Manuels d'utilisation pour Murata Electronics North America 2492

Table des matières

• 1. INTRODUCTION

  1
• 1.1. Why Spread Spectrum?

  1
• 1.2. quency Hopping vs. Direct Sequence

  2
• 2. RADIO OPERATION

  5
• 2.1. nchronization and Registration

  5
• 2.2. ransmission

  6
• 2.2.1. nt-to-Point

  6
• 2.2.2. nt-to-Multipoint

  7
• 2.2.3. Assignment

  7
• 2.2.4. Operation

  8
• 2.2.5. Duplex Communication

  10
• 2.2.6. r-free Packet Transmission Using ARQ.

  10
• 2.3. des of Operation

  11
• 2.3.1. Data Modes

  11
• 2.3.2. Mode

  11
• 2.3.3. wer Mode and Duty Cycling

  12
• 2.3.4. Control Mode

  12
• 2.3.5. with 802.11b Networks

  13
• 2.3.6. pean Union Settings

  13
• 3. PROTOCOL MODES

  14
• Note on Using Protocol Mode 4

  16
• 3.1.1. Data Packet

  17
• 3.1.3. Connect Packet

  18
• 3.1.4. nly, receive only)

  18
• 4. MODEM INTERFACE

  19
• 4.1. ng to 5 Volt Systems

  20
• 4.2. on Unit and OEM Module Differences

  20
• 4.3. Wire Operation

  20
• 4.4. wer-On Reset Requirements

  21
• 5. MODEM COMMANDS

  22
• 5.1. rial Commands

  22
• 5.2. ork Commands

  24
• 5.3. ocol Commands

  27
• 5.4. Commands

  30
• 5.5. mory Commands

  31
• 5.6. dem Command Summary

  32
• 6. WIT2492 DEVELOPER’S KIT

  33
• 7. WinCOM

  34
• 7.1. ng the program

  36
• nction Keys

  39
• WinCom Tools

  40
• ript Commands

  42
• monstration Procedure

  44
• 8. Troubleshooting

  45
• 9. APPENDICES

  47
• 9.1. pecifications

  47
• 9.1.1 Ordering Information

  47
• 9.1.2. wer Specifications

  47
• 9.1.3. fications

  47
• 9.1.4. hanical Specifications

  48
• 9.2. rial Connector Pinouts

  48
• 9.3. pproved Antennas

  49
• 9.4. upport

  49
• 9.5. ference Design

  50
• 9.6.1. 1. Mechanical Drawing – WIT2492M4 (Pins Down)

  51
• 9.6.2. 2. Mechanical Drawing – WIT2492S4 (Pins Up)

  52
• 10. Warranty

  53