Removing the SAN Volume Controller 2145-8A4 operator-information panel cable
Use these instructions when you are prompted to remove the operator-information panel cable from the
SAN Volume Controller 2145-8A4.
Make careful note of the layout of the cables as you go through this procedure as they will need
replacing in the same position when you replace the operator-information panel cable.
Attention:
It is easier to remove the operator-information panel cable if you first remove the service
controller, disk drive, and the back plate. If you decide to do that, see “Removing the disk drive” on page
99 before using this procedure.
Perform the following steps to remove the operator-information panel cable:
1.
Turn off the node while ensuring that its data is mirrored and synchronized. See MAP 5350 in the
IBM System Storage SAN Volume Controller 2145 Troubleshooting Guide
for more information.
2.
Remove the cable-retention bracket and disconnect the power cable. To make sure that you can
replace all cables in the same ports from which they were removed, record the position of all
fibre-channel and Ethernet cables; then remove all external cables from the node. See “Removing the
cable-retention bracket” on page 29.
3.
Remove the node from the rack and place it on a flat, static-protective surface. See “Removing the
SAN Volume Controller from a rack” on page 40.
4.
Optionally, remove the service controller and pull the disk drive slightly out of the node to
disengage it from the back plate. You can then lift the back plate out of the way when you remove
the cable.
5.
6.
Disconnect the light-panel cable
1
and the USB cable
2
from the operator-information panel
board shown in Figure 227.
7.
The operator-information panel cable consists of two thick cables and a number of thinner cables
that are bundled together and routed through the chassis. It provides connectivity for the
operator-information panel and the front USB ports. Trace this cable assembly through to the right
Figure 227. SAN Volume Controller 2145-8A4 operator-information panel
Chapter 2. Removing and replacing parts
205
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