Nortel DMS-100 Series Maintenance Manual page 287

If the circuit breaker
remains ON, and the CONVERTER FAIL LED is
not lit
remains ON, and the CONVERTER FAIL LED is lit step 88
88 Set the circuit breaker to OFF.
89 Replace the NT6X51 card. Refer to the correct procedure in Card
Replacement Procedures. When you complete the procedure, return to this
point.
90 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 step 94
91 Set the circuit breaker to OFF.
92 Insert the NT6X52 card back in the shelf.
93 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 step 94
94 Set the circuit breaker to OFF.
95 Replace the NT6X52 card. Refer to the correct procedure in Card
Replacement Procedures. When you complete the procedure, return to this
step.
96 Set the circuit breaker to ON.
If the CONVERTER FAIL LED
is lit
is not lit
OPM alarm clearing procedures
OPM cabinet major
DMS-100 Family OPM Maintenance Manual XPM14 and up
Do
step 91
Do
step 95
step 91
Do
step 95
step 105
Do
step 102
step 105
7-67
Ext FSP
(continued)