C100 User's Manual
Contents
1. 15 209 Europe ETS 300 328 ETS 300 826 CE Marked 24 5 GLOSSARY The following glossary is for your reference only and is not need for the installation of your Wireless LAN PC Card O Wireless Access Point AP Any entity that has station functionality and provides access to the distribution services via the wireless medium WM for associated stations Ad Hoc A network is composed solely of stations within mutual communication range of each other via the wireless medium WM An ad hoc network is typically created in a spontaneous manner The principal distinguishing characteristic of an ad hoc network is its limited temporal and spatial extent These limitations allow the act of creating and dissolving the ad hoc network to be sufficiently straightforward and convenient so as to be achievable by non technical users of the network facilities i e no specialized technical skills are required and little or no investment of time or additional resources is required beyond the stations that are to participate in the ad hoc network The term ad hoc is often used as slang to refer to an independent basic service set IBSS BSS Basic Service Set An AP associated with several wireless stations ESS Extended Service Set More than one BSS can be configured as an Extended Service Set An ESS is basically a roaming domain Ethernet A popular local area data communications network originally developed by Xer2. Address 2 3 4 s 6 7 8 9 o tatae ekio iei PIP CAP a t g h Shift z x t v b nim 7 a ee Figure 2 1 Atypical Screen with TCP IP Options 5 Use the first option if you have plans to connect to an Access Point become associated that is connected to a network where a DHCP Server is available then an unique IP Address will be automatically assigned to your PC card Select the second option and assign an unique IP Address to your PC card in any other case 6 Go to Section 3 for Configuration 2 3 4 Under Linux Please follow the steps below to install the utility and driver 1 Unpack the ATMEL_linux_drivers tgz package anywhere you like tar xzvf ATMEL _linux_drivers tgz 2 In the setup directory run make config make to install the driver patch and the necessary files make sure that you logged on from root directory 3 Enable CONFIG_NET_RADIO in the kernel to run the applications in ust src linux make menuconfig Select Network Device Support gt Wireless LAN non hamradio gt Wireless LAN non hamradio 12 4 PCMCIA NOTE If you are installing the PCMCIA driver after the installation run etc init d pcmcia restart Note FOR MORE DETAILS SEE THE README INSIDE THE vnetsetup PACKAGE 3 CONFIGURATION The Configuration amp Monitor Utility is a powerful application that helps you to configure the WLAN PC Card and monitor the statistics of the communication Unlike the stand
3. called an infrastructure configuration A group of WLAN PC Cards and an Access Point AP is called a Basic Service Set BSS Each WLAN PC Card in this BSS can be linked to any computer in the wired LAN infrastructure via the AP Infrastructure configuration not only extends the accessibility of a WLAN PC Card to the wired LAN but also doubles the effective wireless transmission range between two WLAN PC Cards BSS ID is in essential the ID of each independent WLAN PC Card All WLAN PC Cards configured without roaming options in this independent BSS must be configured with BSS ID of that AP You may need to check BSS ID of your AP by using its vendor supplied program Infrastructure configuration is applicable to enterprise scale for wireless access to central database or wireless application for mobile workers Two APs can be used as a point to point link between two LANs LAN interconnection is applicable to a wireless backbone between buildings Notebook wth Desktop PC with Notebook with Desktop PC with Wireless PC Card Wireless PC Card Wireless PC Card Wireless PC Card H A Notebook with Wireless PC Card i Notebook with Wireless PC Card j TN a BSS1 y ae BSS2 Figure 1 2 Infrastructure Configuration The infrastructure configuration supports roaming capability for mobile workers More than one BSS can be jointly configured as an Extended Service Set ESS On account of a continuous connection to
4. from the list Next press the button I O Port and choose an 0x20 free I O space Add these values into the dialog box If at any point after the installation you want to change these values go to the Control Panel gt Network select the Adapters tab press the Properties button and fill 5 N in the new values 6 Next Windows will start copying the files If there is a version conflict you should normally keep the latest version between one or more of the files that are being copied and the files in your system 7 Restart your computer when completing the installation process Note If the card is not working properly make sure that your system has free resources that show their availability after a restart procedure 2 3 3 Under MS Windows CE Please follow the steps below to install the utility and driver 1 Insert the supplied CD ROM in the CD ROM drive 2 Click Start button choose Run and type D wince setup exe in the text box where D is the drive letter of your CD ROM drive 3 Follow the InstallShield Wizard to install the driver and utility 4 Insert the WLAN PC card When the PC card is installed after completing the installation process A window that has two WIN TCP IP options will automatically appear as shown in Figure 2 1 E Settings ATMEL Wireless LAN Card Use sorver assiqned IP address Use specific IP address Subnet mask Uh tp al Derauit gateway Ca eod IF
5. fully distributed data connectivity via micro cells and roaming The WLAN PC Card is designed to meet the mobility performance security interoperability management and reliability requirements of IEEE 802 11b high data rate standard It is easy to install the WLAN PC Card on various devices with PCMCIA TYPE II card slot It is able to communicate with other IEEE 802 11b compatible products to create a wireless LAN in your office or home 1 1 Features Compliant with 11 Mbps 802 11b high speed specification Data rate 11 5 5 2 1 Mbps automatic fallback under noisy environment Advanced Power Management for battery saving Build PCB patch diversity antennas Supports MS Windows 95 98 ME NT 2000 XP CE and Linux Interoperable with IEEE 802 11b compliant equipment Supports full mobility and seamless roaming from cell to cell Plug and play installation and easy client management with utility software Supports point to point and point to multipoint access Direct Sequence Spread Spectrum DSSS technology provides robust interference resistant and secure wireless connection Wireless connection without the hassles and cost of cabling Greater flexibility to locate or move networked PC s 1 2 Applications Home networking for device sharing Remote access to corporate network information email file transfer and terminal emulation Frequently changing environments Retailers manufacturers and banks that frequently rearrange the workpla
6. the network users within this ESS can roam freely All WLAN PC Cards and APs within one ESS must be configured with the same ESS ID Before setting up an ESS for roaming it would be helpful to achieve good performance by choosing a feasible radio channel and right places for APs ADSL Cable modem 5 7 pNotebook wiin 1 Wireless PC Card i Access Point i Access Point i Ww f 1 4 Desktop PC with n E Vireless PC Card r aN a x by Bs w re lt BSS1 gt E66 lt BSS2 gt Da P i ig els Ss le ee Figure 1 3 Seamless Roaming Notebook with Wireless PC Card I 1 2 INSTALLATION Use the procedures described in this chapter to install your WLAN PC Card under MS Windows 95 98 Me NT 2000 XP CE and Linux 2 1 Product Kit Before starting installation please make sure the WLAN PC Card package you purchased includes the following items 3 WLAN PC Card p 2 CD ROM including Driver Utility and User s Manual 3 Quick Start Guide If anything is missing please contact your vendor 2 2 PC s Minimum Requirements To install the WLAN PC Card successfully your PC notebook desktop or PDA should meet the following minimum requirements 53 A PCMCIA slot compliant with Release 2 1 of the PCMCIA specification 2 Windows 95 98 Me NT 2000 XP CE or Linux operating system 3 Minimum 10 Mbytes free disk space for installing the driv
7. 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 communication with your station This requirement is in line with the IEEE 802 11b standard If on the other hand you choose Optional then your station can communicate with other stations regardless if they use WEP or not Keep in mind that the WEP keys must be in HEX format Finally you have the option to select whether Open System Shared Key or Auto authentication will be used Press the Submit button at the bottom of the screen to take effect the changes you wish to make 21 1137p ak Satus Encryption Advanced version Encryption 64 Bit x WEP ke 31315151314 ey2 0000000000 Qou00DO000 Default Key Car Figure 3 12 Encryption Advanced By Choosing the Advanced option in any of the two operational modes you can change the advanced configuration settings such as the Preamble Type Fragmentation Threshold and RTS CTS Threshold Figure 3 13 Figure 3 13 shows the recommended configuration for the advanced settings The PC card has an auto detection feature when selecting Auto for the preamble Type is selected A Start Status Encryption Advenced varsion Preambis Typa tang Shat Auto Fragmentation Threshold Disabled 2346 RTS CTS Threshold Disable
8. Exit button at the bottom of the screen to exit Wireless LAN Monitor Utility Wireless LON PC Cad Figure 3 5 Statistic Information Available 16 Site Survey By choosing the Site Survey option in any of the two modes you can scan all the channels to find all the access points within the range of your card In Figure 3 6 the card can see four access points The list includes information about the BSSID and SSID of each access point and its signal strength the channel where the access point operates and whether WEP encryption is used In order to update this list press the Re scan button If you want to associate with any of the access point listed double click on your choice on the BSSID field and the system will take you back to the Monitor screen that shows the parameters of newly established connection Wireless LAN Monitor Utility xj Wireless LAN PC Card z Current Profile Default nd Monitor Statistics Site Survey Encryption Advanced Profiles Into essip__ _ Ssi gt __ Signal Ch WEF Type 00 04 DB 00 00 01 Fix AP 100 6 Sache 00 90 83 00 01 64 ape AP 68 8 Infrastructure 00 80 C6 E3 49 E0 59 10 Yes Infrastructure 00 04 DB 00 48 B8 w 98 11 Yes Infrastructure 00 80 C6 E3 6C D0 datang 56 11 No Infrastructure 00 04 DB 00 00 00 al1 tst 100 1 No Infrastructure 00 04 DB 00 48 B7 104 92 2 Yes Infrastructure 00 04 DB 00 48 D8 mi 71 2 Yes Infrastructure 00 80 C6 E3 63 B1 te
9. Wireless LAN PC Card User s Manual Ver 1 4 Copyright 2001 by manufacturer All rights reserved No part of this documentation may be reproduced in any form or by any means or used to make any derivative work such as translation transformation or adaptation without written permission from the copyright owner All the other trademarks and registered trademarks are the property of their respective owners Statement of Conditions The content described in this manual may be improved or changed at any time and it is subject to be changed without notice Manufacturer assumes no responsibility for errors contained herein or for direct indirect special incidental or consequential damages with the furnishing performance or use of this manual or equipment supplied with it even if manufacturer of its suppliers have been advised of the possibility of such damages Electronic Emission Notices 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 will accept any interference received including interference that may cause undesired operation FCC Radio Frequency Interference 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 whe
10. ain Sweden UK and US LIMITED WARRANTY This product is warranted by manufacturer to be free from defects in material and workmanship for one 1 year from the date of purchase unless otherwise stated During this period if this product is found to be defective in material or workmanship manufacturer or one of its authorized service facilities will at its option either repair or replace this product without charge subject to the following conditions limitations and exclusions 1 This warranty extends to the original consumer purchaser only and is not assignable or transferable 2 This warranty shall not apply to any product which has been subjected to misuse abuse abnormal use negligence alteration or accident or has had its serial number altered or removed 3 This warranty does not apply to any defects or damage directly or indirectly caused by or resulting from the use of unauthorized replacement parts and or service performed by unauthorized personnel 4 This warranty does not apply to the software driver that accompanies this product This warranty is made expressly in lieu of all other warranties expressed or implied including but not limited to any implied warranty of merchantability of fitness for a particular purpose and all other obligations on the part of Manufacturer provided however that if the disclaimer of implied warranties is ineffective under applicable law the duration of any implied warranties arisin
11. ard method of configuring the card via the operating system utilities e g Control Panel this application permits the dynamic modification of configuration parameters while the card is operating This application also offers more configuration options 3 1 Under MS Windows 95 98 Me NT 2000 XP The Configuration amp Monitor Utility appears as an icon in the task bar of Windows while the card is running see Figure 3 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 icon is red As soon as he station is associated itself to an Access Point the color of icon automatically turns to blue In Ad Hoc mode the color is always blue except that it turns to red when the card is going through the reset and initialization procedure Figure 3 1 Configuration amp Monitor Utility Icon If you want to use the utility to configure wireless network settings in Windows XP please click the Properties command see Figure 3 2 and uncheck the use Windows to configure my wireless network settings see Figure 3 3 then click OK button Wireless Network Connection Status General 5 upport Connection Status Connected Duration 00 04 45 Speed 11 0 Mbps Signal Strength T saul sn Received Packets 105 60 Activity Figure 3 2 Wireless Network Connection Status 4 Wireless Network Connection Properties k General Wireless N
12. ce and change location SOHO Small Office and Home Office users SOHO users need easy and quick installation of a small computer network functions Inter building connection The wireless building to building network installs quickly requires no monthly lease fees and provides the flexibility to reconfigure easily Typical applications include hard to wire buildings campuses hospitals medical offices warehouse security huts exhibition centers etc Temporary LANs for special projects or occasions Auditors require workgroups at customer sites Trade shows exhibitions retailers airline and shipping companies need additional workstations for a peak period of data traffic 1 3 Wireless LAN System 1 3 1 802 11 Ad Hoc Configuration An 802 11 Ad Hoc wireless LAN is a group of computers each equipped with one WLAN PC Card connected as an independent wireless LAN Computers in a specific 802 11 Ad Hoc wireless LAN must be configured at the same radio channel 802 11 Ad Hoc wireless LAN is applicable to a departmental scale for a branch or SOHO operation a m u a kad z 2 f c 6 Z 2 F D PE v O O 2 a pre 3 n ie ae a t 1 t Desktop PC with Notebook with N Wireless PC Card Wireless PC Card P 3 a t J a SO PA ome seen en Figure 1 1 802 11 Ad Hoc Configuration 1 3 2 Infrastructure Configuration An integrated wireless and wired LAN is
13. d 2347 OoOO Figure 3 13 Advanced Settings 22 Version By choosing this option you can view the basic information about the Utility version of Driver Firmware and Application see Figure 3 14 Use the ok button circled n top right corner to exit the application Status Encryption Advanced vercion Driver Firmware Appiestion aj Figure 3 14 Version Information 23 4 SPECIFICATIONS tandard compliance Security Data rate Modulation Number of channels Host Interface Transmit power Receive sensitivity Software Driver Support Mechanical Dimensions 2 Environmental Temperature Relative Humidi Certificate Compliant IEEE 802 11b Standard WEP 64 bit 128 bit encryption MD5 Frequency range 2 4 2 4835GHz 11Mbps 5 5Mbps 2Mbps 1Mbps DSSS Direct Sequence Spread Spectrum DBPSK DQPSK ps ip bit Barker Coding 5 5 11Mbps Complementary Code Keying Europe 13 3 non overlapping US 11 3 non overlapping France 4 1 non overlapping Japan 14 3 non overlapping PC Card 95 PCMCIA type II 16 bit 13dBm Typ 83dBm Typ for 11Mbps 86dBm Typ for 5 5Mbps 89dBm Typ for 2Mbps 91dBm Typ for 1Mbps BER 10E 5 MS Windows 95 98 Me NT 2000 XP CE User setup and diagnostic tool 4 8 x 2 1 x 0 2 1 2 oz 0 55 C operation 20 65 C storage 95 non condensing U S FCC Part 15 sections 15 247 15 205
14. er and the utility program 2 3 Installing the Utility and Driver Depending on the operating system you use please select one of the sections 2 3 1 2 3 4 and follow the steps to install the Utility and Driver Then go to Section 3 to continue the procedure Note Please do not plug your WLAN PC Card until the setup procedure has been completed 2 3 1 Under MS Windows 95 98 Me 2000 XP Please follow the steps below to install the utility and driver 1 Insert the supplied CD ROM in the CD ROM drive 2 The InstallShield Wizard should start automatically If Autorun is disabled in your Windows settings you will need to go to the Windows Start button choose Run and type D setup exe in the text box where D is the drive letter of your CD ROM drive 3 Follow the InstallShield Wizard to install the driver and utility 4 Reboot your PC after completing the installation process Recommended 5 Plug your WLAN PC Card The Add New Hardware Wizard automatically loads the driver then a new application the Configuration amp Monitor Utility icon will be displayed in the task bar 6 Go to Section 3 for Configuration Note In the MS Windows 2000 XP installation procedure an extra window prompts you to select the options whether you would like to install the Digital Signature Not Found or not You can safely select YES 2 3 2 Under MS Windows NT4 0 What You Need to Know About MS Windows NT4 0 Al
15. ess Installing the Driver Since MS Windows NT4 0 does not support Plug amp Play you must enable the detection of PC cards by the operating system in the following steps 1 Click Start gt Settings gt Control Panel 2 Double click the Devices icon 3 Select PCMCIA from the list and click the Startup button 4 Set the Startup type to Boot and click OR 5 Click Close on the Devices window you must enable the Network support By following the next steps to let the operating system know your new card 1 Click Start gt Settings gt Control Panel 2 Double click the Network icon 3 In the Network Settings window you will be prompted to install Windows NT Networking if networking has not been installed yet Click Yes and follow the instruction on the screen If networking has already been installed 10 you will see a dialog with several tabs Click the Add button in the Adapters tab Windows NT Networking Setup will determine the type of network adapter card that you are going to use 4 Locate and select the driver with the supplied CD ROM to respond the prompt N of selecting a driver During the installation a dialog box prompts for the I O Base and IRQ resource information Go to Start gt Programs gt Administrative Tools gt Windows NT Diagnostics gt select the Resources tab gt press the IRQ button Select one free IRQ
16. etworks Authentication Advanced C Use Windows to configure my wireless network settings Available networks al1 tst datang i 103 Prefered networks Learn about setting up wireless network confiquration Figure 3 3 Wireless Network Connection Properties The following options tabs are available for starting the application Monitor Statistics Site Survey Encryption Advanced Profiles Info Monitor A typical screen of the application in infrastructure mode is shown in Figure 3 4 The configuration parameters are shown on the screen from top to bottom Operation Mode Channel SSID Tx Rate and Radio In the middle of the screen there is information about the status of the communication the BSSID of Access Point to which the card is associated Signal Strength and Link Quality Press the Change button and make your changes then press Submit to save the changed configuration parameters 15 Figure 3 4 Monitor Utility in Infrastructure Mode Note In Ad Hoc mode the Channel and SSID must be the same among stations so that the computers can communicate within the local LAN properly Moreover all connected computers should have the same netid and subnetid Statistics This option enables you to view the available statistics information Data packets Management Packets and Rejected packets Press the Reset button to renew or update this list of statistics Press the
17. g by operation of law shall be limited to one 1 year from the date of purchase or such longer period as may be required by applicable law Manufacturer hereby disclaims any and all liabilities for consequential and incidental damages arising out of or in connection with any breach of this warranty or any other claim with respect to this product including but not limited to claims of negligence strict liability in tort or breach of contract SPECIFICATIONS GLOSSARY Table of Contents INTRODUCTION 1l Features fa ea a bated ERTA 1 2 Applications einsa ana a aS 1 3 Wireless LAN System INSTALLATION Product Kit PC s Minimum Requirements Installing the Utility and Driver 2 2 Ds QO NR 2 3 2 Under MS Windows NT4 0 00 eee eeeeeeee 2 3 3 Under MS Windows CE uu eee eee eeeeeeeeeeee ee 2 3 4 Under Linux ou cece nici aiiin CONFIGURATION onsen 3 1 Under MS Windows 95 98 Me NT 2000 XP 3 2 Under MS Windows CE 1 3 1 802 11 Ad Hoc Configuration 1 3 2 Infrastructure Configuration 0 0 0 eee 2 3 1 Under MS Windows 95 98 Me 2000 XP E E 10 1 INTRODUCTION Wireless LAN is local area networking without wires which uses radio frequencies to transmit and receive data between PC s or other network devices Wireless LAN is able to configure independent networks and infrastructure networks The former is suitable for small or temporary peer to peer configurations and the later is offering
18. n the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user need to correct the interference at his area If the equipment causes interference to radio or television reception try to correct the interference by using one or more of the following measures Plug the equipment into an outlet that is on a different circuit from the television or radio e Change the direction of the television or radio antenna until the interference disappears Move the equipment to one side or the other of the television or radio e Move the equipment farther away from the television or radio To assure continued compliance any changes or modifications not expressly approved by manufacturer could void the user s authority to operate the equipment FCC Radiation Exposure Statement This device and its antennas must operate with a separation distance of at least 5 cm from all persons and must not be co located or operating in conjunction with any other antenna or transmitter End users must be provided with specific operating instructions for satisfying RF exposure compliance FE CE04700 This product has been certified in France Germany Italy Sp
19. nfo By choosing this option you can check the basic information about the Utility versions of Driver Firmware and Application Use the Exit button to exit the application 19 Wireless LAN Monitor Utility Wireless LAN PC Card Figure 3 10 Information 3 2 Under MS Windows CE The following options tabs are available for starting the application Status Encryption Advanced Version Status A typical screen of the application in Ad hoc Mode is shown in Figure 3 11 The configuration parameters are shown on the screen from top to bottom Operation Mode Channel SSID TxRate Power Management Mode and MAC Address of the PC card Press the Change button make your changes and then press Submit to save the changed configuration parameters 20 Operating Mode Ad Hoc Channel SSID Tx Rate Power Mgmt MAC Address 00 04 95 00 00 6e l Change Submit Cancel Signal Stranagth E i i Lirk Quality Ready 8551D 2 007 2 ac 28 76 ej Figure 3 11 A Typical Screen of the Monitor Utility in Ad hoc Mode Encryption By choosing this option in any of the two operational modes you can set four different WEP keys and specify which one of them to be used First either enable or disable encryption from the appropriate Encryption field see Figure 3 12 below If encryption is used you can choose any of the available WEP keys 1 to 4 You also have the option
20. ngs Before selecting Short Preamble make sure that the other stations and APs are also supporting this feature Wireless LAN Monitor Utility Wireless LAN PC Card Figure 3 8 Advanced Settings 18 Note The WLAN PC Card has an auto detection feature therefore it automatically selects the Preamble Type depending on the Access Point Preamble type Move the slide bars to enable the parameters of Fragmentation and RTS CTS Threshold with your mouse and then use right and left arrow keys of your keyboard to select an exact number Profiles By choosing this option you can save your settings SSID Mode Channel Tx Rate etc here Figure 3 9 You can use New command to create a new profile If you want to modify the old profile you must use Save command to update the old profile You can also use Delete and Rename commands to manage profiles Wireless LAN Monitor Utility x Wireless LAN PC Card x Current Profile Default hd Monitor Statistics Site Survey Encryption Advanced Profiles into r Preview of Default BSID cz Mode Infrastructure Channel 10 Tx Rate Auto 802 11 Power Sav Off Encryption Disabled Authentication T Auto Radio n Int Roaming Of p Wizard Your current profile is Default and it is tead only Use the New command on the left to create a custom profile r Existing profiles Figure 39 Profiles Settings I
21. ox Corp which accepts transmission from computers and terminals Ethernet operates on 10 Mbps baseband transmission over shielded coaxial cable or over shielded twisted pair telephone wire Infrastructure The infrastructure includes the distribution system medium DSM AP and portal entities It is also the logical location of distribution and integration service functions of an extended service set ESS An infrastructure contains one or more APs and zero or more portals in addition to the distribution system DS TEEE Institute of Electrical and Electronic Engineering LAN Local Area Network Roaming A function that allows one to travel with a mobile end system wireless LAN mobile station for example through the territory of a domain an ESS for example while continuously connecting to the infrastructure RTS Request To Send Threshold Transmitters contending for the medium may not hear each other RTS CTS mechanism can solve this Hidden Node Problem SOHO Small Office Home Office SSID Service Set Identifier Wired Equivalent Privacy WEP The optional cryptographic confidentiality algorithm specified by IEEE 802 11 is used to provide data confidentiality that is subjectively equivalent to the confidentiality of a wired local area network medium that does not employ cryptographic techniques to enhance privacy 25
22. st 47 4 Yes Infrastructure 00 04 DB 38 57 90 103 47 5 Yes Infrastructure Re Scan Cancel Figure 3 6 Site Survey Option Encryption By choosing this option in any of the two modes you can set four different WEP keys and specify which one of them to be used First either enable or disable encryption from the appropriate Encryption field see Figure 3 7 If encryption is enabled you can choose any of the available WEP keys 1 to 4 If you select Mandatory from the WEP mode Mandatory Optional then not only will WEP key 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 choose Optional then your station can communicate with other stations regardless if they use WEP or not 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 Press the Submit button at the bottom of the screen to take effect your changes 17 wireh LAN Mordor Uibddy Wireless LAN PC Cord Figure 3 7 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 3 8 Figure 38 shows the recommended configuration for the advanced setti
23. though Windows NT 4 0 is similar in appearance with Windows 95 98 Me and Windows 2000 they have different philosophy when installing a new hardware Throughout this section it is assumed that you have the basic working knowledge of Windows NT 4 0 and installing new network cards on this OS Some specific features of Windows NT 4 0 are briefly explained in this paragraph Unlike Windows 95 98 Me and Windows 2000 Windows NT 4 0 does not support the Plug amp Play and Hot Swapping features In Windows NT 4 0 you need to inform the operating system about the existence of the new card in order to start installing the driver Also if you want to swap cards you need to restart the PC to recognize the card Note Being able to install the WLAN PC Card on to your PC running under Windows NT 4 0 you will need to log on as Administrator Also you will need to have at least NT Service Pack 4 installed Installing the Utility Please follow the steps below to install the utility 1 Insert the supplied CD ROM in the CD ROM drive 2 The InstallShield Wizard should start automatically If Autorun is disabled in your Windows settings you will need to go to the Windows Start button choose Run and type D setup exe in the text box where D is the drive letter of your CD ROM drive 3 Follow the InstallShield Wizard to install the utility 4 Go to next step for installing the driver when completing the installation proc
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