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D-Link DWA-120 User Manual

Wireless 108g usb adapter
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  • Page 2: Table Of Contents

    What is WEP? ............31 Package Contents ........... 3 What is WPA? ............32 Configure WEP ............33 System Requirements ..........3 Using the D-Link Wireless Connection Manager 33 Introduction .............. 4 ® Using the Windows Vista ......35 Features ..............5 ®...

  • Page 3: Product Overview

    Section 1 - Product Overview Product Overview Package Contents • D-Link DWA-120 Wireless 108G USB Adapter • Manual, Software, and Warranty on CD • Cradle System Requirements • A computer or laptop with an available USB 2.0 port • Windows ®...

  • Page 4: Introduction

    Compact in size, robust in speed the DWA-120 Wireless 108G USB Adapter is great for travel and a convenient solution for providing high performance wireless connectivity to your desktop or notebook PC. Enjoy the many benefits of wireless connectivity today! * Maximum wireless signal rate derived from IEEE Standard 802.11g specifications.

  • Page 5: Features

    Protected Access) providing you a much higher level of security for your data and communication than has previously been available. • Optimal wireless reception using its cradle (included). Position the DWA-120 almost anywhere in your workspace to achieve the best reception possible.

  • Page 6: Hardware Overview

    A b l i n k i n g l i g h t i n d i c a t e s transmission of data. USB Port Used to connect the DWA-120 to your computer. D-Link DWA-120 User Manual...

  • Page 7: Installation

    Remove Existing Installations If you’ve installed a different manufacture’s adapter or a different model D-Link adapter, make sure the software is uninstalled before installing the new software. Some utilities may cause a conflict with the new software. If you plan to use multiple adapters at different times, make sure the utilities are not set to load when your computer boots up.

  • Page 8: Disable Other Wireless Adapters

    Section 2 - Installation Disable Other Wireless Adapters Most newer laptops may include a built-in wireless adapter. To prevent any conflicts with the D-Link wireless adapter, it is recommended to disable the wireless adapter (as well as any unused Ethernet adapters).
  • Page 9 Click Yes to disable the adapter. The adapter is now disabled. When disabled, a red X will be displayed. Disabling the adapter will not remove the drivers. If you would like to use the adapter, simply right-click it and select Enable. D-Link DWA-120 User Manual...

  • Page 10: Wireless Installation Considerations

    1. Keep the number of walls and ceilings between the D-Link adapter and other network devices to a minimum - each wall or ceiling can reduce your adapter’s range from 3-90 feet (1-30 meters.) Position your devices so that the number of walls or ceilings is minimized.

  • Page 11: Software Installation

    Section 2 - Installation Software Installation Turn on the computer and Insert the D-Link DWA-120 Driver CD in the CD-ROM drive. The step-by-step instructions that follow are shown in Windows XP. The steps and screens are similar for the other Windows operating systems.
  • Page 12 Click Next to continue. By default setup will install to the default location: C:\Program Files\Rangebooster G DWA-120, where C: represents the drive letter of your hard drive. To install to a different location click Browse and specify the location. Click Next.
  • Page 13 Section 2 - Installation Insert the adapter into an available USB port on your computer. Optional: If desired or necessary, attach the cradle between the DWA-120 and your computer. If the Found New Hardware Wizard appears, click Cancel. Click Next to continue.
  • Page 14 Section 2 - Installation If the wireless network you are trying to connect to is encrypted, enter the WEP key or WPA-PSK passphrase. Click Next to continue. Click Finish to exit the wizard. D-Link DWA-120 User Manual...
  • Page 15 Click “Press” to connect to your wireless network. Click the push button on your access point. Note: please press the button on the access point within 120 seconds and it is recommended that the access point is nearby. D-Link DWA-120 User Manual...
  • Page 16 Section 2 - Installation Connection Established And Click “Next”. Click “Finish” to complete installation. D-Link DWA-120 User Manual...
  • Page 17 Click “Retry” to re-connect to your wireless network with WPS. Click “Next” to select the way you want to get connected to your wireless network. Click ”Exit ” to complete the installation. Click “Finish” to complete. D-Link DWA-120 User Manual...

  • Page 18: Configuration

    Section 3 - Configuration Configuration This section will show you how to configure your new D-Link wireless adapter using the D-Link Utility as well as the Windows XP Zero Configuration Utility and Vista WLAN Auto Configuration and Vista WLAN Autoconfig.

  • Page 19: Wireless Networks

    Enter the security information to connect (refer to the Wireless Security section for more information). Activate Button: Select a wireless network profile from the drop-down menu and click Activate to connect. Allow up to 30 seconds to connect. D-Link DWA-120 User Manual...

  • Page 20: D-Link Wi-Fi Protected Setup

    PIN: “Personal Identification Number” is an unique number that is generated randomly by device. PIN should be entered on the utility of your access point and be accepted to get connected. D-Link DWA-120 User Manual...

  • Page 21: My Wireless Networks

    Profile Details: The Profile Details section will display information about the wireless network such as the network name (SSID), network type (Infrastructure or Ad-Hoc), and if the network is secured. D-Link DWA-120 User Manual...

  • Page 22: Add Profile

    Infrastructure. If you are connecting to another wireless client such as an adapter, select Ad-Hoc. Set Security: Select the type of security used. Please refer to the Wireless Security section for more information. OK Button: Click OK to save your settings. D-Link DWA-120 User Manual...

  • Page 23: Modify Profile

    Displays the SSID of the network. Network Type: Displays the network type. Set Security: Select the type of security used. Please refer to the Wireless Security section for more information. OK Button: Click OK to save your settings. D-Link DWA-120 User Manual...

  • Page 24: Support

    Section 3 - Configuration Support If you need help, click the Support button. A pane will appear to the right of the utility which will display information about the utility. D-Link DWA-120 User Manual...

  • Page 25: About

    Section 3 - Configuration About The About screen gives you information about the Firmware and Utility Versions of the DWA-120. D-Link DWA-120 User Manual...

  • Page 26: Connect To A Wireless Network

    Click on a network (displayed using the SSID) and click the Connect button. If you get a good signal but cannot access the Internet, check you TCP/IP settings for your wireless adapter. Refer to the Networking Basics section in this manual for more information. D-Link DWA-120 User Manual...
  • Page 27 It may take 20-30 seconds to connect to the wireless network. If the connection fails, please verify that the security settings are correct. The key or passphrase must be exactly the same as on the wireless router. D-Link DWA-120 User Manual...

  • Page 28: Using Windows ® Xp

    ® 2 or later users. If you are using Windows 2000, you must use the D-Link utility. Please refer to page 18. ® If you receive the Wireless Networks Detected bubble, click on the center of the bubble to access the utility.

  • Page 29: Disabling The Windows ® Xp Utility

    Section 3 - Configuration Disabling The Windows XP Utility ® If you want to use the D-Link wireless utility you must disable the Windows ® XP wireless utility. Right-click on the wireless computer icon in your system tray (lower-right corner next to the time). Select View Available Wireless Networks.
  • Page 30 Section 3 - Configuration In the Wireless Network Connection Properties window, uncheck Use Windows to configure my wireless network ® settings and then click OK. D-Link DWA-120 User Manual...

  • Page 31: Wireless Security

    Section 4 - Wireless Security Wireless Security This section will show you the different levels of security you can use to protect your data from intruders. The DWA-120 offers the following types of security: • WPA2 (Wi-Fi Protected Access 2) • WPA2-PSK (Pre-Shared Key) •...

  • Page 32: What Is Wpa

    WPA/WPA2 incorporates user authentication through the Extensible Authentication Protocol (EAP). EAP is built on a more secure public key encryption system to ensure that only authorized network users can access the network. D-Link DWA-120 User Manual...

  • Page 33: Configure Wep

    It is recommended to enable WEP on your wireless router or access point before configuring your wireless adapter. If you are joining an existing network, you will need to know the WEP key being used. 1. Open the Wireless Utility by double-clicking on the D-Link icon in your system tray (lower-right corner of screen). From the list of available wireless networks, select the network you want to connect to and click Connect.
  • Page 34 WEP key exactly the same on all wireless devices. It is strongly recommended to set the authentication to Shared Key. 1. Open the Wireless Utility by double-clicking on the D-Link icon in your system tray (lower-right corner of screen). Click on New to create a new profile or highlight an existing profile and click Modify.

  • Page 35: Using The Windows ® Vista

    ® ™ on the wireless computer icon in your system tray (lower right corner of screen). Select Connect to a network. 2. Highlight the wireless network (SSID) you would like to connect to and click Connect. D-Link DWA-120 User Manual...
  • Page 36 It may take 20-30 seconds to connect to the wireless network. If the connection fails, please verify that the security settings are correct. The key or passphrase must be exactly the same as on the wireless router. D-Link DWA-120 User Manual...

  • Page 37: Using The Windows ® Xp Utility

    XP Wireless Utility by right-clicking ® on the wireless computer icon in your system tray (lower-right corner of screen). Select View Available Wireless Networks. 2. Highlight the wireless network (SSID) you would like to connect to and click Connect. D-Link DWA-120 User Manual...
  • Page 38 It may take 20-30 seconds to connect to the wireless network. If the connection fails, please verify that the WEP settings are correct. The WEP key must be exactly the same as on the wireless router or access point. D-Link DWA-120 User Manual...

  • Page 39: Configure Wpa/Wpa2-Personal

    It is recommended to enable WPA-PSK on your wireless router or access point before configuring your wireless adapter. If you are joining an existing network, you will need to know the WPA-PSK passphrase being used. 1. Open the Wireless Utility by double-clicking on the D-Link icon in your system tray (lower-right corner of screen).
  • Page 40 Make sure you enter the passphrase exactly the same on all wireless devices. 1. Open the Wireless Utility by double-clicking on the D-Link icon in your system tray (lower-right corner of screen). Click on New to create a new profile or highlight an existing profile and click Modify.
  • Page 41 Wireless Utility by right-clicking on the ® ™ wireless computer icon in your system tray (lower right corner of screen). Select Connect to a network. 2. Highlight the wireless network (SSID) you would like to connect to and click Connect. D-Link DWA-120 User Manual...
  • Page 42 It may take 20-30 seconds to connect to the wireless network. If the connection fails, please verify that the security settings are correct. The key or passphrase must be exactly the same as on the wireless router. D-Link DWA-120 User Manual...

  • Page 43: Using The Windows ® Xp Utility

    XP Wireless Utility by right-clicking ® on the wireless computer icon in your system tray (lower-right corner of screen). Select View Available Wireless Networks. 2. Highlight the wireless network (SSID) you would like to connect to and click Connect. D-Link DWA-120 User Manual...
  • Page 44 It may take 20-30 seconds to connect to the wireless network. If the connection fails, please verify that the WPA-PSK settings are correct. The WPA-PSK passphrase must be exactly the same as on the wireless router or access point. D-Link DWA-120 User Manual...

  • Page 45: Configure Wpa/Wpa2-Enterprise

    WPA and WPA2 are for advanced users who are familiar with using a RADIUS server and setting up certificates. 1. Open the Wireless Utility by double-clicking on the D-Link icon in your system tray (lower-right corner of screen). Click on New to create a new profile or highlight an existing profile and click Modify.

  • Page 46: Configure 802.1X

    802.1x is for advanced users who are familiar with using a RADIUS server and setting up certificates. 1. Open the Wireless Utility by double-clicking on the D-Link icon in your system tray (lower-right corner of screen). Click on New to create a new profile or highlight an existing profile and click Modify.

  • Page 47: Troubleshooting

    Section 5 - Troubleshooting Troubleshooting This chapter provides solutions to problems that can occur during the installation and operation of the DWA-120. Read the following descriptions if you are having problems. (The examples below are illustrated in Windows XP. If you ®...
  • Page 48 Section 5 - Troubleshooting Click the + sign next to Network Adapters. Right-click on D-Link Wireless 108G DWA-120 USB Adapter. Select Properties to check that the drivers are installed properly. D-Link DWA-120 Wireless USB Adapter Look under Device Status to check that the device is working properly.
  • Page 49 ® were previously loaded. 3. The computer with the DWA-120 installed is unable to connect to the wireless network and/or the Internet. • Check that the LED indicators for the broadband modem are indicating normal activity. If not, there may be a problem with the broadband connection.
  • Page 50 WLAN icon in the taskbar > click on Configuration to change the settings for the wireless adapter. If Security is enabled, make sure that the correct encryption keys are entered on both the DWA-120 and the access point. Double-click on the WLAN icon in the taskbar > click Encryption. Check to see that the key selected is set to the same key as other devices on the network.

  • Page 51: Wireless Basics

    Strictly adhering to the IEEE standard, the D-Link wireless family of products will allow you to securely access the data you want, when and where you want it. You will be able to enjoy the freedom that wireless networking delivers.
  • Page 52 Why D-Link Wireless? D-Link is the worldwide leader and award winning designer, developer, and manufacturer of networking products. D-Link delivers the performance you need at a price you can afford. D-Link has all the products you need to build your network.
  • Page 53 Who uses wireless? Wireless technology as become so popular in recent years that almost everyone is using it, whether it’s for home, office, business, D-Link has a wireless solution for it. Home • Gives everyone at home broadband access •...
  • Page 54 The wireless connection in public places is usually called “hotspots”. Using a D-Link USB Adapter with your laptop, you can access the hotspot to connect to Internet from remote locations like: Airports, Hotels, Coffee Shops, Libraries, Restaurants, and Convention Centers.

  • Page 55: Wireless Modes

    • Ad-Hoc – Directly connecting to another computer, for peer-to-peer communication, using wireless network adapters on each computer, such as two or more DWA-120 wireless network USB adapters. An Infrastructure network contains an Access Point or wireless router. All the wireless devices, or clients, will connect to the wireless router or access point.

  • Page 56: Networking Basics

    Check your IP address After you install your new D-Link adapter, by default, the TCP/IP settings should be set to obtain an IP address from a DHCP server (i.e. wireless router) automatically. To verify your IP address, please follow the steps below.

  • Page 57: Statically Assign An Ip Address

    2000 - From the desktop, right-click My Network Places > Properties. ® Step 2 Right-click on the Local Area Connection which represents your D-Link network adapter and select Properties. Step 3 Highlight Internet Protocol (TCP/IP) and click Properties. Step 4 Click Use the following IP address and enter an IP address that is on the same subnet as your network or the LAN IP address on your router.

  • Page 58: Technical Specifications

    2.4GHz to 2.462GHz Transmitter Output Power 15dBm ± 2dB Wireless Signal Range* • Indoors: Up to 328 feet (100 meters) Internal Antenna Type • Outdoors: Up to 1,312 feet (400 meters) Dual Printed Antenna Diversity Switching. D-Link DWA-120 User Manual...
  • Page 59 * Maximum wireless signal rate derived from IEEE Standard 802.11g specifications. Actual data throughput will vary. Network conditions and environmental factors, including volume of network traffic, building materials and construction, and network overhead, lower actual data throughput rate. Environmental factors will adversely affect wireless signal range. D-Link DWA-120 User Manual...
  • Page 60 Version 1.20 2008/10/27 D-Link DWA-120 User Manual...

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