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SDH test procedures
Line timing test
....................................................................................................................................................................................................................................
Overview
Before you begin
Test setup
Procedure
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365-374-074
Issue a, April 2002
This test checks that all NEs can be synchronised using the line
timing function. In the test procedure a protected ring configuration
will be used as example. However, the described procedure is in
principle also valid for other network topologies.
This test can only be done after the line timing functionality has been
configured correctly (see section
East
NE-D
West
Error free signal
Proceed as follows to test the network line timing functionality:
............................................................................................................................................................
Connect an error free SDH signal to the optical port which has been
1
configured for line timing (see section
(8-15)).
Lucent Technologies
"Line timing provisioning"
NE-C
Port 1
Port 1
West
East
Out
In
Port 1
Port 1
In
Out
¨
WaveStar CIT
NE-A
Port 1
Port 1
East
West
Out
In
Port 1
Port 1
In
Out
"Line timing provisioning"
Span / Ring testing
(8-15)).
West
NE-B
East
8 - 1 7
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