Reliant Octel 200 and Octel 300 Message Servers PB6001401 - Manual (Page 478)

9-46 Installation and Maintenance Volume
Octel Overture 200/300 Serenade 3.0 PB60014–01
Octel Overture 300 Disk-Drive Backplane Replacement
The disk-drive backplanes provide communication and d.c. 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.
Figure 9-27 Octel Overture 300 Disk-Drive Backplanes
DiskĆDrive
Backplane,
Shelf B
DiskĆDrive
Backplane,
Shelf C
The following replacement procedures provide steps for removing and installing disk-drive backplanes.
Before proceeding, make sure to determine which backplane is faulty.
Caution!
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.