Specifications

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Table of Contents
CHAPTER 1. INTRODUCTION .................................................................................. 1–1
1.1 Overview ................................................................................................................................ 1–1
1.2 Configurations ....................................................................................................................... 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 .................................................................................................. 1–3
1.3 Function Accessibility ............................................................................................................ 1–3
CHAPTER 2. INSTALLATION ................................................................................... 2–1
2.1 Unpacking and Inspection ..................................................................................................... 2–1
2.2 Installation Requirements...................................................................................................... 2–2
2.3 Removal and Assembly .......................................................................................................... 2–3
2.4 Mounting Considerations ...................................................................................................... 2–3
2.5 Initial Configuration Check ................................................................................................... 2–4
2.6 Modulator Checkout .............................................................................................................. 2–6
2.6.1 Initial Power-Up ............................................................................................................... 2–6
2.6.2 Factory Terminal Setup .................................................................................................... 2–6
CHAPTER 3. THEORY OF OPERATION .................................................................. 3–1
3.1 Modem Hardware .................................................................................................................. 3–1
3.1.1 L-Band/IF Printed Circuit Card ........................................................................................ 3–2
3.1.2 Baseband Processing Printed Circuit Card ........................................................................ 3–3
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