NETGEAR WG121 user manual Two Basic Operating Modes, Observing Location and Range Guidelines

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User Manual for the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121

Windows XP Home, Windows XP Professional, 2000, Me, 98SE or 98 Some versions of Windows may ask for the original Windows operating system installation files to complete the installation of the WG121 driver software.

Observing Location and Range Guidelines

Computers can connect over wireless networks indoors at a range which vary significantly based on the physical location of the computer with the NETGEAR 54 Mbps Wireless USB 2.0 Adapter WG121. For best results, avoid potential sources of interference, such as:

Large metal surfaces

Microwaves

2.4 GHz Cordless phones

In general, wireless devices can communicate through walls. However, if the walls are constructed with concrete, or have metal, or metal mesh, the effective range will decrease if such materials are between the devices.

Two Basic Operating Modes

The WG121 Wireless USB 2.0 Adapter can operate in the following two basic modes:

Infrastructure Mode: An 802.11 networking framework in which devices and computers communicate with each other by first going through an access point (AP). For example, this mode is used when computers in a house connect to an Access Point that is attached to a router which lets multiple computers share a single Cable or DSL broadband Internet connection.

Ad-Hoc Mode: An 802.11 networking framework in which devices or computers communicate directly with each other, without the use of an AP. For example, Ad-Hoc Mode is used when two Windows computers are configured with file and print sharing enabled and you want to exchange files directly between them.

Both of these configuration options are available with the WG121 Wireless USB 2.0 Adapter. Infrastructure configuration procedures for basic network connectivity are covered below. Advanced infrastructure configuration procedures and ad-hoc configuration are covered in Chapter 4, “Configuration” of this manual.

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Basic Setup

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Contents NETGEAR, Inc Technical Support FCC Information to User Export Restrictions Requirements For Operation in the European Community Page Vii Viii Contents Appendix C Preparing Your PCs for Network Access Glossary Index Xii Contents Chapter About This Manual Audience, Scope, ConventionsHow to Use this Manual Html version of this manualHow to Print this Manual About This Manual Chapter Introduction About the Netgear 54 Mbps Wireless USB 2.0 Adapter WG121Key Features and Related Netgear Products What’s in the Box? Road Map for ‘How to Get There From Here’ Road Map for How to Get There From Here Netgear 54 Mbps Exchange files Use printers Introduction Verifying System Requirements Chapter Basic SetupWhat You Need Before You Begin Two Basic Operating Modes Observing Location and Range GuidelinesWG121 Default Wireless Configuration Settings Install the WG121 driver and configuration utility software Basic Installation InstructionsFor Windows XP Users Installing a WG121 Install the Netgear 54 Mbps Wireless USB 2.0 Adapter WG121 Configure your WG121 Verify wireless connectivity to your network LED DescriptionsFor Windows 2000 & 98/Me Users Installing a WG121 Click Install Driver & UtilityFound New Hardware Wizard WG121 System Tray Icon Configure your WG121 and save ProfileVerify wireless connectivity to your network WG121 Wireless Connection Indicators Interpreting the LED on the WG121Interpreting System Tray Icon Colors Color Condition DescriptionTroubleshooting Basic TipsTroubleshooting Frequently Asked Questions Click Windows XP Hotfix SP2 Q815485, and then click RemoveBasic Setup Basic Setup Basic Setup Using Configuration Profiles Chapter ConfigurationUnderstanding the Configuration Options Run the WG121 Configuration Utility Connecting to an Access Point in Infrastructure ModeHow to Configure an Infrastructure Mode Profile Configure the wireless Network settingsConnecting to Another PC in Ad-hoc Mode How to Configure an Ad-hoc Mode ProfileConfigure the PC network settings Windows Run program dialog boxPing test results Enabling Wireless Security Features How to Start a Computer-to-Computer Ad-Hoc NetworkHow to Configure WEP Encryption Security Configure the Security settingsSave your settings in a Profile Advanced Settings StatisticsConfiguration Appendix a Technical Specifications FCC, CETechnical Specifications Infrastructure Mode Appendix B Wireless Networking BasicsWireless Networking Overview Network Name Extended Service Set Identification Essid Authentication and WEPAd Hoc Mode Peer-to-Peer Workgroup Authentication Open System AuthenticationAuthentication Open System Steps Authentication Shared Key Steps Do Not Use WEPWEP Configuration Options Key SizeWireless Channels Radio frequency channels used are listed in Table Install or Verify Windows Networking Components Appendix C Preparing Your PCs for Network AccessConfiguring Windows 98 and Me for TCP/IP Networking Preparing Your Computers for TCP/IP NetworkingPreparing Your PCs for Network Access Choose Settings, and then Control Panel Locate your Network Neighborhood iconPrimary Network Logon is set to Windows logon Selecting Windows’ Internet Access Method Verifying TCP/IP PropertiesConfiguring Windows 2000 or XP for TCP/IP Networking Dhcp Configuration of TCP/IP in Windows XP or Dhcp Configuration of TCP/IP in Windows XPTCP/IP details are presented on Support tab Right click on Local Area Connection and select Properties Dhcp Configuration of TCP/IP in WindowsVerify that Obtain an IP address Obtain an IP address automatically is selected Verifying TCP/IP Properties for Windows XP or Preparing Your PCs for Network Access Glossary DSL Internet service provider Ssid Wins Glossary Index Numerics