Nortel North American DMS-100 Instruction Manual page 224

5
DMS-100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up
Trouble locating and clearing procedures (continued)
Replacing a fan in a 42-in. cabinet
DANGER
Risk of injury
Electricity can arc when you remove a fuse cartridge. Wear
eye protection when you remove fuse holders for the cooling
unit.
CAUTION
Possible loss of service
Remove only the cooling unit fuses. Removal of the wrong
fuses can disconnect power to a critical hardware component
and cause loss of service.
1-209
(continued)
Fuse holders
Frame
supervisory panel
Fuse holders