User's Manual

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Table Of Contents

User’s Guide
Copyright
Certifications
Safety Warnings
ZyXEL Limited Warranty
Customer Support
Table of Contents
List of Figures
List of Tables
Preface
Getting Started
- 1.1 About Your AG-220
- 1.2 Application Overview
- 1.3 AG-220 Hardware and Utility Installation
  - 1.3.1 ZyXEL Utility Icon
- 1.4 Configuration Methods
  - 1.4.1 Enabling WZC
  - 1.4.2 Accessing the ZyXEL Utility
Tutorial
- 2.1 Connecting to a Wireless LAN
- 2.2 Creating and Using a Profile
- 2.3 Configuring the AG-220 as an AP
Wireless LAN Network
- 3.1 Wireless LAN Overview
- 3.2 Wireless LAN Security
- 3.3 Introduction to OTIST
Wireless Station Mode Configuration
- 4.1 Wireless Station Mode Overview
  - 4.1.1 ZyXEL Utility Screen Summary
- 4.2 The Link Info Screen
  - 4.2.1 Trend Chart
- 4.3 The Site Survey Screen
  - 4.3.1 Security Settings
  - 4.3.2 Confirm Save Screen
- 4.4 The Profile Screen
  - 4.4.1 Adding a New Profile
- 4.5 The Advanced Screen
- 4.6 The Adapter Screen
Access Point Mode Configuration
- 5.1 Access Point Mode Introduction
  - 5.1.1 ZyXEL Utility Screen Summary
  - 5.1.2 Additional Setup Requirements
- 5.2 The Link Info Screen
- 5.3 The Configuration Screen
- 5.4 The Advanced Screen
- 5.5 The MAC Filter Screen
Maintenance
- 6.1 The About Screen
- 6.2 Uninstalling the ZyXEL Utility
- 6.3 Upgrading the ZyXEL Utility
Troubleshooting
- 7.1 Problems Starting the ZyXEL Utility
- 7.2 Problem Connecting to an Access Point
- 7.3 Problem with the Link Quality
- 7.4 Problems Communicating With Other Computers
Product Specifications
Access Point Mode Setup Example
- Configuring the Computer on Which You Install the AG-220
- Configuring the Wireless Station Computer
Management with Wireless Zero Configuration
- Activating Wireless Zero Configuration
- Connecting to a Wireless Network
- Security Settings
  - Association
  - Authentication
- Ordering the Preferred Networks
Wireless Security
- Types of EAP Authentication
- Dynamic WEP Key Exchange
- WPA and WPA2
- Security Parameters Summary
Setting up Your Computer’s IP Address
- Windows 98/Me
- Windows 2000/XP
  - Verifying Settings
Index
- A
- B
- C
- D
- E
- F
- G
- H
- I
- L
- M
- N
- O
- P
- Q
- R
- S
- T
- U
- V
- W
- Z

ZyXEL AG-220 User’s Guide

70 Chapter 6 Maintenance

Figure 45 Uninstall: Confirm

3 Click Finish to complete uninstalling the software and restart the computer when

prompted.

Figure 46 Uninstall: Finish

6.3 Upgrading the ZyXEL Utility

Note: Before you uninstall the ZyXEL utility, take note of your current wireless

configurations.

To perform the upgrade, follow the steps below.

1 Download the latest version of the utility from the ZyXEL web site and save the file on

your computer.

2 Follow the steps in Section 6.2 on page 69 to remove the current ZyXEL utility from your

computer.

3 Restart your computer when prompted.

4 Disconnect the AG-220 from your computer.

5 Double-click on the setup program for the new utility to start the ZyXEL utility

installation.

6 Insert the AG-220 and check the version numbers in the About screen to make sure the

new utility is installed properly.