目录第1章A接口硬件结构............................................................................................................1-11.1概述...................................................................................................................................1-11.2单模BSC的FTC非复用方式............................................................................................1-11.2.1基本结构.................................................................................................................1-11.2.2E1线的连接............................................................................................................1-11.2.312FTC单板拨码开关设置.......................................................................................1-21.2.413FTC单板拨码开关设置.......................................................................................1-31.3单模块BSC的TCSM复用方式.........................................................................................1-41.3.1基本结构.................................................................................................................1-41.3.2E1线的连接............................................................................................................1-41.3.312FTC单板拨码开关设置.......................................................................................1-51.3.413FTC单板拨码开关设置.......................................................................................1-51.3.5MSM、SMI单板拨码开关.......................................................................................1-61.4多模块BSC的TCSM复用方式.........................................................................................1-61.4.1基本结构.................................................................................................................1-61.4.2E1线的连接............................................................................................................1-71.4.312FTC单板拨码开关设置.......................................................................................1-71.4.413FTC单板拨码开关设置.......................................................................................1-71.4.5MSM单板拨码开关.................................................................................................1-7第2章A接口对接过程............................................................................................................2-12.1对接内容协商....................................................................................................................2-12.1.1数据协商.................................................................................................................2-12.1.2物理层协商..............................................................................................................2-12.1.3定时器协商..............................................................................................................2-12.2硬件对接............................................................................................................................2-22.2.1七号链路对接..........................................................................................................2-22.2.2七号链路话统任务..........................................................................
