Nortel DMS-100 Series Maintenance Manual page 217

At the RLCM site
15 Trip the circuit breaker CB8 or CB9. This action removes the talk battery filter
from the circuit. This action also ensures that the cartridge fuse does not blow.
If affected unit
is Unit 0
is Unit 1
At the PDC frame
16 Replace the cartridge fuse in the fuse holder.
17
DANGER
Risk of fire
For continued protection against risk of fire, replace
the blown fuse. Replace the blown fuse with a fuse of
the same type, rating (color code), and manufacturer.
Replace the blown fuse.
18 Install the fuse holder on the PDC frame.
At the RLCM site
19 To reset circuit breaker CB8 or CB9, move the switch to the ON/OFF and back
to the ON position in quick sequence. The LED must go OFF.
If circuit breaker
trips again
remains ON, LED goes off
20
Determine if the fuse has blown again.
If the fuse
has blown again
has not blown again
DMS-100 Family RLCM Maintenance Manual XPM12 and up
RLCM alarm clearing procedures 7-33
RLCM talk battery alarm
critical
Trip circuit breaker
CB8
CB9
Do
step 20
step 57
Do
step 56
step 57
(continued)