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3Com 3CRSHEW696 User Manual

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Wireless LAN USB Adapter
User Guide  

 

3CRSHEW696

 

Wireless LAN USB 

 

http://www.3com.com/
http://www.support.3com.com/registration/frontpg.pl

 

Published July 2002
User Guide version 1.0.0

 


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3Com Corporation  

 

 

  5400 Bayfront Plaza  

 

 

  Santa Clara, California  

 

 

  95052-8145

 

Copyright © 2002 3Com Corporation. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to 
make any derivative work (such as translation, transformation, or adaptation) without written permission from 3Com Corporation.

3Com Corporation reserves the right to revise this documentation and to make changes in content from time to time without obligation on the part 
of 3Com Corporation to provide notification of such revision or change.

3Com Corporation provides this documentation without warranty, term, or condition of any kind, either implied or expressed, including, but not 
limited to, the implied warranties, terms or conditions of merchantability, satisfactory quality, and fitness for a particular purpose. 3Com may make 
improvements or changes in the product(s) and/or the program(s) described in this documentation at any time.

3Com is a registered trademark and the 3Com logo is a trademark of 3Com Corporation. Microsoft and Windows are registered trademarks of 
Microsoft Corporation. All other company and product names may be trademarks of the respective companies with which they are associated.

Unless otherwise indicated, 3Com registered trademarks are registered in the United States and may or may not be registered in other countries.

If there is any software on removable media described in this documentation, it is furnished under a license agreement included with the product as 
a separate document or in the hard copy documentation. If you are unable to locate a copy, please contact 3Com and a copy will be provided to you.

 

UNITED STATES GOVERNMENT LEGEND

 

If you are a United States government agency, then this documentation and the software described herein are provided to you subject to the 
following: 

 

All technical data and computer software are commercial in nature and developed solely at private expense. Software is delivered as “Commercial 
Computer Software” as defined in DFARS 252.227-7014 (June 1995) or as a “commercial item” as defined in FAR 2.101(a) and as such is provided 
with only such rights as are provided in 3Com’s standard commercial license for the software. Technical data is provided with limited rights only as 
provided in DFAR 252.227-7015 (Nov 1995) or FAR 52.227-14 (June 1987), whichever is applicable. You agree not to remove or deface any portion 
of any legend provided on any licensed program or documentation contained in, or delivered to you in conjunction with, this user guide.

 


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Contents

 

1

 

Installing Your Wireless LAN USB Adapter and Wireless LAN Manager            

 

Installation CD     

1

Windows XP, 2000, Me, and 98 SE    

1

Connecting Your Wireless LAN USB Adapter    

2

Confirming Device Installation    

2

Installing 3Com Wireless LAN Manager    

3

Using Wireless LAN Manager    

3

3Com Connection Assistant

3

 

2

 

Troubleshooting                                                                                        

 

5

 

Diagnosing Problems    

5

Uninstalling the USB Adapter    

6

Uninstalling Wireless LAN Manager    

7

Updating the Wireless LAN USB Adapter Driver    

7

 

A

 

Technical Support                                                                                     

 

9

 

Online Technical Services    

9

Support from Your Network Supplier    

10

Support from 3Com    

10

Returning Products for Repair    

10

 

Regulatory 
Compliance Information                                                                         

 

11

 

FCC Part 15 Notice (Applicable to use within the USA)    

11

Unintentional Radiator    

11

FCC Declaration of Conformity    

12

Industry Canada Notice (Applicable for use within Canada)    

12

Avis de conformité à la réglementation d’Industrie Canada    

12

Industry Canada (IC) Emissions Compliance Statement    

12

Avis de conformité à la réglementation d’Industrie Canada    

12

Safety Notice    

12

European Community Declaration of Conformity    

13

 


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Contents

 


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1

 

1

 

Installing Your Wireless LAN USB 
Adapter and Wireless LAN Manager

 

 

 

Installation CD 

 

The 

 

Installation CD

 

 contains:

 

Setup programs and drivers for Windows XP, 2000, Millennium Edition (Windows 
Me), and 98 Second Edition (SE).

 

3Com Wireless LAN Manager

 

README.TXT file with updated information about your Wireless LAN USB Adapter

 

This 

 

Wireless LAN USB Adapter User Guide

 

3Com Connection Assistant

 

Adobe Acrobat Reader

 

Windows XP, 2000, Me, and 98 SE

 

If you are accessing this guide as part of your USB Adapter installation, skip to step 3 
below.

 

1

 

With the computer on and Windows running, insert the 

 

Installation CD

 

 into the 

CD-ROM drive. The auto-start feature starts the installation. If nothing happens 
within five seconds, click 

 

Start>Run

 

 and type 

 

d:\setup.exe

 

 (where d: is your 

CD-ROM drive).

 

2

 

From the 3Com Wireless Installer main menu, select 

 

Step 1: Read to Install Hardware.

 

3

 

Insert the USB Adapter (see the illustrations in the next section, “Connecting Your
Wireless LAN USB Adapter”). 

 

4

 

Respond to the prompts as they appear.
If you are prompted for the drivers, enter 

 

d:\ 

 

where d: is the location of the CD-ROM 

drive where the 

 

Installation CD

 

 is inserted. 

 

5

 

During the installation process, you may receive prompts for the Windows installation 
CD. Insert the CD for your Windows operating system and indicate the correct path.
Your computer goes through a brief installation process during which it displays 
several windows indicating what is currently installing.

 

6

 

Restart the computer whenever you are prompted.

 


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1      

 

Installing Your Wireless LAN USB Adapter and Wireless LAN Manager

 

2

 

Connecting Your Wireless LAN USB Adapter

 

Connect your Wireless USB Adapter into the USB port on your computer like this:

 

Antennas

 

The antenna sits at the side of the Wireless LAN USB Adapter. Extend it, as shown 
in the illustration above, for best wireless communications. 

 

Confirming Device Installation

 

1

 

With your USB Adapter installed, double-click the 

 

My Computer

 

 icon. 

If you are running Windows XP, click 

 

Start

 

 > 

 

Control Panel

 

 and go to step 3. 

 

2

 

Double-click the 

 

Control Panel 

 

icon.

 

3

 

Double-click the 

 

System

 

 icon. The System Properties window appears, detailing your 

system setup.

 

4

 

Click the 

 

Device Manager

 

 tab. A list of devices appears, arranged by type.

If you are using Windows XP or 2000, click the 

 

Hardware

 

 tab and click 

 

Device Manager

 

 

5

 

Double-click 

 

Network Adapters

 

. One entry appears: 

 

3Com 3CRSHEW696 Wireless 

LAN USB Adapter

 

.

 

6

 

Double-click the entry to display a description of the current status. 
The device status should indicate “This device is working properly.”

 

7

 

Close the windows you have opened until you return to the desktop.

 


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Installing 3Com Wireless LAN Manager

 

3

 

Installing 3Com Wireless LAN Manager

 

1

 

If you restarted your computer after installing the Wireless LAN USB Adapter and the 
install program did not start automatically, click 

 

Start>Run

 

 and type 

 

d : \ s e t u p . e x e

 

 (where d: is your CD-ROM drive).

 

2

 

From the 

 

Installation CD

 

, select 

 

Step 2: Install Software

 

 and follow the prompts, 

removing the 

 

Installation CD

 

 and restarting your computer whenever you 

are prompted. 

If the 3Com icon was not placed in the system tray when you installed the Wireless LAN 
USB Adapter, start the 3Com Launcher by selecting 

 

Start > Programs > 3Com Mobile > 

3Com Launcher

 

 

Using Wireless LAN Manager

 

Refer to the “Help” instructions for the 3Com Wireless LAN Manager for detailed 
information about how to use Wireless LAN Manager.

 

3Com Connection Assistant

 

The 3Com Connection Assistant is included on the 

 

Install CD

 

 and is interactive software 

that gives you an easy to use diagnostic and repair tool. Using this tool makes 
troubleshooting easier and helps you quickly resolve problems. Go to 
D:\Install\Connection Assistant\Install.exe (where D: is your CD-ROM drive) to find this 
utility.

Using the Connection Assitant you can:

Automatically check your computer and repair problems

Search for solutions for specific hardware or software problems

Find answers to your questions about business processes. tasks, and applications

Connect, via the Internet, to technical support when you need assistance with your 
computer hardware and software

Get assistance even if you are not connected to the Internet

 

Connection Assitant Toolbar

 

The toolbar at the top of the Connection Assistant Home Page includes these options:

 

Connection Assistant Home

 

--Clicking this link will always return you to the Connection 

Assistant Home Page.

 

Assisted Service

 

--Click this link to send a request for assistance to a technical support 

engineer if you need help fixing a Network Interface Card problem.

 

Options

 

--Set different security, message, and display options for your Connection 

Assistant pages.

 

Help

 

--Browse Help information for a variety of topics, links and features related to the 

3Com Connection Assistant.

 

NOTE: 

 

Wireless LAN Manager defaults to automatically connect to any wireless 

network and no security. This default allows a basic connection to an access point. 
After installation, consult with your network administrator and refer to 3Com’s 
Wireless LAN Manager’s online help to change the service set identifier (SSID) and 
security settings.

 


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1      

 

Installing Your Wireless LAN USB Adapter and Wireless LAN Manager

 

4

 

Connection Assistant Options

 

The Connection Assistant may also contain the following options:

Diagnose My Network Interface Card--Click this link to get information about your 
system, network and network interface card. In addition to providing detailed 
information, it also supplies solutions if a problem is detected with your 3Com network 
interface card.

 

List Solutions

 

--Contains a list of relevant topics for you reference.

 

Network Settings

 

--Provides detailed information about your network.

 

Search

 

--Locate topics and solutions.

 


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5

 

2

 

Troubleshooting

 

Diagnosing Problems

 

If you have difficulty using the Wireless LAN USB Adapter, try the solutions in the 
following table. If you continue to experience difficulty, see the next two 
sections,“Uninstalling the USB Adapter” and “Uninstalling Wireless LAN Manager.”

 

Wireless LAN USB Adapter LED Indicators

Problem

Solutions

Wireless LAN 

USB Adapter LED is off

Make sure the USB connections are seated firmly on both the computer connection and the 
connection to the 3Com USB Wireless Adapter device.

Check the Wireless LAN Adapter icon in the Windows control panel and make sure the adapter 
type can be recognized.

Wireless LAN 

USB Adapter installs as 

an unknown device

Remove the unknown device and repeat the installation procedure. Make sure you insert the 
3Com CD when the installation calls for it and that you wait for it to come up to speed in 
the drive. 

The Windows Add Hardware Wizard was unable to locate the Wireless LAN USB Adapter 
drivers. You may have had no CD or the wrong CD inserted in the drive, or the 3Com CD may 
not have been ready when the wizard looked for the drivers.

Installation program does not finish 
or the driver fails to load

Use the Device Manager to resolve resource conflicts that may exist. Select System from the 
Control Panel, and then click the Device Manager tab.

Network association is intermittent 

Make sure the antenna is extended. Try reorienting the antenna. For best use of the antenna:

Keep the area around the antenna clear from materials that could block radio transmission, 
such as metal objects, electronic devices, and cordless telephones.

If the signal is weak, change the direction of the antenna slightly.

If necessary, move the 3Com USB Adapter device to find a better signal. 

No network association exists when 
the computer becomes active again 
after being in sleep mode or after the 
Wireless LAN PC Card is removed and 
reinserted 

Log out and log in again, or restart the computer to restore the connections.

Condition

Description

PWR

Indicates the Wireless LAN USB Adapter is receiving power.

LNK

Indicates data transfer is taking place.

 


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2      Troubleshooting

6

Uninstalling the USB Adapter

Previous installations or interrupted installation attempts sometimes leave problems that 
affect operation. Possible problems include:

Wireless LAN USB Adapter fails to function.

Operating system does not detect the Wireless LAN USB Adapter.

System issues a warning tone at start-up.

If the installation is unsuccessful, your best course may be to completely uninstall the 
adapter and repeat the installation procedure.

Make sure you have exited any networking applications.

Make sure the Wireless LAN USB Adapter is attached to your computer. 

Use the standard operating system procedure to remove the adapter driver. 

The procedure for Windows XP, 2000, Windows Me, and Windows 98 SE, is 
shown below. 

If you are using Windows 2000, Me, or 98 SE, click Start > Settings > 

Control Panel.

If you are using Windows XP, click Start Control Panel.

Double-click the System icon. 

If you are using Windows XP or 2000, click the Hardware tab.

The System Properties window appears, detailing your system setup.

Click Device Manager

A list of devices appears, arranged by type.

Double-click Network Adapters.

One entry appears: 3Com 3CRSHEW696 Wireless LAN USB Adapter.

From the Action menu, select Remove.

If you are using Windows XP or 2000, select Uninstall... .

Click OK.

Close the open windows until you return to the desktop.

Detach the Wireless LAN USB Adapter from your computer.

Restart the computer.

CAUTION: Exit any networking applications before uninstalling the adapter.

 


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Uninstalling Wireless LAN Manager

7

Uninstalling Wireless LAN Manager

Normally, you would not uninstall the Wireless LAN Manager software; however, in case a 
problem arises, you may want to uninstall and reinstall it. 

You can uninstall Wireless LAN Manager any time following the installation. The uninstall 
removes desktop icons, registry entry files, and files used by the adapter. 

If you are using Windows 2000, Me, or 98 SE, click Start > Settings > Control Panel.

If you are using Windows XP, click Start Control Panel.

Click Add/Remove Programs.

Select 3Com Wireless LAN Manager.

Click Change/Remove.

Click Remove

When the uninstall is complete, remove the adapter and restart your computer.

Updating the Wireless LAN USB Adapter Driver

To update your Wireless LAN USB Adapter driver software, find your operating system 
below, then follow the procedure.

Windows XP and 2000

Insert your Wireless LAN USB Adapter.

In Windows 2000, select Start > Settings > Control Panel, then double-click the 

System icon.

In Windows XP, from your desktop or start menu, right-click My Computer and 
select Properties.

Select the Hardware tab and click Device Manager.

If necessary, click the plus sign (+) to expand the Network Adapters tree. 

In Windows 2000, double-click the appropriate entry: 3Com 3CRSHEW696 Wireless 

LAN USB Adpater, select the Driver tab, and click Update Driver.

In Windows XP, right-click 3Com Wireless LAN Adapter and select Update Driver.

Insert the Installation CD. The Hardware Update Wizard window appears.

In Windows 2000, click Display list of known drivers so that I can choose a specific 

driver and click Next.

In Windows XP, select Install from a list or specific location (Advanced) and click Next.

In Windows XP, select Don’t search. I will choose the driver to install and click Next.

When you are prompted to select an adapter, click Have Disk… and enter the drive 

letter for the Installation CD or enter the directory on your hard drive where the 
updated driver is located. Click Continue.

10 Select 3Com 3CRSHEW696 Wireless LAN USB Adpater, and click Next. Follow the 

prompts through the remainder of the driver update.

11 When the installation has completed, click Finish.

 


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2      Troubleshooting

8

Windows Me and 98 SE

Insert your Wireless LAN USB Adapter.

From the Windows Start menu, select Settings, then select Control Panel.

Double-click the System icon, then select Device Manager.

In the Device Manager window, expand the Network Adapters list.

Select 3Com 3CRSHEW696 Wireless LAN USB Adpater, and click Properties.

Select Driver and click Update Driver.

In the Update Device Driver Wizard, follow the prompts to install the upgrade.

When prompted, click Restart for the changes to take effect.

 


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9

A

Technical Support

3Com provides easy access to technical support information through a variety of services. 
This appendix describes these services.

Information contained in this appendix is correct at time of publication. For the most 
recent information, 3Com recommends that you access the 3Com Corporation World 
Wide Web site.

Online Technical Services

3Com offers worldwide product support 24 hours a day, 7 days a week, through the 
following online systems:

World Wide Web site

3Com Knowledgebase Web Services

3Com FTP site

World Wide Web Site

To access the latest networking information on the 3Com Corporation World Wide Web 
site, enter this URL into your Internet browser:

h t t p : / / w w w . 3 c o m . c o m /

This service provides access to online support information, such as technical 
documentation and a software library, as well as support options that range from 
technical education to maintenance and professional services.

3Com Knowledgebase Web Services

The 3Com Knowledgebase is a database of technical information to help you install, 
upgrade, configure, or support 3Com products. The Knowledgebase is updated daily with 
technical information discovered by 3Com technical support engineers. This 
complimentary service, which is available 24 hours a day, 7 days a week to 3Com 
customers and partners, is located on the 3Com Corporation World Wide Web site at:

h t t p : / / k n o w l e d g e b a s e . 3 c o m . c o m

3Com FTP Site

Download drivers, patches, software, and MIBs across the Internet from the 3Com public 
FTP site. This service is available 24 hours a day, 7 days a week.

To connect to the 3Com FTP site, enter the following information into your FTP client:

Hostname:  

f t p . 3 c o m . c o m

Username:  

a n o n y m o u s

Password:  

< y o u r   I n t e r n e t   e - m a i l   a d d r e s s >

NOTE: With Web browser software, such as Netscape Navigator and 
Internet Explorer, you do not need a user name and password.

 


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A      Technical Support

10

Support from Your Network Supplier

If you require additional assistance, consult your network supplier. Many suppliers are 
authorized 3Com service partners who are qualified to provide a variety of services, 
including network planning, installation, hardware maintenance, application training, and 
support services.

When you consult your network supplier, have the following information ready:

Product model name, part number, and serial number

A list of system hardware and software, including revision levels

Diagnostic error messages

Details about recent configuration changes, if applicable

If you are unable to consult your network supplier, see the following section on how to 
contact 3Com.

Support from 3Com

If you are unable to obtain assistance from the 3Com online technical resources or from 
your network supplier, 3Com offers technical telephone support services.  To find out 
more about your support options, go to the Web site associated with your region of the 
world shown below.

When you contact 3Com for assistance, have the following information ready:

Product model name, part number, and serial number

A list of system hardware and software, including revision levels

Diagnostic error messages

Details about recent configuration changes, if applicable

Returning Products for Repair

Before you send a product directly to 3Com for repair, you must first obtain an 
authorization number.  Products sent to 3Com without authorization numbers will be 
returned to the sender unopened, at the sender’s expense.  To obtain an authorization 
number, go to the Web site listed above for your region.

Region

URL for Regional Web Site

Asia and the Pacific Rim

ap.3com.com/contacts/support-contacts.html

Africa, Europe, and the 
Middle East

emea.3com.com/support/supportnumbers.html

Latin America

lat.3com.com/lat/support/index.html

North America

csoweb4.3com.com/contactus/

 


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11

Regulatory 
Compliance Information

NOTE: This product contains encryption. It is unlawful to export out of the U.S. without obtaining a U.S. 
Export License.

FCC Part 15 Notice (Applicable to use within the USA)

CAUTION: FCC Radio-Frequency Exposure Notice

This device generates and radiates radio-frequency energy. In order to comply with FCC radio-frequency 
radiation exposure compliance requirements, a separation distance of at least 2.5 cm (1.0 inch) must be 
maintained between the antenna of the device and all persons.

This product does not contain any user serviceable components. Any unauthorized product changes or 
modifications will invalidate 3Com’s warranty and all applicable regulatory certifications and approvals.

Unintentional Radiator

WARNING: This equipment has been tested and found to comply with the limits for a Class B digital device as 
applicable, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection 
against harmful interference in a residential installation.  This equipment generates, uses and can radiate radio 
frequency energy and, if not installed and used in accordance with the instructions, may cause harmful 
interference to radio communications. However, there is no guarantee that interference will not occur in a 
particular installation. If this equipment does cause harmful interference to radio or television reception, which 
can be determined by turning the equipment off and on, the user is encouraged to try to correct the 
interference by one or more of the following measures:

n

Reorient or relocate the receiving antenna.

n

Increase the separation between the equipment and receiver.

n

Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

n

Consult the dealer or an experienced radio/TV technician for help.

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: 

 This device may not cause harmful interference, and (2) this device must accept any interference received, 

including interference that may cause undersired operation.

The user may find the following booklet prepared by the Federal Communications Commission helpful:The 

Interference Handbook

This booklet is available from the U.S. Government Printing Office, Washington, D.C. 20402. Stock No. 004-
000-00345-4. 

 


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Regulatory Compliance Information

12

FCC Declaration of Conformity

3Com Corporation, 3930 W. Parkway Blvd., PO Box 704010, West Valley City, UT  84119, (800) 527-8677

Declares that the Product:

Date: April 11, 2002

Brand Name: 3Com Corporation

Model Number: 3CRSHEW696 

Equipment Type: 802.11b Wireless USB Adapter

Complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: 

this device may not cause harmful interference, and 

this device must accept any interference received, including interference that may cause undesired 

operation.

Industry Canada Notice (Applicable for use within Canada)

This device complies with Canadian RSS-210. 

To prevent radio interference to the licensed service, this device is intended to be operated indoors and away 
from windows to provide maximum shielding. Equipment (or its transmit antenna) that is installed outdoors is 
subject to licensing.

The installer of this radio equipment must ensure that the antenna is located or pointed such that it does not 
emit RF field in excess of Health Canada limits for the general population; consult Safety Code 6, obtainable 
from Health Canada’s website www.hc-sc.gc.ca/rpb.

Avis de conformité à la réglementation d’Industrie Canada

Cet appareil est conform à la norme CNR-210 du Canada.

Pour empêcher que cet appareil cause du brouillage au service faisant l’objet d’une licence, cet appareil doit être 
utilisé à l’intérieur seulement et devrait êtra placé loin des fenêtres afin de fournir un écran de blindage maximal.

L’installateur du présent matériel radio doit s’assurer que l’antenne est située ou pointée de manière à ce que 
cette derniére n’émette pas de champs radioélectriques supérieurs aux limites spécifiées par Santé Canada pour 
le grand public; condulter le Code de sécurité 6, disponible sur le site Web de Santé Canada, à l’adresse 
suivante: www.hc-sc.gc.ca/rpb.

Industry Canada (IC) Emissions Compliance Statement

This Class B digital apparatus complies with Canadian ICES-003.

Avis de conformité à la réglementation d’Industrie Canada

Cet appareil numérique de la classe B est conform à la norme NMB-003 du Canada.

Safety Notice

This device has been tested and certified according to the following safety standards and is intended for use only 
in Information Technology Equipment which has been tested to these or other equivalent standards:

UL Standard 60950 (3rd Edition)/ CSA C22.2 No. 60950

IEC 60950

EN 60950

3Com Corporation 

3CRSHEW696

Tested To Comply 

With FCC Standards

FOR HOME OR OFFICE USE

 


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European Community Declaration of Conformity

13

European Community Declaration of Conformity

 

Hereby, 3Com Corporation, declares that this Wireless LAN product is in compliance with the essential 
requirements and other relevant provisions of Directive 1999/5/EC.

Due to frequency restrictions, it is necessary to select your country before using this radio device. Refer to your 
3Com Wireless LAN Manager online help for details.

3Com Wireless LAN PC Card User Guide version 1.0.0

Published July, 2002

 


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Regulatory Compliance Information

14