Rack Installation Instructions; Rack Requirements; Before You Begin - Dell PowerEdge 21DXJ Installation Manual

Rack Installation Instructions

This installation guide provides instructions for trained service technicians
installing a 48-unit (U) rack. Information includes assembling the rack,
coupling two 48-U racks, and routing cables through the rack. The 48-U rack
can be installed using the recommended tools.
Before attempting this installation, you should read through this entire
procedure carefully.

Rack Requirements

CAUTION:
The 48-U rack meets the specifications of American National Standards
Institute (ANSI)/Electronic Industries Association (EIA) standard ANSI/EIA-310-D-92,
Consumer Electronics Association (CEA) Standard CEA-310-E, International
Electrotechnical Commission (IEC) 297, and Deutsche Industrie Norm (DIN) 41494.

Before You Begin

WARNING:
Safety Information," as well as the safety instructions that came with the rack.
WARNING:
procedures for the current system before attempting to install the next system.
WARNING:
casters. The cabinet has no brakes. Use extreme caution while moving the rack
cabinet. Retract the leveling feet when relocating the rack cabinet. Avoid long or
steep inclines, rough surfaces, or ramps where loss of cabinet control may occur.
Extend the leveling feet for support and to prevent the cabinet from rolling.
WARNING:
the casters could cause them to break, and the rack could become unstable and
tip over.
WARNING:
move a fully loaded rack on a slightly uneven floor surface, the rack may become
unstable and tip over.
6
Installation Guide
Before you begin installing your rack, carefully read "Important
When installing multiple systems in a rack, complete all of the
Rack cabinets can be extremely heavy and move easily on the
Avoid rolling the rack cabinet over rough surfaces. Hard impacts to
Do not attempt to move your rack with components installed. If you