Nortel DMS-100 Series Maintenance Manual page 156

5-42 RLCM-EDC alarm clearing procedures
Ext FSP
RLCC-EDC cabinet major
78
79
80
81
82
83
84
297-8381-550 Standard 02.02 April 1999
(continued)
Insert the NT6X52 card back into the shelf.
Set the circuit breaker to ON.
If the circuit breaker
turns OFF, and the converter fail
LED is lit
remains ON, and the converter fail
LED is not lit
remains ON, and the converter fail
LED is lit
Set the circuit breaker to OFF.
Replace the NT6X52 card by performing the appropriate procedure in Card
Replacement Procedures . When you have completed the procedure, return to
this step.
Set the circuit breaker to ON.
If the converter fail LED is
lit
not lit
Determine if there are bent or short-circuited pins on the backplane of the shelf.
If there are
bent or short-circuited pins
no bent or short-circuited pins,
and the converter you are dealing
with is an NT6X53
no bent or short-circuited pins,
and the converter you are dealing
with is not an NT6X53
Set the circuit breaker to OFF.
Do
step 81
step 88
step 80
Do
step 88
step 91
Do
step 84
step 86
step 88