User`s manual

100-M0074X1 2 of 24
www.cobham.com/gms
Table of Contents
1.0 ACRONYMS................................................................................................................................................................... 4
2.0 INTRODUCTION......................................................................................................................................................... 5
2.1 Key System Features............................................................................................................................................ 5
3.0 THEORY OF OPERATION......................................................................................................................................... 6
4.0 HARDWARE OVERVIEW.......................................................................................................................................... 6
4.1 MDT-A ........................................................................................................................................................................ 6
4.1.1 MDT-A Connectors ...................................................................................................................................... 7
4.1.1.1 RF Output ..................................................................................................................................................... 7
4.1.1.2 I/O.................................................................................................................................................................... 7
4.1.1.3 ASI BNC Input Connector..................................................................................................................... 8
4.1.2 Frequency Select Switches....................................................................................................................... 8
4.2 Inline Camera Unit (optional)........................................................................................................................... 9
4.2.1 MDT Inline Camera Mount Connectors............................................................................................10
4.2.1.1 RF Output ...................................................................................................................................................10
4.2.1.2 I/O..................................................................................................................................................................10
4.2.1.3 Video Input (Not applicable to MDT-A) .......................................................................................11
4.2.1.4 Power Switch............................................................................................................................................11
4.2.1.5 LCD Display ...............................................................................................................................................11
4.2.1.6 SDI/ASI Input (optional)......................................................................................................................11
5.0 SOFTWARE OVERVIEW........................................................................................................................................ 11
5.1 System Requirements ........................................................................................................................................11
5.2 Installation..............................................................................................................................................................11
5.3 MDT Configurator Functions..........................................................................................................................12
5.3.1 Function Buttons.........................................................................................................................................13
5.3.2 Field Definitions...........................................................................................................................................14
5.3.3 Pull-Down Menu Definitions ..................................................................................................................15
5.3.3.1 File.................................................................................................................................................................15
5.3.3.2 Configuration ...........................................................................................................................................15
5.3.3.3 Help...............................................................................................................................................................16
6.0 GETTING STARTED ................................................................................................................................................ 18
6.1 Initial Checkout ....................................................................................................................................................18
7.0 SPECIFICATIONS .................................................................................................................................................... 19
7.1 Transport Stream .................................................................................................................................................19
7.2 RS-232 Interfaces/RCU/USB...........................................................................................................................19
7.3 COFDM RF Output...............................................................................................................................................19
7.4 Modulation .............................................................................................................................................................20
7.5 Power ........................................................................................................................................................................20
7.6 Physical Dimensions (without mating connectors)...............................................................................20
7.7 Environmental.......................................................................................................................................................20
7.8 MDT-A Special Features ...................................................................................................................................20
8.0 THE D/C (DOWN CONVERTER)/IF FREQUENCIES EXPLAINED ........................................................... 20
8.1 IF Frequencies.......................................................................................................................................................20
8.2 Local and Remote Power ..................................................................................................................................21
9.0 CABLE LOSSES .......................................................................................................................................................... 23
9.1 Coax Cable..............................................................................................................................................................23