光纤到户(FTTH)建设规范目次前言................................................................VIII1适用范围.................................................................12引用标准.................................................................13相关释义.................................................................13.1名词释义...........................................................13.2单位释义...........................................................24FTTH网络结构及系统组成..................................................35PON技术应用要求.........................................................45.1PON技术选择.........................................................45.2设备容量要求.......................................................55.3光接口链路预算.....................................................55.4光模块的测量要求...................................................65.5网管要求...........................................................65.6对OLT及ONU设备的技术要求..........................................66OLT设备部署要求.........................................................76.1OLT局点设置要求....................................................76.2OLT机房选择要求.....................................................86.3OLT上联方式.........................................................86.4OLT设备冗余保护.....................................................86.4.1OLT主控板冗余保护.................................................96.4.2OLT上联保护.......................................................96.4.3配置恢复功能.....................................................96.4.4电源冗余保护功能.................................................96.4.5OLT下联保护.......................................................97OLT上联光缆建设要求....................................................108光分配网（ODN）建设要求.................................................108.1光分配网（ODN）网络结构...........................................108.2中心机房子系统....................................................12I8.2.1光测量室的选择..................................................128.2.2光纤总配线架OMDF的选择..........................................128.2.2.1OMDF的选择原则.................................................128.2.2.2OMDF技术要求...................................................138.2.2.2.1外观与结构..................................................138.2.2.2.1.1外观结构形式..............................................138.2.2.2.1.2机架外形尺寸..............................................138.2.2.2.1.3机架结构..................................................138.2.2.2.1.4走线槽道..................................................148.2.2.2.1.5适配器....................................................158.2.2.2.1.6引入光缆弯曲半径..........................................158.2.2.2.1.7保护套、衬垫及纤芯和尾纤弯曲半径..........................158.2.2.2.2材料要求....................................................168.2.2.2.3功能要求....................................................168.2.2.2.3.1光缆固定与保护装置........................................168.2.2.2.3.2光纤终结功能..............................................168.2.2.2.3.3调纤功能..................................................168.2.2.2.3.4光缆纤芯及尾纤的保护功能..................................16...
