Result:
“External Timing Input Port 1”
should be displayed in the
System Timing Reference AID
field.
Select the tab
System Timing
.
“Normal”
should be displayed in
the
System Clock mode Status
field.
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9
Disconnect the first clock source.
Result:
The second clock source should become active.
To check that, select the tab
System Timing Reference
.
“External Timing Input Port 2”
should be displayed in the
System Timing Reference AID
field.
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10
Reconnect the first clock source.
Result:
The first clock source should become active again after WTR
time has expired.
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11
Return all timing parameters to their prior state.
NE synchronisation failure
In the case of an NE synchronisation failure (NE cannot synchronise
to an external clock source), please refer to Appendix A, section
synchronisation failure” (A-5)
NE synchronisation test
Stand alone test procedures
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7 - 8
Lucent Technologies
365-374-074
Issue a, April 2002
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N D
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T E P S
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