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EXFO FTB-8100 Series Transport Blazer for FTB-200 User Manual

Page 275

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SDH Tabs

SONET/SDH Application

263

Multiplex Section RX (SDH)

For STM-1e and STM-1o: The MS-REI error is declared when the M1
byte located in the STM-1 channel 1 (timeslot #3) indicates that one or
more BIP violations have been detected

M1, bits

234 5678

Indicates

000 0000

0 BIP violation

000 0001

1 BIP violation

000 0010

2 BIP violations

:

:

001 1000

24 BIP violations

001 1001

0 BIP violation

:

:

111 1111

0 BIP violation