SONET Tabs
172
FTB-8100 Series Transport Blazer
Section RX (SONET)
Section RX (SONET)
Press
Main
,
Test
,
SONET
,
Section
, and
Section RX
.
Error Analysis
FAS
(Frame Alignment Signal): A FAS defect indicates that at least one A1
or A2 byte of the FAS word is in error.
B1
(BIP-8, Bit-Interleave Parity - 8 bits): The B1 (BIP-8) error indicates a
Section parity error by performing a routine even-parity check over all
frames of the previous STS-n signal (located in the first STS-1 of an STS-n
signal).
Содержание FTB-8100 Series
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