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