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ZyXEL AG-220 User Guide - Page 83

Control Panel, Uninstall a program, ZyXEL AG-220 Wireless USB Adapter, Utility, Finish - g 220 usb adapter

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Page 83 highlights

Figure 58 Uninstall: Control Panel ZyXEL AG-220 User's Guide 3 On the Control Panel screen click Uninstall a program. Figure 59 Uninstall: Control Panel 4 On the Uninstall Program screen double click ZyXEL AG-220 Wireless USB Adapter Utility. You may need to scroll down to find this if you have many programs installed. Figure 60 Uninstall: Control Panel 5 Windows Vista will ask for your permission to uninstall the program. 6 If you give Windows Vista your permission to uninstall the ZyXEL utility the following screen will display. Click Yes to uninstall the ZyXEL utility. Figure 61 Uninstall: Remove Utility 7 After the program uninstalls the following screen will display. Select whether to restart your computer now or later and click Finish. Chapter 6 Maintenance 83

Section	Page
User’s Guide	1
Copyright	3
Certifications	4
Safety Warnings	6
ZyXEL Limited Warranty	7
Customer Support	8
Table of Contents	11
List of Figures	15
List of Tables	19
Preface	21
Getting Started	23
1.1 About Your AG-220	23
1.1.1 Note for Windows Vista Users	23
1.2 Application Overview	23
1.2.1 Station Mode	23
1.2.2 Access Point Mode	25
1.2.3 Changing AG-220 Mode	25
1.3 AG-220 Hardware and Utility Installation	26
1.3.1 ZyXEL Utility Icon	26
1.4 Configuration Methods	27
1.4.1 Enabling WZC	27
1.4.2 Accessing the ZyXEL Utility	27
Tutorial	29
2.1 Connecting to a Wireless LAN	29
2.2 Creating and Using a Profile	31
2.3 Configuring the AG-220 as an AP	34
Wireless LAN Network	37
3.1 Wireless LAN Overview	37
3.2 Wireless LAN Security	38
3.2.1 Hide SSID	38
3.2.2 MAC Address Filter	38
3.2.3 User Authentication and Encryption	39
3.3 WiFi Protected Setup	41
3.3.1 Push Button Configuration	41
3.3.2 PIN Configuration	42
3.3.3 How WPS Works	43
3.3.4 Limitations of WPS	46
3.4 Introduction to OTIST	47
3.4.1 Enabling OTIST	47
3.4.2 Starting OTIST	48
3.4.3 Notes on OTIST	49
Wireless Station Mode Configuration	51
4.1 Wireless Station Mode Overview	51
4.1.1 ZyXEL Utility Screen Summary	51
4.2 The Link Info Screen	52
4.2.1 Trend Chart	53
4.3 The Site Survey Screen	54
4.3.1 Security Settings	55
4.3.2 Confirm Save Screen	59
4.4 The Profile Screen	60
4.4.1 Adding a New Profile	62
4.5 The Advanced Screen	66
4.6 The Adapter Screen	67
4.7 The Adapter Screen (Windows Vista)	68
4.8 Security Settings in Windows Vista	69
4.8.1 Using PEAP in Vista	70
4.8.2 Using TLS in Vista	70
Access Point Mode Configuration	73
5.1 Access Point Mode Introduction	73
5.1.1 ZyXEL Utility Screen Summary	73
5.1.2 Additional Setup Requirements	74
5.2 The Link Info Screen	74
5.3 The Configuration Screen	75
5.4 The Advanced Screen	77
5.5 The MAC Filter Screen	78
Maintenance	81
6.1 The About Screen	81
6.2 Uninstalling the ZyXEL Utility	81
6.2.1 Windows XP	81
6.2.2 Windows Vista	82
6.3 Upgrading the ZyXEL Utility	84
Troubleshooting	85
7.1 Problems Starting the ZyXEL Utility	85
7.2 Problem Connecting to an Access Point	85
7.3 Problem with the Link Quality	86
7.4 Problems Communicating With Other Computers	86
Product Specifications	87
Access Point Mode Setup Example	89
Configuring the Computer on Which You Install the AG-220	89
Configuring the Wireless Station Computer	91
Windows Wireless Management	93
Windows Vista	93
Connecting to a Wireless Network	93
Connecting to a Network Manually	96
Setting Up An Ad-Hoc Network	98
Windows XP	100
Activating Wireless Zero Configuration	100
Connecting to a Wireless Network	103
Security Settings	107
Ordering the Preferred Networks	111
Wireless Security	115
Types of EAP Authentication	115
EAP-MD5 (Message-Digest Algorithm 5)	115
EAP-TLS (Transport Layer Security)	116
EAP-TTLS (Tunneled Transport Layer Service)	116
PEAP (Protected EAP)	116
LEAP	116
Dynamic WEP Key Exchange	116
WPA and WPA2	117
Encryption	117
User Authentication	118
WPA(2)-PSK Application Example	119
WPA(2) with RADIUS Application Example	119
Security Parameters Summary	120
Setting up Your Computer’s IP Address	121
Windows 98/Me	121
Installing Components	122
Configuring	123
Verifying Settings	124
Windows 2000/XP	124
Verifying Settings	128
Windows Vista	128
Verifying Settings	133
Index	135
A	135
B	135
C	135
D	135
E	135
F	136
G	136
H	136
I	136
L	136
M	136
N	136
O	136
P	136
Q	137
R	137
S	137
T	137
U	137
V	138
W	138