User's Manual

Contents
Man_455U Rev 1.0 Page 5
CONTENTS
WARNING ...............................................................................................................................4
CHAPTER ONE INTRODUCTION ..................................................................... 7
1.1 G ENERAL ........................................................................................................................ 7
1.2 U NACKNOWLEGED M ODE ............................................................................................... 8
1.3 A CKNOWLEDGED M ODE ................................................................................................. 9
1.4 R EPEATER U NITS ..........................................................................................................10
CHAPTER TWO INSTALLATION .................................................................. 11
2.1 G ENERAL ......................................................................................................................11
2.2 A NTENNA I NSTALLATION ..............................................................................................11
2.2.1 3dB/6dB Collinear antenna......................................................................................13
2.2.2 Yagi antennas...........................................................................................................13
2.3 P OWER S UPPLY .............................................................................................................14
2.4 S ERIAL C ONNECTIONS ................................................................................................... 14
2.4.1 RS232 Serial Port........................................................................................................15
2.4.2 RS232 Configuration Port...........................................................................................16
2.4.3 RS485 Serial Port........................................................................................................16
2.5 D ISCRETE I/O P OINT .....................................................................................................16
2.5 D ISCRETE I/O P OINT .....................................................................................................17
2.5.1 Using The discrete I/O point as an Input.....................................................................17
2.5.1 Using The discrete I/O point as an Output..................................................................17
CHAPTER THREE OPERATION...................................................................................18
3.1 P OWER - UP AND N ORMAL O PERATION ...........................................................................18
3.2 S ERIAL AND R ADIO D ATA ............................................................................................. 18
3.2.1 Character Type .........................................................................................................19
3.2.2 Serial Data Rate .......................................................................................................19
3.2.3 Radio Data Rate .......................................................................................................20
3.2.4 Radio Message......................................................................................................... 20
3.3 A DDRESSING .................................................................................................................21
3.4 U NACKNOWLEDGED M ODE ........................................................................................... 21
3.5.1 Auto-Connect Unacknowledged mode ................................................................22
3.52 Single-Connect Unacknowledged mode..................................................................22
3.5.3 Unacknowledged mode Repeaters .......................................................................22
3.5.3 RS-485 Unacknowledged mode...........................................................................23
3.6 A CKNOWLEDGED MODE ................................................................................................23
3.6.1 Auto-Connect Acknowledged mode........................................................................... 25
3.6.2 Low Power Auto-Connect Mode .............................................................................25
3.6.3 Single-Connect Acknowledged mode..................................................................26