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If I Want To?, What's Needed?, What Do I Do?, How Do I?, Introduction

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User's Manual for the NETGEAR Super AG Wireless USB 2.0 Adapter WG111U Table 2-1. A Road Map for How to Get There From Here If I Want To? What's Needed? What Do I Do? How Do I? Connect to the 1. An active Internet 1. Activate your To configure your WG111U in Internet over the connection like those from wireless link and Infrastructure Mode, see "Basic wireless cable or DSL service verify your network Installation Instructions" on network. providers. connection. page 3-4, and locate the section 2. A wireless network 2. Open an Internet for your version of Windows. connected to the cable or browser such as DSL Internet service Internet Explorer For assistance with configuring through a cable/DSL or Netscape the TCP/IP Internet software on router as illustrated in Navigator. a PC, see "Preparing Your "Connecting to an Access Computers for TCP/IP Point in Infrastructure Networking" on page C-4 or refer Mode" on page 4-2. to the PC Networking Tutorial on 3. TCP/IP Internet the NETGEAR Super AG networking software Wireless USB 2.0 Adapter installed and configured WG111U Resource CD and the on your PC according to Help information provided in the the requirements of the Windows system you are using. Internet service provider. . 4. A browser like Internet Explorer or Netscape Navigator. 2-6 Introduction 202-10065-01

Section	Page
User’s Manual for the NETGEAR Super AG Wireless USB 2.0 Adapter WG111U	1
Technical Support	2
Statement of Conditions	2
FCC Information to User	2
Regulatory Compliance Information	3
Export Restrictions	4
Europe - EU Declaration of Conformity	4
Requirements For Operation in the European Community	4
Canadian Department of Communications Radio Interference Regulations	8
Chapter 1 About This Manual	13
Audience, Scope, Conventions	13
Table 1. Typographical conventions	13
Table 1-1. Manual Specifications	13
How to Use this Manual	14
Figure 1-1: HTML version of this manual	14
How to Print this Manual	15
Chapter 2 Introduction	17
About the WG111U	17
Key Features	18
802.11a and 802.11b/g Wireless Networking	18
Comparing the 802.11a, 802.11b, and 802.11g Modes	19
Table 2-1. Comparison of Wireless Modes	19
What’s in the Box?	20
A Road Map for ‘How to Get There From Here’	20
Chapter 3 Basic Setup	25
What You Need Before You Begin	25
Verifying System Requirements	25
Observing Location and Range Guidelines	26
Determining Placement of the USB Adapter	26
Figure 3-1: Personal computer with WG111U attached to the monitor	26
Figure 3-2: Attach fastener to back of plastic cradle	27
Two Basic Operating Modes	27
WG111U Default Wireless Configuration Settings	28
Basic Installation Instructions	28
For Windows XP Users Installing a WG111U	29
For Windows 2000, ME, and 98SE Users Installing a WG111U	33
WG111U Wireless Connection Indicators	36
Interpreting the LED on the WG111U	37
Table 3-1: LED Descriptions	37
Interpreting System Tray Icon Colors	38
Chapter 4 Configuration	39
Understanding the Configuration Options	39
Using Configuration Profiles	39
Connecting to an Access Point in Infrastructure Mode	40
How to Configure an Infrastructure Mode Profile	40
Figure 4-1: Settings page	41
Connecting to Another PC in Ad-hoc Mode	42
How to Configure an Ad-hoc Mode Profile	42
Figure 4-2: Settings page	43
Figure 4-3: Ad-Hoc Setting dialog box	43
What’s on the Statistics Page?	45
Figure 4-4: Statistics page	45
Understanding the Advanced Settings Page	46
Figure 4-5: Advanced Settings page	46
European Regulatory Requirements for Transmit Power Control	47
Chapter 5 Wireless Security Configuration	49
Understanding the Security Options	49
Using WEP Security	50
Basic Requirements for WEP	50
WEP Security Settings Worksheet	51
How to Configure WEP Encryption Security	52
Figure 5-1: WEP settings screen	52
Using WPA-PSK Advanced Security	53
Basic Requirements for WPA-PSK	53
WPA-PSK Security Settings Worksheet	54
How to Configure WPA-PSK Advanced Security	54
Figure 5-2: WPA-PSK settings screen	55
Chapter 6 Troubleshooting	57
Basic Tips	57
Frequently Asked Questions	58
General Questions	58
Why do I see no more than 54 Mbps on the Configuration Utility status line?	58
The WG111U Smart Configuration Utility keeps asking me to save my settings	58
Ad Hoc mode is not working correctly	58
How to know if the WG111U card has received a valid IP address	59
How to use XP’s own Wireless configuration utility	59
I cannot connect to the AP that I want from the Networks browser list	59
New Hardware Wizard appears after installation has completed	59
How to get a PDF copy of the Manual	59
Appendix A Technical Specifications	61
Appendix B Wireless Networking Basics	63
Wireless Networking Overview	63
Infrastructure Mode	63
Ad Hoc Mode (Peer-to-Peer Workgroup)	64
Network Name: Extended Service Set Identification (ESSID)	64
Wireless Channels	64
WEP Wireless Security	66
WEP Authentication	66
WEP Open System Authentication	67
WEP Shared Key Authentication	68
Key Size and Configuration	69
How to Use WEP Parameters	70
WPA Wireless Security	70
How Does WPA Compare to WEP?	71
How Does WPA Compare to IEEE 802.11i?	72
What are the Key Features of WPA Security?	72
WPA Authentication: Enterprise-level User Authentication via 802.1x/EAP and RADIUS	74
WPA Data Encryption Key Management	76
Is WPA Perfect?	78
Product Support for WPA	78
Supporting a Mixture of WPA and WEP Wireless Clients	78
Changes to Wireless Access Points	78
Changes to Wireless Network Adapters	79
Changes to Wireless Client Programs	80
Appendix C Preparing Your Network to Work with a Router	81
What You Need To Use a Router with a Broadband Modem	81
Cabling and Computer Hardware	81
Computer Network Configuration Requirements	81
Internet Configuration Requirements	82
Where Do I Get the Internet Configuration Parameters?	82
Record Your Internet Connection Information	83
Preparing Your Computers for TCP/IP Networking	84
Configuring Windows 95, 98, and Me for TCP/IP Networking	85
Installing or Verifying Windows Networking Components	85
Installing a New Adapter	85
Installing TCP/IP	86
Installing the Client for Microsoft Networks	86
Enabling DHCP to Automatically Configure TCP/IP Settings in Windows 95B, 98, and Me	86
Selecting the Windows’ Internet Access Method	88
Verifying TCP/IP Properties	88
Configuring Windows NT4, 2000 or XP for IP Networking	89
Installing or Verifying Windows Networking Components	89
Configuring DHCP of TCP/IP in Windows XP, 2000, or NT4	90
DHCP Configuration of TCP/IP in Windows XP	90
DHCP Configuration of TCP/IP in Windows 2000	92
DHCP Configuration of TCP/IP in Windows NT4	94
Verifying TCP/IP Properties for Windows XP, 2000, and NT4	95
Configuring the Macintosh for TCP/IP Networking	96
MacOS 8.6 or 9.x	96
MacOS X	96
Verifying TCP/IP Properties for Macintosh Computers	97
Verifying the Readiness of Your Internet Account	97
Are Login Protocols Used?	98
What Is Your Configuration Information?	98
Obtaining ISP Configuration Information for Windows Computers	99
Obtaining ISP Configuration Information for Macintosh Computers	100
Restarting the Network	100
Glossary	101