TP-Link TL-WN321G User manual

TL-WN321G
54M Wireless USB Adapter
Rev:1.0.2
1910010186

I
COPYRIGHT & TRADEMARKS
Specifications are subject to change without notice. is a registered trademark of
TP-LINK TECHNOLOGIES CO., LTD. Other brands and product names are trademarks or
registered trademarks of their respective holders .
No part of the specifications may be reproduced in any form or by any means or used to make any
derivative such as translation, transformation, or adaptation without permission from TP-LINK
TECHNOLOGIES CO., LTD. Copyright © 2009 TP-LINK TECHNOLOGIES CO., LTD. All rights
reserved.
http://www.tp-link.com
FCC STATEMENT
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to pro-vide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses and can
radiate radio frequency energy and, if not in-stalled 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:
¾Reorient or relocate the receiving antenna.
¾Increase the separation between the equipment and receiver.
¾Connect the equipment into an outlet on a circuit different from that to which the receiver
is connected.
¾Consult the dealer or an experienced radio/ TV technician for help.
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.
2) This device must accept any interference received, including interference that may
cause undesired operation.
Any changes or modifications not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment.
FCC RF Radiation Exposure Statement

II
This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled
environment. This device and its antenna must not be co-located or operating in conjunction with
any other antenna or transmitter.
“To comply with FCC RF exposure compliance requirements, this grant is applicable to only
Mobile Configurations. The antennas used for this transmitter must be installed to provide a
separation distance of at least 20 cm from all persons and must not be co-located or operating in
conjunction with any other antenna or transmitter.”
CE Mark Warning
This is a class B product. In a domestic environment, this product may cause radio interference, in
which case the user may be required to take adequate measures.
National Restrictions
2400.0-2483.5 MHz
Country Restriction Reason/remark
Bulgaria General authorization required for outdoor use and
public service
France
Outdoor use limited to 10
mW e.i.r.p. within the band
2454-2483.5 MHz
Military Radiolocation use. Refarming of the 2.4 GHz
band has been ongoing in recent years to allow current
relaxed regulation. Full implementation planned 2012
Italy If used outside of own premises, general authorization is
required
Luxembourg None General authorization required for network and service
supply(not for spectrum)
Norway Implemented This subsection does not apply for the geographical area
within a radius of 20 km from the centre of Ny-Ålesund
Russian Federation Only for indoor applications
Note: Please don’t use the product outdoors in France.

TP-LINK TECHNOLOGIES CO., LTD
TP-LINK TECHNOLOGIES CO., LTD.
South Building, No.5 Keyuan Road, Central Zone, Science & Technology Park, Nanshan,
Shenzhen, P. R. China
DECLARATION OF CONFORMITY
For the following equipment:
Product Description: 54M Wireless USB Adapter
Model No.: TL-WN321G
Trademark: TP-LINK
We declare under our own responsibility that the above products satisfy all the technical
regulations applicable to the product within the scope of Council Directives:
Directives 1999/5/EC
The above product is in conformity with the following standards or other normative documents:
ETSI EN 300 328 V1.7.1: 2006
ETSI EN 301 489-1 V1.8.1:2008 & ETSI EN 301 489-17 V1.3.2:2008
EN60950-1:2006
EN62311:2008
Recommendation 1999/519/EC
Person is responsible for marking this declaration:
Zhao Jianjun
Director of International Business

CONTENTS
Package Contents .................................................................................................... 1
Chapter 1. Introduction .......................................................................................... 2
Overview .................................................................................................................... 2
Main Features ............................................................................................................ 2
LED Status ................................................................................................................. 2
Chapter 2. Installation ............................................................................................ 3
Hardware Installation ................................................................................................. 3
Software Installation................................................................................................... 3
Overview.........................................................................................................................3
Installation Guide ............................................................................................................3
Uninstall Software ...................................................................................................... 8
Uninstall the driver software from your PC .....................................................................8
Uninstall the utility software from your PC......................................................................8
Chapter 3. Configuration...................................................................................... 10
Configuration of Utility.............................................................................................. 10
Profile ..........................................................................................................................10
Network.........................................................................................................................13
Advanced......................................................................................................................14
Statistics........................................................................................................................15
Radio On/Off.................................................................................................................17
About........................................................................................................................... 17
An example for application ...........................................................................................17
Configure with Windows XP Wireless Zero Configuration ....................................... 18
Chapter 4. AP Mode .............................................................................................. 20
Config....................................................................................................................... 20
Access Control ......................................................................................................... 21
Mac Table ................................................................................................................ 22
Event Log ................................................................................................................. 23
Statistics................................................................................................................... 24
About........................................................................................................................ 25
Chapter 5. Example for Application .................................................................... 27
Configuration of PSP XLink Online game ................................................................ 27
Chapter 6. Appendix A: Glossary ........................................................................ 32
Chapter 7. Appendix B: Specifications ............................................................... 34

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Package Contents
The following items should be found in your package:
¾One TL-WN321G 54M Wireless USB Adapter
¾One USB extension cable
¾One TL-WN321G 54M Wireless USB Adapter Resource CD, including:
•Drivers and Utility
•User Guide
•Other Helpful Information
)Note:
Make sure that the package contains the above items. If any of the listed items are damaged or
missing, please contact with your distributor.

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Chapter 1. Introduction
Thank you for choosing the TL-WN321G 54M Wireless USB Adapter!
Overview
The adapter is a USB 2.0 pen-size wireless adapter supporting IEEE 802.11b/g 2.4GHz radio
operation. It provides high-speed wireless connection with data rate up to 54Mbps, and wireless
roaming allows the user to move among different AP without losing the current connection. The
adapter provides excellent security features, including TKIP, AES, WPA, and up to 128 bit WEP
encryption security, which makes the network almost impenetrable.
Featuring high performance of fast transmission rates, simple installation and adaptability, as well
as strong security the TL-WN321G 54M Wireless USB Adapter is the perfect solution for personal
and small business use.
Main Features
¾Complies with IEEE802.11g, IEEE802.11b standards
¾Supports WPA data security, IEEE802.1x authentication, TKIP/AES encryption, 64/128-bit
WEP encryption
¾Supports 54/48/36/24/18/12/9/6Mbps or 11/5.5/2/1Mbps wireless LAN data transfer rates
¾Provides USB interface
¾Supports Ad-Hoc and Infrastructure modes
¾Supports roaming between access points when configured in Infrastructure mode
¾Eases configuration and provides monitoring information
¾Supports Windows 98SE, 2000, XP, Vista
¾Internal Antenna
LED Status
The LED on the top of this card indicates Link/Act status. It blinks on green light when sending
and receiving data.

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Chapter 2. Installation
Hardware Installation
1. Connect one end of the USB cable to the Adapter.
2. Connect the other end of the USB cable to the USB port on your computer. Because the
Adapter gets its power from the host, there is no external power supply. The LED should light
up when the Adapter is plugged in and the PC is on.
)Note:
The Adapter can also be plugged into the USB port on your computer directly.
Software Installation
Overview
The Adapter’s Setup Wizard will guide you through the installation of the Utility and drivers for
Windows 98SE, 2000, XP and Vista.
Before you install the software, please plug the adapter into your PC. After that, you will be
prompted “Found New Hardware Wizard”, click the Cancel button, and run the Setup Wizard
program on the CD-ROM.
The Setup steps for Windows 98SE, 2000, XP and Vista are very similar, so the following
installation guide takes Windows XP for example.
Installation Guide
1. Insert the Resource CD into your CD-ROM drive, Double-click Autorun.exe to start the
installation,The following screen for preparing setup will appear.

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2. Click
TL-WN321G to display the drop-down menu. Click User Guide for more detailed
configuration. Click Browse CD to read the files on the CD. Click Exit to quit the setup wizard.
Select the Driver appropriate to your computer's operating system , and then the following
screen will pop up.
Figure 2-1 Preparing Setup
3. Then you’ll see the screen as follow, you can choose what to be installed.

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Figure 2-2 Setup Type
4. As next screen, you can select the configuration tool here.
Figure 2-3 Setup Type
I. If you want to install the TL-WN321G Wireless Utility, please select the TP-LINK
Configuration Tool and click Next.
II. If you only want to use the Microsoft Zero Configuration Tool to configure the wireless
connection, please select Microsoft Zero Configuration Tool and click Next.

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5. After that, you will see the next screen as below. Click Install to continue.
Figure 2-4 Ready to Install the Program
6. The following screen for installing will appear.
Figure 2-5 Setup Status
)Note:
During the installation, the system will warn about Windows Logo testing, please click Continue
Anyway to continue the installation.

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7. After the files have been successfully copied, the screen in Figure 2-6 will appear. Click the
Finish button to finish the wizard.
Figure 2-6 InstallShield Wizard Complete
After installing the driver successfully, you should see an icon or appear in your
system tray.

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Uninstall Software
Uninstall the driver software from your PC
1. On the Windows taskbar, click the Start button, and then click Control Panel.
2. Double-click the System icon, click on the Hardware tab in the System window.
3. Click on the Device Manager button, double-click Network Adapters, and then right-click
TL-WN321G 54M Wireless USB Adapter.
Figure 2-7 Device Manager
4. Click Uninstall shown in above Figure 2-7, the system will uninstall the driver software of the
adapter from your PC.
Uninstall the utility software from your PC
1. On the Windows taskbar, click the Start button, point to All programsÆTP-LINKÆTWCU,
and then click Uninstall-TL-WN321G.

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Figure 2-8 Uninstall the utility
2. Follow the Install Shield Wizard to uninstall the utility software from your PC.

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Chapter 3. Configuration
Configuration of Utility
TL-WN321G 54M Wireless USB Adapter can be configured by its utility for Windows 98SE, 2000,
XP, and Vista. This section will take the configuration in Windows XP for example and guide you
to configure your wireless adapter for wireless connectivity with trustable data security encryption
features.
The configuration steps in Windows 98SE, 2000 & XP & Vista are similar. For the configurations
in Windows 98SE, 2000 & Vista, please refer to the instructions in Windows XP.
After the Adapter's driver and utility has been installed, the adapter’s tray icon, or , will
appear in your system tray. It means the utility is running on your system. If the utility does not run,
you can run the utility by clicking: Start> Program> TP-LINK> TWCU> TL-WN321G Wireless
Utility. If the icon still does not appear, the driver or utility may be installed incorrectly or the
adapter is unplugged, please try again.
Icon means the connection has been established. Icon means there is no connection.
Double-click the icon and the configuration screen of the utility will appear. You can also run
the utility by clicking: Start> Program> TP-LINK> TWCU> TL-WN321G Wireless Utility. The
utility provides a complete and easy manage tools to:
¾Display current status information
¾Edit and add configured profiles
¾Display current diagnostics information
)Note:
If your OS is Windows XP, you can use Windows XP to configure the wireless network settings.
(To use this function, you must upgrade the OS with sp2).
If you want to use Windows XP to configure wireless network settings, just right-click the icon
at the bottom of the screen, and click Use Zero Configuration as Configuration utility to
switch the utility.
Profile
Click the Profile tab of the utility and the Profile screen will appear as Figure 3-1. The Profile
screen provides tools to:
¾Add a Profile
¾Edit a profile
¾Delete a profile
¾Activate a profile

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Figure 3-1 Profile Tab
1. To Add a new profile: Click the Add button on the Profile tab, the Profile configuration
screen will appear as shown in Figure 3-2. Enter the Profile Name and choose the SSID
from the pull-down list, then click OK to add it.
Figure 3-2 Add a new profile
¾Profile Name - Identifies the configuration profile. This name must be unique. Profile
names are not case-sensitive.
¾SSID - The IEEE 802.11 wireless network name. This field has a maximum limit of 32
characters.
¾RTS Threshold - Here you can specify the RTS (Request to Send) Threshold. The default
value is 2347.
¾Fragmentation Threshold - This value is the maximum size determining whether packets

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will be fragmented. Setting the Fragmentation Threshold too low may result in poor network
performance since excessive packages. 2346 is the default setting and is recommended.
2. To edit a profile: Highlight the desired profile name on Profile List, and click the Edit button,
the Profile configuration screen will appear shown in Figure 3-3.
Figure 3-3 Edit a Profile-System Configuration
¾System Config: Here you can change the Profile Name and SSID.
¾Auth.\Encry.: Click the Auth.\Encry., you can skip to the following screen.

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Figure 3-4 Edit a Profile-Auth.\Encry.
¾Authentication – You can choose the Authentication Type from the pull-down list with
three options, Open System, Shared-Key System or LEAP.
¾802.1x – It enables when Authentication Type is setting to WPA.
¾Encryption – Displays which encryption type that the driver is using. When you select Open
System, Shared-Key System as Network Authentication, there are two options: WEP and
Disabled. If you select WPA-PSK as Network Authentication, there are TKIP and AES
options instead of WEP and Disabled.
¾Wep Key – Key #1, Key #2, Key #3, Key #4, the Key groups. You can enter 10 hexadecimal
digits (any combination of 0-9, a-f, A-F) or 5 ASCII characters for 64-bit (also called 40bits)
encryption. You can enter 26 hexadecimal digits (any combination of 0-9, a-f, A-F) or 13
ASCII characters for 128-bit (also called 104bits) encryption.
3. To delete a profile: Highlight the desired profile name on Profile List, and click the Delete
button.
4. To switch to another profile: Highlight the desired profile name on Profile List, and click
the Activate button.
Network
Click the Network tab of the Utility and the Network screen with many available wireless network

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choices will appear as Figure 3-5.
Figure 3-5 Network tab
¾Rescan: Click the Rescan button to refresh the list at any time.
¾Add to Profile: Highlight an SSID and click the Add to Profile button to add the network to
the profile. The continued steps are similar to add a new profile, please refer to the 3.1.1
Profile: To Add a new profile.
¾Connect: Highlight an SSID and double-click or click the Connect button to connect to an
available network without adding it to the profile.
Advanced
Click the Advanced tab of the Utility and then you can choose the wireless mode on the following
screen.
Figure 3-6 Advanced
¾Enable TX Burst - It can translate more data when it enable.
¾Fast Roaming at – Roaming will disable when Transmit Power is below some dBm if the
function is selected.
¾Show Authentication Status Dialog- Click the checkbox to show the Authentication Status
Dialog.
¾Apply - Click the Apply button to save the current setting.

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Statistics
Click the Statistics tab of the Utility and you will see the following screen displaying the receiving
and transmitting statistical information. Click the Reset Counter button to reset the count of the
statistics information.
Figure 3-7 Statistics tab
QSS
Click the QSS tab of the Utility and you can configure the QSS function to joint an existing network
quickly in the following screen.
Figure 3-8 QSS tab
¾The QSS connection will be automatically displayed on the QSS Profile List. Pitch on the
Profile and click Export Profile to add a Profile to the Profile List (Section 3.1.1).
¾The Auto function is default to enable that the adapter will automatically try to build the
connection with the Access Point devices shown in the QSS AP List one by one.
¾You can also establish a wireless connection by using either Push QSS Button method or
PIN method. It is recommended that you choose the simplest method that your AP device
supports.