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communicate with every other station regardless if they use WEP or not. Please keep in 
mind that the WEP keys must be in HEX format. Finally, you have the option to select 
whether 

Open System 

or 

Shared Key 

authentication will be used. In order to take effect 

the changes you wish to make, press the “Submit” button at the bottom of the screen. 

Figure 4-5. 

Encryption 

 

 

Advanced 

By Choosing the 

Advanced 

option in any of the two modes, you can change advanced 

configuration settings, such as the Preamble Type, Fragmentation Threshold, and 
RTS/CTS Threshold (Figure 4-6). Figure 4-5 shows the recommended configuration for 
the advanced settings. Before selecting Short Preamble, make sure that the other stations 
and APs are also supporting this feature. 

Note: 

The USB (A) card has an auto-detection feature therefore it automaticatilly 

selects the Preable Type depending on the Access Point Preamble type. In 
order to enable the Fragmentation and the RTS/CTS Threshold parameters 
move the slide bar with your mouse and then use the right and left arrow keys of 
your keyboard in order to select an exact number. 

Figure 4-6. 

Advanced Settings 

Содержание AT76C502A

Страница 1: ...WLAN PC CARD AR User Guide ...

Страница 2: ... to Know About Windows 98 Me 2000 3 1 3 2 What You Will Need 3 1 3 3 Installing the Application and Drivers Under Windows 98 Me 2000 3 1 3 4 Uninstall Procedure Under Windows 98 Me 3 6 3 5 Uninstall Procedure Under Windows 2000 3 7 Section 4 Configuration Monitor Utility 4 1 4 1 How to Install the Configuration Monitor Utility 4 1 4 2 Using the Configuration Monitor Utility 4 1 4 3 How to Uninstal...

Страница 3: ... Package Contents Please make sure that your received the following with your AT76C502A Evaluation Kit One 1 PCMCIA Fast VNET R 5V card User Guide Firmware Drivers and Software Tools CD 1 2 System Requirements Operating System MS Windows 98 2000 Windows Me with Service Pack 4 or later Desktop PC or notebook PC with CD ROM drive 1 3 AT76C502A Features AT76C502A based Fast VNET adapters offer compli...

Страница 4: ...ate Detection and Recovery Beacon Generation ad hoc mode Probe Response ad hoc mode Fragmentation and Reassembly Wired Equivalent Privacy Algorithm WEP 40 bits 128 bits Auto Rate Fallback TSF synchronization Short Preamble 1 5 Driver Features The drivers for the AT76C502 EK support Roaming Preferred AP Dynamic configuration Site Survey Preamble Type detection Firmware Upgrade Authentication Algori...

Страница 5: ... with Confirm the current settings of ESSID Network Mode and Utility directory and click Next Finish the installation Plug your PCMCIA card The Add New Hardware Wizard automatically loads the Drivers Refer to sections 3 for more details on the installation and configuration under Windows 98 2000 and Windows Me Section 4 gives detailed instructions on how to use the Configuration Utility while sect...

Страница 6: ...u Will Need During the installation you may be prompted to load operating system files from the Windows installation disk Please have this disk handy You will need the Firmware and Software Tools CD provided with your Evaluation Kit Note In order to be able to install the Fast VNET card on to your PC running under Windows 2000 you will need to log on as Administrator 3 3 Installing the Application...

Страница 7: ...ld ones without prompting you Application PCMCIA USB Drivers By selecting this installation option you will install the Applications Configuration Monitor Utility and Firmware Upagrade Utility and the latest PCMCIA USB A drivers If the PCMCIA USB A drivers have been previously installed and they have not been uninstalled prior to the new installation the new drivers will ovewrite the old ones with...

Страница 8: ...to be used There are 14 channels available Figure 3 3 ESSID and Channel Dialog As soon as you have set your selections press the Next button and a window appears with a review of your installation settings Please make sure that these values are the desired ones In case you have made a mistake you can always select the Back button to make a correction Press the Next button to continue with the inst...

Страница 9: ...5 ESSID Dialog As soon as you have set your selections press the Next button and a window appears with a review of your installation settings Please make sure that these values are the desired ones In case you have made a mistake you can always select the Back button to make a correction Press the Next button to continue with the installation and finally press the Finish button for the installatio...

Страница 10: ...t the CD which contains the setup program and try to uninstall the Utility again The above procedure uninstalls the Configuration Monitor Utility but not the card itself In order to uninstall the Fast VNET card from Windows 98 Me you must double click on the Network option in the Control Panel Start Settings Control Panel Select the ATMEL PCMCIA FastVNET A card from the list and press the Remove b...

Страница 11: ... Monitor Utility The Configuration Monitor Utility appears as an icon on the system tray of Windows every time the card is running see Figure 4 1 You can open it by double clicking on this icon While the station is in infrastructure mode and not associated to an access point the color of the icon is red As soon as the station associates itself to an Access Point see page 4 4 Site Survey the icon c...

Страница 12: ...astructure mode Statistics This option enables you to view the available statistic information Data packets Management Packets and Rejected packets In order to renew or update this list of statistics press the Clear button In order to exit press the Exit button at the bottom of the screen Figure 4 3 Stastic information available ...

Страница 13: ...he BSSID and SSID of the access point s the signal strength the channel where the access point s operates and whether or not WEP encryption is used In order to update this list press the Rescan button If you want to associate with any of the access point s listed double click on your choice on the BSSID field and the system will take you back to the Monitor screen showing you the parameters of the...

Страница 14: ... you decide to use encryption you can choose any of the available WEP keys 1 to 4 You also have the option to select the WEP mode Mandatory Optional If you select Mandatory then not only WEP will be used but also any other station needs to use WEP encryption in order to establish a communication with your station This requirement is in line with the IEEE 802 11b standard If on the other hand you c...

Страница 15: ...tion settings such as the Preamble Type Fragmentation Threshold and RTS CTS Threshold Figure 4 6 Figure 4 5 shows the recommended configuration for the advanced settings Before selecting Short Preamble make sure that the other stations and APs are also supporting this feature Note The USB A card has an auto detection feature therefore it automaticatilly selects the Preable Type depending on the Ac...

Страница 16: ...n By choosing this option you can view basic information about the Utility like the Driver Firmware and Application Version Use the Exit button in order to exit the application Figure 4 7 Version information ...

Страница 17: ...rting the unistallation procedure Finally a window will appear prompting you to reboot and you must select YES Section 5 Firmware Upgrade Utility For the Fast VNET PCMCIA cards ATMEL offers a firmware utility which is a Windows application Firmware Upgrade utility that allows you to upgrade the firmware of your card while your card is running 5 1 Firmware Upgrade Utility Note Please DO NOT use thi...

Страница 18: ...the program setup exe of you installation CD see Section 4 How to install the Configuration Monitor Utility Locate the program from the Start Menu Programs ATMEL 802 11Wireless LAN Firmware Upgrade Utility When you open the program you will see the main screen of Figure 5 1 Figure 5 1 The ATMEL PCMCIA Firmware Upgrade Utility Press the Upgrade button in order for a file selection window to appear ...

Страница 19: ...When the firmware has been upgraded you will see a notification from the Firmware Upgrade Utility Figure 5 3 Press OK to complete the upgrade Figure 5 3 Completion of the firmware upgrade procedure ...

Страница 20: ...uipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help FCC Caution To assure continued compliance example use only shielded interface cables when connecting to computer or peripheral devices any changes or modifications not expressly approved by the party respons...

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