Multiplex communications – Fault recovery – Bypass an inoperative station
Patent
1996-05-17
1998-04-07
Chin, Wellington
Multiplex communications
Fault recovery
Bypass an inoperative station
370541, H04J 314
Patent
active
057373108
ABSTRACT:
Disclosed is a synchronous ring network system, which has a plurality of nodes, each of the nodes has: switching means for conducting a protection switching processing in response to a trouble; higher-order path misconnection search means for searching a misconnection of the AU signal caused by the switching processing; means for instructing the higher-order path squelch means to squelch an AU signal from the result of the higher-order path misconnection searching; lower-order path misconnection search means for searching a misconnection of the TU signal caused by the switching processing: means for instructing the lower-order path squelch means to squelch a TU signal from the result of the lower-order path misconnection searching; means for instructing the release of the higher-order path squelch after squelching by the lower-order path squelch means; and means for instructing the higher-order path overhead processing means to stop the termination as to a predetermined byte of each byte for composing the higher-order path overhead.
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patent: 5600648 (1997-02-01), Furata
Chin Wellington
NEC Corporation
Vu Huy D.
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