3Com CoreBuilder 9000 Manuale utente

7-Slot Chassis Quick

Installation Guide

For the CoreBuilder™9000 Enterprise Switch

Read this document before you attempt to install the 7-slot chassis

(Model Number 3CB9E7).

This guide is intended for the system or network administrator who is

responsible for installing and managing the network hardware.

WARNING: The CoreBuilder™9000 chassis must be installed, removed,

or replaced only by trained service personnel. Do not attempt to install,

remove, or replace a CoreBuilder 9000 chassis if you have not had the

proper training from 3Com. For a complete guide to 3Com’s training

offerings, call 1-800-NET-3COM, then press option 2. Outside the

United States, contact your local 3Com office.

This document explains how to unpack and install a CoreBuilder 9000

7-slot chassis.

WARNING: You can install the CoreBuilder 9000 7-slot chassis on a

table or a shelf, or into a rack. To minimize the risk of personal injury

or equipment damage, 3Com recommends that at least two people

perform a chassis installation.

For additional chassis preinstallation information, read Appendix C in

the CoreBuilder 9000 Enterprise Switch Getting Started Guide.

27-SLOT CHASSIS QUICK INSTALLATION GUIDE

Figure 1 illustrates the procedures to perform in this document.

Figure 1 CoreBuilder 9000 Enterprise Switch 7-slot Chassis Setup Tasks

You can order the following optional items through 3Com:

■Cable management device (Model Number 3CB9EC7)

■Alternate position rack-mount flange kit (Model Number 3CBEK)

Install the

Alternate Rack-mount

Flanges (optional)

Unpack the

CoreBuilder 9000

7-slot Chassis

Read the

Preinstallation

Guidelines (later in

this guide) 2

Install the Chassis

• In a rack

• On a table or shelf

CoreBuilder™9000 7-slot Chassis

Install the

Cable Management

Device (optional)

CoreBuilder9000

7-Slot Chassis Quick Installation Guide 3

Unpacking

Instructions

Follow these steps:

1Place the chassis shipping box near the rack, the table, or the shelf

where you plan to install the chassis.

2Cut the tape that covers the seam on the top of the box.

WARNING: Safety regulations state that the selected table, shelf, or

rack must be able to support at least three times the weight of a fully

loaded chassis. A fully loaded 7-slot chassis weighs approximately

38.56 kg (85 lb). Therefore, the selected table or shelf must support at

least 115.6 kg (255 lb).

3Remove the following items (Figure 2) from the inner tray:

■One hardware kit in a plastic bag (Part Number 10002489 HDW)

■Four plastic feet to mount to the bottom of the chassis (for a

tabletop installation)

■Four 6-32 Phillips-head screws to mount the feet

■Twelve rack-mount clips for a rack-mount installation

■Twelve 10-32 Phillips-head screws to attach the chassis to the

rack

■One documentation kit that contains:

■The 7-Slot Chassis Quick Installation Guide for the

CoreBuilder 9000 Enterprise Switch (this guide)

■The CoreBuilder 9000 Enterprise Switch Getting Started Guide

■The 7-Slot Chassis Power Supply Installation Guide for the

CoreBuilder 9000 Enterprise Switch

■The CoreBuilder 9000 Documentation Overview sheet

47-SLOT CHASSIS QUICK INSTALLATION GUIDE

Figure 2 Contents of the Inner Tray of the 7-slot Chassis Shipping Box

4Remove the inner tray.

5Remove the top foam packing material (Figure 3).

Plastic feet

6-32 screws

10-32 screws

Rack-mount clips

Documentation

1000XXXX

HARDWARE KIT

Plastic bag for

hardware kit

7-Slot Chassis Quick Installation Guide 5

Figure 3 Removing the Shipping Box

6Remove the tab from the top of the plastic bag (not shown).

7Remove the chassis from the plastic bag in the shipping box.

Using two people, lift the CoreBuilder 9000 chassis out of the plastic

bag and shipping box base and place the chassis on the floor in front

of the rack, table, or shelf that you plan to use.

8Inspect the chassis for damage. If the chassis appears to be damaged,

repack it in the shipping box and contact your local supplier.

Top

foam

packing

CoreBuilder™9000

7-slot chassis

Shipping box

Inner tray

(includes documentation kit

and hardware mounting kit)

Bottom

foam

packing

CoreBuilder9000

67-SLOT CHASSIS QUICK INSTALLATION GUIDE

The 7-slot chassis is shipped with slots 1, 7, and 8 (bottom to top)

empty and power supply slot 1 (not shown) empty (Figure 4).

Figure 4 CoreBuilder 9000 7-slot Chassis as Shipped

The shipping box is reusable, place all packing materials in the chassis

shipping box and store the shipping box for future use.

Preinstallation

Guidelines

This section provides safety precautions, installation guidelines, and

location requirements to help you install the CoreBuilder 9000

Enterprise Switch 7-slot chassis into your environment.

Safety Precautions

Read this section before you install the CoreBuilder 9000 Enterprise

Switch 7-slot chassis.

WARNING: The installation requires at least two people. Do not

attempt to install the chassis alone.

Empty slots 1, 7, and 8

CoreBuilder9000

7-Slot Chassis Quick Installation Guide 7

WARNING: The chassis has two stationary, preinstalled flange pins

(Figure 5) located between the first Telco and Metric rack slots. Use

these flange pins only to help position the chassis. Do not use these

pins to support the full weight of the chassis.

Figure 5 CoreBuilder 9000 7-slot Chassis Flange Pin and Rack Slots

WARNING: When the CoreBuilder 9000 chassis is fully loaded with

modules and load-sharing power supplies, the chassis weighs

approximately 38.56 kg (85 lb). Therefore, for a rack installation, install

your chassis before you install modules and power supplies. Continue

to support the chassis until after you have securely installed at least

four of the eight screws (two screws per rack-mount flange) for the

chassis.

If you attempt to place the weight of the rack-mounted chassis on

fewer than four fully inserted screws, the chassis may drop off the rack.

Personal injury or serious damage to the chassis may result.

Preinstalled

flange pin

Metric rack

closed slot

Telco rack

open slot

87-SLOT CHASSIS QUICK INSTALLATION GUIDE

Before You Begin

Before you install the chassis:

■Move the CoreBuilder 9000 chassis close to where you plan to

install it. Place the chassis in front of the rack, table, or shelf that

you plan to use.

■For a rack installation, make certain that you have a Phillips

screwdriver and a flat-blade screwdriver, and at least 8 of the

12 screws (from the hardware kit) available when you begin to

install the chassis.

■Position the rack-mount clips if you are going to use them for the

rack-mount installation.

■For a tabletop or shelf installation, make certain that you have a

Phillips screwdriver or flat-blade screwdriver and the hardware kit

available.

■Because the equipment rack environment can cause increased

ambient temperatures and reduced air flow, review the chassis

specifications and site requirements in Appendix A and Appendix C

of the CoreBuilder 9000 Enterprise Switch Getting Started Guide.

Use the following rack-mount installation guidelines to ensure your

safety and optimal performance. Review all guidelines before you install

the chassis in a rack.

■Use the following guidelines to tighten screws to Torque

Specification:

■Faceplate thumbscrews — 5-7 in/lb (inches per pound)

■#10 screws for holding the chassis onto the rack rail —

22-25 in/lb

To ensure that you tighten screws to Torque Specification, use a torque

screwdriver.

■Before you attempt to mount the chassis in a rack:

■Select a rack that can support at least 115.65 kg (255 lb), which

is three times the weight of a fully loaded 7-slot chassis, and that

provides sufficient vertical space for each chassis that you want

to install.

7-Slot Chassis Quick Installation Guide 9

Figure 6 shows two types of racks that you can use.

Figure 6 Rack Types

■Bolt the rack to the floor.

■Brace the top of the rack against the wall.

■Make certain that the rack is properly aligned and squared. Use a

framing square to ensure that the rack is squared.

■If you install more than one chassis in a rack, install the bottom

chassis first. Make certain that there is sufficient space between

the bottom chassis and the top chassis.

10 7-SLOT CHASSIS QUICK INSTALLATION GUIDE

■If you install the chassis in a Metric rack slot, install the clip nuts

and screws in the closed slots of the rack-mount flanges. If you

install the chassis in Telco rack slots, position the chassis and then

install the screws and rack-mount clips in the open slots.

■If you want to use the optional cable management device (Model

Number 3CB9EC7), attach it to the right preinstalled chassis

rack-mount flange. Install the chassis in the rack before you

install the cable management device.

■If you want the chassis to protrude from the front of the rack,

install the alternate rack-mount flanges. See “Optional Alternate

Position Rack-mount Flanges” on page 18.

WARNING: To ensure mechanical stability and to avoid circuit

overloading and improper grounding, follow the rack manufacturer’s

instructions for rack installation. If the instructions are unclear, consult a

qualified electrician.

Location Requirements

Install a CoreBuilder 9000 7-slot chassis in an area that meets the

following requirements:

■Ambient (room) temperature is from 0 °C to 50 °C (32 °F to

122 °F).

■Relative humidity is between 10 and 90 percent, noncondensing.

■The table, shelf, or rack on which you mount the chassis supports at

least three times the weight of a fully loaded chassis.

■The recommended minimum space that is required between the

front of the chassis and another vertical surface (such as a rack

door) is 8 cm (3 in.).

■There is a sufficient amount of space on each side of the 7-slot

chassis to accommodate any cables along the side of the chassis.

■There is a distance of 7 cm (2.76 in.) or greater on both sides of the

7-slot chassis to ensure proper cooling in the chassis.

■There is at least 91.4 cm (36 in.) in back of the chassis to remove

and replace power supplies in the 7-slot chassis.

■The power source is within approximately 2 meters (6.6 feet) of the

location where you plan to install the CoreBuilder 9000 system.

■Each of the two power supplies connects to a dedicated circuit. Do

not connect the power supplies to a power strip.

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