Linksys WPC54G EU Manuale utente
A Division of Cisco Systems, Inc.
®
Model No.
Notebook Adapter
Wireless-G
WPC54G (EU/LA)
User Guide
WIRELESS
GHz
2.4
802.11g
Wireless-G Notebook Adapter
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.
How to Use this User Guide
This user guide has been designed to make understanding networking with the Notebook 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 Notebook Adapter.
word: definition.
This checkmark means there is a note of interest and is something you
should pay special attention to while using the Notebook Adapter.
This question mark provides you with a reminder about something
you might need to do while using the Notebook Adapter.
Figure 0-1: Sample Figure Description
wpc54g v7-UG-51121 TE
Wireless-G Notebook Adapter
TableofContents
Chapter 1: Introduction 1
Welcome 1
What’s in this User Guide? 2
Chapter 2: Planning your Wireless Network 4
Network Topology 4
Roaming 4
Network Layout 5
Chapter 3: Getting to Know the Wireless-G Notebook Adapter 6
The LED Indicators 6
Chapter 4: Setting up and Connecting the Wireless-G Notebook Adapter 7
Starting the Setup 7
Connecting the Adapter 8
Setting up the Adapter 8
Chapter 5: Using the Wireless Network Monitor 19
Accessing the Wireless Network Monitor 19
Using the Wireless Network Monitor 19
Link Information 19
Site Survey 22
Profiles 23
Creating a New Profile 24
Appendix A: Troubleshooting 34
Common Problems and Solutions 34
Frequently Asked Questions 35
Appendix B: Wireless Security 37
Security Precautions 37
Security Threats Facing Wireless Networks 37
Appendix C: Windows Help 40
Appendix D: Glossary 41
Appendix E: Specifications 46
Appendix F: Warranty Information 47
Appendix G: Regulatory Information 48
Wireless-G Notebook Adapter
Appendix H: Contact Information 49
Wireless-G Notebook Adapter
ListofFigures
Figure 3-1: Front Panel 6
Figure 4-1: Setup Wizard’s Welcome Screen 7
Figure 4-2: Setup Wizard’s License Agreement 7
Figure 4-3: Connecting the Adapter 8
Figure 4-4: Available Wireless Network 8
Figure 4-5: Available Wireless Network 9
Figure 4-6: WEP Key Needed for Connection 9
Figure 4-7: WPA - Personal Needed for Connection 10
Figure 4-8: Congratulations 10
Figure 4-9: Available Wireless Network 11
Figure 4-10: Network Settings 11
Figure 4-11: Wireless Mode 12
Figure 4-12: Ad-Hoc Mode Settings 12
Figure 4-13: Wireless Security - WEP 13
Figure 4-14: Wireless Security - WPA Personal 14
Figure 4-15: Wireless Security - WPA Enterprise - EAP-TLS 15
Figure 4-16: Wireless Security - WPA Enterprise - PEAP 15
Figure 4-17: Wireless Security - RADIUS - EAP-TLS 16
Figure 4-18: Wireless Security - RADIUS - PEAP 16
Figure 4-19: Wireless Security - LEAP 17
Figure 4-20: Confirm New Settings 17
Figure 4-21: Congratulations 18
Figure 5-1: Wireless Network Monitor Icon 19
Figure 5-2: Link Information 19
Figure 5-3: More Information - Wireless Network Status 20
Figure 5-4: More Information-Network Statistics 21
Figure 5-5: Site Survey 22
Figure 5-6: WEP Key Needed for Connection 22
Figure 5-7: WPA-Personal Needed for Connection 22
Figure 5-8: Profiles 23
Wireless-G Notebook Adapter
Figure 5-9: Import a Profile 23
Figure 5-10: Export a Profile 23
Figure 5-11: Create a New Profile 24
Figure 5-12: Available Wireless Network 24
Figure 5-13: Available Wireless Network 25
Figure 5-14: WEP Key Needed for Connection 25
Figure 5-15: WPA Personal Needed for Connection 26
Figure 5-16: Congratulations 26
Figure 5-17: Network Settings for New Profile 27
Figure 5-18: Wireless Mode for New Profile 27
Figure 5-19: Ad-Hoc Mode Settings for New Profile 28
Figure 5-20: Wireless Security - WEP for New Profile 28
Figure 5-21: Wireless Security - WPA Personal for New Profile 29
Figure 5-22: Wireless Security - WPA Enterprise Using EAP-TLS for New Profile 30
Figure 5-23: Wireless Security - WPA Enterprise Using PEAP for New Profile 30
Figure 5-24: Wireless Security - RADIUS Using EAP-TLS for New Profile 31
Figure 5-25: Wireless Security - RADIUS Using PEAP for New Profile 31
Figure 5-26: Wireless Security - LEAP for New Profile 32
Figure 5-27: Confirm New Settings for New Profile 32
Figure 5-28: Congratulations for New Profile 33
1
Chapter 1: Introduction
Welcome
Wireless-G Notebook Adapter
Chapter1:Introduction
Welcome
Thank you for choosing the Wireless-G Notebook Adapter. Like all wireless products, the Adapter allows for
greater range and mobility within your wireless network. This adapter communicates over the 54Mbps 802.11g
wireless standard, which is almost five times faster than 802.11b. But since they share the same 2.4GHz radio
band, the Adapter can also communicate with the widely used 11Mbps 802.11b standard.
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.
The included Setup Wizard will walk you through configuring the adapter to your network's settings, step by step.
Then just slide it into your notebook's PC Card slot and enjoy network access with your notebook computer, while
retaining true mobility.
Once you're connected, you can keep in touch with your e-mail, access the Internet, and share files and other
resources such as printers and network storage with other computers on the network. At home, you can surf the
web or use instant messaging to chat with friends while sitting out on the patio. Your wireless connection is
protected by up to 128-bit encryption.
You'll also be able to connect with any of the growing number of public wireless hotspots springing up in coffee
shops, airport lounges, hotels and convention centers. And as those hotspots upgrade to the new high-speed
Wireless-G standard, you'll be ready to take advantage of the increased speeds.
Get connected to current-standard 802.11b networks today, and be prepared for the future with the Wireless-G
Notebook Adapter from Linksys.
802.11b: a 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.
802.11g a wireless networking standard that
specifies a maximum data transfer rate of 54Mbps
and an operating frequency of 2.4GHz.
bit: a binary digit.
encryption: encoding data transmitted in a network
2
Chapter 1: Introduction
What’s in this User Guide?
Wireless-G Notebook Adapter
What’s in this User Guide?
This user guide covers the steps for setting up and using the Wireless-G Notebook 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-G Notebook Adapter
This chapter describes the physical features of the Adapter.
• Chapter 4: Setting up and Connecting the Wireless-G Notebook Adapter
This chapter instructs you on how to install and configure the Adapter.
• Chapter 5: Using the Wireless Network Monitor
This chapter show you how to use the Adapter’s Wireless Network Monitor.
• Appendix A: Troubleshooting
This appendix describes some 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 as installing
the TCP/IP protocol.
• Appendix D: Glossary
This appendix gives a brief glossary of terms frequently used in networking.
• 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.
3
Chapter 1: Introduction
What’s in this User Guide?
Wireless-G Notebook Adapter
• Appendix H: 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
Wireless-G Notebook Adapter
Chapter2:PlanningyourWirelessNetwork
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
infrastructure network can talk to any computer in a wired network infrastructure via the access point or 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 adapter 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, providing that they
both share the same channel and SSID.
Before enabling you consider 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.
access point: a device that allows wireless-
equipped computers and other devices to
communicate with a wired network
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