Linksys HU200 Manuale utente
Model No.
HU200
User Guide
WIRELESS
GHz
802.11g
2,4 USB Adaptor
Home Wireless-G
Home Wireless-G USB Adaptor
Copyright and Trademarks
Specifications are subject to change without notice. Linksys is a registered trademark or trademark of Cisco
Systems, Inc. and/or its affiliates in the U.S. and certain other countries. Copyright © 2005 Cisco Systems, Inc. All
rights reserved. Other brands and product names are trademarks or registered trademarks of their respective
holders.
This User Guide
The User Guide to the Home Wireless-G USB Adaptor has been designed to make understanding networking
easier than ever. Look for the following items when reading this 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 in the “Table of Contents”.
This exclamation point means there is a caution or
warning and is something that could damage your
property or the Adaptor.
word: definition.
This checkmark means there is a note of interest and
is something you should pay special attention to while
using the Adaptor.
This question mark provides you with a reminder about
something you might need to do while using the Adaptor.
Figure 0-1: Sample Figure Description
HU200-UG-50308NC JL
Home Wireless-G USB Adaptor
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 Home Wireless-G USB Adaptor 6
The USB Port 6
The LED Indicators 6
Chapter 4: Setting up the Home Wireless-G USB Adaptor 7
Using the Setup Wizard 7
Chapter 5: Connecting the Home Wireless-G USB Adaptor 14
Connecting the Adaptor 14
Using the Adaptor’s Wall Mount 15
Chapter 6: Using the Wireless Network Monitor 16
Using the Wireless Network Monitor Icon 16
Accessing the Wireless Network Monitor 17
Link Information 17
Site Survey 20
Profiles 21
Creating a New Profile 22
Appendix A: Troubleshooting 29
Common Problems and Solutions 29
Frequently Asked Questions 30
Appendix B: Using Windows XP Wireless Zero Configuration 33
Windows XP Wireless Zero Configuration 33
Appendix C: Wireless Security 36
Security Precautions 36
Security Threats Facing Wireless Networks 36
Appendix D: Windows Help 39
Home Wireless-G USB Adaptor
Appendix E: Glossary 40
Appendix F: Specifications 47
Appendix G: Warranty Information 49
Appendix H: Regulatory Information 50
Appendix I: Contact Information 56
Home Wireless-G USB Adaptor
List of Figures
Figure 3-1: USB Port 6
Figure 3-2: Front Panel 6
Figure 4-1: Setup Wizard’s Welcome Screen 7
Figure 4-2: Setup Wizard’s License Agreement 7
Figure 4-3: Setup Wizard’s Wireless Mode Screen 8
Figure 4-4: Setup Wizard’s Ad-Hoc Mode Settings Screen 8
Figure 4-5: Setup Wizard’s Wireless Security Screen 9
Figure 4-6: Setup Wizard’s Wireless Security - WEP Screen 9
Figure 4-7: Setup Wizard’s Wireless Security - PSK Using TKIP Screen 10
Figure 4-8: Setup Wizard’s Wireless Security - PSK + RADIUS Using EAP-TLS Screen 11
Figure 4-9: Setup Wizard’s Wireless Security - PSK + RADIUS Using PEAP Screen 11
Figure 4-10: Setup Wizard’s Wireless Security - RADIUS Using EAP-TLS Screen 12
Figure 4-11: Setup Wizard’s Wireless Security - RADIUS Using PEAP Screen 12
Figure 4-12: Setup Wizard’s Check Settings Screen 13
Figure 4-13: Setup Wizard’s Congratulations Screen 13
Figure 5-1: How the Adaptor Connects to Your PC 14
Figure 5-2: Adaptor’s USB Port 14
Figure 5-3: PC’s USB Ports 14
Figure 5-4: Using the Wall Mount - Step A 15
Figure 5-5: Using the Wall Mount - Step B 15
Figure 5-6: Using the Wall Mount - Step C 15
Figure 6-1: Wireless Network Monitor Icon 16
Figure 6-2: Windows XP - Use Windows XP Wireless Configuration 16
Figure 6-3: Windows XP - Use Linksys Wireless Network Monitor 16
Figure 6-4: Link Information 17
Figure 6-5: More Information - Wireless Network Status 18
Figure 6-6: More Information-Network Statistics 19
Figure 6-7: Site Survey 20
Figure 6-8: WEP Key Needed for Connection 20
Figure 6-9: PSK (Pre-Shared Key) Needed for Connection 20
Home Wireless-G USB Adaptor
Figure 6-10: Profiles 21
Figure 6-11: Import a Profile 21
Figure 6-12: Export a Profile 21
Figure 6-13: Create a New Profile 22
Figure 6-14: Enter Profile Name 22
Figure 6-15: Network Settings for New Profile 22
Figure 6-16: Wireless Mode for New Profile 23
Figure 6-17: Ad-Hoc Mode Settings for New Profile 23
Figure 6-18: Wireless Security for New Profile 24
Figure 6-19: Wireless Security - WEP for New Profile 24
Figure 6-20: Wireless Security - PSK for New Profile 25
Figure 6-21: Wireless Security - PSK + RADIUS Using EAP-TLS for New Profile 26
Figure 6-22: Wireless Security - PSK + RADIUS Using PEAP for New Profile 26
Figure 6-23: Wireless Security - RADIUS Using EAP-TLS for New Profile 27
Figure 6-24: Wireless Security - RADIUS Using PEAP for New Profile 27
Figure 6-25: Confirm New Settings for New Profile 28
Figure 6-26: Congratulations for New Profile 28
Figure B-1: Wireless Network Monitor Icon 33
Figure B-2: Windows XP - Use Windows XP Wireless Configuration 33
Figure B-3: Windows XP Wireless Zero Configuration Icon 33
Figure B-4: Available Wireless Network 34
Figure B-5: Network Connection - No Wireless Security 34
Figure B-6: Network Connection - Wireless Security 35
Figure B-7: Wireless Network Connection 35
1
Chapter 1: Introduction
Welcome
Home Wireless-G USB Adaptor
Chapter 1: Introduction
Welcome
Thank you for choosing the Home Wireless-G USB Adaptor. With this Adaptor, your wireless networking
experience will be faster and easier than ever.
How does the Adaptor do this? Like all wireless products, the Adaptor allows for greater range and mobility
within your wireless network, whether it’s using the Wireless-G (802.11g) or Wireless-B (802.11b) standard.
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.
By incorporating two fast technologies—USB 2.0 and Wireless-G (802.11g)—the Adaptor delivers data rates up
to 54Mbps. And since the 802.11g and 802.11b standards share the same 2,4GHz radio band, the Adaptor can
still communicate with devices using the popular 802.11b standard.
TheincludedSetupWizardwillwalkyouthroughconfiguringtheAdaptortoyournetwork'ssettings,stepbystep.
Then just connect the Adaptor to your computer’s USB port, so you can enjoy Internet connectivity with your
computer, while retaining true mobility.
Use the instructions in this Guide to help you install and use the Home Wireless-G USB Adaptor. These
instructions should be all you need to get the most out of the Adaptor.
802.11b: an IEEE wireless networking standard
that specifies a maximum data transfer rate of
11Mbps and an operating frequency of 2.4GHz.
adaptor: 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.
802.11g: an IEEE wireless networking standard
that specifies a maximum data transfer rate of
54Mbps and an operating frequency of 2.4GHz.
2
Chapter 1: Introduction
What’s in this Guide?
Home Wireless-G USB Adaptor
What’s in this Guide?
This user guide covers the steps for setting up and using the Home Wireless-G USB Adaptor.
• Chapter 1: Introduction
This chapter describes the Adaptor’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 Home Wireless-G USB Adaptor
This chapter describes the physical features of the Adaptor.
• Chapter 4: Setting up the Home Wireless-G USB Adaptor
This chapter instructs you on how to run the Adaptor’s Setup Wizard and configure the Adaptor.
• Chapter 5: Connecting the Home Wireless-G USB Adaptor
This chapter shows you how to connect the Adaptor to your PC.
• Chapter 6: Using the Wireless Network Monitor
This chapter explains how to use the Adaptor’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 Adaptor.
• Appendix B: Using Windows XP Wireless Zero Configuration
This appendix explains how you can use Windows XP Wireless Zero Configuration to control the Adaptor.
• Appendix C: Wireless Security
This appendix discusses security issues regarding wireless networking and measures you can take to help
protect your wireless network.
• Appendix D: Windows Help
This appendix describes how you can use Windows Help for instructions about networking, such as installing
the TCP/IP protocol.
• Appendix E: Glossary
This appendix gives a brief glossary of terms frequently used in networking.
• Appendix F: Specifications
This appendix provides the Adaptor’s technical specifications.
3
Chapter 1: Introduction
What’s in this Guide?
Home Wireless-G USB Adaptor
• Appendix G: Warranty Information
This appendix supplies the Adaptor’s warranty information.
• Appendix H: Regulatory Information
This appendix supplies the Adaptor’s regulatory information.
• Appendix I: Contact Information
This appendix provides contact information for a variety of Linksys resources, including Technical Support.
4
Chapter 2: Planning Your Wireless Network
Network Topology
Home Wireless-G USB Adaptor
Chapter 2: Planning Your Wireless Network
Network Topology
A wireless network is a group of computers, each equipped with one wireless adaptor. Computers in a wireless
network must be configured to share the same radio channel. Several PCs equipped with wireless cards or
adaptors can communicate with one another to form an ad-hoc network.
Linksys wireless adaptors 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
infrastructurenetworkcan talk toany computer ina wired network infrastructure viathe access pointor wireless
router.
An infrastructure configuration extends the accessibility of a wireless PC to a wired network, and can double the
effective wireless transmission range for two wireless adaptor PCs. Since an access point is able to forward 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, provided that they
both share the same channel and SSID.
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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