Nortel North American DMS-100 Instruction Manual page 164

7
DMS-100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up
Trouble locating and clearing procedures (continued)
Replacing a cooling unit electronic module
CPC A0383326, A0383327, A0383984
Filler panel
Power cable
junction box
Filler panel
DANGER
Risk of injury
Electricity can arc when you throw the circuit breakers for
the cooling unit. Wear eye protection.
Frame
supervisory panel
Power distribution shelf
(breaker panel
assembly)
Supplemental power
distribution shelf
1-149
(continued)