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LED test failure
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Overview
The procedure described below should be performed if some LEDs do not light up
during an LED test (see chapter 8, section
Procedure
Proceed as follows in the case of an LED test failure:
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1
Check that the circuit packs are plugged in correctly and the power supply is on.
IF ...
THEN ...
circuit pack LEDs do not light up,
replace the respective circuit packs.
LEDs of the User Panel do not
light up,
make sure that the User Panel control cable is
installed correctly (see
). If this is the case and
the LEDs do not light up, replace the User Panel
by unfastening the screws (see
all LEDs light up,
END OF STEPS
Figures
Figure A-1 User Panel cable (UPL)
Installation troubleshooting
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A-14
Lucent Technologies - Proprietary
See notice on first page
365-374-187
Issue 1, December 2005
E
N D
O F
S
T E P S
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