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嵌入式控制通道(ECC,),用于SDH网元间通信,传送TMN信息,实现网管对非网关网元的管理。通过对一例ECC路由不通导致传输网元脱管的故障进行分析,了解ECC原理,掌握ECC故障处理的方法和技巧。
The embedded control channel (ECC) is used for communication between SDH network elements and for transmitting TMN information, so that the NMS manages the non-gateway network elements. Analyze the fault of the NE in the transmission NE by using an ECC route to learn about the ECC principle and how to handle the ECC fault.