
 ZyAIR G-200 User’s Guide 
Table of Contents ix 
Table of Contents
Copyright.......................................................................................................................................................ii 
ZyXEL Limited Warranty ..........................................................................................................................iii 
Information for Canadian Users.................................................................................................................iv 
Federal Communications Commission (FCC) Interference Statement.................................................... v 
Customer Support.......................................................................................................................................vii 
List of Figures...............................................................................................................................................xi 
List of Tables ...............................................................................................................................................xii 
Preface.........................................................................................................................................................xiii 
Chapter 1 Getting Started.........................................................................................................................1-1 
1.1 ZyAIR Hardware and Utility Installation.....................................................................................1-1 
1.2 Disable Windows XP Wireless LAN Configuration Tool ...........................................................1-1 
1.3 Accessing the ZyAIR Utility........................................................................................................1-4 
Chapter 2 Using the ZyAIR Utility...........................................................................................................2-1 
2.1 About the Wireless LAN Network...............................................................................................2-1
2.1.1 SSID.....................................................................................................................................2-1 
2.1.2 Channel ................................................................................................................................2-1 
2.1.3 Transmission Rate................................................................................................................2-1 
2.2 Wireless Network Application .....................................................................................................2-1 
2.2.1 Ad-Hoc (IBSS).....................................................................................................................2-1 
2.2.2 Infrastructure ........................................................................................................................2-2 
2.3 Roaming.......................................................................................................................................2-3 
2.4 The Link Info Screen ...................................................................................................................2-4 
2.5 The Site Survey Screen ................................................................................................................2-6 
2.5.1 Connecting to a Wireless Network.......................................................................................2-7 
2.6 The Configuration Screen ............................................................................................................2-7 
2.7 Wireless LAN Security ................................................................................................................2-9 
2.7.1 Data Encryption with WEP ................................................................................................2-10 
2.8 The Encryption Screen ...............................................................................................................2-10 
2.9 The About Screen.......................................................................................................................2-13 
Chapter 3 Maintenance .............................................................................................................................3-1 
3.1 Removing the ZyAIR Utility........................................................................................................3-1 
3.2 Upgrading the ZyAIR Utility .......................................................................................................3-1 
3.3 Disconnecting the ZyAIR.............................................................................................................3-2 
Chapter 4 Troubleshooting .......................................................................................................................4-1 
4.1 Problems Using the ZyAIR..........................................................................................................4-2 
4.2 Problems Starting the ZyAIR Utility Program.............................................................................4-1