Performance Parameters
OT Digital Performance Parameters
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Overview
Monitored Parameters
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4 - 8
The OT digital parameters are based upon digital parity checking of
the given client SONET/SDH signal or line WaveWrapped signal.
Refer to
Table 4-1, "Monitored WaveWrapper Performance
Parameters" (4-8)
for a list of WaveWrapper performance parameters
that are monitored by the LambdaXtreme
Table 4-1
Monitored WaveWrapper Performance Parameters
Sonet
CV
ES
SES
SEFS
LOSS
CV/BBE
Code Violation counters are incremented for each BIP error detected
at the layer.
Background Block Error counters are incremented by 1 if the
received BIP does not match the BIP calculated from the previous
block.
ES
An Errored Second is a count of one-second intervals containing
errors.
SES
A Severely Errored Second is a count of one-second intervals
containing errors above a threshold.
SEFS
A Severely Errored Frame Second is a count of one-second intervals
containing one or more SEF defects.
Lucent Technologies - Proprietary
See notice on first page
Performance Monitoring
™
Transport System.
SDH
BBE
ES
SES
SEFS
LOSS
UAS
365-575-783R1.1
Issue 1, June 2002
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