4. Attach the power-supply nut and tighten it securely.
5. Connect the power cable to the power supply ac connector.
6. Plug the supply power cable into a properly grounded electrical outlet.
7. Turn the power supply switch to the on position.
Replacing a failed hot-swap ESM
This section describes the removal and replacement procedure for a failed hot-swap
ESM. Complete the following steps to remove a failed ESM:
1. Check the storage-management software online help for instructions on ESM
failure-recovery procedures. Follow the steps provided before continuing to
step 2.
2. Label each cable to ensure that all cables are properly connected to the new
ESM.
3. Label the SFP modules when you remove them. You must install the SFP
modules in the same positions on the new ESM.
4. Remove the SFP modules and Fibre Channel cables from the failed ESM.
Attention:
Be careful not to bend the Fibre Channel cables at a sharp angle
or pinch them with objects. This can decrease the performance or cause data
loss.
5. Be sure the Fault indicator LED is lit; then, push down on the ESM latch. The
ESM levers will pop out of the locked position as shown in Figure 42.
6. Grasp the pull-rings and pull out on the levers; then, remove the ESM.
1 Gb/s
2 Gb/s
X10
X1
Tray Number
Conflict
Strain relief clamps
AC power connectors
AC power switches
Figure 41. Connecting the power supply
Latch
Figure 42. Removing the failed ESM
Chapter 3. Installing and replacing devices
45
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