大一山庄项目弱电系统整体方案2008-12目录第一部分基础网络--三网融合...............................................................4一、什么是三网融合.......................................................................................................................41.1、三网融合的概念......................................................................................................................41.2、三网融合的优势......................................................................................................................4二、光纤到户、光进铜退、三网融合的实现...................................................................................52.1、光纤接入成本极大降低`.........................................................................................................52.2、高带宽业务的要求..................................................................................................................52.3、运营商的网络转型..................................................................................................................5三、三网融合的核心－－EPON网络................................................................................................63.1、三网融合系统拓朴图..............................................................................................................63.2、以太网无源光网络EPON技术..............................................................................................63.3、EPON局端设备简介...............................................................................................................73.4、EPON局端设备功能特点.......................................................................................................73.5、EPON终端接入设备...............................................................................................................93.6、VLAN划分..............................................................................................................................103.7、QoS设置.................................................................................................................................11四、三网融合之电信网.....................................................................................................................12五、三网融合之广播电视网.............................................................................................................135.1、系统概述................................................................................................................................135.2、星电视接收系统简介............................................................................................................135.3、系统设计说明........................................................................................................................145.4、系统组成................................................................................................................................145.5、卫星电视系统连接示意图....................................................................................................15六、三网融合之计算机通信网.........................................................................................................166.1、网络设计原则.........................................................................................
