User's Manual

MDS 05-3627A01, Rev. D LEDR Series I/O Guide i
TABLE OF CONTENTS
1.0 INTRODUCTION ..................................................................................................................1
1.1 Product Description .......................................................................................................................1
1.2 LEDR Features ..............................................................................................................................2
1.3 Typical Applications .......................................................................................................................3
1.4 Protected Configuration .................................................................................................................3
2.0 MODEL NUMBER CODES...................................................................................................4
3.0 HARDWARE INSTALLATION AND BASIC INTERFACE REQUIREMENTS ........................7
3.1 Introduction ....................................................................................................................................7
3.2 General Requirements ..................................................................................................................7
Site Selection...................................................................................................................................8
Terrain and Signal Strength .............................................................................................................8
On-the-Air Test.................................................................................................................................9
A Word About Interference...............................................................................................................9
3.3 Antenna and Feedline Selection ..................................................................................................10
Antennas........................................................................................................................................10
Feedlines .......................................................................................................................................11
3.4 Radio Mounting ...........................................................................................................................13
Maximizing RSSI............................................................................................................................13
Attaching the Rack Mounting Brackets ..........................................................................................13
3.5 Front Panel ..................................................................................................................................14
Indicators, Text Display and Navigation Keys.................................................................................14
Connectors.....................................................................................................................................16
3.6 Rear Panel Connectors ...............................................................................................................17
Connector Locations......................................................................................................................17
Ground Stud...................................................................................................................................18
Antenna/TX—RF Connector..........................................................................................................18
RX—RF Connector........................................................................................................................18
G.703/Expansion Data...................................................................................................................19
Ethernet .........................................................................................................................................19
EIA-530-A ......................................................................................................................................20
Service Channel ............................................................................................................................20
Alarm I/O........................................................................................................................................21
DC Power Input (Primary Power)...................................................................................................22
Protected Configuration Connections ............................................................................................23
3.7 Bandwidths, Data Rates and Modulation Types ..........................................................................23
3.8 Transmit Clock Selection (Subrate Radios Only) .........................................................................24
4.0 INITIAL STARTUP AND CONFIGURATION .......................................................................25
4.1 Introduction ..................................................................................................................................25