Optical cross equipment communication network is an important part of the communication network,and the accurate location of the routing fault of the communication network is of great significance to the operation and maintenance of the communication network.Traditional methods rely on manual experience and professional knowledge,which consumes a lot of time in the troubleshooting process and cannot ensure the accuracy of the troubleshooting results.In order to improve the troubleshooting efficiency of optical cross device communication routing,an intelligent troubleshooting method of optical cross device communication routing based on optical time domain reflectometry(OTDR)data was proposed.By analyzing the OTS data at each stage of OCh when the fault occurred,the fault location was realized.The experimental results show that the proposed method can locate the fault in a short time,and the fault location can be accurately located,and the exclusion rate is more than 95%.
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