TP-Link TL-WN321G User's Manual
Contents
1. Storage Temp 40 C 70 C 40 F 158 F Humidity 10 95 RH Non condensing Dimensions 3 4 1 00 5 in 86 X26 X 12 mm WXDXH 15 TL WN321G EKZ MAN A OL ES URS EOI A ei e Appendix B Glossary 802 11b The 802 11b standard specifies a wireless networking at 11 Mbps using direct sequence spread spectrum DSSS technology and operating in the unlicensed radio spectrum at 2 4GHz and WEP encryption for security 802 11b networks are also referred to as Wi Fi networks 802 11g specification for wireless networking at 54 Mbps using direct sequence spread spectrum DSSS technology using OFDM modulation and operating in the unlicensed radio spectrum at 2 4GHz and backward compatibility with IEEE 802 11b devices and WEP encryption for security Ad hoc Network An ad hoc network is a group of computers each with a wireless adapter connected as an independent 802 11 wireless LAN Ad hoc wireless computers operate on a peer to peer basis communicating directly with each other without the use of an access point Ad hoc mode is also referred to as an Independent Basic Service Set IBSS or as peer to peer mode and is useful at a departmental scale or SOHO operation DSSS Direct Sequence Spread Spectrum DSSS generates a redundant bit pattern for all data transmitted This bit pattern is called a chip or chipping code Even if one or more bits in the chip are damaged during transmission statistical2. a mn TP LINK User Guide TL WN321G 54M Wireless USB Adapter e 2 4GHz 802 11g b Rev 3 0 COPYRIGHT 8 TRADEMARKS Specifications are subject to change without notice TIP LINK is a registered trademark of TP LINK Technologies Co Ltd Other brands and product names are trademarks or registered trademarks of their respective holders No part of the specifications may be reproduced in any form or by any means or used to make any derivative such as translation transformation or adaptation without permission from TP LINK Technologies Co Ltd Copyright 2006 TP LINK Technologies Co Ltd All rights reserved 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 gt Reori
3. Launch TL WN321G Wireless Utility Click the Profile tab of the utility and click the New button on the screen that appears The Profile configuration screen will appear please enter Test for the Profile Name TPLINK for the SSID select Infrastructure for the Network Mode select WEP for the Data Encryption and enter 0123456789 for Network key Click OK to save this profile Click Apply on the Profile screen The utility will establish a connection with this AP by configured profile 14 TL WN321G ERRE EOI CTS Appendix A Specifications Normal Interface A type USB 2 0 Connector Standards IEEE802 11b IEEE802 11g Operating System Windows 98Se Me 2000 XP Transmission Distance In door up to 100m out door up to 300m it is limited to the environment Radio Data Rate 54 48 36 24 18 12 9 6Mbps or 11 5 5 3 2 1 Mbps Auto Rate Sensing Modulation 1M DBPSK 2M DQPSK 5 5M 11M CCK 6M 9M 12M 18M 24M 36M 48M 54M OFDM Media Access CSMA CA with ACK Protocol Transmit Power 22dBm Typical Data Security WPA 64 128 BIT WEP TKIP AES IEEE802 1x authentication Frequency 2 4 2 4835GHz Spread Spectrum Direct Sequence Spread Spectrum DSSS Power Consumption Typically 480mA in full Transmit TX 420mA in full Receive RX Safety amp Emissions FCC CE Physical Environmental Operating Temp 0 C 40 C 32 F 104 F
4. 2 3 2 Uninstall the utility software from your PC oooooonnccccnonocccinononcncnonananccnnnananon 6 Chapter 3 Configurations sidri eiaeaen e dias 7 C A ON E EEEE TEET E TEA iad kd EEEE AE 7 3 1 1 Add or Edit a Configuration Profile oocoonncccnnnnncccinnnoncccnononcnncnnnnnncnnnnnno 8 S2 Cink Statu S aiii RA eiA A a e eer ai 10 3 3 Site SUNY saie a a a a ai esti 11 ERES E A AA a aN Ge EET 12 EK NONITO PEPE A e bi E E ka eee S A T 13 JIBADOUI ka bizi ei E ka pont a EE E E E ET 13 3 7 An example for application ooooonnonccin nococccnnononccnnncnnnncnnnnnn non nnnan cono ncnnnnccrnnnn nn 14 Appendix A SpecificatiOnS ooooocnnncncnnnnoccnnnononncnnnnnnrnncnnnnnnnnnnnnnn cnn n nen cnn na nnnnn nn nnannnnnnnns 15 Appendix B GIOSSANY e sale eens ri ee ni ian Siye epis e ae denie ik 16 Appendix C Contact Information ooooccccnnnnccccononacnconanancnnnnnnnnnnnnnnnnnnnnn non nnnc cnn nn cnn rannncnnnns 18 TL WN321G EKZ MN A CL EE SY Yo Fe NOE am ei e 2 Package Contents The following contents should be found in your box One TL WN321G USB Wireless Adapter One USB extension cable Quick Installation Guide One TL WN321G Wireless Adapter Resource CD including e Utility and Drivers e User Guide e Other Helpful Information Vo Y Y WV Note If any of the listed contents is damaged or missing please contact the retailer from whom you purchased the TL WN321G Wireless Adapter for assistance TL WN321G
5. States relating to Electromagnetic Compatibility 89 336 EEC Low voltage Directive 73 23 EEC and the Amendment Directive 93 68 EEC the procedures given in European Council Directive 99 5 EC and 89 3360EEC The equipment was passed The test was performed according to the following European standards gt EN 300 328 V 1 4 1 2003 gt EN301 489 1 V 1 4 1 2002 EN 301 489 17 V 1 2 1 2002 gt EN 60950 1 2001 European standards dictate maximum radiated transmit power of 100mW EIRP and frequency range 2 400 2 4835GHz In France the equipment must be restricted to the 2 4465 2 4835GHz frequency range and must be restricted to indoor use Package Contents vivencial ia ide ancien 1 Chapter 14 mtrOQUCUON week ov abo kb zane kepi ee ank pe See ds 2 1 1 Overview of the prodUCt Lll iireeLetetetterrerttsenaoattesaaneraesasnoonessnonooossnonnonsosonnnn 2 2 SAW OS fie ti tactical lit a ae A de ia kri ek tte re ee e nic 2 1 3 LED Status iia die Ae danse k 2 Chapter 2 Installation Guide ass aeaa eaa eaa aa aaa a ar iaaa ie Taaa aa 3 2A Software Installation e pia eataa didnt doit miden pk ip de 3 ZAN OV NEW adi 3 2 1 2 Software Installation for Windows 2000 oooocccnnoccccnonocccinononnccconananccnonnnnnnn 3 2 2 Hardware Installation sirrien a eiaeiiai Eie aani 6 2 3 Uninstall SottwWare vu id eA AE Aaa aad eae 6 2 3 1 Uninstall the driver software from your PC ooooonnccccnonoccconononcnnnonananncnnnnnnnnn 6
6. Wep Key Key 1 Key 2 Key 3 Key 4 the Key groups You can enter 10 hexadecimal digits any combination of 0 9 a f A F or 5 ASCII characters for 64 bit also called 40bits encryption You can enter 26 hexadecimal digits any combination of 0 9 a f A F or 13 ASCII characters for 128 bit also called 104bits encryption 3 2 Link Status The Link Status tab displays the adapter s current status 10 TL WN321G 2 TL WN321G Wireless Utility Profile Link Status Site Survey Statistics Advanced About Status Extra Info Link Speed Throughput Link Quality Signal Strength Noise Level TP LINK FWA1100 TEST sundan lt gt 00 03 7F BE FO E4 Link is Up TxPower 100 Channel e lt gt 2437000 KHz Tx Mbps 54 0 Rix Mbps 54 0 Tx Kbps 0 2 Rx Kbps 10 3 Good 99 a a al Good 84 J dBm PHPAREA Normal 70 PATET 54M Wireless USB Adapter User Guide Figure 3 4 Link Status The following table describes the items found on the Network Status screen Status Shows whether the station is connected to the wireless network if not connected display RF is closed if connected display AP name and BSSID Extra Info Shows link status and the current channel in use Link Speed Shows the current max Transfer rate unit is Mbit sec Throughput Displays Tx and Rx rate unit is Kbits sec Link Quality Shows the quality of the signal Signal Strength Sh
7. 321G program from the installed program list highlight it and click the Remove button 3 Following the Install Shield Wizard will uninstall the utility software from your PC TL WN321G EKZ MAN A CE NS EOI am LU o Chapter 3 Configuration TP LINK TL WN321G USB Wireless Adapter can be configured by its utility This section describes how to configure your USB Wireless Adapter for wireless connectivity on your Wireless Local Area Network WLAN and use the data security encryption features After the Adapter s driver and utility has been installed the adapter s tray icon all or will appear in your system tray It means the utility is running on your system If the utility does not run you can run the utility by clicking Start Program TP LINK gt TL WN321G WIRELESS UTILITY gt TL WN321G Wireless Utility If the icon still does not appear the driver or utility may be installed incorrectly or the adapter is unplugged please try again a Icon all means the connection has been established Icon means there is no connection Double click the all icon and the configuration screen of the utility will appear You can also run the utility by clicking Start gt Program gt TP LINK gt TL WN321G WIRELESS UTILITY gt TL WN321G Wireless Utility The utility provides a complete and easy to use set of tools to gt Display current status information gt Edit and add configured profiles gt Display current diagnostics informati
8. EKZ MAN A OS US EOI am CLO o E Chapter 1 Introduction 1 1 Overview of the product The TP LINK TL WN321G USB Wireless Adapter gives you the flexibility to install your PC or notebook PC in the most convenient location available without the cost of running the network cables Its auto sensing capability allows high packet transfer up to 54Mbps for maximum throughput or dynamic range shifting to lower speeds due to distance or operating limitations in an environment with a lot of electromagnetic interference It can also interoperate with all 11Mbps wireless 802 11b products Your wireless communications are protected by up to 128 bit WEP and WPA encryption so your data stays secure 1 2 Features gt Complies with EEE802 11g IEEE802 11b standards Supports WPA data security IEEE802 1x authentication TKIP AES encryption 64 1 28 bit WEP encryption gt Supports 54 48 36 24 18 12 9 6Mbps or 11 5 5 3 2 1Mbps wireless LAN data transfer rates Provides USB interface Supports Ad Hoc and Infrastructure modes Supports roaming between access points when configured in Infrastructure mode Eases configuration and provides monitoring information Supports Windows 98SE Me 2000 XP Internal Antenna VV VV V WV 1 3 LED Status The LED on the top of this card indicates Link Act status It blinks at green light when sending and receiving data TL WN321G ZAN MN A CCI EE NS EOI am CLO e Chapter 2 Installation Guide 2 1 Software Insta
9. e on Profile Name list and click the Activate button Note Do not forget to click the Apply button when you create a new profile for connection 3 1 1 Add or Edit a Configuration Profile To add a new configuration profile click Add button on the Profile Management tab To modify a configuration profile select the configuration from the Profile list and click Edit The Profile Management dialog box will display a screen similar to that shown in Figure 3 2 1 Edit the Configuration tab gt Profile Name Identifies the configuration profile This name must be unique Profile names are not case sensitive gt SSID The IEEE 802 11 wireless network name This field has a maximum limit of 32 characters gt PSW Power Save Mode e CAM Constantly Awake Mode Continuous Access Mode TL WN321G EKZ MN A CL ES URS EOI am LUT o CE e PSW Power Saving Mode Power Saving mode Network Type Displays the wireless mode either Ad hoc or Infrastructure mode Preamble Specifies the preamble setting in 802 11b The default setting is Auto Switch access point mode which allows both short and long headers in the 802 11b frames The adapter can only use short radio headers if the access point supports and uses them gt RTS Threshold Default is 2312 Fragment Threshold Default is 2312 Ad hoc mode Displays the wireless mode either Only 802 11B or 802 11B G mode gt Channel Shows the current channel in use Th
10. eive CTS 0 RTS Frames Fail To Receive CTS D m Receive Statistics Frames Received Successfully 203 Frames Received With CRC Error 4840 Frames Dropped Due To Out of Resource 0 Duplicate Frames Received 0 Figure 3 6 Statistics tab 12 TL WN321G EKZ MN A CL EE NS EOI am CLOT o E 3 4 Advanced On this Screen you can configure the WEP key or view the configured WEP key 2 TL WN321G Wireless Utility i xj Profile Link Status Site Survey Statistics Advanced About Wireless mode 802 11 B G mix y 802 11 B G mix 802 11 B onl B G Protection Auto y T cex20 Tx Rate Auto y J LEAP tum on CCKM 7 Enable Radio Measurement l TxBURST l Enable TCP Window Size Limit 250 miliseconds 0 2000 Fast Roaming at 70 dBm i Turn off RF Apply Figure 3 7 Advanced gt Wireless mode Displays the wireless mode either 802 11B G mix or 802 11B only B S Protection There are three options either Auto or Enable or Close TxRate Shows the current Transfer rate TXBURST It can translate more data when it enable Fast Roaming at Roaming will disable when Transmit Power is below some dBm Turn off RF The wireless radio of this adapter can be enabled or disabled You can turn the wireless radio off by selecting the check box Apply Click the Apply button to save the current setting VV VV WV v 3 5 About This screen displays some information about t
11. ent or relocate the receiving antenna gt Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected gt Consult the dealer or an experienced radio TV technician for help 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 must accept any interference received including interference that may cause undesired operation Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment FCC RF Radiation Exposure Statement This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled environment This device and its antenna must not be co located or operating in conjunction with any other antenna or transmitter To comply with FCC RF exposure compliance requirements the antenna used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co located or operating in conjunction with any other antenna or transmitter CE Declaration of Conformity For the following equipment TL WN321G CEO Is here with confirmed to comply with the requirements set out in the Council Directive on the Approximation of the Laws of the Member
12. his adapter including Driver Date Driver Version Utility Date Utility Version MAC Address IP Address SubMask Power Save mode and Preamble gt Utility Version The version of this utility Utility Date The creation date of this utility Driver Version The version of the wireless network adapter driver Driver Date The creation date of the wireless network adapter driver EEPROM Version The version of this EEPROM IP Address The IP address of the wireless network Phy_Address The MAC address of the wireless network adapter SubMask The subnet mask of the wireless network VV Y WV Vv Vo WV 13 TL WN321G EKZ MN A CL ES UY EOI am CLO 0 Default Gateway The default gateway of the wireless network 2 TL WN321G Wireless Utility xj Profile Link Status Site Survey Statistics Advanced About TP LINK Copyright C TP LINK TECHNOLOGIES CO LTD All Rights Reserved Utility Version 1 1 6 0 Date 03 03 2006 Driver Version 1 0 4 0 Date 01 12 2006 EEPROM Version 1 3 Firmware Version 1 8 IP Address 192 168 1 100 MAC Address 00 04 EB 00 01 75 Sub Mask 255 255 255 0 Default Gateway 192 168 1 1 Figure 3 8 About 3 7 An example for application Suppose you have an installed and using AP the SSID is TPLINK and it adopts 64 bit encryption with the key 0123456789 To establish a connection with this AP you should follow these steps below 1 2
13. is field determines which operating frequency will be used Add Profile xi Configuration Authentication and Security Profile Name TPLINK SSID TP LINK FWAT100 TEST y PSN CAM Constantly Awake Mode C PSM Power Saving Mode Network Type Infrastructure ba Preamble Infrastructure 7 RTS Threshold oi y 2347 2347 l Fragment Threshold 256 1 y 2346 2346 Figure 3 2 Add Profile configuration 2 Edit the Authentication and Security tab TL WN321G EKZ MAN A CL ES UY EE am CLO o C Add Profile xj Configuration Authentication and Security Authentication Type Open z Use 802 1x Encryption WEP Si WPA Preshared Key Wep Key Ket fasa y AA C KeyH2 Hex he C KeyH3 Hex Es C Keyt4 Hex z WEP 64 Bits Encryption Please Keyin 10 HEX characters or 5 ASCII characters WEP 128 Bits Encryption Please Keyin 26 HEX characters or 13 ASCII characters I Show Passward Cancel Figure 3 3 Adad Profile configuration gt Authentication Type Three options Open System Shared Key System or LEAP 802 1x Setting It enables when Authentication Type is setting to WPA Encryption Displays which encryption type that the driver is using When you select Open System Shared Key System as Network Authentication there are two options WEP and Disabled If you select WPA PSK as Network Authentication there are TKIP and AES options instead of WEP and Disabled gt
14. llation 2 1 1 Overview The Adapter s Setup Wizard will guide you through the installation procedure for Windows 98SE Me 2000 and XP The Setup Wizard will guide you install the Utility and drivers If you install the hardware before the software you will be prompted Found New Hardware Wizard click the Cancel button and run the Setup Wizard program on the CD ROM The Setup steps for Windows 98SE Me 2000 and XP are very similar The following setup steps are for windows 2000 2 1 2 Software Installation for Windows 2000 1 Insert the Resource CD into your CD ROM drive click the Start button and choose Run In the field that appears enter FAXXXSetup exe if F is the letter of your CD ROM drive XXX presents the setup program path which is labeled on the Resource CD figure 2 1 should then appear 2 You can click the Cancel button to end the installation on the Preparing Setup screen figure 2 1 Otherwise the Setup Wizard will display a screen similar to that shown in figure 2 2 after a moment TL WN321G Wireless Utility InstallShield Wizard Preparing Setup Please wait while the InstallShield Wizard prepares the setup TLWN321G Wireless Utility Setup is preparing the InstallShield Wizard which will guide you through the rest of the setup process Please wait Cancel Figure 2 1 Preparing Setup 5 TL WN321G BBY UN Big xt URS Se ETT CE To continue click the Next button o
15. n the screen figure 2 2 Click the Cancel button to end the Installation TL WN321G Wireless Utility InstallShield Wizard xj Welcome to the InstallShield Wizard for TL WN321G Wireless Utility The InstallShield Wizard will install TL W N321G Wireless Utility on pour computer To continue click Next Figure 2 2 Start Setup Click Browse to change the destination location for the software in figure 2 3 Click Next to continue the Installation Click Back to return to the previous page or click Cancel to end the Installation TL WN321G Wireless Utility InstallShield Wizard Choose Destination Location Select folder where setup will install files Setup will install TL4WN321G Wireless Utility in the following folder To install to this folder click Next To install to a different folder click Browse and select another folder Destination Folder oi retann G Wireless Utility Browse InstallShield 3 Cancel Figure 2 3 Choose Destination Location While files are copying you will see a warning box shown in figure 2 4 Please select YES to continue installation Our drivers have been tested thoroughly and are able to work with the operating system TL WN321G BBY BAT xe ETA A Te Digital Signature Not Found x The Microsoft digital signature affirms that software has been tested with Windows and that the software has not been altered since it was tested The software yo
16. on The section below introduces these above capabilities Note If your OS is Windows XP you can use Windows XP to configure the wireless network settings To use this function you must upgrade the OS with sp1 If you want to use Windows XP to configure wireless network settings just exit the utility Right click the icon all at the bottom of the screen and click Exit to exit the utility 3 1 Profile Click the Profile tab of the utility and the Profile screen will appear figure 3 1 The Profile screen provides tools to gt Adda Profile gt Delete a profile gt Edita profile gt Activate a profile TL WN321G EKZAMEN NS EOS 2 TL WN321G Wireless Utility xj Profile Link Status Site Survey Statistics Advanced About r Profile List Profile Name SSID Channel Authentication Encryption Network Ty TP LINK PWR Auto Open SES Infrastructure Delete Edit Activate Figure 3 1 Profile Tab To create a new profile click the Add button on the Profile tab the Profile configuration screen will appear as shown in figure 3 2 To edit a profile highlight the desired profile name on Profile Name list and click the Edit button the Profile configuration screen will appear shown in figure 3 1 To delete a profile highlight the desired profile name on Profile Name list and click the Delete button To switch to another profile highlight the desired profile nam
17. onnect the other end of the USB cable to the USB port on your computer Because the Adapter gets its power from the host there is no external power supply The LED should light up when the Adapter is plugged in and the PC is on 2 3 Uninstall Software 2 3 1 Uninstall the driver software from your PC 1 On the Windows taskbar click the Start button point to Settings and then click Control Panel 2 Double click the System icon click on the Hardware tab in the System window Click on the Device Manager button double click Network Adapters and then right click TL WN321G USB Wireless Adapter A0 xi aton yon e amela y i Computer H Disk drives E a Display adapters H 6 Floppy disk controllers H Floppy disk drives IDE ATA ATAPI controllers 883 Keyboards a D Mice and other pointing devices w Monitors 8H Network adapters EF Marvell Yukon Gigabit Ethernet 10 100 1000Base T Adapter Copper RJ 45 EF TL WN321G USB Wireless Adapter aa Ports COM amp LPT E Ki Sound video and game controllers H System devices E 2 Universal Serial Bus controllers Figure 2 6 Uninstall Driver 4 Click Uninstall shown in above figure 2 6 the system will uninstall the driver software of the adapter from your PC 2 3 2 Uninstall the utility software from your PC 1 On the Windows taskbar click the Start button point to Settings and then click Control Panel 2 Double click the Add Remove Programs icon find the TL WN
18. ows the strength of the signal gt Yv YV YV YV Y 3 3 Site Survey Click the Site Survey tab of the Utility and the Site Survey screen will appear figure 3 5 On the Site Survey screen you can scan the Available Infrastructure and Ad Hoc Networks TL WN321G BBY Bigs xt UR Se Veo EOI am CLOT e TL WN321G Wireless Utility xj Profile Link Status Site Survey Statistics Advanced About Se TP LINK FWAT1 00 03 7F BE FO 86 6 Unknown Infrastruc TP LINK m 00 04 EB 86 43 10 11 TKIPA WPA P Infrastuc 4 w Connected lt gt TP LINK FWR110C Rescan Connect Add to Profile Figure 3 5 Site Survey tab Click the Rescan button to refresh the list at any time Highlight an SSID and click the Connect button to connect to an available network 3 3 Statistics The Statistics tab shows receiving and transmitting statistical information for the following receive and transmit diagnostics for frames received by or transmitted to the wireless network adapter Click the Reset Counter button to reset the count of the statistics information 5 TL WN321G Wireless Utility i x Profile Link Status Site Survey Advanced About m Transmit Statistics Frames Transmitted Successfully 206 Frames Transmitted Successfully Without Retry 201 Frames Transmitted Successfully After Retry s 5 Frames Fail To Receive ACK After All Retries D RTS Frames Successfully Rec
19. roperability among 802 11b devices WLAN Wireless Local Area Network A group of computers and associated devices communicate with each other wirelessly which network serving users are limited in a local area WPA Wi Fi Protected Access A wireless security protocol use TKIP Temporal Key Integrity Protocol encryption which can be used in conjunction with a RADIUS server 17 TL WN321G EKZ MN A GEN URS EOI am CLOT e Appendix C Contact Information For help with the Installation or operation of the TP LINK TL WN321G Wireless Adapter please contact us E mail support tp link com Website http www tp link com 18
20. ry for use in reliable secure mission critical communications systems lt is designed to trade off bandwidth efficiency for reliability 16 TL WN321G EKZ MAN A CE UY EOS integrity and security In other words more bandwidth is consumed than in the case of narrowband transmission but the trade off produces a signal that is in effect louder and thus easier to detect provided that the receiver knows the parameters of the spread spectrum signal being broadcast If a receiver is not tuned to the right frequency a spread spectrum signal looks like background noise There are two main alternatives Direct Sequence Spread Spectrum DSSS and Frequency Hopping Spread Spectrum FHSS SSID A Service Set Identification is a thirty two character maximum alphanumeric key identifying a wireless local area network For the wireless devices in a network to communicate with each other all devices must be configured with the same SSID This is typically the configuration parameter for a wireless PC card lt corresponds to the ESSID in the wireless Access Point and to the wireless network name WEP Wired Equivalent Privacy A data privacy mechanism based on a 64 bit or 128 bit or 152 bit shared key algorithm as described in the IEEE 802 11 standard Wi Fi A trade name for the 802 11b wireless networking standard given by the Wireless Ethernet Compatibility Alliance WECA see http www wi fi net an industry standards group promoting inte
21. techniques embedded in the receiver can recover the original data without the need for retransmission To an unintended receiver DSSS appears as low power wideband noise and is rejected ignored by most narrowband receivers However to an intended receiver i e another wireless LAN endpoint the DSSS signal is recognized as the only valid signal and interference is inherently rejected ignored FHSS Frequency Hopping Spread Spectrum FHSS continuously changes hops the carrier frequency of a conventional carrier several times per second according to a pseudo random set of channels Because a fixed frequency is not used and only the transmitter and receiver know the hop patterns interception of FHSS is extremely difficult Infrastructure Network An infrastructure network is a group of computers or other devices each with a wireless adapter connected as an 802 11 wireless LAN In infrastructure mode the wireless devices communicate with each other and to a wired network by first going through an access point An infrastructure wireless network connected to a wired network is referred to as a Basic Service Set BSS A set of two or more BSS in a single network is referred to as an Extended Service Set ESS Infrastructure mode is useful at a corporation scale or when it is necessary to connect the wired and wireless networks Spread Spectrum Spread Spectrum technology is a wideband radio frequency technique developed by the milita
22. u are about to install does not contain a Microsoft digital signature Therefore there is no guarantee that this software works correctly with Windows TL WN321G USB Wireless Adapter If you want to search for Microsoft digitally signed software visit the Windows Update Web site at http windowsupdate microsoft com to see if one is available Do you want to continue the installation Figure 2 4 Windows 2000 Warning Box 6 After the files have been successfully copied the screen in figure 2 5 will appear Click the Finish button to finish the wizard TL WN321G Wireless Utility InstallShield Wizard Setup has finished installing The InstallShield Wizard has successfully installed TL WN321G Wireless Utility Click Finish to exit the wizard Figure 2 5 Finish 7 After installing the software Please plug the adapter into your PC If you need instructions as to how to do this please refer to section 2 2 Hardware Installation If you have plugged it into you PC already please un plug it and plug it back in The OS will automatically detect the adapter and automatically setup the driver for the adapter Ifit does not please follow the setup steps to finish the driver installation After installing the driver successfully you should see an icon al or all appear in your system tray TL WN321G ZAN MAN A CG ES NS EE am LUT e CE 2 2 Hardware Installation 1 Connect one end of the USB cable to the Adapter 2 C
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