3Com 3CBLSF26H Installing the Switch, Before You Begin, Package Contents, Positioning the Switch

Models: 3CBLSF26H

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Specification

2226-SFP

2426-PWR

2250-SFP

Operating humidity

20% to 85%

(noncondensing)

 

 

 

Storage humidity

10% to 90%

(noncondensing)

 

 

 

Installing the Switch

This section contains information that you need to install and set up the switch. It covers the following topics:

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Before You Begin

Package Contents Positioning the Switch Rack-Mounting or Free-Standing Supplying Power to the Switch Checking for Correct Operation Using SFP Transceivers Performing Spot Checks

Before You Begin

Before installing or removing any components from the switch or carrying out any maintenance procedures, read the safety information provided in Safety Information of this guide.

Package Contents

The Baseline Switch packaging contains the following for all units:

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One product sealed in a plastic bag One CD

One Safety and Regulatory Information manual One warranty card

One Mounting Kit

One DB-9 to RJ-45 cable

Positioning the Switch

The switch is suitable for use in an office environment where it can be free-standing or mounted in a standard 19-inch equipment rack.

Alternatively, the switch can be rack-mounted in a wiring closet or equipment room. A mounting kit, containing two mounting brackets and four screws, is supplied with the switch.

When deciding where to position the switch, ensure that:

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It is accessible and cables can be connected easily.

Cabling is away from sources of electrical noise. These include lift shafts, microwave ovens, and air conditioning units. Electromagnetic fields can interfere with the signals on copper cabling and introduce errors, therefore slowing down your network.

Water or moisture cannot enter the case of the unit.

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3Com 3CBLSF26H manual Installing the Switch, Before You Begin, Package Contents, Positioning the Switch