Linksys Instant Broadband Series User manual

I n s t a n t W i r e l e s s T M S e r i e s
Network CardBus Card
U s e r G u i d e
Use this Guide to install:
WPC12

COPYRIGHT & TRADEMARKS
Copyright © 2002 Linksys, All Rights Reserved. Instant Wireless™ is a registered trade-
mark of Linksys. Microsoft, Windows, and the Windows logo are registered trademarks
of Microsoft Corporation. All other trademarks and brand names are the property of their
respective proprietors.
LIMITED WARRANTY
Linksys guarantees that every Instant Wireless™ Network PC Card ver. 3.0 is free from
physical defects in material and workmanship for one year from the date of purchase,
when used within the limits set forth in the Specifications chapter of this User Guide. If
these products prove defective during this warranty period, call Linksys Technical
Support in order to obtain a Return Authorization Number. BE SURE TO HAVE YOUR
PROOF OF PURCHASE AND A BARCODE FROM THE PRODUCT’S PACKAGING ON
HAND WHEN CALLING. RETURN REQUESTS CANNOT BE PROCESSED WITHOUT
PROOF OF PURCHASE. When returning a product, mark the Return Authorization
Number clearly on the outside of the package and include your original proof of pur-
chase. All customers located outside of the United States of America and Canada shall
be held responsible for shipping and handling charges.
IN NO EVENT SHALL LINKSYS’ LIABILITY EXCEED THE PRICE PAID FOR THE PROD-
UCT FROM DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAM-
AGES RESULTING FROM THE USE OF THE PRODUCT, ITS ACCOMPANYING SOFT-
WARE, OR ITS DOCUMENTATION. LINKSYS DOES NOT OFFER REFUNDS FOR ANY
PRODUCT. Linksys makes no warranty or representation, expressed, implied, or statuto-
ry, with respect to its products or the contents or use of this documentation and all
accompanying software, and specifically disclaims its quality, performance, mer-
chantability, or fitness for any particular purpose. Linksys reserves the right to revise or
update its products, software, or documentation without obligation to notify any individ-
ual or entity. Please direct all inquiries to:
Linksys P.O. Box 18558, Irvine, CA 92623.
FCC STATEMENT
This product has been tested and complies with the specifications for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide rea-
sonable protection against harmful interference in a residential installation. This equip-
ment generates, uses, and can radiate radio frequency energy and, if not installed and
used according to the instructions, may cause harmful interference to radio communi-
cations. 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 is found 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:
• Reorient or relocate the receiving antenna
• Increase the separation between the equipment or devices
• Connect the equipment to an outlet other than the receiver’s
• Consult a dealer or an experienced radio/TV technician for assistance
UG-WPC11 ver. 3.0-011702B KL
Any changes or modifications not expressly approved by the party responsible for 
compliance could void the user's authority to operate this equipment
This transmitter must not be co-located or operating in conjunction with any other 
antenna or transmitter

Table of Contents
Chapter 1: Introduction 1
The Instant WirelessTM Network PC Card ver. 3.0 1
Features 1
Package Contents 2
System Requirements 2
Chapter 2: PlanningYour Wireless Network 3
Network Topology 3
Roaming 3
Chapter 3: Installing the Drivers and Configuration Utility for
Windows 95, 98, ME and 2000 4
Before You Start 4
Running the Auto Driver Installation 4
Ad-Hoc Versus Infrastructure Mode 8
Infrastructure Mode 9
Ad-Hoc Mode 11
Chapter 4: Installing the Drivers and
Configuration Utility for Windows XP 14
Chapter 5: Installing the Network PC Card 16
Chapter 6: Installing the Drivers and
Configuration Utility for Windows NT 17
Overview 17
Installing the Network PC Card inYour Notebook PC 17
Installing the Drivers for Windows NT 18
Installing the Configuration Utility for Windows NT 30
Chapter 7: Configuration Utility 30
Using the Configuration Utility 30
Chapter 8: Installing Network Protocols 39
Network PC Card
Instant Wireless
TM
Series
Chapter 9: Advanced Properties 41
Advanced Properties for Windows 95, 98, ME, and 2000 41
Advanced Properties for Windows NT 49
Chapter 10: Troubleshooting 56
Common Problems and Solutions 56
Frequently Asked Questions 57
Chapter 11: Glossary 61
Chapter 12: Specifications 68
Environmental 68
Chapter 13: Warranty Information 69
Chapter 14: Contact Information 70