三台摩托罗拉车载电台构成跨段链路中继 GM3188 GM3688
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多中继链接 (13) –发射GM3188/3688扩展接口编程
4
MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2002.
多中继链接 (16) –链路GM3188/3688扩展接口编程
8
MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2002.
注：如果A,B 距离足够远, 频率可以重复使用。
多中继链接 (19) – 三区链接及漫游
Tx:f0 Rx:f2 C区 f4 f4
Tx:f0 Rx:f1 A区
f4
B区
Tx:f0 Rx:f2
10
MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2002.
多中继链接 (12) – 发射GM3188/3688编程
3
MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2002.
构造中继台(11) – GM3188/3688扩展接口连接
链路 GM3188/3688
2 1 4 3 6 5 8 8 7 10 9 12 11 14 13 16 15
Ext. Mic Audio 外借麦克风音频
R1: 3.6K R2: 3.3K
R3 3.9K
Carrier Detect 载波检测
12 11 14 13 16 15 2 1 4 3 6 5 8 8 7 10 9 12 11 14 13 16 15
多中继链接 (14) – 接收GM3188/3688编程
5
MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2002.
1
MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2002.
2 1
4 3
6 5
8 7
10 9
Voice PTT 话音PTT
GND 地
GND 地
RX Audio 接收音频
本地中继 - 发射GM3188
本地中继- 接收GM3188
2
MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2002.
多中继链接 (16) – 链路GM3188/3688编程
最好加私线， 避免干扰
7
MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2002.
多中继链接 (10)wenku.baidu.com– 3台GM3188/3688构成站点
站点基本配置：
链路台 定向天线到远站
二台GM3188/3688 构成本地中转 一台GM3188/3688 为链路台 双工器 中继台天线 链路天线
本地转发天线
本地中继- 发射
双工器
本地中继- 接收
Local site radios
本地手机 :
TX : 412.050 MHz RX : 422.050 MHz
本地手机:
TX : 412.550 MHz RX : 422.550 MHz
9
MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2002.
11
MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2002.
多中继链接 (15) –接收GM3188/3688扩展接口编程
6
MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. © Motorola, Inc. 2002.
多中继链接 (18) – 试验
链路台 A 链路台B
本地中继
本地中继
链路台 A
TX/RX : 151.025MHz
链路台 B
TX/RX : 151.025MHz
A点本地转发
TX : 422.050 MHz RX : 412.050 MHz
B点本地转发:
TX : 422.550 MHz RX : 412.550 MHz
多中继链接 (21) – 注意事项与其他
为避免链路天线与中继天线的互相干扰，链路频率与
中继频率间隔尽量远，最好跨段。并尽可能可采取多
种方式减少链路天线和中继天线间干扰 利用上面单站配置可实现多站点，多区域链接 将各中继台接收频率设置为同频，手持台设置为扫描 可实现多区漫游 中继台可以接中继控制器，但连线需做适当修改 链路天线可选定向天线 在链路和中继台选择私线以避免干扰