【摘要】 介绍了使用传统的OTDR对PON网络故障的测试,讨论了PON网络带业务状态下(in-service)的带外测试方法,对测试设备和网络设备分别与业务信号和测试信号的隔离度要求进行了分析,可实现在不影响正常业务情况下对PON网络的准确、可靠的维护测试,故障定位和业务恢复。更多还原

【Abstract】 The fault measurement on PON network using traditional OTDR is introduced;the out-of-band testing method for in-service PON network is discussed;the isolation requirement for measurement equipment and network to service signals and measurement signals is analyzed,respectively.The testing method can realize exact and reliable test,maintenance,fault location,and service recovery of the PON network without affecting normal service.更多还原