Nortel North American DMS-100 Instruction Manual page 136

31
32
33
34
35
DMS-100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up
Trouble locating and clearing procedures (continued)
Replacing a 14-in. disk drive unit
Disconnect the power cable from the DDU.
WARNING
Possible equipment damage
Retainer clips hold the ribbon cable in place. The ribbon
cable connector releases when the retainer clips release. Do
not pull on the ribbon cable to release it. If you pull the
cable, you can damage the ribbon cable or the ribbon cable
socket on the DDU.
To disconnect the DDU end of the ribbon cable, squeeze the retainer clips.
Verify that the power cable on the switch is compatible with the power
connector on the replacement DDU.
If the power cable
is compatible
is not compatible
Obtain an adapter from office stores.
Remove the two retaining screws that secure the DDU to the slide rails.
Do
step 35
step 34
1-121
(continued)