Failure determination in an optical communication network

Details Failure determination in an optical communication network Failure determination in an optical communication network

H - Electricity

04

B

H04B 10/08 (2006.01) H04J 3/06 (2006.01) H04J 3/14 (2006.01) H04L 29/14 (2006.01) H04Q 11/04 (2006.01)

Patent

CA 2390464

An apparatus adapted to be associated with a synchronous communication equipment and to determine the occurrence of a failure in an optical transport network (OTN), comprises a failure indication detector and a correlating unit. The failure indication detector is operative to detect a failure indication pattern generated in response to a failure occurring in the OTN. The correlating unit adapted to be operatively associated with the failure indication detector and the synchronous communication equipment, and to suppress a Loss-of-Frame (LOF) alarm in the synchronous communication equipment in response to receiving an indication that the failure indication pattern has been detected at the failure indication detector and a LOF defect (dLOF) indication has been received from the synchronous communication equipment.

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