D-Link DWL-122 Manual

2.4ghz wireless usb adapter
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D-Link Air® DWL-122
2.4GHz Wireless USB Adapter
Manual
Building Networks for People

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Table of Contents
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Summary of Contents for D-Link DWL-122

  • Page 1 D-Link Air® DWL-122 2.4GHz Wireless USB Adapter Manual Building Networks for People...
  • Page 2: Table Of Contents

    Package Contents ................3 Introduction ................... 4 Wireless Basics ..................6 Inserting and Removing the DWL-122; Using the Extension Cord ..9 Getting Started ................... 10 Using the Configuration Utility with Windows OS ....... 13 Using the Configuration Utility with Macintosh OS ......20 Networking Basics ................
  • Page 3: Package Contents

    Package Contents Contents of Package:  D-Link Air DWL-122 2.4 GHz Wireless USB Adapter Manual on CD-ROM  Quick Installation Guide  USB Extension Cable  If any of the above items are missing, please contact your reseller. System Requirements: A computer or laptop with an available USB port ...
  • Page 4: Introduction

    Introduction The D-Link Air DWL-122 Wireless USB Adapter is a convenient Plug & Play USB 1.1 solution that brings wireless networking to your laptop or desktop PC. With transfer rates up to 11Mbps* you can connect to a wireless network at home, at the office or at any wireless hotspot.
  • Page 5 Utilizing the Pre- Shared Key mode of WPA, the DWL-122 will obtain a new security key every time it connects to the 802.11 network. You only need to input your encryption information once in the configuration menu.
  • Page 6 Features and Benefits Compact size for placement anywhere.  Convenience of Plug & Play installation.  Fully 802.11b compatible.  Powered by the USB port; no external power source is needed.  USB 1.1 standard.  Better Security with 802.1x and WPA - In addition to 64-,128-bit WEP ...
  • Page 7: Wireless Basics

    Wireless Basics D-Link wireless products are based on industry standards to provide easy-to-use and compatible high-speed wireless connectivity within your home, business or public access wireless 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 networking brings.
  • Page 8 Wireless Basics (continued) People use wireless LAN technology for many different purposes: Mobility - Productivity increases when people have access to data in any location within the operating range of the WLAN. Management decisions based on real-time information can significantly improve worker efficiency. Low Implementation Costs –...
  • Page 9: Installation Considerations

    Wireless Basics (continued) Installation Considerations The D-Link Air DWL-122 lets you access your network, using a wireless connection, from virtually anywhere within its operating range. Keep in mind, however, that the number, thickness and location of walls, ceilings, or other objects that the wireless signals must pass through, may limit the range.
  • Page 10: Getting Started

    122 from the USB port, you must click on the icon (illustrated above) that resides in the taskbar. When the screen at right appears, highlight the DWL-122. Click Stop Windows will notify you when it is safe to remove the DWL-122 from the USB port.
  • Page 11 Getting Started (continued) With its default settings, the DWL-122 will connect with other D-Link Air products, right out of the box. There are basically two modes of networking: Infrastructure – using an access point or router, such as the DI-614+.
  • Page 12 DWL-122.) If you are connecting a laptop computer to your network, you can install the DWL-122 into an available USB port on your laptop. (See the Quick Installation Guide included with the DWL-122.) A RADIUS server is optional. Connect a RADIUS server to your network to use all the features of WPA.
  • Page 13 Getting Started (continued) Setting up a Wireless Ad Hoc Network Install the D-Link Air DWL-122 Wireless USB adapter into the desktop computer. (See the Quick Installation Guide included with the product for installation instructions.) Install another DWL-122 into the laptop computer.
  • Page 14 The utility provides the user an easy interface to change any settings related to the wireless adapter. After you have completed the installation of the DWL-122 (refer to the Quick Installation Guide that came with your purchase) whenever you start the computer, the Configuration Utility starts automatically and the system tray icon is loaded in the toolbar (see illustration below.*) Clicking on the utility icon will start the Configuration Utility.
  • Page 15: Using The Configuration Utility With Windows Os

    The default setting is Auto. The channel selection is automatically deter- mined by the DWL-122. Signal Strength: Displays the signal strength of the DWL-122’s wireless connection to the ac- cess point or router. Packet Count: Displays the statistics of the data packets that are transmitted and received.
  • Page 16 Peer-to-Peer environment. Data Encryption: Select Enabled or Disabled. Authentication: Choose one of the following modes: Open Authentication – the DWL-122 is visible to all devices on the network. Shared Authentication – allows communication only with other devices with identical WEP settings.
  • Page 17 Using the Configuration Utility with Windows OS (continued) Ad-Hoc Channel: Advanced All devices in the Ad-Hoc network must be set to the same channel. Profile IP Settings: You can Enable or Disable the IP Settings portion of your profile here. If you select Disable you will need to configure the IP address information...
  • Page 18 Using the Configuration Utility with Windows OS (continued) Available Network: The top section of the window displays the Available Networks. Scroll up and down the list and highlight the network to which you wish to connect. Click on the Connect button. Profile: In the lower half of the screen, you can manage the profiles that you have created for the wireless network at home, at the office and in public places.
  • Page 19 Using the Configuration Utility (continued) Site Survey > Add Advanced In this window you can select the type of network connection. Click OK to save the changes. If you clicked on Add, you can configure, in this window, Configuration, Add or Properties all the properties of a profile that you wish to add to the network.
  • Page 20 Using the Configuration Utility (continued) Site Survey > Configuration > 802.1X To use 802.1x and to configure its settings, please do the following: IEEE 802.1X - Select Enabled. Click Authentication Config Advanced Security Settings Select the EAP Type you want to use. Configure the information needed for authenticating.
  • Page 21 Using the Configuration Utility (continued) 802.1x > Advanced Security Settings > EAP Types EAP Type Inner Authentication Information needed Protocol for Authenticating Certificate EAP-TLS User Name User Name EAP- Password MSCHAPv2 Domain Name User Name LEAP Password TTLS Identity User Name Password TTLS Identity User Name...
  • Page 22 Using the Configuration Utility (continued) 802.1x > Advanced Security Settings > EAP Types (continued) EAP Type Inner Authentication Information needed Protocol for Authenticating TTLS Identity User Name EAP-MD5 Password TTLS Identity EAP- User Name EAP-TTLS Generic Token Card Password TTLS Identity EAP-MSCHAPv2 User Name Password...
  • Page 23: Domain Name

    Using the Configuration Utility (continued) 802.1x > Advanced Security Settings > Definitions of Terms (continued) Domain Name: Each server has a domain name that uniquely identifies it. That domain name is normally contained in the Subject CN field of the server certificate. A server domain name ends with the name of a larger administrative domain, to which the server belongs.
  • Page 24 Using the Configuration Utility (continued) Authentication > WPA Select the available network to which you want to connect. Click Configure. Select WPA in the Authentication field. Click Authentication Config After you click Authentication Config, the Advanced Security Settings screen will appear.
  • Page 25 Using the Configuration Utility (continued) Authentication > WPA-PSK Select the available network to which you want to connect. Click Configure. WPA-PSK does not require a RADIUS Server in the network. Select WPA-PSK in the Authentication field. Click Authentication Config...
  • Page 26 Using the Configuration Utility (continued) Authentication > WPA-PSK (continued) Advanced Security Settings Enter the WPA Passphrase. Click OK. The configuration is done. About About screen gives you the MAC address, Utility Version and the Driver Version of the DWL-122.
  • Page 27 Using the Configuration Settings with Macintosh OS After you have completed the installation of the DWL-122 into your Macintosh computer (please refer to the Quick Installation Guide included with the product), follow the steps below to access the configuration settings.
  • Page 28: Using The Configuration Utility With Macintosh Os

    Using the Configuration Utility with Macintosh OS (continued) This window will ap- pear displaying the following: Current Wireless Network settings: Network Name; Net- work Type; Link Sta- tus; Channel; and Signal Strength. Available Wireless Networks includ- ing: Name; Type; Signal; Channel;...
  • Page 29 Using the Configuration Utility with Macintosh OS (continued) My Networks Connect: Highlight a network profile and click Connect to connect to that network profile. Properties: Highlight a network profile and click Properties to configure that network profile. (See screens on the next page.) Remove: Highlight a network profile and click Remove to remove that network from the profile list.
  • Page 30 Using the Configuration Utility with Macintosh OS (continued) My Networks > Create and/or Properties Select the level of WEP encryp- tion. In the example, 40 Bits ASCII was chosen. Enter the WEP string, in this case 5 ASCII characters have been entered.
  • Page 31 Authentication: Choose one of the following modes: Open Authentication - The DWL-122 is visible to all devices on the network. Shared Authentication - Allows communication only with devices with identical WEP settings. Auto - Will automatically adjust to the Authentication mode of the wire- less access point or router.
  • Page 32: Networking Basics

    Networking Basics Using the Network Setup Wizard in Windows XP In this section you will learn how to establish a network at home or work, using Microsoft Windows XP. Note: Please refer to websites such as http://www.homenethelp.com http://www.microsoft.com/windows2000 for information about networking computers using Windows 2000/Me/98SE.
  • Page 33 Networking Basics (continued) Please follow all the instructions in this window: Click Next. In the following window, select the best description of your computer. If your computer connects to the internet through a gateway/router, select the second option as shown. Click Next.
  • Page 34 Networking Basics (continued) Enter a Computer description and a Computer name (optional.) Click Next. Enter a Workgroup name. All computers on your network should have the same Workgroup name. Click Next.
  • Page 35 Networking Basics (continued) Please wait while the Network Setup Wizard applies the changes. When the changes are complete, click Next. Please wait while the Network Setup Wizard configures the computer. This may take a few minutes.
  • Page 36 Networking Basics (continued) In the window below, select the option that fits your needs. In this example, Create a Network Setup Disk has been selected. You will run this disk on each of the computers on your network. Click Next. Insert a disk into the Floppy Disk Drive, in this case drive A.
  • Page 37 Networking Basics (continued) Please read the information under Here’s how in the screen below. After you complete the Network Setup Wizard you will use the Network Setup Disk to run the Network Setup Wizard once on each of the computers on your network. To continue, click Next.
  • Page 38 Networking Basics (continued) Please read the information on this screen, then click Finish to complete the Network Setup Wizard. The new settings will take effect when you restart the computer. Click Yes to restart the computer. You have completed configuring this computer. Next, you will need to run the Network Setup Disk on all the other computers on your network.
  • Page 39: Naming Your Computer

    Networking Basics (continued) Naming your Computer To name your computer, using Windows XP, please follow these directions: Click Start (in the lower left corner of the screen)  Right-click on My Computer  Select Properties  Select the Computer  Name Tab in the System Properties window.
  • Page 40 Networking Basics (continued) Naming your Computer In this window, enter the  Computer name. Select Workgroup and  enter the name of the Workgroup. All computers on your  network must have the same Workgroup name. Click OK.  Checking the IP Address in Windows XP The wireless adapter-equipped computers in your network must be in the same IP address range (see Getting Started in this manual for a definition of IP address range.)
  • Page 41 Networking Basics (continued) Checking the IP Address in Windows XP This window will appear. Click the  Support tab. Click Close.  Assigning a Static IP Address in Windows XP/2000 Note: Gateways/routers usually assign IP addresses automatically to the comput- ers on the network, using DHCP (Dynamic Host Configuration Protocol) technol- ogy.
  • Page 42 Networking Basics (continued) Assigning a Static IP Address in Windows XP/2000 Double-click  on Network Connections. Right-click on Local Area  Connections. Double-click on  Properties.
  • Page 43 Subnet Mask:  255.255.255.0  Default Gateway: Enter the LAN IP address of the wireless router. (D-Link wireless routers have a LAN IP address of 192.168.0.1) Select Use the following  DNS server addresses. Enter the LAN IP address of the Wireless Router.
  • Page 44 Networking Basics (continued) Checking the Wireless Connection by Pinging in Windows XP/2000* Go to Start > Run >  type cmd. A window similar to this one will appear. Type ping xxx.xxx.xxx. xxx, where xxx is the IP address of the wireless router or access point.
  • Page 45: Troubleshooting

    Troubleshooting This chapter provides solutions to problems that can occur during the installation and operation of the DWL-122. Read the following descriptions if you are having problems. (The examples below are illustrated in Windows XP. If you have another operating system, these solutions will still apply although the appearance on your computer screen may differ.)
  • Page 46 Double-click on Network Adapters. Right-click on D-Link Air  DWL-122 Wireless USB Adapter. D-Link Air DWL-122 Wireless USB Adapter  Select Properties to check that the drivers are installed properly. D-Link Air DWL-122 Wireless USB Adapter D-Link Air DWL-122 Wireless USB Adapter...
  • Page 47 The encryption settings are: 64 or 128-bit. Make sure that the encryption  bit level is the same on the access point or router and the DWL-122. Make sure that the SSID on the access point or router (if you have one ...
  • Page 48: Technical Specifications

    Technical Specifications Standard IEEE 802.11b  Diagnostic LED Power  Link Status  Temperature Operating: 0ºC to 55ºC (32ºF to 131ºF)  Storing: -20ºC to 75ºC (-4ºF to 167ºF)  Humidity: Operating: 5-95%, non-condensing  Storing: 10-90%, non-condensing  Antenna Type: Integrated microstrip diversity antenna ...
  • Page 49 Technical Specifications (continued) Operating Voltage: 5VDC 5%, powered through USB port  Encryption: RC4 Encryption algorithm  64 or 128-bit WEP Encryption  MTBF: >30,000 hours  Modulation Schemes: DQPSK, DBPSK and CCK  Transmitter Output Power: Typical 16dBm, 40mW ...
  • Page 50: Technical Support

    Technical Support You can find software updates and user documentation on the D-Link website. D-Link provides free technical support for customers within the United States and within Canada for the duration of the warranty period on this product. U.S. and Canadian customers can contact D-Link Technical Support through our website, or by phone.
  • Page 51: Warranty And Registration

    Warranty Period from the date of original retail purchase. If a material defect is incapable of correction, or if D-Link determines in its sole discretion that it is not practical to repair or replace the defective Hardware, the price paid by the original purchaser for the defective Hardware will be refunded by D-Link upon return to D-Link of the defective Hardware.
  • Page 52 Canada) D-Link may reject or return any product that is not packaged and shipped in strict compliance with the foregoing requirements, or for which an RMA number is not visible from the outside of the package. The product owner agrees to pay D-Link’s reasonable handling and return shipping charges for any product that...
  • Page 53 Trademarks: D-Link is a registered trademark of D-Link Systems, Inc. Other trademarks or registered trademarks are the property of their respective manufacturers or owners.

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