Westermo RM-455U-D - Manual (Page 4)

Contents
Man_455U-D Rev 3.04 Page 5
CONTENTS
WARNING ............................................................................................................................... 4
CHAPTER ONE INTRODUCTION ..................................................................... 8
1.1 G ENERAL ................................................................................................................. 8
1.1.1 Basic Operation ......................................................................................................... 9
1.1.2 Operating Modes ....................................................................................................... 9
1.1.3 Repeater Functionality............................................................................................. 10
1.1.4 Hot Redundant Standby........................................................................................... 10
1.2 U NACKNOWLEDGED M ODE ................................................................................... 10
1.3 A CKNOWLEDGED M ODE ........................................................................................ 11
1.4 S ECURITY E NCRYPTION ......................................................................................... 13
1.5 S ERIAL AND R ADIO D ATA ...................................................................................... 14
1.5.1 PLC-Mode ............................................................................................................... 14
1.5.2 Character
Type ........................................................................................................ 15
1.5.3 Serial Data Rate ....................................................................................................... 15
1.5.4 Radio Data Rate....................................................................................................... 16
1.5.5 Radio
Message......................................................................................................... 16
1.6 A DDRESSING .......................................................................................................... 17
1.6.1 Multiple Device Connectivity (MDC)..................................................................... 18
1.7 O PTIMUM P ATH R OUTING ...................................................................................... 18
1.8 D UTY C YCLE L IMITING ......................................................................................... 19
1.9 W HAT O PERATING M ODE TO U SE ?....................................................................... 19
1.9.1 Unacknowledged or Acknowledged mode? ............................................................ 19
1.9.2 Error Check ?........................................................................................................... 20
CHAPTER TWO INSTALLATION .................................................................. 21
2.1 G ENERAL ............................................................................................................... 21
2.2 A NTENNA I NSTALLATION ...................................................................................... 21
2.2.1 3dB/6dB Collinear antenna. .................................................................................... 23
2.2.2 Yagi
antennas. ......................................................................................................... 24
2.3 P OWER S UPPLY ...................................................................................................... 24
2.4 S ERIAL C ONNECTIONS ........................................................................................... 26
2.4.1 RS232 Serial Port ................................................................................................ 26
2.4.2 RS232 Configuration Port ................................................................................... 27
2.4.3 RS485 Serial Port ................................................................................................ 27
2.5 D ISCRETE I/O P OINT .............................................................................................. 28
2.5.1 Using the Discrete I/O as an Output.................................................................... 28
2.5.2 Using the Discrete I/O point as an Input ............................................................. 28
CHAPTER THREE CONFIGURATION........................................................................ 29