Alpha Networks P0603038 802.11 b/g WLAN PCI Card User Manual dwl520d1 manual 100 061703

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ManualD-Link AirPlus G DWL-G520iHigh-Speed 802.11gBuilding Networks for PeopleTM Wireless PCI AdapterRev. A1

2ContentsPackage Contents ................................................................................3Introduction............................................................................................4Wireless Basics ....................................................................................6Getting Started ......................................................................................9Using the Configuration Utility ..............................................................12Networking Basics ..............................................................................26Troubleshooting...................................................................................39Technical Specifications ......................................................................44Contacting Technical Support ..............................................................46Warranty and Registration ...................................................................47

3Package ContentsSystem Requirements:Windows XP/2000/Me/98SE! A computer or laptop with an available 32-bit PCI slot!At least 32 MB of memory and a 300 MHz processor!An 802.11g or 802.11b Access Point (for Infrastructure mode), oranother 802.11g or 802.11b wireless adapter (for Ad-Hoc, Peer-to-Peer networking mode).!Contents of Package:D-Link AirPlus G DWL-G520i High-Speed 2.4 GHz/802.11g Wireless PCI AdapterManual and Drivers on CDQuick Installation GuideIf any of the above items are missing, please contact your reseller.!!!TM

4IntroductionThe DWL-G520i has the newest, strongest, and most advanced security features availabletoday. When used with other 802.11 WPA (Wi-Fi Protected Access) and 802.1x compatibleproducts in a network with a RADIUS server, the security features include:WPA: Wi-Fi Protected Access which authorizes and identifies users based on a secretkey that changes automatically at regular intervals. WPA uses TKIP (TemporalKey Integrity Protocol) to change the temporal key every 10,000 packets (apacket is a kind of message transmitted over a network.) This ensures muchgreater security than the standard WEP security. (By contrast, the older WEPencryption required the keys to be changed manually.)802.1x: Authentication which is a first line of defense against intrusion. In theauthentication process, the Authentication Server* verifies the identity of theclient attempting to connect to the network. Unfamiliar clients would be deniedaccess.For home users that will not incorporate a RADIUS server in their network, the securityfor the DWL-G520i, used in conjunction with other WPA-compatible 802.11 products, willstill be much stronger than ever before. Utilizing the Pre Shared Key mode of WPA,the DWL-G520i will obtain a new security key every time it connects to the 802.11network. You only need to input your encryption information once in the configurationmenu. No longer will you have to manually input a new WEP key frequently to ensuresecurity. With the DWL-G520i, you will automatically receive a new key every time youconnect, vastly increasing the safety of your communication.* Not all servers can provide Authentication.The D-Link AirPlus G DWL-G520i Wireless PCI Adapter is an 802.11g high-perfor-mance, wireless adapter that supports high-speed wireless networking at home,at wo-rk or in public places.Unlike most network cards, the DWL-G520i provides data transfers at up to 54 Mbps.The 802.11g standard is backwards compatible with 802.11b products.TM

5Features & Benefits!Fully compliant with the 802.11b standard and interoperable with allexisting 802.11b-compliant and 802.11g compliant devices!Operates in the 2.4GHz frequency range!Maximum reliability, throughput and connectivity with automatic data rateswitching!High Performance 32-bit PCI - The high capacity PCI interface utilized by theDWL-G520i ensures optimal performance in transmitting a wireless signal withinthe desktop computer. By utilizing a standard PCI 2.2 interface, the DWL-G520iensures a wide range of compatibility with motherboards used by PC manufac-turers! Quick and Easy Installation- The DWL-G520i installs quickly and easily into astandard PCI 2.2 slot in a desktop computer. By following the simple stepsoutlined in the Quick Installation Guide, you can connect to an available wire-less network in a matter of secondsStronger Security than ever before with WPA - Wi-Fi Protected Accessauthorizes and identifies users based on a secret key that changes automati-cally at regular intervals, for example:!!TKIP (Temporal Key Integrity Protocol), in conjunction with a RADIUSserver, changes the temporal key every 10,000 packets, ensuring greatersecurityPre-Shared Key mode means that the home user, without a RADIUSserver, will obtain a new security key every time he or she connects tothe network, vastly improving the safety of communications on the net-work!Extra Protection - 802.1x Authentication in conjunction with the RADIUSserver verifies the identity of wireless clients wishing to gain access to theWLAN!Provides a measure of security for the information transmitted over awireless network with high data encryption at 64-, 128-, and 152-bit WEP!Supports Infrastructure networks via an access point and Peer-to-Peercommunication in Ad-Hoc mode!!User-friendly configuration and diagnostic utilitiesFive times faster - achieve data transfer speeds up to 54 Mbps; up to 5xfaster than conventional 802.11b networks, when used with other 802.11gdevices!!Provides a simple and inexpensive way to connect your desktop com-puter to a wireless network at home, at the office, or in public places

6Wireless BasicsD-Link wireless products are based on industry standards to provide easy-to-use andcompatible high-speed wireless connectivity within your home, business or public accesswireless networks. D-Link wireless products will allow you access to the data you want,when and where you want it. You will be able to enjoy the freedom that wireless networkingbrings.A Wireless Local Area Network (WLAN) is a computer network that transmits and receivesdata with radio signals instead of wires. WLANs are used increasingly in both home andoffice environments, and public areas such as airports, coffee shops and universities.Innovative ways to utilize WLAN technology are helping people to work and communicatemore efficiently. Increased mobility and the absence of cabling and other fixedinfrastructure have proven to be beneficial for many users.Wireless users can use the same applications they use on a wired network. Wirelessadapter cards used on laptop and desktop systems support the same protocols asEthernet adapter cards.People use WLAN technology for many different purposes:Mobility - Productivity increases when people have access to data in any locationwithin the operating range of the WLAN. Management decisions based on real-timeinformation can significantly improve worker efficiency.Low Implementation Costs – WLANs are easy to set up, manage, change andrelocate. Networks that frequently change can benefit from WLANs ease of implementation.WLANs can operate in locations where installation of wiring may be impractical.Installation and Network Expansion - Installing a WLAN system can be fastand easy and can eliminate the need to pull cable through walls and ceilings. Wirelesstechnology allows the network to go where wires cannot go - even outside the home oroffice.Scalability – WLANs can be configured in a variety of ways to meet the needs ofspecific applications and installations. Configurations are easily changed and rangefrom peer-to-peer networks suitable for a small number of users to larger infrastructurenetworks to accommodate hundreds or thousands of users, depending on the number ofwireless devices deployed.Inexpensive Solution - Wireless network devices are as competitively priced asconventional Ethernet network devices.

7Wireless Basics (continued)Standards-Based TechnologyThe DWL-G520i Wireless PCI Adapter utilizes the new 802.11g standard.The IEEE 802.11g standard is an extension of the 802.11b standard. It increases thedata rate up to 54 Mbps within the 2.4GHz band, utilizing OFDM technology.This means that in most environments, within the specified range of this device, you willbe able to transfer large files quickly or even watch a movie in MPEG format over yournetwork without noticeable delays. This technology works by transmitting high-speeddigital data over a radio wave utilizing OFDM (Orthogonal Frequency Division Multiplexing)technology. OFDM works by splitting the radio signal into multiple smaller sub-signalsthat are then transmitted simultaneously at different frequencies to the receiver. OFDMreduces the amount of crosstalk (interference) in signal transmissions. The D-Link DWL-G520 will automatically sense the best possible connection speed to ensure the greatestspeed and range possible.802.11g offers the most advanced network security features available today, including:WPA , 802.1x, TKIP, AES and Pre-Shared Key mode. These security features areexplained in more detail in the Introduction and the Features section of this manual.The DWL-G520i is backwards compatible with 802.11b devices. This means that if youhave an existing 802.11b network, the devices in that network will be compatible with802.11g devices at speeds up to 11Mbps in the 2.4GHz range.The DWL-G520i is compatible with 802.11g and 802.11b wireless products, which include:D-Link Air DWL-650,D-Link AirPlus DWL-650+,D-Link AirPlus Xtreme G DWL-G6502.4GHz Wireless Cardbus Adapter used with laptop computersD-Link Air DWL-520, D-Link AirPlus DWL-520+2.4GHz Wireless PCI cards used with desktop computersD-Link AirPlus DWL-900AP+, D-Link AirPlus Xtreme G DWL-2000AP2.4GHz Wireless Access PointsD-Link AirPlus DI-614+, DI-714P+2.4GHz Wireless Routers!!!!TMTM

8Installation ConsiderationsThe D-Link AirPlus GTM DWL-G520i lets you access your network using awireless connection from virtually anywhere within its operating range. Keep in mind,however, that the number, thickness and location of walls, ceilings, or other objects thatthe wireless signals must pass through, may limit the range. Typical ranges vary dependingon the types of materials and background RF (radio frequency) noise in your home orbusiness. The key to maximizing wireless range is to follow these basic guidelines:Keep your product away (at least 3-6 feet or 1-2 meters) from electricaldevices or appliances that generate RF noise.4Keep the number of walls and ceilings between the DWL-G520i and other networkdevices to a minimum - each wall or ceiling can reduce your DWL-G520i’srange from 3-90 feet (1-30 meters.) Position your devices so that the number ofwalls or ceilings is minimized.1Be aware of the direct line between network devices. A wall that is 1.5 feet thick(.5 meters), at a 45-degree angle appears to be almost 3 feet (1 meter) thick. Ata 2-degree angle it looks over 42 feet (14 meters) thick! Position devices sothat the signal will travel straight through a wall or ceiling (instead of at anangle) for better reception.2Building materials can impede the wireless signal - a solid metal door or aluminumstuds may have a negative effect on range. Try to position wireless devices andcomputers with wireless adapters so that the signal passes through drywall oropen doorways and not other materials.3Wireless Basics (continued)

9LEDsLED stands forLight-EmittingDiode.Getting Started With its default settings, the DWL-G520i, when activated, will connectwith other D-Link AirPlus G TM products, right out of the box.Power: Solid green light indicates connection to the networkNetwork: Blinking green light indicates activity on the networkThere are basically two modes of networking:Infrastructure – using an Access Point or Router, such asthe DI-624Ad-Hoc – directly connecting to another computer, for peer-to-peer communication, using wireless network adapters oneach computer, such as two or more DWL-G520i wirelessnetwork adaptersOn the following pages we will show you an example of an Infrastructure Networkand an Ad-Hoc Network.An Infrastructure network contains an Access Point or Router. The InfrastructureNetwork example shown on the following page contains the following D-Link networkdevices (your existing network may be comprised of other devices):!!A wireless Router - D-Link AirPlus Xtreme G DI-624A desktop computer with a wireless adapter -D-Link AirPlus GTM DWL-G520i, D-Link Air DWL-520,or D-Link AirPlus DWL-520+(D-Link Air devices have speeds up to 11Mbps)A Cable modem - D-Link DCM-201!!!TM

10Please remember that D-Link AirPlus GTM wireless devices are pre-configuredto connect together, right out of the box, with their default settings.Getting Started (continued)For a typical wireless setup at home (as shown above), please do the following:Setting up a Wireless Infrastructure Network4213657You will need broadband Internet access (a Cable or DSL-subscriber line intoyour home or office).Consult with your Cable or DSL provider for proper installation of the modem.Connect the Cable or DSL modem to your broadband router (see the QuickInstallation Guide included with your router.)Install the D-Link AirPlus GTM DWL-G520i Wireless PCI Adapter into anavailable PCI slot on your desktop computer. (See the Quick Installation Guideincluded with the DWL-G520i.)Install the D-Link AirPlus Xtreme G DWL-G650 Wireless PC Card Adapterinto a laptop computer.(See the Quick Installation Guide included with the DWL-G650.)If you wish, you may connect a computer that is equipped with an Ethernetnetwork adapter (such as a DFE-530TX+) to the router also.A RADIUS Server is optional. Connect a RADIUS Server to your network to useall the features of WPA. (Without a RADIUS Server you can still use the WPAPre-Shared Key mode.) RADIUS Authentication can also be provided by anotherservice provider over the Internet and remote to your network site.TM

11Getting Started (continued)Setting up a Wireless Ad Hoc NetworkInstall the DWL-G520i into the desktop computer.(See the Quick Installation Guide included with the product forinstallation instructions.)Install the DWL-G650 Wireless PC Card Adapter into a laptop computer.(See the Quick Installation Guide included with the product.)Set the wireless configuration for the adapters to Ad-Hoc mode, set theadapters to the same channel, and assign an IP Address to eachcomputer on the Ad-Hoc network. (See Box below).IP AddressDesktopWhen assigning IP Addresses to the computers on the network, please rememberthat the IP Address for each computer must be in the same IP Address rangeas all the computers in the network, and the subnet mask must be exactly thesame for all the computers in the network.For example: If the first computer is assigned an IP Address of 192.168.0.2 with aSubnet Mask of 255.255.255.0, then the second computer can be assigned an IPAddress of 192.168.0.3 with a Subnet Mask of 255.255.255.0, etc.IMPORTANT: If computers or other devices are assigned the same IP Address,one or more of the devices may not be visible on the network.D-Link AirPlus Xtreme GDWL-G650TMD-Link AirPlus GDWL-G520TM

12Select the Wireless Networks tab.Uncheck the box in the properties windowthat enables windows configuration.D-Link AirPlus GTM DWL-G520i uses the Configuration Utility as the mana-gement software. The utility provides the user an easy interface to change any sett-ings related to the wireless adapter. After you have completed the installation of theDWL-G520i (refer to the Quick Installation Guide that came with your purchase) wheneveryou start the computer, the Configuration Utility starts automatically and the systemtray icon is loaded in the toolbar (see illustration below*.) Clicking on the utility icon willstart the Configuration Utility. Another way to start the Configuration Utility is toclick on Start>Programs>D-Link AirPlus G>D-Link AirPlus G Utility.Using the Configuration UtilityIf you are using Windows XP, you can use either the Zero Configuration Utility or theD-Link Configuration Utility.If the icon does not display in the taskbar, then click onthis icon on your desktop to open.To use the D-Link Configuration Utility with XP, right-clickon the Wireless network icon in the taskbar in the lowerright-hand corner of your computer screen.In the window that appears, select ViewAvailable Wireless Networks and clickthe Advanced button. The screen at rightwill appear.After you have done this, you can then use the D-LinkConfiguration Utility with XP by clicking on the D-LinkConfiguration Utility icon. *Configuration Utility iconin the system tray

13Link InfoUsing the Configuration Utility (continued)After clicking on the Configuration Utility icon, the Link Info screen will display thesettings for the DWL-G520i:SSID:The Service Set Identifier is the nameassigned to the wireless network.The factory SSID setting is default.Tx Rate:Tx Rate settings are automatically determined for an optimal speed up to a maximumof 54Mbps.Status:Displays the MAC Address of theAccess Point or Router to which theDWL-G520i is associatedChannel:The channel selection is automatically determined by the DWL-G520i.Signal Strength:Packet Count:Displays the statistics of the data packets that are transmitted and received.Frequency:802.11g indicates that the DWL-G520 is communicating in the2.4GHz band.Encryption:You can see if WEP (Wired Equivalent Privacy) is Enabled or Disabled here.Wireless Mode:Either Infrastructure or Ad-Hoc will be displayed here. (Please see the GettingStarted section in this manual for an explanation of these two modes.)Rescan Button:Rescans for the strongest signal in your environment and associates with that AccessPoint or Router.Displays the Link Quality for the DWL-G520i wireless connection to the Access Point.The Signal Strength represents the wireless signal between the Access Point and theDWL-G520i. The percentage coincides with the graphical bar.D-Link AirPlus D-Link AirPlus G Utility

14Using the Configuration Utility (continued)Wireless Mode:Authentication:Data Encryption:Click on the pull-down menu; select from the following options:Choose one of the following modes:Select Enabled or Disabled.Open Authentication – the DWL-G520i is visible to all devices on the networkShared Authentication – allows communication only with other devices withidentical WEP settingsWPA – Wi-Fi Protected Access which authorizes and identifies users based on asecret key that changes automatically at a regular interval. (A RADIUS Server isrequired for this mode.)WPA-PSK - WPA Pre-Shared Key mode ensures that the DWL-G520i will obtain anew security key every time it connects to the 802.11 network. (A RADIUS Serveris not required for this mode.)SSID:Service Set Identifier is a name that identifies a wireless network. Access Points andwireless devices attempting to connect to a specific WLAN (Wireless Local Area Network)must use the same SSID. The default setting is default.Infrastructure - connecting to the WLAN using an Access Point. (This is the defaultsetting).Ad-Hoc – wireless mode used when connecting directly to a computer equippedwith a wireless adapter in a peer-to-peer environment.After you have configuredthe network through theSite Survey section ofthe D-Link AirPlus Utility,you can make minoradjustments and checkon settings in thisConfiguration screen.ConfigurationFor a completeexplanation of theconfiguration of anetwork, please referto the Site Surveysection in thischapter.D-Link AirPlus G Utility

15Using the Configuration Utility (continued)*Not all servers can provide AuthenticationWhen you click IP Settings in theConfiguration window, this pop-upscreen will appear. Configure the IPSettings in this window.IP SettingsClick Apply to save changes.Keys 1-4:Select the default keyHexadecimal digits consist of the numbers 0-9 and the letters A-FASCII (American Standard Code for Information Interchange) is a code forrepresenting English letters as numbers from 0-127Key Length:Select the key length and either ASCII or hexadecimal format.IEEE 802.1x:Authentication which is a first line of defense against intrusion. In the Authenticationprocess the Authentication Server* verifies the identity of the client attempting to con-nect to the network. Unfamiliar clients are denied access.

19Using the Configuration Utility (continued)Site Survey > Configuration > 802.1xTo use 802.1x and to configure its settings, please do the following: IEEE 802.1x -Select Enabled.Click Authentication Config.Select the EAP Type youwant to use. Configure theinformation needed forauthenticating.Click OKTrusted CA List.Inner Authentication Protocol.For an explanation ofthe terms shown in thiswindow please see thefollowing pages.Advanced Security Settings

20Using the Configuration Utility (continued)802.1x > Advanced Security Settings > EAP TypesEAP Type Inner AuthenticationProtocol Information neededfor AuthenticatingEAP-TLSEAP-MSCHAPv2CertificateUser NameUser NamePasswordDomain NameLEAP User NamePasswordPAPTTLS IdentityUser NamePasswordCHAPTTLS IdentityUser NamePasswordMSCHAPTTLS IdentityUser NamePasswordDomain NameEAP-TTLSMSCHAPv2TTLS IdentityUser NamePasswordDomain Name

21Using the Configuration Utility (continued)802.1x > Advanced Security Settings > EAP Types (continued)802.1x > Advanced Security Settings > Definitions of TermsValidate Server Certificate:Check Validate Server Certificate to verify the identity of the authentication serverbased on its certificate when using EAP-TTLS, PEAP, and EAP-TLS. (This ischecked by default.)Certain protocols, such as EAP-TTLS, PEAP, and EAP-TLS, allow you to verify theidentity of the authentication server as the server verifies your identity. This is calledmutual authentication.You can select trusted authentication server certificates using the Add button at theTrusted CA List (at the bottom of the Advanced Security Settings page).EAP Type Inner AuthenticationProtocol Information neededfor AuthenticatingEAP-Generic Token cardEAP-MD5 User NamePasswordEAP-MSCHAPv2EAP-MD5 TTLS IdentityUser NamePasswordTTLS IdentityUser NamePasswordTTLS IdentityUser NamePasswordDomain NameUser NamePasswordEAP-TTLSPEAPEAP-Generic Token cardEAP-MSCHAPv2 User NamePasswordDomain Name

22Using the Configuration Utility (continued)Domain Name:Each server has a domain name that uniquely identifies it. That domain name is normallycontained in the Subject CN field of the server certificate. A server domain name endswith the name of a larger administrative domain, to which the server belongs.TTLS Identity:Tunneled Transport Layer Security satisfies a requirement for strong encryption andmutual authentication on Wireless networks. EAP-TTLS has a unique feature that otherprotocols do not offer. Because it sets up an encrypted tunnel for your credentials, it isalso able to pass your login name through that tunnel. That means that not only are yourcredentials secure from eavesdropping, but your identity is protected as well. Thus, withEAP-TTLS you have two identities: an inner one, and an outer one. The inner identity isyour actual user name. Your outer identity can be completely anonymous. Set yourouter identity in the TTLS Identity field.Trusted CA List:The Trusted CA List allows you to configure which authentication servers you trust forthe purpose of logging you in to the network.Click Add at the Trusted CA List at the bottom of the Advanced Security Settings page.Select the Trusted CA that you want to add and click OK.802.1x > Advanced Security Settings > Definitions of Terms (continued)Select the Trust CA:

23Using the Configuration Utility (continued)Authentication > WPA Click Configure.Select the availablenetwork to which youwant to connect.Select WPA in theAuthentication field.Click AuthenticationConfigAfter you click Authentication Config, the Advanced Security Settings screen will ap-pear. Complete the Advanced Security Settings configuration. Please see pages 19-22 ofthis manual to find out more about the Advanced Security Settings.D-Link AirPlus G Utility

24Using the Configuration Utility (continued)Authentication > WPA-PSKWPA-PSK does notrequire a RADIUSServer in the network. Select WPA-PSK inthe Authenticationfield.Click AuthenticationConfigClick Configure.Select the availablenetwork to which youwant to connect.D-Link AirPlus G Utility

25Using the Configuration Utility (continued)Authentication > WPA-PSK (continued) Enter the WPAPassphrase.Click OK.The configuration is done.Advanced Security Settings

26Using the Network Setup Wizard in Windows XPIn this section you will learn how to establish a network at home or work, usingMicrosoft Windows XP.Note: Please refer to websites such as http://www.homenethelp.comand http://www.microsoft.com/windows2000 for information about networkingcomputers using Windows 2000, ME or 98SE.Go to Start>Control Panel>Network ConnectionsSelect Set up a home or small office networkNetworking BasicsWhen this screen appears, click Next.

27Please follow all the instructions in this window:Networking Basics (continued)Click NextIn the following window, select the best description of your computer. If yourcomputer connects to the Internet through a gateway/router, select the second optionas shown.Click Next

28Enter a Computer description and a Computer name (optional.)Networking Basics (continued)Click NextEnter a Workgroup name. All computers on your network should have the sameWorkgroup name.Click Next

29Please wait while the Network Setup Wizard applies the changes.Networking Basics (continued)When the changes are complete, click Next.Please wait while the Network Setup Wizard configures the computer.This may take a few minutes.

30Networking Basics (continued)In the window below, select the option that fits your needs. In this example, Create aNetwork Setup Disk has been selected. You will run this disk on each of thecomputers on your network. Click Next.Insert a disk into the Floppy Disk Drive, in this case drive A.

31Networking Basics (continued)Please read the information under Here’s how in the screen below. After you completethe Network Setup Wizard you will use the Network Setup Disk to run the NetworkSetup Wizard once on each of the computers on your network. To continue click Next.

32Networking Basics (continued)Please read the information on this screen, then click Finish to complete theNetwork Setup Wizard.The new settings will take effect when you restart the computer. Click Yes to restartthe computer.You have completed configuring this computer. Next, you will need to run the NetworkSetup Disk on all the other computers on your network. After running the NetworkSetup Disk on all your computers, your new wireless network will be ready to use.

33!Networking Basics (continued)Naming your ComputerTo name your computer, please follow these directions:In Windows XP:Click Start (in the lower left corner of the screen)Right-click on My ComputerSelect Properties and click!!!!!Select the ComputerName Tab in the SystemProperties window.You may enter a Com-puter Description if youwish; this field is optional.To rename the computerand join a domain, ClickChange.

34Networking Basics (continued)Naming your Computer!In this window, enter theComputer nameSelect Workgroup and enterthe name of the WorkgroupAll computers on your networkmust have the sameWorkgroup name.Click OK!!!Checking the IP Address in Windows XPThe wireless adapter-equipped computers in your network must be in the same IPAddress range (see Getting Started in this manual for a definition of IP Address Range.)To check on the IP Address of the adapter, please do the following:Right-click on theLocal AreaConnection iconin the task barClick on Status!!

35Networking Basics (continued)Checking the IP Address in Windows XPThis window will appear.Click theSupport tabClick Close!!Assigning a Static IP Address in Windows XP/2000Note: Residential Gateways/Broadband Routers will automatically assign IP Ad-dresses to the computers on the network, using DHCP (Dynamic Host Configura-tion Protocol) technology. If you are using a DHCP-capable Gateway/Router youwill not need to assign Static IP Addresses.If you are not using a DHCP capable Gateway/Router, or you need to assign a Static IPAddress, please follow these instructions:!!Go to StartDouble-click onControl Panel

36Networking Basics (continued)Assigning a Static IP Address in Windows XP/2000!Double-click onNetworkConnections!!Double-click onPropertiesRight-click on Local AreaConnections

37 Select Use the followingDNS server address. Enterthe LAN IP Address of thewireless router. (D-Linkwireless routers have a LANIP Address of 192.168.0.1)Networking Basics (continued)Assigning a Static IP Addressin Windows XP/2000You have completed the assignment of a Static IP Address. (You do not need to assigna Static IP Address if you have a DHCP-capable Gateway/Router.)Click on Internet Protocol(TCP/IP)Click Properties!!IP Address:e.g., 192.168.0.2Subnet Mask:255.255.255.0Default Gateway:Enter the LAN IP Address ofthe wireless router. (D-Linkwireless routers have a LAN IPAddress of 192.168.0.1) In the window below, select Use the following IP Address. Input your IPAddress and subnet mask. (The IP Addresses on your network must bewithin the same range. For example, if one computer has an IP Address of192.168.0.2, the other computers should have IP Addresses that aresequential, like 192.168.0.3 and 192.168.0.4. The subnet mask must be thesame for all the computers on the network.)!!Click OK!!D-Link Air DWL-520 Wireless PCIAdapter

38Networking Basics (continued)Checking the Wireless Connectionby Pinging in Windows XP and 2000*Checking the Wireless Connectionby Pinging in Windows Me and 98*Go to Start > Run >type cmd. A windowsimilar to this onewill appear. Typepingxxx.xxx.xxx.xxx,where xxx is the IPAddress of theWireless Router orAccess Point. Agood wirelessconnection will showfour replies from theWireless Router orAccess Point, asshown.Go to Start > Run> type command.A window similar tothis will appear.Type pingxxx.xxx.xxx.xxxwhere xxx is the IPAddress of theWireless Router orAccess Point. Agood wirelessconnection willshow four repliesfrom the wirelessrouter or accesspoint, as shown.!!*You may be pinging different IP Addresses than the ones pictured here, however theprocedure for pinging remains the same.)

391. Check that the drivers for the DWL-G520i are installed properly.Click DeviceManager!Select theHardwareTab!TroubleshootingThis chapter provides solutions to problems that can occur during the installation andoperation of the DWL-G520i. Read the following descriptions if you are having problems.(The examples below are illustrated in Windows XP. If you have another operating sys-tem, these solutions will still apply although the appearance on your computer screenmay differ.)!Go to Start > MyComputer >Properties

40Troubleshooting (continued)!!!Double-clickon NetworkAdaptersRight-click on D-Link AirPlus G DWL-G520iWireless PCI AdapterSelect Propertiesto check that thedrivers areinstalled properly!Look under DeviceStatus to check that thedevice is workingproperly!Click OKD-Link AirPlus G DWL-G520iD-Link AirPlus G DWL-G520i Wireless PCI AdapterD-Link AirPlus G DWL-G520 Wireless PCI AdapterD-Link AirPlus G DWL-G520 Wireless PCI AdapterTM

412. I cannot connect to the Access Point or the Wireless Router.Make sure that the SSID on the DWL-G520i Wireless PCI Adapter isexactly the same as the SSID on the Access Point or Wireless Router.Move the DWL-G520i and Access Point or Wireless Router into thesame room and then test the wireless connection.Disable all security settings. (WEP, MAC Address Control, AES)Turn off your Access Point and the computer with the DWL-G520i. Turnon the Access Point, and then turn on the computer with the DWL-G520i.Refresh the DWL-G520i UtilityCheck to see if the DWL-G520i PCI adapter is firmly inserted into the PCIslot of your computer.Troubleshooting (continued)!!!!!3. The DWL-G520i Power and Link lights are not on.!4. I forgot my Encryption key.Reset the Access Point to its factory default settings and restore the DWL-G520 Wireless PCI Adapter to the factory default settings. (The default settingsare listed in the Using the Configuration Utility section in this manual.)!Make sure that the DWL-G520i Wireless PCI Adapter is properly seated inthe computer’s PCI slot.If Windows does not detect the hardware upon insertion of the adapter,make sure to completely remove drivers that were previously loaded. Toremove the drivers, do the following:!!5. The computer does not recognize the DWL-G520i Wireless PCI Adapter.

42Troubleshooting (continued)A. Under Tools> select Folder Options…> select View > underHidden files and folders > select Show hidden files andfoldersB. Uncheck Hide extension for known file types > click onApplyC. Search for the files DWLG520i.INF and DWLG520i.SYS.Remove these files from the INF and SYSTEM32 (DRIVERS)folders in the Windows directory. Note: Windows XP andWindows 2000 will rename .inf files that have not receivedWHQL certification into oem.inf files (e.g., oem1.inf.)Check that the LED indicators for the broadband modem are indicatingnormal activity. If not, there may be a problem with the broadband connection.Check that the LED indicators on the wireless router are functioning properly.If not, check that the AC power and Ethernet cables are firmly connected.Check that the IP Address, subnet mask, gateway, and DNS settings arecorrectly entered for the networkIn Infrastructure mode, make sure the same Service Set Identifier (SSID)is specified on the settings for the wireless clients and Access Points. TheSSID factory default setting for the D-LinkAir and AirPlus products is default.(Double-click on the WLAN icon in the taskbar. The Link Info screen willdisplay the SSID setting.)In Ad-Hoc mode, both wireless clients will need to have the same SSID.Please note that it might be necessary to set up one client to establish aBSS (Basic Service Set) and wait briefly before setting up other clients.This prevents several clients from trying to establish a BSS at the sametime, which can result in multiple singular BSSs being established, ratherthan a single BSS with multiple clients associated to it.6. The computer with the DWL-G520i installed is unable to connect to the wireless network and/or the Internet.!!!!!

43Move the DWL-G520i and Access Point or Wireless Router into the sameroom and then test the wireless connection.Change the channel of the Access Point.Move devices within the line of sightCheck that the Network Connection for the wireless client is configuredproperly. Select AP (Infrastructure) when connecting to an Access Pointand select Ad-Hoc mode when connecting without an Access Point.Double-click on the WLAN icon in the taskbar > click on Configuration tochange the settings for the wireless adapter.If Security is enabled, make sure that the correct encryption keys areentered on both the DWL-G520i and the Access Point. Double-click on theWLAN icon in the taskbar > click Encryption. Check to see that the keyselected is set to the same key as other devices on the network.!!!!!Troubleshooting (continued)7. How can I troubleshoot distance issues using the DWL-G520i.

44Standby mode = 4.66mAIEEE 802.11bIEEE 802.11gIEEE 802.11Technical SpecificationsStandardsPCI 2.2Bus Type:!Security: 802.1x!!WPA (Wi-Fi Protected Access ), 64-,128-bit WEP with TKIP, MIC,IV Expansion, Shared Key AuthenticationData Rates:With Automatic Fallback54Mbps; 48Mbps; 36Mbps; 24Mbps; 18Mbps; 12Mbps; 11Mbps;9Mbps; 6Mbps; 5.5Mbps; 2Mbps; 1Mbps!Media Access Control:CSMA/CA with ACK!Frequency Range:2.4GHz to 2.497GHz!Range:*Indoors: Up to 328 feet (100 meters)!Outdoors: Up to 1,312 feet (400 meters)!PowerSave mode = 28mA Transmit mode = 248mAPower Consumption:!!!Modulation Technology:Orthogonal Frequency Division Multiplexing (OFDM)!!!!*Environmental factors may adversely affect range

45Technical SpecificationsReceiver Sensitivity:54Mbps OFDM, 10% PER,-68dBm48Mbps OFDM, 10% PER,-68dBm11Mbps CCK, 8% PER, -82dBm9Mbps OFDM, 10% PER,-87dBm!!36Mbps OFDM, 10% PER,-75dBm24Mbps OFDM, 10% PER,-79dBm!!18Mbps OFDM, 10% PER,-82dBm12Mbps OFDM, 10% PER,-84dBm!!!!6Mbps OFDM, 10% PER,-88dBm5.5Mbps CCK, 8% PER,-85dBm!2Mbps QPSK, 8% PER,-86dBm!!1Mbps BPSK, 8% PER,-89dBm!Warranty: 3 years! 0.12 lb. (55 grams)!Weight:Physical Dimensions:L = 4.64 inches (114.3mm)W = 2.13 inches (54mm)H = 0.34 inches (8.7mm)!!!Temperature Operating: 0ºC to 55ºC (32ºF to 149ºF)!95% maximum, non-condensingHumidity:!Internal Antenna Type:Dipole with detachable reverse SMA connector!15dBm ± 2dBTransmitter Output Power:!Certifications: FCC part 15b!

46Technical SupportYou can find software updates and user documentation on the D-Link website.D-Link provides free technical support for customers within the United States andwithin Canada for the duration of the warranty period on this product.U.S. and Canadian customers can contact D-Link technical support through ourwebsite, or by phone.Tech Support for customers within the United States:D-Link Technical Support over the Telephone:(877) 453-546524 hours a day, seven days a week.D-Link Technical Support over the Internet:http://support.dlink.comemail:support@dlink.comTech Support for customers within Canada:D-Link Technical Support over the Telephone:(800) 361-5265Monday to Friday 8:30am to 9:00pm ESTD-Link Technical Support over the Internet:http://support.dlink.caemail:support@dlink.ca

47Subject to the terms and conditions set forth herein, D-Link Systems, Inc. (“D-Link”) provides this Limitedwarranty for its product only to the person or entity that originally purchased the product from:•D-Link or its authorized reseller or distributor and•Products purchased and delivered within the fifty states of the United States, the District ofColumbia, U.S. Possessions or Protectorates, U.S. Military Installations, addresses with anAPO or FPO.Limited Warranty: D-Link warrants that the hardware portion of the D-Link products describedbelow will be free from material defects in workmanship and materials from the date of original retailpurchase of the product, for the period set forth below applicable to the product type (“WarrantyPeriod”), except as otherwise stated herein.3-Year Limited Warranty for the Product(s) is defined as follows:•Hardware (excluding power supplies and fans) Three (3) Years•Power Supplies and Fans One (1) Year•Spare parts and spare kits Ninety (90) daysD-Link’s sole obligation shall be to repair or replace the defective Hardware during the Warranty Periodat no charge to the original owner or to refund at D-Link’s sole discretion. Such repair or replacement willbe rendered by D-Link at an Authorized D-Link Service Office. The replacement Hardware need not benew or have an identical make, model or part. D-Link may in its sole discretion replace the defectiveHardware (or any part thereof) with any reconditioned product that D-Link reasonably determines issubstantially equivalent (or superior) in all material respects to the defective Hardware. Repaired orreplacement Hardware will be warranted for the remainder of the original Warranty Period from the dateof original retail purchase. If a material defect is incapable of correction, or if D-Link determines in its solediscretion that it is not practical to repair or replace the defective Hardware, the price paid by the originalpurchaser for the defective Hardware will be refunded by D-Link upon return to D-Link of the defectiveHardware. All Hardware (or part thereof) that is replaced by D-Link, or for which the purchase price isrefunded, shall become the property of D-Link upon replacement or refund.Limited Software Warranty: D-Link warrants that the software portion of the product (“Software”)will substantially conform to D-Link’s then current functional specifications for the Software, as set forthin the applicable documentation, from the date of original retail purchase of the Software for a period ofninety (90) days (“Warranty Period”), provided that the Software is properly installed on approvedhardware and operated as contemplated in its documentation. D-Link further warrants that, during theWarranty Period, the magnetic media on which D-Link delivers the Software will be free of physicaldefects. D-Link’s sole obligation shall be to replace the non-conforming Software (or defective media)with software that substantially conforms to D-Link’s functional specifications for the Software or torefund at D-Link’s sole discretion. Except as otherwise agreed by D-Link in writing, the replacementSoftware is provided only to the original licensee, and is subject to the terms and conditions of thelicense granted by D-Link for the Software. Software will be warranted for the remainder of the originalWarranty Period from the date or original retail purchase. If a material non-conformance is incapable ofcorrection, or if D-Link determines in its sole discretion that it is not practical to replace the non-conforming Software, the price paid by the original licensee for the non-conforming Software will berefunded by D-Link; provided that the non-conforming Software (and all copies thereof) is first returnedto D-Link. The license granted respecting any Software for which a refund is given automaticallyterminates.Non-Applicability of Warranty: The Limited Warranty provided hereunder for hardware and softwareof D-Link’s products will not be applied to and does not cover any refurbished product and any productpurchased through the inventory clearance or liquidation sale or other sales in which D-Link, the sellers,or the liquidators expressly disclaim their warranty obligation pertaining to the product and in that case,the product is being sold “As-Is” without any warranty whatsoever including, without limitation, theLimited Warranty as described herein, notwithstanding anything stated herein to the contrary.Submitting A Claim: The customer shall return the product to the original purchase point based on itsreturn policy. In case the return policy period has expired and the product is within warranty, thecustomer shall submit a claim to D-Link as outlined below:Warranty and Registration(USA only)

48•The customer must submit with the product as part of the claim a written description of theHardware defect or Software nonconformance in sufficient detail to allow D-Link to confirmthe same.•The original product owner must obtain a Return Material Authorization (“RMA”) number fromthe Authorized D-Link Service Office and, if requested, provide written proof of purchase ofthe product (such as a copy of the dated purchase invoice for the product) before thewarranty service is provided.•After an RMA number is issued, the defective product must be packaged securely in theoriginal or other suitable shipping package to ensure that it will not be damaged in transit, andthe RMA number must be prominently marked on the outside of the package. Do not include anymanuals or accessories in the shipping package. D-Link will only replace the defective portionof the Product and will not ship back any accessories.•The customer is responsible for all in-bound shipping charges to D-Link. No Cash on Delivery(“COD”) is allowed. Products sent COD will either be rejected by D-Link or become theproperty of D-Link. Products shall be fully insured by the customer. D-Link will not be heldresponsible for any packages that are lost in transit to D-Link. The repaired or replacedpackages will be shipped to the customer via UPS Ground or any common carrier selected byD-Link, with shipping charges prepaid. Expedited shipping is available if shipping charges areprepaid by the customer and upon request.•Return Merchandise Ship-To AddressUSA: 53 Discovery Drive, Irvine, CA 92618Canada: 2180 Winston Park Drive, Oakville, ON, L6H 5W1 (Visit http://www.dlink.ca for detailedwarranty information within Canada)D-Link may reject or return any product that is not packaged and shipped in strict compliance with theforegoing requirements, or for which an RMA number is not visible from the outside of the package. Theproduct owner agrees to pay D-Link’s reasonable handling and return shipping charges for any productthat is not packaged and shipped in accordance with the foregoing requirements, or that is determinedby D-Link not to be defective or non-conforming.What Is Not Covered: This limited warranty provided by D-Link does not cover: Products, if in D-Link’sjudgment, have been subjected to abuse, accident, alteration, modification, tampering, negligence, misuse,faulty installation, lack of reasonable care, repair or service in any way that is not contemplated in thedocumentation for the product, or if the model or serial number has been altered, tampered with, defacedor removed; Initial installation, installation and removal of the product for repair, and shipping costs;Operational adjustments covered in the operating manual for the product, and normal maintenance;Damage that occurs in shipment, due to act of God, failures due to power surge, and cosmetic damage;Any hardware, software, firmware or other products or services provided by anyone other than D-Link; Products that have been purchased from inventory clearance or liquidation sales or other sales inwhich D-Link, the sellers, or the liquidators expressly disclaim their warranty obligation pertaining to theproduct. Repair by anyone other than D-Link or an Authorized D-Link Service Office will void thisWarranty.Disclaimer of Other Warranties: EXCEPT FOR THE LIMITED WARRANTY SPECIFIED HEREIN, THEPRODUCT IS PROVIDED “AS-IS” WITHOUT ANY WARRANTY OF ANY KIND WHATSOEVER INCLUDING,WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSEAND NON-INFRINGEMENT. IF ANY IMPLIED WARRANTY CANNOT BE DISCLAIMED IN ANY TERRITORYWHERE A PRODUCT IS SOLD, THE DURATION OF SUCH IMPLIED WARRANTY SHALL BE LIMITED TONINETY (90) DAYS. EXCEPT AS EXPRESSLY COVERED UNDER THE LIMITED WARRANTY PROVIDEDHEREIN, THE ENTIRE RISK AS TO THE QUALITY, SELECTION AND PERFORMANCE OF THE PRODUCT ISWITH THE PURCHASER OF THE PRODUCT.Limitation of Liability: TO THE MAXIMUM EXTENT PERMITTED BY LAW, D-LINK IS NOT LIABLEUNDER ANY CONTRACT, NEGLIGENCE, STRICT LIABILITY OR OTHER LEGAL OR EQUITABLE THEORYFOR ANY LOSS OF USE OF THE PRODUCT, INCONVENIENCE OR DAMAGES OF ANY CHARACTER,WHETHER DIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL (INCLUDING, BUT NOT LIMITED TO,DAMAGES FOR LOSS OF GOODWILL, LOSS OF REVENUE OR PROFIT, WORK STOPPAGE, COMPUTERFAILURE OR MALFUNCTION, FAILURE OF OTHER EQUIPMENT OR COMPUTER PROGRAMS TO WHICH D-LINK’S PRODUCT IS CONNECTED WITH, LOSS OF INFORMATION OR DATA CONTAINED IN, STORED ON,OR INTEGRATED WITH ANY PRODUCT RETURNED TO D-LINK FOR WARRANTY SERVICE) RESULTINGFROM THE USE OF THE PRODUCT, RELATING TO WARRANTY SERVICE, OR ARISING OUT OF ANYBREACH OF THIS LIMITED WARRANTY, EVEN IF D-LINK HAS BEEN ADVISED OF THE POSSIBILITY OFSUCH DAMAGES. THE SOLE REMEDY FOR A BREACH OF THE FOREGOING LIMITED WARRANTY ISREPAIR, REPLACEMENT OR REFUND OF THE DEFECTIVE OR NON-CONFORMING PRODUCT. THE MAXIMUM

49The manufacturer is not responsible for any radio or TV interference caused by unauthorizedmodifications to this equipment; such modifications could void the user’s authority to operate theequipment.Governing Law: This Limited Warranty shall be governed by the laws of the State of California. Somestates do not allow exclusion or limitation of incidental or consequential damages, or limitations on howlong an implied warranty lasts, so the foregoing limitations and exclusions may not apply. This limitedwarranty provides specific legal rights and the product owner may also have other rights which varyfrom state to state.Trademarks: D-Link is a registered trademark of D-Link Systems, Inc. Other trademarks or registeredtrademarks are the property of their respective manufacturers or owners.Copyright Statement: No part of this publication or documentation accompanying this Product maybe reproduced in any form or by any means or used to make any derivative such as translation,transformation, or adaptation without permission from D-Link Corporation/D-Link Systems, Inc., asstipulated by the United States Copyright Act of 1976. Contents are subject to change without priornotice. Copyright© 2002 by D-Link Corporation/D-Link Systems, Inc. All rights reserved.CE Mark Warning: This is a Class B product. In a domestic environment, this product may cause radiointerference, in which case the user may be required to take adequate measures.FCC Statement: This equipment has been tested and found to comply with the limits for a Class Bdigital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonableprotection against harmful interference in a residential installation. This equipment generates, uses, andcan radiate radio frequency energy and, if not installed and used in accordance with the instructions,may cause harmful interference to radio communication. However, there is no guarantee that interferencewill not occur in a particular installation. If this equipment does cause harmful interference to radio ortelevision reception, which can be determined by turning the equipment off and on, the user is encouragedto try to correct the interference by one or more of the following measures:•Reorient or relocate the receiving antenna.•Increase the separation between the equipment and receiver.•Connect the equipment into an outlet on a circuit different from that to which the receiver isconnected.•Consult the dealer or an experienced radio/TV technician for help.For detailed warranty outside the United States, please contact corresponding localD-Link office.Register your D-Link product online at http://support.dlink.com/register/ (02/20/2004) LIABILITY OF D-LINK UNDER THIS WARRANTY IS LIMITED TO THE PURCHASE PRICE OF THE PRODUCTCOVERED BY THE WARRANTY. THE FOREGOING EXPRESS WRITTEN WARRANTIES AND REMEDIESARE EXCLUSIVE AND ARE IN LIEU OF ANY OTHER WARRANTIES OR REMEDIES, EXPRESS, IMPLIED ORSTATUTORY.FCC Caution:This device complies with Part 15 of the FCC Rules. Operation is subject to the following twoconditions: (1) This device may not cause harmful interference, and (2) this device must acceptany interference received, including interference that may cause undesired operation.IMPORTANT NOTE:FCC Radiation Exposure Statement:This equipment complies with FCC radiation exposure limits set forth for an uncontrolledenvironment. The antenna(s) used for this equipment must be installed to provide a separationdistance of at least eight inches (20 cm) from all persons.This equipment must not be operated in conjunction with any other antenna.

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