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ZyXEL G-260 User Guide - Page 50

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ZyXEL G-260 User's Guide CHAPTER 4 Maintenance This chapter describes how to uninstall or upgrade the ZyXEL Utility. 4.1 The About Screen The About screen displays related version numbers of the ZyXEL G-260. To display the screen as shown below, click the about ( ) button. Figure 26 About The following table describes the read-only fields in this screen. Table 15 About LABEL Driver Version Utility Version DESCRIPTION This field displays the version number of the ZyXEL G-260 driver. This field displays the version number of the ZyXEL Utility. 4.2 Uninstalling the ZyXEL Utility Follow the steps below to remove (or uninstall) the ZyXEL Utility from your computer. 1 Click Start, Programs, ZyXEL G-260 Utility, Uninstall ZyXEL G-260 Utility. 2 When prompted, click OK or Yes to remove the driver and the utility software. Chapter 4 Maintenance 50

Section	Page
ZyXEL G-260 User’s Guide	1
Copyright	2
Federal Communications Commission (FCC) Interference Statement	3
ZyXEL Limited Warranty	5
Customer Support	6
Table of Contents	8
List of Figures	12
List of Tables	14
Preface	16
Getting Started	18
1.1.1 Application Overview	18
1.1.1.1 Infrastructure	18
1.1.1.2 Ad-Hoc	19
1.2 ZyXEL G-260 Hardware and Utility Installation	19
1.4 Windows XP Users Only	19
1.6 Connecting to a Wireless LAN	20
1.6.1 Site Survey	20
1.7 ZyXEL Utility Screen Summary	22
Wireless LAN Network	24
2.1.1 SSID	24
2.1.2 Channel	24
2.1.3 Transmission Rate (Tx Rate)	24
2.2.1 Data Encryption with WEP	25
2.2.2 IEEE 802.1x	25
2.2.2.1 EAP Authentication	25
2.2.3 WPA(2)	26
2.2.3.1 User Authentication	26
2.2.3.2 Encryption	26
2.2.4 WPA(2)-PSK Application Example	27
2.2.5 WPA with RADIUS Application Example	27
2.3 Encryption Type	28
2.4 Preamble Type	28
2.5.1 Enabling OTIST	29
2.5.1.1 AP	29
2.5.1.2 Wireless Client	30
2.5.2 Starting OTIST	31
2.5.3 Notes on OTIST	31
ZyXEL Utility Configuration	34
3.2.2 Security Settings	37
3.2.2.1 WEP Encryption	37
3.2.2.2 WPA/WPA2	39
3.2.2.3 WPA-PSK/WPA2-PSK	40
3.2.2.4 802.1x	40
3.2.3 Confirm Save Screen	41
3.3 The Profile Screen	42
3.3.1 Adding a New Profile	43
3.4 The Adapter Screen	47
Maintenance	50
4.1 The About Screen	50
Troubleshooting	54
5.1 Problems Starting the ZyXEL Utility Program	54
5.2 Problem with the Link Status	54
5.3 Problems Communicating With Other Computers	55
Product Specifications	56
Disable Windows XP Wireless LAN Configuration Tool	58
Via the Wireless Network System Tray Icon	58
Via the Control Panel	61
Management with Wireless Zero Configuration	64
Activating Wireless Zero Configuration	64
Connecting to a Wireless Network	65
Security Settings	68
Association	69
Authentication	70
Ordering the Preferred Networks	73
Types of EAP Authentication	76
EAP-MD5 (Message-Digest Algorithm 5)	76
EAP-TLS (Transport Layer Security)	76
EAP-TTLS (Tunneled Transport Layer Service)	76
PEAP (Protected EAP)	77
LEAP	77
Dynamic WEP Key Exchange	77
WPA	78
User Authentication	78
Encryption	78
Security Parameters Summary	79
Index	80
Numerics	80
A	80
C	80
D	80
E	80
F	80
G	80
H	80
I	80
L	81
M	81
N	81
O	81
P	81
Q	81
R	81
S	81
T	81
U	82
V	82
W	82