Linksys WUSB11 ver. 2.6 Manuale utente

A Division of Cisco Systems, Inc.

Model No.

USB Network Adapter

Wireless-B

WUSB11

User Guide

WIRELESS

GHz

2.4

802.11b

Wireless-B USB Network Adapter

Specifications are subject to change without notice. Linksys is a registered trademark or trademark of Cisco

rights reserved. Other brands and product names are trademarks or registered trademarks of their respective

holders.

How to Use this Guide

Your guide to the USB Network Adapter has been designed to make understanding networking with the USB

Network Adapter easier than ever. Look for the following items when reading this User Guide:

In addition to these symbols, there are definitions for technical terms that are presented like this:

Also, each figure (diagram, screenshot, or other image) is provided with a figure number and description, like

this:

Figure numbers and descriptions can also be found in the “List of Figures” section.

This exclamation point means there is a caution or

warning and is something that could damage your

property or the USB Network Adapter.

word: definition.

This checkmark means there is a note of interest and

is something you should pay special attention to while

using the USB Network Adapter.

This question mark provides you with a reminder about something

you might need to do while using the USB Network Adapter.

Figure 0-1: Sample Figure Description

WUSB11_V4-UG-40802A JL

WARNING: This product contains chemicals, including lead, known

to the State of California to cause cancer, and birth defects or other

reproductive harm. Wash hands after handling.

Wireless-B USB Network Adapter

Table of Contents

Chapter 1: Introduction 1

Welcome 1

What’s in this Guide? 2

Chapter 2: Planning Your Wireless Network 4

Network Topology 4

Roaming 4

Network Layout 5

Chapter 3: Getting to Know the USB Network Adapter 6

The USB Port 6

The LED Indicators 6

Chapter 4: Software Installation and Configuration for Windows 98SE, Me,

and 2000 7

The Installation Procedure 8

Chapter 5: Hardware Installation 11

Connecting the Adapter 11

Using the Adapter’s Wall Mount 13

Chapter 6: Driver Installation and Configuration for Windows XP 14

Windows XP Wireless Zero Configuration 16

Chapter 7: Using the Wireless Network Monitor for Windows 98SE, Me,

and 2000 18

Accessing the Wireless Network Monitor 18

Link Information 18

Site Survey 21

Profiles 22

Creating a New Profile 24

Appendix A: Troubleshooting 28

Common Problems and Solutions 28

Frequently Asked Questions 29

Appendix B: Wireless Security 32

Security Precautions 32

Security Threats Facing Wireless Networks 32

Wireless-B USB Network Adapter

Appendix C: Windows Help 35

Appendix D: Glossary 36

Appendix E: Specifications 42

Appendix F: Warranty Information 43

Appendix G: Regulatory Information 44

Appendix H: Contact Information 46

Wireless-G USB Network Adapter

List of Figures

Figure 3-1: USB Port 6

Figure 3-2: Front Panel 6

Figure 4-1: The Setup Wizard’s Welcome Screen 7

Figure 4-2: The Setup Wizard’s License Agreement 8

Figure 4-3: The Setup Wizard’s Wireless Mode Screen 8

Figure 4-4: The Setup Wizard’s Ad-Hoc Mode Setting Screen 9

Figure 4-5: The Setup Wizard’s Wireless Security - WEP Screen 9

Figure 4-6: The Setup Wizard’s Finalize Settings Screen 10

Figure 4-7: Digital Signature Not Found Screen 10

Figure 4-8: The Setup Wizard’s Congratulations Screen 10

Figure 5-1: How the Adapter Connects to Your PC 11

Figure 5-2: The Adapter’s USB Port 11

Figure 5-3: A PC’s USB port 11

Figure 5-4: The Adapter’s LEDs 12

Figure 5-5: Digital Signature Not Found Screen 12

Figure 5-6: Positioning the Adapter’s Antenna 12

Figure 5-7: Using the Wall Mount - Step A 13

Figure 5-8: Using the Wall Mount - Step B 13

Figure 5-9: Using the Wall Mount - Step C 13

Figure 6-1: Windows XP - Welcome to the Found New Hardware Wizard 14

Figure 6-2: Windows XP - Hardware Installation 14

Figure 6-1: Windows XP - Completing the Found New Hardware Wizard 15

Figure 6-3: The Zero Configuration Icon 16

Figure 6-4: Windows XP Zero Configuration Connection without WEP 16

Figure 6-5: Windows XP Zero Configuration Connection with WEP 17

Figure 6-6: Windows XP Zero Configuration - Active Wireless Connection 17

Figure 7-1: The Wireless Network Monitor icon 18

Figure 7-2: The Link Information Screen 18

Figure 7-3: More Link Information 19

Figure 7-4: Site Survey 21

Wireless-G USB Network Adapter

Figure 7-5: WEP Encryption 21

Figure 7-6: Profiles 22

Figure 7-7: Importing a Profile 23

Figure 7-8: Exporting a Profile 23

Figure 7-9: Creating a New Profile 24

Figure 7-10: Enter Profile Name 24

Figure 7-11: Network Settings for New Profile 25

Figure 7-12: Wireless Mode for New Profile 25

Figure 7-13: Ad-Hoc Mode Setting for New Profile 26

Figure 7-14: Wireless Security - WEP for New Profile 26

Figure 7-15: Confirm New Settings for New Profile 27

Figure 7-16: Congratulations for New Profile 27

Chapter 1: Introduction

Welcome

Wireless-B USB Network Adapter

Chapter 1: Introduction

Welcome

Thank you for choosing the Wireless-B USB Network Adapter. With this Adapter, your wireless networking

experience will be faster and easier than ever.

How does the Adapter do this? Like all wireless products, the Adapter allows for greater range and mobility

within your wireless network. Connecting to your PC via the USB port means that this Adapter leaves the PC’s

slots open for other purposes. This Adapter communicates over the 802.11b wireless standard, one of the most

popular wireless standards, to communicate with your network.

But what does all of this mean?

Networks are useful tools for sharing computer resources. You can access one printer from different computers

and access data located on another computer's hard drive. Networks are even used for playing multiplayer video

games. So, networks are not only useful in homes and offices, they can also be fun.

PCs equipped with wireless cards and adapters can communicate without cumbersome cables. By sharing the

same wireless settings, within their transmission radius, they form a wireless network.

Use the instructions in this Guide to help you install and use the Wireless-B USB Network Adapter. These

instructions should be all you need to get the most out of the Adapter.

802.11b: an IEEE wireless networking standard

that specifies a maximum data transfer rate of

11Mbps and an operating frequency of 2.4GHz.

adapter: a device that adds network functionality

to your PC.

network: a series of computers or devices

connected for the purpose of data sharing,

storage, and/or transmission between users.

Chapter 1: Introduction

What’s in this Guide?

Wireless-B USB Network Adapter

What’s in this Guide?

This user guide covers the steps for setting up and using the Wireless-B USB Network Adapter.

• Chapter 1: Introduction

This chapter describes the Adapter’s applications and this User Guide.

• Chapter 2: Planning Your Wireless Network

This chapter discusses a few of the basics about wireless networking.

• Chapter 3: Getting to Know the Wireless-B USB Network Adapter

This chapter describes the physical features of the Adapter.

• Chapter 4: Software Installation and Configuration for Windows 98SE, Me, and 2000

This chapter instructs you on how to run the Adapter’s Setup Wizard and configure the Adapter for Windows

98SE, Me, and 2000.

• Chapter 5: Hardware Installation

This chapter shows you how to connect the Adapter to your PC.

• Chapter 6: Driver Installation and Configuration for Windows XP

This chapter explains how to install the Adapter’s driver and use Windows Zero Configuration.

• Chapter 7: Using the Wireless Network Monitor for Windows 98SE, Me, and 2000

This chapter show you how to use the Adapter’s Wireless Network Monitor.

• Appendix A: Troubleshooting

This appendix describes some potential problems and solutions, as well as frequently asked questions,

regarding installation and use of the Adapter.

• Appendix B: Wireless Security

This appendix discusses security issues regarding wireless networking and measures you can take to help

protect your wireless network.

• Appendix C: Windows Help

This appendix describes how you can use Windows Help for instructions about networking, such asinstalling

the TCP/IP protocol.

• Appendix D: Glossary

This appendix gives a brief glossary of terms frequently used in networking.

Chapter 1: Introduction

What’s in this Guide?

Wireless-B USB Network Adapter

• Appendix E: Specifications

This appendix provides the Adapter’s technical specifications.

• Appendix F: Warranty Information

This appendix supplies the Adapter’s warranty information.

• Appendix G: Regulatory Information

This appendix supplies the Adapter’s regulatory information.

• Appendix H: Contact Information

This appendix provides contact information for a variety of Linksys resources, including Technical Support.

Chapter 2: Planning Your Wireless Network

Network Topology

Wireless-B USB Network Adapter

Chapter 2: Planning Your Wireless Network

Network Topology

A wireless network is a group of computers, each equipped with one wireless adapter. Computers in a wireless

network must be configured to share the same radio channel. Several PCs equipped with wireless cards or

adapters can communicate with one another to form an ad-hoc network.

Linksys wireless adapters also provide users access to a wired network when using an access point or wireless

router. An integrated wireless and wired network is called an infrastructure network. Each wireless PC in an

infrastructurenetwork can talkto anycomputer in a wired network infrastructurevia the access point orwireless

router.

An infrastructure configuration extends the accessibility of a wireless PC to a wired network, and can double the

effectivewireless transmissionrange for twowireless adapter PCs. Since anaccess point is able toforward data

within a network, the effective transmission range in an infrastructure network can be doubled.

Roaming

Infrastructure mode also supports roaming capabilities for mobile users. Roaming means that you can move your

wireless PC within your network and the access points will pick up the wireless PC's signal, providing that they

both share the same channel and SSID.

Before you enable roaming, choose a feasible radio channel and optimum access point position. Proper access

point positioning combined with a clear radio signal will greatly enhance performance.

infrastructure: a wireless network that is

bridged to a wired network via an access point.

ad-hoc: a group of wireless devices

communicating directly with each other (peer-

to-peer) without the use of an access point.

roaming: the ability to take a wireless device from

one access point's range to another without losing

the connection.

ssid: your wireless network's name.

topology: the physical layout of a network.

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