反射器在PON的OTDR测试与诊断中的应用研究  

Application of Reflector in OTDR Test and Diagnosis System of PON Network

作　　者：沈成彬[1] 杜喆[1] 蒋铭[1] 王波[2] 

机构地区：[1]中国电信股份有限公司上海研究院,上海200122 [2]中国电信集团公司技术部,北京100031

出　　处：《电信科学》2014年第4期123-128,134,共7页Telecommunications Science

基　　金：国家高技术研究发展计划("863"计划)基金资助项目(No.2011AA01A104)

摘　　要：基于所构建的PON OTDR系统的ODN衰减事件检测的分析模型和相关试验结果,研究了反射器在PON的OTDR测试诊断系统中的作用及其必要性。结合运营商的实际需求,提出并比较了反射器的几种实现方案,探讨了反射器的技术指标要求,并介绍了反射器相关的国际标准化进展。A mathematic model was built-up to analyze ODN attenuation event detection in 0TDR system of PON,and then combining the mathematic analysis and experimental result,the application value and necessity of wavelength-selective reflector in PON optical link test and diagnosis system were investigated.Based on operators＇ requirements,several implementations of reflector were proposed and analyzed,and technical requirements for reflector were given.Finally,the international and domestic standardization progress of reflector was introduced.

关 键 词：无源光网络 光时域反射分析仪 光链路测量与诊断 光分配网 反射器 

分 类 号：TN913.33[电子电信—通信与信息系统]