Integration Guide

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 ..........................................................................................................24
5.3. Protocol Commands ...........................................................................................................27
5.4. Status Commands ..............................................................................................................30
5.5. Memory Commands ..........................................................................................................31
5.6. Modem Command Summary .............................................................................................32
6. WIT2410 DEVELOPER’S KIT ...............................................................................................33
7. WinCOM...................................................................................................................................34
7.1. Starting the program ..........................................................................................................36