SofaWare Technologies SBX-11GWLAN-5 2.4G WLAN MINI PCI MODULAR User Manual WLG 1302 UserMan

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802.11g/super-g
WLAN Card
User’s Manual
20060928
Table of Contents
About This User’s Manual ......................................................................................ii
Chapter 1 Introduction ...................................................................................................1
1-1 Wireless LAN Basics .........................................................................1
1-1-1 Local Area Network (LAN).........................................................1
1-1-2 Wireless Network Topologies ....................................................1
1-1-3 802.11g/super-g ........................................................................3
Chapter 2 Installing the Driver and Utility Software.....................................................4
2-1 System Requirements .......................................................................5
2-2 Installing the driver and software .......................................................5
Chapter 3 Utility Configuration .....................................................................................8
3-1 Accessing the Atheros Configuration Utility .......................................8
3-1-1 Note to Windows XP Users .......................................................9
3-2 Network Basic Configuration ...........................................................10
3-2-1 General Tab.............................................................................10
3-2-2 Security Tab ............................................................................11
3-2-3 Advanced Tab..........................................................................14
3-3 Connecting to an Existing Network ..................................................16
3-4 Modifying a Configuration Profile .....................................................17
3-5 Removing a Configuration Profile ....................................................17
Chapter 4 Checking Status or Statistics .......................................................................18
4-1 Status Monitor Tray Icon ..................................................................18
4-2 Current Status Tab ...........................................................................19
4-2-1 Advanced Status .....................................................................21
4-3 Diagnostics Tab ...............................................................................21
4-3-1 Advanced Statistics .................................................................22
4-3-2 Driver Information....................................................................23
Chapter 5 ACU Toolbar ...............................................................................................24
5-1 Action Menu .....................................................................................24
5-2 Options Menu ..................................................................................25
5-3 Help Menu .......................................................................................25
Chapter 6 Uninstalling the Wireless LAN Card ..........................................................26
Chapter 7 Uninstalling the Wireless LAN Card ..........................................................28
Appendix A Setting Up TCP/IP ...................................................................................30
About This User’s Manual
This manual was written for Mini PCI Wireless LAN Card. For brevity,
throughout this manual Wireless LAN Card is used to indicate
802.11g/super-g WLAN Card Mini PCI. Also, the following
terms/abbreviations are used interchangeably:
• Access Point-AP
• Wireless LAN-WLAN
• Ethernet network-LAN-network
This User’s Manual contains information on how to install and configure your
Wireless LAN Card. From now on, we will guide you through the correct
configuration steps to get your device up and run.
FCC Information
This device, IEEE 802.11b/802.11g/super-g Wireless USB Adaptor, complies
with Part 15 B/15C 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 Communications Commission (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:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to
ii
which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
Warning: Changes or modifications to this unit not expressly approved by the
party responsible for compliance could void the user authority to operate the
equipment.
Tested to comply with FCC standard. FOR HOME OR OFFICE USE.
FCC RF Radiation Exposure Statement:
1. This equipment complies with FCC RF radiation exposure limits set forth for
an uncontrolled environment, under 47 CFR 2.1093 paragraph (d)(2).
2. This Transmitter must not be co-located or operating in conjunction with any
other antenna or transmitter.
The IEEE 802.11b/g Wireless LAN USB Adaptor has been tested to the FCC
exposure requirements (Specific Absorbtion Rate).
The antenna(s) used for this transmitter must be installed to provide a
separation distance of at least 20 cm from all persons.
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802.11g/super-g WLAN Card User’s Manual
Chapter 1 Introduction
The Wireless LAN Card design is based on Atheros WLAN chipset. It supports
802.11g/super-g standards to provide maximum data rates of 108Mbps.
1-1 Wireless LAN Basics
This section contains some Wireless LAN basics to help you better understand
how the products work together to create a wireless network.
1-1-1 Local Area Network (LAN)
Simply put, a LAN is a network that exists in a relatively limited area. A network
is two or more computers connected together sharing files and peripheral
devices such as printers.
The Wireless LAN Card allows you to interact with other computers without
having to run cables normally associated with networks. This lets you move your
computer around while staying connected to your network.
There are two ways to use the Wireless LAN Card. One way is to connect
directly to one or more Wireless LAN Card equipped computers, forming an Ad
Hoc wireless network. The second way is to connect to an Access Point that
gives you access to an existing wired LAN, forming an Infrastructure wireless
network.
1-1-2 Wireless Network Topologies
The 802.11 standard defines two wireless modes: Infrastructure mode and Ad
Hoc mode.
Ad Hoc Network
An Ad Hoc network offers peer to peer connections between wireless stations
that are in range of each other. The stations communicate directly with each
other without using an Access Point or any connection to a wired network. This
mode is useful for quickly and easily setting up a wireless network anywhere
that a wireless infrastructure does not exist or is not required for services. In an
Ad Hoc network, all wireless stations must have the same SSID, channel and
WEP keys (if enabled) to communicate with each other.
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802.11g/super-g WLAN Card User’s Manual
Figure 0-1 Ad Hoc Network
Infrastructure Network
An Infrastructure wireless network consists of at least one Access Point
connected to the wired network infrastructure and a set of wireless end stations.
The AP acts as a gateway, linking the wireless network to a wired LAN. As a
result, wireless stations have access to all of the features of your wired LAN
including e-mail, Internet, network printers and files server access.
Figure 0-2
Infrastructure Network
Roaming Between Multiple Access Points
For large environments, multiple Access Points can be implemented to extend
the wireless service coverage area for seamless wireless access. It allows
wireless clients to roam from one AP to another while maintaining the wireless
connectivity at all times. A wireless client wandering across multiple APs will
automatically change the operating radio frequency as required.
In a roaming network, all APs and wireless clients must have the same Service
Set Identity (SSID) and security setting (if enabled). Alternatively the mobile
station may use an SSID of “any” to associate with any available AP, regardless
of the AP’s SSID. Roaming among different Access Points is controlled
automatically to maintain the wireless connectivity at all times.
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802.11g/super-g WLAN Card User’s Manual
Figure 0-3 Roaming Across Multiple Access Points
1-1-3 802.11g/super-g
This Wireless LAN Card is an IEEE 802.11g/super-g radio solution. Getting
familiar with some technical terms will help you better understand your device.
• Operating Frequency Band
• Operates in the 2.4GHz band .
• Data Rates
• Supports data rates of 1, 2, 5.5, 6, 9,11, 12, 18, 24, 36, 48 and
54M,108Mbps.
• Modulation
• Complementary Code Keying (CCK) and Orthogonal Frequency Division
Modulation (OFDM).
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802.11g/super-g WLAN Card User’s Manual
Chapter 2 Installing the Driver and Utility Software
This chapter describes the first-time installation of the driver and software for the
Wireless LAN Card. Proper driver installation is to allow the device to operate on
your host computer while the utility software, a Windows program, is to help you
configure and monitor your Wireless LAN Card.
Note
This Mini PCI model is an integrated Wireless LAN Card solution, your
laptop computer is probably shipped with its driver and software
properly installed. If this is the case, ignore this chapter and proceed
with the configuration steps in the next chapter.
In case you need to re-install the driver and software for any reason, we
recommend that you remove any previously installed driver and software from
your system first. Refer to the section “0 Uninstalling the Wireless LAN Card”
for the instructions on how to remove previous driver releases.
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802.11g/super-g WLAN Card User’s Manual
2-1 System Requirements
To use the Wireless LAN Card, your computer must meet the following minimum
requirements:
• Windows 98/Me/2000/XP
• 32 MB of RAM or greater
• 300 MHz processor or higher
• UL listed I.T.E. computers
2-2 Installing the driver and software
If your operation system has not been installed with the Wireless LAN Card
driver, the Windows Plug-and-Play capability will automatically detect the new
device (e.g., Ethernet Controller) and display the wizard requesting for drivers.
Click Cancel to bypass the wizard screen and then take out the steps below.
1. Close all Windows programs that are running.
2. Insert the provided Software Utility CD into your CD-ROM drive. Run
Setup.exe from the Software Utility CD to launch the setup program.
3. When the Atheros Install Program screen appears, click Next.
4. Click Yes to accept the license agreement.
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802.11g/super-g WLAN Card User’s Manual
5. For first-time installation, select the first option as shown below then
click Next.
6. Let Enable icon in system tray check box selected. Click Next.
7. Read the following instructions about the utility (ACU or ZERO) you want
to use to control your Wireless LAN Card. Click Next to continue.
8. Select the preferred utility then click Next.
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802.11g/super-g WLAN Card User’s Manual
9. Click Finish to complete the installation and reboot your computer.
Depending on your operating system, following situation may occur during the
installation:
For Windows XP: When Found New Hardware Wizard appears, have Install
the software automatically selected and follow the on-screen instructions to
proceed. If digital signature message appears, just click Continue Anyway.
Now you are done with the installation procedure. Proceed to next chapter to
configure or fine-tune your Wireless LAN Card settings.
If you need to set up the TCP/IP properties of your Wireless LAN Card,
refer to “0 Setting Up TCP/IP” for details
Note
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802.11g/super-g WLAN Card User’s Manual
Chapter 3 Utility Configuration
The configuration of the Wireless LAN Card is done through the Atheros Client
Utility (ACU). The user-mode utility also includes a number of tools to display
current statistics and status information pertaining to your Wireless LAN Card.
The Atheros Client Utility screen pops up with three available tabs: Current
Status, Profile Management, and Diagnostics. This chapter will focus on the
Station Configuration tab to guide you through the configuration tasks. For
description of other tabs, please refer to “0 Checking Status or Statistics”.
3-1 Accessing the Atheros Configuration Utility
You can access the Atheros Client Utility by any of the following methods:
• Double-click the Atheros Client Utility tray icon on the system tray.
Atheros wireless tray icon
Note
If the tray icon is not launched, you can manually start the utility tray
icon by selecting Start > Programs > Atheros > Atheros Client
Utility.
• Right-click the ACU tray icon and select Launch Client Utility… from the
context menu.
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802.11g/super-g WLAN Card User’s Manual
3-1-1 Note to Windows XP Users
Windows XP provides built-in Wireless Zero Configuration Utility for wireless
network. The utility is enabled by default. When it is active, it will override the
Network Name, Security and other settings of the Atheros Client Utility.
If you want to disable the Windows XP Wireless Zero Configuration Utility
and have your device managed only by the Atheros Client Utility, proceed as
follows:
1. Double-click the Windows XP wireless tray icon and then click Advanced
(or Properties) > Wireless Networks.
Windows XP wireless icon
Atheros wireless icon
2. On the Wireless Networks tab, uncheck the Use Windows to configure
my wireless network settings box and click OK.
If you need to revert back to using Windows XP Wireless Zero Configuration
Utility, just go to the Wireless Networks tab and check the Use Windows to
configure my wireless network settings box and click OK.
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3-2 Network Basic Configuration
To add a new Ad Hoc or Infrastructure profile, click New on the Profile Management
tab. The dialog box displays three tabs: General, Security and Advanced.
3-2-1 General Tab
The configuration items on the General tab are described as below.
Profile Name: Enter a unique name to identify this network setting.
Configuration names are not case sensitive.
Network Names (SSID):
• Ad Hoc mode: It is the name of the Wireless LAN group you want to create
or participate in. This field has a maximum limit of 32 characters. A
network name is mandatory for Ad Hoc mode. The SSID for all stations in
a single Ad Hoc network must be the same. Enter only one SSID.
• Infrastructure mode: It is the name of the Wireless LAN group you want to
participate in. This field has a maximum limit of 32 characters. You can
enter up to three SSID. In an Infrastructure network, the SSID must match
on AP and all the wireless clients to communicate with each other.
Note that under Access Point mode, if the Network Name (SSID) field is
left blank or filled in with the special SSID name “any”, your Wireless LAN
Card will connect to the first compatible and “open” AP with the best
signal strength within the connection range. It allows your Wireless LAN
Card to wander across networks with different SSID.
Figure 0-1
General tab under the Profile Management
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802.11g/super-g WLAN Card User’s Manual
3-2-2 Security Tab
The Atheros Client Utility provides four types of encryption: Pre-Shared Keys,
LEAP, Externally Managed 802.1x Keys and Disabled.
Each wireless device within a WLAN must use the same security settings to
allow communication. Depending on whether you are connecting to an Ad Hoc
or Infrastructure network, you will need to consult one of the workgroup
participants or network administrator for the correct security settings.
3-2-2-1 Pre-Shared Keys
To use this option, enable the Pre-Shared Keys option on the Security tab and
click Define Pre-Shared Keys to set the encryption keys. Then configure the
fields below:
Key Entry Method: Select the method to enter the key. If Hexadecimal is
selected, only digits 0-9 and letters a-f, A-F are allowed. If ASCII Text is
selected, you can enter alphanumeric characters.
Key Length (bit): Defines the length for each encryption key. Key length varies
according to the WEP type. As the Key Length is changed, the number of
available characters in the field is changed automatically. If an already entered
key is too long, the key is automatically truncated to fit. If the key length is
increased again, the field does not automatically restore to its previous value.
Per-User Key: Defines the unique encryption key for network configuration
security. This field must be populated to enable security using a unique key. This
key is not used in Ad Hoc mode.
Shared Keys (1 ~ 4): Defines a set of shared encryption keys for network
configuration security. At least one Shared Key field must be populated to
enable security using a shared key.
All encryption key fields are displayed only when initially entered. On
subsequent entry into the security property page, the field are masked.
Note
Select the default encryption keys to be used (either Per-User Key or Shared
Key). You are only allowed to select one Per-User Key, or one Shared Key 1,
Shared Key 2, Shared Key 3, or Shared Key 4 whose corresponding field has
been completed.
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802.11g/super-g WLAN Card User’s Manual
Note
Currently, Windows XP does not support 152-bit encryption when using
the built-in Wireless Zero Configuration Utility. You must disable the
zero configuration in order to use 152-bit encryption.
Figure 0-2 Define Pre-Shared Keys screen
3-2-2-2 LEAP (Light Extensible Authentication Protocol)
Enables the use of LEAP for dynamic security keys. If you want to connect to a
network using Cisco LEAP, make sure to check the LEAP option and enter the
User Name and Password used to log in to the network in the provided fields.
Note
If you are going to connect to an LEAP network, you should disable
Windows XP Wireless Zero Configuration Utility entirely because it is
basically incompatible with LEAP.
Figure 0-3 Define User Information screen
3-2-2-3 Externally Managed 802.1x Keys
Windows XP provides native support for 802.1x standard. Its Wireless Zero
Configuration Utility allows to set up 802.1x related parameters. However, to
use 802.1x function, your wireless station also needs some essential
components, such as a certificate from the certificate authority. Please consult
with the network administrator for the configuring procedures.
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802.11g/super-g WLAN Card User’s Manual
If you are using a operating system other than Windows XP, the Define Static
Encryption Keys button is available for you to enter at least one key into the
Atheros Client Utility static key configuration. In the AP-802.1x network, the
static keys serve only to initialize the security data structures. Real keys are
dynamically provided by 802.1x key distribution protocol.
Figure 0-4
Security tab under the Profile Management
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802.11g/super-g WLAN Card User’s Manual
3-2-3 Advanced Tab
The configuration items on the Advanced tab are described as below.
Power Save Mode: Infrastructure mode ONLY. This feature reduces power
consumption by the Wireless LAN Card to extend the battery life of your
computer. The options include Off, Normal and Maximum.
• Off – The power management is disabled and the card consumes full
power from the computer.
• Normal – The driver turns off power to the adapter for brief periods over
briefly spaced time intervals.
• Maximum – The driver turns off power to the adapter for longer periods
over more widely spaced time intervals.
The guideline for choosing Normal or Maximum:
•The card wakes up more often and responds sooner to network requests in
Normal mode than in Maximum mode.
•Maximum mode consumes less power than Normal mode.
Network Type: Select Ad Hoc or Access Point.
802.11b Preamble: The preamble is part of the IEEE 802.11b physical layer
specification. All 802.11b devices are mandatory to support the long preamble
format, but may optionally support the short preamble. This Wireless LAN Card
supports the short preamble. The default Short & Long option allows
communication with other 802.11b devices that support short preamble to boost
the throughput. If your device is having trouble to communicate with other
802.11b devices, you may try to select the Long Only option.
Transmit Power Level: Specifies the transmit power to be used. Reducing the
transmit power level conserves battery power but decreases radio range.
Wireless Mode: Specifies the wireless operation mode. The Wireless LAN Card
will scan the radio signals only in the base band you specified. You can check all
for your convenience.
• 2.4 GHz 11 Mbps: Specifies whether to use 11 Mbps mode.
• 2.4 GHz 54 Mbps: Specifies whether to use 54 Mbps mode.
Wireless Mode When Starting Ad Hoc Network: Disabled in Infrastructure
mode. Set up the operational mode of your Ad Hoc Network. Select the
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802.11g/super-g WLAN Card User’s Manual
Channel (1~11 or Auto) and choose the base band:
• 2.4 GHz 11 Mbps: Specifies whether to use 11 Mbps mode.
• 2.4 GHz 54 Mbps: Specifies whether to use 54 Mbps mode.
Figure 0-5
Advanced tab under the Profile Management
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802.11g/super-g WLAN Card User’s Manual
3-3 Connecting to an Existing Network
To check for existing networks near your computer, open the Profile
Management tab and click Available Networks… button, the following screen
will pop-up.
Figure 0-6 Available Networks
All available networks will be shown in the above list box. Highlight the network
name (SSID) you wish to join in and click the Activate button. If no configuration
profile exists for the selected network, the General tab under Profile
Management will pop. Enter a name for the selected network in the Profile
Name field and click OK to return to the Profile Management tab.
In the Profile list box highlight the profile name and in Details section will
appear information about the selected profile. To get connected, double-click on
the profile name or highlight the profile name and click Activate button.
Figure 0-7 Selecting Networks
Another way to switch the profile is to right-clicking the ACU tray icon and select
Configuration Profile … from the context menu. Another menu will appear,
click on the profile you wish to connect to.
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802.11g/super-g WLAN Card User’s Manual
3-4 Modifying a Configuration Profile
To modify a configuration profile, highlight the profile name from the Profile list
box and click the Modify button.
3-5 Removing a Configuration Profile
To remove a configuration profile:
1. Highlight the profile to remove from the Profile list on the Station
Configuration tab.
2. Click the Remove button.
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802.11g/super-g WLAN Card User’s Manual
Chapter 4 Checking Status or Statistics
The Atheros Client Utility includes a number of options to display statistics and
status information. These tools can be accessed via the corresponding tabs of
the Atheros Client Utility.
4-1 Status Monitor Tray Icon
The Atheros Client Utility tray icon allows you to easily and quickly monitors
your wireless connection status. The tray icon shows the signal strength using
colors and the received signal strength indication (RSSI).
The number (2.4 or 5) indicates the current wireless base band.
and the signal strength are defined as follows:
Color
Quality
RSSI (dBm)
Green
Excellent
20 dBm +
Yellow
Good
10-20 dBm
Orange
Poor
<10 dBm
Red
No Link
No connection
The colors
You can hold the mouse cursor over the ACU tray icon to display transmit and
receive speed and the current configuration profile name.
When the RF signal of the Wireless LAN Card is disabled, the icon would
appear as follows:
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802.11g/super-g WLAN Card User’s Manual
4-2 Current Status Tab
The Current Status tab of the Atheros Client Utility contains general
information about the program and its operations.
The following table describes the items found in the Current Status tab.
Screen Item
Description
Profile Name
The name of the current configuration.
Network Type
Displays if the adapter is connected to an Access Point or
Ad Hoc network.
Wireless Mode
Displays the connection frequency and maximum speed:
2.4 GHz 54 Mbps
2.4 GHz 11 Mbps
2.4 GHz 108 Mbps
Current Channel
Display the currently selected channel.
Link Status
Shows whether the station is connected to a wireless
network.
Encryption Type
IP Address
Displays the current security mode:
WEP – use only WEP encryption.
AES (Advanced Encryption Security) – only associate
with Access Points that supports AES encryption.
CKIP – Cisco Key Integrity Protocol
Off – No encryption is used.
Displays the IP address of the station.
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802.11g/super-g WLAN Card User’s Manual
Figure 0-1 Current Status Tab
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802.11g/super-g WLAN Card User’s Manual
4-2-1 Advanced Status
You can view advanced information about the program and its operation by
clicking the Advanced button on the Current Status tab.
The following table describes the items found on the Advanced Status screen.
Screen Item
Description
Country
The regulatory domain of the network.
Transmit Power Level
Displays the transmit power level.
Network Name (SSID)
The wireless network name.
Power Save Mode
The power management options. Power management is
disabled in Ad Hoc mode.
Frequency
The frequency the station is using.
Transmit Rate
Displays the transmit rate for the current connection.
Receive Rate
Displays the receive rate for the current connection.
Figure 0-2
Advanced Status
4-3 Diagnostics Tab
The Diagnostics tab lists the following receive and transmit diagnostics for
frames received by or transmitted by the wireless network adapter.
• Multicast frames transmitted and received
• Broadcast frames transmitted and received
• Unicast frames transmitted and received
• Total bytes transmitted and received
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802.11g/super-g WLAN Card User’s Manual
Figure 0-3
Diagnostics Tab
4-3-1 Advanced Statistics
Advanced Statistics also show receive and transmit statistical information for
the following receive and transmit diagnostics for frames received by or
transmitted to the wireless network adapter.
• Frames transmitted OK
• Frame retried
• Frames dropped
• Beacons received
• Frames received with errors
• Encryption errors
• Duplicate frames
• CTS frames
• Authentication rejects
• Association rejects
Figure 0-4
Advanced Statistics
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802.11g/super-g WLAN Card User’s Manual
4-3-2 Driver Information
The Driver Information contains general information about the network
interface card (NIC) and the network driver interface specification (NDIS).
The following table describes the items found on the Driver Information tab.
Screen Item
Description
Card Name
The name of the NIC.
MAC Address
The station's MAC address. It is configured at the factory.
Driver
The location of the NDIS driver.
Driver Version
The NDIS driver version.
Driver Date
Date of the NDIS driver release.
Figure 0-5
Driver Information
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802.11g/super-g WLAN Card User’s Manual
Chapter 5 ACU Toolbar
There are three menus Action, Options, Help in the ACU toolbar, check the
appropriate section for more information.
5-1 Action Menu
You can enable/disable radio frequency or ACU icon in the system tray. Click
Exit to shutdown the utility.
The Country Select… allows users to switch to different country codes. The
Wireless LAN Card has EEPROM locations allocated to store country code
information. The selections represent three regulatory domains: FCC (USA and
Canada), ETSI (Europe) and MKK (Japan).
When the country code is changed, the NDIS driver scans only the legal
frequency channels allowed in those countries.
Note
The Country Select Selector tool is not included for World-Wide cards,
because the card switches countries automatically as needed. It is only
available when the card is programmed to a single country only.
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802.11g/super-g WLAN Card User’s Manual
5-2 Options Menu
There is only one option under this menu. You can view or change the current
display settings.
To change the display settings, click on Display Settings…. The display
settings dialog box contains tools to set these parameters:
Signal Strength Display Units: Sets the units used when displaying signal
strength: percentage or decibels.
Refresh Interval (seconds): Sets the display refresh interval in seconds.
Data Display: Sets the display to cumulative or relative.
•Relative: Displays the change (delta) in statistical data since the last
update.
•Cumulative: Displays statistical data collected from the beginning of driver
load.
Figure 0-1
Display Settings
5-3 Help Menu
This menu contains Atheros Client Utility Help in web format and About
Atheros Client Utility.
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802.11g/super-g WLAN Card User’s Manual
Chapter 6 Uninstalling the Wireless LAN Card
Should you need to uninstall the Wireless LAN Card and its application software
for any reason, please proceed as follows.
The uninstallation procedures are basically the same under Windows 98, Me,
2000 and XP. The graphics here assume a Windows XP environment.
1. Close all programs that are currently running.
2. Right-click on the Atheros Client Utility (ACU) icon in the system tray.
Click Exit to shut down the utility.
3. Select Start > Settings > Control Panel. Double-click the Add or
Remove Programs icon.
4. Highlight AR5001 Wireless Network Adapter and Client Utility then click
Change/Remove.
5. Select Delete the previous installation and click Next.
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802.11g/super-g WLAN Card User’s Manual
6. When confirm message appears, click OK.
7. Click Finish.
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802.11g/super-g WLAN Card User’s Manual
Chapter 7 Uninstalling the Wireless LAN Card
My station cannot associate in Ad Hoc mode.
Make sure all the stations in the Ad Hoc network are set with the same SSID.
You can set up one station to start the Ad Hoc network and wait briefly before
setting other stations. This prevents several stations from trying to establish a
network at the same time, which can result in multiple singular networks being
established, rather than a single network with multiple stations associated to it.
If you are in the Europe using ETSI regulatory domain, Ad Hoc mode is not
supported.
My station cannot access network resources in Infrastructure mode.
Even your link status indicates a successful connection with the Access Point,
this connection applies to the “physical” network layer only. It is just like pulling a
cable between two wired computers. To access the network resource, you will
need a login name and login password as implemented by most of network
operating systems. You should consult with your network administrator for
required settings.
Radio Interference
You may be able to eliminate any interference by trying the following:
• Increase the distance between the wireless computers and the device
causing the radio interference.
• Plug the computer equipped with the Wireless LAN Card into an outlet on
a different branch circuit from that used by the affecting device.
• Consult the dealer or an experienced radio technician for help.
• For 802.11b connection, keep the computer with the Wireless LAN Card
away from the microwave oven and large metal objects.
Cannot Connect to Another Wireless LAN Card
If you cannot make a connection to another Wireless LAN Card from your
computer, it could be due to one of the following reasons:
• Incorrect SSID. Make sure the SSID is the same for all computers that
have a Wireless LAN Card.
• Your computer is not recognizing changes. Restart your computer.
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802.11g/super-g WLAN Card User’s Manual
• If in Ad Hoc mode, make sure the Log on to Windows NT domain check
box is not selected in the Client for Microsoft Networks Properties
dialog box in the Network Configuration tab.
• Incorrect IP address or subnet mask. Check these settings in the TCP/IP
Properties dialog box in the Network Configuration tab.
Poor Link Quality
If the link quality display stays in the poor range, it could be due to one of the
following reasons:
• Radio interference.
• Possible sources of interference can be microwave ovens, cordless
phones or pager systems. Identify and eliminate the source of interference.
Move your device closer to your target Access Point or wireless station.
• Distance between Wireless LAN Card and Access Point is too far.
Decrease the distance between the Access Point or another wireless
adapter.
Cannot Connect to an Access Point
If you cannot make a connection to an Access Point, it could be due to one of
the following reasons:
• Make sure the Wireless LAN Card and the Access Point have no physical
connection problems.
• Make sure the SSID for the Wireless LAN Card is the same as the Access
Point.
• Make sure the security setting is the same as that of the Access Point.
Also, make sure the default key is the same for both the Wireless LAN
Card and the Access Point.
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802.11g/super-g WLAN Card User’s Manual
Appendix A Setting Up TCP/IP
This section contains instructions for configuring the TCP/IP protocol of the
Wireless LAN Card. The IP address policy depends on your network. You
should configure your TCP/IP protocol as instructed by your network
administrator.
For Windows 2000/XP
1. Double-click Network Dial-up Connections (Windows 2000) or Network
Connections (Windows XP) on Control Panel.
2. Right-click the Local Area Connection icon corresponding to your
wireless adapter and click Properties.
3. On the General tab, highlight Internet Protocol (TCP/IP) and then click
Properties.
Option A: Use fixed IP address.
Enable the Use the following IP Address option. Enter the IP address,
Subnet Mask and Default gateway. Then click OK.
Option B: Use dynamic IP address
Select Obtain an IP address automatically.
4. Close the Local Area Connection Properties window. For Windows
2000, if prompted, click Yes to restart your computer.
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