Linksys NULL WPC55AG User's Manual
Contents
1. File name Figure 6 10 Export Select the 21 xl profile you want to Savein amp My Documents Oe B save in a different loca tion and click the Export button Select the appropriate folder as shown in Figure 6 11 and click the Save button Fie name EE Save as type Cigfiet c z Cancel Mi Figure 6 11 Note If you want to export more than one profile you have to export them one at a time Delete Select a profile then click the Delete button to delete a profile Click the X Close button in the upper right corner to exit the WLAN Monitor l On the Profiles screen shown in Figure 6 12 Dral Bami Wireless A G Notebook Adagier click the New button to WLAN Monitor we 1 1 create a new profile WPCSSAG is Active Figure 6 12 On the Create connection profile x screen shown in Figure 6 13 enter the Enter a name for the new profile Profile s name Then click the OK but ton Figure 6 13 The Profile Wizard screen Figure 6 14 appears next Select one of three wireless network types Select the 2 4GHz 5 GHz if you will connect to both 802 11a and 54g networks Select 5GHz if you will only connect to 7A works Select the 2 4 GHz if A Division of Cisco Systems inc Dual Band Wireless A G Notebook Adapter you will only WLAN Monitor vee 1 1 connect to 54g networks Then click the Next Profile Wizard button Which type of wireless network wil2. e EN 609 50 Safety e ETS 300 328 2 Technical requirements for Radio equipment For 54Mbps 5 GHz devices with 40 mW radios the following standards were applied e ETS 301 489 1 301 489 17 General EMC requirements for Radio 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 Dual Band Wireless A G Notebook Adapter tyyp pinen laite on direktiivin 1999
3. 11 dBm to 17 dBm 802 11a and draft 802 119 OFDM 802 11b CCK DOPSK DBPSK WEP LEAP CKIP 64 128 152 Bits TCP IP Dimensions Unit Weight Power Certifications Operating Temp Storage Temp Operating Humidity Storage Humidity 4 72 x 0 51 x 2 13 120 mm x 13 mm x 54 mm 1 48 oz 0 04 kg 3 3V Bus Powered FCC CE IC 03 Wi Fi 802 11a 802 11b CCX WHQL XP 2000 Me 0 C to 55 C 20 C to 85 C 10 to 85 Non Condensing 5 to 90 Non Condensing 43 44 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 CANADA SHALL BE HELD RESPONSIBLE FOR SHIPPING AND HANDLING CHARGES PLEASE CALL LINKSYS FOR MORE DETAILS For help with the installation or operation of the Dual Band Wireless A G Notebook Adapter contact Linksys Technical Support at one of the phone num ber
4. CA 92623 SAFETY AND REGULATORY NOTICES FCC STATEMENT The Dual Band Wireless A G 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 communications 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
5. Default nksys A FT BOLT Network Type Infrastructure J AGHz Rate Auto Channel Auto WEP Disabled Click the Profile name above and the Connect bution below to use pre configured wireless network settings Use the menu below to manage your wireless network s Profiles and Advanced settings CS CS COS cs xs Figure 6 9 Profile Name The name of the profile SSID The SSID of the wireless network Type This letter signifies the type of network assigned to this profile The let ter A signifies an 802 11a network B signifies 802 11b and G signifies 802 11 g Profile Information Network Type The network mode Ad Hoc or Infrastructure Transfer Rate The Adapter is set to Auto mode so it will dynamically shift 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 s SSID and click the Connect button Edit Select the profile s name and click the Edit button to change an exist ing profile New Click the New button to create a new profile See the next section Creating a New Profile 21 eZ Import Click the Import button to import a profile that has been saved in another location Select the appropriate file as shown in Figure 6 10 and click the Open button
6. Figure 6 16 shows a choice of two net work modes Click the Infrastructure Mode radio button if you want your wireless computers to communicate with computers on your wired network via an access point Click the Ad Hoc Mode radio button if you want mul tiple wireless computers to communicate directly with each other Then enter the SSID for your wireless network in the SSID 1 field Enter alter native SSIDs in the SSID 2 and SSID 3 fields Click the Next button LINKSYS Fa eR ER os Dual Bamd Wireless A G Notebook Adapter WLAN Monitor vee 11 Choose a network type e Infrastructure Mode hinrasbudure mode he wiiniess dowoes conmmuncaie with Gach eather and to wired network via an aooss ponl C Ad Hoc Mode Ad hoc mroless compulers oparala on pagr l0 p ti bass communcalng direc with tach er without the use of an acotss point Ploase enter the SSID for your wireless network SSID 1 linksys S510 Service Set IDentiier AUS aa Mate amang Mi paoti LP TI Ma CE SSID The S510 must b AFFE linksys wireless networkandacase sersitive SEM linksys Figure 6 16 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 SSID The SSID is the unique name shared by all devices in a wireless network The SSID must be identical for all devices in
7. or 32 characters in length for 152 bit encryption All points in your wireless net work must use the same WEP key to utilize WEP encryption If you wish to have the encryption key generated through a Passphrase it can be a maximum of 16 alphanumeric characters Type this in the Passphrase field and a key will be automatically generated This passphrase may not work with non Linksys products due to possible incompatibility with other vendors passphrase generators Click the Next button to continue or Back to chose a different security method LEAP Authentication From the LEAP screen shown in Figure 6 21 com plete the User Name and Password fields making sure Security Settings LINKSYS f A Division of Cisco Systems In Daal Band Wireless A G Notebook Adapter WLAN Monitor vec 11 to confirm the pass enter your usor Name and Password for LEAP authentication Re type your work in the Confirm field If you do not know this informa tion contact your network administra tor Password to in the Confirm field Figure 6 21 Click the Next button to complete the connection or Back to chose a dif ferent security method Click the X Close button in the upper right corner to exit the WLAN Monitor The Confirm New Settings screen will appear To save the new settings click the Save button To cancel the settings and return to the Profiles screen without saving your changes click the Cancel button To
8. 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 Topology A network s topology is a logical characterization of how the devices on the network are connected and the distances between them The most common network devices include hubs switches routers and gateways Most large networks contain several levels of interconnection the most impor tant of which include edge connections backbone connections and wide area connections WAN Wide Area Network A communications network that covers a rela tively large geographic area consisting of two or more LANs Broadband com munication over the WAN is often through public networks such as the tele phone DSL or cable systems or through leased lines or satellites In its most basic definition the Internet could be considered a WAN WEP 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 WLAN Wireless Local Area Network A group of computers and associat ed devices that communicate with each other wirelessly 41 42 Standards Interface LEDs Transmit Power Modulation Security Features WEP Key Bits Protocol IEEE 802 11a 802 11b draft 802 119 CardBus Power Link
9. Information Network Type The wireless mode 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 Connect To connect to one of the networks on the list select the wireless net work and click the Connect button Once you are connected the Security Settings screen will appear shown in Figure 6 6 Select the security method your wireless network employs in the drop down menu If the wireless network has WEP encryption enabled for security you will see the screen shown in Figure 6 6 If the wireless network J Security Settings has LEAP authentica In the Security Type drop down box select the type of security used by the wireless network tion enabled for securi Soeur pe REZ 2 ty you will see the screen shown in Figure 6 7 If the wireless net work employs an Externally Managed 802 1x type of security choose this selection The Adapter will detect the settings and forward you to the next Profile screen shown in Figure 6 9 LINKSYS P ify yema Daal Banmd Wireless A G Notebook Adapter WLAN Monitor ver 11 Figure 6 6 LINKSYS __ WEP A Division al Cisco Systems in Daal Band Wireless A G Notebook Adapter WLA
10. Notebook Adapter in your com puter you will install the driver and configure the Adapter Hardware installation l 2 Turn off your notebook PC Locate an available CardBus slot on your notebook PC With the Adapter s label facing up as shown in Figure 4 1 slide it completely into the CardBus slot Restart your note book PC Figure 4 1 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 Proceed to the next section Driver Installation for Windows XP Driver Installation for Windows XP Windows XP will automati cally detect the Adapter Click the radio button next to Install the software auto matically Recommended Insert the Setup Wizard CD ROM into your computer s CD ROM drive Then click the Next button Found New Hardware Wizard Welcome to the Found New Hardware Wizard This vazand helps pou install sobre for Meteark Conbreler LE pour hardware came with on installation CD 2 of floppy disk insert i now What do you want the vazand to da instal the softveste automaticslly Recommended gt instal fom a let or specie location Advanced cence Figure 4 3 Important for Windows XP users Do NOT run the Dual Band Wireless A G Notebook Adapter Setup Wizard If the Setup Wizard runs automatically aft
11. 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 EAP Extensible Authentication Protocol An IETF standard that establishes an authentication protocol for network access Many authentication methods including passwords certificates and smart cards work within this framework Encryption A security method that applies a specific algorithm to data in order to alter the data s appearance and prevent other devices from reading the information Ethernet IEEE standard network protocol that specifies how data is placed on and retrieved from a common transmission medium Has a transfer rate of 10 Mbps Forms the underlying transport vehicle used by several upper level protocols including TCP IP and XNS FHSS Frequency Hopping Spread Spectrum FHSS continuously changes hops the carrier frequency of a conventional carrier several times per second according to a pseudo random set of channels Because a fixed frequency is not used and only the transmitter and receiver know the hop patterns interception
12. 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 A set of two or more BSS in a single network is referred to as an Extended Service Set Infrastructure mode is useful at a corporation scale or when it is necessary to connect the wired and wireless networks IP Internet Protocol The method or protocol by which data is sent from one computer to another on the Internet It is a standard set of rules procedures or conventions relating to the format and timing of data transmission between two computers that they must accept and use to be able to understand each other 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 each sender or receiver of information that is sent 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 and sends it to the IP address that is obtained by look ing up the domain name in the Uniform Resource Locator you requested or in 37 38 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 requestor or the e mail sender and can respond by sending another message using the IP address it received IRQ Interrupt ReQuest A hardware interrupt on a PC Th
13. edit the new settings click the Back button The Congratulations screen will appear next Click Activate new settings now to imple ment the new settings immediately and return to the Link Information screen Click Activate new Settings later to keep the current set tings active and return to the Profiles screen 3 nal Bamd Wireless A G Notebook Adapter WLAN Monitor vec 11 Confirm New Settings S Ghz IA GHz Gord pou fie oe Fe core OW wo D Bak Figure 6 22 x LINKSYS Ee Dnal Band Wireless Arh Notebook Atiapler WLAN Monitor vec 11 Congratulations Your Dual Band Wireless A G Motebonk Adapter has Been successiully configured Figure 6 23 You have successfully created a connection profile Click the X Close button in the upper right corner to exit the WLAN Monitor 29 Common Problems and Solutions 30 Appendix A Troubleshooting This chapter provides solutions to problems that may occur during the installa tion and operation of the Dual Band Wireless A G 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 Make sure that the Adapter is properly inserted into the PCMCIA slot Note that the card can be inserted either way but is correct only when it is insert ed with the arrow on the front of the card up If in doubt try inserting the ca
14. of FHSS is extremely difficult Fragmentation Breaking a data into smaller units when transmitting over a network medium that cannot support the original size of the data Gateway A device that interconnects networks with different incompatible communications protocols Hardware Hardware is the physical aspect of computers telecommunica tions and other information technology devices The term arose as a way to dis tinguish the box and the electronic circuitry and components of a computer from the program you put in it to make it do things The program came to be known as the software Hop The link between two network nodes IEEE The Institute of Electrical and Electronics Engineers The IEEE describes itself as the world s largest technical professional society promoting 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 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
15. place in the network 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 static 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 35 36 Domain A subnetwork comprised of a group of clients and servers under the control of one security database Dividing LANs into domains improves per formance and security Driver A workstation or server software module that provides an interface between a network interface card and the protocol software running in the com puter it is designed for a specific device and is installed during the initial installation of a network compatible client or server operating system DSSS Direct Sequence Spread Spectrum DSSS generates a redundant bit pattern for all data transmitted This bit pattern is called a chip or chipping
16. 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 INDUSTRY CANADA CANADA This Class B digital apparatus complies with Canadian ICES 008 Cet appareil num rique de la classe B est conforme a la norme NMB 003 du Canada The use of this device in a system operating either partially or completely outdoors may require the user to obtain a license for the system according to the Canadian regulations EC DECLARATION OF CONFORMITY EUROPE Linksys Group declares that the products included conform to the specifications listed below following the provisions of the European R amp TTE directive 1999 5 EC EMC direc tive 89 336 EEC and Low Voltage directive 73 23 EEC For 11Mbps 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
17. 5 EY direktiivin 89 336 EEC ja direktiivin 73 23 EEC oleellisten vaatimusten ja sit koskevien n iden direktiivien muiden ehtojen mukainen Linksys Group d clare que la Dual Band Wireless A G Notebook Adapter est con forme 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 b ti 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
18. 802 11b and draft 802 11g compliant e 32 Bit CardBus Interface e Cisco Compatible Extensions Chapter 2 Planning Your Wireless Network A wireless local area network WLAN ts exactly like a regular local area net work LAN except that each computer in the WLAN uses a wireless device to connect to the network Computers in a WLAN share the same frequency chan nel 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 Figure 2 1 access point which serves 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 ran
19. Address The IP Address of the Adapter Subnet Mask The Subnet Mask of the Adapter Default Gateway The Default Gateway address of the Adapter DNS The DNS address of the Adapter DHCP The status of the DHCP client x Click the Save to Profile button to save Entera name for the new profile the current settings in a profile Entera fF name for the profile see Figure 6 4 and then click the OK button ss ees Figure 6 4 Signal Strength This indicates the strength of the Adapter s signal Link Quality This indicates the quality of the wireless network connection 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 The Site Survey screen shown in Figure 6 5 displays a list of infrastructure and ad hoc networks available for connection x Dual Bamd Wireless A G Notebook Adapter WLAN Monitor vor 11 Available wireless connections will be shown below Select a network from the table on the leit and click the Connect button Your network may not be listed here dus to security settings if so use the Profiles menu to create a wireless connection Network Type Infrastructure Channel 6 WEP Disabled MAC 00 02 34 56 76 00 Surveyed at 11 42 34 am linksys Excellent Figure 6 5 SSID The SSID of the wireless network Signal The quality of signal strength Poor Fair Good or Excellent Site
20. Customers locat ed outside of the United States of America and Canada are responsible for all shipping and handling charges ALL IMPLIED WARRANTIES AND CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED TO THE DURATION OF THE WARRANTY PERIOD ALL OTHER EXPRESS OR IMPLIED CONDITIONS REPRESENTATIONS AND WARRANTIES INCLUDING ANY IMPLIED WARRANTY OF NON INFRINGEMENT ARE DISCLAIMED Some jurisdictions do not allow limitations on how long an implied war ranty lasts so the above limitation may not apply to You This warranty gives You spe cific legal rights and You may also have other rights which vary by jurisdiction TO THE EXTENT NOT PROHIBITED BY LAW IN NO EVENT WILL LINKSYS BE LIABLE FOR ANY LOST DATA REVENUE OR PROFIT OR FOR SPECIAL INDIRECT CONSE QUENTIAL INCIDENTAL OR PUNITIVE DAMAGES HOWEVER CAUSED REGARDLESS OF THE THEORY OF LIABILITY ARISING OUT OF OR RELATED TO THE USE OF OR INABILITY TO USE THE PRODUCT EVEN IF LINKSYS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES IN NO EVENT WILL LINKSYS LIABILITY EXCEED THE AMOUNT PAID BY YOU FOR THE PRODUCT The foregoing limitations will apply even if any warranty or remedy provided under this Section fails of its essential purpose Some jurisdictions do not allow the exclusion or lim itation of incidental or consequential damages so the above limitation or exclusion may not apply to You Please direct all inquiries to Linksys P O Box 18558 Irvine
21. Dual Band Wireless A G Notebook Adapter Eh af oe Sg Hz GHz j Use this guide to install WPC55AG Cisco Compatible COPYRIGHT amp TRADEMARKS Specifications are subject to change without notice Linksys is a registered trademark or trademark of Cisco Systems Inc and or its affiliates in the U S and certain other coun tries Copyright 2003 Cisco Systems Inc All rights reserved Other brands and prod uct names are trademarks or registered trademarks of their respective holders LIMITED WARRANTY Linksys warrants to the original end user purchaser You that for a period of three years Your Linksys product will be free of defects in materials and workmanship under normal use Your exclusive remedy and Linksys s entire liability under this warranty will be for Linksys at its option to repair or replace the product or refund Your purchase price less any rebates If the product proves defective during the 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 You are responsible for shipping defective products to Linksys Linksys pays for UPS Ground shipping from Linksys back to You only
22. EE 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 11Mbps an operating frequency of 2 4GHz and WEP encryption for security 802 11b networks are also referred to as Wi Fi networks 802 11 A proposed but as yet unratified extension of the IEEE 802 11 stan dard for wireless networking hardware The draft 802 11g specifications used by Linksys specify a maximum data transfer rate of 54Mbps using OFDM modulation an operating frequency of 2 4GHz backward compatibility with IEEE 802 11b devices and WEP encryption for security Adapter Printed circuit board that plugs into a PC to add to capabilities or connectivity to a PC In a networked environment a network interface card is the typical adapter that allows the PC or server to connect to the intranet and or Internet 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 Bandwidth The transmission capacity of a given facility in terms of how much data the facility can transmit in a fixed amount of time expressed in bits per second bps Bit A binary digit The value O or 1 used in the binary numbering system Also the smallest form of data Cardbus A
23. EP encryption process by automatically generating the WEP encryption keys for Linksys products PC Card A credit card sized removable module that contains memory I O or a hard disk PCI Peripheral Component Interconnect A peripheral bus commonly used in PCs Macintoshes and workstations It was designed primarily by Intel and first appeared on PCs in late 1993 PCI provides a high speed data path between the CPU and peripheral devices video disk network etc There are typically three or four PCI slots on the motherboard In a Pentium PC there is generally a mix of PCI and ISA slots or PCI and EISA slots Early on the PCI bus was known as a local bus PCI provides plug and play capability automatically configuring the PCI cards at startup When PCI is used with the ISA bus the only thing that is gen erally required is to indicate in the CMOS memory which IRQs are already in use by ISA cards PCI takes care of the rest PCI allows IRQs to be shared which helps to solve the problem of limited IRQs available on a PC For example if there were only one IRQ left over after ISA devices were given their required IRQs all PCI devices could share it In a PCI only machine there cannot be insufficient IRQs as all can be shared 39 40 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 reauthen
24. N Monitor ver 1 1 When the WEP settings screen opens shown in f Security Settings Figure 6 7 first select Select the level at WEP your ratwork uses Enter your network s security information in the elds below the level of WEP CN ce NN So M encryption you wish to lt a iw employ 64 bit 128 bit or 152 bit The Passphrase is case sensitive and should be fewer than 16 characters You may manually enter your WEP koy in hexadecimal format below Next select the type of Authentication your network employs You may choose between Auto Open System or Shared Key With the Shared Key setting all wire less devices must have the same WEP keys so that they can authenticate each other and start transmitting data With the Open System setting the Adapter can join a network without performing a security check The default setting is to Auto which means that the Adapter will automatically detect the network s settings and transmit data appropriately Figure 6 7 Next choose a Transmit Key 1 4 This will be one of the encryption keys in the four fields entered manually or generated through the use of a Passphrase 19 20 When manually the encryption key must consist of the letters A through F and the numbers 0 through 9 and should be 10 characters in length for 64 bit encryption 26 characters in length for 128 bit encryption or 32 characters in length for 152 bit encryption All points in
25. and Wireless A G Notebook Adapter WLAN Monitor wets Tiga aa Tele H x Wireless Settings Daed ha Channel you plan bo aia for piur wa rw Yima hodit any chancel des long ai Mi fia computers are on Pa same chanel Cic Neni io Gaini g zarba moule rca In Mined Mesa boh Wvirpleras Gi ard Wreg Gequpped computers can jem fia ad hoc wiiices miwa Mote that in blion Minds the network mur operate al a slower speed to alice Wirdiees B chants io communicate Had the VWieriere G computers me sel to Ginty Mode ro Wiren certe well Es ama ey pou Lo Perth to continue Network Mode Himed Mode Click the Next button Figure 6 18 The Security Settings screen will appear next as shown in Figure 6 19 Select the security method your wireless network employs in the drop down menu If the wireless net work has WEP encryption enabled for security you will see the screen shown in Figure 6 20 If the J Security Settings wireless network has In the Security Type drop down box select the type of security used by the witeloss network LEAP authentica secur ype a tion enabled for security you will see the screen shown in Figure 6 21 If the wireless network employs an Externally Managed Figure 6 19 802 1x type of security choose this selection The Adapter will detect the set tings and forward you to the next Profile screen shown in Figure 6 22 LUNKSYS A Divan of Cico System E Daal Banmd Wireless A G Notebook Adapter WLAN Monit
26. 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 RTS CTS feature e Fragmentation 31 32 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 RTS 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 access point 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 sec
27. button if you want multiple wireless computers to network directly with each other In the SSID field enter the SSID of your wireless network The SSID must be identical for all devices in the network The default setting is linksys all lowercase Click the Next button l INKSYS A Diesen of Gisco Systems Inc Wireless Mode Choose the wireless mode that best suits your needs if you are connected to an Access Point select Infrastructure Mode The Wireless Mode can be changed later by using the Configuration Utility infrastructure Mode in infrastructures mode the witless Gewices communicate with ach other and to a weed network via an access point Ad Hoc Mode Ad hoc wireless compuiers oparal on poer lo poor bates communcabng direct wilh Gach other without the usa of an access point Please enter the SSID for your wireless notwork x i SSID Serice Set IDentifien A unique name SSID1 RAGE hated among all pants in a ralang network mess The 510 must be identical for each point in the HUE linksys er DE go Also SSID3 Linksys Figure 5 4 11 6 If you chose nfrastructure Mode go to Step 7 now If you chose Ad Hoc Mode the Ad Hoc Mode Setting screen will appear for the type of network you re using see Figures 5 5 and 5 6 Note If you chose 5GHz 2 4GHz in Step 4 for connection to both 802 11a and 54g networks then go to Step 6 The Adapter will auto atically select the best channel for you F
28. e configuration e Make sure that the notebook PC to which the Adapter is associated is pow ered on e Make sure that your Adapter is configured on the same channel and with the same security options as the other computers in the Infrastructure configura tion Frequently Asked Questions Can run an application from a remote computer 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 commu nicate provided that the hardware complies with the 802 1la standard The 802 11a standard states a maximum data transfer rate of 54Mbps and an oper ating frequency of 5GHz 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
29. er the Setup Wizard CD ROM has been insert ed click the Exit tab 2 After Windows has finished PET installing the driver click the Completing the Found New Finish button Hardware Wizard Thee mazang has finished ralang the solbane bor Hu Duskfand Wieler A G Notebook Adapter Dick Finish to clota the virad Frish Figure 4 4 You have now completed the driver installation for the Dual Band Wireless A G Notebook Adapter To configure the Adapter proceed to the next section Windows XP Wireless Zero Configuration Windows XP Wireless Zero Configuration Important for Windows XP users Windows XP has a built in con figuration tool Use the Windows XP Wireless Zero Configuration in the system tray at the bottom of your screen to configure the Adapter 1l After installing the Adapter the Windows i Wireless Network Connection2 XP Wireless Zero wa oa are are av Configuration icon will BARRES Sates appear in your computer s system tray Double click the icon Figure 4 5 Note These instructions are 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 2 The screen that appears will show any available wireless network Select the network you want If this network
30. ere are 16 IRQ lines used to signal the CPU that a peripheral event has started or terminated Except for PCI devices two devices cannot use the same line 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 avail able worldwide This presents a truly revolutionary opportunity to place con venient high speed wireless capabilities in the hands of users around the globe ISP Internet Service Provider A company that provides individuals and companies access to the Internet and other related services such as Web site building and virtual hosting LAN Local Area Network 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 LEAP Lightweight Extensible Authentication Protocol Cisco s proprietary mutual authentication method using the Extensible Authentication Protocol EAP and a username and password system LEAP authentication supports dynamic WEP key management for wireless networking using 802 1x MAC Media Access Control Address A unique number assigned by the manufacturer to any Ethernet networking device such as a network adapter that allows the network to identify it at the hardware l
31. 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 renseignements 2 4 GHz Band only channels 10 11 12 18 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 Italia 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 Italy 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 WPC55AG UG 30806C KL Table of Contents Chapter 1 I
32. evel Mbps Megabits per second One million bits per second unit of measure ment for data transmission Network A system that transmits any combination of voice video and or data between users Notebook PC A notebook computer is a battery powered personal comput er generally smaller than a briefcase that can easily be transported and conve niently used in temporary spaces such as on airplanes in libraries temporary offices and at meetings A notebook computer sometimes called a laptop com puter typically weighs less than five pounds and is three inches or less in thick ness 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 1s also used for other appli cations including powerline networking Passphrase Used much like a password a passphrase simplifies the W
33. ge 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 If the wireless network is 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 1s limited by the distance and interference direct ly between them Figure 2 2 Chapter 3 The Dual Band Wireless A G Notebook Adapter s LEDS The Adapter has two LEDs to let you know how the card is functioning Here is a description of those LEDs Power Green The Power LED lights up when the Adapter is pow ered on Link Green The Link LED lights up and stays solid when the Adapter is inserted correctly and a link is established with the notebook The LED flashes when data is transmitted or received Chapter 4 installation and Configuration for Windows XP Important for Windows 98 Me and 2000 users Go to Chapter 5 After installing the Dual Band Wireless A G
34. has WEP encryption disabled go to Wireless Network Connection 3 Step 3 The following wireless network s are available To access a wireless network select it from the list and then click Connect If this network does not Available wireless networks have WEP encryption inksys a enabled then Figure 4 6 tinksys g will appear Make sure the box next to Allow me to connect to the selected wireless network even though it is not secure 1s F Allow me to connect to the selected wireless network checked Then click the even though itis not secure Connect button and go to Step 4 This witeless network is not secure Because a network 4 key WEP is not used for authentication or for data enctyption data sent over this network might be subject to unauthorized access If you are having difficulty connecting to a network click Advanced Advanced onnec Cancel Figure 4 6 If bled the IR se a eeen in Figure 47 will Bu ae Chapter 5 Installation and appear Enter the WEP The following wireless network s are available To access a i a as Configuration for Windows 98 Me y y key of your wireless net n _ work in the Network key ere ee field and re enter it in the linksys a a 2000 d linksys g a ali Confirm network key v field Then click Connect This wireless network requires the use of a network key WEP To and go to Step 4 access this network type the
35. high speed peripherals interface for notebook PCs that delivers 32 bit performance based on PCI bus architecture CSMA CA Carrier Sense Multiple Access Collision Avoidance In local area networking this is the CSMA technique that combines slotted time divi sion multiplexing with carrier sense multiple access collision detection CSMA CD to avoid having collisions occur a second time 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 Gateway The routing device 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
36. key then click Connect Network key 0 o Confirm network key The Dual Band Wireless A G Notebook Adapter Setup Wizard will guide you through the installation and configuration procedure for Windows 98 Me and 2000 Then you will install the Adapter in your computer Software Installation for Windows 98 Me and 2000 v Enable IEEE 802 1 authentication for this network If you are having difficulty connecting to a network click Advanced Figure 4 7 1 Insert the Setup Wizard CD ROM into your CD ROM drive The Setup Wizard should run automatically and Figure 5 1 should appear If it does not click the Start button and choose Run In the field that appears enter 4 The screen in Figure 4 8 ee D setup exe SC will appear if your con D datent contre gt where D is LINKSYS nection 1S active Connected to linksys 9 the letter of A Division of Gisco Systems ine APE SERN EXO your CD ROM Setup Wizard vor 1 1 drive Figure 4 8 ETS Welcome i Welcome to the Setup Wizard for the For more information about wireless networking on a Windows XP computer ee et aq click Start and then Help and Support Enter the keyword wireless in the saa ha let E l To mut penes the install bufon LE i field provided and press the Enter key ao O mm OJ En Congratulations The installation of the Dual Band Wireless A G Copyright 2008 Caco Spats ne A rights rend Circe TITNE rer Notebo
37. l this profile use S GHz 9 4GHz Make a selection and click Next to continue Figure 6 14 23 4 The Network Settings screen shown in Figure 6 15 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 and go to step 4 If your network does not have a DHCP server click the radio button next to Specify the IP address Enter an IP Address Subnet Mask Default Gateway and DNS appropriate for your network 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 and go to Step 4 LINKSYS Dinson of Cisco Systems Inc Dual Band Wireless 44 6 Notebook Adapter WLAN Monitor vor 1 1 Network Setting ene L118 BC es Gp I you woul ika IF satirys lo be assigned aulomabcally m Specify the IP address IP Address 192 166 1 50 DNS 1 0 0 0 COULEUR 255 255 255 a ARMM 192 168 1 1 4 J Back Obtain an IP address automatically DHCP Figure 6 15 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 DNS Enter the DNS server addresses used by your ISP The Choose a network type screen
38. nd 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 1s 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 Service Set IDentifier A unique name shared among all points in a wireless network The SSID must be identical for each point in the wireless net work and is case sensitive 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 connection 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
39. ntroduction The Dual Band Wireless A G Notebook Adapter Features Chapter 2 Planning Your Wireless Network Network Topology Ad Hoc versus Infrastructure Mode Chapter 3 The Dual Band Wireless A G Notebook Adapter s LEDs Chapter 4 Installation and Configuration for Windows XP Overview Hardware Installation Driver Installation for Windows XP Windows XP Wireless Zero Configuration Chapter 5 Installation and Configuration for Windows 98 Me and 2000 Overview Software Installation for Windows 98 Me and 2000 Hardware Installation a A A ui A 14 Chapter 6 Using the WLAN Monitor for Windows 98 Me and 2000 Overview Starting the WLAN Monitor Link Information Site Survey Profiles Creating a New Profile 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 15 15 15 16 18 20 22 30 30 31 34 42 43 44 45 Chapter 1 Introduction The Dual Band Wireless A G Notebook Adapter The Linksys Dual Band Wireless A G Notebook Adapter lets your notebook communicate with all three wireless network standards With one PC Card you can connect to Wireless A 802 11a Wireless G draft 802 11g and Wireless B 802 11b networks Wireless B networks have a data rate of 11Mbps and are commonly found in corporate en
40. ok Adapter is complete Figure 5 1 e Install Click the Install button to begin the software installation process e User Guide Clicking the User Guide button opened this PDF file of this User Guide e Exit Click the Exit button to exit the Setup Wizard 2 To install the Adapter click the Install button on the Welcome screen 3 After reading amp the Warranty LINKSYS Policy shown in i a Figure 52 Setup Wizard ver 1 1 click the Next License Agreement button if you agree or click the Cancel but ton to end the installation if you accept ie bermas of Pis Agreement click Nert i contre If nol choose Cancel and the Setup Mare will close To ingal the Wireless G POI Adapler s Figure 5 2 4 Next you will choose your type of wireless network If you will connect to both 802 11a and 54g networks select 5GHz 2 4GHz If you will connect to only 802 11a select 5GHz If you will connect to only 54g select 2 4GHz Click the Next button to continue R LINKSYS Umison of bisco Systema Inc Setup Wizard ver 1 1 Please choose the network mode you would like to use with this adapter amp GHz w piia Make a Selection and click Next to continue Figure 5 3 10 5 Choose a wireless mode for your network Click the Infrastructure Mode radio button if you want your wireless computers to network with computers on your wired network using an access point Click the Ad Hoc Mode radio
41. or the Channel setting the channel you choose should match the channel set on the other devices in your wireless network Select the channel you plan to use for your 802 lla or 54g network from the appropriate drop down screen that appears If you want the network to automatically choose a channel for you then select Auto The Network Mode setting is available only for 54g networks If you have Wireless G draft 802 11g and Wireless B 802 11b devices in your network then keep the default Network Mode set ting Mixed Mode If you have only Wireless G devices select G Only Mode Click the Next button 12 amp LINKSYS Setup Wizard wa 1 1 Wireless Channel Seated the Ch apt papa a araryan hii Aree haee ell plow he computes fo omera Ad Hoc Mode at long iri a the w COTES dre Es game chancel Cac Mest oct I _ Figure 5 5 LINKSYS Setup Wizard we 1 1 Wireless Mode Sted fhe Channel yoo plan te cee ber you mereka rotor Any channel ail allow Fe puted D areia n Addo Mode d ho af a the complet dre on ihe same chanel Click Met i continue M Bik piia riii monte ih Mise Mada EER haa G member A f ji Mode inc Vilneiews8 computen ml be sbie io pin the nehai CT LA enna Macd Mode Figure 5 6 Review your settings on the Finalize Settings screen shown in Figure 5 7 before the Setup Wizard starts to copy your files Click the Next button to continue LINKSYS i O
42. or ver 11 WEP LINKSYS A Division of Cisco Systems le Daal Bamd Wireless A G Hotebook Adapter WLAN Monitor ver 11 When the WEP set tings screen opens shown in Figure 6 20 first select the Security Settings level of WEP nic att oe uses Enter your network s security een w COSCE open wi to employ 64 bit Trane Koy 2 128 bit or 152 bit encryption you wish The Passphrase is case sensitive and should be fewer than 16 characters You may manually enter your WEP koy in hexadecimal format below Next select the type of Authentication your network z employs You may Figure 6 20 choose between Auto Open System or Shared Key With the Shared Key setting all wireless devices must have the same WEP keys so that they can authenticate each other and start transmitting data With the Open System set ting the Adapter can join a network without performing a security check The default setting is to Auto which means that the Adapter will automatically detect the network s settings and transmit data appropriately Next choose a Transmit Key 1 4 This will be one of the encryption keys in the four fields entered manually or generated through the use of a Passphrase at When manually the encryption key must consist of the letters A through F and the numbers 0 through 9 and should be 10 characters in length for 64 bit encryption 26 characters in length for 128 bit encryption
43. rd both ways The card 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 card 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 on 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 the card has been detected properly If you see a yellow question mark the resources are conflicting e Right click on My Computer and select Properties Select the device man ager and click the Adapter You will find the Adapter if it is installed suc cessfully If you see the yellow exclamation mark the resources are conflict ing Click PCMCIA card and then click PCMCIA card service You will see the status of the Adapter If there is a yellow 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 card and installed the proper driver If the Adapter does not function after attempting the above steps remove the card and do the following e Uninstall the driver software from your PC e Restart your PC and repeat the hardware and software installation as specified in this User Guide 3 I cannot communicate with the other computers linked via the Ethernet in the Infrastructur
44. rmation Click the More information button for further information about your wireless connection see Figure 6 3 x LINKSYS S A Division of Cisco Systems Inc Diral Bami Wireless A G Notebook Adapter WLAN Monitor vor 11 The current link between your Wireless A G Notebook Adapters A Cisco Compatible Figure 6 2 Ad Hoc Mode or Infrastructure Mode The screen indicates whether the Adapter 1s currently working in ad hoc or infrastructure mode Signal Strength The Signal Strength bar indicates the strength of the Adapter s signal Link Quality The Link Quality bar indicates the quality of the wireless net work connection 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 Wireless Network Status LINKSYS E i Daa Bamd Wireless A G Hotebook Adapter WLAN Monitor ver 11 Status The status of the wireless network connection SSID The SSID of the wireless network Network Mode The wireless mode current ly in use ad hoc or infrastructure Transfer Rate The data transfer rate of the current connection Figure 6 3 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 00 06 25 27 F 5 88 TCP IP Setting IP
45. s located at the bottom right hand corner of your screen The top left hand corner of the icon will light up blue if the Adapter is installed and active Its bottom right hand corner will light up yellow if the Adapter is connected to a wireless screen The icon will remain dim if the Adapter is not installed or is disabled 4 Restart your note book PC 5 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 Figure 6 1 Congratulations The installation of the Dual Band Wireless A G Notebook Adapter is complete Double click the WLAN Monitor icon and the Link Information screen will appear From this screen you can find out how strong the Adapter s wireless signal is and how good the connection s quality is Click the More Information button to view additional status information about the current wireless connection To search for available wireless networks click the Site Survey tab To perform configuration changes click the Profiles tab If you want to check the link information search for available wireless networks or make additional configuration changes proceed to Chapter 6 Using the WLAN Monitor for Windows 98 Me and 2000 14 Link Information 16 The Link Information screen shown in Figure 6 2 displays the Adapter s sig nal strength and link quality info
46. s low power wideband noise and is rejected ignored by most nar rowband receivers 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 Can Linksys wireless products support printer sharing Linksys wireless products perform the same function as LAN products Therefore they can work with NetWare Windows NT 2000 or other network operating systems to support printer or file sharing What is WEP WEP is Wired Equivalent Privacy a data privacy mechanism based on a 40 64 bit shared key algorithm as described in the IEEE 802 11 standard 33 34 Appendix B Glossary 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 5GHz The 802 11a 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 IE
47. s or Internet addresses below Sales Information Technical Support 800 546 5797 LINKSYS 800 326 7114 RMA Return Merchandise Authorization Issues www linksys com or call 949 271 5461 Fax 949 265 6655 E mail support linksys com Web http www linksys com FTP Site ftp linksys com 45 http www linksys com Copyright 2003 Cisco Systems Inc All Rights Reserved
48. the wireless network It is case sensitive and must not exceed 32 characters use any of the char acters on the keyboard Make sure this setting is the same for all devices in your wireless network When attempting a connection the Adapter will try SSID 1 If unsuccess ful the Adapter will then try SSID 2 and SSID 3 until a connection is made 20 26 6 If you chose Infrastructure mode proceed to Step 6 Depending upon the Ad Hoc mode you chose one or both Ad Hoc Mode Setting screens shown in Figure 6 17 and 6 18 will appear Note If you chose 5GHz 2 4GHz in Step 2 for connection to both 802 11a and 54g networks then go to Step 6 The Adapter will auto atically select the best channel for you i From the drop down menu select the chan nel you plan to use for your network If you want the network to f Wireless Settings automatically choose a a channel for you then select Auto Dual Bamd Wireless A G Notebook Adapter WLAN Monitor we 11 fou will determine which bo of ad hoc network you wall join by Ssang the appropeiaie harhal from the drop in mann The Network Mode set ting is available only for 54g networks If you have Wireless G draft 802 11g and Wireless B 802 11b devices in your net work then keep the default Network Mode setting Mixed Mode If you have only Wireless G devices select G Only Mode ae Figure 6 17 LINKSYS A Division of Cisco prena eat Dual B
49. ticate to the new access point This reassociation and reauthentication should occur without user intervention and ideally without interruption to network connectivity A typical scenario would be a location with multiple access points where users can physically relocate from one area to another and easily maintain connectivity RTS Request To Send An RS 232 signal sent from the transmitting station to the receiving station requesting permission to transmit Server Any computer whose function in a network is to provide user access to files printing communications and other services Software Instructions for the computer A series of instructions that performs a particular task is called a program The two major categories of software are system software and application software System software is made up of control programs such as the operating system and database management sys tem DBMS Application software is any program that processes data for the user A common misconception is that software is data It is not Software tells the hardware how to process the data Spread Spectrum Spread Spectrum technology is a wideband radio frequen cy technique developed by the military for use in reliable secure mission crit ical communications systems It is designed to trade off bandwidth efficiency for reliability integrity and security In other words more bandwidth is con sumed than in the case of narrowba
50. ure 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 Frequency 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 1s 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 a
51. vironments and in homes for household Internet connectivity with out the need for running cables They re also popping up all over the country in coffee shops airports hotels convention centers and other public spaces offer ing on the go connectivity to mobile users In high speed or heavy usage environments Wireless B is quickly being replaced by a new standard Wireless G which uses the same 2 4GHz radio band but at 54Mbps is almost five times faster The third wireless network standard is Wireless A which also runs at 54Mbps but operates in the less crowded 5GHZ radio band Wireless A is mostly used in corporate installa tions Whichever standard you encounter the Dual Band Wireless A G Notebook Adapter is ready to connect And it s simple to use Just pop it into a PC Card slot and run the included Setup Wizard which will walk you through the con figuration All wireless communications can be protected by up to 152 bit encryption so your data stays secure Join the wireless revolution With the Linksys Dual Band Wireless A G Notebook Adapter you ll be ready to connect to all three types of wireless net works wherever you go now and in the future e Connects to either 2 4Ghz 802 11b or draft 802 11g or 5Ghz 802 1 1a networks without changing adapters e Advanced security features with LEAP and up to 152 Bit WEP encryption e Easy to use Setup Wizard e Detailed monitoring and performance utility e 802 11a
52. y tems Ine Setup Wizard ver 1 1 Finalize Settings Revira the setlings below before compbeting the installation for tha WLAN Monitor Gick Back io change any settings or Next to compete pour installation Figure 5 7 After the files have been successfully copied the screen in Figure 5 8 will appear Click the Exit button v L INKSYS i Ine Setup Wizard ver 1 1 Congratulations The Dual Band Wireless A G Notebook adapter has been successfully configured Figure 5 8 Proceed to the next section Hardware Installation 13 Hardware Installation Chapter 6 Using the WLAN Monitor 1 T ff book PC urn off your noteboo for Windows 98 Me and 2000 2 Locate an available CardBus slot on your notebook PC Use the WLAN Monitor to check the link information search for available wireless networks or make additional configuration changes 3 With the Adapter s label facing up as shown in Figure 5 9 slide it completely into the CardBus slot Important for Windows XP users Windows XP has a built in configuration tool Use the Windows XP Wireless Zero Configuration in the system tray at the bottom of your screen to configure the Adapter See Chapter 4 Installation and Configuration for Windows XP Starting the WLAN Monitor i After installing the Adapter the Dual Band Wireless A G Figure 5 9 Notebook Adapter WLAN Monitor icon see Figure 6 1 will appear in the system tray which i
53. your wireless network must use the same WEP key to utilize WEP encryption If you wish to have the encryption key generated through a Passphrase it can be a maximum of 16 alphanumeric characters Type this in the Passphrase field and a key will be automatically generated This passphrase may not work with non Linksys products due to possible incompatibility with other vendors passphrase generators Click the Next button to continue or Back to chose a different security method LEAP Authentication R LINKSYS A Ghisin of Ciao Systeme WE Oe From the LEAP screen shown in Figure 6 8 complete the User Name and Password fields making sure to confirm the password jasswordteinm commie ere in the Confirm field If User tiame you do not know this information contact your network adminis trator Daal Band Wireless A G Notebook Acapter WLAN Monitor ver 11 Security Settings Figure 6 8 Click the Next button to complete the connection or Back to chose a different security method Click the X Close button in the upper right corner to exit the WLAN Monitor The Profiles screen shown in Figure 6 9 lets you save different configuration profiles for different network setups You can also import or export profiles The default profile holds the configuration saved when you installed the Adapter EE Dual Band Wireless A G Notebook Adapter WLAN Monitor ver 1 1 Profile SSID Type Profile Informatior GHz
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