Andrew Wireless Innovations Group MRB-LMR User Manual
MR Booster Manual (MN001808-1, 9/99)
Page - v -
Contents
Page
Section 1. Introduction ........................................................................................ 1
1.1
About This Manual........................................................................................................1
1.2
Conventions Used in This Manual ................................................................................2
1.3
Terminology ..................................................................................................................2
Section 2. System Description ............................................................................. 3
2.1
Introduction ...................................................................................................................3
2.2
System Overview ..........................................................................................................3
2.3
Theory of Operation ......................................................................................................5
2.3.1
2.3.1
Downlink Path ..................................................................................................5
2.3.2
Uplink Path .......................................................................................................6
2.3.3
System Control .................................................................................................6
2.4
System Components......................................................................................................9
2.4.1
2.4.1
Power Supply ....................................................................................................9
2.4.2
Downlink Power Amplifier ..............................................................................9
2.4.3
Logic Controller Board.....................................................................................9
2.4.4
PA Combiner/Splitter Module ........................................................................10
2.4.5
Uplink Low Noise Amplifier..........................................................................10
2.4.6
Duplexers ........................................................................................................11
2.4.7
RF Cable .........................................................................................................11
2.4.8
Fan Assembly..................................................................................................11
2.4.9
VSWR Module ...............................................................................................11
2.4.10 Downlink Driver Amplifier ............................................................................12
2.4.11 Input/Output Panel..........................................................................................12
2.4.11 Input/Output Panel..........................................................................................12
Section 3. Installation ........................................................................................ 15
3.1
Introduction .................................................................................................................15
3.2
Site Selection...............................................................................................................15
3.2.1
3.2.1
Equipment Inventory ......................................................................................15
3.2.2
Installation Tools and Equipment ...................................................................16
3.2.3
Site Requirements ...........................................................................................16
3.3
Installation ...................................................................................................................17
3.3.1
3.3.1
Mechanical......................................................................................................17
3.3.2
Electrical Connections ....................................................................................20
3.3.3
RF Connections...............................................................................................21
3.3.4
Logic Controller Board...................................................................................22
3.4
Installation Checklist...................................................................................................24
3.5
System Optimization ...................................................................................................25
3.5.1
3.5.1
Downlink Gain Setting ...................................................................................25
3.5.2
Downlink Power Measurement ......................................................................25
3.5.3
Uplink Gain Setting ........................................................................................26