Alfa Network Wireless LAN USB Adaptor User manual

Wireless LAN USB Adaptor
User Manual V1.0
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USING THIS DOCUMENT
This document provides detailed user guidelines for Wireless
LAN USB Adaptor operation and setting-up. Though every effort has been
made to ensure that this document is up-to-date and accurate, more information
may have become available subsequent to the production of this guide.
Content
Chapter 1 Introduction ...................................................................................3
Chapter 2 Specifications ................................................................................4
Chapter 3 Installation/ Uninstallation.........................................…................5
3.1 Installation.......................................................................……................5
3.2 Uninstallation ..................................................................……...............10
Chapter 4 RtWLAN: Wireless LAN Management GUI ............…...................12
4.1 Introduction of Main Window.......................................……..................12
4.2 Station Mode ...........................................................……........................16
4.3 AP Mode ........................................................................……...................22
Appendix 1: How to Use 802.1x ( Step by Step )..........................…..............27
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RELEASE HISTORY

Chapter 1 Introduction
Thank you for purchasing Wireless LAN USB Adaptor.
Wireless LAN USB Adaptor is a perfect combination of both
performance and cost-effective product introduced. It is sincerely hoped that you
can enjoy the wireless world through this solidly profiled wireless adaptor.
It provides a full solution of all the IEEE 802.11 b/g protocols, that
pass the WiFitests and are compatible with all the wireless
products with WiFilogo. If you have a Wireless LAN USB Adaptor
on hand, it means you can connect to the wireless world without any
difficulty.
It also provides all the data rates in the IEEE 802.11 b/g standards, with
both short and long preambles to ensure the compatibility of legacy wireless
products and new ones, saving the panic works for end users to find
compatible products.
Since the security issue has become one of the most important one in the wireless
society, it provides you with the full security coverage from the 64/128bits
WEP encryptions, second generation WPA-PSK encryption, to the most
advanced WPA2-AES encryption. WPA2 is the latest security standard currently
approved by WiFistandards.
Saving mode, Adhoc wireless Lan, Wake on Lan (WOL) and other exciting
features are also included in this Wireless LAN USB Adapter. This user manual will
guide you through these exciting features in the following chapters and we is believed
that you will be greatly satisfied with its performance and ease of use.
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Chapter 2 Specifications
Host system connections
Interface Fully complies with USB 2.0 or 1.1
USB date transfer rate USB high speed (480Mbps), and full speed (12Mbps)
Wireless LAN (WLAN) environment connections
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Chapter3Installation/ Uninstallation
3.1Installation
Before youproceedwiththe installation, please notice the followingdescriptions.
Note1:Thefollowinginstallationwas operatedunderWindows XP.(Procedures
are similarforWindows 98SE/Me/2000.)
Note2:IfyouhaveinstalledtheWLANUSBdriver& utilitybefore, please uninstall
the oldversionfirst.
1. If you insert the Wireless LAN Network Adaptorinto yourcomputerUSB port before
installingthe software programfromthe CD, then autoinstallation windowpops up
as follows:
2. Click DriverInstallation
1-1. If you insert the Wireless LAN USB Adaptorinto yourcomputerUSB port after
installingthe software programfromthe CD, then the following windowpops up.
2-1. Click Cancel.

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3. Choose a setup language.
4.Click OK.
5.Click Next to process theinstallation.

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6.The systemstarts softwareinstallation of theWLAN USB adaptor.
7.On WindowsLogo SoftwareInstallation screen, click ContinueAnyway to continue.
Note: Not allthe drivers willhave this message box.

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8Click Finish to complete the installation.
9. Aftersetup, restart yourcomputer.

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3.2 Uninstallation
A. Uninstall the WLAN USB Adaptor Driver from “Start”“All Programs”
From “Wireless Network Driver and Utility” or “Control
Panel””Change or Remove Programs”.
Click “Uninstall” (or “Change/Remove”) to remove
Wireless LAN USB Adaptor driver.
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B. Click “OK” if you want to remove Wireless LAN USB Adaptor
Driver .
C. Click “Finish” to complete the uninstallation.
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Chapter4RtWLAN:WirelessLAN
Management GUI
4.1 Introduction of Main Window
A. Main Menu
The main menu includes five submenus.
 Refresh
When clicking the refresh menu, you can update and re-enumerate the contents
of adaptor list area.
 Mode (M)
Wireless configuration is quickly switched to be either [Station] or [AP].
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 View (V)
Enable/disable the presence of status bar. Without the check mark (v) the status bar
will be hidden.
 Help (H)
Click the menu item “About RtWLan” to show the about dialog. The application
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version and license information are shown in the about dialog.
B. Adaptor List Area All connected adaptors on this system with multiple adaptor
installations are displayed in this area. It is easy for users to change the selected
adaptor by one click. The contents of properties area are dependant on wireless
configuration that the selected adaptor is set up. If only single adaptor is
installed on the system, only one adaptor is always selected.
C. Properties Area The contents of this area are dependent on current wireless
configuration. The current configuration is determined on previous explanation of
submenu “Mode”. The more detailed contents are described in the following wireless
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configuration sections for both Station and AP mode.
D. Global Control Bar
Each control item on this bar affects the adaptor or management GUI directly.
 Show Tray Icon
Checking "Show Tray Icon" and clicking “Close” button, the management
GUI will be minimized and stay on the tray icon located at the right bottom corner
of Windows. If not, management GUI will shut down while clicking "Close" button
with unchecked condition.
Turn off the radio to save power. While the radio is off, the links with other
wireless network nodes are disconnected. User should be aware that while the
wireless configuration is in AP mode. The radio off will cause the sub network
belonging to the AP to be disconnected with internet/intranet.
 Close
Whether to check or uncheck "Show Tray Icon" is to shutdown or hide the management
GUI.
E. Status Bar
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 Radio Off

The hints or status of the management GUI are presented in the status bar.
4.2 Station Mode
The following explanations focus on the properties area.
Infrastructure and Ad-Hoc
With both Infrastructure and Ad-Hoc types, the properties should look like the
picture above. Six property pages present different information of current
wireless network status. Please read the following explanations before you reviewing
these pages, it could help you to well understand the wireless environment around the
system. It is easy to use to switch property pages just by clicking left button of
mouse on the title of each page. The following six sections describe detailed
information of each page.
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A. General Page
This page represents the general information of this adapter.
1. Status
The status of station connection to AP.
2. Speed
Current transition speed in Mbps (Mega-Bits-Per-Second).
3. Type
Current wireless LAN configuration type.
4. Encryption
Current encryption mode used.
5. SSID
Name of wireless network.
6. Signal Strength
The average signal quality of packets received from wireless network.
We recommend connecting AP with over 70% signal strength.
7. Throughput Diagram
Current throughput, including transmission (Tx) and total traffic (Total).
8. Network Address
 Mac Address: six two-digital number of this Wireless LAN USB adaptor
 IP Address: assigned network address by DHCP server or
self-definition in four three-digital number format.
■ Subnet Mask: the only valid value is 2555.255.255.0
■ Gateway: It comes from connected AP. Your system can not
connect internet with this field empty.
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B. Profile Page
This page provides profiles management such as add, remove, edit and duplicate
just by pressing the respected button.
Available Profile(s)
The list box shows all the created profiles.
1. Add
Add a new profile for AP or IBSS (Ad-Hoc mode).
2. Remove
Remove the selected profile.
3. Edit
Edit contents of selected profile.
4. Duplicate
Make copy of selected profile.
5. Set Default
Set the selected profile as default selection.
6. Available Network Page
This page presents all BSS, including AP and IBSS, around this
system. You can pick any one of these network connections.
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C. Available Network(s)
Show network connection around this system
1. Refresh
Rescan network connection around this system.
2. Add to Profile
Create profile for selected network connection and add it to to profile list.
D. Advanced Page
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1. Power Save
 None: without power save function.
Min: wake up more frequently to receive packets.
Max: wake up less frequently to receive packets.
2. Wireless Mode
802.11b
802.11g/b
3. 802.11b Preamble Mode
 Long: higher quality but with lower
performance than preamble short mode.
Short: Normal quality but with higher
performance than preamble long mode.
Auto: use the preamble mode of current.
BSS.
4. Fragment Threshold
The threshold of fragment length. Higher threshold increase data transition
performance with good signal quality. However, in a poor signal quality
environment, data throughput might be worse on high fragment threshold
than low fragment threshold.
5. RTS Threshold
Threshold of Request To Send mechanism. The RTS frame will not send out
until the packet size over threshold.
6. WOL (Wake On LAN)
The wake-on-LAN is applied for remote control purpose. You could wake up a
system through network packets. For Wireless LAN USB Adaptor, only the same
adaptor on another system could wake it up.
 Input MAC Address: the six two-digit numbers of Wireless LAN USB Adapter
on target system.
 Wake Up: click this button to wake it up .
7. Set Defaults
Restore the default value to be current settings.
8. Apply
Apply the current settingsto GUI.
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