Murata Electronics North America 2410G Manual Do Utilizador

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TABLE OF CONTENTS
1.  INTRODUCTION ......................................................................................................................1
1.1. Why Spread Spectrum?.........................................................................................................1
1.2. Frequency Hopping vs. Direct Sequence ..............................................................................2
2.  RADIO OPERATION ................................................................................................................5
2.1.  Synchronization and Registration........................................................................................5
2.2.  Data Transmission................................................................................................................6
2.2.1.  Point-to-Point .............................................................................................................6
2.2.2.  Point-to-Multipoint .....................................................................................................7
2.2.3.  Handle Assignment ....................................................................................................7
2.2.4.  TDMA Operation.......................................................................................................8
2.2.5.  Full Duplex Communication....................................................................................10
2.2.6.  Error-free Packet Transmission Using ARQ ............................................................10
2.3.  Modes of Operation............................................................................................................11
2.3.1.  Control and Data Modes...........................................................................................11
2.3.2.  Sleep Mode...............................................................................................................11
2.3.3.  Low Power Mode and Duty Cycling........................................................................12
2.3.4.  RF Flow Control Mode ............................................................................................12
2.3.5.  Co-Existing with 802.11b Networks ........................................................................13
2.3.6.  European 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.  Disconnect Packet  (base only, receive only)...........................................................18
4.  MODEM INTERFACE.............................................................................................................19
4.1.  Interfacing to 5 Volt Systems.............................................................................................20
4.2.  Evaluation Unit and OEM Module Differences.................................................................20
4.3.  Three Wire Operation.........................................................................................................20
4.4.  Power-On Reset Requirements ..........................................................................................21
5.  MODEM COMMANDS ...........................................................................................................22
5.1.  Serial Commands ...............................................................................................................22
5.2.  Network Commands...........................................................................................................23
5.3.  Protocol Commands ...........................................................................................................26
5.4.  Status Commands...............................................................................................................29
5.5.  Memory Commands...........................................................................................................30
5.6.  Modem Command Summary.............................................................................................31
6.  WIT2410 DEVELOPER’S KIT................................................................................................32
7.  WinCOM...................................................................................................................................33
7.1.  Starting the program...........................................................................................................35