LINKSYS WUSB54GS Wireless-G USB Network Adapter with Speedbooster User Manual Wusb54G ug Rev A

LINKSYS LLC Wireless-G USB Network Adapter with Speedbooster Wusb54G ug Rev A

User Manual

User GuideWireless-G USBNetwork Adapter with SpeedBoosterUse this Guide to install:WUSB54GS
COPYRIGHT & TRADEMARKS Specifications are subject to change without notice. Linksys is a registered trademark ortrademark 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 guarantees that every Wireless-G USB Network Adapter will be free from physi-cal defects in material and workmanship for three years from the date of purchase, whenused within the limits set forth in the Specifications section of this User Guide. If the prod-uct proves defective during this warranty period, call Linksys Technical Support in orderto obtain a Return Authorization number. BE SURE TO HAVE YOUR PROOF OF PUR-CHASE ON HAND WHEN CALLING. When returning a product, mark the ReturnAuthorization number clearly on the outside of the package and include a copy of youroriginal proof of purchase. RETURN REQUESTS CANNOT BE PROCESSED WITHOUTPROOF OF PURCHASE. All customers located outside of the United States of Americaand Canada shall be held responsible for shipping and handling charges.IN NO EVENT SHALL LINKSYS'S LIABILITY EXCEED THE PRICE PAID FOR THE PROD-UCT FROM 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, orfitness 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 P.O. Box 18558, Irvine, CA 92623. SAFETY AND REGULATORY NOTICESFCC STATEMENTThe Wireless-G USB Network Adapter has been tested and found to comply with thespecifications 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 maycause undesired operation.These limits are designed to provide reasonable protection against harmful interferencein 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 causeharmful interference to radio communications. However, there is no guarantee that inter-ference will not occur in a particular installation. If this equipment does cause harmfulinterference to radio or television reception, which is found by turning the equipment offand on, the user is encouraged to try to correct the interference by one or more of thefollowing measures:• Reorient or relocate the receiving antenna• Increase the separation between the equipment or devices• Connect the equipment to an outlet other than the receiver's• Consult a dealer or an experienced radio/TV technician for assistanceFCC Caution: Any change or modification to the product not expressly approved byLinksys could void the user's authority to operate the device.FCC RF Radiation Exposure StatementTo comply with the FCC and ANSI C95.1 RF exposure limits, the antenna(s) for thisdevice must comply with the following: •Access points with 2.4 GHz integrated antenna must operate with a sepa-ration distance of at least 20 cm from all persons using the cable provided and mustnot be co-located or operating in conjunction with any other antenna or transmitter.End-users must be provided with specific operations for satisfying RF exposuance. re compli-Note: antennas used for diversity operation are not considered co-located.Canadian Department of Communications Industry Canada (IC) NoticeThis Class B digital apparatus complies with Canadian ICES-003 and RSS-210.Cet appareil numérique de la classe B est conforme à la norme NMB-003 et CNR-210du 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 itstransmit antenna) that is installed outdoors is subject to licensing."" Pour empêcher que cet appareil cause du brouillage au service faisant l'objet d'unelicence, il doit être utilisé à l'intérieur et devrait être placé loin des fenêtres afin de fournirun écran de blindage maximal. Si le matériel (ou son antenne d'émission) est installé àl'extérieur, 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 InstantWireless®Series conform to the specifications listed below, following the provisions of theEuropean R&TTE directive 1999/5/EC, EMC directive 89/336/EEC, and Low Voltagedirective 73/23/EEC: For 2.4 GHz devices with 100 mW radios, the following standards were applied: • ETS 300-826, 301 489-1 General EMC requirements for Radio equipment.• EN 609 50 Safety• ETS 300-328-2 Technical requirements for Radio equipment.Caution: This equipment is intended to be used in all EU and EFTA countries. Outdooruse may be restricted to certain frequencies and/or may require a license for operation.Contact local Authority for pr ocedur e to follow . Cisco-Linksys, LLC declares that WUSB54GS ( FCCID: Q87-WUSB54GS ) is limited in CH1~CH11 by specified firmware controlled in U.S.A.
Note: Combinations of power levels and antennas resulting in a radiated power level ofabove 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 Europeancommunity and countries that have adopted the European R&TTE directive 1999/5/ECand/or the CEPT recommendation Rec 70.03. For more details on legal combinations of power levels and antennas, contact LinksysCorporate Compliance.• Linksys Group vakuuttaa täten että Wireless-G USB Network Adapter tyyppinen laiteon direktiivin 1999/5/EY, direktiivin 89/336/EEC ja direktiivin 73/23/EEC oleellistenvaatimusten ja sitä koskevien näiden direktiivien muiden ehtojen mukainen.• Linksys Group déclare que la Wireless-G USB Network Adapter est conforme auxconditions essentielles et aux dispositions relatives à la directive 1999/5/EC, la direc-tive 89/336/EEC, et à la directive 73/23/EEC.• Belgique B L'utilisation en extérieur est autorisé sur le canal 11 (2462 MHz), 12 (2467MHz), et 13 (2472 MHz). Dans le cas d'une utilisation privée, à l'extérieur d'un bâti-ment, au-dessus d'un espace public, aucun enregistrement n'est nécessaire pourune distance de moins de 300m. Pour une distance supérieure à 300m un enreg-istrement auprès de l'IBPT est requise. Pour une utilisation publique à l'extérieur debâtiments, 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 complétement libres d'utilisation en France (en utilisation intérieur).Pour ce qui est des autres canaux, ils peuvent être soumis à autorisation selon ledépartment. L'utilisation en extérieur est soumis à autorisation préalable et trèsrestreint. 2.4 GHz Band: only channels 10, 11, 12, 13 (2457, 2462, 2467, and 2472 MHzrespectively) may be used freely in France for indoor use. License required for out-door installations.• Deutschland D: Anmeldung im Outdoor-Bereich notwending, aber nicht genehmi-gungspflichtig. Bitte mit Händler die Vorgehensweise abstimmen.• Germany D: License required for outdoor installations. Check with reseller for proce-dure to follow.• Italia I: E' necessaria la concessione ministeriale anche per l'uso interno. Verificarecon i rivenditori la procedura da seguire. L'uso per installazione in esterni non e' per-messa.• Italy I: License required for indoor use. Use with outdoor installations not allowed.• The Netherlands NL License required for outdoor installations. Check with reseller forprocedure to follow.• Nederlands NL Licentie verplicht voor gebruik met buitenantennes. Neem contact opmet verkoper voor juiste procedure.WUSB54G-UG-3015A KLTable of ContentsChapter 1: Introduction 1The Wireless-G USB Network Adapter 1Features 1Chapter 2: Planning Your Wireless Network 2Network Topology 2Ad-Hoc versus Infrastructure Mode 2Chapter 3: Getting to Know theWireless-G USB Network Adapter 4The Adapter’s Ports 4The Adapter’s LEDs 4Chapter 4: Software Installationand Configuration for Windows 2000 5Chapter 5: Hardware Installation 9Connecting the Adapter 9Chapter 6: Driver Installation for Windows XP 11Windows XP Wireless Zero Configuration 12Chapter 7: Using the WLAN Monitor 14Overview 14Accessing the WLAN Monitor 14Link Information 15Site Survey 17Profiles 18Creating a New Profile 20
1Chapter 1: IntroductionConnect your USB-equipped desktop or notebook computer to a wireless net-work at incredible speeds with the Linksys Wireless-G USB Network Adapter.By incorporating two new, blazing fast technologies -- USB 2.0 and Wireless-G -- the Adapter delivers data rates up to 54Mbps (5 times as fast as 802.11b),without the trouble of opening up the case of your desktop computer.To install, simply plug the Adapter into any available USB port. (It's compati-ble with both USB 1.1 and 2.0 ports, but 2.0 will yield the fastest speeds.) Itgets its power through the USB connection, so no power cord is necessary. Theincluded Setup Wizard walks you through configuring the Adapter to yourwireless network settings, step by step. The Wireless-G USB Network Adapteris also compatible with the Wireless-B (802.11b) network standard, with datarates up to 11Mbps. And your wireless communications can be protected by128-bit encryption, so your data stays secure.The Wireless-G USB Network Adapter's high-gain antenna lets you put yourcomputer almost anywhere in the building, without the cost and hassle of run-ning cables. Now you don't have to drill holes in your walls and climb throughthe attic or cellar to get connected to the network. Once you're connected, youcan keep in touch with your e-mail, access the Internet, use instant messagingto chat with friends, and share files and other resources such as printers andhard disk storage space with other computers on the network.So don't hassle with running cables through your house -- get connected theeasy way with the Wireless-G USB Network Adapter.• Compatible with 802.11g and 802.11b (2.4GHz) Stardards• Support USB 2.0 with up to 54Mbps, High-Speed Data Transfer Rate withAutomatic Fallback• Plug-and-Play Operation Provides Easy Setup• Supports up to 128-bit WEP Encryption Security• Compatible with Microsoft Windows 2000 and XPAppendix A: Troubleshooting 26Common Problems and Solutions 26Frequently Asked Questions 27Appendix B: Glossary 30Appendix C: Specifications 38Environmental 39Appendix D: Warranty Information 40Appendix E: Contact Information 41The Wireless-G USB Network AdapterFeatures
If the wireless network is relatively small and needs to share resources onlywith the other computers on the wireless network, then the ad-hoc mode canbe 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 withcomputers on a wired network. And, of course, communication between thewireless-equipped computers is limited by the distance and interference direct-ly between them.32Figure 2-2Chapter 2: Planning Your WirelessNetworkA wireless local area network (WLAN) is exactly like a regular local area net-work (LAN), except that each computer in the WLAN uses a wireless device toconnect to the network. Computers in a WLAN share the same frequencychannel and SSID, which is an identification name for wireless devices.Unlike wired networks, wireless networks have two different modes in whichthey may be set up: infrastructure and ad-hoc. An infrastructure configura-tion is a WLAN and wired LAN communicating to each other through anaccess point. An ad-hoc configuration is wireless-equipped computers com-municating directly with each other. Choosing between these two modesdepends on whether or not the wireless network needs to share data or periph-erals with a wired network or not.If the computers on thewireless network need tobe accessed by a wirednetwork or need to share aperipheral, such as a print-er, with the wired networkcomputers, the wirelessnetwork should be set upin infrastructure mode.(See Figure 2-1.) Thebasis of infrastructuremode centers around anaccess point, which servesas the main point of communications in a wireless network. Access pointstransmit data to PCs equipped with wireless network cards, which can roamwithin a certain radial range of the access point. Multiple access points can bearranged to work in succession to extend the roaming range, and can be set upto communicate with your Ethernet (wired) hardware as well. Network TopologyAd-Hoc versus Infrastructure ModeFigure 2-1
5Chapter 4: Software Installation andConfiguration for Windows 2000The Wireless-G USB Network Adapter Setup Wizard will guide you throughthe installation procedure. The Setup Wizard will install the WLAN Monitorand driver, as well as configure the Adapter.1. Insert the Setup Wizard CD-ROM into your CD-ROM drive. The SetupWizard should run automatically, and Figure 4-1 should appear. If it doesnot, click the Start button and choose Run. In the field that appears, enterD:\setup.exe (if “D” is the letter of your CD-ROM drive).To install the Adapter, click the Install button on the Welcome screen. ClickUser Guide to view this User Guide or click Exit to exit the Setup Wizard.Figure 4-1Important: You must run the Setup Wizard to install the softwarebefore connecting the Adapter.4Chapter 3: Getting to Know theWireless-G USB Network AdapterThe Network Adapter is connected to your PC through its USB port. All poweris provided through the USB connection, making a power adapter unnecessary.The Network Adapter’s LEDs show you how the Adapter is functioning.Power Green. This LED will light up to let you know that the Adapter isadequately powered over the USB connection.Link Green. The Link LED will be lit steadily when the NetworkAdapter is connected to your wireless network. The LED willblink when there is wireless network traffic.The USB PortThe Adapter’s LEDs
764. If you choseInfrastructureMode, go to Step5now. If youchose Ad-HocMode, select thecorrect operatingchannel for yournetwork from theChannel drop-down menu.Then, select theNetwork Modefrom the drop-down menu.Click the Nextbutton, and go to Step 5. Click the Back button to change any settings.Channel - The channel you choose should match the channel set on theother devices in your wireless network. If you are unsure about which chan-nel to use, select the default channel (Channel 6).Network Mode - Keep the default setting, Mixed, if you have Wireless-Gand Wireless-B devices in your network. Select G-Only if you have onlyWireless-G devices in your network. 5. The Setup Wizardwill ask you toreview your set-tings before itstarts to copyfiles. Click theNext button tosave these set-tings, or click theBack button tochange any set-tings.Figure 4-4Figure 4-52. Read the License Agreement and click the Next button to continue theinstallation. Ifyou click theCancel button,you will end theinstallation.3. The following screen, shown in Figure 4-3, will ask for some informationabout your wireless network. In the SSID field, enter your network’s SSID(Service Set Identifier). The SSID is your network name and must be iden-tical for all devices in the network. The default setting is linksys (all low-ercase).Next, choose a wireless mode. Click the Infrastructure Mode radio buttonif you want your wireless computers to network with computers on yourwired network using a wireless access point. Click the Ad-Hoc Mode radiobutton if youwant multiplewireless com-puters to net-work directlywith each other.Click the Nextbutton to contin-ue, or click theBack button toreturn to theprevious page.Figure 4-2Figure 4-3
986. At this point, you may see a warn-ing screen, such as that shown inFigure 4-6 , asking if you’d like tocease installation. You can clickthe Yes button to continue; theAdapter will function properly.7. After the files have been successfully copied, the screen in Figure 4-7 willappear. Click the Exit button.Proceed to “Chapter 5: Hardware Installation.”Figure 4-6Figure 4-7Chapter 5: Hardware Installation1. The Adapter comes with the USB cable you will use to connect the Adapterto your PC. (See Figure 5-1.) 2. Connect one end of the USB cable to the USB port of the Adapter.3. Connect the other end of the USB cable to one of the USBports on your computer (see Figure 5-2).Figure 5-1Figure 5-2Connecting the AdapterWireless-G USBNetwork AdapterImportant for Windows 2000 users: You must run the Setup Wizardto install the software before installing the hardware.Important for Windows XP users: You must install the Adapter’shardware before installing the software.
Chapter 6: Driver Installation forWindows XPAfter connecting the Adapter toyour PC, as shown in Chapter 5,you’ll need to install the driver.1. Windows XP will automati-cally detect the Adapter.Insert the Setup CD-ROMinto the CD-ROM drive.Click the radio button next toInstall the software auto-matically (Recommended)(as shown in Figure 6-1).Then click the Next button.2. A screen similar to that shown inFigure 6-2 will appear, asking ifyou wish to discontinue installa-tion. This software has been test-ed and found to work properlywith Windows XP. Click theContinue Anyway button tocontinue installation.3. The next screen shows that theWizard is complete. Click theFinish button. The drivers arenow installed.11104. When Windows 2000 begins installing the Network Adapter’s driver file, ascreen similar to that shown in Figure 5-3 will appear, stating that a digitalsignature was not found. This software has been tested and found to workproperly with Windows 2000. Click the Ye s button to continue installation.If your PC is running Windows XP, proceed to “Chapter 6: DriverInstallation for Windows XP.”If your PC is running Windows 2000, the installation of the Wireless-BUSB Network Adapter is complete. If you want to check the link informa-tion, search for available wireless networks, or make additional configu-ration changes, proceed to “Chapter 7: Using the WLAN Monitor.”Figure 5-3Figure 6-2Figure 6-1Figure 6-3
13123. If WEP is enabled, thescreen in Figure 6-6 willappear. Enter the WEP keyof your wireless network inthe Network key field, andre-enter it in the Confirmnetwork key field. Then clickthe Connect button, and goto step 4.4. The screen in Figure 6-7 will appear if your connection is active.For more information about wireless networking on a Windows XP computer,click Start and then Help and Support. Enter the keyword wireless in thefield provided, and press the Enter key.Congratulations! The installation of the Wireless-G USB NetworkAdapter is complete.1. After installing the Adapter,the Windows XP WirelessZero Configuration iconwill appear in your comput-er’s system tray (see Figure6-4). Double-click the icon. 2. The screen that appears will show any available wireless network. Select the network you want. If this network has WEPencryption enabled, go tostep 3.If this network does nothave WEP encryptionenabled, then Figure 6-5will appear. Make sure thebox next to Allow me toconnect to the selectedwireless network, eventhough it is not secure ischecked. Then click theConnect button, and go tostep 4.Windows XP Wireless Zero ConfigurationNote for Windows XP users: Windows XP has a built-in configura-tion tool. Use Windows XP Wireless Zero Configuration (in the sys-tem tray at the bottom of your screen) to configure the Adapter.Figure 6-4Figure 6-6Note: Steps 2 and 3 are the instructions and screenshots for WindowsXP 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 encryptionenabled, enter the WEP key in the Network key field, and then clickthe Connect button.Note: Windows XP Wireless Zero Configuration does not support the use of a passphrase. Enter the exact WEP key used by your accesspoint.Figure 6-5Figure 6-7
The Link Information screen, shown again in Figure 7-3, displays the signalstrength and link quality information about the current connection and providesa button to click for additional status information. Ad-Hoc Mode or Infrastructure Mode - The screen indicates whether theAdapter is currently working in ad-hoc or infrastructure mode. Signal Strength - The Signal Strength bar indicates the signal strength. 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, shown on the following page and in Figure 7-4..Click the X (Close) button in the upper right corner to exit the WLAN Monitor.1514Link InformationFigure 7-3Chapter 7: Using the WLAN Monitor Use the WLAN Monitor to check the link information, search for availablewireless networks, or create profiles that hold different configuration settings.After installing the Adapter, the Wireless-G USB Network Adapter WLANMonitor icon will appear in your system tray. Double-click the icon (see Figure7-1).The Link Information screen will appear. (See Figure 7-2.) Fromthis screen, you can find out how strong the current wirelesssignal is and how good the connection’s quality is. You can alsoclick the More Information button to view additional statusinformation about the current wireless connection. To search foravailable wireless networks, click the Site Survey tab. To per-form configuration changes, click the Profiles tab. Figure 7-1Figure 7-2Accessing the WLAN MonitorOverview
1716The Site Survey screen, shown in Figure 7-5, displays a list of infrastructure andad-hoc networks available for connection. SSID - The SSID or unique name of the wireless network. Signal - The percentage of signal strength, from 0 to 100%.Site InformationWireless 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 wirelessdevices. 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.Figure 7-5Site SurveyWireless Network StatusStatus - 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.TCP/IP SettingIP 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.Signal Strength - The Signal Strength bar indicates the signal strength. Link Quality - The Link Quality bar indicates the quality of the wireless net-work connection.Click the Back button to return to the initial Link Information screen. Click theX (Close) button in the upper right corner to exit the WLAN Monitor.Figure 7-4
1918Import - Click theImport button toimport a profilethat has been savedin another location.Select the appropri-ate file, as shown inFigure 7-7, andclick the Open but-ton.Export - To savethe profile(s) in adifferent location,click the Exportbutton. DirectWindows to theappropriate folder,as shown in Figure7-8, and click theOK button.Delete - Click the Delete button to delete a profile. Click the X (Close) button in the upper right corner to exit the WLAN Monitor.Figure 7-7Figure 7-8Note: If you have more than one profile, you must Export them inorder to keep them saved.The Profiles screen, shown in Figure 7-6, lets you save different configurationprofiles for different network setups. You can also import or export profiles.The default profile holds the initial configuration saved when you ran the SetupWizard.Profile - Name of the connection profile.SSID - The wireless network’s unique name, as set in the connection profile.Profile InformationWireless Mode - The mode of the wireless network currently in use.Transfer Rate - The data transfer rate of the current connection. (In Automode, the Adapter dynamically shifts to the fastest data transfer rate possibleat 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 theprofile,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.Figure 7-6Profiles
3. The Network Setting screen, shown in Figure 7-11, will appear.If your network has a DHCP server (or Router), click the radio button nextto Obtain an IP address automatically (DHCP) and click the Next but-ton to continue.If your network does not have a DHCP server (or router), click the radiobutton next to Specify the IP address. Enter an IP Address, Subnet Mask,Default Gateway, and DNS appropriate for your network. Enter eachaddress in this format: xxx.xxx.xxx.xxx (the x’s represent the numbers thatmake up each address). You must specify the IP Address and Subnet Maskon this screen. If you are unsure about the Default Gateway and DNSaddresses, then leave these fields alone. Click the Next button to continue or the Cancel button to return to the pre-vious 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 wirednetwork’s Subnet Mask.Default Gateway - Enter the IP address of your network’s Gateway here. DNS - Enter the DNS addresses of your network here. 211. On the Profiles screen, shown again in Figure 7-9, click the New button tocreate a new profile.2. When the Create connection profile screen appears, enter a name for thenew profile. Click OK to save the profile name or click Cancel to return tothe previous screen.20Figure 7-11Figure 7-10Creating a New ProfileFigure 7-9
5. The Ad-Hoc Mode Settings screen, for those who chose an Ad-hoc network,will appear. Select the correct operating channel for your network from theChannel drop-down menu. Then, select the Network Mode from the drop-down menu. Click the Next button to continue or click the Back button tochange any settings.Channel - The channel you choose should match the channel set on theother devices in your wireless network. If you are unsure about which chan-nel to use, select the default channel (Channel 6).Network Mode - Select Mixed Mode, and both Wireless-G and Wireless-B computers will be allowed on the network, but the speed will be reduced.Select G-Only Mode for maximum speed, but no Wireless-B users will beallowed on the network. 6. The Security Settings screen, shown in Figure 7-14, will appear. Enable ordisable Wired Equivalent Privacy (WEP) encryption for your wireless net-work. If you enable WEP, enter a Passphrase or WEP key. Click the Nextbutton to continue or the Back button to return to the previous screen.234. The Wireless Mode screen, shown in Figure 7-12, shows a choice of twowireless modes. Click the Infrastructure Mode radio button if you wantyour wireless computers to communicate with computers on your wirednetwork via a wireless access point. Click the Ad-Hoc Mode radio buttonif you want multiple wireless computers to communicate directly with eachother. Click the Next button to continue or the Back button to return to theprevious screen.SSID - The SSID is the unique name shared among all devices in your wire-less network. The SSID must be identical for all devices in the wireless net-work. It is case-sensitive and must not exceed 32 alphanumeric characters,which can be any keyboard character.Infrastructure Mode - This mode allows wireless and wired networks tocommunicate 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.22Figure 7-13Figure 7-12
25WEP (Disabled/64-bit WEP/128-bit WEP) - If you do not want to useWEP encryption, choose Disabled. To use WEP encryption (recommendedto 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 aPassphrase, so that a WEP key is automatically generated. It is case-sensi-tive and should not be longer than 16 alphanumeric characters. Thispassphrase must match the passphrase of your wireless network and is com-patible with other Linksys wireless products only. (If you have any non-Linksys wireless products, enter the WEP key(s) manually on those prod-ucts.) WEP Key - This WEP key must match the WEP key of your wireless net-work. If you are using 64-bit WEP encryption, then the key must consist ofexactly ten hexadecimal characters. If you are using 128-bit WEP encryp-tion, then the key must consist of exactly 26 hexadecimal characters. Validhexadecimal characters are “0” to “9” and “A” to “F”.TX Key - This allows you to access different WEP keys used by differentrouters or access points in your network. Choose the TX Key used in thatnetwork. For instance, if the device uses TX Key 3, use TX Key 3. If you’renot using multiple WEP Keys, leave this set at 1.247. The Confirm New Settings screen will appear (shown in Figure 7-15). Tosave the new settings, click the Ye s button. To cancel the settings and returnto theProfilesscreen, clickthe Cancelbutton. Toedit the newsettings,click theBack but-ton.8. The Congratulations screen (Figure 7-16) will appear next. Click Activatenew settings now to implement the new settings immediately and return tothe Link Information screen. Click Activate new settings later to keep thecurrent settings active, and return to the Profiles screen so that you can edityour profileor createanother pro-file. You have successfully created a connection profile. Click the X (Close) but-ton in the upper right corner to exit the WLAN Monitor.Figure 7-15Figure 7-16Figure 7-14
Can I 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 anetwork. Consult the application’s user guide to determine if it supports operationover a network.Can I 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 802.11b standard?It is one of the IEEE standards for wireless networks. The 802.11b standard allowswireless networking hardware from different manufacturers to communicate, pro-vided that the hardware complies with the 802.11b standard. The 802.11b standardstates a maximum data transfer rate of 11Mbps and an operating frequency of2.4GHz.What IEEE 802.11b features are supported?The product supports the following IEEE 802.11b functions: • CSMA/CA plus Acknowledge protocol • Multi-Channel Roaming • Automatic Rate Selection • RTS/CTS feature • Fragmentation • Power Management What is ad-hoc mode?When a wireless network is set to ad-hoc mode, the wireless-equipped computersare configured to communicate directly with each other. The ad-hoc wireless net-work will not communicate with any wired network. What is infrastructure mode?When a wireless network is set to infrastructure mode, the wireless network isconfigured to communicate with a wired network through a wireless access point.What is roaming?Roaming is the ability of a portable computer user to communicate continuouslywhile moving freely throughout an area greater than that covered by a singleaccess point. Before using the roaming function, the workstation must make surethat it is the same channel number with the access point of dedicated coveragearea. 27Appendix A: TroubleshootingThis chapter provides solutions to problems that may occur during the installa-tion and operation of the Wireless-G USB Network Adapter. Read the descrip-tions below to solve your problems. If you can’t find an answer here, check theLinksys website at www.linksys.com.1.My computer does not recognize the USB Network Adapter.• Make sure that the USB Network Adapter is properly inserted into the USBport.• Also, make sure that the USB Controller is enabled in the BIOS. Check withyour motherboard User Guide for more information.2.The USB Network Adapter does not work properly.• Reinsert the USB Network Adapter into the notebook or desktop’s USB port. • Right-click on My Computer, and select Properties. Select the Adapter,then chose the Device Manager tab, and click on the Network Adapter. Youwill find the USB Network Adapter if it is installed successfully. If you seea yellow exclamation mark, the resources may be conflicting and you mustfollow the steps below:• Uninstall the driver software from your PC.• Restart your PC and repeat the hardware and software installation asspecified in this User Guide.3.I cannot communicate with the other computers linked via Ethernet in theInfrastructure configuration.• Make sure that the notebook or desktop is powered on.• Make sure that your USB Network Adapter is configured on the same chan-nel, SSID, and WEP as the other computers in the Infrastructure configura-tion.26Frequently Asked QuestionsCommon Problems and Solutions
2928Direct-Sequence Spread-Spectrum (DSSS) generates a redundant bit patternfor each bit to be transmitted. This bit pattern is called a chip (or chippingcode). The longer the chip, the greater the probability that the original data canbe recovered. Even if one or more bits in the chip are damaged during trans-mission, statistical techniques embedded in the radio can recover the originaldata without the need for retransmission. To an unintended receiver, DSSSappears as 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 withDirect 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-bitor 128-bit shared key algorithm, as described in the IEEE 802.11 standard.To achieve true seamless connectivity, the wireless LAN must incorporate anumber of different functions. Each node and access point, for example, mustalways acknowledge receipt of each message. Each node must maintain contactwith the wireless network even when not actually transmitting data. Achievingthese functions simultaneously requires a dynamic RF networking technologythat 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 suchfactors as signal strength and quality, as well as the message load currentlybeing carried by each access point and the distance of each access point to thewired backbone. Based on that information, the node next selects the rightaccess point and registers its address. Communications between end node andhost computer can then be transmitted up and down the backbone.As the user moves on, the end node’s RF transmitter regularly checks the sys-tem to determine whether it is in touch with the original access point or whetherit should seek a new one. When a node no longer receives acknowledgmentfrom its original access point, it undertakes a new search. Upon finding a newaccess 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 bandwidthfor unlicensed use in the ISM (Industrial, Scientific and Medical) band.Spectrum in the vicinity of 2.4 GHz, in particular, is being made availableworldwide. This presents a truly revolutionary opportunity to place convenienthigh-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 thecase of narrowband transmission, but the trade-off produces a signal that is, ineffect, louder and thus easier to detect, provided that the receiver knows theparameters of the spread-spectrum signal being broadcast. If a receiver is nottuned to the right frequency, a spread-spectrum signal looks like backgroundnoise. 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 thatchanges frequency in a pattern that is known to both transmitter and receiver.Properly synchronized, the net effect is to maintain a single logical channel. Toan unintended receiver, FHSS appears to be short-duration impulse noise.
3130Bit - A binary digit. The value - 0 or 1-used in the binary numbering system.Also, the smallest form of data.CSMA/CA (Carrier Sense Multiple Access/Collision Avoidance) - In localarea 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. This works best ifthe time allocated is short compared to packet length and if the number of sit-uations is small.CSMA/CD (Carrier Sense Multiple Access/Collision Detection) - The LANaccess method used in Ethernet. When a device wants to gain access to the net-work, it checks to see if the network is quiet (senses the carrier). If it is not, itwaits a random amount of time before retrying. If the network is quiet and twodevices access the line at exactly the same time, their signals collide. When thecollision is detected, they both back off and each wait a random amount of timebefore retrying.CTS (Clear To Send) - An RS-232 signal sent from the receiving station to thetransmitting station that indicates it is ready to accept data.Default Gateway - The routing device used to forward all traffic that is notaddressed to a station within the local subnet.DHCP (Dynamic Host Configuration Protocol) - A protocol that lets networkadministrators manage centrally and automate the assignment of InternetProtocol (IP) addresses in an organization's network. Using the Internet's set ofprotocol (TCP/IP), each machine that can connect to the Internet needs aunique 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 IPaddress must be entered. DHCP lets a network administrator supervise and dis-tribute IP addresses from a central point and automatically sends a new IPaddress when a computer is plugged into a different place in the network. DHCP uses the concept of a "lease" or amount of time that a given IP addresswill be valid for a computer. The lease time can vary depending on how long auser is 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 networksin which there are more computers than there are available IP addresses. Appendix B: Glossary802.11b - 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 standardspecifies a maximum data transfer rate of 11Mbps, an operating frequency of2.4GHz, and WEP encryption for security. 802.11b networks are also referredto as Wi-Fi networks.802.11g - A proposed, but as yet unratified extension of the IEEE 802.11 stan-dard for wireless networking hardware. The draft 802.11g specifications usedby Linksys specify a maximum data transfer rate of 54Mbps using OFDMmodulation, an operating frequency of 2.4GHz, backward compatibility withIEEE 802.11b devices, and WEP encryption for security.Adapter - Printed circuit board that plugs into a PC to add to capabilities orconnectivity to a PC. In a networked environment, a network interface card isthe typical adapter that allows the PC or server to connect to the intranet and/orInternet.Ad-hoc Network - An ad-hoc network is a group of computers, each with awireless adapter, connected as an independent 802.11 wireless LAN. Ad-hocwireless computers operate on a peer-to-peer basis, communicating directlywith each other without the use of an access point. Ad-hoc mode is alsoreferred to as an Independent Basic Service Set or as peer-to-peer mode.Automatic Fall-back - A feature provided by some wireless products toincrease connection reliability. Automatic fall-back enables a device to dynam-ically shift between various data transfer rates. It works by decreasing the datatransfer rate when interference increases, distance increases, and other factorsundermine signal strength and quality.Backbone - The part of a network that connects most of the systems and net-works together and handles the most data.Bandwidth - The transmission capacity of a given facility, in terms of howmuch data the facility can transmit in a fixed amount of time; expressed in bitsper second (bps).
3332Fragmentation - Breaking a packet into smaller units when transmitting overa network medium that cannot support the original size of the packet. Gateway - A device that interconnects networks with different, incompatiblecommunications 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 computerfrom the program you put in it to make it do things. The program came to beknown as the software.Hop - The link between two network nodes.IEEE (The Institute of Electrical and Electronics Engineers) - The IEEEdescribes itself as "the world's largest technical professional society, promotingthe development and application of electrotechnology and allied sciences forthe benefit of humanity, the advancement of the profession, and the well-beingof our members." The IEEE fosters the development of standards that often become national andinternational standards. The organization publishes a number of journals, hasmany local chapters, and several large societies in special areas, such as theIEEE Computer Society.Infrastructure Network - An infrastructure network is a group of computersor other devices, each with a wireless adapter, connected as an 802.11 wirelessLAN. In infrastructure mode, the wireless devices communicate with eachother 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 aBasic Service Set. A set of two or more BSS in a single network is referred toas an Extended Service Set. Infrastructure mode is useful at a corporationscale, 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 onecomputer to another on the Internet. It is a standard set of rules, procedures, orconventions relating to the format and timing of data transmission between twocomputers 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 orreceiver of information that is sent in packet across the Internet. When youDHCP supports static addresses for computers containing Web servers thatneed a permanent IP address. DNS - The domain name system (DNS) is the way that Internet domain nameare located and translated into Internet Protocol (IP) addresses. A domain nameis a meaningful and easy-to-remember "handle" for an Internet address. Domain - A subnetwork comprised of a group of clients and servers under thecontrol of one security database. Dividing LANs into domains improves per-formance and security.Driver - A workstation or server software module that provides an interfacebetween a network interface card and the upper-layer protocol software runningin the computer; it is designed for a specific device, and is installed during theinitial installation of a network-compatible client or server operating system.DSSS (Direct-Sequence Spread Spectrum) - DSSS generates a redundant bitpattern for all data transmitted. This bit pattern is called a chip (or chippingcode). Even if one or more bits in the chip are damaged during transmission,statistical techniques embedded in the receiver can recover the original datawithout the need for retransmission. To an unintended receiver, DSSS appearsas low power wideband noise and is rejected (ignored) by most narrowbandreceivers. However, to an intended receiver (i.e. another wireless LAN end-point), the DSSS signal is recognized as the only valid signal, and interferenceis inherently rejected (ignored).Encryption - A security method that applies a specific algorithm to data inorder to alter the data's appearance and prevent other devices from reading theinformation. Ethernet - IEEE standard network protocol that specifies how data is placedon and retrieved from a common transmission medium. Has a transfer rate of10 Mbps. Forms the underlying transport vehicle used by several upper-levelprotocols, including TCP/IP and XNS.FHSS (Frequency Hopping Spread Spectrum) - FHSS continuously changes(hops) the carrier frequency of a conventional carrier several times per secondaccording to a pseudo-random set of channels. Because a fixed frequency is notused, and only the transmitter and receiver know the hop patterns, interceptionof FHSS is extremely difficult.
OFDM - Developed for wireless applications, Orthogonal Frequency DivisionMultiplexing (OFDM) technology offers superior performance--increased datarates and more reliable transmissions--than previous technologies, such asDSSS. OFDM is a scheme in which numerous signals of different frequenciesare 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 speedstream is used to modulate a subcarrier. Essentially, this creates a multi-carriertransmission by dividing a wide frequency band or channel into a number ofnarrower frequency bands or sub-channels. OFDM is also used for other appli-cations, including powerline networking.Packet - A unit of data routed between an origin and a destination in a network.Packet Filtering - Discarding unwanted network traffic based on its originatingaddress or range of addresses or its type (e-mail, file transfer, etc.). Passphrase - Used much like a password, a passphrase simplifies the WEPencryption process by automatically generating the WEP encryption keys forLinksys products.Plug-and-Play - The ability of a computer system to configure expansionboards and other devices automatically without requiring the user to turn offthe system during installation.Port - A pathway into and out of the computer or a network device. For exam-ple, the serial and parallel ports on a personal computer are external sockets forplugging in communications lines, modems and printers. 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 transparentlyreassociate and reauthenticate to the new access point. This reassociation andreauthentication should occur without user intervention and ideally withoutinterruption to network connectivity. A typical scenario would be a locationwith multiple access points, where users can physically relocate from one areato another and easily maintain connectivity.RTS (Request To Send) - An RS-232 signal sent from the transmitting stationto the receiving station requesting permission to transmit. 3534request an HTML page or send e-mail, the Internet Protocol part of TCP/IPincludes your IP address in the message (actually, in each of the packets if morethan one is required) and sends it to the IP address that is obtained by lookingup the domain name in the Uniform Resource Locator you requested or in thee-mail address you're sending a note to. At the other end, the recipient can seethe IP address of the Web page requestor or the e-mail sender and can respondby sending another message using the IP address it received. ISM band - The FCC and their counterparts outside of the U.S. have set asidebandwidth 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.LAN (Local Area Network) - A group of computers and associated devices thatshare a common communications line and typically share the resources of asingle processor or server within a small geographic area (for example, withinan office building). MAC (Media Access Control) Address - A unique number assigned by themanufacturer to any Ethernet networking device, such as a network adapter,that allows the network to identify it at the hardware level.Mbps (Megabits per second) - One million bits per second; unit of measure-ment for data transmission.Motherboard - A motherboard is the physical arrangement in a computer thatcontains the computer's basic circuitry and components. Network - A system that transmits any combination of voice, video and/or databetween users. Node - A network junction or connection point, typically a computer or workstation.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, temporaryoffices, 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.
of the data (routing), TCP takes care of keeping track of the individual units ofdata (called packets) that a message is divided into for efficient delivery overthe network. TCP is known as a "connection oriented" protocol due to requir-ing the receiver of a packet to return an acknowledgment of receipt to thesender 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 ofprotocols and not only TCP and IP.Topology - A network's topology is a logical characterization of how thedevices on the network are connected and the distances between them. Themost 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-areaconnections.USB (Universal Serial Bus) - A "plug-and-play" interface between a comput-er and peripherals, such as digital cameras, scanners, game controllers, speak-ers, keyboards, portable data storage, or printers. With USB, you can add a newperipheral to your computer without having to add an adapter card or poweringdown the computer. USB also supports hot-swapping, the addition or removalof devices while the computer is running.USB 1.1-compliant devices support data rates of 1.5Mbps (low-speed) and upto 12Mbps (full-speed). USB 2.0-compliant devices are backward compatiblewith earlier USB devices, and they support data rates of 1.5Mbps (low-speed),12Mbps (full-speed), and up to 480Mbps (high-speed).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.37Server - Any computer whose function in a network is to provide user accessto files, printing, communications, and other services. Software - Instructions for the computer. A series of instructions that performsa particular task is called a "program." The two major categories of software are"system software" and "application software." System software is made up ofcontrol programs such as the operating system and database management sys-tem (DBMS). Application software is any program that processes data for theuser.A common misconception is that software is data. It is not. Software tells thehardware 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 efficiencyfor reliability, integrity, and security. In other words, more bandwidth is con-sumed than in the case of narrowband transmission, but the trade off producesa signal that is, in effect, louder and thus easier to detect, provided that thereceiver knows the parameters of the spread-spectrum signal being broadcast.If a receiver is not tuned to the right frequency, a spread-spectrum signal lookslike background noise. There are two main alternatives, Direct SequenceSpread Spectrum (DSSS) and Frequency Hopping Spread Spectrum (FHSS).SSID (Service Set IDentifier) - A unique name shared among all points in awireless network. The SSID must be identical for each point in the wireless net-work and is case-sensitive. Storage - The semi-permanent or permanent holding place for digital data. 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 IPaddress to turn part of the host ID address field into a field for subnets. Switch - 1. A data switch connects computing devices to host computers,allowing a large number of devices to share a limited number of ports. 2. Adevice for making, breaking, or changing the connections in an electrical cir-cuit.TCP (Transmission Control Protocol) - A method (protocol) used along withthe IP (Internet Protocol) to send data in the form of message units (datagram)between network devices. While IP takes care of handling the actual delivery36
Dimensions 3.58" x 2.8" x 0.91" (91 mm x 71 mm x 23 mm)Unit Weight .18 lbs. (.08 kg)Certifications FCCOperating Temp. 32ºF to 104ºF (0ºC to 40ºC) Storage Temp. 0ºF to 70ºF (-40ºC to 185ºC) Operating Humidity 10% to 85%, Non-CondensingStorage Humidity 5% to 90%, Non-Condensing 3938EnvironmentalAppendix C: SpecificationsStandards IEEE 802.11b, IEEE 802.11g, USB 1.1, USB 2.0Ports USB PortChannels 802.11b/ 802.11g11 Channels (US, Canada)13 Channels (Europe)14 Channels (Japan)LEDs Power, LinkTransmitted Power 16dBm (Typical)@11M CCK,14dBm (Typical)@54M OFDMReceive Sensitivity -65dBm@54MbpsAntenna0dBiSecurity Features WEP EncryptionWEP key bits 64, 128-bitWarranty 3 Year
4140Appendix E: Contact InformationFor help with the installation or operation of the Wireless-G USB NetworkAdapter, contact Linksys Technical Support at one of the phone numbers orInternet addresses below.Sales Information 800-546-5797 (LINKSYS)Technical Support 800-326-7114RMA (Return MerchandiseAuthorization) Issues www.linksys.com (or call 949-271-5461)Fax 949-265-6655E-mail support@linksys.comWeb http://www.linksys.comFTP Site ftp.linksys.comAppendix D: Warranty InformationBE SURE TO HAVE YOUR PROOF OF PURCHASE AND A BARCODEFROM THE PRODUCT’S PACKAGING ON HAND WHEN CALLING.RETURN REQUESTS CANNOT BE PROCESSED WITHOUT PROOF OFPURCHASE. IN NO EVENT SHALL LINKSYS’ LIABILITY EXCEED THE PRICE PAIDFOR THE PRODUCT FROM DIRECT, INDIRECT, SPECIAL, INCIDEN-TAL, OR CONSEQUENTIAL DAMAGES RESULTING FROM THE USEOF 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 PAYSFOR UPS GROUND ONLY. ALL CUSTOMERS LOCATED OUTSIDE OFTHE UNITED STATES OF AMERICA AND CANADA SHALL BE HELDRESPONSIBLE FOR SHIPPING AND HANDLING CHARGES. PLEASECALL LINKSYS FOR MORE DETAILS.
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