User`s manual
100-M0056X2B    2 of 28 
www.cobham.com/gms 
Table of Contents 
1.0  IMPORTANT WARNING AND GENERAL SAFETY INFORMATION........................................................ 4 
2.0  ACRONYMS................................................................................................................................................................... 6 
3.0  INTRODUCTION......................................................................................................................................................... 6 
3.1  Key System Features............................................................................................................................................ 7 
4.0  THEORY OF OPERATION......................................................................................................................................... 7 
5.0  GETTING STARTED ................................................................................................................................................... 7 
5.1  Initial Checkout ...................................................................................................................................................... 8 
6.0  HARDWARE OVERVIEW.......................................................................................................................................... 9 
6.1  Standard MDT-B..................................................................................................................................................... 9 
6.1.1  MDT-B Connectors.....................................................................................................................................10 
6.1.1.1  RF Output ...................................................................................................................................................10 
6.1.1.2  I/O..................................................................................................................................................................10 
6.1.1.3  SDI/ASI Input (optional)......................................................................................................................10 
6.1.2  Frequency Select Switches.....................................................................................................................11 
6.2  MDT-B Inline Camera Unit (optional).........................................................................................................12 
6.2.1  MDT Inline Camera Mount Connectors............................................................................................12 
6.2.1.1  RF Output ...................................................................................................................................................13 
6.2.1.2  I/O..................................................................................................................................................................13 
6.2.1.3  Video Input ...............................................................................................................................................13 
6.2.1.4  Power Switch............................................................................................................................................14 
6.2.1.5  LCD Display ...............................................................................................................................................14 
6.2.1.6  SDI/ASI Input (optional)......................................................................................................................14 
7.0  SOFTWARE OVERVIEW........................................................................................................................................ 14 
7.1  System Requirements ........................................................................................................................................14 
7.2  Installation..............................................................................................................................................................14 
7.3  MDL_B Configurator Functions.....................................................................................................................15 
7.3.1  Function Buttons.........................................................................................................................................16 
7.3.2  Field Definitions...........................................................................................................................................17 
7.3.3  Pull-Down Menu Definitions ..................................................................................................................18 
7.3.3.1  File.................................................................................................................................................................18 
7.3.3.2  Configuration ...........................................................................................................................................18 
7.3.3.3  Help...............................................................................................................................................................21 
8.0  SPECIFICATIONS .................................................................................................................................................... 23 
8.1  Video Encoding.....................................................................................................................................................23 
8.2  Audio Encoding ....................................................................................................................................................23 
8.3  Transport Stream .................................................................................................................................................23 
8.4  RS-232 Interfaces/RCU .....................................................................................................................................23 
8.5  COFDM RF Output...............................................................................................................................................23 
8.6  Modulation .............................................................................................................................................................24 
8.7  Power ........................................................................................................................................................................24 
8.8  Physical Dimensions (without mating connectors)...............................................................................24 
8.9  Environmental.......................................................................................................................................................24 
9.0  THE D/C (DOWN CONVERTER)/IF FREQUENCIES EXPLAINED ........................................................... 24 
9.1  If Frequencies........................................................................................................................................................24 
9.2  Local and Remote Power..................................................................................................................................25 
10.0  CABLE LOSSES .......................................................................................................................................................... 26 
10.1  Coax Cable..............................................................................................................................................................26 










