Removing And Replacing A Power Supply; Esd Precautions - Sun Microsystems Storage J4400 Array Replacement Manual

Removing and Replacing a Power
Supply
This document describes replacement procedures for the power supply customer
replaceable unit (CRU) installed in the Sun Storage J4400 Array. This document
assumes you have:
Identified the tray containing the failed power supply.
■
Received the replacement power supply.
■
This product is intended for restricted access whereby access is controlled through
the use of a means of security (for example, key, lock, tool, badge access), and
personnel authorized for access have been instructed on the reasons for the
restrictions and any precautions that need to be taken.

ESD Precautions

When performing this service action, observe the following electrostatic discharge
(ESD) precautions:
Remove all plastic, vinyl, and foam material from the work area.
■
Wear an antistatic wrist strap at all times when handling any CRU.
■
Before handling any CRU, discharge any static electricity by touching a grounded
■
surface.
Do not remove a CRU from its antistatic protective bag until you are ready to
■
install it.
After removing a CRU from the cabinet, immediately place it in an antistatic bag
■
or antistatic packaging.
Handle any card that is part of a CRU only by its edges and avoid touching the
■
components or circuitry.

Removing and Replacing a Power Supply

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