Nortel North American DMS-100 Instruction Manual page 133

1-118 Trouble locating and clearing procedures (continued)
Replacing a 14-in. disk drive unit
20
21
22
23
24
25
26
297-8021-544 Standard 14.02 May 2001
If the DDU
is not a DMS-100P and the DDU
is on shelf 32
is in a packaged core power
module (PCPM) or a packaged
core memory module (PCMM)
frame on a DMS-100P switch
package
Remove fuse F03.
Go to step 25.
Remove fuse F02.
Go to step 25.
Remove fuse F01.
Go to step 25.
Contact your next level of support to obtain the correct fuse numbers.
Remove the FSP fuse from the PCPM or PCMM.
Remove the panel that covers the DDU. To locate the mounting screws, refer
to the diagram at the beginning of these instructions.
Carefully slide the DDU out of the frame until the DDU stops. Spring clips on
the sides of the slide rails cause the DDU to stop.
(continued)
Do
step 22
step 23
Spring clip
(two)