HP Cluster Platform Hardware Kits v2010 HP 16/18-Port Cable Management Kit Ins - Page 12

Removing InfiniBand Cables and Switches

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4 Removing InfiniBand Cables and Switches This chapter describes the procedure to remove a damaged InfiniBand cable or InfiniBand switch for repair. 4.1 Removing a Damaged Cable From the c-Class Cable Management Bracket To remove a damaged cable, follow these steps: 1. Bring the HP BladeSystem c-Class enclosure to an appropriate state for service as described in the HP BladeSystem c7000 Enclosure Maintenance and Service Guide on the HP website: http://h20000.www2.hp.com/bc/docs/support/SupportManual/c00714237/ c00714237.pdf 2. To release the InfiniBand cable from the releasable cable tie, use your finger or a small flat-headed screw driver to push down on the small tab inside the cable tie lock (see callout 1 in Figure 7). Figure 7 Cable Tie Release Tab 1 Note: The release tab is very small and might be difficult to reach with your finger. Use a small flat-headed screw driver to push the tab down to release the cable tie. Also, because there are several cables, removal of an InfiniBand cable in the middle portion of the switch might be difficult without the use of needle nose pliers and a small flat-headed screw driver. Be very careful not to damage other InfiniBand cables while using pliers or a screw driver. 3. Remove the InfiniBand cable from the switch. To remove the InfiniBand cable, pull the release tab on the QSFP connector while using your other hand to remove the connector from the switch. For more information on how to remove an InfiniBand cable from the switch, see the HP BLc QLogic 4X QDR InfiniBand Switch Installation Guide. 4.2 InfiniBand Switch Removal Put the rack cabinet into a safe and stable state for component removal. You must ensure that you can reach the component easily and handle it safely. To remove the InfiniBand switch, follow these steps: 1. Bring the HP BladeSystem c-Class enclosure to an appropriate state for service as described in the HP BladeSystem c7000 Enclosure Maintenance and Service Guide on the HP web site: http://h20000.www2.hp.com/bc/docs/support/SupportManual/c00714237/ c00714237.pdf 2. Remove all of the InfiniBand cables from the InfiniBand switch, but leave them secured in the cable management bracket. 3. Remove the cable management bracket from the rack's rear mounting rails. 12 Removing InfiniBand Cables and Switches

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4 Removing InfiniBand Cables and Switches
This chapter describes the procedure to remove a damaged InfiniBand cable or InfiniBand switch
for repair.
4.1 Removing a Damaged Cable From the c-Class Cable Management
Bracket
To remove a damaged cable, follow these steps:
1.
Bring the HP BladeSystem c-Class enclosure to an appropriate state for service as described
in the
HP BladeSystem c7000 Enclosure Maintenance and Service Guide
on the HP website:
h
t
tp://h20000.w
w
w2
.hp
.co
m/bc/doc
s/su
ppo
r
t/Su
ppo
r
tMan
ual/c00
7
1
4
2
3
7/
c00
7
1
4
2
3
7
.pdf
2.
To release the InfiniBand cable from the releasable cable tie, use your finger or a small
flat-headed screw driver to push down on the small tab inside the cable tie lock (see callout
1 in
Figure 7
).
Figure 7 Cable Tie Release Tab
1
Note:
The release tab is very small and might be difficult to reach with your finger. Use a small
flat-headed screw driver to push the tab down to release the cable tie. Also, because there
are several cables, removal of an InfiniBand cable in the middle portion of the switch might
be difficult without the use of needle nose pliers and a small flat-headed screw driver.
Be very
careful not to damage other InfiniBand cables while using pliers or a screw driver
.
3.
Remove the InfiniBand cable from the switch. To remove the InfiniBand cable, pull the release
tab on the QSFP connector while using your other hand to remove the connector from the
switch. For more information on how to remove an InfiniBand cable from the switch, see the
HP BLc QLogic 4X QDR InfiniBand Switch Installation Guide
.
4.2 InfiniBand Switch Removal
Put the rack cabinet into a safe and stable state for component removal. You must ensure that you
can reach the component easily and handle it safely.
To remove the InfiniBand switch, follow these steps:
1.
Bring the HP BladeSystem c-Class enclosure to an appropriate state for service as described
in the
HP BladeSystem c7000 Enclosure Maintenance and Service Guide
on the HP web site:
h
t
tp://h20000.w
w
w2
.hp
.co
m/bc/doc
s/su
ppo
r
t/Su
ppo
r
tMan
ual/c00
7
1
4
2
3
7/
c00
7
1
4
2
3
7
.pdf
2.
Remove all of the InfiniBand cables from the InfiniBand switch, but leave them secured in the
cable management bracket.
3.
Remove the cable management bracket from the rack's rear mounting rails.
12
Removing InfiniBand Cables and Switches