Table of Contents
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CHAPTER 1. INTRODUCTION ................................................................................................. 1-1
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. INSTALLATION ................................................................................................... 2-1
2.1
Unpacking and Inspection ..................................................................................................................... 2-1
2.2
Installation Requirements ..................................................................................................................... 2-2
2.3
Installation Considerations .................................................................................................................... 2-2
2.4
Initial Configuration Check .................................................................................................................... 2-3
2.5
Modulator Checkout ............................................................................................................................. 2-4
2.5.1
Initial Power-Up ................................................................................................................................. 2-4
2.5.2
Factory Terminal Setup ...................................................................................................................... 2-4
CHAPTER 3. THEORY OF OPERATION ................................................................................. 3-1
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
3.4
Async Port / ES-ES Communications ...................................................................................................... 3-7
3.5
Internal Clock ........................................................................................................................................ 3-7
3.6
2 2 B L oopback Features (Terrestrial & IF) ...................................................................................................... 3-8
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