Nortel North American DMS-100 Instruction Manual page 187

1-172 Trouble locating and clearing procedures (continued)
Replacing a cooling unit fan
CPC A0381714, A0382103, A0383325
12
13
14
15
At the front of the PDC
16
297-8021-544 Standard 14.02 May 2001
Slide the replacement fan part way into the cabinet.
Connect the four-pin electrical connector of the replacement fan to the
corresponding four-pin electrical connector of the cabinet.
Note: Step 9 shows the location of the connector.
Slide the replacement fan the rest of the way into the cabinet.
Determine if power for the cooling unit connects through a circuit breaker at
the CPDC.
If the power for the cooling unit
connects through a PDC
connects through a CPDC
To insert the cooling unit fuses, push the fuse cartridges straight into the front
panel of the PDC.
Go to step 18.
(continued)
Do
step 16
step 17