Nortel North American DMS-100 Instruction Manual page 121

1-106 Trouble locating and clearing procedures (continued)
Replacing an 8-in. or a 5.25-in. disk drive unit
42
43
44
45
46
At the front of the frame
47
297-8021-544 Standard 14.02 May 2001
Mounting brackets
Remove the DDU from the drawer.
Place the replacement DDU in position between the mounting brackets.
Note: Position the DDU so that the ribbon cable connector is near the top
edge of the DDU. Position the DDU so that the connector is at the back of
the DDU shelf.
Attach the DDU to the mounting brackets. Refer to the diagram in step 41.
Press the spring clips on the sliders and slide the DDU back into the frame.
Connect the ribbon and power cables.
Reset the power converter:
a Set the power switch on the converter to ON.
b Press and hold the RESET button on the power converter.
c When the CONVERTER FAIL lamp turns off, release the RESET button.
(continued)
Screw (4)
DDU (front)
Mounting
tray