Dell PowerEdge SC420 Benutzerhandbuch - Seite 13

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Replacing SC400/SC420 Expansion

Enclosure Components

This section describes how to remove and install components of the SC400/SC420 expansion enclosure.

This information assumes that you have received the replacement component and are ready to install it.

Safety Precautions

Always follow these safety precautions to avoid injury and damage to Storage Center equipment.

If equipment described in this section is used in a manner not specified by Dell, the protection provided

by the equipment could be impaired. For your safety and protection, observe the rules described in the

following sections.

NOTE: See the safety and regulatory information that shipped with each Storage Center

component. Warranty information is included within this document or as a separate document.

Installation Safety Precautions

Follow these safety precautions:

•

Dell recommends that only individuals with rack-mounting experience install the SC400/SC420

expansion enclosure in a rack.

•

Make sure the expansion enclosure is always fully grounded to prevent damage from electrostatic

discharge.

•

When handling the expansion enclosure hardware, use an electrostatic wrist guard (not included) or a

similar form of protection.

The chassis must be mounted in a rack. The following safety requirements must be considered when the

chassis is being mounted:

•

The rack construction must be capable of supporting the total weight of the installed chassis. The

design should incorporate stabilizing features suitable to prevent the rack from tipping or being

pushed over during installation or in normal use.

•

To avoid danger of the rack toppling over, slide only one chassis out of the rack at a time.

Electrical Safety Precautions

Always follow electrical safety precautions to avoid injury and damage to Storage Center equipment.

WARNING: Disconnect power from the expansion enclosure when removing or installing

components that are not hot-swappable. When disconnecting power, first power down the

storage system using the Dell Storage Client and then unplug the power cords from all the power

supplies in the expansion enclosure.