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HP StorageWorks

2312/2324 Modular Smart

Array DC power supply

replacement instructions

© Copyright 2008 Hewlett-Packard Development Company, L.P.

First edition: November, 2008

The information in this document is subject to change without

notice.

Printed in China

www.hp.com

500919-001

About this document

This document details procedures for replacing a failed DC power

supply in an HP StorageWorks 2000 Family Modular Smart Array.

Before you begin

CAUTION:

Parts can be damaged by electrostatic discharge. Use proper

anti-static protection:

•Keep the replacement component in the ESD bag until needed

•Wear an ESD wrist strap grounded to an unpainted surface

of the chassis.

•If an ESD wrist strap is unavailable, touch an unpainted surface

of the chassis before handling the component.

•Never touch connector pins.

Verifying component failure

Check the DC Voltage/Fan Fault/Service Required (bottom) LED:

•Amber = Fault condition

Disconnecting a DC power cable

IMPORTANT:

Use only the DC power cables provided with your product.

1. Verify that the main breaker to the rack is shut off prior to

disconnecting any DC connections.

2. Verify that all enclosure power switches are off.

3. Loosen the cable-locking screws attaching the D-shell connector to

the power supply.

4. Disconnect the power cable from the power supply.

5. Turn on the main breaker to the rack.

Removing a power supply

1. Turn the thumbscrew until it is disengaged from the module.

2. Rotate the latch downward to disconnect the internal connector,

and slide the module out.

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Installing a DC power supply

1. Slide the module into the slot as far as it will go.

2. Press the latch upward to engage the module; turn the thumbscrews

ﬁnger-tight

3. Connect a DC power cable to each power supply using the

D-shell connector. Use the up arrow on the shell to ensure proper

positioning before tightening.

4. Tighten the screws at the top and bottom of the shell with a torque

between 1.7 N-m (15 lb-in) and 2.3 N-m (20 lb-in) to attach the

cable securely to the DC power sources.

5. Turn on the main breaker to the rack.

6. Turn on the enclosure power switches.

Verifying component replacement

After replacing the module, check that the Input Power Good LED is on

and the DC Voltage/Fan Fault/Service Required (bottom) LED is off.

Additional information

See the MSA2000 web site: http://www.hp.com/go/msa2000.

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