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FAQ-What is the Meaning of Sdh Error with Disp Int Pos

Publication Date:  2012-07-27 Views:  46 Downloads:  0
Issue Description
Q: 
What is the meaning of  B1, B2 and B3 of sdh error with disp int pos?
Alarm Information
Null
Handling Process
A:
disp int pos  
.......................................  
SDH error:
        section layer:  B1 0
         line    layer:   B2 0  REI 0
        path    layer:  B3 0
......................................
section layer  B1: Error packet after bit interleaved parity. It makes transmission error test for the whole STM-N frame signal.
line   layer  B2: bit interleaved parity N×24-bit (BIP-N×24), it monitors transmission error of each STM-1 frame in STM-N.
path  layer B3: B3 monitors transmission error performance of VC4 in STM-N frame.
Root Cause
Null
Suggestions
Null

END