Alcatel-Lucent 1665 Installation Manual page 217

Installation tests
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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Check off the appropriate box in
6
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.
Important!
however this procedure should be performed on each Function Unit Slot pair.
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Select Fault -> Protection Switch...
1
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Click on 1+1 Equip fn-x (x is a,b,c or d corresponding to the function group equipped with
2
DS3).
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Click Select.
3
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In the Switch Type: pull-down, select Manual (Normal).
4
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Click Apply.
5
Result:
was standby is now active. Transmission should take a momentary hit as it is switched
to the other pack. This information should agree with the ACTIVE LEDs on the
LNW16/LNW19/LNW19B, LNW18 or LNW20 circuit packs.
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365-372-304R7.1
Issue 1, November 2007
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,
The pack that was active should now be the standby pack and the pack that
Appendix E, "Installation
DS3 protection switching
checklist".
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