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Handle

Power supply

Dc power LED

Ac power LED

b. Gently lift the handle up until it clicks. This signals that the power supply is securely seated in the

bay.

2. Connect the power cord for the new power supply to the power-cord connector on the power supply.

3. Reconnect the power cord and turn on the 2145 UPS-1U.

4. Turn on the node.

5. Make sure that the power-supply fan starts and the ac power LED

and dc power LED

(shown in Figure 165) on the power supply are lit, indicating that the power supply is operating

correctly.

Removing the power backplane

The SAN Volume Controller power backplane might have to be removed.

Removing the SAN Volume Controller 2145-8G4 power backplane

This topic describes how to remove the SAN Volume Controller 2145-8G4 power backplane.

Take precautions to avoid damage from static electricity. Wear an anti-static wrist strap and use a

static-protected mat or surface. For more information, see “Handling static-sensitive devices” on page xix.

Perform the following steps to remove the power backplane:

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 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.

svc00105

Figure 165. SAN Volume Controller 2145-8F2 or SAN Volume Controller 2145-8F4 ac and dc power LEDs

154 IBM SAN Volume Controller Hardware Maintenance Guide

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IBM SAN Volume Controller Specifications

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