Alcatel-Lucent 1665 Installation Manual page 234

Installation tests
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Result:
The MN alarm and the NE LED lamps on the SYSCTL will light. Transmission at the
test set will take a momentary hit and then re-establish.
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3
Unseat the second circuit pack of the pair.
Result:
set is registering loss of transmission.
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4
Reseat the first circuit pack that was removed.
Result:
the circuit pack will light for several seconds then extinguish. On the SYSCTL, the CR
alarm extinguishes and the MN alarm and the NE LED will be lit. Transmission is re-
established at the test set.
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5
Reseat the second circuit pack.
Requirement:
The ACTIVE LED on the second circuit pack remains off.
The FAULT LED on the second circuit pack will light for several seconds then extinguish.
On the SYSCTL, the MN alarm extinguishes.
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6
Check off the appropriate box in
E O
N D
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DS3 function unit protection switching test (command)
While an STS cross-connection exists, and a test set is connected, the protection switching
will be verified.
This test will initiate switching commands from the CIT and verify proper switching and
LED indications while monitoring transmission at a test set.
Note:
this procedure should be performed on each Function unit Slot pair.
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1
Select Fault > Protection Switch...
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6 - 2 4
The ACTIVE LED on the other circuit pack in the Function Group will light.
On the SYSCTL, the MN alarm extinguishes and the CR alarm lights. The test
The ACTIVE LED on the reseated circuit pack will light. The FAULT LED on
The ACTIVE LED on the first circuit pack remains on.
S
F T E P S
It is not necessary to perform this test on each sts cross-connection, however
Table I-3, Installation acceptance
DS3 protection switching
checklist.
Alcatel-Lucent 1665 DMX R9.0
365-372-304R9.0 Issue 2
July 2010