Sunday, June 30, 2019

Optical Multiplex Section Termination


The following processes are the responsibility of the optical multiplex section (OMS) trail termination, I.E the processes initiate at the point of trail termination:  

•validation of connectivity integrity 
•assessment of transmission quality 
•transmission defect detection and indication 

 As was the case with the optical channel, the optical multiplex section (OMS) consists of a pair of bidirectional but co-located optical channel termination source and sinks functions.  

Optical multiplex section termination source: accepts the adapted information from a client layer network at its input inserts the OMS overhead and presents the characteristic information of the OMS layer network at its output.  

Optical multiplex section termination sink: accepts the characteristic information of the OMS layer network at its input extracts the OMS overhead and presents the adapted information at its output.  


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