Dell PowerEdge M915 クイックスタートガイド

Rack Installation Guide

Guide d'installation du rack

Rack-Installationsanleitung

ラック取り付けガイド

Guía de instalación del rack

Rack Installation Guide

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 Inc. is strictly

forbidden.

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

of Dell Inc.

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 Inc. disclaims any proprietary interest in trademarks

and trade names other than its own.

August 2007 P/N DX845 Rev. A00

Contents 3

Contents

Safety Instructions . . . . . . . . . . . . . . . . . . . . 5

SAFETY: Rack Mounting of Systems

. . . . . . . . . 5

General Installation Instructions

. . . . . . . . . . . . . 6

Before You Begin

. . . . . . . . . . . . . . . . . . . 7

Important Safety Information

. . . . . . . . . . . . 7

Rack Requirements for VersaRails

. . . . . . . . . . 7

Rack Stabilizer Feet

. . . . . . . . . . . . . . . . . 8

Installation Tasks

. . . . . . . . . . . . . . . . . . . 8

Recommended Tools and Supplies

. . . . . . . . . 8

RapidRails Rack Kit Contents

. . . . . . . . . . . . 9

VersaRails Rack Kit Contents

. . . . . . . . . . . 10

Removing the Rack Doors

. . . . . . . . . . . . . . . . 11

Marking the Rack

. . . . . . . . . . . . . . . . . . . . 11

Installing the RapidRails Assemblies

. . . . . . . . . 14

Installing the VersaRails Assemblies . . . . . . . . . . 16

Installing the System in the Rack

. . . . . . . . . . . . 18

Routing and Managing Cables

. . . . . . . . . . . . . 20

Installing the Strain-Relief Bar

. . . . . . . . . . . 20

Connecting and Bundling the Cables

. . . . . . . 22

Replacing the Rack Doors

. . . . . . . . . . . . . . . 24

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

4 Contents

Rack Installation Guide 5

Safety Instructions

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

to help protect your system and working environment from potential damage.

For complete safety and regulatory information, see the

Product Information

Guide

that shipped with your system. Warranty information might be included

in this document or as a separate document.

SAFETY: Rack Mounting of Systems

Observe the following precautions for rack stability and safety. Also refer to

the rack installation documentation accompanying the system and the rack for

specific caution statements and procedures.

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: Before installing systems in a rack, install front and side stabilizers on

stand-alone racks or the front stabilizer on racks joined to other racks. Failure to

install stabilizers accordingly before installing systems in a rack could cause the

rack to tip over, potentially resulting in bodily injury under certain circumstances.

Therefore, always install the stabilizer(s) 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.

6 Rack Installation Guide

• 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.

• 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.

• 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.

General Installation Instructions

This installation guide provides instructions for trained service technicians

installing one or more systems in a rack cabinet. The RapidRails™ configuration

can be installed without tools in manufacturer's rack cabinets that have square

holes; the VersaRails™ configuration can be installed in most industry-standard

rack cabinets that have square or round holes. One rack kit is required for each

system to be installed in the rack cabinet.

Rack Installation Guide 7

Before You Begin

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

Instructions" on page 5, as well as the safety instructions found in your

Product Information Guide

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 do not have 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" on page 18.

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 precaution becomes increasingly important when

systems are installed high up in the rack.

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.

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 the Consumer Electronics

Association (CEA) standard CEA-310-E, 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.

8 Rack Installation Guide

Rack Stabilizer Feet

CAUTION: Before installing systems in a rack, install front and side stabilizers on

stand-alone racks or the front stabilizer on racks joined to other racks. Failure to

install stabilizers accordingly before installing systems in a rack could cause the

rack to tip over, potentially resulting in bodily injury under certain circumstances.

Therefore, always install the stabilizer(s) before installing components in the rack.

The stabilizer feet help prevent the rack from tipping over. See the

documentation provided with the rack cabinet for instructions on installing

and anchoring the stabilizer feet.

Installation Tasks

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

order:

1

Removing the rack doors

2

Marking the rack (if necessary)

3

Installing the rail assemblies in the rack:

• RapidRails installation

• VersaRails installation

4

Installing the system in the rack

5

Routing and managing data cables

• Installing the strain-relief bar

• Using the I/O cable enumerators

6

Replacing the rack doors

Recommended Tools and Supplies

• A #2 Phillips screwdriver

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

to be used

• A measuring ruler or tape measure

Rack Installation Guide 9

RapidRails Rack Kit Contents

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

• One pair of RapidRails assemblies

• One strain-relief bar

• Cage nuts (2)

• I/O cable enumerators (12)

• Velcro tie wraps (15)

• Four 10-32 x 0.5-inch flange-head Phillips screw

NOTE: Each rack kit contains the maximum number of Velcro tie wraps and I/O

cable enumerators that you will need for a fully loaded system.

Figure 1-1. RapidRails Rack Kit Contents

1 RapidRails

assemblies

2 I/O cable enumerators (12) 3 strain-relief bar

4 Velcro tie wraps

(15)

5 flange-head 10-32 x 0.5-inch

Phillips screws (4)

6 cage nuts (2)

3

1

2

4

6

5

10 Rack Installation Guide

VersaRails Rack Kit Contents

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

• One pair of VersaRails assemblies

• One strain-relief bar

• Clip nuts (2)

• I/O cable enumerators (12)

• Velcro tie wraps (15)

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

NOTE: Each rack kit contains the maximum number of Velcro tie wraps and I/O

cable enumerators you will need for a fully loaded system.

NOTE: Nonmetric screws are identified in this document 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.

Figure 1-2. VersaRails Rack Kit Contents

1 VersaRails

assemblies

2 I/O cable enumerators (12) 3 strain-relief bar

4 Velcro tie wraps

(15)

5 flange-head 10-32 x 0.5-inch

Phillips screws (12)

6 clip nuts (2)

3

1

2

4

6

5

Rack Installation Guide 11

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.

Marking the Rack

You must allow 10 U (44.45 cm or 17.5 inches) of vertical space for each system

you install in the rack (see Figure 1-3).

NOTE: Your rack may already be marked and not require this procedure.

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

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

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).

12 Rack Installation Guide

Figure 1-3. One Rack Unit

2

Mark the rack’s front vertical rails with a felt-tipped pen or masking tape

approximately 44.45 cm (17.5 inches) above the original mark you made

(or count up 30 holes in a rack that meets CEA-310-E standards).

(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).

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)

Rack Installation Guide 13

Figure 1-4. Marking the Vertical Rails

1 tape on vertical rails

1

14 Rack Installation Guide

Installing the RapidRails Assemblies

1

At the front of the rack cabinet, position one of the RapidRails assemblies

so that its mounting-bracket flange fits in the appropriate location on the

rack (see Figure 1-5).

The lower mounting tab on the rail assembly’s front-mounting bracket

flange should enter the tenth hole up from the lower mark on the vertical

rails (see Figure 1-5).

2

Push the rail assembly forward until the top mounting tab enters the

square hole, which is located 4-U spaces below the upper marks or tape

you placed on the vertical rail (see Figure 1-5).

3

Next, push down on the mounting-bracket flange until the mounting tabs

seat in the square holes and the push button pops out and clicks

(see Figure 1-5).

4

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

the mounting tabs are in the appropriate holes, and then push down on

the flange until the mounting tabs seat in the square holes and the push

button pops out and clicks.

5

Repeat step 1 through step 4 for the rail assembly on the other side

of the rack.

NOTE: Ensure that the rails are mounted at the same vertical position on both

sides of the rack.

Rack Installation Guide 15

Figure 1-5. Installing the RapidRails Assemblies

1 upper mounting tab 2 push button 3 lower mounting tab

4 rail-assembly mounting-

bracket flange

5 rail assemblies (2)

1

front of rack

5

4

2

3

16 Rack Installation Guide

Installing the VersaRails Assemblies

1

At the front of the rack cabinet, place a VersaRails assembly so that its

mounting-bracket flange fits between the marks or tape (or numbered

location) on the rack (see Figure 1-6).

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

between the marks on the front vertical rail.

NOTE: The VersaRails occupy only the lower 6-U of the 10-U space that is

required for this system.

2

Locate the round mounting hole indicated by the tooled arrow cutout

on the VersaRails (see Figure 1-6).

3

Install two 10-32 x 0.5-inch flange-head Phillips screws in the front

mounting flange to secure the rail assembly to the front vertical rail.

See Figure 1-6.

• The upper mounting screw should be installed in the middle round

hole of the 6th-U space counting up from the bottom of the 10-U

space.

• The lower mounting screw should be installed in the middle round

hole of the 1st-U space counting up from the bottom.

NOTE: The two midsection round holes on the VersaRails are for securing

your system to the rack. To assemble the VersaRails, use only the round holes

indicated by the two tooled arrow cutouts (see Figure 1-6).

4

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.

5

Install two 10-32 x 0.5-inch flange-head Phillips screws in the back

mounting flange to secure the rail assembly to the back vertical rail.

6

Repeat step 1 through step 5 for the rail assembly on the other side

of the rack.

NOTE: Ensure that the rails are mounted at the same vertical position on both

sides of the rack.

Rack Installation Guide 17

Figure 1-6. Installing the VersaRails Rail Assemblies

1 rail-assembly mounting-

bracket flange

2 tooled arrow cutouts (2) 3 vertical rails

4 Phillips screws (2) 5 rail assemblies (2)

1

front of rack

3

4

5

2

18 Rack Installation Guide

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.

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

the system in the rack by yourself.

CAUTION: It is recommended that more than one person assist in lifting

the system.

NOTICE: It is recommended that you use a lift table to aid in installing the system

in the rack, particularly if the rail assemblies are more than waist-high.

NOTICE: When you are lifting and installing your system in the rack, avoid grasping

the LCD module on the front of the system as this part is fragile. See Figure 1-7.

NOTE: If you are transporting a system that is already installed in the rack, ensure

that the two rack stabilizer mounting brackets are in place.

• Locate the lower clinch nut holes on either side of the rack just below

the default position for the strain-relief bar.

• To identify the default position of the strain-relief bar and the attachment points

for the stabilizer mounting brackets, see Figure 1-8.

1

Remove all blades, rear modules, power supplies, and fans before installing

your system in the rack.

2

Lift the system into position to install it in the rack.

It is recommended that more than one person assist in lifting the system.

3

Guide the system into the rack and lower the system onto the rail

assemblies (see Figure 1-7).

4

Tighten the thumbscrews on the chassis front panel.

5

Reinstall the blades, rear modules, power supplies, and fans.

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