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NE Synchronisation Test
....................................................................................................................................................................................................................................
Overview
Procedure
....................................................................................................................................................................................................................................
6 - 1 0
This test ensures protected synchronisation of the NE to external clock
sources.
Important! The test must only be carried out for NEs with connected
external clock sources.
Proceed as follows to complete the NE synchronisation test:
............................................................................................................................................................
Connect an external clock source (2.048 MHz signal, 2.048 Mbit/s
1
framed signal or a 1.544 Mbit/s framed signal (SONET)) to both
external timing input ports located on the rear side of the subrack (see
Chapter 4).
............................................................................................................................................................
Login to the NE as described in Chapter 5, section "NE Login/Logout
2
procedure" (5-19).
............................................................................................................................................................
Assign the first clock source.
3
To do this, select
then the tab
External Timing Reference 1
•
Select "AUTO" in the
•
Set the priority to "1" in the
field.
•
Select "External Timing Input Port 1" in the
field.
•
Set the
Timing Port Mode Monitoring
............................................................................................................................................................
Assign the second clock source.
4
To do this, select
then the tab
External Timing Reference 2
•
Select "AUTO" in the
•
Set the priority to "2" in the
field.
Lucent Technologies
→
Configuration
Timing/Sync
Provisioned Quality Level
System Timing Reference Prioriy
→
Configuration
Timing/Sync
Provisioned Quality Level
System Timing Reference Prioriy
Test Procedures
in the System view,
.
field.
Assigned Port AID
field to "Monitored".
in the System view,
.
field.
365-374-059
Issue a, January 2002
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