Procedure 2
Follow the steps below if the PWR ON LED does not light up on
the user panel:
............................................................................................................................................................
1
Switch all circuit breakers on the subrack backplane to the OFF
position.
............................................................................................................................................................
2
Replace all affected shelf power cables between the PDP and the
power connectors of the Power Interfaces (PIs). Make sure that the
cables are tight afterwards.
..........................................................................................................................................................
3
Switch all circuit breakers on the subrack backplane to the ON
position.
IF ...
THEN ...
the PWR ON LED does
not light up on the user
panel,
switch all circuit breakers on the
subrack backplane to the OFF position
and replace all affected PIs.
the PWR ON LED lights
up on the user panel,
END OF STEPS
Procedure 3
Follow the steps below if the PWR ON LED does not light up on
the fan unit:
............................................................................................................................................................
1
Switch all circuit breakers on the subrack backplane to the OFF
position.
............................................................................................................................................................
2
Replace all affected fan power cables between the PIs and the Fan
Unit. Make sure that the cables are tight afterwards.
..........................................................................................................................................................
3
Switch all circuit breakers on the subrack backplane to the ON
position.
Power failure
Installation trouble shooting
....................................................................................................................................................................................................................................
365-374-074
Issue a, April 2002
Lucent Technologies
A - 3
E
N D
O F
S
T E P S
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