Azio AWU254 User manual

AZiO™ 54M Wireless USB Adapter
User’s Guide
MODEL: AWU254
www.aziocorp.com

COPYRIGHT & TRADEMARKS
Specifications are subject to change without notice. is a registered trademark
of AZiO Corporation. 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 AZiO Corporation. Copyright © 2007 AZiO Corporation. All rights reserved.

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 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:
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.
Changes or modifications to this unit not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
FCC RF Radiation Exposure Statement:
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.
IMPORTANT NOTE:
FCC Radiation Exposure Statement :
This device has been tested for compliance with FCC RF Exposure
(SAR) limits in the typical laptop computer configuration and this device can be
used in substantially similar laptop computers with side mounted PCMCIA slots. This
device cannot be used with handheld PDAs (personal digital assistants) or other portable
host devices. This device and its antenna must not be co-located or operated in
conjunction with any other antenna or transmitter.

CE Declaration of Conformity
For the following equipment: AWU254
Is here with confirmed to comply with the requirements set out in the Council Directive on
the Approximation of the Laws of the Member States relating to Electromagnetic
Compatibility (89/336/EEC), Low-voltage Directive (73/23/EEC) and the Amendment
Directive (93/68/EEC), the procedures given in European Council Directive 99/5/EC and
89/3360EEC.
The equipment was passed. The test was performed according to the following European
standards:
¾EN 300 328 V.1.4.1 (2003)
¾EN 301 489-1 V.1.4.1 (2002) / EN 301 489-17 V.1.2.1 (2002)
¾EN 60950-1: 2001
European standards dictate maximum radiated transmit power of 100mW EIRP and
frequency range 2.400-2.4835GHz; In France, the equipment must be restricted to the
2.4465-2.4835GHz frequency range and must be restricted to indoor use.

Table of Contents
Package Contents ..............................................................................1
Chapter 1: Introduction.....................................................................2
1.1 Overview of the product.............................................................................. 2
1.2 Features .................................................................................................... 2
1.3 LED Status................................................................................................. 2
Chapter 2: Installation Guide ............................................................3
2.1 Software Installation................................................................................... 3
2.1.1 Overview.......................................................................................... 3
2.1.2 Software Installation for Windows 2000.............................................. 3
2.2 Hardware Installation.................................................................................. 5
2.3 Uninstall Software ...................................................................................... 6
2.3.1 Uninstall the driver software from your PC.......................................... 6
2.3.2 Uninstall the utility software from your PC........................................... 6
Chapter 3: Configuration ...................................................................7
3.1 Profile ....................................................................................................... 7
3.1.1 Add or Edit a Configuration Profile ..................................................... 8
3.2 Link Status................................................................................................10
3.3 Site Survey ...............................................................................................11
3.4 Statistics...................................................................................................12
3.5 Advanced..................................................................................................12
3.6 About.......................................................................................................13
3.7 An example for application.........................................................................13
Appendix A: Specifications ..............................................................15
Appendix B: Glossary.......................................................................16
Appendix C: Contact Information....................................................18

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Package Contents
The following contents should be found in your box:
¾One AWU254 USB Wireless Adapter
¾One USB extension cable
¾Quick Installation Guide
¾One AWU254 Wireless Adapter Resource CD, including:
•Utility and Drivers
•User Guide
•Other Helpful Information
Note: If any of the listed contents is damaged or missing, please contact the retailer from
whom you purchased the AWU254 Wireless Adapter for assistance.

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Chapter 1: Introduction
1.1 Overview of the product
The AZiO AWU254 USB Wireless Adapter gives you the flexibility to enable your PC or
notebook PC wirelessly in the most convenient location available, without the cost or
hassle of running network cables.
Its auto-sensing capability allows high packet transfer up to 54Mbps for maximum
throughput, or dynamic range shifting to lower speeds due to distance or operating
limitations in an environment with excessive electromagnetic interferences. It can also
interoperate with all 11Mbps wireless (802.11b) products. Your wireless communications
are protected by up to 128-bit WEP and WPA encryption, so your data stays secure.
1.2 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 11/5.5/3/2/1Mbps 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, Me, 2000, XP
¾Internal Antenna
1.3 LED Status
The LED on the top of this device indicates Link/Act status. It blinks when sending and
receiving data.

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Chapter 2: Installation Guide
2.1 Software Installation
2.1.1 Overview
The Adapter’s Setup Wizard will guide you through the installation procedure for Windows
98SE, Me, 2000 and XP.This Setup Wizard will install the Wireless Utility and device
drivers.
If you install the hardware before the software, 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, Me, 2000 and XP are very similar. The following setup
steps are for windows 2000.
2.1.2 Software Installation for Windows 2000
1. Insert the Resource CD into your CD-ROM drive, click the Start button and choose
Run. In the field that appears, enter F:\XXX\Setup.exe (if “F” is the letter of your
CD-ROM drive; XXX presents the setup program path, which is labeled on the
Resource CD), figure 2-1 should then appear.
2. You can click the Cancel button to end the installation on the Preparing Setup screen,
figure 2-1. Otherwise, the Setup Wizard will display a screen similar to that shown in
figure 2-2 after a moment.
Figure 2-1 Preparing Setup
3. To continue, click the Next button on the screen, figure 2-2. Click the Cancel button
to end the Installation.

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Figure 2-2 Start Setup
4. Click Browse to change the destination location for the software in figure 2-3. Click
Next to continue the Installation. Click Back to return to the previous page, or click
Cancel to end the Installation.
Figure 2-3 Choose Destination Location
5. While files are copying, if you see a warning box as shown in figure 2-4, please select
YES to continue installation. Our drivers have been tested thoroughly and are able to
work with the operating system.

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Figure 2-4 Windows 2000 Warning Box
6. After the files have been successfully copied, the screen in figure 2-5 will appear.
Click the Finish button to finish the wizard.
Figure 2-5 Finish
7. After installing the software, Please plug the adapter into your PC. If you need
instructions as to how to do this, please refer to section 2.2 Hardware Installation. If
you have plugged it into you PC already, please un-plug it and plug it back in. The OS
will automatically detect the adapter and automatically setup the driver for the
adapter. If it does not, please follow the setup steps to finish the driver installation.
After installing the driver successfully, you should see an icon, or , appear in
your system tray.
2.2 Hardware Installation
1. Connect one end of the USB cable to the Adapter.

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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.
2.3 Uninstall Software
2.3.1 Uninstall the driver software from your PC
1. On the Windows taskbar, click the Start button, point to Settings, 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 AWU254 USB Wireless Adapter.
Figure 2-6 Uninstall Driver
4. Click Uninstall..., shown in above figure 2-6, the system will uninstall the driver
software of the adapter from your PC.
2.3.2 Uninstall the utility software from your PC
1. On the Windows taskbar, click the Start button, point to Settings, and then click
Control Panel
2. Double-click the Add/Remove Programs icon, find the AWU254 program from the
installed program list, highlight it and click the Remove button.
3. Following the Install Shield Wizard will uninstall the utility software from your PC.

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Chapter 3: Configuration
The AZiO AWU254 USB Wireless Adapter can be configured through its utility program.
This section describes how to configure your USB Wireless Adapter for wireless
connectivity on your Wireless Local Area Network (WLAN) and use the data security
encryption features.
After the Adapter's driver and utility has been installed, the adapter’s tray icon, or
, will appear in your system tray. This means the utility is running on your system. If
the utility does not run, you can run the utility by clicking: Start> Program> AZiO>
AWU254 WIRELESS UTILITY> AWU254 Wireless Utility. If the icon still does not
appear, the driver or utility may be installed incorrectly or the adapter is not connected,
please try again.
Icon means the connection has been established. Icon means there is no
connection/signal.
Double-click the icon and the configuration screen of the utility will appear. You can
also run the utility by clicking: Start> Program> AZiO> AWU254 WIRELESS
UTILITY> AWU254 Wireless Utility. The utility provides a complete and easy to use
set of tools to:
¾Display current status information
¾Edit and add configured profiles
¾Display current diagnostics information
The section below introduces the above capabilities.
Note: If your OS is Windows XP, you can use Windows XP to configure the wireless
network settings. (To use this function, you must update the OS with SP1 or higher).
If you want to use Windows XP to configure wireless network settings, just exit the utility.
Right-click the icon at the bottom of the screen, and click Exit to exit the utility.
3.1 Profile
Click the Profile tab of the utility and the Profile screen will appear, figure 3-1. The
Profile screen provides tools to:
¾Add a Profile
¾Delete a profile
¾Edit a profile
¾Activate a profile

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Figure 3-1 Profile Tab
To create a new profile, click the Add button on the Profile tab, the Profile
configuration screen will appear as shown in figure 3-2.
To edit a profile, highlight the desired profile name on Profile Name list, and click the
Edit button, the Profile configuration screen will appear shown in figure 3-1.
To delete a profile, highlight the desired profile name on Profile Name list, and click
the Delete button.
To switch to another profile, highlight the desired profile name on Profile Name list,
and click the Activate button.
Note: Do not forget to click the Apply button when you create a new profile for
connection.
3.1.1 Add or Edit a Configuration Profile
To add a new configuration profile, click Add button on the Profile Management tab. To
modify a configuration profile, select the configuration from the Profile list and click Edit.
The Profile Management dialog box will display a screen similar to that shown in Figure
3-2.
1. Edit the Configuration tab
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.
¾PSW (Power Save Mode)

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•CAM (Constantly Awake Mode) - Continuous Access Mode.
•PSW (Power Saving Mode)-Power Saving mode.
¾Network Type - Displays the wireless mode, either Ad-hoc or Infrastructure mode
¾Preamble - Specifies the preamble setting in 802.11b. The default setting is Auto
Switch (access point mode), which allows both short and long headers in the
802.11b frames. The adapter can only use short radio headers if the access point
supports and uses them.
¾RTS Threshold - Default is 2312.
¾Fragment Threshold - Default is 2312.
¾Ad-hoc mode - Displays the wireless mode, either 802.11B or 802.11B/G mode.
¾Channel - Shows the current channel in use. This field determines which operating
frequency will be used.
Figure 3-2 Add Profile - configuration
2. Edit the Authentication and Security tab

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Figure 3-3 Add Profile – configuration
¾Authentication Type - Three options, Open System, Shared-Key System or
LEAP.
¾802.1x Setting - 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.
3.2 Link Status
The Link Status tab displays the adapter's current status.

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Figure 3-4 Link Status
The following table describes the items found on the Network Status screen.
¾Status - Shows whether the station is connected to the wireless network, if not
connected, display RF is closed; if connected, displays AP name and BSSID.
¾Extra Info - Shows link status and the current channel in use.
¾Link Speed - Shows the current max Transfer rate, unit is Mbit/sec.
¾Throughput - Displays Tx and Rx rate, unit is Kbits/sec.
¾Link Quality - Shows the quality of the signal.
¾Signal Strength - Shows the strength of the signal.
3.3 Site Survey
Click the Site Survey tab of the Utility and the Site Survey screen will appear, figure
3-5. On the Site Survey screen you can scan the Available Infrastructure and Ad Hoc
Networks.

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Figure 3-5 Site Survey tab
Click the Rescan button to refresh the list at any time. Highlight an SSID and click the
Connect button to connect to an available network.
3.4 Statistics
The Statistics tab shows receiving and transmitting statistical information for the
following receive and transmit diagnostics for frames received by or transmitted to the
wireless network adapter. Click the Reset Counter button to reset the count of the
statistics information.
Figure 3-6 Statistics tab
3.5 Advanced
On this Screen, you can configure the WEP key or view the configured WEP key.

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Figure 3-7 Advanced
¾Wireless mode - Displays the wireless mode, either 802.11B/G mix or
802.11B only.
¾B/S Protection - There are three options: either Auto, Enable, or Close.
¾TxRate - Shows the current Transfer rate.
¾TxBURST - It can translate more data when it is enabled.
¾Fast Roaming at - Roaming will disable when Transmit Power is below xx dBm.
¾Turn off RF - The wireless radio of this adapter can be enabled or disabled. You
can turn the wireless radio off by selecting the check-box.
¾Apply - Click the Apply button to save the current setting.
3.6 About
This screen displays various information about this adapter, including Driver Date, Driver
Version, Utility Date, Utility Version, MAC Address, IP Address, SubMask, Power Save
mode and Preamble status.
¾Utility Version - The version of this utility.
¾Utility Date - The creation date of this utility.
¾Driver Version - The version of the wireless network adapter driver.
¾Driver Date - The creation date of the wireless network adapter driver.
¾EEPROM Version - The version of this EEPROM.
¾IP Address - The IP address of the wireless network.
¾Phy_Address - The MAC address of the wireless network adapter.
¾SubMask - The subnet mask of the wireless network.
¾Default Gateway - The default gateway of the wireless network.
Figure 3-8 About
3.7 An example for application
Suppose you are using an AP (Access Point) with the following settings: SSID is AZiO and
it adopts 64-bit encryption with the key 0123456789. To establish a connection with this

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AP, you should follow these steps below:
1. Launch AZiO Wireless Utility.
2. Click the Profile tab of the utility and click the New button on the screen that
appears.
3. The Profile configuration screen will appear, please enter
Test for the Profile Name,
AZiO for the SSID, select Infrastructure for the Network Mode, select WEP for the
Data Encryption and enter
0123456789 for Network key.
4. Click OK to save this profile.
5. Click Apply on the Profile screen. The utility will establish a connection with this AP
by configured profile.

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Appendix A: Specifications
Normal
Interface A-type USB 2.0 Connector
Standards IEEE802.11b; IEEE802.11g
Operating System Windows 98Se, Me, 2000, XP
Transmission
Distance In door up to 100m, out door up to 300m (it is limited to the environment).
Radio Data Rate 54/48/36/24/18/12/9/6Mbps or 11/5.5/3/2/1Mbps
(Auto Rate Sensing)
Modulation 1M DBPSK; 2M DQPSK; 5.5M, 11M CCK; 6M, 9M, 12M, 18M, 24M,
36M, 48M, 54M OFDM;
Media Access
Protocol CSMA/CA with ACK
Transmit Power 22dBm (Typical)
Data Security WPA; 64/128 BIT WEP; TKIP/AES; IEEE802.1x authentication
Frequency 2.4 ~ 2.4835GHz
Spread Spectrum Direct Sequence Spread Spectrum (DSSS)
Power Consumption Typically 480mA in full Transmit (TX), 420mA in full Receive (RX)
Safety & Emissions FCC, CE
Physical Environmental
Operating Temp 0 ~40 (℃℃32℉~104℉)
Storage Temp -40℃– 70℃(-40 ~158℉℉)
Humidity 10% - 95% RH, Non-condensing
Dimensions
(W×D×H) 3.4×1.0×0.5 in. (86×26×12 mm)