DWL-120
Wireless USB Adapter
User's Manual
Page 1: ...DWL 120 Wireless USB Adapter User s Manual ...
Page 2: ... 120 Wireless USB Adapter Introduction i Contents of Package ii Wireless Basics 1 Getting Started 3 Configuration Utility 10 Troubleshooting 20 Networking Basics 38 Technical Support 65 Specifications 66 Warranty 70 Registration 75 ...
Page 3: ...ned to help you connect your computer to a network when running Windows 98 Windows ME or Windows 2000 in either Ad Hoc mode without an Access Point or Infrastructure mode with an Access Point Yet the IEEE802 11b standards compliance means this adapter gives you the flexibility to connect it to any 802 11b networks The IEEE 802 11b Ethernet standard allows you to connect computers and devices at sp...
Page 4: ...CONTENTS OF PACKAGE C D B ii A DWL 120 Wireless USB Adapter Package Contents A DWL 120 Wireless USB Adapter with cable B Driver CD C User s Manual D Quick Install Guide ...
Page 5: ...kly or even watch a Movie in MPEG format over your network without noticeable delays This technology works by using multiple frequencies in the 2 4GHz range utilizing Direct Sequence Spread Spectrum DSSS technology D Link Air prod ucts will automatically sense the best possible connection speed to ensure the greatest speed and range possible with the technology Installation Considerations Designed...
Page 6: ... aluminum studs may have a neg ative effect on range Again try to position Access Points Residential Gateways and Computers so that the signal passes through drywall or open doorways and not other materials 4 Make sure that the antenna is positioned for best reception by using the software signal strength tools included with your product 5 Keepyourproductaway atleast1 2meters fromelectricaldevices...
Page 7: ...administrators with Dynamic IPs should follow these instructions I have 2 or more computers and or laptops and want to share files printers and Internet access using a Residential Gateway Router or Firewall or I want to connect to an Ethernet network that uses Dynamic DHCP IP addresses requires a Wireless Router or Access Point and Ethernet capable Gateway Router or Firewall or an existing Etherne...
Page 8: ...on please follow these steps 1 Using the provided Ethernet cable connect the router to the Cable DSLmodem Also connect the Access Point to the Router 2 Install the Wireless Adapter see the Quick Install Guides 3 Check the wireless connection see Configuration Utility and Networking Basics section 4 Check IP Address for the wireless adapter see Networking Basics section NOTE The default settings fo...
Page 9: ...iles printers and Internet access using multiple IP addresses that I have purchased from my Internet Service Provider or I want to connect to an Ethernet network that uses Static IP addresses requires Access Point Ethernet capable Broadband modem and multiple IP address Internet Account or an existing Ethernet network When you have installed your wireless network it will look like this 5 ...
Page 10: ...ided Ethernet cable connect the router to the Cable DSLmodem Also connect the Access Point to the Router 2 Install the wireless Adapter see the Quick Install Guides 3 Check the wireless connection see Configuration Utility and Networking Basics section 4 Set Static IP Address for the wireless Adapter see Networking Basics section NOTE If you are using a PPPoE client go to Networking Basics section...
Page 11: ... it will look like this To complete this installation please follow these steps 1 Install the wireless adapter see the Quick Install Guides 2 Set Static IP Address for the wireless adapter see Networking Basics section 3 Check the wireless connection see Configuration Utility and Networking Basics section 4 Learn to share printers and file See Networking Basics 7 ...
Page 12: ...ve installed your wireless network it will look like this To share an Internet connection with Internet Sharing software you will need to purchase Internet Sharing software or use Windows 98SE s or ME s Internet Connection Sharing ICS utility Please follow your software documentation to properly configure the Internet sharing software after you install your wireless networking adapters To install ...
Page 13: ...king Basics section 4 Learn to share printers and file See Networking Basics 5 Install your Internet Sharing Software If the Internet Sharing Software is installed on a different computer follow these steps 1 Install the wireless adapter see the Quick Install Guides 2 Check IP Address for the wireless adapter see Networking Basics section NOTE The default settings for the wireless adapter is set t...
Page 14: ...o start the Configuration Utility is to click on Start Programs D Link DWL 120 11Mbps WLAN DWL 120 wireless Configuration If the utility icon appears with a red X in the toolbar then the utili ty did not install properly and will need to be reinstalled Sometimes the icon will be red which happens when the wireless adapter is set to a different channel or the communication mode is set incorrectly V...
Page 15: ...rying to detect the SSID Service Set ID of an Access Point within range NOTE When the wireless is set to Ad Hoc mode the wireless adapter will scan for 5 seconds looking for an existing Ad Hoc net work using the same SSID If one is not found the driver will Start its own Ad Hoc network MAC Displays the MAC address of the D Link adapter product SSID Service Set Identification Displays the current S...
Page 16: ...the following values Not Applicable Poor Fair Good Excellent The D Link Air adapter will start looking for a better Access Point if the Link Quality becomes Poor Link Quality is a measure of receive and transmit errors over the radio channel CONFIGURATION TAB The Configuration Tab contains several fields where the operating parameters of the D Link Air product can be viewed and changed Changes to ...
Page 17: ...changed for the D Link Air product Station ESS ID Extended Service Set Identifier The field allows the user to set the identification by typing the name for a particular group of connected wireless adapters and Access Point The SSID has the name default as the initial settings after the drivers are loaded The D Link Air product will be able to con nect to an Access Point with the same ESS ID 13 ...
Page 18: ...2 11b peer to peer mode of operation In Ad Hoc mode only one wireless cell is supported for each different SSID All communication is done from client to client with out the use of an Access Point 802 11b Ad Hoc networking uses the same SSID for the wireless adapters for establishing the net work connection When Ad Hoc mode is selected the utility will provide a selection for setting the channel 14...
Page 19: ...ng for the Preamble field is set to Long 1 Long The mandatory supported Long preamble as well as header as specified in IEEE 802 11b that allows interoperation with the current 1Mbit sec and 2Mbit sec DSS Direct Sequence Spread Spectrum specification 2 Short The optional Short preamble and header is intended for applications where maximum throughput is desired and interop erability with legacy and...
Page 20: ...with opened Encryption tab If an additional measure of security is desired on the wireless net work WEP Wired Equivalent Privacy encryption can be enabled WEP encrypts each frame transmitted from the wireless adapter using one of the keys entered in the WEP Key Entry field ...
Page 21: ...n to None when encryption is not necessary Key 1 Key 4 These four fields are used to manually enter the encryption keys This will be necessary when using encryption or matching keys with a different vendor s product Mode There are two options for the Mode settings Mandatory and Optional The default setting for the D Link Air product is set to Mandatory Mandatory WEP Encryption is required to estab...
Page 22: ...uthentication is available only when WEP Wired Equivalent Privacy encryption is enabled on the D Link Air prod ucts Shared Key authentication supports authentication of hosts as either a member of a group with a shared secret key or a mem ber of those who do not have a shared secret key IEEE 802 11b Shared Key authentication requires the use of WEP privacy mech anism to share the key without trans...
Page 23: ...CONFIGURATION UTILITY ABOUT TAB About tab shows the product versions of the Driver and Configuration Utility Figure 4 Configuration Utility with opened ABOUT tab 19 ...
Page 24: ...might go wrong The best approach to troubleshooting network problems is to start at the very simplest level and work your way up On the following pages we have covered many of the com mon troubleshooting situations Please read through these pages or skip to the specific one that interests you 20 ...
Page 25: ...t that can give you information about your network traffic and help you determine prob lems when troubleshooting The DWL 120 PC Wireless USB Adapter has an indicator labeled LINK on the top panel A flashing green LINK light indicates that the Network Adapter is sending or receiving data 21 ...
Page 26: ...TROUBLESHOOTING VERIFYING DRIVER INSTALLATION To check that the wireless network adapter drivers are loaded properly A Go to Start Settings Control Panel 22 ...
Page 27: ...TROUBLESHOOTING 23 B Double click on System ...
Page 28: ...TROUBLESHOOTING 24 C Click on the Device Manager Tab D Click on the symbol in front of Network Adapters E Highlight D Link DWL 120 wireless USB adapter F Click on Properties ...
Page 29: ...TROUBLESHOOTING 25 G Check under Device Status to see if the DWL 120 is working properly ...
Page 30: ...TROUBLESHOOTING CHECKING THE WIRELESS ADAPTER CONFIGURATION A Go to START Programs D Link DWL 120 11Mbps WLAN DWL 120 wireless Configuration 26 ...
Page 31: ...tructure mode when there is an Access Point in the network Otherwise the mode should be set to Ad Hoc D To change any settings check the box labeled Change Configuration then click on the arrow for the drop down menu Highlight the desired setting then click on the Update box and click OK 27 B Select the Configuration Tab ...
Page 32: ...s assigned to the Access Point is within the range assigned by the DHCP server When using D Link routers the DHCP server will assign an IP range of 192 168 0 2 192 168 0 254 C Check that the Network ID matches the SSID name of the wireless adapter D Check that Security setting is the same for both the wireless Adapter and the Access Point 28 ...
Page 33: ...TROUBLESHOOTING CHECKING THE USB CONTROLLER To check that the socket controller is working properly Right click on My Computer icon on the desktop Select Properties 29 ...
Page 34: ...SHOOTING Select the Device Manager tab Figure 8 USB Universal Host Controller A Click on the symbol next to Universal Serial Bus controllers B Highlight the USB Universal Host Controller C Click Properties 30 ...
Page 35: ...TROUBLESHOOTING Figure 9 USB Host Controller Device status D In the General tab check under Device status to check that the USB Host controller is working properly 31 ...
Page 36: ...B CONTROLLER Select the Resources tab Figure 10 Resources settings E Check that there are no conflicts under the Conflicting device list F If there is an existing IRQ conflict please refer to the How to Free an IRQ section of Troubleshooting 32 ...
Page 37: ...he settings may be listed on your system using different words that mean the same thing Refer to your motherboards manual or contact the manu facturer if you are unsure Perform the following steps to check for a Plug and Play Motherboard and to reset the configuration 1 Reboot your computer 2 When your computer is going through its POST Power On Self Test enter into yourBIOS Basic Input Output Sys...
Page 38: ...e configuration information for your Plug and Play hardware It is reset to Disabled so that Windows will not perform the reconfiguration each time you start your computer 6 Save the new settings and Exit your BIOS This will allow your computer to boot up and load Windows 7 After Windows loads check in the Device Manager to see if there is an available IRQ TROUBLESHOOTING HOW TO FREE AN IRQ What to...
Page 39: ...isable your COM Ports 1 Reboot your computer 2 When your computer is going through its POST Power On Self Test enter into your BIOS Basic Input Output System 3 Under the heading Integrated Peripherals look for Serial Port 1 or 2 or COM Port 1 or 2 4 Change the setting to Disable 5 Go to the heading PNP PCI Configuration 6 Make sure the setting for Resources Controlled By is set to Auto 7 Change th...
Page 40: ...boot your computer 2 When your computer is going through its POST Power On Self Test enter into your BIOS Basic Input Output System 3 Under the heading Integrated Peripherals look for a setting Modem COM Port 4 Change the setting to Disable Note Only disable your Built On Modem if you know that you have upgraded your Modem you have had a Broadband connection Cable DSL installed or if youdo not use...
Page 41: ... above steps can be followed to remove a Built On Sound Card as well Another option for freeing up an IRQ is switching your Mouse either PS 2 or USB This will free up the IRQs for your COM Ports and you should follow the above steps for disabling the COM Ports in your BIOS Note You might need to contact your computer manufacturer for more information on freeing up an IRQ on your specific system TR...
Page 42: ...omprehensive guide to networking it is just an outline of a few networking basics If you are interested in learning more about networking we have identified some Internet resources that may be of interest D Link Systems Inc http www dlink com D Link is one of the largest manufacturers of Ethernet products in the world D Link s technological expertise and dedication to providing quality products at...
Page 43: ...Windows 98 ME computers names you may need to verify that each computer has a unique name and common workgroup name A On your Desktop right click the icon Network Places and select Properties from the context menu B Click the Identification tab on the top of the dialog box 39 ...
Page 44: ...result The computer s name should be 15 or fewer characters with no spaces D Type the workgroup name this computer will be a part of in the Workgroup box All of the computers on your network should have an identical Workgroup name E The Computer Description box is optional You may enter a description that will help you identify this computer on your network Then click Close F Repeat this process f...
Page 45: ...rd protect them The steps below will enable you to share specific files and folders with other computers on your network A On your Desktop right click the icon Network Places and select Properties from the context menu B This dialog box is where you will come to configure most of your computers network settings It is also available through the Network icon in the Control Panel C Click the File and...
Page 46: ...t to be able to give others access to my files E Click OK on the File and Print Sharing dialog box F Click OK on the Network dialog box G If prompted provide the Windows 98 installation CD or direct Windows to the proper location of the installation files Reboot if prompted 42 ...
Page 47: ...t to share a CD ROM drive so your other computer that does not have one can read CD s Both of these processes are the same Only the disk drives and folders that you specifically identify as shared will be accessible to other computers on your network I Find the disk drive or folder you want to share with Windows Explorer or the My Computer icon on your desktop J Right click on the disk drive or fo...
Page 48: ... network are shared M The Comment box is optional You can use this box to further describe the disk drive or folder for others on the network N Access Type allows you to designate how much someone else on the network can do with this disk drive or folder Read Only allow others to only look at or open the files on the disk drive or in the folder Full allows others to read write open save copy move ...
Page 49: ...ing the disk drive or folder Two passwords are used to give two levels of security or access to others on the network using the Depends on Password setting Leaving the Password boxes empty gives everyone on the network access to the disk drive or folder P Click OK to continue You will be prompted to enter the password s you provided for verification Retype the password s just as you entered them t...
Page 50: ...d when sharing this disk drive or folder you will be prompted for the password S You can access a disk drive or folder shared over the network from most Windows 98 ME applications To make this process easier Windows allows you to map these disk drives and folders to a drive letter on another computer For example on a computer where you are accessing a shared folder from another computer inside Win...
Page 51: ...ther computers on you network can be very convenient allowing you to print from any computer on the network The steps below will enable you to print with other computers on your network A On your Desktop right click the icon Network Places and select Properties from the context menu 47 ...
Page 52: ...utton C Click to place a check mark next to I want to be able to allow others to print to my printer s D Click OK on the File and Print Sharing dialog box E Click OK on the Network dialog box F If prompted provide system files from the Windows CD and reboot the computer 48 ...
Page 53: ... to other computers on the network Comment and Password are optional Then click OK For a computer to access a Network Printer the device driver or software for that printer must be installed and pointed to the proper location of the printer This is done much the same way you installed the printer on the computer it is connected to I Go to a computer that does not have the printer connected to it F...
Page 54: ...e printer Click OK when you have selected the desired printer Finish the installation by continuing the Add Printer Wizard normally N You may now use the Network Printer as if it was connected directly Note the computer that the printer is connected to must be on to use the printer If you find this inconvenient devices known as Network Print Servers are available from D Link including the DP 301 a...
Page 55: ...NETWORKING BASICS How to Install TCP IP By default Windows 98 ME will install TCP IP automatically Go to START Settings Control Panel Double click on Network 51 ...
Page 56: ...NETWORKING BASICS How to Install TCP IP Select the D Link DWL 120 Wireless USB Adapter Click on Add Select Protocol Click Add 52 ...
Page 57: ...WORKING BASICS How to Install TCP IP Select Microsoft Scroll down and Select TCP IP Click Ok Now the TCP IP for D Link DWL 650 Wireless Adapter will be available The TCP IP Installation is now complete 53 ...
Page 58: ...P Address When the drivers are installed the default setting is set to obtain IP dynamically through a DHCP server If you need to check or change the settings then do the following Go to START Settings Control Panel Double Click on Network 54 ...
Page 59: ...NETWORKING BASICS Configuring a Dynamic IP Address Highlight TCP IP for the DWL 120 Click on Properties NOTE If TCP IP is not present see Section 1 How to Install TCP IP 55 ...
Page 60: ...g a Dynamic IP Address When the TCP IP window opens choose IP Address tab Select Obtain an IP Address Automatically Click OK When the network properties window comes back up click OK Windows will ask you to reboot and click Yes 56 ...
Page 61: ...NETWORKING BASICS Configuring a Static IP Address Go to START Settings Control Panel Double Click on Network 57 ...
Page 62: ...NETWORKING BASICS Configuring a Static IP Address Highlight TCP IP for the DWL 120 Scroll down if you cannot see it Click on Properties NOTE IfTCP IPisnotpresentseeSection1 HowtoInstallTCP IP 58 ...
Page 63: ...ess Enter an IP address into the empty field Suggested IP Range 192 168 0 2 to 192 168 0 254 NOTE IP Addresses must be signed sequentially to each computer Suggested Subnet Mask of 255 255 255 0 Click OK When the Network Properties window comes back up click OK Insert Windows CD if prompted Windows will ask you to reboot and click Yes 59 ...
Page 64: ...NETWORKING BASICS Checking TCP IP Address of the Wireless Adapter Click on the Start button and click Run Figure 11 Start Run 60 ...
Page 65: ... Checking TCP IP Address of the Wireless Adapter Type winipcfg in the Open box Click OK The IP Configuration screen will be displayed The IP address will be displayed in the IP Address box 61 USB 11Mbps Wireless Network ...
Page 66: ...NETWORKING BASICS Checking TCP IP Address of the Wireless Adapter Click on More Info to display additional IP information 62 USB 11Mbps Wireless Network ...
Page 67: ...NETWORKING BASICS Checking the Connection by Pinging Click on the Start button and click Run Type command in the Open box Click OK to get to a DOS prompt 63 ...
Page 68: ...NETWORKING BASICS Checking the Connection by Pinging Type ping 192 168 0 1 which is the IP address of the Gateway in this case and hit the Enter key A successful ping will show four replies 64 ...
Page 69: ...ough Friday from 6 00 a m to 6 00 p m PST Web http www dlink com E mail support dlink com Phone 949 788 0805 option 4 Thank you for purchasing this product We like to receive feedback from our customers concerning our products Please take a moment to visit our web site You can register your purchase on line learn more about the newest networking products and let us know the things your new network...
Page 70: ...e l USB 1 1 Transport Protocols l TCP IP l IPX SPX l NetBEUI TCP IP Protocols l BOOTP l SNMP l Telnet l DHCP l FTP System Requirements l IBM compatible with Pentium 100 or faster processor l USB port Supported OS l Windows 98 l Windows ME l Windows 2000 Data Rate Mbps channel l 11 CCK l 5 5 CCK l 2 DQPSK l 1 DBSK Data Security l 40 bit WEP Encryption 66 ...
Page 71: ...ower l Nominal Temp Range 17 dBm l Extended Temp Range 14 dBm min l Transmit Power 2 7v to 3v 14 dBm min Network Architecture l Supports Ad Hoc Mode Peer to Peer without Access Point orInfrastructure Mode Communications to wired networks via Access Points with Roaming l Compliant with IEEE 802 11b Standards Antenna l External antenna supporting diversity l Mobility Seamless roaming across cell bou...
Page 72: ... l W 72 mm l H 20 mm Emissions l FCC l CE l VCCI l IC Temperature l Operating Temperature 10 C to 55 C l Storage Temperature 20 C to 75 C Humidity l Maximum up to 95 Non condensing Safety l UL Warranty l One year limited warranty 68 ...
Page 73: ... are registered trademarks of D Link Microsoft Windows 98 Windows ME Windows 2000 and Windows NT are trademarks of the Microsoft Corporation All other trademarks are registered trademarks or trademarks of their respective hold ers All specifications are subject to change without notice 69 ...
Page 74: ...iod shall be ninety 90 days from the date of purchase D Link s sole obligation shall be to repair or replace the defective Hardware at no charge to the original owner Such repair or replacement will be rendered by D Link at an Authorized D Link Service Office The replacement Hardware need not be new or of an identical make model or part D Link may in its discretion may replace the defective Hardwa...
Page 75: ...ich a refund is given automatically terminates What You Must Do For Warranty Service Registration Card The Registration Card provided at the back of this manual must be completed and returned to an Authorized D Link Service Office for each D Link product within ninety 90 days after the product is purchased and or licensed The addresses telephone fax list of the nearest Authorized D Link Service Of...
Page 76: ...EREIN THE ENTIRE RISK AS TO THE QUALITY SELECTION AND PER FORMANCE OF THE PRODUCT IS WITH THE PURCHASER OF THE PRODUCT Limitation of Liability TO THE MAXIMUM EXTENT PERMITTED BY LAW D LINK IS NOT LIABLE UNDER ANY CONTRACT NEGLIGENCE STRICT LIABILITY OR OTHER LEGAL OR EQUITABLE THEORY FOR ANY LOSS OF USE OF THE PRODUCT INCON VENIENCE OR DAMAGES OF ANY CHARACTER WHETHER DIRECT SPECIAL INCI DENTAL OR...
Page 77: ...erferencias de radio en cuyo case puede requerirse al usuario para que adopte las medidas adecuadas Attention Ceci est un produit de classe B Dans un environnement domestique ce produit pourrait causer des interférences radio auquel cas l utilisateur devrait prendre les mesures adéquates Attenzione Il presente prodotto appartiene alla classe B Se utilizzato in ambiente domestico il prodotto può ca...
Page 78: ... 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 is connected Consult the dealer or an experienced radio TV technician for help VCCI Warning 74 ...
Page 79: ...oTCP IP oIPX SPX oOthers_____________________________ 4 What network operating system s does your organization use oNovell NetWare oSCO Unix Xenix oLinux oSolaris oWindows NT oWindows 2000 oWindows 98 ME oOthers_________________ 5 What network management program does your organization use oD View oHP OpenView Windows oHPOpenView Unix oSunNet Manager oNovell NMSoNetView 6000 oOthers 6 What network ...
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