3com 3CRUSBN275 Manuale utente

3Com Wireless Dual Band 11n

USB Adapter

Quick Installation Guide

BOM: 3122A08U

Manual Version: APW100

www.3com.com

3Com Corporation

350 Campus Drive, Marlborough,

MA, USA 01752 3064

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1

1 Overview

The 3Com Wireless Dual Band 11n USB Adapter (3CRUSBN275) is a

high-performance USB 2.0 wireless network adapter developed by 3Com,

conforming to 802.11n Draft 2.0. It provides a wireless access rate six times

that of traditional 802.11a/g wireless network cards, and extends the

receiving distance.

2 Installation Preparations

Unpacking and Inspection

Before unpacking the package, make sure that the package is intact,

without any signed of damage. When unpacking the package, avoid

excessive force or collision. Otherwise, the articles inside the package may

get damaged.

Before you start with the installation, verify that your USB Adapter

package includes the following items:

z One 3Com Wireless Dual Band 11n USB Adapter

z One warranty flyer

z This 3Com Wireless 11n USB Adapter Quick Installation Guide

z One 3Com installation CD, which contains the USB Adapter driver

program and 3Com 3CRUSB275 Wireless Utility and user guide.

Note:

z If this package shows any signs of physical damage, stop unpacking

and contact your local dealer..

z If there is any inconsistency with the packing list, contact your local

dealer within three days.

2

Temperature and Humidity Requirements

Specification Range

Operating temperature 0°C to 45°C (32°F to 113°F)

Storage temperature –40°C to +70°C (–40°F to +158°F)

Operating humidity 10% to 95% (noncondensing)

Storage humidity 5% to 95% (noncondensing)

3 Checking the Minimum System Requirements

You can install the USB Adapter on any computer running Microsoft®

Windows 2000, Windows® XP, or Windows Vista.

Your computer must also have, at least, the following:

z Available USB connector

z 733 MHz Intel™ Pentium™ III or Celeron processor (or equivalent)

z 256 MB of RAM

z 7 MB of free disk space

z CD-ROM drive

4 Installing the Wireless USB Adapter

Installing the USB Adapter is a two-step process:

1) Plug in the USB Adapter

2) Install the USB Adapter driver

Plug In the USB Adapter

Locate an empty USB connector and plug in your USB Adapter, as

shown in Figure 1.

Figure 1 Plug in the USB Adapter

3

Install the USB Adapter Driver

The CD delivered with the USB Adapter contains the USB Adapter

driver program and the client software 3Com 3CRUSBN275 Wireless Utility.

Run setup.exe to install them.

Install the USB Adapter under the Windows XP operating system

Step1 Insert the CD into the CD-ROM drive and double-click the file

setup.exe to start installation of the USB Adapter. Then click Next> on the

welcome page to enter the page as shown in

Figure 2.

Figure 2 License agreement page

Step2 Click the I agree radio button on the page, and then click Next> to

enter the page for selecting a country, as shown in Figure 3.

Figure 3 Select a country

4

Step3 Select a proper country, click Next> to enter the page for selecting

the destination directory, as shown in

Figure 4.

Figure 4 Select the destination directory

Step4 Click Browse…, select the destination directory, and then click

Next> to enter the setup status page. A warning window will pop up as

shown in

Figure 5.

Figure 5 Setup status page

Step5 Click Continue Anyway. The driver finds the USB Adapter, and

the page as shown in

Figure 6 pops up.

5

Figure 6 New hardware installation wizard

Step6 Click Continue Anyway to enter the page as shown in Figure 7.

Figure 7 Install shield wizard complete page

Step7 Click Finish on the page to complete installation of the USB

Adapter.

Install the USB Adapter under the Windows Vista operating

system

Step1 Insert the CD into the CD-ROM drive and double-click the file

setup.exe to start installation of the USB Adapter. Then click Next> on the

welcome page to enter the page as shown in

Figure 8.

6

Figure 8 License agreement page

Note:

Under the Windows Vista operating system, the page as shown in

Figure 9 pops up after the USB Adapter is inserted. Click Cancel to

close the window.

Figure 9 Found new hardware page

Step2 Click the I agree radio button, and then click Next> to enter the

page for selecting a country, as shown in

Figure 10.

7

Figure 10 Select a country

Step3 Click Next> on the page to enter the page for selecting the

destination directory, as shown in

Figure 11.

Figure 11 Select the destination directory

Step4 Click Browse… to select the destination directory, and then click

Next> to enter the setup status page. A warning window as shown in Figure

12 pops up.

8

Figure 12 Setup status page

Step5 Click Install this driver software anyway to enter the page as

shown in

Figure 13.

Figure 13 Install shield wizard complete page

Step6 Click Finish on the page to complete installation of the USB

Adapter.

5 Connecting the USB Adapter

This chapter describes how to connect the USB Adapter under the

Windows XP and Windows Vista operating systems.

9

Connecting the USB Adapter Under the Windows XP

Operating System

The USB Adapter scans all the access points within its coverage area

by default. To connect the adapter to a specified access point, you need to

use the Windows Zero Configuration (WZC) tool to configure wireless

connection.

Caution:

z Ensure that you have Windows XP Service Pack 2 installed on your

computer.

z Ensure that the USB Adapter is enabled.

z Ensure that the Use Windows to configure my wireless network

settings check box is selected in the Wireless Network Connection

Properties tab.

z The client software 3Com 3CRUSBN275 Wireless Utility of the USB

Adapter is used under the Windows XP operating system by default.

To use the WZC tool, you need to select Options > Select Client

Software on the client software, and then click the Windows radio

button.

Step1 Click the network icon in the system tray to view wireless networks.

Figure 14 Wireless network connection under Windows XP

10

Step2 Click Refresh network list to reload and search for available

wireless networks. Select a wireless network in the list and click Connect to

join the selected wireless network.

Step3 If there is security activated for the selected wireless network, a

warning window appears, as shown in

Figure 15. Type the network key, and

then click Connect.

Figure 15 Wireless service with security key configured

Step4 If there is no security key configured for the selected wireless

network, a warning window appears, as shown in Figure 16. Click Connect

Anyway.

Figure 16 Wireless service with no security key configured

Step5 Close the Wireless Network Connection list window.

Connecting the USB Adapter Under the Windows Vista

Operating System

The PC will begin functioning in Station Mode (as a Client) with your

Wireless LAN network.

11

Note:

Before connecting the adapter to a wireless network, ensure that

the wireless router works normally.

Step1 If a WEP or WPA password is needed, provide it.

Note:

You need to configure the password on the WLAN access devices.

For the detailed configuration, refer to the configuration manual of

the WLAN access devices.

Step2 Right-click the wireless network icon in the system tray, and click

Connect. In the popup wireless connection list window, select a wireless

network to be connected.

Step3 Click Connect, and the Connect to a network window appears.

Figure 17 Connect to a network (I)

Step4 Type the password, and click Connect.

12

Note:

When you select the WEP encryption mode:

z If WEP40 is selected, 5 alphanumeric characters or a 10-digit

hexadecimal number should be entered as the password;

z If WEP104 is selected, 13 alphanumeric characters or a 26-digit

hexadecimal number should be entered as the password;

z If WEP128 is selected, 16 alphanumeric characters or a 32-digit

hexadecimal number should be entered as the password.

When you select the WPA or WPA2 encryption mode, enter a

password of 8 to 64 alphanumeric characters.

Step5 After the USB Adapter is connected to the wireless network, the

window as shown in

Figure 18 appears. Select Save this network to save

the current wireless connection and the USB Adapter will automatically

connect to this wireless network at the next startup.

Figure 18 Connect to a network (II)

Step6 Click Close on the page to complete your configuration.

13

6 LEDs

The LED of the 3Com Wireless Dual Band 11n USB Adapter has four

statuses:

State Meaning

On

Orange/Blue: The USB Adapter has been connected to a

wireless network, but it is not transmitting or receiving data.

Fast

blinking

The USB Adapter is connected to a wireless network and is

receiving or transmitting data.

Slow

blinking

Alternating orange, blue, and purple: The USB Adapter is

searching for a wireless network.

Off

z The USB Adapter is not inserted into the USB connector.

z The USB Adapter works in the power saving mode.

7 Troubleshooting Installation

This section describes some problems that you may encounter during

installation and some suggested solutions.

14

Problem Possible solution

Use the Device Manager to resolve resource conflicts

that may exist. To start the Device Manager, go to the

Control Panel, double-click System, and then click

the Device Manager

tab.

Find Network adapters by selecting Device

Manager. If a yellow exclamation mark is displayed,

you need to reinstall the USB Adapter. Right click the

USB Adapter to be updated, click Update Driver… to

update the USB Adapter driver following the prompt.

Installation

program does

not finish or

the driver fails

to load

Find Network adapters by selecting Device

Manager. If no USB Adapter is displayed under

Network adapters, click the Scan for hardware

changes icon to search for any available adapters. If

a yellow exclamation mark is displayed under

Network adapters, you need to reinstall the USB

Adapter.

Verify that the USB Adapter is properly connected to

the USB connector.

Windows

shows the

USB Adapter

as an unknown

device

If Windows still does not recognize it, use the Device

Manager to remove the unknown device, and then

reinstall it.

Verify that the USB Adapter is properly connected to

the USB connector.

Power/Activity

LED is off

Verify that the driver was installed successfully by

checking the status of the device on the Device

Manager.

1

1 Vue d'ensemble

L'adaptateur USB sans fil 11n à double bande 3Com (3CRUSBN275)

est un adaptateur réseau sans fil USB 2.0 haute performance conçu par

3Com, conforme à la norme 802.11n draft 2.0. Il offre un accès sans fil six

fois plus rapide que les cartes réseau sans fil traditionnelles 802.11 a/g et

élargit la zone de réception.

2 Préparation à l'installation

Déballage et inspection

Avant de procéder au déballage, veuillez vous assurer que

l'emballage est intact, qu'il n'a pas subi d'importants dommages et

ne présente aucun signe d'humidité. Lors du déballage, évitez de

recourir à la force et veillez à ce que l'appareil ne heurte aucun

autre élément, sous peine d'endommager les articles contenus

dans l'emballage.

Avant de commencer l'installation, vérifiez que l'emballage de

votre adaptateur USB comporte les éléments suivants:

z Un adaptateur USB sans fil 11n à double bande 3Com

z Une garantie

z Le présent 3Com Wireless 11n USB Adapter Quick Installation

Guide (Guide d'installation rapide de l'adaptateur USB 11n

sans fil 3Com)

z Un CD d'installation 3Com contenant le programme du pilote

de l'adaptateur USB, l'utilitaire réseau sans fil 3CRUSB275

ainsi que le manuel d'utilisation.

Note:

z Si l'emballage est rouillé ou mouillé, interrompez le déballage et

contactez votre revendeur local.

z S'il manque des éléments par rapport à la liste d'emballage,

contactez votre revendeur local dans un délai de trois jours.

2

Exigences relatives à la température et à l'humidité

Spécifications Plage

Température de fonctionnement de 0°C à 45°C

Température de stockage de –40°C à +70°C

Humidité de fonctionnement de 10% à 95% (sans condensation)

Humidité de stockage de 5% à 95% (sans condensation)

3 Vérification de la configuration minimale du

système

Vous pouvez installer l'adaptateur USB sur n'importe quel ordinateur

fonctionnant sous Microsoft® Windows 2000, Windows® XP ou Windows

Vista.

Votre ordinateur doit également comporter au moins ce qui suit:

z Un port USB disponible

z Un processeur 733 MHz Intel Pentium ou Celeron (ou équivalent)

z 256 Mo de RAM

z 7 Mo d'espace disque libre

z Un lecteur CD-ROM

4 Installation de l'adaptateur USB sans fil

L'installation de l'adaptateur USB se fait en deux temps:

1) Branchement de l'adaptateur USB

2) Installation du pilote de l'adaptateur USB

Branchement de l'adaptateur USB

Repérez un port USB non utilisé et branchez votre adaptateur

USB comme le montre la

Figure 1.

Figure 1 Branchement de l'adaptateur USB

3

Installation du pilote de l'adaptateur USB

Le CD livré avec l'adaptateur USB contient le programme du

pilote de l'adaptateur USB et le logiciel client Utilitaire réseau sans

fil 3Com 3CRUSBN275. Lancez setup.exe pour les installer.

Installation de l'adapteur USB sous le système

d'exploitation Windows XP

Etape 1 Insérez le CD dans le lecteur CD-ROM et double-cliquez

sur le fichier setup.exe pour lancer l'installation de l'adaptateur USB.

Cliquez ensuite sur Next> (Suivant>) sur la page d'accueil pour

arriver à la page affichée sur la

Figure 2.

Figure 2 Page d'accord de licence

Etape 2 Cliquez sur le bouton radio I agree (je suis d'accord) de

cette page puis sur Next> (Suivant>) pour passer à la page de

sélection du pays, affichée en

Figure 3

Figure 3 Sélectionnez un pays

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