Port Tabs
SONET/SDH Application
121
Port RX (Electrical Interfaces)
Error Analysis
Possible errors that can be detected are:
³
For DS1 and DS3
BPV (
Bipolar Violation): A
BPV
error indicates that pulses of the same
consecutive polarity were detected, in violation with the bipolar signal
format.
EXZ
(Excessive Zeros)
For
DS1
with
AMI Line Coding
: Indicates that more than 15
consecutive bit periods with no pulses have been received.
For
DS1
with
B8ZS Line Coding
: Indicates that more than 7
consecutive bit periods with no pulses have been received.
For
DS3
: Indicates that more than 2 consecutive bit periods with no
pulses have been received.
³
For E1, E2, E3, E4, STS-1e/STM-0e, and STS-3e/STM-1e
CV
(Code Violation): A
CV
error indicates that pulses of the same
consecutive polarity were detected, in violation with the bipolar signal
format.
Содержание FTB-8100 Series
Страница 1: ...User Guide FTB 8100 Series for FTB 200 SONET SDH Application...
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