Wireless LAN USB Dongle
Contents
1. S Notebook with Wireless LAN USB Dongle Notebook with Wireless LAN USB Dongle BSS1 SN BSS2 ESS 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 the network users within this ESS can roam freely All WLAN USB dongles 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 Aa Lables modem Swilch 1 bh 1 i Ne ebeei wilh U i VWrelezsg AN USE Dongiel t I i i Access Point i i t 1 D f 1 D i i i k f K i k i y e 4 D d F MF d Ba d Ss x SCH HEEAE a ESS M lt BSS2 gt ler Bi De We BE e RK Figure 1 3 Seamless Roaming Hodebooe wilh Wire ee LAN USD Donghe a 2 INSTALLATION Use the procedures described in this chapter to install your WLAN USB dongle under MS Windows 98 ME 2000 and XP 2 1 Product Kit Before starting installation please make sure the WLAN USB dongle package you purchased includes the following items 1 WLAN USB dongle 2 CD ROM including Driver Utility and User s Manual 3 User s Manual hard copy 4 Cable If anythin2. Advanced C Use Windows to configure my wireless network settings Available networks alt tst datang 103 Prefered networks Learn about setting up wireless network configuration 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 ST eee EE SE EE oo cen Eee em PEN Ke er rae Pues Kaell TELL LTT E 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 Click the Clear button to renew or
3. DQPSK Coding 1 2Mbps 11 chip bit Barker Coding 5 5 11Mbps Complementary Code Keying Number of channels Europe 13 3 non overlapping US 11 3 non overlapping France 4 1 non overlapping Japan 14 3 non overlapping Host Interface USB 1 1 Compliant Transmit power 15dBm Typ Receive sensitivity 83dBm Typ for 11Mbps 88dBm Typ for 5 5 2 1Mbps BER 10E 5 Software Driver Support MS Windows 98 Me 2000 XP Utility User setup and diagnostics tool Mechanical Dimensions 4 7 x 3 0 x 1 0 120 x 77 x 25 mm Weight 2 8 oz 80 grams Environmental Temperature 32 131 F 0 55 C operation 4 149 F 20 65 C storage Relative Humidity 95 non condensing Certificate EMC U S FCC Part 15 sections 15 247 15 205 15 209 Europe ETS 300 328 ETS 300 826 CE Marked 5 GLOSSARY The following glossary is for your reference only and is not need for the installation of your USB Dongle oO 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
4. Spain Sweden Taiwan 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 unless otherwise stated 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
5. 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 USB dongle to the wired LAN but also doubles the effective wireless transmission range between two WLAN USB dongles BSS ID is in essential the ID of each independent WLAN USB dongle All WLAN USB dongles 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 Sj a C Desktop PC I bad File Server Desktop PC Hub z I NAN Of 1 N les y Access Point s Access Point NM i o Cy Sa S D C SS S Notebook with Desktop PC with Notebook with Desktop PC with Wireless LAN USB Dongle Wireless LAN USB Dongle Wireless LAN USB Dongle Wireless LAN USB Dongle 4 d 4
6. of any implied warranties arising 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 Table of Contents MISE OID UG H T EE 5 UE E SE 5 Ee EE 5 1 3 Wireless Da BEE EE 6 1 3 1 802 11 Ad Hoc Configuration E 6 1 3 2 Infrastructure Configuration snenssiecsricnsineiani nines in iai 6 z INSTALLATION RE 9 DN Product E EE 9 2 2 PC s Minimum RE EE 9 2 3 Installing the Utility and Driver EE 9 2 3 1 Under MS EU UE 9 SE EE 10 A CONHGURA NL CG 11 3 1 Using the Configuration amp Monitor Utility 2 cece ceeeseeseseeneseseseeeeteneeeens 11 E A E RE 18 bee OEOSSAR Meee Neh a ede a he et IO oho ols Ai ht a he lar aul A aad Ak 19 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 fully distributed data connectivity via micro cells and roaming The
7. 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 Xerox 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
8. 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 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 3 8 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 Figure 3 8 Advanced Settings Note The WLAN USB dongle has an auto detection feature therefore it automatically selects the Preamble Type depending on the Access Point Preamble type Move the sl
9. update this list of statistics Press the Exit button at the bottom of the screen to exit KA LAH Horic Utdde Haar LAN USE Donga Figure 3 5 Statistic Information Available 13 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 Waskar LAN UES Dongle ke Cieri Pro 1 sais Hondsr Gistimicr Sits Survey Enoypion Advanced Profiec inde DLLGSE t oF 1M 10 ei nhunn EI DIGDPILS0bS 107 IMS 11 ei Peas EDR si 10 IOS Wee LITLE E TAHDEM alli 1005 1 Me niii THH DE WigE7 104 20905 3 er Ir nkbusteg OHNE gD ra Ws 3 Yer nharkuchsa HIHIH HHN best Tit d ver nia inchs DHHDE J F9 17 Ms D Y Tips THLE FeAaF I E Me vdakut g 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
10. when 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 e 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 e 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
11. WLAN USB dongle 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 USB dongle on various devices with USB port 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 e Compliant with 11 Mbps 802 11b high speed specification e Data rate 11 5 5 2 1 Mbps automatic fallback under noisy environment e Advanced Power Management for battery saving e Build PCB patch diversity antennas e Supports MS Windows 98 Me 2000 XP e Interoperable with IEEE 802 11b compliant equipment e Supports full mobility and seamless roaming from cell to cell e Plug and play installation and easy client management with utility software e Supports point to point and point to multipoint access e Direct Sequence Spread Spectrum DSSS technology provides robust interference resistant and secure wireless connection e Wireless connection without the hassles and cost of cabling e Greater flexibility to locate or move networked PC s 1 2 Applications e Home networking for device sharing Remote access to corporate network information email file transfer and terminal emulation e Frequently changing environments Retailers manufacturers and banks that frequently rearrange the workplace and change location e SOHO Small Office and Home Of
12. Wireless LAN USB Dongle User s Manual Ver 1 5 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
13. cedure 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 Linux It is recommended to use uhci o rather than the default usb uchi 1 Replace alias usb controller usb uhci with alias usb controller uhci in etc modules conf 2 2 Reboot Please follow steps to install the utility and drivers 1 Unpack the wirelesslan tar gz package anywhere you like tar zxvf wirelesslan tar gz cd Wirelesslan make config Build all y n Build Debug version y n Build Application y n Build Command line application y n make install modprobe usbvnetr Check the logs or run dmesg and look for the following line vnetusba c usb ethX initialized and registered X 0 1 2 3 Configure card with iwconfig and or Ivnet Startup Options Configuration 1 Edit the tmp vnetre file by adding your preferences of channel essid encryption etc If you edit the file in order for your settings to take effect you have to uncomment the post install entry in etc modules conf for the corresponding module Note FOR MORE DETAILS SEE THE README INSIDE THE WIRELESSLAN PACKAGE 2 x 3 CONFIGURATION The Configuration amp Monitor Utility is a powerful application that helps you to configure the WLAN USB dongle and monitor the statistics of the communication Unlike the standard method of configuring the card via the o
14. fice users SOHO users need easy and quick installation of a small computer network functions e Inter building connection The wireless building to building network installs quickly requires no monthly lease fees and provides the flexibility to reconfigure easily e Typical applications include hard to wire buildings campuses hospitals medical offices warehouse security huts exhibition centers etc e 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 the peak periods 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 USB dongle 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 Desktop PC oe Notebook with 3 Wireless LAN USB Dongle Wireless LAN USB Dongle Figure 1 1 802 11 Ad Hoc Configuration 1 3 2 Infrastructure Configuration An integrated wireless and wired LAN is called an infrastructure configuration A group of WLAN USB dongles and an Access Point AP is called a Basic Service Set BSS Each WLAN USB dongle
15. g is missing please contact your vendor 2 2 PC s Minimum Requirements To install the WLAN USB dongle successfully your PC should meet the following minimum requirements 1 MS Windows 98 Me 2000 or XP operating system 2 Minimum 5 Mbytes free disk space for installing the driver and the utility program 2 3 Installing the Utility and Driver Depending on the operating system you use please follow the steps described in Section 2 3 1 to install the Utility and Driver Then go to Section 3 to continue the procedure Note Please do not plug your WLAN USB dongle until the setup procedure has been completed 2 3 1 Under MS Windows 98 Me 2000 XP Please follow the following steps to install the utility and driver 1 Insert the supplied CD ROM in the CD ROM drive The InstallShield Wizard should start automatically If Autorun is disabled in your Windows settings go to the Start button choose Run and type D setup exe in the text box where D is the drive letter of your CD ROM drive 2 Follow the InstallShield Wizard to install the driver and utility 3 Reboot your PC after completing the installation process Recommended 4 Plug your WLAN USB dongle The Add New Hardware Wizard automatically loads the driver then a new application icon the Configuration amp Monitor Utility will be displayed in the task bar 5 Go to Section 3 for Configuration Note In the MS Windows 2000 XP installation pro
16. ide 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 Profile 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 Wake IAM rm E ated LAN PE C ed S Deet Pik Distal z Mort Stakities Saa Seen Enoyption Ashanced Fisies iie Eiling Dealer Dee of Data D sigui lees pee D Nk Infactucture Channel 10 Ta Peat Aut BILT Freen Sae OF eg D On led Ading ov si Mess Wand ra aert profile ia Testu al i ii sepchonia Ue the Hew command on Fe Figure 3 9 Profiles Settings Info 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 Figure 3 10 Information 4 SPECIFICATIONS General Standards compliance Compliant IEEE 802 11b Standard Security WEP 64 bit 128 bit encryption MD5 Hardware RF Range Frequency range 2 4 2 4835GHz Data rate 11Mbps 5 5Mbps 2Mbps 1Mbps Modulation DSSS Direct Sequence Spread Spectrum DBPSK
17. perating system utilities e g Control Panel this application permits the dynamic modification of the configuration parameters while the card is operating This application also offers some more configuration options 3 1 Using the Configuration amp Monitor Utility The Configuration amp Monitor Utility appears as an icon on 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 the 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 A Figure 3 1 Icon of Configuration amp Monitor Utility 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 Support Connection Status Connected Duration 00 04 45 Speed 11 0 Mbps Signal Strenath Seil SL Received Packets 105 60 Activity Figure 3 2 Wireless Network Connection Status 4 Wireless Network Connection Properties General Wireless Networks Authentication
18. 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 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
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