Aztech WL552USB User manual

Wireless N USB Adapter

User Manual
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2010 © All rights reserved Version 1 1
No part of this document may be reproduced, republished, or retransmitted in any form or by any means
whatsoever, whether electronically or mechanically, including, but not limited to, by way of photocopying,
recording, information recording, or through retrieval systems without the express written permission We
reserve the right to revise this document at any time without the obligation to notify any person and/or
entity All other company or product names mentioned are used for identification purposes only and may
be trademarks of their respective owners
LIMITATION OF LIABILITY AND DAMAGES
THE PRODUCT AND THE SOFTWARES WITHIN ARE PROVIDED "AS IS," BASIS THE MANUFACTURER AND
MANUFACTURER’S RESELLERS (COLLECTIVELY REFERRED TO AS “THE SELLERS”) DISCLAIM ALL WARRANTIES,
EXPRESS, IMPLIED OR STATUTORY, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF NON-
INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, OR ANY WARRANTIES
ARISING FROM COURSE OF DEALING, COURSE OF PERFORMANCE, OR USAGE OF TRADE IN NO EVENT WILL
THE SELLERS BE LIABLE FOR DAMAGES OR LOSS, INCLUDING BUT NOT LIMITED TO DIRECT, INDIRECT,
SPECIAL WILLFUL, PUNITIVE, INCIDENTAL, EXEMPLARY, OR CONSEQUENTIAL, DAMAGES, DAMAGES FOR
LOSS OF BUSINESS PROFITS, OR DAMAGES FOR LOSS OF BUSINESS OF ANY CUSTOMER OR ANY THIRD
PARTY ARISING OUT OF THE USE OR THE INABILITY TO USE THE PRODUCT OR THE SOFTWARES, INCLUDING
BUT NOT LIMITED TO THOSE RESULTING FROM DEFECTS IN THE PRODUCT OR SOFTWARE OR
DOCUMENTATION, OR LOSS OR INACCURACY OF DATA OF ANY KIND, WHETHER BASED ON CONTRACT,
TORT OR ANY OTHER LEGAL THEORY, EVEN IF THE PARTIES HAVE BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES THE ENTIRE RISK AS TO THE RESULTS AND PERFORMANCE OF THE PRODUCT OR ITS
SOFTWARE IS ASSUMED BY CUSTOMER BECAUSE SOME STATES DO NOT ALLOW THE EXCLUSION OR
LIMITATION OF LIABILITY FOR DAMAGES, THE ABOVE LIMITATION MAY NOT APPLY TO THE PARTIES IN NO
EVENT WILL THE SELLERS’ TOTAL CUMULATIVE LIABILITY OF EACH AND EVERY KIND IN RELATION TO THE
PRODUCT OR ITS SOFTWARE EXCEED THE AMOUNT PAID BY CUSTOMER FOR THE PRODUCT

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Contents
About the Product ...................................................................................................... 5
Getting Started........................................................................................................... 6
Check Package Contents.............................................................................. 7
Using the USB Extension 7
Remove or Disable Conflicts ........................................................................ 7
Internet Sharing, Proxy, and Security Applications 8
Configuring Internet Properties 8
Removing Temporary Internet Files 8
nstallation ................................................................................................................. 9
Configuration ........................................................................................................... 15
Connecting to non-Secured Wireless AP .................................................... 15
Connecting to WEP-Secured Wireless AP ................................................... 16
Connecting to WPA-PSK-Secured Wireless AP............................................ 17
About WL552USB Utility ........................................................................................... 18
Network Tab.............................................................................................. 18
Button Section 19
Function Section 19
Profile........................................................................................................ 22
Definition of each field: 22
Icons and buttons: 23
Add/Edit Profile 23
Network .................................................................................................... 27
Definition of each field 28
Icons and buttons 28
Connected network 29
Advanced................................................................................................... 30
Definition of each field 31
Link Status................................................................................................. 31
Throughput 32
Statistics 32
Transmit Statistics 33

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Received Statistics 34
WPS ........................................................................................................... 34
Definition of each field 35
Security...................................................................................................... 37
Auth /Encry Setting - WEP/TKIP/AES 37
802 1x Setting 38

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About the Product
WL552USB provides wireless connectivity to desktop and notebook computers The
device performs the function of a radio broadcaster and receiver to communicate with a
wireless network This gives the computer connected with WL552USB the capability to
communicate with other devices and use the Internet service available in the wireless
network
WL552USB is capable of connecting with wireless networks that utilize the Wireless N
protocol This device also supports connection to other wireless network standards like
Wireless G or Wireless B WL552USB is easy to setup - install the necessary driver
software, connect it to an available USB slot, and then connect to a wireless network The
device comes with a Windows-based software called WL552USB Utility that can be used
to connect to wireless networks and create profiles which remembers the configuration
details for a wireless network
Note:
Note:Note:
Note: Wireless connection speed is not correlated to Internet access speed Internet
access speed from popular broadband DSL or cable Internet services normally
provides up to 3 Mbps connection, which can be easily handled even by the slower
Wireless B protocol

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Getting Started
Setting up the device is easy The flowchart below provides an outline of the steps
needed to complete the installation Brief descriptions appear beside each step Detailed
instructions are provided in the subsequent pages
Remove/Disable
Conflicts
Check Package
Contents
Install the Device
The package includes the Wireless
N USB Adapter, Easy Start Guide,
Resource CD and USB Extension
Check proxy application, TCP/IP
Settings, Internet Properties, and
remove temporary Internet files
Install the device and then connect
to a wireless network
Ready to Use

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Check Package Contents
Make sure that you have the following items If any of the items is damaged or missing,
please contact your dealer immediately
 WL552USB
 Easy Start Guide
 Resource CD – contains WL552 Utility installer, and User Manual
 USB Cable
Using the USB Extension
The USB Extension helps you place the device to a more prominent location and to
achieve a better reception of the wireless network It is most useful for desktop
computers with USB 2 0 ports placed behind the computer casing USB ports placed in the
front of the computer are usually the slower USB 1 0 variant
To use the USB Extension, connect one end to a USB 2 0 port in your computer, and then
attach the WL552USB at the other end
Remove or Disable Conflicts
To make sure the device installation moves on smoothly, you need to remove or disable
conflicts that may interfere the installation Probable conflicts may include:
 Internet sharing applications
 Proxy software
 Security software
 Internet properties
 Temporary Internet files

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Internet Sharing, Proxy, and Security Applications
Internet sharing, proxy software, and firewall applications may interfere with the
installation These should be removed or disabled before start the installation
If you have any of the following or similar applications installed on your computer,
remove or disable them according to the manufacturer’s instructions
Internet Sharing Applications
Internet Sharing ApplicationsInternet Sharing Applications
Internet Sharing Applications Proxy Software
Proxy SoftwareProxy Software
Proxy Software Security Software
Security SoftwareSecurity Software
Security Software
Microsoft Internet Sharing WinGate Symantec
WinProxy Zone Alarm
Configuring Internet Properties
To set the nternet Properties:
1 Click the Start button, and then click Run This opens the Run dialog box
2 Type control inetcpl cpl, and then click OK This opens Internet Properties
3 Click Connections tab
4 In Dial-up and Virtual Private Network settings, check Never dial a connection
5 To close Internet Properties, click OK
Removing Temporary Internet Files
Temporary Internet files are files from Web sites that are stored in your computer Delete
these files to clean the cache and remove footprints left by the Web pages you visited
To remove temporary nternet files:
1 Click the Start button, and then click Run This opens the Run dialog box
2 Type control, and then click OK This opens Control Panel
3 Double-click Internet Options This opens Internet Options
4 In the Temporary Internet Files pane, click Delete Cookies
5 Click Delete Files
6 To close Internet Properties, click OK

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nstallation
Here are the instructions on how to install the driver software for Windows 2000, XP, and
Vista
Note:
Note: Note:
Note: Do not connect the device until the Utility is completely installed
To install the driver software:
1 Insert the Resource CD to the CD-ROM This opens the WL552USB Utility Setup If
the Utility does not open automatically, click the Start button, and then click Run
Enter d:\setup exe, where d is the CD-ROM drive
2 Wizard will now move to next step for license agreement, check the option ‘I
accept the terms of the license agreement’

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3 Click Next
4 Select either of the options available:
a Install driver and Ralink WLAN Utility, this will install driver for the adaptor, and
the wireless utility
b Install driver only, this will install only the driver for the adaptor

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5 Click Next
6 If you selected the first option, please select either one of the options available:
a Ralink Configuration Tool
b Microsoft Zero Configuration Tool

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7 Click Next
8 Click Install, required driver/utility is now being installed into the PC

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9 Click Finish to exit the wizard, installation is now complete

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Configuration
This chapter describes how to configure WL552USB to get connected to your WLAN
router
The adaptor’s configuration in windows XP is similar with windows 2000 and windows
Vista This user guide describes the configuration for windows XP
After installing the adaptor, the adaptor’s tray icon will appear in your system tray It
appears at the right hand side bottom of the screen The icon will change color to reflect
current wireless network connection status The status is shown as follows:
: Indicates the connected and signal strength is good
: Indicates the connected and signal strength is normal
: Indicates that it is not yet connected
: Indicates that a wireless NIC can not be detected
: Indicates that the connection and signal strength is weak
Connecting to non-Secured Wireless AP
1 Click Site Survey icon then select the AP desired

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2 Click Connect button to connect to the desired AP
Connecting to WEP-Secured Wireless AP
1 Select an AP with WEP encryption and click "Connect"
2 The Authentication and Encryption window will appear as below
3 Select the Default Key and Key format set on the AP then enter the WEP key on
the required field Click Next to connect to the desired AP

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Connecting to WPA-PSK-Secured Wireless AP
1 Select an AP with WPA-PSK encryption and click Connect
2 The Authentication and Encryption window will appear as below Select WPA-PSK
as the Authentication Type then select TKIP or AES encryption on the drop down
box and click Next
3 Enter the WPA Preshared Key on the required field Click Next to connect to the
desired AP

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About WL552USB Utility
WL552USB Utility is a software application used in tandem with the device to connect to
a wireless network and to configure the device settings WL552USB Utility can be
installed on computers running Windows 2000, XP, or Vista
To connect to a wireless network:
1 Connect Wireless N USB adapter to a USB port
2 When your device is detected, a new icon appears in the System tray
Double-click this icon to open WL552USB Utility
Network Tab
When starting RaUI, the system will connect to the AP with best signal strength without
setting a profile or matching a profile setting When starting RaUI, it will issue a scan
command to a wireless NIC After two seconds, the AP list will be updated with the
results of a BSS list scan The AP list includes most used fields, such as SSID, network
type, channel used, wireless mode, security status and the signal percentage The Check
icon indicates the connected BSS or IBSS network The dialog box is shown in the below
figure

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There are three sections to the RaUI dialog box These sections are briefly described as
follow
Button Section
Includes buttons for the Site Survey, Link Information, Profile page, Advanced page, the
About button, Help and Radio On/Off button
Function Section
Appears to present information and options related to the button
Link Information Page

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Profile page
Network page