TP-LINK 300Mbps Wireless N PCI Adapter
Contents
1. Figure 3 18 25 TL WN851N Wireless N PCI Adapter Appendix A Specifications 32 bit PCI Interface IEEE802 11n draft IEEE802 11g IEEE802 11b Operating Svstem Windows 2000 XP Vista Throughput 300Mbps Maximal 27 54 81 108 162 216 243 270Mbps 13 5 27 40 5 54 81 108 121 5 135Mbps Radio Data Rate 13 26 39 52 78 104 117 130Mbps 6 5 13 19 5 26 39 52 58 5 65Mbps 1 2 5 5 11Mbps Auto Rate Sensing 11b CCK QPSK BPSK Modulation 11g OFDM 11n QPSK BPSK 16 QAM 64 QAM Environmental and Physical Operating Temp OC 40C 82 F 104F Storage Temp 40 C 70 C 40OTF 158T Humidity 10 95 RH Non condensing 26 TL WN851N Wireless N PCI Adapter Appendix B Glossarv gt 802 11b The 802 11b standard specifies a wireless product 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 802 119 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 802 11n 802 11n builds upon previous 802 11 standards by adding MIMO multiple input multiple output MIMO uses multiple transmitter and receiver antennas to allow for increase2. Rey Entry Hexadecimal 0 9 4 F O ASCII Text all keyboard characters Encryption Keys WEP Key Size Transmit Kep 152 WEP Key 1 0123456789 WEP Key z WEP kem 3 WEP Key 4 Figure 3 5 G Note Select different Securitv Options the configurations are different vou can select the appropriate securitv option and configure the exact kev as vour need 3 Editthe Advanced tab This screen below allows you to make advanced configuration for the profile 16 TL WN851N Wireless N PCI Adapter Profile Management General Security Advanced Power Save Mode v Network Type Infrastructure wt Wireless Mode Wireless Mode When Starting 4d Hoc Network 2 4 GHz 300 Mbps 2 4 GHz 54 Mbps e 2 4 GHz 11 Mbps 802 11 Authentication Mode Auto e Open System Shared Key Roaming Preferred Ps Figure 3 6 gt Power Save Mode Please select the power save mode in the drop down list e Maximum Selects maximum mode to let the access point buffer incoming messages for the Adapter The Adapter will detect the access point if any messages are waiting periodically e Normal Normal mode uses maximum when retrieving a large number of packets then switches back to power save mode after retrieving the packets e Off Turns power saving off thus powering up the Wireless PCI Adapter continuously for a short message response time gt Network Type There are basically two modes of networking
3. y TP LINK User Guide TL WN851N Wireless N PCI Adapter Rev 1 0 1 1910010039 2 4GHz Draft 11n g b COPYRIGHT amp TRADEMARKS Specifications are subject to change without notice TP 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 2008 TP LINK TECHNOLOGIES CO LTD All rights reserved http www tp link com FCC STATEMENT FC 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 pro vide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not in stalled 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 o
4. The name of the wireless network adapter MAC Address The MAC address of the wireless network adapter Driver The driver name and path of the wireless network adapter driver Driver Version The version of the wireless network adapter driver Driver Date The creation date of the wireless network adapter driver Client Name The name of the client computer 3 3 2 Check Receive and Transmit Statistical Information The Advanced Statistics show receiving and transmitting statistical information about the following receiving and transmitting diagnostics for frames received by or transmitted to the wireless network adapter 22 Advanced Statistics Transmit Frames Transmitted DE Frames Retried Frames Dropped No ACK Frames ACE Frames Recelve Beacons Recelwed Frames Recelwed UF Frames Recelwed with Errors CAC Errors Encryption Errors Duplicate Frames AP Mismatches Data Rate Mismatches TL WN851N Wireless N PCI Adapter EJES ATS Frames CTS Frames Ha CTS Frames Retied ATS Frames Retied Data Frames Authentication Time Out Authentication Rejects Association Time Out Association Rejects Standard MIC OF Standard MIC Errors LEJF MIC OF LEIP MIC Errors Figure 3 13 3 4 Configuration for Windows Vista After the Adapter s driver has been installed Windows Vista will display a wireless Network Connection message like this one Currenthy connected t
5. VV VV V VV WV Order profiles TP LINE Wireless H Client Utility Current Profile Default Action Options Help Current Status Frofle Management Diagnostics Details Network Type Infrastructure Security Mode Disabled Network Mame 1 55107 empty Export Network Name 551012 empty Network Name 3 551013 empty Import Scan Order Profiles Disable WLAN if LAN is Connected Figure 3 2 3 2 1 Add or Modify a Configuration Profile To add a new configuration profile click New on the Profile Management tab To modify a configuration profile select the configuration profile from the Profile list and click Modify Then you will see the Management dialog box shown in Figure 3 3 1 Edit the General tab gt Profile Name Please enter the Profile name which identifies the configuration profile This name must be unique Note that the profile names are not case sensitive gt Client Name Please enter the Profile name which identifies the client machine gt Network Names SSIDs Please enter the IEEE 802 11 wireless network name This field has a maximum limit of 32 characters 13 TL WN851N Wireless N PCI Adapter Profile Management General Security Advanced Profile Settings Profile Name HNewProhle Client Name MewLlient Network Hames 55101 55 02 gt gt 013 Figure 3 3 2 Edit the Security tab Select the Security tab in the screen above
6. illi If the icon is yellow there is poor signal strength and the RSSI is between 5dB and 10dB illi If the icon is green there is good signal strength and the RSSI is between 10dB and 20dB all If the icon is green there is excellent signal strength and the RSSI is more than 20dB Double click the icon and the 11NWCU will run You can also run the utility by clicking the Start Program TP LINK TP LINK Wireless N Client Utilitvo TP LINK Wireless N Client Utility The 11 NWCU provides some integrated and easy tools to gt Display current status information gt Edit and add configuration profiles gt Display current diagnostics information The section below introduces these above capabilities 3 1 Current Status The Current Status tab contains general information about the program and its operations The Current Status tab needn t anv configurations 11 TL WN851N Wireless N PCI Adapter TP LINE Wireless N Client Utility Current Profile Default ES Action Options Help Current Status Profile Management Diagnostics Profile Mame Default Link Status Associated Network Type Infrastructure Wireless Mode 2 4 GHz 54 Mbps Control Channel b Extension Channel Server based Authentication Mone Data Encryption None IF Address 192 168 1 101 signal Strength MEMO Excellent Advanced Figure 3 1 The following table describes the items found on the Current Status screen gt Profile Name
7. N Client Utility is configuring your new software installation Installing the driver files LC bempdeyvcor exe Cancel Figure 2 8 5 Note 1 For Windows XP the Setup Wizard will notify you of how to proceed with the installation during these steps shown in Figure 2 9 Our drivers have been tested thoroughly and are able to work with the operating system Click Continue Anyway to continue the Installation TL WN851N Wireless N PCI Adapter Hardware Installation The software you are installing for this hardware TP LINE Wireless N Adapter has not passed Windows Logo testing to very its compatibility with Windows AR ell me why this testing i important Continuing your installation of this software may impair or destabilize the correct operation of your system either immediately or in the future Microsoft strongly recommends that you stop this installation now and contact the hardware vendor for software that has passed Windows Logo testing Continue Anyway Figure 2 9 2 In Windows 2000 the warning screen is shown below Figure 2 10 and please select Yes to continue installation Digital Signature Not Found l The Microsoft digital signature affirme that software has been tested with Windows and that the software haz nat been altered since it was tested The software you are about to install does not contain a Microsoft digital signature Therefore there is na guarantee that
8. e Infrastructure All wireless clients will connect to an access point or wireless router e Ad Hoc Directly connecting to another computer for peer to peer communication using wireless network adapters on each computer such as two or more TL WN851N wireless adapters cf Note 1 An Infrastructure network contains an Access Point or wireless router All the wireless devices or clients will connect to the wireless router or access point 2 An Ad Hoc network contains only clients such as laptops with wireless desktop adapters All the adapters must be in Ad Hoc mode to communicate gt Wireless Mode Specifies 2 4 GHz 300 Mbps 2 4 GHz 54 Mbps or 2 4 GHz 11 Mbps operation in an access point network The Wireless adapter must match the wireless mode of the access point with which it associates 17 TL WN851N Wireless N PCI Adapter gt Wireless Mode when Starting an Ad Hoc Network Specifies 2 4 GHz 300 54 11 Mbps to start an Ad Hoc network if no matching network name is found after scanning all available modes This mode also allows the selection of the channel that the Wireless Adapter uses The channels available depend on the regulatory domain If the adapter finds no other ad hoc adapters the channel that the adapter starts the ad hoc network with will be selected automatically The Adapter must match the wireless mode and channel of the clients it associates gt 802 11 Authentication Mode Select which mode the Adapter use
9. fails the client adapter will try the next highest priority profile that matches the SSID until an available network is found 3 3 Diagnostics The Diagnostics tab of the TP LINK Wireless N Client Utility 41 NWCU provides buttons used to retrieve receiving and transmitting statistics The Diagnostics tab does not require any configuration The Diagnostics tab lists the following receiving and transmitting diagnostics for frames received or transmitted by the wireless network adapter gt Multicast frames transmitted and received gt Broadcast frames transmitted and received 21 gt gt TL WN851N Wireless N PCI Adapter Unicast frames transmitted and received Total bytes transmitted and received i IP LINE Wireless N Client Utility Current Profile Default x Action Options Help Current Status Profile Management Diagnostics Transmit r i t t Multicast Packets Adapter Information Broadcast Packets Advanced Statistics Unicast Packets Total Bytes Keceme Multicast Packets Broadcast Packets Unicast Packets Total Bytes Figure 3 12 3 3 1 Check Driver Information Click the Adapter Information button in the screen above you will see the adapter information including general information about the wireless network adapter and the Network Driver Interface Specification NDIS driver Access the adapter information from the Diagnostics tab Y Y VV V gt Card Name
10. this software works corectly with Windows TP LLINE Wireless N Adapter If pou want ta search tar Microsoft digitally signed software visit the Windows Update Web site at tte uwindowsupdate microsoft com to see if one ls available Do you want to continue the installation Figure 2 10 9 After all the steps above you will see the screen below click Finish to complete the installation TL WN851N Wireless N PCI Adapter IP LINE Wireless N Client Utility InstallShield Wizard Complete The installation of the client software has failed Restart your computer and run the installer again No will restart my computer later Remove any disks from their dives and then click Finish ta complete setup Back Cancel Figure 2 11 10 TL WN851N Wireless N PCI Adapter Chapter 3 Configuration TP LINK IL WN851N can be configured by TP LINK Wireless N Client Utility 11 NWCU This chapter describes how to configure your Adapter for wireless connectivity on your Wireless Local Area Network WLAN and use the data security encryption features After Installing the Adapter the Adapter s tray icon alll will appear in your system tray It appears at the bottom of the screen and shows the signal strength using color and the received signal strength indication RSSI il If the icon is gray there is no connection alli If the icon is red there is poor signal strength and the RSSI is less than 5dB
11. This shows the name of current selected configuration profile The configuration of Profile name will be described on the General tab of Profile Management gt Link Status This shows whether the station is associated to the wireless network Yy Wireless Mode Here displays the wireless mode gt Network Type The type of network and the station currently connected are shown here The options include e Infrastructure access point e Ad Hoc c Note You can configure the network type and wireless mode on the Advanced tab of Profile Management gt IP Address This displays the computer s IP address gt Control Channel This shows the currently connected channel gt Data Encryption Here displays the encryption type the driver is using You can configure it on the Security tab of Profile Management gt Server Based Authentication This shows whether the server based authentication is used gt Signal Strength This shows the strength of the signal Click Advanced on the screen above you can see advanced information about the program and its operations 12 TL WN851N Wireless N PCI Adapter 3 2 Profile Management Click the Profile Management tab of the 11NWCU and the next screen will appear shown in Figure 3 2 The Profile Management screen provides tools to Add a new profile Modify a profile Remove a profile Activate a Profile Import a Profile Export a Profile Scan Available Networks
12. and then you can edit the fields to configure the profile To define the security mode select the radio button of the desired security mode as follows 14 TL WN851N Wireless N PCI Adapter Profile Management General 3 eCunIby Advanced Set Securty Options O WPA PA wWwPA w PA EAP Type O WPAAVPA Passphrase 802 1 902 1 EAP Type Allow Association to Mixed Cells Figure 3 4 gt WPA WPA2 Wi Fi Protected Access gt WPA WPA2 Passphrase Wi Fi Protected Access Passphrase gt 802 1x Enables 802 1x security gt Pre Shared Key Static WEP Enables the use of shared keys that are defined on both the access point and the station To define shared encryption keys choose the Shared Key radio button and click Configure to fill in the Define Shared Keys window shown in Figure 3 5 SA Note The WEP security mode is not available for 802 11n gt None No security not recommended c Note If the access point which the Adapter is associated has WEP set and the client has WEP enabled make sure that Allow Association to Mixed Cells is checked on the Security tab to allow association To complete WEP encryption configuration you must select the 802 11 Authentication Mode as appropriate on the Advanced tab of this Profile Management dialog To configure the Encryption Keys under the Pre Shared keys Static WEP Security mode 15 TL WN851N Wireless N PCI Adapter Configure Pre Shared Keys Static WEP
13. ck Save The profile should then be exported to the specified location po NN e Export Profile Save irr C TP LINK Wireless N Client Utility Y E y ES gt Ej Manual File name lefault Save as type Config files pri v Figure 3 8 3 2 5 Import a Profile 1 From the Profile Management screen shown in Figure 3 2 click Import Then the Import Profile will appear below 2 Browse to the directory where the profile is located 3 Highlight the profile name 4 Click Open the imported profile will then appear in the Profiles List import Profile Look in E TP LINK Wireless N Client Utility Te Files of type Config files put y Figure 3 9 19 TL WN851N Wireless N PCI Adapter 3 2 6 Scan Available Networks 1 Click Scan on the Profile Management screen shown in Figure 3 2 the Available Infrastructure and Ad Hoc Networks window will appear below 2 Click Refresh to refresh the list at any time 3 Highlight a network name and click Activate to connect to an available network If no configuration profile exists for that network the Profile Management window will open the General tab screen Fill in the Profile name and click OK to create the configuration profile for that network Available Infrastructure and Ad Hoc Networks ui EJ Network Mame 5510 lio Super sA Signal Strength Channel T test amp yl cea i TP LINK S ul 70 A Sa Figure 3 10 3 2 7 Auto P
14. d data throughput via spatial multiplexing and increased range by exploiting the spatial diversity perhaps through coding schemes like Alamouti coding The Enhanced Wireless Consortium EWC was formed to help accelerate the IEEE 802 11n development process and promote a technology specification for interoperability of next generation wireless local area networking WLAN products 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 statistical techniques embedded in the receiver can recover the original data without the need of 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 Fre
15. e a new folder name or select one from the Existing Folders list It is recommended that you keep the default setting Click Next to continue the installation TL WN851N Wireless N PCI Adapter IP LINE Wireless Client Utility x Select Program Folder Select a program folder The installation program will add program icons ta the Program Folder listed below You may enter a new folder name or select one from the E sisting Folders list Program Folder Existing Folders CorelDRAW 4 CorelDRAW Graphics Suite 12 EONE Microsoft Office Mero snaglt SolidCornvetPDF Symantec Client Security TP LIME Figure 2 5 6 Choose configuration tool if you are not sure please leave it default Then click Next to continue IP LINE Wireless N Client Utility Choose Configuration Too Which tool will you use to configure pour client adapter Third Party Supplicant Figure 2 6 7 Click OK to continue the Installation on the screen below TL WN851N Wireless N PCI Adapter TP LIWE Wireless N Client Utility if it is not yet inserted cancel the Found New Hardware Wizard if it appears and proceed with the installation Click 1 The installation program installs the driver automatically when the client adapter is inserted Insert the adapter now UK ta continue Figure 2 7 8 Wait a while for the setup as shown in Figure 2 8 IP LIWE Wireless N Client Utility Setup Status TP LINE Wireless
16. f the Product The adapter is a draft 802 11n client device it is designed to provide a high speed and unrivaled wireless performance for your notebook With a faster wireless connection you can get a better Internet experience such as downloading gaming video streaming and so on With the 802 11n technology higher throughput improvements using MIMO multiple input multiple output antennas the IL WN851N s auto sensing capability allows high packet transfer rate of up to 300Mbps for maximum throughput It has good capability on anti jamming and it can also interoperate with other wireless 802 116 products The adapter supports WEP WPA and WPA2 encryption to prevent outside intrusion and protect your personal information from being exposed The adapter is easy to install and manage The Quick Setup Wizard guides you step by step through the installation process the TP LINK Wireless N Client Utility helos you create a wireless connection immediately With unmatched wireless performance reception and security protection the TL WN851N is the best choice for easily adding or upgrading wireless connectivity to your notebook computer 1 2 Features gt Complies with IEEE802 11n draft IEEEBO2 11g IEEE802 11b standards gt Supports WPA WPA2 data security IEEE802 1x authentication TKIP AES encryption 64 128 152 bit WEP encryption gt Supports high rate of up to 300Mbps for maximum throughput supports automatically adjust t
17. ference in which case the user may be required to take adequate measures National Restrictions 2400 0 2483 5 MHz Countrv Restriction Bulgaria Outdoor use limited to 10 mW France e r p within the band 2454 2483 5 MHz ltaly Luxembourg None Norway Implemented Russian Federation Note It not used outdoors in France Reason remark General authorization required for outdoor use and public service Military Radiolocation use Refarming of the 2 4 GHz band has been ongoing in recent years to allow current relaxed regulation Full implementation planned 2012 If used outside of own premises general authorization is required General authorization required for network and service supply not for spectrum This subsection does not apply for the geographical area within a radius of 20 km from the centre of Ny lesund Only for indoor applications CONTENTS Package Contents ii wats 1 Chapter Introduccion nara 2 TT Overview or ihe Produits iii 2 1 2 Fealutesiunnai Ne es AS 2 13 CED Stats ancianidad 3 Chapter 2 Installation GUIDO uri a a 4 2 11 Adware Installation isti spe i a a sesame tedae 4 2 2 SollWware Instala naf ta 4 BAN A ia e ga tti ah t abat 4 2 2 2 Software Installation for Windows XP cccccsseseeceeeeeeeeeeeeeeeeseeeeeeeaaaeeees 4 Chapter 3 CONQUE ON 11 d CUNEN Slat nai 11 32 Prole MANAG GING ING ius i na ios 13 3 2 1 Add or Modify a Configuration Profile ss ennnnn
18. ill display after a moment Click Next to continue IP LINE Wireless N Client Utility TP LINE Wireless H Client Utility This program installs the driver and client utilities for pour TP LLINE Wireless N Adapter Cancel Figure 2 2 After that you should choose a Setup type lt is recommended that you select Install Client Utilities and Driver Select Install Driver Only to install driver only select Make Driver Installation Diskette s to make the diskette s as the installation driver shown in Figure 2 3 Click Next to continue 4 5 TL WN851N Wireless N PCI Adapter IP LINE Wireless N Client Utility Setup Type Select the setup type that best suits your needs Click the type of setup you prefer install lent Utities and Driver Description Install Driver Only Choose this option to install the Make Driver Installation Diskette s driver and client utilities This is the recommended option Figure 2 3 Click Browse to change the destination location for the software then click Next in the screen below shown in Figure 2 4 IP LINE Wireless N Client Utility Choose Destination Location Select the folder where the installation program will install the files The installation program will install the client utilities in the following location Destination Folder C TP LINKSTP LINK Wireless N Client Utility Cancel Figure 2 4 After that select the program folder you should creat
19. its fastening tab to your PC s chassis with a mounting screw Then close your PC case 4 Reconnect your PC s power and turn on your desktop PC 2 2 Software Installation 2 2 1 Overview The Adapter s Setup Wizard will guide you through the Installation procedure for Windows 2000 XP and Vista The Setup Wizard will install the TP LINK Wireless N Client Utility 41 NWCU and drivers When you install the hardware prior to before installing the software the system will prompt Found New Hardware Wizard click Cancel and run the Setup Wizard program on the CD ROM The Setup steps for Windows 2000 XP and Vista are very similar The following setup steps are for Windows XP 2 2 2 Software Installation for Windows XP 1 Insert the Resource CD into your CD ROM drive and open the folder with the same name as your product Then double click Setup exe in the proper folder according to your operating system to start the installation After that Figure 2 1 will appear You can click Cancel to end the installation in the screen above TL WN851N Wireless N PCI Adapter IF LINE Wireless N Client Utility InstallShield Preparing Setup Please walt while the InstallShield Wizard prepares the setup TP LINE Wireless N Client Utility Setup i preparing the InstallShield Wizard which will guide you through the rest of the setup process Please malt InstallShield Cancel Figure 2 1 2 Soon Figure 2 2 w
20. nnzznnnnnzzznnnznzzzna 13 3 212 Remove a DONG sia ia ai do 18 3 2 9 OWINCMANOINEr PROMI stieden 18 324 EXOOM a PONO aaner ii a ita bata ata 19 3 2 9 importa Proteina ae a 19 3 2 0 S n Available NEIWOIKS l sess A 20 3 2 7 Auto Profile Selection Management ooccccccocnnncococcnnconoccnnnnnnconnononccnnonanens 20 A i ta a 21 3 3 1 Check Driver Information ennnnnn ana ne nanna nnn ann n nn nnn nn nnannn nn 22 3 3 2 Check Receive and Transmit Statistical Information 22 3 4 Configuration for Windows ViStA oocccccconnccccconncnnccnoncnnnonannnnonnannnnonancnnnonanennns 23 Appendix A SpecificatiONS occocccocncccncconoconancnnnconanenanconnnonanenanrnnnrnnarenanrnnnrnnannnas 26 No doo AAA 27 Package Contents The following items should be found in vour package One TL WN851N Wireless N PCI Adapter Quick Installation Guide One resource CD for TL WN851N including e TP LINK Wireless N Client Utility 171 NWCU and Drivers e User Guide e Other Helpful Information c Note Make sure that the package contains the above items If any of the listed items are damaged or missing please contact with your distributor Conventions The Adapter mentioned in this user guide stands for TL WN851N Wireless N PCI Adapter without any explanations TL WN851N Wireless N PCI Adapter Chapter 1 Introduction Thank vou for choosing the TL WN851N Wireless N PCI Adapterl 1 1 Overview o
21. nverted to HEX for use over the network Four keys can be defined so that you can change keys easily 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 interoperability 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 uses TKIP Temporal Key Integrity Protocol encryption which can be used in conjunction with a RADIUS server 28
22. o Aju TP LINK a sag Access Local only 1 A 4 07 PM Figure 3 14 Icon ull means the connection has been established Icon ill means there is no connection To establish a connection please follow the steps below 1 Right click the conf in your system tray then click Connect to a network 23 TL WN851N Wireless N PCI Adapter Connect to a network Turn on activity animation Turn off notification of new networks Diagnose and repair Network and Sharing Center Figure 3 15 The following screen will show you available wireless networks Highlight the one you want to join and then click Connect ke L A Connect to a network Select a network to connect to Kull LT TAE ai Mi huangqian Security enabled network al Open Network and Sharing Center Connect Cancel Figure 3 16 To continue click Connect Anyway Click the Cancel button to end the connection kal E b LA Connect to a network TP LINK is an unsecured network Gf Connect A ry onnect Anyway Information sent over this network might be visible to others Connect to a different network Cancel 24 TL WN851N Wireless N PCI Adapter Figure 3 17 4 Ifthe connection is successful established the following screen will appear click close to finish the connection G L A Connect to a network Successfully connected to TP LINK Save this network Start this connection automatically Close
23. o lower speeds due to distance or other operating limitations Provides 32 bit PCI interface Supports Ad Hoc and Infrastructure modes Good capability on anti jamming Supports roaming between access points when configured in Infrastructure mode Ease to configure and provides monitoring information Supports Windows 2000 XP Vista Built in two internal antennas which are listed in a format of 2x2 for two receivers and two VV VV VV WV transmitters TL WN851N Wireless N PCI Adapter PCI Adapter 1 3 LED Status LED Indications Status Working Status Status Green The adapter is trying to scan a networking Activity Green Flashing Alternately connection Status Green The adapter is already connected but is not Intermittently _ ae Activity Green transmitting or receiving data Status Green o o Flashing The adapter is transmitting or receiving data Activity Green TL WN851N Wireless N PCI Adapter Chapter 2 Installation Guide 2 1 Hardware Installation To install the adapter follow these steps listed below 1 Turn off your desktop PC and disconnect the power 2 Remove your PC case and locate an available PCI slot on the mianboard Remove the metal slot cover on the back of the PC Check with your computer manufacturer for instructions if needed 3 Slide the PCI Adapter into the PCI slot Make sure that all of its pins are touching the slot s contacts Once the adapter is firmly in place secure
24. quency 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 2 TL WN851N Wireless N PCI Adapter developed by the military for use in reliable secure mission critical communications systems It is designed to trade off bandwidth efficiency for reliability 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 know
25. r more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e 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 Any changes or modifications 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 this grant is applicable to only Mobile Configurations The antennas 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 Mark Warning C 1588O This is a class B product In a domestic environment this product may cause radio inter
26. rofile Selection Management The auto selection feature allows the adapter to automatically select a profile from the list of profiles and use it to connect to the network To add a new profile into the Auto Selected Profiles list please follow these steps 1 On the Profile Management screen shown in Figure 3 2 click Order Profiles 2 The Auto Profiles Selection management window will appear shown in Figure 3 11 with a list of all created profiles in the Available Profiles 20 TL WN851N Wireless N PCI Adapter Auto Profile Selection Management Available Profiles NM ewProtile Auto Selected Profiles Default Remove Figure 3 11 3 Highlight the profiles to add to auto profile selection and click Add The profile will appear in the Auto Selected Profiles box 4 Highlight a profile in the Auto Selected Profiles box 5 Click Move Up or Move Down as appropriate c Note The first profile in the Auto Selected Profiles box has highest prioritv while the last profile has the lowest prioritv 6 Click OK 7 Check the Auto Select Profiles checkbox on the Profile Management tab shown in Figure 3 2 c Note When auto profile selection is enabled by checking Auto Select Profiles on the Profile Management tab the client adapter will scan for an available network The profile with the highest priority and the same SSID as one of the found networks will be used to connect to the network If the connection
27. s 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 It corresponds to the ESSID in the wireless Access Point and to the wireless network name See also Wireless Network Name and ESSID 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 To gain access to a WEP network you must know the key The key is a string of characters that you create When using WEP you must determine the level of encryption The type of encryption determines the key length 128 bit encryption requires a longer key than 64 bit encryption Keys are defined by entering in a string in HEX hexadecimal using characters 0 9 A F or ASCII American Standard Code for Information Interchange alphanumeric characters format ASCII format is provided so you can enter a string that is easier to remember The ASCII string is co
28. s to authenticate to an access point e Automatic causes the adapter to attempt authentication using shared but switches it to open authentication if shared fails e Open System enables an adapter to attempt authentication regardless of its WEP settings It will only associate with the access point if the WEP keys on both the adapter and the access point match e Shared kev only allows the adapter to associate with access points that have the same WEP key For infrastructure access point networks click Preferred APs to specify four access points at most to the client adapter that attempts to be associated to the access points The four access points have different priorities the frontal has the higher priority Preferred Access Points Specified Access Point MAL Addresses Figure 3 7 3 2 2 Remove a profile 1 Go to the Profile Management tab shown in Figure 3 2 2 Select the profile name in the Profiles List 3 Click Remove c Note The profile being used can t be removed 3 2 3 Switch another Profile 1 Goto the Profile Management screen shown in Figure 3 2 18 TL WN851N Wireless N PCI Adapter 2 Select the profile name required in the Profiles List 3 Click Activate 3 2 4 Exporta Profile From the Profile Management screen shown in Figure 3 2 highlight the profile to export Click Export the Export Profile window will then appear below Browse the directory to export the profile to Cli
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