Nortel DMS-100 Series Maintenance Manual page 263

79 Determine the type of replaced converter.
If the replaced converter
is an NT6X53
is not an NT6X53
80 Determine if the converter fail LED for the replaced converter is lit.
If the converter fail LED
is lit
is not lit
81 Determine the state of the replaced converter and the associated circuit
breaker.
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
82 Set the circuit breaker to OFF.
83 Remove the NT6X51 and NT6X52 cards from the shelf with the lit converter fail
LED.
84
Set the circuit breaker to ON.
If the converter fail LED
is lit
is not lit
RLCE frame major
DMS-100 Family RLCM Maintenance Manual XPM12 and up
RLCM alarm clearing procedures 7-79
Do
step 81
step 80
Do
step 97
step 105
Do
step 83
step 105
step 82
Do
step 97
step 85
Ext FSP
(continued)