光纤术语

光传输Optical transmission

交*连接Cross connect

终端复用器TM Terminal multiplexer

分插复用器ADM Add & drop multiplexer

再生器REG Regenerator

时钟板STG unit (synchronous timing generator)

主控板SCC unit (system control and communication)

公务板Order wire unit

点到点Point-to-point

光接口Optical interface

电接口Electrical interface

环回、穿通或交* Loopback, feed-through or cross connection 串并/并串转换Serial-parallel/parallel-serial conversion

开销提取/合成Overhead extraction/synthesis

虚容器Virtual container

映射/解映射Mapping/demapping

空分Space division

线路单元与支路单元Line unit and tributary unit

锁相Phase-lock

定时基准Timing reference

带电插拔Hot plug

铃流Ringing current

外同步模式External synchronization mode

同步保持模式Synchronous holdover mode

内部自由振荡模式Internal free-run mode

指针调整Pointer justification

抖动Jitter

(抑制)漂移(suppress) wonder

公务电话Order wire telephone

以太网接口Ethernet interface

二纤自愈环Two-fiber self-healing ring

网元Network element (NE)

同轴转接盒Coaxial transit box

壁挂Wall-mounted

插板Plugboard

板位Board position

背面板Back panel

接线区Wiring area

引线Leading wire

跳线Jumper

平衡接口Balanced interface

非平衡接口Non-balanced interface

双绞线Twisted pair line

卡板槽Card trough

平放式安装Horizontal installation

前面板Front panel

保险管Protective tube

指示灯Indicating lamp

恢复式通道倒换Revertive path switching

非恢复式通道倒换Non-revertive path switching

未开工Not in service

开工In service

一次保安单元Primary protective unit

满配置Full configuration

单向Unidirectional

双向Bi-directional

通道保护和复用段保护Path protection and multiplex section protection 倒换Switching

开销单元（OHP）Overhead processing unit

输出阻抗Output impedance

信号标记Signal label

开销字节Overhead byte

同步源Synchronous source

时钟源Clock source

正向Positive

时隙源Timeslot source

时隙宿Timeslot sink

反向Negative

双向Both-way

故障定位Fault localization

功能块Functional block

危急告警Critical

主要告警Major

次要告警Minor

提示告警Warning

15分钟周期15-minute period

复选框Check box

对象集Object set

非零Non-zero

不可用时间Unavailable time (UAT)

越限Threshold-crossing

信号丢失Loss of signal

劣化Deterioration

光路Optical path

对端Opposite terminal

帧丢失Loss of frame

高阶通道Higher-order path

管理单元Administrative unit (AU)

误码Bit error

连接器Connector

衰减Attenuation

指针调整记数Pointer justification count (PJC)

PJCHIGH（指针正调整）和PJCLOW（指针负调整）Pointer justification high and p ointer justification low

光时域反射计OTDR Optical time domain reflectometer

尾纤Tail fiber

远端自环Remote self-loop

配线架MDF (main distribution frame)

管理域Management domain

光纤连接器Optical connector

保护倒换Protection switching

双纤单向通道保护环Two-fiber unidirectional path protection ring

报表Report

网管图标NM icon

子网Sub-network

子架Sub-rack

在线帮助On-line help

串口线Serial port line

波特率Baud rate

常亮Normally on

结果码Object code

复用段适配Multiplex section adaptation

接触不良Poor contact

用户手册1

跟踪模式、自由振荡和保持模式Locked mode, free-run mode and hold-over mode

沟槽Trough

静电吸附Electrostatic adherence

粒径Particle size

一次电源Primary power supply

尖峰电压Peak voltage

防静电手腕Anti-electrostatic wrist

瞬变过程Transient process

低通滤波器Low-pass filter

滤波电容Filtering capacitance

防雷Lightening-protection

避雷针Lightening arrestor

光衰耗器Optical attenuator

光功率计Optical power meter

接插件Plug-in unit

OOF接收帧失步Out of frame

碰线Swinging cross

TU指针丢失TU loss of pointer