Nortel North American DMS-100 Instruction Manual page 248

Replacing an NT9X95 card in a cooling unit
At the front of the cabinet
12
13
DMS-100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up
Trouble locating and clearing procedures (continued)
CAUTION
Possible equipment damage or service interruption
Label all electrical connectors before you disconnect them.
If you reconnect to the wrong electrical connector, you can
cause equipment damage or service interruption.
Disconnect the four electrical connectors at the front of the electronic module.
Note: Use both hands to disconnect the connectors. Grasp the top of the
connector in one hand and the bottom of the connector in the other hand.
Press the releases at the sides of the connector top and pull on the
connector bottom.
Slide out the electronic module for the cooling unit.
1-233
(continued)