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SDH Tabs
262
FTB-8100 Series Transport Blazer
Multiplex Section RX (SDH)
Error Analysis
³
B2
(BIP-Nx24, Bit-Interleave Parity - Nx24 bits): The B2 error indicates a
Multiplex Section parity error by performing an even-parity check over
all bits (except those in the RSOH bytes) of the previous frame of a
STM-N signal.
³
MS-REI
(Multiplex Section - Remote Error Indicator):
For STM-0e: The MS-REI error is declared the M1 byte located in the
STM-1 channel 1 (first timeslot) 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
:
:
000 1000
8 BIP violations
000 1001
0 BIP violation
:
:
111 1111
0 BIP violation
Summary of Contents for FTB-8100 Series
Page 1: ...User Guide FTB 8100 Series for FTB 200 SONET SDH Application...
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