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Campbell Scientific RF300-Series DRL VHF/UHF Radio Transceivers User Manual

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RADIOTELEMETRY NETWORK

TABLE OF CONTENTS

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PAGE

1. GENERAL RADIOTELEMETRY NETWORK

1.1 Introduction............................................................................................................................. 1-1
1.2 Field

Station ........................................................................................................................... 1-2

1.3 Base

Station ........................................................................................................................... 1-3

1.4 Repeater................................................................................................................................. 1-4

2. ASSEMBLING THE RADIOTELEMETRY NETWORK

2.1 Final Layout............................................................................................................................ 2-1
2.2 Install

Base Station................................................................................................................. 2-1

2.2.1 Base Station Hardware .......................................................................................................... 2-1
2.2.2 PC208W Datalogger Support Software ................................................................................. 2-1
2.3

Install Nearest Repeater/Field Station ................................................................................... 2-5

2.4

Test the Radiotelemetry Link ................................................................................................. 2-5

2.4.1 A Successful Test .................................................................................................................. 2-5
2.4.2 An Unsuccessful Test ............................................................................................................ 2-5
2.5 Troubleshooting

Unsuccessful

Communication Attempts ..................................................... 2-5

2.5.1 Troubleshooting Physical Link Between Base and Field Station........................................... 2-5
2.5.2 Error Messages...................................................................................................................... 2-6
2.5.3 Troubleshooting with the Terminal Emulator ......................................................................... 2-6

3. RADIOTELEMETRY NETWORK COMPONENTS

3.1 RF95A Modem ....................................................................................................................... 3-1

3.1.1 Physical Description............................................................................................................... 3-1

3.1.2 RF95A States ......................................................................................................................... 3-1

3.1.3 Setting Station ID ................................................................................................................... 3-2

3.1.4 The Carrier Detect Light......................................................................................................... 3-2

3.1.5 Data Transfer Rate................................................................................................................. 3-2

3.1.6 RF95A Modem Communication Protocol............................................................................... 3-3

3.1.7 RF95A Modem and the RF Link............................................................................................. 3-3

3.1.8 RF95A Connections ............................................................................................................... 3-5

3.2 RF300

Radios ........................................................................................................................ 3-6

3.2.1 Radio Description................................................................................................................... 3-6

3.2.2 Radio Specifications............................................................................................................... 3-6

3.2.3 Radio Installation.................................................................................................................... 3-7

3.3 Antennas

and Cables............................................................................................................. 3-7

3.3.1 Antenna Mounts ..................................................................................................................... 3-7

3.3.2 Antenna Orientation ............................................................................................................... 3-7

3.3.3 Antenna Cables and Connectors ........................................................................................... 3-7

3.4

Tripods, Towers, Enclosures, and Power Supplies ............................................................... 3-9

3.4.1 Tripods and Towers for Mounting .......................................................................................... 3-9

3.4.2 Enclosures.............................................................................................................................. 3-9

3.4.3 Power Supply ......................................................................................................................... 3-9

3.5 RF232A

Base Station........................................................................................................... 3-10

3.5.1 RF232A Introduction ............................................................................................................ 3-10
3.5.2 220, 230, and 240 VAC Conversion .................................................................................... 3-11