User's Manual

MDS 05-3301A01, Rev. C MDS 9810 Installation and Operation Guide i

TABLE OF CONTENTS

1.0 ABOUT THIS MANUAL.........................................................................................................1

2.0 PRODUCT DESCRIPTION................................................................................................... 1

Transceiver Features........................................................................................................................2

Model Conﬁguration Codes .............................................................................................................2

2.1 Spread Spectrum Radios—How Are They Different? ....................................................................3

2.2 Typical Applications .......................................................................................................................3

Multiple Address Systems (MAS) ....................................................................................................3

Simplex “Peer-to-Peer”.....................................................................................................................4

Peer-to-Peer with Repeater Assistance ...........................................................................................4

Point-to-Point System.......................................................................................................................5

Tail-End Link (“MAS Extension”)......................................................................................................5

Repeater System—Traditional .........................................................................................................6

“Single-Radio” Repeater—Alternative Method.................................................................................6

2.3 Accessories ...................................................................................................................................7

3.0 INSTALLATION PLANNING.................................................................................................. 7

3.1 General Requirements ..................................................................................................................7

3.2 Site Selection ................................................................................................................................8

Terrain and Signal Strength .............................................................................................................9

Conducting a Site Survey ................................................................................................................9

3.3 A Word About Radio Interference ................................................................................................10

3.4 Antenna & Feedline Selection .....................................................................................................11

Antennas........................................................................................................................................11

Feedlines .......................................................................................................................................12

3.5 How Much Output Power Can be Used? .....................................................................................13

Transmitter Power vs. Antenna System Gain.................................................................................13

4.0 INSTALLATION ................................................................................................................... 14

4.1 Transceiver Installation ................................................................................................................15

4.2 Peer-to-Peer Systems .................................................................................................................19

Simplex Peer-to-Peer.....................................................................................................................19

Peer-to-Peer with Repeater Assistance .........................................................................................20

4.3 Tail-End Links ..............................................................................................................................21

Interface Wiring..............................................................................................................................21

Programming .................................................................................................................................22

4.4 Repeaters—Traditional Method ...................................................................................................22

Antennas........................................................................................................................................23

System Addresses.........................................................................................................................23

Interface Wiring..............................................................................................................................23

Diagnostic Limitations....................................................................................................................23