ZyXEL Communications G-170S Guia do Utilizador descarregar pdf (Página 32)

ZyXEL G-170S User’s Guide

32 Chapter 2 Wireless LAN Network

2.4 Preamble Type

Preamble is used to signal that data is coming to the receiver.

Short preamble increases performance as less time sending preamble means more time for

sending data. All IEEE 802.11b/g compliant wireless adapters support long preamble, but not

all support short preamble.

Select Auto to have the G-170S automatically use short preamble when access point or

wireless stations support it; otherwise the G-170S uses long preamble.

Note: The G-170S and the access point/wireless stations MUST use the same

preamble mode in order to communicate.

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 78 79

ZyXEL G-170S 1
Copyright 3
Federal Communications 4
Commission (FCC) Interference 4
Statement 4
Certifications 5
ZyXEL Limited Warranty 6
Customer Support 7
8 Customer Support 8
Table of Contents 9
ZyXEL G-170S User’s Guide 11
Table of Contents 11 11
12 Table of Contents 12
List of Figures 13
List of Tables 15
16 List of Tables 16
User Guide Feedback 17
Syntax Conventions 17
About This User's Guide 17
Related Documentation 17
Graphics Icons Key 18
CHAPTER 1 19
1.1.1.2 Ad-Hoc 20
1.3 Configuration Methods 21
1.4 Windows XP Users Only 21
22 Chapter 1 Getting Started 22
Figure 6 Menu Summary 22
1.7.1 Site Survey 23
24 Chapter 1 Getting Started 24
Chapter 1 Getting Started 25 25
26 Chapter 1 Getting Started 26
CHAPTER 2 27
2.1.4 Super G 28
2.2.2 IEEE 802.1x 28
2.2.3 WPA(2) 29
2.2.3.2 User Authentication 30
2.3 Authentication Type 31
2.4 Preamble Type 32
CHAPTER 3 33
3.1.1 Trend Chart 34
Figure 14 Site Survey 35
Table 5 Site Survey 35
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 The Profile Screen 42
3.3.1 Adding a New Profile 43
3.4 The Adapter Screen 48
Table 14 Adapter 49
CHAPTER 4 51
52 Chapter 4 Maintenance 52
Chapter 4 Maintenance 53 53
54 Chapter 4 Maintenance 54
CHAPTER 5 55
56 Chapter 5 Troubleshooting 56
APPENDIX A 57
APPENDIX B 59
Security Settings 63
Association 64
Authentication 65
Authentication Properties 66
APPENDIX C 71
PEAP (Protected EAP) 72
Dynamic WEP Key Exchange 72
Encryption 73
User Authentication 74
Security Parameters Summary 76
Index 77 77
78 Index 78
Index 79 79

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