Fault recovery system of a ring network

Details Fault recovery system of a ring network Fault recovery system of a ring network

H - Electricity

04

L

H04L 12/437 (2006.01) H04B 10/20 (2006.01)

Patent

CA 2162185

A fault recovery system of a ring network based on a synchronous transport module transmission system, having a fault data writing unit for writing, when an input fault is detected by a node, fault data in a predetermined user byte in an overhead of a frame flowing through both a working line and a protection line running in opposite directions to each other, and, by detecting the fault data in a supervision node or a node just before the fault position, the supervision node or the node just before the fault position excecutes a loopback operation.

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