Quatech 802.11B/G Spezifikationen Seite 4
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Contents
Page ii Airborne Wireless LAN Node Module Data Book 100-8004-102G
Quatech, Inc. Confidential
3.3 CIRCUIT BOARD LAYOUT PRACTICES .............................................................................................. 27
3.4 EMI / RFI GUIDELINES...............................................................................................................28
CHAPTER 4 WIRELESS SECURITY ..................................................................................................29
4.1 WPA AND LEAP SECURITY........................................................................................................... 29
4.1.1 Terminology.........................................................................................................................29
4.1.2 Example Security Configurations........................................................................................31
4.1.3 Computer Resource Requirements ....................................................................................32
4.1.4 System Implementation Considerations .............................................................................32
CHAPTER 5 SERIAL PERIPHERAL INTERFACE ...................................................................................35
5.1 OVERVIEW ....................................................................................................................................35
5.2 SPI STANDARD SUPPORT SUMMARY .............................................................................................. 35
5.3 SPI HARDWARE CONFIGURATION ................................................................................................... 35
5.4 SPI LOGICAL INTERFACE................................................................................................................ 36
5.4.1 SPI Read Configuration ......................................................................................................36
5.4.2 SPI Write Configuration.......................................................................................................37
5.4.3 SPI Write Data.....................................................................................................................37
5.4.4 SPI Read Data ....................................................................................................................38
APPENDIX A POWER CONTROL.............................................................................................................39
A.1 OVERVIEW ....................................................................................................................................39
A.2 INTRODUCTION .............................................................................................................................. 39
A.3 LOAD HOT SWAPPING .................................................................................................................... 39
A.4 APPLICATION CIRCUIT....................................................................................................................41
A.4.1 High-Side Switch.................................................................................................................42
A.4.2 Voltage Regulator ...............................................................................................................42
A.4.3 Bus Switch...........................................................................................................................42
A.4.4 Circuit Performance ............................................................................................................43
APPENDIX B RADIO FREQUENCY CHANNELS.....................................................................................45
APPENDIX C WLN ETHERNET BRIDGE .................................................................................................47
C.1 OVERVIEW ....................................................................................................................................47
C.2 ETHERNET BRIDGE MODULE PIN ASSIGNMENTS..............................................................................47
C.3 STATUS PORTS SIGNAL ASSIGNMENT ............................................................................................. 49
C.4 DESIGN GUIDELINES ......................................................................................................................49
APPENDIX D CABLE REPLACEMENT ....................................................................................................51
D.1 INFRASTRUCTURE NETWORK CONSIDERATIONS ..............................................................................53
GLOSSARY................................................................................................................................................55
INDEX .........................................................................................................................................................59
- CONTENTS 3
- Contents 4
- LIST OF FIGURES 5
- LIST OF TABLES 6
- CHAPTER 1 7
- INTRODUCTION 7
- 1.6.1 Terminology 9
- 1.6.2 Notes 10
- 1.6.3 Cautions 10
- 1.6.4 Courier Typeface 10
- 1.7 RELATED DOCUMENTATION 11
- CHAPTER 2 13
- 2.2 SPECIFICATIONS 14
- 2.3 BLOCK DIAGRAM 15
- 2.4 HARDWARE DESCRIPTION 15
- Page 11 17
- Quatech, Inc. Confidential 19
- 2.7 RESET 22
- 2.8.1 Power-up 25
- 2.8.2 Factory Reset 25
- 2.9.2 SPI Design Guidelines 26
- 2.9.3 WLN UART Connections 27
- 2.9.4 WLN SPI Connections 27
- Page 23 29
- Parameter Min Max Unit 30
- Page 25 31
- 2.11.5 Performance/Range 32
- CHAPTER 3 33
- 3.4 EMI / RFI GUIDELINES 34
- CHAPTER 4 35
- WIRELESS SECURITY 35
- Page 33 39
- 4 – Wireless Security 40
- CHAPTER 5 41
- 5.4 SPI LOGICAL INTERFACE 42
- 5.4.3 SPI Write Data 43
- 5.4.4 SPI Read Data 44
- APPENDIX A 45
- A – Power Control 46
- A.4 APPLICATION CIRCUIT 47
- APPENDIX B 51
- B – Radio Frequency Channels 52
- APPENDIX C 53
- C – WLN Ethernet Bridge 54
- C.4 DESIGN GUIDELINES 55
- APPENDIX D 57
- D – Cable Replacement 58
- GLOSSARY 61
- Glossary 62
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