User's Manual

MDS 05-2708A01 Rev. A MDS TransNET 900 I/O Guide i

TABLE OF CONTENTS

1.0 ABOUT THIS MANUAL ............................................................... 9

2.0 PRODUCT DESCRIPTION ......................................................... 9

Transceiver Features....................................................................10

Model Configuration Codes ..........................................................10

2.1 Spread Spectrum Radios How Are They Different? ....................10

2.2 Typical Applications ........................................................................ 11

Multiple Address Systems (MAS) ................................................. 11

Simplex Peer-to-Peer ................................................................. 11

Point-to-Point System...................................................................12

Tail-End Link ( MAS Extension )...................................................12

Repeater System Traditional......................................................13

2.3 Accessories ....................................................................................14

3.0 GLOSSARY OF TERMS............................................................ 14

4.0 INSTALLATION PLANNING ...................................................... 17

4.1 General Requirements ................................................................... 17

4.2 Site Selection .................................................................................18

Terrain and Signal Strength .......................................................... 18

4.3 A Word About Radio Interference ...................................................20

4.4 Antenna & Feedline Selection ........................................................21

Antennas ......................................................................................21

Feedlines ......................................................................................22

4.5 How Much Output Power Can be Used? .......................................23

For All MDS TransNET 900“ Systems ........................................23

5.0 INSTALLATION.......................................................................... 24

5.1 Transceiver Installation ..................................................................25

5.2 Peer-to-Peer Systems ....................................................................27

Simplex Peer-to-Peer ...................................................................27

5.3 Tail-End Links .................................................................................27

Interface Wiring ............................................................................27

5.4 Repeaters Traditional Method .....................................................28

Antennas ......................................................................................28

System Addresses........................................................................29

Interface Wiring ............................................................................29

Software Programming (TDD Command) ....................................30

Limitations of Single-Radio Repeaters .........................................30

5.5 Using the Radio s Sleep Mode ....................................................... 30