华为宽带产品教材3.pdf

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1、目录第一章概述.....................................................................11.1系统介绍.................................................................11.2组网介绍.................................................................1第二章ADSL技术介绍...........................................

2、................42.1概述.....................................................................42.2ADSL技术原理............................................................52.2.1ADSL参考模型.......................................................52.2.2ADSL技术性能分析.............................

3、.....................72.2.3ADSL调制技术......................................................7第三章系统总体介绍.............................................................93.1系统的总体结构...........................................................93.1.1网络单元.....................................

4、......................93.2可接入业务及功能特点....................................................103.2.1ADSL业务接入.....................................................103.2.2LAN业务接入......................................................103.2.3E1电路仿真业务......................................

5、..............113.2.4V.35电路仿真业务..................................................113.2.5E1信元中继业务....................................................113.2.6帧中继业务接入....................................................123.3系统对外接口及协议规范...............................................

6、...123.3.1光接口...........................................................123.3.2ADSL接口........................................................123.3.3分离器接口.......................................................123.3.4E1接口..........................................................

7、.133.3.5V.35接口.........................................................133.3.6LAN接口.........................................................13第四章系统组成和原理..........................................................144.1MA5100接入设备结构..................................................

8、...144.2分接复用及管理模块............................................