Avaya Octel 200 Installation And Maintenance Manual page 507

Octel 300 Disk Drive Backplane Replacement
The disk drive backplanes provide communication and DC power buses from the motherboard to the disk
drive assembly. There are two disk drive backplanes, one for shelf B and one for shelf C.
Disk Drive
Backplane,
Shelf B
Disk Drive
Backplane,
Shelf C
Caution!
.
The following replacement procedures provide steps for removing and installing disk drive
backplanes. Before proceeding, make sure to determine which backplane is faulty.
PB60019−01
Figure 9-29 Octel 300 Disk Drive Backplanes
Disk drive backplane are sensitive to static
electricity. Do not attempt the following procedures
without wearing an antistatic wrist strap.
The disk drive backplane is sensitive to rough
handling. Care should be taken to handle it as gently
as possible.
Hardware Replacement 9-57
Octel 200/300 S.4.1