Method and system for manifesting alarms in a...

Details Method and system for manifesting alarms in a... Method and system for manifesting alarms in a...

2007-10-30

2007-10-30

Nguyen, Brian (Department: 2616)

Multiplex communications

Fault recovery

Bypass an inoperative station

C370S244000

Reexamination Certificate

active

10149516

ABSTRACT:
A method and a Network Element (NE) for manifesting alarms by forming a so called combined Data Quality Byte (DQB) for a particular SDH/SONET data transmission stream. The DQB indicates status of alarms at a particular location of the telecommunication network, via which the stream is transmitted. The DQB can be formed by arranging a plurality of alarm signals, currently actual for the particular data transmission stream, in a predetermined byte associated with the stream frame. The NE, upon receiving from an upstream network element a data transmission stream with its DQB1formed upstream, creates an updated DQB2and compares DQB1with DQB2to manifest an alarm status change ΔDQB for estimating quality of transmission via the network section.

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