Table Of Contents - Comtech EF Data DMD50 Installation And Operation Manual

TABLE OF CONTENTS ............................................................................................................III
CHAPTER 1.
1.1 Overview ...................................................................................................................................... 1-1
1.2 8 B C onfigurations ............................................................................................................................. 1-2
1.2.1 Features/Options Installed at Time of Order ......................................................................... 1-2
1.2.2 Feature Upgrades .................................................................................................................. 1-2
1.2.3 Hardware Options ................................................................................................................. 1-2
1.2.4 Factory Installed Options ...................................................................................................... 1-2
1.3 Function Accessibility ................................................................................................................. 1-2
CHAPTER 2.
2.1 Unpacking and Inspection .......................................................................................................... 2-1
2.2 Installation Requirements .......................................................................................................... 2-2
2.3 Mounting Considerations ........................................................................................................... 2-3
2.4 Initial Configuration Check ....................................................................................................... 2-4
2.5 Modulator Checkout ................................................................................................................... 2-5
2.5.1 Initial Power-Up .................................................................................................................... 2-5
2.5.2 Factory Terminal Setup ......................................................................................................... 2-6
CHAPTER 3.
3.1 Modem Hardware ....................................................................................................................... 3-1
3.1.1 L-Band/IF Printed Circuit Card ............................................................................................ 3-1
3.1.2 Baseband Processing Printed Circuit Card ........................................................................... 3-2
3.1.3 Enhanced Interface Printed Circuit Card .............................................................................. 3-3
3.2 Functional Block Diagram ......................................................................................................... 3-3
3.2.1 Front Panel ............................................................................................................................ 3-4
3.2.2 Baseband Processing ............................................................................................................. 3-4
3.2.3 Tx Baseband Processing ....................................................................................................... 3-5
3.2.4 Rx Baseband Processing ....................................................................................................... 3-5
3.3 Monitor & Control (M&C) Subsystem ..................................................................................... 3-5
3.3.1 Terminal Port ........................................................................................................................ 3-6
3.3.2 Modem Remote Communications (RLLP) ........................................................................... 3-6
3.3.3 Ethernet M&C Port ............................................................................................................... 3-6
3.3.4 1 0 3 B M odem Monitor Status ......................................................................................................... 3-7
INTRODUCTION .................................................................................. 1-1
INSTALLATION ................................................................................... 2-1
THEORY OF OPERATION .................................................................. 3-1

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