Selecting the threshold for a signal
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When to use
Changing the degraded signal thresholds is only done according to a change in the
transmission plan.
Related information
Related information and precautions are:
• the threshold values (number of errored blocks and number of seconds) must be
known.
• changing the values of the Signal Degrade Thresholds can degrade the transmission
path. Depending on these values alarms are generated and SNC/N or MSP
protection switches are made.
Before you begin
Related Procedures are:
• Port Provisioning
• Provisioning Termination Points
Procedure
This procedure describes how the threshold for a specific signal can be changed. A
choice can be made between two threshold values. Changing the values of these two
thresholds is described in the ″Procedure to Change the Threshold Values″.
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1
The following table shows the windows in which the degraded signal values for the
different signals are displayed. The Actions column shows how to get to these
windows
Signal
Level
Actions
STM-1 Perform the following steps
• Provisioning -> Transport -> Ports
• Select filter criteria and click
OK
• select the STM-1 or the STM-4 port and click Details
Result: The STM-1 or STM-4 Port Information window appears
VC-12
or VC-4
Perform the following steps
• Provisioning -> Transport -> Termination Point
• Select filter criteria and click
OK
• Select a VC-12 or VC-4 termination point and click Details
Result: The Provisioned Termination Point Information window appears
Traffic maintenance
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9-20
Alcatel-Lucent - Proprietary
See notice on first page
365-312-807R7.2
Issue 4, May 2007
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