User's Manual

905U-D Radio Modem Module User Manual
Page 6 © May 2000
CONTENTS
CHAPTER ONE INTRODUCTION.......................................................................................... 8
1.1 GENERAL ......................................................................................................................... 8
1.2 TRANSPARENT MODE ....................................................................................................... 9
1.3 CONTROLLED MODE ...................................................................................................... 10
1.4 REPEATER UNITS ........................................................................................................... 11
CHAPTER TWO INSTALLATION.......................................................................................... 12
2.1 GENERAL ....................................................................................................................... 12
12121212POWER SUPPLY......................................................................................................... 13
2.3 SERIAL CONNECTIONS ................................................................................................... 13
2.3.1 RS232 Serial Port............................................................................................. 13
2.3.2 RS485 Serial Port............................................................................................. 14
15CHAPTER THREE OPERATION ...................................................................................... 16
3.1 POWER-UP AND NORMAL OPERATION ............................................................................. 16
3.2 SERIAL AND RADIO DATA ................................................................................................ 17
3.2.1 Character Type................................................................................................. 17
3.2.2 Serial Data Rate ............................................................................................... 17
3.2.3 Radio Data Rate............................................................................................... 18
3.3 TRANSPARENT MODE ..................................................................................................... 19
3.4 CONTROLLED MODE ...................................................................................................... 19
3.5 WHAT OPERATING MODE TO USE ?................................................................................. 23
3.6 OPERATING PROBLEMS .................................................................................................. 24
CHAPTER FOUR CONFIGURATION ................................................................................... 26
4.1 BEFORE CONFIGURING .................................................................................................. 26
4.2 CONFIGURATION MODE .................................................................................................. 26
4.3 HAYES COMMANDS ......................................................................................................... 26
4.3.1 Unit Reset......................................................................................................... 27
4.3.2 Storing Configuration Parameters - Write Registers....................................... 27
4.3.3 Default Values - Restore Factory Defaults ...................................................... 27
4.3.4 S-Registers ...................................................................................................... 27
4.3.5 Changing Destination/Repeater Address - autodial....................................... 31
4.3.6 Connecting to a Remote Module – single dial................................................. 32
4.3.7 Reading Configuration Parameters.................................................................. 32
4.3.8 Unit Test commands - AT&Tx........................................................................ 32
4.3.9 Version Information - ATI............................................................................... 32
4.3.10 Character Type - AT&Bx ................................................................................. 33
4.3.11 Character Type - AT&Mx ................................................................................. 33
4.3.12 Verbose mode control, Local Echo control, and Quiet mode.......................... 33
4.3.13 Responses ....................................................................................................... 33
4.4 CONFIGURATION EXAMPLES............................................................................................ 34