Dell PowerEdge 1750 Guide de démarrage rapide

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Dell™ Systems

Rack Installation Guide

Guide d'installation du rack

Rack-Installationsanleitung

ラック取り付けガイド

Guía de instalación del estante

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Dell™ Systems

Rack Installation Guide

5X860et0.fm Page 1 Monday, October 21, 2002 11:48 AM

Notes, Notices, and Cautions

NOTE: A NOTE indicates important information that helps you make better use of your computer.

NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you

how to avoid the problem.

CAUTION: A CAUTION indicates a potential for property damage, personal injury,

or death.

____________________

Information in this document is subject to change without notice.

Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden.

Trademarks used in this text: Dell, the DELL logo, VersaRails, and RapidRails are trademarks of Dell Computer

Corporation.

Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and

names or their products. Dell Computer Corporation disclaims any proprietary interest in trademarks and trade names

other than its own.

October 2002 P/N 5X860 Rev. A00

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Contents 3

Contents

CAUTION: Safety Instructions . . . . . . . . . . . . . . . . . . 1-1

Rack Mounting of Systems

. . . . . . . . . . . . . . . . . . . 1-1

Installation Instructions

. . . . . . . . . . . . . . . . . . . . . . 1-2

Rack Requirements for VersaRails

. . . . . . . . . . . . . . . 1-3

Four-Post Rack Installation

. . . . . . . . . . . . . . . . . . . . 1-3

Before You Begin

. . . . . . . . . . . . . . . . . . . . . . . . 1-3

Recommended Tools and Supplies

. . . . . . . . . . . . . . . . 1-3

RapidRails Rack Kit Contents

. . . . . . . . . . . . . . . . . . 1-4

VersaRails Rack Kit Contents

. . . . . . . . . . . . . . . . . . 1-4

Installation Tasks

. . . . . . . . . . . . . . . . . . . . . . . . 1-5

Removing the Rack Doors

. . . . . . . . . . . . . . . . . . . . 1-5

Marking the Rack

. . . . . . . . . . . . . . . . . . . . . . . 1-6

Installing the RapidRails Slide Assemblies

. . . . . . . . . . . 1-7

Installing the VersaRails Slide Assemblies

. . . . . . . . . . . 1-9

Installing the System in the Rack

. . . . . . . . . . . . . . . 1-10

Installing the Cable-Management Arm

. . . . . . . . . . . . 1-11

Routing Cables

. . . . . . . . . . . . . . . . . . . . . . . . 1-14

Replacing the Rack Doors

. . . . . . . . . . . . . . . . . . . 1-16

Two-Post Rack Installation

. . . . . . . . . . . . . . . . . . . . 1-16

Recommended Tools and Supplies

. . . . . . . . . . . . . . . 1-16

Rack Kit Contents

. . . . . . . . . . . . . . . . . . . . . . 1-17

Two-Post Rack Installation Tasks

. . . . . . . . . . . . . . . 1-17

Marking the Rack

. . . . . . . . . . . . . . . . . . . . . . 1-18

Installing the Slide Assemblies in the Rack

. . . . . . . . . . 1-19

Installing the System in the Rack

. . . . . . . . . . . . . . . 1-25

Installing the Cable-Management Arm

. . . . . . . . . . . . 1-26

Routing Cables

. . . . . . . . . . . . . . . . . . . . . . . . 1-26

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4 Contents

Index

Figures

Figure 1-1. RapidRails Rack Kit Contents . . . . . . . . . 1-4

Figure 1-2. VersaRails Rack Kit Contents

. . . . . . . . . 1-5

Figure 1-3. One Rack Unit

. . . . . . . . . . . . . . . . . 1-6

Figure 1-4. Marking the Vertical Rails

. . . . . . . . . . 1-7

Figure 1-5. Installing the RapidRails Slide Assemblies

. . . 1-8

Figure 1-6. Installing the VersaRails Slide Assemblies

. . . 1-9

Figure 1-7. Installing the System in the Rack

(RapidRails or VersaRails)

. . . . . . . . . 1-11

Figure 1-8. Installing the Cable-Management Arm

. . . 1-12

Figure 1-9. Opening the Wire Covers

. . . . . . . . . . 1-13

Figure 1-10. Installing the Power Cord Strain Relief

. . . 1-14

Figure 1-11. Routing Cables

. . . . . . . . . . . . . . . 1-15

Figure 1-12. Two-Post Rack Kit Components

. . . . . . . 1-17

Figure 1-13. Two-Post, Open-Frame Relay Rack

Universal-Hole Spacing

. . . . . . . . . . . 1-18

Figure 1-14. Two-Post, Open-Frame Relay Rack

Wide-Hole Spacing

. . . . . . . . . . . . . 1-19

Figure 1-15. Installing the Slide Assemblies for

Center-Mount Configuration

. . . . . . . . 1-21

Figure 1-16. Installing the Stiffening Bracket (shown in

3-inch rack position)

. . . . . . . . . . . . 1-22

Figure 1-17. Rotating the Front Mounting Bracket for

Flush-Mount Installation

. . . . . . . . . . 1-23

Figure 1-18. Installing the Slide Assemblies for

Flush-Mount Configuration

. . . . . . . . . 1-24

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Rack Installation Guide 1-1

CAUTION: Safety Instructions

Use the following safety guidelines to help ensure your own personal safety and to help

protect your system and working environment from potential damage. For complete safety

information, see the System Information Guide.

Rack Mounting of Systems

Observe the following precautions for rack stability and safety.

Systems are considered to be components in a rack. Thus, "component" refers to any

system as well as to various peripherals or supporting hardware.

CAUTION: Installing systems in a rack without the front and side stabilizers

installed could cause the rack to tip over, potentially resulting in bodily injury

under certain circumstances. Therefore, always install the stabilizers before

installing components in the rack.

After installing system/components in a rack, never pull more than one

component out of the rack on its slide assemblies at one time. The weight of

more than one extended component could cause the rack to tip over and may

result in serious injury.

NOTE: Your system is safety-certified as a free-standing unit and as a component for

use in a Dell™ rack cabinet using the customer rack kit. The installation of your

system and rack kit in any other rack cabinet has not been approved by any safety

agencies. It is your responsibility to ensure that the final combination of system and

rack complies with all applicable safety standards and local electric code

requirements. Dell disclaims all liability and warranties in connection with such

combinations.

• System rack kits are intended to be installed in a rack by trained service technicians. If

you install the kit in any other rack, be sure that the rack meets the specifications of a

Dell rack.

CAUTION: Do not move racks by yourself. Due to the height and weight of the

rack, a minimum of two people should accomplish this task.

• Before working on the rack, make sure that the stabilizers are secured to the rack,

extended to the floor, and that the full weight of the rack rests on the floor. Install

front and side stabilizers on a single rack or front stabilizers for joined multiple racks

before working on the rack.

• Always load the rack from the bottom up, and load the heaviest item in the rack first.

• Make sure that the rack is level and stable before extending a component from the

rack.

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1-2 Rack Installation Guide

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Installation Instructions

This installation guide provides instructions for trained service technicians installing one or

more systems in a rack cabinet or in an open-frame relay rack. The RapidRails™ rack kit can

be installed in all the system manufacturer’s rack cabinets without tools, and the

VersaRails™ rack kit can be installed in most industry-standard rack cabinets. The

procedures for installing both RapidRails and VersaRails rack kits are similar. One rack kit is

required for each system to be installed in the rack cabinet.

This guide includes procedures for the following rack kits:

• RapidRails kit in a four-post rack cabinet

• VersaRails kit in a four-post rack cabinet

• Two-post kit (installed in either center-mount or flush-mount configuration)

For ease in troubleshooting and the identification of system health, some rack kits include a

status-indicator cable assembly that extends the information from the two-color status

indicators on the front and back panels to the back of the cable-management arm. For more

information on these indicators, see the User’s Guide.

Before attempting this installation, you should read through this entire document carefully.

CAUTION: Do not install rack kit components designed for another system. Use

only the rack kit for your system. Using the rack kit for another system may

result in damage to the system and personal injury to yourself and to others.

• Use caution when pressing the component rail release latches and sliding a

component into or out of a rack; the slide rails can pinch your fingers.

• After a component is inserted into the rack, carefully extend the rail into a locking

position, and then slide the component into the rack.

• Do not overload the AC supply branch circuit that provides power to the rack. The

total rack load should not exceed 80 percent of the branch circuit rating.

• Ensure that proper airflow is provided to components in the rack.

• Do not step on or stand on any component when servicing other components in a

rack.

CAUTION: Safety Instructions (continued)

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Rack Installation Guide 1-3

Rack Requirements for VersaRails

NOTICE: The VersaRails rack kit is intended to be installed by trained service technicians in a

rack that meets the specifications of American National Standards Institute (ANSI)/Electronic

Industries Association (EIA) standard ANSI/EIA-310-D-92, International Electrotechnical

Commission (IEC) 297, and Deutsche Industrie Norm (DIN) 41494. One rack kit is required for

each system that is installed in a rack.

Four-Post Rack Installation

Before attempting this installation, you should read through this entire procedure carefully.

Before You Begin

Before you begin installing your system in the rack, carefully read "Safety Instructions" as

well as the safety instructions found in your system’s System Information document for

additional information.

CAUTION: When installing multiple systems in a rack, complete all of the

procedures for the current system before attempting to install the next system.

CAUTION: Rack cabinets can be extremely heavy and move easily on their

casters. They have no brakes. Use extreme caution while moving the rack

cabinet. Retract the leveling feet when relocating the rack cabinet. Avoid long

or steep inclines or ramps where loss of cabinet control may occur. Extend the

leveling feet for support and to prevent the cabinet from rolling.

NOTE: For instructions on installing the system itself, see "Installing the System in the Rack."

Important Safety Information

Observe the safety precautions in the following subsections when installing your system in

the rack.

CAUTION: You must strictly follow the procedures in this document to protect

yourself as well as others who may be involved. Your system may be very large

and heavy and proper preparation and planning are important to prevent injury

to yourself and to others. This becomes increasingly important when systems are

installed high up in the rack.

Recommended Tools and Supplies

You may need the following tools and supplies to install the system in a four-post rack:

• #2 Phillips screwdriver

• Masking tape or a felt-tip pen, for use in marking the mounting holes to be used

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1-4 Rack Installation Guide

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RapidRails Rack Kit Contents

The RapidRails rack kit includes the following items (see Figure 1-1):

• One pair of RapidRails slide assemblies

• One cable-management arm

• Two stop blocks (left and right)

• One status-indicator cable assembly

• Releasable tie wraps (not shown in Figure 1-1)

Figure 1-1. RapidRails Rack Kit Contents

VersaRails Rack Kit Contents

The VersaRails rack kit includes the following items (see Figure 1-2):

• One pair of VersaRails slide assemblies

• One cable-management arm

• Two stop blocks (left and right)

• One status-indicator cable assembly

• Ten 10-32 x 0.5-inch flange-head Phillips screws

• Releasable tie wraps (not shown in Figure 1-2)

NOTE: The nonmetric screws described in illustrations and in procedural steps are

identified by size and number of threads-per-inch. For example, a #10 Phillips-head

screw with 32 threads per inch is identified as a 10-32 screw.

slide assemblies (2)

cable-management arm

stop blocks (2)

status-indicator cable

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Rack Installation Guide 1-5

Figure 1-2. VersaRails Rack Kit Contents

Installation Tasks

Installing a rack kit involves performing the following tasks in their numbered order:

1 Removing the rack doors

2 Marking the rack

3 Installing the slide assemblies in the rack

• RapidRails slide assemblies

• VersaRails slide assemblies

4 Installing the system in the rack

5 Installing the cable-management arm

6 Routing cables

7 Replacing the rack doors

Removing the Rack Doors

See the procedures for removing doors in the documentation provided with your rack

cabinet.

CAUTION: Because of the size and weight of the rack cabinet doors, never

attempt to remove or install them by yourself.

CAUTION: Store the two doors where they will not injure someone if the doors

accidently fall over.

slide assemblies (2)

10-32 x 0.5-inch flange-head

Phillips screws (10)

cable-management arm

stop blocks (2)

status-indicator cable

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1-6 Rack Installation Guide

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Marking the Rack

You must allow 1 U (44 mm, or 1.75 inches) of vertical space for each system you install in

the rack. Rack cabinets that meet EIA-310 standards have an alternating pattern of three

holes per rack unit with center-to-center hole spacing (beginning at the top hole of a 1-U

space) of 15.9 mm, 15.9 mm, and 12.7 mm (0.625 inch, 0.625 inch, and 0.5 inch) for the

front and rear vertical rails (see Figure 1-3). Rack cabinets may have round or square holes.

NOTE: The vertical rails may be marked by horizontal lines and numbers in 1-U

increments. If you wish, you can make a note of the number marking on the rack’s

vertical rail. It is not necessary to mark or place tape on the rack. If you choose this

method, skip ahead to the procedure "Installing the RapidRails Slide Assemblies."

Figure 1-3. One Rack Unit

CAUTION: If you are installing more than one system, install the slide assemblies

so that the first system is installed in the lowest available position in the rack.

To mark the rack, perform the following steps:

1 Place a mark on the rack’s front vertical rails where you want to locate the bottom of

the system you are installing in the rack cabinet.

The bottom of each 1-U space is at the middle of the narrowest metal area between

holes (marked with a horizontal line on some rack cabinets—see Figure 1-3).

1 U (44 mm or 1.75 inches)

12.7 mm (0.5 inch)

15.9 mm (0.625 inch)

12.7 mm (0.5 inch)

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Rack Installation Guide 1-7

2 Place a mark 44 mm (1.75 inches) above the original mark you made (or count up

three holes in a rack that meets EIA-310 standards) and mark the rack’s front vertical

rails with a felt-tipped marker or masking tape (if you counted holes, place a mark just

above the top hole).

This mark or piece of tape indicates where the system’s upper edge will be located on

the vertical rails (see Figure 1-4).

Figure 1-4. Marking the Vertical Rails

Installing the RapidRails Slide Assemblies

1 At the front of the rack cabinet, position one of the RapidRails slide assemblies so that

its mounting-bracket flange fits between the marks or tape you placed on the rack (see

Figure 1-5).

The mounting hook on the slide assembly’s front mounting bracket flange should

enter the top hole between the marks you made on the vertical rails.

2 Push the slide assembly forward until the mounting hook enters its respective square

hole on the vertical rail, and then push down on the mounting-bracket flange until the

mounting hooks seat in the square holes and the push button pops out and clicks.

tape on

vertical rail

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1-8 Rack Installation Guide

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3 At the back of the cabinet, pull back on the mounting-bracket flange until the

mounting hooks are located in their respective square holes, and then push down on

the mounting-bracket flange until the mounting hooks seat in the square holes and

the push button pops out and clicks.

4 Repeat steps 1 through 3 for the slide assembly on the other side of the rack.

5 Ensure that the rails are mounted at the same position on the vertical rails on each

side of the rack.

Figure 1-5. Installing the RapidRails Slide Assemblies

front of rack

slide assemblies (2)

mounting hook

push button

mounting-bracket

flange

support tab

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Rack Installation Guide 1-9

Installing the VersaRails Slide Assemblies

1 At the front of the rack cabinet, position one of the VersaRails slide assemblies so that

its mounting-bracket flange fits between the marks or tape (or numbered location) on

the rack (see Figure 1-6).

The three holes on the front of the mounting bracket should align with three of the

holes between the marks you made on the front vertical rail.

2 Install two 10-32 x 0.5-inch flange-head Phillips screws in the mounting flange’s top

and bottom holes to secure the slide assembly to the front vertical rail (see Figure 1-6).

3 At the back of the cabinet, pull back on the mounting-bracket flange until the

mounting holes align with their respective holes on the back vertical rail.

4 Install three 10-32 x 0.5-inch flange-head Phillips screws in the back mounting holes to

secure the slide assembly to the back vertical rail.

Figure 1-6. Installing the VersaRails Slide Assemblies

front of rack

slide assemblies (2)

10-32 x 0.5-inch

flange-head Phillips

screws (5 per slide

assembly)

mounting-bracket flange

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1-10 Rack Installation Guide

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5 Repeat step 1 through step 4 for the slide assembly on the other side of the rack.

6 Ensure that the slide assemblies are mounted at the same position on the vertical rails

on each side of the rack.

Installing the System in the Rack

CAUTION: If you are installing more than one system, install the first system in

the lowest available position in the rack.

CAUTION: Never pull more than one component out of the rack at a time.

1

Pull the two slide assemblies out of the rack until they lock in the fully extended

position.

CAUTION: Because of the size and weight of the system, never attempt to install

the system in the slide assemblies by yourself.

2

Remove the system front bezel:

a Unlock the keylock.

b Press the right- and left-end tabs.

c Pull the bezel away from the system.

3 Lift the system into position in front of the extended slides.

4 Place one hand on the front-bottom of the system and the other hand on the back-

bottom of the system.

5 Tilt the back of the system down while aligning the back shoulder screws on the sides

of the system with the back slots on the slide assemblies.

6 Engage the back shoulder screws into their slots.

7 Lower the front of the system and engage the front shoulder screws in the front slot

behind the system release latch (see Figure 1-7).

The system release latch will move forward and then snap back as the shoulder screw

passes into the front slot.

Use this system release latch when you wish to remove the system from the slide

assemblies.

8 Press the slide release latch at the side of each slide and push the system completely

into the rack (see Figure 1-7).

9 Push in and turn the captive thumbscrews on each side of the front chassis panel to

secure the system to the rack.

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Rack Installation Guide 1-11

Figure 1-7. Installing the System in the Rack (RapidRails or

VersaRails)

Installing the Cable-Management Arm

NOTICE: The cable-management arm can be installed on the right- or left-side of the

rack cabinet. This procedure describes installing the cable-management arm in the

right side of the rack cabinet, as viewed from the back. If you are installing several

systems in the rack, consider installing the cable-management arms on alternating

sides of the rack for ease in cable routing.

shoulder screw on

system

system release

latch

slide release

latch

thumbscrews (2)

bezel

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1-12 Rack Installation Guide

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To install the cable-management arm on the back of the system, perform the following

steps:

1 Facing the back of the rack cabinet, locate the latch on the end of the right slide

assembly that you secured to the back vertical rail.

2 Push the tab on the back end of the cable-management arm into the latch on the end

of the slide assembly (see Figure 1-8).

The latch clicks when locked.

3 Push the tab on the front end of the cable-management arm into a mating latch on

the inner segment of the slide assembly (see Figure 1-8).

The latch clicks when locked.

Figure 1-8. Installing the Cable-Management Arm

latch on inner segment

of slide assembly

stop block

cable-management arm

latch on end of slide assembly

tab on front end

tab on back end

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Rack Installation Guide 1-13

4 Install a stop block on the latch on the end of the opposite slide assembly (see

Figure 1-8).

The stop block prevents the cable-management arm from moving backward and

supports the weight of the arm with its load of installed cables.

The rack kit has two stop blocks: one for right-side mounting and one for left-side

mounting. You can only install the proper stop block.

5 Install the status-indicator cable plug into its connector.

6 Open the wire covers on the cable-management arm by lifting the center of the wire

over the top of the embossed round button on the front of the forward part of the arm,

and lifting the wire over the top of a similar round button on the back part of the arm.

The wire cover swings open to enable cables to be routed within the arm.

Figure 1-9. Opening the Wire Covers

status-indicator cable plug

wire covers in

open position

status indicator

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1-14 Rack Installation Guide

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7 Route the status-indicator end of the cable assembly through the cable-management

arm, and install the indicator in its slot at the back end of the cable-management arm

(see Figure 1-9).

8 Connect the power cords to their receptacles on the back panel.

NOTICE: Although the strain-relief can accommodate power cords with a bend radius

of up to 19 mm (0.75 inch), the system manufacturer recommends that you only use

the power cords provided with the system.

9

Install a tie-wrap through the slot on the strain-relief tab (see Figure 1-10).

10 Bend the power cords back beside the power receptacle housing, forming a tight loop,

and install the strain-relief tie-wrap loosely around the looped power cords (see

Figure 1-10).

Figure 1-10. Installing the Power Cord Strain Relief

Routing Cables

1 Attach the I/O cable connectors to their respective connectors on the system back.

For details on cable connections, see your system’s Installation and Troubleshooting

Guide and the User’s Guide.

power cord strain-relief tab and tie wrap

power cord plug

power receptacle housing

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