Alcatel-Lucent 1643 AMS User's Operation Manual page 571

Traffic maintenance
Provision degraded signal thresholds
Overview
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Purpose
The purpose of provisioning degraded signal thresholds is to define how many errors a
signal may have before it is considered degraded. A degraded signal causes a Moderate
Block Error Rate alarm. A degraded signal can cause an SNC/N protection switch if
the path for that signal is SNC/N protected, or an MSP switch if MSP protection is
used.
Signal levels
The signal levels on which the degraded signal thresholds can be set are STM-16,
STM-1, VC-4, VC-3 VC-11, VC-12, E3 or DS3.
Contents
Selecting the threshold for a signal
Changing the threshold values
Parameters for provisioning degraded signal thresholds
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365-312-807R7.2
Issue 4, May 2007
Alcatel-Lucent - Proprietary
See notice on first page
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