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ZyXEL NWD-270N User Guide - Page 75

Maintenance, 6.1 Overview, 6.1.1 What You Can Do in This What You Need to Know, 6.1.3 - driver

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Page 75 highlights

CHAPTER 6 Maintenance 6.1 Overview This section describes how to uninstall or upgrade the ZyXEL utility. 6.1.1 What You Can Do in This Section • Learn which version of the ZyXEL utility and device driver you're currently using. See Section 6.2 on page 76 for details. • Remove the ZyXEL utility from your computer. See Section 6.3 on page 76 for details. • Upgrade the ZyXEL utility. See Section 6.4 on page 77 for details. 6.1.2 What You Need to Know The following term may help as you read through this section. Device driver A system file that lets other programs interact with a piece of hardware, or "device." You should never try to locate and install or uninstall device drivers yourself since they are modifications to an operating system at the core (or "kernel") level. Doing so could irreparably damage your installation. 6.1.3 Before You Begin • Disconnect the NWD-270N if you are going to uninstall or upgrade the ZyXEL utility, save your work in any other open programs, and then close them. NWD-270N User's Guide 75

Section	Page
User’s Guide	1
About This User's Guide	3
Document Conventions	4
Safety Warnings	6
Contents Overview	7
Table of Contents	9
Introduction and Configuration	13
Getting Started	15
1.1 Overview	15
1.1.1 What You Need to Know	15
1.1.2 Before You Begin	15
1.2 About Your NWD-270N	16
1.2.1 Hardware	16
1.3 Application Overview	17
1.3.1 Infrastructure	17
1.3.2 Ad-Hoc	17
1.4 Hardware and Utility Installation	18
1.4.1 ZyXEL Utility Icon	18
1.5 Configuration Methods	19
1.5.1 Enabling Windows Wireless Configuration	19
1.5.2 Accessing the ZyXEL Utility	20
Tutorial	21
2.1 Overview	21
2.1.1 What You Can Do in This Tutorial	21
2.1.2 What You Need to Know	21
2.1.3 Before You Begin	22
2.2 Connecting to an AP using Wi-Fi Protected Setup (WPS)	22
2.2.1 Push Button Configuration (PBC)	22
2.2.2 PIN Configuration	23
2.3 Connecting to an AP Without Using WPS	25
2.3.1 Manually Connecting to a Wireless LAN	25
2.3.2 Creating and Using a Profile	27
2.4 Configuring the NWD-270N as an AP	29
Wireless LANs	31
3.1 Overview	31
3.1.1 What You Can Do in This Section	31
3.1.2 What You Need to Know	31
3.1.3 Before You Begin	32
3.2 Wireless LAN Overview	32
3.3 Wireless LAN Security	33
3.3.1 User Authentication and Encryption	33
3.4 WiFi Protected Setup	35
3.4.1 Push Button Configuration	35
3.4.2 PIN Configuration	36
3.4.3 How WPS Works	37
3.4.4 Limitations of WPS	40
Station Mode	43
4.1 Overview	43
4.1.1 What You Can Do in This Section	43
4.1.2 What You Need to Know	43
4.1.3 Before You Begin	44
4.2 ZyXEL Utility Screen Summary	44
4.3 The Link Info Screen	45
4.3.1 Trend Chart	46
4.4 The Site Survey Screen	47
4.4.1 Security Settings	48
4.4.2 Summary Screen	53
4.5 The Profile Screen	53
4.5.1 Adding a New Profile	55
4.6 The Adapter Screen	58
4.6.1 WPS: PBC (Push Button Configuration)	59
4.6.2 WPS: PIN - Use this Device’s PIN	60
4.6.3 WPS: PIN - Use the PIN from the AP or Wireless Router	61
4.7 Security Settings in Windows Vista	61
4.7.1 Using PEAP in Vista	62
4.7.2 Using TLS in Vista	63
AP Mode	65
5.1 Overview	65
5.1.1 What You Can Do in This Section	66
5.1.2 What You Need to Know	66
5.1.3 Before You Begin	67
5.2 AP Mode Screen Summary	67
5.3 The Link Info Screen	68
5.4 The Configuration Screen	69
5.4.1 Security Settings	70
5.5 The MAC Filter Screen	73
Maintenance	75
6.1 Overview	75
6.1.1 What You Can Do in This Section	75
6.1.2 What You Need to Know	75
6.1.3 Before You Begin	75
6.2 The About Screen	76
6.3 Uninstalling the ZyXEL Utility	76
6.4 Upgrading the ZyXEL Utility	77
Troubleshooting and Specifications	79
Troubleshooting	81
7.1 Power, Hardware Connections, and LEDs	81
7.2 Accessing the ZyXEL Utility	82
7.3 Link Quality	82
7.4 Problems Communicating with Other Computers	82
Product Specifications	85
Appendices and Index	89
Wireless LANs	91
Windows Wireless Management	105
Legal Information	127
Customer Support	131