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SGI
SGI
®
39U Tall Rack Installation Instructions
007-4994-002 COPYRIGHT
© 2002-2007 SGI. All rights reserved; provided portions may be copyright in third parties, as indicated elsewhere herein. No permission is granted to copy,
distribute, or create derivative works from the contents of this electronic documentation in any manner, in whole or in part, without the prior written permission
of SGI.
LIMITED RIGHTS LEGEND
The electronic (software) version of this document was developed at private expense; if acquired under an agreement with the USA government or any
contractor thereto, it is acquired as commercial computer software subject to the provisions of its applicable license agreement, as specified in (a) 48 CFR
12.212 of the FAR; or, if acquired for Department of Defense units, (b) 48 CFR 227-7202 of the DoD FAR Supplement; or sections succeeding thereto.
Contractor/manufacturer is Silicon Graphics, Inc., 1140 East Arques Avenue, Sunnyvale, CA 940854602.
TRADEMARKS AND ATTRIBUTIONS
Silicon Graphics, SGI, the SGI logo and Altix are registered trademarks and InfiniteStorage is a trademark of SGI, Inc., in the United States and/or other
countries worldwide. All other trademarks mentioned herein are the property of their respective owners. 007-4994-002
iii
Record of Revision
Version
Description
001
June, 2007.

Original publication.
002
November, 2007.
Updated 3-phase PDU drawing and corrected the drawing for single-phase
power receptacle for international sites.
Contents
007-4994-002
v
Contents
Marketing Codes . . . . . . . . . . . . . . . . . . . . . . . 2
Rack System Hardware Setup Safety Measures . . . . . . . . . . . . . . 3
39U Rack Features . . . . . . . . . . . . . . . . . . . . . . . 4
Technical Specifications . . . . . . . . . . . . . . . . . . . . 4
Power Distribution Units . . . . . . . . . . . . . . . . . . . 5
Installing the Rack . . . . . . . . . . . . . . . . . . . . . . . 7
Preinstallation Activities . . . . . . . . . . . . . . . . . . . . 7
Site Plan Verification . . . . . . . . . . . . . . . . . . . 7
Tools Required . . . . . . . . . . . . . . . . . . . . . 8
Single-phase Power Receptacle Verification . . . . . . . . . . . . . 8
3-phase Power Receptacle Verification . . . . . . . . . . . . . . 13
Unloading and Moving System Racks . . . . . . . . . . . . . . . . 16
Unloading the Equipment from the Truck . . . . . . . . . . . . . 16
Inspecting the Shipping Container. . . . . . . . . . . . . . . . 18
Transporting the Shipping Container . . . . . . . . . . . . . . . 19
Unpacking and Installing the Rack . . . . . . . . . . . . . . . . . 19
Positioning and Leveling Racks . . . . . . . . . . . . . . . . . . 22
Contacting the SGI Customer Service Center . . . . . . . . . . . . . . . 23 vi
007-4994-002
Contents 007-4994-002
1
Chapter 1
1.
SGI 39U Rack Installation Instructions
This document guides a knowledgeable user through the unpacking, installation and basic setup
of an SGI 39U rack enclosure (refer to Figure 1-1). If your system is being unpacked and set up
by SGI professional services personnel, set these instructions aside as a reference.
Figure 1-1
SGI 39U Tall Rack 2
007-4994-002
1: SGI 39U Rack Installation Instructions
This document contains the following major topics:

Rack System Hardware Setup Safety Measures on page 3 Preinstallation Activities on page 7 Installing the Rack on page 7 Unloading and Moving System Racks on page 16 Unpacking and Installing the Rack on page 19 Positioning and Leveling Racks on page 22 Contacting the SGI Customer Service Center on page 23
Other SGI documents are available in PDF or other formats, and can be accessed and downloaded
via internet from the SGI publications library.
http://docs.sgi.com
Various formats are available. This library contains the most recent and most comprehensive set
of online books, release notes, man pages, and other information.
Marketing Codes
The following marketing codes are for the SGI 39U tall rack: LSX-RACK-TALL (SGI Altix XE servers) NEXIS-RACK-TALL (SGI InfiniteStorage NAS) LSX-RACK-TALL-EXP (expansion rack)
Refer to on Table 1-2 on page 5 for power distribution unit (PDU) marketing codes. Rack System Hardware Setup Safety Measures
007-4994-002
3
Rack System Hardware Setup Safety Measures
Observe the following safety measures when you install the system: Use caution when you remove the system from the shipping container. Failure to handle the
system carefully can result in personal injury or property damage.
Caution: Ensure that the shipping container is positioned close to its destination before you
unpack the container. Do not move the system while it is connected to power.
Danger:
Keep fingers and conductive tools away from high-voltage areas. Failure to
follow these precautions may result in serious injury or death. The high-voltage areas of the
system are indicated with high-voltage warning labels. Ensure that a qualified site electrician has properly installed the power receptacles. Set all PDU circuit breakers to the OFF (
O
) position before you plug in the system power
cord.
Warning:
Use the following guidelines to prevent the rack from toppling over.
Otherwise, people could be seriously injured and/or equipment could be damaged. Follow these guidelines to prevent a rack from toppling over: Install all equipment in the lowest available position in the rack. Use optional seismic tiedowns where appropriate. Always site the unit on a level surface.
! 4
007-4994-002
1: SGI 39U Rack Installation Instructions
39U Rack Features Cable entry/exit area located in the rear base of the rack. The rack is mounted on four
casters; the two rear casters swivel. The base of the rack has leveling pads, a ground strap,
and seismic tie-downs. I/O and power cables pass through the bottom of the rack. Interconnect cables pass through
the top and sides of the rack. Cable management occurs in the rear of the rack. One, two, or three power distribution units (PDUs) per rack, depending on the number of
components installed. A PDU can be a single-phase power or three-phase power distribution
unit.
Technical Specifications
Table 1-1 lists the technical specifications of the 39U rack.
Table 1-1
39U Rack Specifications
Characteristic
Specification
Height

With trim

Without trim

75.8-in (192 cm)

75.8-in (192 cm)
Width
With trim

Without trim

29.1-in (74 cm)

28.6-in (73 cm)
Depth

With trim

Without trim

43.2-in (115 cm)

40.1-in (102 cm)
Weight of rack (maximum)
1710 lbs (771 kg)
Weight of rack (empty)
346 lbs (157 kg)
Weight of shipping container
262 lbs (119 kg) 39U Rack Features
007-4994-002
5
Power Distribution Units
Each 39U rack supports a maximum of four power distribution units (PDUs). The single-phase
PDUs used on the 39U rack are listed in Table 1-2 and shown in Figure 1-2. The 3-phase PDUs
used on the 39U rack are listed in Table 1-2 and shown Figure 1-3.
Figure 1-2
39U Rack 12-outlet Single-phase PDU
Table 1-2
39U Rack Single-phase PDU Marketing Codes
Single-phase LSX-PDU-220-Z
12 outlet, 30A, 220 VAC PDU (North America)
Single-phase LSX-PDU-AUS-Z
10 outlet, 32A, 220 VAC PDU (Australia, NZ, Arg., China)
Single-phase LSX-PDU-EURO-Z
10 outlet, 32A 220 VAC PDU (