance.As we reach the end of the program, we are proud to announce that our project has been successfully completed and presented at the provincial level. We have received positive feedback from the judges and are confident in the potential of our app to make a positive impact on the education industry.In conclusion, the College Students Innovation and Entrepreneurship Training Program has been a valuable experience for us, providing us with the knowledge, skills, and support needed to pursue our entrepreneurial goals. We are grateful for the opportunity to participate in the program and look forward to applying what we have learned in our future endeavors.。
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FC only
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✔✔✔ຫໍສະໝຸດ (limited)✔
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(software)
(software)
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HDD#
192 x2.5' or 3.5' 150 x3.5' or 2.5' 125 x3.5' or 2.5'
Multiple Host Interfaces
✔(SAS+FC or SAS+10Gb)
Dynamic Disk Pools
✔(Free)
SSD Read Cache Tiering
✔(Free)
✔(iSCSI + FC) ✔(iSCSI + FC) iSCSI or 8Gb FC ✔(iSCSI+FC)
✔
✔
(limited)
(limited)
384x3.5' IP only
(VSA only) (limited)
192 x2.5' or 3.5'
✔(SAS+FC or SAS+10Gb)
✔(Free)
Enhanced Snapshots
✔(Free)
IP only ✔
✔(FC+iSCSI)
✔ (FAST) ✔
12x3.5' or 24x2.5'
✔(1Gb + FC)
✔
120x3.5' or 2.5' 168x3.5' or 2.5'
48x3.5' or 99x2.5'
120x3.5' or 199x2.5'
✔(Free) ✔
✔ (software)
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(limited)
(limited)
(limited)
✔(License for 120 HDD)
✔(Free)
Note: NetApp Internal Used Only
HDS HUS110
2U
HDS HUS130
2U or 4U
Fujitsu DX100 S3
4GB or 8 GB
8GB
32GB
8GB
4GB
204 x2.5' or 3.5' 192 x2.5' or 3.5' 192 x2.5' or 3.5'
120x3.5' or 2.5' 360 x3.5' or 2.5' 144 x3.5' or 2.5'
144x3.5'
✔(FC+iSCSI)
✔(FC+iSCSI)
2U
HSPto/LreeVftiHrtaunadl
Dell
4530
MD34/38 Series
2U
2U & 4U
Single & Dual Controller
Single or Dual Single or Dual Single or Dual
Dual only
Dual only
Dual only
SAS/iSCSI/FC/F 1Gb iSCSI or 8Gb
CoE
FC
(SAS+FC or SAS+10Gb)
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NetApp E2700 Competitive Cheat Sheet
Enclosure
NetApp E2700
2U & 4U
EMC VNXe
2U or 3U
EMC VNX5200
3U
IBM (China V3500
2U
IBM V3700
2U
IBM V5000
2U
HP/MSA P1040
2U
HP/MSA P2040
✔ (IP only)
✔ ✔ (FC only)
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✔(License)
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(software)
(software)
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✔(License)
Thin Provisioning
✔(Free)
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✔(Free)
Flexibility to Intermix Drives
Encrypted Drive Support
2U
NEC D3-10/D3-10i
2U
Huawei S2600T
2U & 4U
Inpsur AS600
2U & 4U
Sogou DS800
2U & 4U
Single or Dual Single or Dual Single or Dual Single or Dual
8GB or16 GB
4GB or 8 GB
Single or Dual Single or Dual Single or Dual Single or Dual
Cache per system 8GB or 16 GB 16GB or 24GB
32GB
4GB or 8 GB 8GB or 16 GB
16GB
8GB
8GB
64GB
8GB or 16 GB
✔(License for 2U)
✔(License)
Volume Copy
✔(Free)
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✔
✔(License)
Asynchronous Replication
Synchronous Replication
FC and IP Replication
✔(Free) ✔(Free) ✔(Free)