下载后可任意编辑接入网-接入网网络结构及维护法律规范目录第 1 章 接入网网络结构......................................................................4第 2 章 接入网网络拓扑图.................................................................52.1 网络拓扑图....................................................................................................................52.2 铜缆接入线路拓扑图.....................................................................................................6下载后可任意编辑第 3 章 ADSL 接入网............................................................................73.1 ADSL 典型组网应用.......................................................................................................73.2 ADSL 组网－集中 BRAS 直连方式..................................................................................73.3 ADSL 组网－集中 BRAS 二层汇聚..................................................................................83.4 ADSL 组网－集中 BRAS MSTP 汇聚...............................................................................83.5 ADSL 组网－分布 BRAS..................................................................................................83.6 ADSL 组网－分布 BAS＋内置 BAS.................................................................................9第 4 章 光接入网.................................................................................104.1 FTTH（O）场景组网应用............................................................................................104.2 FTTB 场景组网应用......................................................................................................114.3FTTN/C 组网应用..........................................................................................................11第 5 章 PON 接入业务承载方式....................................................125.1 语音业务.............................................................................
