ZyXEL G-270S User Guide - Page 17

ZyXEL G-270S User’s Guide

Preface

17

Preface

Congratulations on your purchase of the ZyXEL G-270S 802.11g Wireless USB 2.0 Adapter.

Your ZyXEL G-270S is easy to install and configure.

About This User's Guide

This manual is designed to guide you through the configuration of your ZyXEL G-270S for its

various applications.

Related Documentation

•

Supporting Disk

Refer to the included CD for support documents.

•

Quick Start Guide

The Quick Start Guide is designed to help you get up and running right away. They

contain hardware installation/connection information.

•

ZyXEL Glossary and Web Site

Please refer to www.zyxel.com for an online glossary of networking terms and additional

support documentation.

User Guide Feedback

Help us help you. E-mail all User Guide-related comments, questions or suggestions for

improvement to [email protected] or send regular mail to The Technical Writing

Team, ZyXEL Communications Corp., 6 Innovation Road II, Science-Based Industrial Park,

Hsinchu, 300, Taiwan. Thank you.

Syntax Conventions

•

“Enter” means for you to type one or more characters. “Select” or “Choose” means for

you to use one predefined choice.

•

Mouse action sequences are denoted using a comma. For example, “In Windows, click

Start

,

Settings

and then

Control Panel

” means first click the

Start

button, then point

your mouse pointer to

Settings

and then click

Control Panel

.

•

“e.g.,” is a shorthand for “for instance”, and “i.e.,” means “that is” or “in other words”.

•

The ZyXEL G-270S 802.11g Wireless USB 2.0 Adapter may be referred to as the

ZyXEL G-270S in this user’s guide.

Section	Page
ZyXEL G-270S User's Guide	1
Copyright	3
Federal Communications Commission (FCC) Interference Statement	4
ZyXEL Limited Warranty	6
Customer Support	7
Table of Contents	9
List of Figures	13
List of Tables	15
Preface	17
1. Getting Started	19
1.1.1 Application Overview	19
1.1.1.1 Infrastructure	19
1.1.1.2 Ad-Hoc	20
1.2 ZyXEL G-270S Hardware and Utility Installation	21
1.4 Windows XP Users Only	21
1.6 ZyXEL Utility Screen Summary	22
1.7 Connecting to a Wireless LAN	23
1.7.1 Site Survey	23
2. Wireless LAN Network	25
2.1.1 SSID	25
2.1.2 Channel	25
2.1.3 Transmission Rate (Tx Rate)	25
2.1.4 Super G	26
2.2.1 Data Encryption with WEP	26
2.2.2 IEEE 802.1x	26
2.2.2.1 EAP Authentication	27
2.2.3 WPA(2)	27
2.2.3.1 Encryption	27
2.2.3.2 User Authentication	28
2.2.4 WPA(2)-PSK Application Example	28
2.2.5 WPA(2) with RADIUS Application Example	28
2.3 Encryption Type	29
2.4 Preamble Type	29
2.5.1 Enabling OTIST	30
2.5.1.1 AP	30
2.5.1.2 Wireless Client	31
2.5.2 Starting OTIST	32
2.5.3 Notes on OTIST	32
3. ZyXEL Utility Configuration	35
3.2.2 Security Settings	38
3.2.2.1 WEP Encryption	38
3.2.2.2 WPA/WPA2	39
3.2.2.3 WPA-PSK/WPA2-PSK	40
3.2.2.4 802.1x	41
3.2.3 Confirm Save Screen	42
3.3 The Profile Screen	43
3.3.1 Adding a New Profile	45
3.4 The Adapter Screen	49
4. Maintenance	51
4.1 The About Screen	51
5. Troubleshooting	53
5.1 Problems Starting the ZyXEL Utility Program	53
5.2 Problem with the Link Status	53
5.3 Problems Communicating With Other Computers	54
A. Product Specifications	55
B. Disable Windows XP Wireless LAN Configuration Tool	57
Via the Wireless Network System Tray Icon	57
Via the Control Panel	60
C. Management with Wireless Zero Configuration	63
Activating Wireless Zero Configuration	63
Connecting to a Wireless Network	64
Security Settings	67
Association	68
Authentication	69
Ordering the Preferred Networks	72
D. Types of EAP Authentication	75
EAP-MD5 (Message-Digest Algorithm 5)	75
EAP-TLS (Transport Layer Security)	75
EAP-TTLS (Tunneled Transport Layer Service)	75
PEAP (Protected EAP)	76
LEAP	76
Dynamic WEP Key Exchange	76
WPA(2)	77
User Authentication	77
Encryption	77
Security Parameters Summary	78
Index	79
Numerics	79
A	79
C	79
D	79
E	79
F	79
G	79
H	79
I	79
L	80
M	80
N	80
O	80
P	80
Q	80
R	80
S	80
T	80
U	81
V	81
W	81

ZyXEL G-270S User Guide - Page 17

Preface - 802 11g wireless usb adapter

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