Planet Technology WL-U351 User Manual
Wireless USB Adapter
WL-U351
User’s Manual
Copyright
Copyrightã 2003 by PLANET Technology Corp. All rights reserved. No part of this publication may
be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or
computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical,
manual or otherwise, without the prior written permission of PLANET.
PLANET makes no representations or warranties, either expressed or implied, with respect to the
contents hereof and specifically disclaims any warranties, merchantability or fitness for any particular
purpose. Any software described in this manual is sold or licensed "as is". Should the programs
prove defective following their purchase, the buyer (and not this company, its distributor, or its dealer)
assumes the entire cost of all necessary servicing, repair, and any incidental or consequential
damages resulting from any defect in the software. Further, this company reserves the right to revise
this publication and to make changes from time to time in the contents hereof without obligation to
notify any person of such revision or changes..
All brand and product names mentioned in this manual are trademarks and/or registered trademarks of
their respective holders.
Federal Communication Commission Interference Statement
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to Part 15 of 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:
1. Reorient or relocate the receiving antenna.
2. Increase the separation between the equipment and receiver.
3. Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
4. Consult the dealer or an experienced radio technician for help.
FCC Caution:
To assure continued compliance.(example-use only shielded interface cables when connecting to
computer or peripheral devices). Any changes or modifications not expressly approved by the party
responsible for compliance could void the user’s authority to operate the equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the Following two
conditions: (1) This device may not cause harmful interference, and (2 ) this Device must accept any
interference received, including interference that may cause undesired operation.
Federal Communication Commission (FCC) Radiation Exposure
Statement
This equipment complies with FCC radiation exposure set forth for an uncontrolled environment. In
order to avoid the possibility of exceeding the FCC radio frequency exposure limits, human proximity to
the antenna shall not be less than 20 cm(8 inches) during normal operation.
R&TTE Compliance Statement
This equipment complies with all the requirements of DIRECTIVE 1999/5/CE OF THE EUROPEAN
PARLIAMENT AND THE COUNCIL OF 9 March 1999 on radio equipment and telecommunication
terminal Equipment and the mutual recognition of their conformity (R&TTE)
The R&TTE Directive repeals and replaces in the directive 98/13/EEC (Telecommunications Terminal
Equipment and Satellite Earth Station Equipment) As of April 8,2000.
Safety
This equipment is designed with the utmost care for the safety of those who install and use it. However,
special attention must be paid to the dangers of electric shock and static electricity when working with
electrical equipment. All guidelines of this and of the computer manufacture must therefore be allowed
at all times to ensure the safe use of the equipment.
EU Countries Not Intended for Use
The ETSI version of this device is intended for home and office use in Austria Belgium, Denmark,
Finland, France (with 4 Frequency channel restrictions). Germany, Greece, Ireland, Italy, Luxembourg,
The Netherlands, Portugal, Spain (with 2 Frequency channel restrictions), Sweden and United
Kingdom.
The ETSI version of this device is also authorized for use in EFTA member states Iceland,
Liechtenstein, Norway and Switzerland.
Revision
User’s Manual for PLANET Wireless USB Adapter
Model: WL-U351
Rev: 1.0 (May. 2003)
Part No. EM-WLU351
TABLE OF CONTENTS
CHAPTER 1 INTRODUCTION ..............................................................1
1.1 Features..............................................................................................1
1.2 Application...........................................................................................1
1.3 Specification........................................................................................3
1.4 Package Contents...............................................................................4
1.5 Minimum System Requirements..........................................................4
1.6 SAFETY PRECAUTION......................................................................4
CHAPTER 2 INSTALLATION PROCEDURE ............................................5
2.1 Hardware and Driver Installation.........................................................5
2.2 Utility Installation..................................................................................7
CHAPTER 3 CONFIGURATION UTILITY ...............................................10
3.1 Wireless Connection..........................................................................10
3.2 More Setting… ...................................................................................11
3.3 WEP Encryption................................................................................12
3.4 Advanced Setting...............................................................................13
3.5 Information........................................................................................14
CHAPTER 4 TROUBLESHOOTING ......................................................15
Chapter 1 Introduction
With IEEE 802.11b standard-based, WL-U351 provides 11Mbps wireless networking for USB-enabled
desktops or notebooks. It can operate in either Ad-Hoc mode (Point to Point/Point to Multipoint without
Access Point) or Infrastructure mode (Point to Point/Point to Multipoint with Access Point).
WL-U351 provides with an internal patch antenna, and thus making its size more compact. Regarding
the platform compatibility, WL-U351 supports most popular operating systems including Windows 98,
Me, 2000 and XP. Plus 64-bit and 128-bit WEP (Wired Equivalent Privacy) Encryption feature, WL-U351
offers a reliable and private wireless network connection. Its data rate support 11, 5.5, 2 and 1Mbps.
With its auto-fallback function, the data rate can be move to lower speed if signal quality is not good
enough.
The WL-U351 provides full mobility and seamless roaming feature for mobile users to keep network
connection across access points. Its range of coverage is up to 300 feet indoor and 800 feet outdoor.
1.1 Features
l 2.4GHz ISM band, unlicensed operation
l Wireless connection without the hassles and cost of cabling
l Wireless LAN IEEE 802.11b compliant
l Up to 11Mbps data rate with CSMA/CA
l Utilize Direct Sequence Spread Spectrum (DSSS) Technology to provide robust,
interference-resistant solution in a multi-user environment
l Support 64/128-bit WEP key
l Working range up to 300 feet indoor and 800 feet outdoor
l Support Ad-Hoc / Infrastructure mode
l Roaming capability to provide mobile computing for mobile worker to access network
resources anywhere in the field
l Seamless integration with IEEE 802.3 LAN through IEEE 802.11b compliant Access Point
l Supports most popular operating systems including Windows 98/Me/2000/XP
1.2 Application
Infrastructure
The WL-U351 provides access to a wired LAN for wireless workstations. An integrated wireless
and wired LAN is called an Infrastructure configuration. A group of WL-U351 PC users and an
Access Point compose a Basic Service Set (BSS). Each WL-U351 PC in a BSS can talk to any
computer in the wired LAN infrastructure via the Access Point.
An Infrastructure configuration extends the accessibility of a WL-U351 equipped PC to a wired
LAN, and doubles the effective wireless transmission range for 2 WL-U351 PCs. Since the Access
Point is able to forward data within its BSS, the effective transmission range in an infrastructure
LAN is doubled.
The use of a unique ID in a BSS is essential. All WL-U351 equipped PCs configured without
roaming options in an independent BSS must be configured with a BSS ID corresponding to the
WL-U351 used in the BSS. Check your WL-U351 for its BSS ID or use the Site Survey function on
Configuration Utility program to determine the BSS ID.
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The Infrastructure Wireless LAN configuration is appropriate for enterprise-scale wireless access
to a central database, or as a wireless application for mobile users.
Infrastructure mode also supports roaming capabilities for mobile users. More than one BSS can
be configured as an Extended Service Set (ESS). The continuous network allows users to roam
freely within an ESS. All WL-U351 PCs or other IEEE 802.11b compliant wireless adapter within
one ESS must be configured with the same ESS ID and use the same radio channel.
Before enabling an ESS with roaming capability, choosing a feasible radio channel and optimum
Access Point position is recommended. Proper Access Point positioning combined with a clear
radio signal will greatly enhance performance.
Ad-Hoc
An Ad-Hoc wireless LAN is a group of computers, each equipped with one WL-U351 adapter or
other wireless adapters, connected as an independent wireless LAN. Computers in a specific
Ad-Hoc wireless LAN must be configured to share the same radio channel.
Ad-Hoc wireless LAN configurations are appropriate for branch level departments or SOHO
operations.
WL-U351 offers a fast, reliable, cost-effective solution for wireless client access to the network in
applications like these:
1. Remote access to corporate network information
E-mail, file transfer and terminal emulation.
2. Difficult-to-wire environments
Historical or old buildings, asbestos installations, and open area where wiring is difficult to
employ.
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