Linksys WPC51AB User's Manual
Contents
1. 802 11a One of the IEEE standards for wireless networking hardware Products that adhere to a specific IEEE standard will work with each other even if they are manufactured by different companies It specifies a maximum data transfer rate of 54Mbps and an operating frequency of 5GH z The 802 1 1a standard uses the Orthogonal Frequency Division Multiplexing OFDM trans mission method Additionally the 802 11a standard supports 802 11 features such as WEP encryption for security 802 11b One of the IEEE standards for wireless networking hardware Products that adhere to a specific IEEE standard will work with each other even if they are manufactured by different companies The 802 11b standard specifies a maximum data transfer rate of 1 1Mbps an operating frequency of 2 4GHz and WEP encryption for security 802 11b networks are also referred to as Wi Fi networks 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 CTS Clear To Send An RS 232 signal sent from the receiving station to the transmitting station that indicates it is ready to accept data Default G2. Duail Band Wireless Avi Nolebook Adapter WLAN Monilor vs 104 PE Network Setting E Obtain i IP address aromalicaly DHCP ane ha opi il pou eed khp D ees Es eee ol creer C Specity the IP address Tou oon mei gm en LP odds Lo Fe Cueto Hiren AA Riek Oe ee pee srs oP au Halaia Wiggs ened Cerin Goes CRETE on poor ceo eee cert Figure 7 13 29 Instant Wreless Series Dual Band Wreless A B Notebook Adapter 5 The Network Setting Specify IP address screen will appear Enter an IP 6 If you are configuring the Adapter for a 2 4GHz 802 1 1b network then go Address Subnet Mask Default Gateway and DNS appropriate for your network Enter each address in this format xxx xxx xxx xxx the x s repre sent the numbers that make up each address You must specify the IP Address and Subnet Mask on this screen If you are unsure about the Default Gateway and DNS addresses then leave these fields alone Click the Next button to continue or the Back button to return to the previ ous screen IP Address This IP Address must be unique to your network Subnet Mask The Adapter s Subnet Mask must be the same as your wired network s Subnet Mask Default Gateway Enter the IP address of your network s Gateway here DNS Enter the DNS addresses of your Ethernet wired network here LA Linksys eee Dual Band Wireless A B Hotebook Adapter WLAN Monilor x 102 Network Setting Specify LP address 1a 16a g p E
3. LI LUONKEYES asie r s La e em amh mi Lee ee Lek es eee Dom ee as re a MP Ci h pa oe ee ee ey ee ed eee er EEE meee Bo eee ee Ped ee ee bo eee eee ore mu le Bami Tigra eee raai ee ae Charl WEP WEF Lis ok bed HAZ CG Ce CR LE Sa Ba s 1 700 AM nn if Le is Figure 7 5 SSID The SSID or unique name of the wireless network Band The type of wireless network A represents 802 1 1a 5GHZ and B represents 802 11b 2 4GHz Signal The percentage of signal strength from 0 to 100 Site Information Wireless Mode The mode of the wireless network currently in use Channel The channel to which the wireless network devices are set WEP The status of the WEP encryption security feature MAC The MAC address of the wireless network s access point Surveyed at The time at which the wireless network was scanned Refresh Click the Refresh button to perform a new search for wireless devices Dual Band Wraless A B Notebook Adapter Connect To connect to one of the networks on the list select the wireless net work and click the Connect button If the wireless network has WEP encryp tion enabled you will see the screen shown in Figure 7 6 Wird Equivalent Privacy AEP is an encryption method used to secure your wireless network A higher level of encryption is more secure To use WEF you must use the same WEP Key or Passphrase thal your wireless network uses If your wirGless
4. Network PC Card WLAN Monitor ver 10 Link Information More information The curent inks between your Dual Band Wingless Network P Carda 4P Router and iniemet l ee Copyright G 200 Linksys A 15 Instant Wreless Series Link Information The Link Information screen displays signal strength and link quality informa tion about the current connection and provides a button to click for additional status information Lunes _ Gual Baod Wiraleas A 8 Hotabook Adasser WLAN MOT im Mi daH el Eeh rhs Dak bhia de PeR Se ri EF minik mel Fe bel Figure 7 3 Ad Hoc Mode or Infrastructure Mode The screen indicates whether the Adapter is currently working in ad hoc or infrastructure mode Signal Strength The Signal Strength bar indicates signal strength from 0 to 100 Link Quality The Link Quality bar indicates the quality of the wireless net work connection from 0 to 100 Click the More Information button to view more information about the wire less network connection Click the X Close button in the upper right corner to exit the WLAN Monitor Dual Band Wraless A B Notebook Adapter F Eg LINKSYS deu Wireless Sanas Dual Band Wireless A B Notebook Adapter WLAN Monitor ver 1 05 Link Information Back TCP IP Setting Wirekss Network Satus Sais IP Addresa 192 148 9 55 Subret Mask 2552552550 Dataut Gateway 192 188 9 1 DHCP able 54 0 Mbps DNS 00 0 0 36
5. Notice This Class B digital apparatus complies with Canadian ICES 003 and RSS 210 Cet appareil num rique de la classe B est conforme a la norme NMB 003 et CNR 210 du Canada To prevent radio interference to the licensed service this device is intended to be oper ated indoors and away from windows to provide maximum shielding Equipment or its transmit antenna that is installed outdoors is subject to licensing Pour emp cher que cet appareil cause du brouillage au service faisant l objet d une licence il doit tre utilis a l int rieur et devrait tre place loin des fen tres afin de fournir un cran de blindage maximal Si le mat riel ou son antenne d mission est install a l ext rieur il doit faire l objet d une licence EC DECLARATION OF CONFORMITY EUROPE Linksys Group declares that the Instant Wireless Series products included in the Instant Wireless Series conform to the specifications listed below following the provisions of the European R amp TTE directive 1999 5 EC EMC directive 89 336 EEC and Low Voltage directive 73 23 EEC For 11Mpbs 2 4 GHz devices with 100 mW radios the following standards were applied e ETS 300 826 301 489 1 General EMC requirements for Radio equipment e EN 609 50 Safety e ETS 300 328 2 Technical requirements for Radio equipment For 54 Mpbs 5 GHz devices with 40 mW radios the following standards were applied e ETS 301 489 1 301 489 17 General EMC requirements for Radi
6. n twork uses passphiase enter the same passphrase here Note that the passphrase is case sensitive and should not be longer than 16 alphanumenc characters lf your wireless network uses a WEP key enter the same WEP key here Figure 7 6 In the WEP drop down box select the type of WEP encryption used by the wireless network 64 bit 128 bit or 152 bit WEP If the wireless network uses a passphrase enter the passphrase in the Passphrase field If the wireless network uses a WEP key enter the WEP key in the Key 1 field Click the OK button to complete the network connection and return to the Site Survey screen or click the Cancel button to cancel the network connection and return to the Site Survey screen On the Site Survey screen click the X Close button in the upper right corner to exit the WLAN Monitor 19 Instant Wreless Series 20 The Profiles screen lets you save different configuration profiles for different network setups You can also import or export profiles The default profile holds the initial configuration saved when you ran the Setup Wizard a p a N r Dul Eamd Tmiss Hewert PE Can WLAN CETTE a LA UNKEYS CLS mmi ma ahi eo a r ere E D DEN p p ma H E EE E ee H r a ee ee on oc EC FE dr CT eo Figure 7 7 Profile Name of the connection profile SSID The wireless network s unique name as set in the connection profile Profile Information Network Type The mode of
7. the WLAN Monitor 21 Instant Wreless Series Creating a New Profile 1 On the Profiles screen click the New button to create a new profile Li LUINKESYS ar IS ets H Dual Band Wires Mabwors PC Cart WLAN Mec lic ds Seer WEF Tle es Fr Pree eee ee eee eee oe ee ee os SU a ed es Pe Du SES CN UT Peche De EE RE 22 Dual Band Wraless A B Notebook Adapter 2 The Choose a wireless mode screen shows a choice of two wireless modes Click the Infrastructure Mode radio button if you want your wireless computers to communicate with computers on your wired network via a wireless access point Click the Ad Hoc Mode radio button if you want multiple wireless computers to communicate directly with each other Click the Next button to continue or the Back button to return to the previous screen Infrastructure Mode This mode allows wireless and wired networks to communicate through an access point Ad Hoc Mode This mode allows wireless equipped computers to com municate directly with each other No access point is used a i ae i z a EI DE td 12 Mi LT Lirposves Cuat Cand Wireless i Notebook Adapter WEAN Motor w on Hil Choose a wireless mode x F infastructere Mode sem be m Boo Fari F Ad Hoc Mode ae mes obus amp FL Figure 7 11 Instant Wreless Series 3 The Basic Settings screen will appear Complete the Profile Name and SSID fields The default SSID settin
8. the wireless network currently in use Transfer Rate The data transfer rate of the current connection In Auto mode the Adapter dynamically shifts to the fastest data transfer rate possible at any given time Channel The channel to which the wireless network devices are set WEP The status of the WEP encryption security feature Connect To connect to a wireless network using a specific profile select the profile and click the Connect button Edit Select a profile and click the Edit button to change an existing profile New Click the New button to create a new profile See the next section Creating a New Profile for detailed instructions Dual Band Wraless A B Notebook Adapter Import Click the Import button to import a profile that has been saved in another location Select the appropriate file and click the Open button Look inc E My Documents a l fad File name xz 72 Files of type Figure 7 8 Export To save the profile s in a different location click the Export button Direct Windows to the appropriate folder and click the Save button S al a el File name central headquarters Save Save as type Figure 7 9 Note If you have more than one profile all profiles will be auto matically selected and exported to the same folder Delete Click the Delete button to delete a profile Click the X Close button in the upper right corner to exit
9. want your wireless computers to communicate with computers on your wired network R CA i i In the SSID field enter the SSID of your wireless network The SSID must KI LINKSYS Snina Mirun Saia be identical for all devices in the network The default setting is linksys all Dml ia ka A B Moule ficieplor Setup Wizard ig lowercase Click the Next button h AE z See ies er sn a oT 3E ale or us z Fera me a 1 Lits ves instal Mmes Series Qual Band VWirolass A B Notebook Adapter Setup Wizard ween on Wireless Mode 5 GHz HA GHz Fress mi PAGE p PCM k ER k eee ss a 2 oes zamm E aa Par ees afd sexe re PEUT DE ae EE L oa CR NIET Figure 4 2 Figure 4 3 Instant Wreless Series 4 If you chose Infrastructure Mode go to Step 5 now If you chose Ad Hoc Mode select the type of network your notebook will connect to 802 11a or 02 11b Click the Next button and go to Step 5 Click the Back button to change any settings R LA LINKSYS iasant Wireless S ries Dual Band Wireless A B Notebook Adapter Setup Wizard Veron 1 05 Ad Hoc Network Type S GHz 24 GHz Figure 4 4 5 The Setup Wizard will ask you to review your settings before it starts to copy files Click the Next button to save these settings or click the Back button to change any settings LA Linksys instant Wireless Series Dual Band Wireless A B Notebook Adapter Setup Wiza
10. 3 When Windows has finished installing the driver click the Finish button Found New Hardware Wizard Completing the Found New Hardware Wizard The weard has fintzhed installing the solbvare for ag Instant Wireless Dual Bend Nehwok Adapter Click Finish bo close tee wrand Figure 6 3 You have now completed the driver installation for the Adapter To configure the Adapter proceed to the next section Windows XP Wireless Zero Configuration 12 Dual Band Wraless A B Notebook Adapter Windows XP Wireless Zero Configuration For Windows XP users Windows XP has a built in configuration tool Use Windows XP Wireless Zero Configuration in the system tray at the bottom of your screen to configure the Adapter 1 After installing the Adapter the St teh ake eke Cee Windows XP _ Wireless Zero amp tear muen nr less satenie me avaiable Configuration icon will appear in J 55520 tex of masisi retorts cick hess your computer s system tray see Figure 6 4 Double click the icon 2 The screen that appears will show any available wireless Hieke Hrein hk Connection 4 The bles ete a me al To oar amp network Select the network WE ES firmes you want A Re waraka pasos If this network has WEP ibn encryption enabled go to step 3 If this network does not have WEP encryption enabled then the screen in Figure 6 5 will appear Check the box next to Allow me to connect to the select ed wireless netw
11. 5 5 GHz 4 GHz BTE Congratulations The installation of the Dual Band wireless 445 Notebook Adapter ic complete Figure 4 7 Proceed to Chapter 5 Hardware Installation With the Adapter s Instant Wreless Series Chapter 5 Hardware Installation Important for Windows 98 Me and 2000 users You must run the Setup Wizard to install the software before installing the hardware Important for Windows XP users You must install the ee ue S hardware before installing the software 1 Turn off your notebook PC Locate an available PCMCIA slot on your notebook PC label facing up as shown in Figure 5 1 slide the Adapter completely into the PCMCIA slot Restart your notebook PC Figure 5 1 You may see several screens appear as the driver installation is finalized For Windows 2000 you may be informed that a digital signature has not been found This is normal and it has been verified that the Adapter does work with Windows 2000 Click the Yes button to continue Windows will begin copying the driver files to your computer If Windows asks you for the original Windows CD ROM insert the CD ROM and direct Windows to its proper location e g D If your PC is using Windows 98 Me or 2000 proceed to the next section Chapter 7 Using the WLAN Monitor for Windows 98 Me and 2000 If your PC is using Windows XP proceed to Chapter 6 Driver Installation and Confi
12. 5 180 GHz WEP Di led Eib 00 05 25 08 E5 20 Signal Strength j Link Quality 4 j WPCSIAB is Active Copyright 2007 Linksys Al rights revered Figure 7 4 TCP IP Setting IP Address The IP Address of the Adapter Subnet Mask The Subnet Mask of the Adapter Default Gateway The Default Gateway address of the Adapter DHCP The status of the DHCP client DNS The DNS address of the Adapter Wireless Network Status State The status of the wireless network connection SSID The unique name of the wireless network Wireless Mode The mode of the wireless network currently in use Transfer Rate The data transfer rate of the current connection Channel The channel to which the wireless network devices are set WEP The status of the WEP encryption security feature MAC The MAC address of the wireless network s access point Signal Strength The Signal Strength bar indicates signal strength from 0 to 100 Link Quality The Link Quality bar indicates the quality of the wireless net work connection from 0 to 100 Click the Back button to return to the initial Link Information screen Click the X Close button in the upper right corner to exit the WLAN Monitor 17 Instant Wreless Series 18 The Site Survey screen displays a list of infrastructure and ad hoc networks available for connection R imini rem Eeri Dusl fand Wirdless 440 Notebook Adapter WLAN XioniloT wa um
13. CANADA SHALL BE HELD RESPONSIBLE FOR SHIPPING AND HANDLING CHARGES PLEASE CALL LINKSYS FOR MORE DETAILS Dual Band Wraless A B Notebook Adapter Appendix E Contact Information For help with the installation or operation of the Dual Band Wireless A B Notebook Adapter contact Linksys Technical Support at one of the phone num bers or Internet addresses below 800 546 5797 LINKSYS 800 326 7114 Sales Information Technical Support RMA Issues 949 271 5461 Fax 949 265 6655 E mail support linksys com Web http www linksys com FTP Site ftp linksys com 43 IN http www linksys c om Copyright 2002 Linksys All Rights Reserved
14. Instant Wireless Series Dual Band Wireless AtB Notebook Adapter Use this guide to install WPG1AB LULINKSVS COPYRIGHT amp TRADEMARKS Specifications are subject to change without notice Copyright 2002 Linksys All Rights Reserved Instant Wireless Linksys and the Linksys logo are registered trademarks of Linksys Group Inc Microsoft Windows and the Windows logo are registered trade marks of Microsoft Corporation All other trademarks and brand names are the proper ty of their respective proprietors LIMITED WARRANTY Linksys guarantees that every Instant Wireless Dual Band Wireless A B Notebook Adapter will be free from physical defects in material and workmanship for one year from the date of purchase when used within the limits set forth in the Specifications section of this User Guide If the product proves defective during this warranty period call Linksys Technical Support in order to obtain a Return Authorization number BE SURE TO HAVE YOUR PROOF OF PURCHASE ON HAND WHEN CALLING When returning a product mark the Return Authorization number clearly on the outside of the package and include a copy of your original proof of purchase RETURN REQUESTS CANNOT BE PROCESSED WITHOUT PROOF OF PURCHASE All customers located outside of the United States of America and Canada shall be held responsible for shipping and han dling charges IN NO EVENT SHALL LINKSYS S LIABILITY EXCEED THE PRICE PAID FOR THE PROD UCT FR
15. OM DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAM AGES RESULTING FROM THE USE OF THE PRODUCT ITS ACCOMPANYING SOFT WARE OR ITS DOCUMENTATION LINKSYS OFFERS NO REFUNDS FOR ITS PROD UCTS Linksys makes no warranty or representation expressed implied or statutory with respect to its products or the contents or use of this documentation and all accom panying software and specifically disclaims its quality performance merchantability or fitness for any particular purpose Linksys reserves the right to revise or update its prod ucts software or documentation without obligation to notify any individual or entity Please direct all inquiries to Linksys PO Box 18558 Irvine CA 92623 SAFETY AND REGULATORY NOTICES FCC STATEMENT The Instant Wireless Dual Band Wireless A B Notebook Adapter has been tested and found to comply with the specifications for a Class B digital device pursuant to Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio fre quency energy and if not installed and used according to the instructions may cause harmful interference to radio c
16. and run the included Setup Wizard which will walk you through the configuration To keep your commu nications secure the PC Card supports up to 152 bit data encryption 802 11b wireless networks are commonly found in corporate environments and are used in homes for household Internet connectivity without the need for run ning cables They re also popping up all over the country in coffee shops air ports hotels convention centers and other public spaces offering on the go connectivity to mobile users The 802 1 1a standard is almost five times faster than 802 11b and operates in the less crowded 5GHz radio band but it s not as common yvet It is quickly being deployed wherever higher speed connectivi ty is desired Join the wireless revolution With the Linksys Dual Band Wireless Notebook Adapter you ll be ready to connect to either type of wireless network wherev er you go now and in the future e Connects to Either 802 11b 2 4GHz or 802 1 1a SGHz Networks without Changing Adapters e Up to 152 bit WEP Encryption e Easy to use Setup Wizard e Detailed Monitoring and Performance Utility e 802 11b and 802 11a Compliant e Free Technical Support 24 Hours a Day 7 Days a Week Toll Free US Calls e 1 Year Limited Warranty Instant Wreless Series Chapter 2 Planning Your Wireless Network A wireless local area network WLAN is exactly like a regular local area net work LAN except that each computer
17. ardware Installation Setup Wizard to install the software before installing the hardware 7 Important for Windows 98 Me and 2000 users You must run the Insert the Setup Wizard CD ROM into your CD ROM drive The Setup Wizard should run automatically and Figure 4 1 should appear If 1t does not click the Start button and choose Run In the field that appears enter D setup exe if D is the letter of your CD ROM drive tad Ly Linksys instant Wireless Series Dual Band Wireless A B Notebook Adapter Setup Wizard vernon 1 05 S GHz 2 4GHz Welcome Welton to the Setup Wizard for the Dushani Wireless A B Notebook Acted er To function propery bis instellafon shouldbe mn bame p raca ineialiing the After Ta cities press ihe Had butan Instant Wreless Series Dual Band Wreless A B Notebook Adapter Setup Wizard Instructions for Windows 98 Me and 2000 3 The Setup Wizard will ask you to choose a wireless mode Click the Infrastructure Mode radio button if you want your wireless computers to 1 To install the Adapter click the Next button on the Welcome screen network with computers on your wired network using a wireless access point Click the Ad Hoc Mode radio button if you want multiple wireless 2 After reading the License Agreement click the Next button if you agree or computers to network directly with each other Do not use the Ad Hoc mode click the Cancel button to end the installation if you
18. ateway The router used to forward all traffic that is not addressed to a station within the local subnet DHCP Dynamic Host Configuration Protocol A protocol that lets network administrators manage centrally and automate the assignment of Internet Protocol IP addresses in an organization s network Using the Internet s set of protocol TCP IP each machine that can connect to the Internet needs a unique IP address When an organization sets up its computer users with a con nection to the Internet an IP address must be assigned to each machine Without DHCP the IP address must be entered manually at each computer and if computers move to another location in another part of the network a new IP address must be entered DHCP lets a network administrator supervise and dis tribute IP addresses from a central point and automatically sends a new IP address when a computer is plugged into a different place in the network 35 36 Instant Wreless Series DHCP uses the concept of a lease or amount of time that a given IP address will be valid for a computer The lease time can vary depending on how long a user 1s likely to require the Internet connection at a particular location It s espe cially useful in education and other environments where users change fre quently Using very short leases DHCP can dynamically reconfigure networks in which there are more computers than there are available IP addresses DHCP supports st
19. atic addresses for computers containing Web servers that need a permanent IP address DNS The domain name system DNS is the way that Internet domain name are located and translated into Internet Protocol IP addresses A domain name is a meaningful and easy to remember handle for an Internet address DSSS Direct Sequence Spread Spectrum DSSS generates a redundant bit pattern for all transmitted data 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 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 1 e another wireless LAN end point the DSSS signal is recognized as the only valid signal and interference is inherently rejected ignored Dynamic IP Address An IP address that is automatically assigned to a client station in a TCP IP network typically by a DHCP server Network devices that serve multiple users such as servers and printers are usually assigned static IP addresses ESS Extended Service Set A set of more than two or more BSSs multiple access points forming a single network Firmware Code that is written onto read only memory ROM or program mable read only memory PROM Once firmware has been written onto th
20. cal scenario would be a location with multiple access points where users can physically relocate from one area to another and easily maintain connectivity SSID Service Set Identifier An identification name that wireless devices use to make connections In order for wireless devices to communicate they must all be set to the same channel and they all must use the same SSID For instance if you are using an access point to connect two computers using wire less devices the access point and each of the wireless devices must use the same SSID Even if they are set to the same channel they cannot communicate unless the SSID is the same Static IP Address A permanent IP address that is assigned to a node in a TCP IP network Dual Band Wraless A B Notebook Adapter Subnet Mask The method used for splitting IP networks into a series of sub groups or subnets The mask is a binary pattern that is matched up with the IP address to turn part of the host ID address field into a field for subnets TCP Transmission Control Protocol A method protocol used along with the IP Internet Protocol to send data in the form of message units datagram between network devices over a LAN or WAN While IP takes care of handling the actual delivery of the data routing TCP takes care of keeping track of the individual units of data called packets that a message is divided into for effi cient delivery over the network TCP is known as a connectio
21. e ROM or PROM it is retained even when the device is turned off IEEE The Institute of Electrical and Electronics Engineers The EEE describes itself as the world s largest technical professional society promot ing the development and application of electrotechnology and allied sciences for the benefit of humanity the advancement of the profession and the well being of our members Dual Band Wraless A B Notebook Adapter The IEEE fosters the development of standards that often become national and international standards The organization publishes a number of journals has many local chapters and several large societies in special areas such as the IEEE Computer Society 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 infra structure 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 IP Address In the most widely installed level of the Internet Protocol IP today an IP address is a 32 binary digit number that identifies eac
22. eless A B Notebook Adapter Read the descriptions below to solve your problems If you can t find an answer here check the Linksys website at www linksys com 1 My computer does not recognize the Adapter e Make sure the Adapter is properly inserted into the PCMCIA slot Note that the Adapter can be inserted either way but is correctly only when it is insert ed so that the Instant Wireless logo on the front of the Adapter cannot be seen If in doubt try inserting the Adapter both ways The Adapter will slide in further when it is correct 2 The Adapter does not work properly e Reinsert the Adapter into your notebook s PCMCIA slot A beep should be heard if the Adapter is properly inserted e For non Windows environments make sure that a PCMCIA card service driver is installed on your PC e Open the Control Panel and click the PC Card Check whether it has a PCMCIA card in one of the sockets or not If you find the Adapter in one of the sockets it means that the Adapter has been detected properly If you see a yellow question mark the resources are in conflict Right click My Computer and select Properties Select Device Manager and click the Network Adapter You will find the Dual Band Wireless A B Notebook Adapter if it is installed successfully If you see the yellow excla mation mark the resources are in conflict Click PCMCIA card and then click PCMCIA card service You will see the status of the Adapter If there is a ye
23. equency Hopping Spread Spectrum FHSS uses a narrowband carrier that changes frequency in a pattern that is known to both transmitter and receiver Properly synchronized the net effect is to maintain a single logical channel To an unintended receiver FHSS appears to be short duration impulse noise Direct Sequence Spread Spectrum DSSS generates a redundant bit pattern for each bit to be transmitted This bit pattern is called a chip or chipping code The longer the chip the greater the probability that the original data can be recovered Even if one or more bits in the chip are damaged during trans mission statistical techniques embedded in the radio 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 nar rowband receivers 33 34 Instant Wreless Series Would the information be intercepted while transmitting on air WLAN features two fold protection in security On the hardware side as with Direct Sequence Spread Spectrum technology it has the inherent security fea ture of scrambling On the software side WLAN offers the encryption function WEP to enhance security and access control What is WEP WEP is Wired Equivalent Privacy a data privacy mechanism based on a 64 bit or 128 bit shared key algorithm as described in the IEEE 802 11 standard Dual Band Wrreless A B Notebook Adapter Appendix B Gossary
24. est conforme aux conditions essentielles et aux dispositions relatives la directive 1999 5 EC la directive 89 336 EEC et la directive 73 23 EEC Belgique B L utilisation en ext rieur est autoris sur le canal 11 2462 MHz 12 2467 MHz et 13 2472 MHz Dans le cas d une utilisation priv e l ext rieur d un bati ment au dessus d un espace public aucun enregistrement n est n cessaire pour une distance de moins de 300m Pour une distance sup rieure 300m un enreg istrement aupr s de l IBPT est requise Pour une utilisation publique l ext rieur de b timents une licence de l IBPT est requise Pour les enregistrements et licences veuillez contacter l IBPT France F 2 4 GHz Bande les canaux 10 11 12 13 2457 2462 2467 et 2472 MHz respec tivement sont compl tement libres d utilisation en France en utilisation int rieur Pour ce qui est des autres canaux ils peuvent tre soumis autorisation selon le d partment L utilisation en ext rieur est soumis autorisation pr alable et tres restreint 5 GHz Bande Conform ment aux d cisions de la CEPT l utilisation des fr quences de la bande 5150 MHz 5350 MHz est autoris e l int rieur des b timents avec une puissance maximale de 200 mW et interdite en ext rieur La bande 5470 MHz 5725 MHz n est pas ouverte aujourd hui Vous pouvez contacter l Autorit de R gulation des T l communications http www art telecom fr pour de plus amples rensei
25. ether it should seek a new one When a node no longer receives acknowledgment from its original access point it undertakes a new search Upon finding a new access point it then re registers and the communication process continues What is ISM band The FCC and their counterparts outside of the U S have set aside bandwidth for unlicensed use in the ISM Industrial Scientific and Medical band Spectrum in the vicinity of 2 4 GHz in particular is being made available worldwide This presents a truly revolutionary opportunity to place convenient high speed wireless capabilities in the hands of users around the globe What is Spread Spectrum Spread Spectrum technology is a wideband radio frequency technique devel oped by the military for use in reliable secure mission critical communica tions 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 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 What is DSSS What is FHSS And what are their differences Fr
26. g 1s linksys all lowercase Then select the appropriate setting from the Network Type drop down box Click the Next button to continue or the Back button to return to the previous screen Profile Name Give this new profile a name SSID The SSID is the unique name shared by all devices in a wireless net work The SSID must be identical for all devices in the wireless network It is case sensitive and must not exceed 32 characters use any of the charac ters on the keyboard Make sure this setting is the same for all devices in your wireless network Network Type For infrastructure networks the Network Type is set to Auto and cannot be changed For ad hoc networks choose the appropriate setting 02 11a SGHz or 802 11b 2 4GHz LA LINKSYS Dual Bami Wireless A H Motebook Adapter WLAN Monil r ver ii Feaci Big tia kar ROLE H water PIE 11b tor Er Dual Band WMreless A B Notebook Adapter 4 The Network Setting screen will appear If your network has a DHCP server click the radio button next to Obtain an IP address automatically DHCP Click the Next button to continue or click the Back button to return to the previous screen Then go to Step 6 If your network does not have a DHCP server click the radio button next to Specify the IP address Click the Next button to continue or click the Back button to return to the previous screen Then go to Step 5 a H LT ONKS YS esiani Mirniees Faries
27. gnements 2 4 GHz Band only channels 10 11 12 13 2457 2462 2467 and 2472 MHz respectively may be used freely in France for indoor use License required for out door installations 5 GHz Band frequencies in the 5150 MHz 5350 MHz band may be used indoor with maximum power of 200 mW Their use is forbidden outdoors The 5470 MHz 5725 MHz band is not currently open Please contact ART http www art telecom fr for procedure to follow Deutschland D Anmeldung im Outdoor Bereich notwending aber nicht genehmi gungspflichtig Bitte mit Handler die Vorgehensweise abstimmen Germany D License required for outdoor installations Check with reseller for proce dure to follow ltalia E necessaria la concessione ministeriale anche per l uso interno Verificare con i rivenditori la procedura da seguire L uso per installazione in esterni non e per messa ltaly License required for indoor use Use with outdoor installations not allowed The Netherlands NL License required for outdoor installations Check with reseller for procedure to follow Nederlands NL Licentie verplicht voor gebruik met buitenantennes Neem contact op met verkoper voor juiste procedure UG WPOSIAB 112202B J L Table of Contents Chapter 1 Introduction The Dual Band Wireless A B Notebook Adapter Features Chapter 2 Planning Your Wireless Network Network Topology Ad Hoc versus Infrastructure Mode Chapter 3 Getting to Know the Dual Band Wireles
28. guration for Windows XP Dual Band Wreless A B Notebook Adapter Chapter 6 Driver Installation and Configuration for Vundows XP Overview E After inserting the Adapter into your notebook you will install the driver and configure the Adapter Driver Installation for Windows XP 1 Windows XP will automatically detect the Adapter Insert the Setup CD ROM into the CD ROM drive Click the radio button next to Install the soft ware automatically Recommended Then click the Next button omad Mew Har ther Wlierd weloome bo fhe Found Maw Hardware Wizard lha ecran hier vou ral serge be Ecrit stems Coe Bare Hank dd api Sa F giim hander Ce alt ie late C1 a Bopp hab trical i Paire katik di ss eee et eed bs ie ONCE RER en Di ed eee ee grec loc gen etre ect Mes ky contre Hea Carma Figure 6 1 11 Instant Wreless Series 2 Windows will notify you that the driver has not passed Windows Logo test ing This is normal and it has been verified that the Adapter does work with Windows XP Click the Continue Anyway button Marites Irelallasian A ha cira pou ae hadi foe hot hadaa pagni eke Dial Ege Hebel diapos hat rat parsed Veter Loge bering le veep ib corps th eds OP Te eee eee Meg ee 4 eee Lens pour malle of Gar collec oe CNET i desis ihe Oe Een al pa ale tibe oma cy ce on e blue ices choir rosat the hardware vendor de oftware thal haa baad ordre e ie Dore Figure 6 2
29. h sender or receiver of information that is sent in packet across the Internet When you request an HTML page or send e mail the Internet Protocol part of TCP IP includes your IP address in the message actually in each of the packets 1f more than one is required and sends it to the IP address that is obtained by looking up the domain name in the Uniform Resource Locator you requested or in the e mail address you re sending a note to At the other end the recipient can see the IP address of the Web page requester or the e mail sender and can respond by sending another message using the IP address it received IPCONFIG A utility that provides for querying defining and managing IP addresses within a network A commonly used utility under Windows NT and 2000 for configuring networks with static IP addresses ISP An ISP Internet service provider is a company that provides individuals and companies access to the Internet and other related services such as Web site building and virtual hosting LAN A local area network LAN is a group of computers and associated devices that share a common communications line and typically share the resources of a single processor or server within a small geographic area for example within an office building MAC Address The MAC Media Access Control address is your computer s unique hardware number 37 38 Instant Wreless Series mIRC mIRC runs under Windows and provides a graphica
30. in the WLAN uses a wireless device to connect to the network Computers in a WLAN share the same frequency channel and SSID which is an identification name for wireless devices Ad Hoc versus Infrastructure Mode Unlike wired networks wireless networks have two different modes in which they may be set up infrastructure and ad hoc An infrastructure configura tion is a WLAN and wired LAN communicating to each other through an access point An ad hoc configuration is wireless equipped computers com municating directly with each other Choosing between these two modes depends on whether or not the wireless network needs to share data or periph erals with a wired network or not If the computers on the wireless network need to be accessed by a wired network or need to share a peripheral such as a print er with the wired network computers the wireless network should be set up in infrastructure mode See Figure 2 1 The basis of infrastructure mode centers around an access point which serves Figure 2 1 as the main point of communications in a wireless network Access points transmit data to PCs equipped with wireless network cards which can roam within a certain radial range of the access point Multiple access points can be arranged to work in succession to extend the roaming range and can be set up to communicate with your Ethernet wired hardware as well Dual Band Wraless A B Notebook Adapter If the wireless network is
31. l interface for log ging onto IRC servers and listing joining and leaving channels Network Mask also known as the Subnet Mask OFDM Developed for wireless applications Orthogonal Frequency Division Multiplexing OFDM technology offers superior performance increased data rates and more reliable transmissions than previous technologies such as DSSS OFDM is a scheme in which numerous signals of different frequencies are combined to form a single signal for transmission on the medium OFDM works by breaking one high speed data stream into a number of lower speed data streams which are then transmitted in parallel Each lower speed stream is used to modulate a subcarrier Essentially this creates a multi carrier transmission by dividing a wide frequency band or channel into a number of narrower frequency bands or sub channels OFDM is also used for other appli cations including powerline networking Plug and Play The ability of a computer system to configure expansion boards and other devices automatically without requiring the user to turn off the system during installation Roaming In an infrastructure mode wireless network this refers to the abili ty to move out of one access point s range and into another and transparently reassociate and reauthenticate to the new access point This reassociation and reauthentication should occur without user intervention and ideally without interruption to network connectivity A typi
32. llow question mark please check the following e Make sure that your notebook has a free IRQ e Make sure that you have inserted the right Adapter and installed the prop er driver If the Adapter does not function after attempting the above steps remove the Adapter and do the following e Uninstall the driver software from your PC e Restart your PC and repeat the hardware and software installation as spec ified in this User Guide Dual Band Wraless A B Notebook Adapter 3 cannot contrunicate with a wired computer linked via an access point in the Infrastructure configuration e Make sure that the notebook PC is powered on e Make sure that the Adapter is configured with the same SSID and security options as the other computers in the infrastructure configuration Frequently Asked Questions Can I run an application from a remote con puter over the wireless network This will depend on whether or not the application is designed to be used over a network Consult the application s user guide to determine if it supports oper ation over a network Can play computer games with other members of the wireless network Yes as long as the game supports multiple players over a LAN local area net work Refer to the game s user guide for more information What is the IEEE 802 11a standard It is one of the IEEE standards for wireless networks The 802 11a standard allows wireless networking hardware from different manufacturers to co
33. mmu nicate provided that the hardware complies with the 802 11a standard The 802 1 la standard states a maximum data transfer rate of 54Mbps and an oper ating frequency of 5GH Z What is the IEEE 802 11b standard It is one of the IEEE standards for wireless networks The 802 11b standard allows wireless networking hardware from different manufacturers to commu nicate provided that the hardware complies with the 802 11b standard The 802 11b standard states a maximum data transfer rate of 11 Mbps and an oper ating frequency of 2 4GHz What IEEE 802 11a features are supported The product supports the following IEEE 802 1 1a functions e OFDM protocol e Multi Channel Roaming e Automatic Rate Selection e RTIS CTS feature e Fragmentation 31 32 Instant Wreless Series What IEEE 802 11b features are supported The product supports the following IEEE 802 11b functions e CSMA CA plus Acknowledge protocol e Multi Channel Roaming e Automatic Rate Selection e RTIS CTS feature e Fragmentation e Power Management What is ad hoc mode When a wireless network is set to ad hoc mode the wireless equipped com puters are configured to communicate directly with each other The ad hoc wireless network will not communicate with any wired network What is infrastructure mode When a wireless network is set to infrastructure mode the wireless network is configured to communicate with a wired network through a wireless acces
34. n oriented pro tocol due to requiring the receiver of a packet to return an acknowledgment of receipt to the sender of the packet resulting in transmission control TCP IP Transmission Control Protocol Internet Protocol The basic com munication language or set of protocols for communications over a network developed specifically for the Internet TCP IP defines a suite or group of protocols and not only TCP and IP UDP User Datagram Protocol A method protocol used along with the IP Internet Protocol to send data in the form of message units datagram between network devices over a LAN or WAN While IP takes care of handling the actual delivery of the data routing UDP takes care of keeping track of the individual units of data called packets that a message is divided into for effi cient delivery over the network UDP is known as a connection less protocol due to NOT requiring the receiver of a packet to return an acknowledgment of receipt to the sender of the packet as opposed to TCP WEP Wired Equivalent Privacy A data privacy mechanism based on a 64 bit shared key algorithm as described in the IEEE 802 11b standard WINIPCFG Configuration utility based on the Win32 API for querying defining and managing IP addresses within a network A commonly used util ity under Windows 95 98 and Me WLAN Wireless Local Area Network A group of computers and associat ed devices that communicate with each othe
35. nsist of exact ly 10 hexadecimal characters If you are using 128 bit WEP encryption then the key must consist of exactly 26 hexadecimal characters Valid hexa decimal characters are 0 to 9 and A to F amp Fa un Wireless Serias Dual Band Wireless A B Notebook Adapter WLAN Monitor ver 1 05 Ly Luinixsys WY Security Settings Optional Enter your WEP settings in the fields below These settings must be identical for all wireless devices on your network 217 28 Instant Wreless Series 8 The Security Settings screen will appear Set the Wired Equivalent Privacy WEP encryption for your wireless network by selecting a WEP configu ration method recommended to increase network security If you enable WEP encryption enter a WEP key in the Key field Click the Next but ton to continue or the Back button to return to the previous screen WEP Disabled 64 bit WEP 128 bit WEP 152 bit WEP If you do not want to use WEP encryption choose Disabled To use WEP encryption select 64 bit 128 bit WEP or 152 bit WEP from the drop down menu Then enter the WEP key of your wireless network in the Key 1 field Key 1 This WEP key must match the WEP key of your wireless network If you are using 64 bit WEP encryption then the key must consist of exact ly 10 hexadecimal characters in length If you are using 128 bit WEP encryption then the key must consist of exactly 26 hexadecimal charac
36. nter an OP acide pprepara bor pour more i Tha P aires eed le rege edb poe rai peek W trea eS 5 25 Oo Eaux T ea prar F rebah parh P 3 ike Te Cul Falp DE LU quai i 4 i F T Che ml ray mE 151 1 1 chia iiaii Fone di mt ee Pn y ahh Figure 7 14 to Step 7 If you are configuring the Adapter for a 2 4GHz 802 11b net work then go to Step 8 The Security Settings screen will appear Enable or disable Wired Equivalent Privacy WEP encryption for your wireless network If you enable WEP enter a Passphrase or WEP key Click the Next button to con tinue or the Back button to return to the previous screen WEP Disabled 64 bit WEP 128 bit WEP If you do not want to use WEP encryption choose Disabled To use WEP encryption recommended to increase network security select 64 bit or 128 bit WEP from the drop down menu and enter either a Passphrase or WEP key Passphrase Instead of manually entering WEP keys you can enter a Passphrase so a WEP key is automatically generated It is case sensitive and should not be longer than 16 alphanumeric characters This passphrase must match the passphrase of your wireless network and is compatible with Linksys wireless products only If you have any non Linksys wireless prod ucts enter the WEP key s manually on those products Key 1 This WEP key must match the WEP key of your wireless network If you are using 64 bit WEP encryption then the key must co
37. o equipment e EN 609 50 Safety e ETS 301 893 Technical requirements for Radio equipment Caution The frequencies used by 802 11a wireless LAN devices are not yet harmonized within the European community 802 11a products are designed for use only in specific countries and are not allowed to be operated in countries other than those of designat ed use Contact local Authority for procedure to follow Caution This equipment is intended to be used in all EU and EFTA countries Outdoor use may be restricted to certain frequencies and or may require a license for operation Contact local Authority for procedure to follow Note Combinations of power levels and antennas resulting in a radiated power level of above 100 mW equivalent isotropic radiated power EIRP are considered as not com pliant with the above mentioned directive and are not allowed for use within the European community and countries that have adopted the European R amp TTE directive 1999 5 EC and or the CEPT recommendation Rec 70 03 For more details on legal combinations of power levels and antennas contact Linksys Corporate Compliance Linksys Group vakuuttaa taten etta Instant Wireless Dual Band A B Notebook Adapter tyyppinen laite on direktiivin 1999 5 EY direktiivin 89 336 EEC ja direktiivin 73 23 EEC oleellisten vaatimusten ja sit koskevien n iden direktiivien muiden ehto jen mukainen Linksys Group d clare que la Instant Wireless Dual Band A B Notebook Adapter
38. ommunications However there is no guarantee that inter ference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which is found 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 e Reorient or relocate the receiving antenna e Increase the separation between the equipment or devices e Connect the equipment to an outlet other than the receiver s e Consult a dealer or an experienced radio TV technician for assistance FCC Caution Any change or modification to the product not expressly approved by Linksys could void the user s authority to operate the device FCC Caution Operation within the 5150 to 5250GHz band is restricted to indoor use only FCC RF Radiation Exposure Statement To comply with the FCC and ANSI C95 1 RF exposure limits the antenna s for this device must comply with the following e Access points with 2 4 GHz or 5 GHz integrated antenna must operate with a sepa ration distance of at least 20 cm from all persons using the cable provided and must not be co located or operating in conjunction with any other antenna or transmitter End users must be provided with specific operations for satisfying RF exposure compli ance Note Dual antennas used for diversity operation are not considered co located Canadian Department of Communications Industry Canada IC
39. ork even though it is not secure Then click the Connect button and go to step 4 The ache aak amp ret pce Beaute r tro ba PAPE Plus rat ued bor renders or bor cils ancyphon data pent over thet nateork maght be mubpect ta i fear ES ating eae Hl pou aie having dfheully corrects lea mabawi chek Advanced Tomsa Care Figure 6 5 Note In Steps 2 and 3 these are the instructions and screenshots for Windows XP with Service Pack 1 installed If you have not installed Service Pack 1 select the network you want and click the Connect button If the network has WEP encryption enabled enter the WEP key in the Network key field and then click the Connect button 13 14 Instant Wreless Series 3 The screen in Figure 6 6 will appear Enter the WEP key of your wireless network in the Network key field and re enter it in the Confirm network key field Click the Connect button Note Wireless Zero Configuration does not support the use of a AN passphrase Enter the exact WEP key used by your access point Wireless Network Connection The follovang vaneless neiwork s are available To access a wireless network select it from the bet and then cick Connect Available wreless networks i lirikeys This wireless network requires the use of a network key WEP To access this network type tthe key then click Connect Network key lssssssssss Confirm network key lssssessessl L Enable IEEE 802 1x a
40. r wirelessly 39 40 Instant Wreless Series Appendix C Specifications Standards IEEE 802 11a EEE 802 11b Channels 802 11a 8 Channels USA 802 111b 11 Channels USA 13 Channels Europe 14 Channels J apan Transnit 16 dBm Receive Sensitivity 33 dBm typical Network Protocols TCP IP NetBEU IPX SPX LEDS 2 not labeled Dual Band Wraless A B Notebook Adapter Dimensions Unit Weight Certifications Operating Temp Storage Temp Operating Humidity Storage Humidity 4 4 x 2 13 x 0 4 110 nm x 54 mm x 10 nm 1 5 oz 0 043 kg FCC ass B Mark 32 to 140 O8C to 60 40 F to 1859F 40 C to 85 C 10 to 85 Non Condensing 5 to 90 Non Condensing 41 42 Instant Wreless Series Appendix D Warranty Information BE SURE TO HAVE YOUR PROOF OF PURCHASE AND A BARCODE FROM THE PRODUCT S PACKAGING ON HAND WHEN CALLING RETURN REQUESTS CANNOT BE PROCESSED WITHOUT PROOF OF PURCHASE IN NO EVENT SHALL LINKSYS LIABILITY EXCEED THE PRICE PAID FOR THE PRODUCT FROM DIRECT INDIRECT SPECIAL INCIDEN TAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE USE OF THE PRODUCT ITS ACCOMPANYING SOFTWARE OR ITS DOCU MENTATION LINKSYS DOES NOT OFFER REFUNDS FOR ANY PROD UCT LINKSYS OFFERS CROSS SHIPMENTS A FASTER PROCESS FOR PRO CESSING AND RECEIVING YOUR REPLACEMENT LINKSYS PAYS FOR UPS GROUND ONLY ALL CUSTOMERS LOCATED OUTSIDE OF THE UNITED STATES OF AMERICA AND
41. rd veses 1 05 Finalize Settings S GHZ 24GHz erase pant oe at f t Paar eer are completing the installation SR ea eet ee ar ee pe de aa ae yay ye E lick Back to change eny setlings or Next to complete your installation The configuration of the Dual Band Wireless Mabewonk PC Card will be Wireless Modes Infrastructure SSD nkass Dual Band Wraless A B Notebook Adapter 6 For Windows 2000 you may be informed that a digital signature has not been found see Figure 4 6 This is normal and it has been verified that the Adapter does work with Windows 2000 Click the Yes button to continue Digital Signature Not Found z x The Microsoft digital signature affirms that software has been tested vath Windows and that the softuare has not been altered since it was tested The software you are about to install does not contain a Microsoft digital signature Therefore there i no guarantee that this sofware works correctly wth Windows Instant Wireless Dual Band Hebwork Adapter If you want to search for Microsoft digitally signed software visit he Windows Update Web site at http windowsuodate microsoft com to see iF one is available Do you want bo continus the installabon Figure 4 6 7 After the files have been successfully copied the screen in Figure 4 7 will appear Click the Exit button a LO Linksys MT Series Dual Band Wireless A B Notebook Adaptor Setup Wizard veson 1 0
42. relatively small and needs to share resources only with the other computers on the wireless network then the ad hoc mode can be used See Figure 2 2 Ad hoc mode allows computers equipped with wire less transmitters and receivers to communicate directly with each other elimi nating the need for an access point The drawback of this mode is that in Ad Hoc mode wireless equipped computers are not able to communicate with computers on a wired network And of course communication between the wireless equipped computers is limited by the distance and interference direct ly between them Figure 2 2 Instant Wreless Series Chapter 3 Getting to Know the Dual Band Wireless A B Notebook Adapter Figure 3 1 Flash alternately Green The LEDs flash in alternate sequence one after another when the Adapter is searching for an access point or wireless router Flash in unison Green The LEDs flash in unison when the Adapter is connected to an access point or wireless router Dual Band Wreless A B Notebook Adapter Chapter 4 Software Installation and Configuration for Windows 98 Me and 2000 The Dual Band Wireless A B Notebook Adapter Setup Wizard will guide you through the installation procedure for Windows 98 Me and 2000 The Setup Wizard will install the WLAN Monitor and driver as well as configure the Adapter Important for Windows XP users Do NOT run the Setup Wizard Proceed directly to Chapter 5 H
43. s point What is roaming Roaming is the ability of a portable computer user to communicate continu ously while moving freely throughout an area greater than that covered by a sin gle access point Before using the roaming function the workstation must make sure that it is the same channel number with the access point of dedicated cov erage area To achieve true seamless connectivity the wireless LAN must incorporate a number of different functions Each node and access point for example must always acknowledge receipt of each message Each node must maintain contact with the wireless network even when not actually transmitting data Achieving these functions simultaneously requires a dynamic RF networking technology that links access points and nodes In such a system the user s end node under takes a search for the best possible access to the system First it evaluates such factors as signal strength and quality as well as the message load currently being carried by each access point and the distance of each access point to the wired backbone Based on that information the node next selects the right access point and registers its address Communications between end node and host computer can then be transmitted up and down the backbone Dual Band Wraless A B Notebook Adapter As the user moves on the end node s RF transmitter regularly checks the sys tem to determine whether it 1s in touch with the original access point or wh
44. s A B Notebook Adapter The Adapter s LEDs Chapter 4 Software Installation and Configuration for Windows 98 Me and 2000 Overview Setup Wizard Instructions for Windows 98 Me and 2000 Chapter 5 Hardware Installation Chapter 6 Driver Installation and Configuration for Windows XP Overview Driver Installation for Windows XP Windows XP Wireless Zero Configuration Chapter 7 Using the WLAN Monitor for Windows 98 Me and 2000 Overview Accessing the WLAN Monitor Link Information Site Survey Profiles Creating a New Profile Un 10 11 l1 11 13 15 15 15 16 18 20 22 Appendix A Troubleshooting Common Problems and Solutions Frequently Asked Questions Appendix B Glossary Appendix C Specifications Environmental Appendix D Warranty Information Appendix E Contact Information Instant Wreless Series 30 31 35 40 41 42 43 Dual Band Wraless A B Notebook Adapter Chapter 1 Introduction The Dual Band Wireless A B Notebook Adapter The Linksys Dual Band Wireless A B Notebook Adapter lets your notebook communicate with today s wireless network standard and prepares you for the future With one PC Card you can connect with the 2 4GHz 802 11b wireless networks so prevalent in homes businesses and public hotspots already and also a growing number of 5GHz 802 11a networks that are spreading across the country It s simple to use Just pop it into a PC Card slot
45. ters in length Valid hexadecimal characters are 0 to 9 and A to F ail LUT Linceve Faden Sie inai Ti HF Joe Dual Band Mirel ss A Notebook Adapter WLAN M i RER T A l NT Security Settings Optional Pare yar WEP seminge in de Me kii B b Th s aH matt Ge bbp pial par a a ba dee ee GP pot Tor Figure 7 16 Dual Band WMreless A B Notebook Adapter 9 The Confirm New Settings screen will appear To save the new settings click the Yes button To cancel the settings and return to the Profiles screen click the No button To edit the new settings click the Back button LUT Leyes Dunod Wire dof Auirbask ipapa Figure 7 17 10 The Congratulations screen will appear next Click Activate new settings now to implement the new settings immediately and return to the Link Information screen Click Activate new settings later to keep the current settings active and return to the Profiles screen G Lrsves iiini Degl Bacad Wirin 2 8 Huieieri Larrier i aa iy ki m wid Los Alon HP emi ie Congratulations Figure 7 18 You have successfully created a connection profile Click the X Close button in the upper right corner to exit the WLAN Monitor 29 Instant Wreless Series Appendix A Troubleshooting Common Problems and Solutions 30 This chapter provides solutions to problems that may occur during the installa tion and operation of the Dual Band Wir
46. uthentication for this network If pou are having difficuky connecting to a network click Advanced Cine Cons Figure 6 6 4 The screen in Figure 6 7 will appear if your connection is active Figure 6 7 For more information about WEP refer to your access point s documentation or visit www linksys com For more information about wireless networking on a Windows XP computer enter the keyword wireless in the Windows XP search engine Congratulations Your notebook is now connected to your wireless network Dual Band Wraless A B Notebook Adapter Chapter 7 Using the WLAN Monitor for Windows 98 Me and 2000 Use the WLAN Monitor to check the link information search for available wireless networks or create profiles that hold different configuration settings Accessing the WLAN Monitor After installing the Adapter the Dual Band Wireless A B Notebook Adapter WLAN Monitor icon will appear in your sys Ea tem tray Double click the icon see Figure 7 1 m JA The Link Information screen will appear From this screen you can find out how strong the current wireless signal is and how good the connection s quali ty is You can also click the More Information button to view additional status information about the current wireless connection To search for available wire less networks click the Site Survey tab To perform configuration changes click the Profiles tab instant Wireless Series Dual Band Wireless
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