User manual

Important Notices
Page 5 © January 2011
How to Use This Manual
To receive the maximum benefit from your 905U-D product, please read the Introduction,
Installation and Operation chapters of this manual thoroughly before putting the 905U-D to work.
Chapter Four Configuration details the configurations available and explains the diverse operation
of the product in detail.
Chapter Five Specifications details the features of the product and lists the standards to which the
product is approved.
Chapter Six Troubleshooting will help if your system has problems and Chapter Seven specifies the
Warranty and Service conditions.
The foldout sheet 905U-D Installation Guide is an installation drawing appropriate for most
applications.
CONTENTS
CHAPTER ONE INTRODUCTION ..................................................................... 7
1.1 GENERAL ........................................................................................................................ 7
1.2 TRANSPARENT MODE ..................................................................................................... 8
1.3 CONTROLLED MODE ....................................................................................................... 9
1.4 REPEATER UNITS .......................................................................................................... 10
CHAPTER TWO INSTALLATION ....................................................................... 11
2.1 GENERAL ...................................................................................................................... 11
2.2 ANTENNA INSTALLATION ............................................................................................. 11
2.2.1 Dipole and Collinear antennas. ................................................................................ 13
2.2.2 Yagi antennas. .......................................................................................................... 13
2.3 POWER SUPPLY ............................................................................................................. 15
2.4 SERIAL CONNECTIONS .................................................................................................. 15
2.4.1 RS232 Serial Port........................................................................................................ 15
2.4.2 RS485 Serial Port........................................................................................................ 16
CHAPTER THREE OPERATION ............................................................................ 18
3.1 POWER-UP AND NORMAL OPERATION .......................................................................... 18
3.2 SERIAL AND RADIO DATA ............................................................................................. 18
3.2.1 Character Type ......................................................................................................... 19
3.2.2 Serial Data Rate ....................................................................................................... 20
3.2.3 Radio Data Rate ....................................................................................................... 20
3.3 ADDRESSING ................................................................................................................. 21
3.4 TRANSPARENT MODE ................................................................................................... 21
3.5 TRANSPARENT MODE REPEATERS ................................................................................ 22
3.6 CONTROLLED MODE ..................................................................................................... 23