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ZyXEL G-170S User Guide - Page 51

Maintenance - driver

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ZyXEL G-170S 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 G-170S. To display the screen as shown below, click the about ( ) button. Figure 29 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 G-170S 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-170S Utility, Uninstall ZyXEL G-170S Utility. 2 When prompted, click OK or Yes to remove the driver and the utility software. Chapter 4 Maintenance 51

Section	Page
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
Getting Started	19
1.1.1 Application Overview	19
1.1.1.1 Infrastructure	19
1.1.1.2 Ad-Hoc	20
1.2 G-170S Hardware and Utility Installation	21
1.4 Windows XP Users Only	21
1.6 ZyXEL Utility Screen Summary	22
1.7.1 Site Survey	23
Wireless LAN Network	27
2.1.1 SSID	27
2.1.2 Channel	27
2.1.3 Transmission Rate (Tx Rate)	27
2.1.4 Super G	28
2.2.1 Data Encryption with WEP	28
2.2.2 IEEE 802.1x	28
2.2.2.1 EAP Authentication	29
2.2.3 WPA(2)	29
2.2.3.1 Encryption	29
2.2.3.2 User Authentication	30
2.2.4 WPA(2)-PSK Application Example	30
2.2.5 WPA(2) with RADIUS Application Example	31
2.3 Authentication Type	31
2.4 Preamble Type	32
ZyXEL Utility Configuration	33
3.1.1 Trend Chart	34
3.2.1 Connecting to a WLAN Network	36
3.2.2 Security Settings	36
3.2.2.1 WEP Encryption	37
3.2.2.2 WPA/WPA2	38
3.2.2.3 WPA-PSK/WPA2-PSK	39
3.2.2.4 IEEE 802.1x	40
3.2.3 Confirm Save Screen	41
3.3.1 Adding a New Profile	43
Maintenance	51
Troubleshooting	55
5.1 Problems Starting the ZyXEL Utility	55
5.2 Problem with the Link Quality	55
5.3 Problems Communicating With Other Computers	56
Product Specifications	57
Management with Wireless Zero Configuration	59
Activating Wireless Zero Configuration	59
Connecting to a Wireless Network	60
Security Settings	63
Association	64
Authentication	65
Ordering the Preferred Networks	68
Types of EAP Authentication	71
EAP-MD5 (Message-Digest Algorithm 5)	71
EAP-TLS (Transport Layer Security)	71
EAP-TTLS (Tunneled Transport Layer Service)	71
PEAP (Protected EAP)	72
LEAP	72
Dynamic WEP Key Exchange	72
WPA(2)	73
Encryption	73
User Authentication	74
WPA(2)-PSK Application Example	74
WPA(2) with RADIUS Application Example	75
Security Parameters Summary	76
Index	77
Numerics	77
A	77
C	77
D	77
E	77
F	77
G	77
H	77
I	77
L	78
M	78
N	78
O	78
P	78
Q	78
R	78
S	78
T	78
U	79
V	79
W	79