20M宽带接入网络关键建设原则实施规范

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1、sQ/BJT中国联通北京市分公司企业标准Q/BJT10—2009中国联合网络通信有限公司北京市分公司20M宽带接入网络关键建设原则实施规范2009-12-31发布2009-12-31实施中国联合网络通信有限公司北京市分公司发布Q/BJT10—2009目次前言.................................................................III1适用范围................................................................12引用标准................

2、................................................13相关释义................................................................13.1名词释义.............................................................13.2单位释义.............................................................24PON技术应用.......................

3、......................................34.1设备容量要求.........................................................34.2光模块衰耗要求.......................................................34.3光模块的测量要求.....................................................34.4网管要求............................................

4、.................34.510GPON技术演进.......................................................45OLT局点设置............................................................46OLT设备设置.............................................................46.1OLT机房选择....................................................

5、......46.2OLT上联方式..........................................................56.3OLT设备冗余保护......................................................57光分配网（ODN）设计.....................................................67.1中心机房子系统.......................................................77.2主干光缆子系统...

6、....................................................97.3配线光缆子系统......................................................117.4引入光缆子系统......................................................137.5光纤终端子系统......................................................147.6管理子系统.............................

7、.............................148分光比与接入距离.......................................................158.1接入距离与光功率预算................................................158.2光纤接续与成端......................................................17IQ/BJT10—20098.3接入带宽计算........................