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Fan unit test
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Overview
This test verifies the correct working of the fan unit in the
LambdaUnite
®
MultiService
Switch (MSS) subrack. The test should be carried out for each installed NE.
Procedure
Proceed as follows to test the correct functionality of the fan unit:
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1
Check the LED status indication on the back of the fan unit.
Result:
The “PWR ON” LED on the fan unit should be illuminated, the “FAULT”
LED should be off.
Figure 5-3 Fan unit LEDs
Power, software and circuit pack installation
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5-8
Lucent Technologies - Proprietary
See notice on first page
365-374-187
Issue 1, December 2005