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3.2.3 单板..................................................................................................................................... 3-10
3.3
软件系统....................................................................................................................................... 3-10
第 4 章 接口和通信 ................................................................................................................................. 4-10
4.1
接口介绍....................................................................................................................................... 4-10
4.1.1 A
接口 .................................................................................................................................. 4-10
4.1.2 Abis
接口.............................................................................................................................. 4-10
4.1.3 Gb
接口................................................................................................................................ 4-10
4.1.4
前后台接口......................................................................................................................... 4-10
4.2
协议介绍....................................................................................................................................... 4-10
4.2.1 CS
域协议............................................................................................................................ 4-10
4.2.2 PS
域协议 ............................................................................................................................ 4-10
第 5 章 信号流向 ..................................................................................................................................... 5-10
5.1
概述............................................................................................................................................... 5-10
5.2
系统时钟信号............................................................................................................................... 5-10
5.3
用户面信号................................................................................................................................... 5-10
5.3.1 CS
域用户面信号流 ............................................................................................................ 5-10
5.3.2 PS
域用户面信号流 ............................................................................................................ 5-10
5.4
控制面信号................................................................................................................................... 5-10
5.4.1 CS
域控制面信号流 ............................................................................................................ 5-10
5.4.2 PS
域控制面信号流 ............................................................................................................ 5-10
第 6 章 组网方式和系统配置 ................................................................................................................. 6-10
6.1
组网方式....................................................................................................................................... 6-10
6.1.1 Abis
接口组网...................................................................................................................... 6-10
6.1.2 A
接口组网 .......................................................................................................................... 6-10
6.1.3 Gb
接口组网........................................................................................................................ 6-10
6.1.4
前后台接口组网................................................................................................................. 6-10
6.2
系统配置....................................................................................................................................... 6-10
6.2.1
机柜配置............................................................................................................................. 6-10
6.2.2
机框配置............................................................................................................................. 6-10
附录 A 缩略语 ........................................................................................................................................ A-10