Table of Contents
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CHAPTER 1. INTRODUCTION..................................................................................1-1
1.1
Overview ..................................................................................................................................................... 1-1
1.2
Assemblies................................................................................................................................................... 1-5
1.2.1
Demodulator........................................................................................................................................ 1-5
1.2.2
Data Interfaces .................................................................................................................................... 1-5
1.2.3
FAST Options ..................................................................................................................................... 1-6
1.3
Specifications.............................................................................................................................................. 1-6
1.3.1
Demodulator........................................................................................................................................ 1-6
1.3.2
Single L-Band Input Demodulator Characteristics ............................................................................. 1-8
1.3.3
Remote Port and M&C Specifications ................................................................................................ 1-9
1.4
BER Performance .................................................................................................................................... 1-11
1.4.1
BER Performance, QPSK with Reed-Solomon Coding .................................................................... 1-11
1.4.2
BER Performance, 8PSK with Reed Solomon Coding ..................................................................... 1-11
1.4.3
BER Performance, 16QAM with Reed-Solomon Coding................................................................. 1-11
1.5
SDM-2020 Demodulator Envelope ......................................................................................................... 1-15
CHAPTER 2. INSTALLATION ...................................................................................2-1
2.1
Unpacking................................................................................................................................................... 2-1
2.2
Installation.................................................................................................................................................. 2-2
2.2.1
Data Interfaces .................................................................................................................................... 2-4
2.2.1.1
Data Interface Removal.............................................................................................................. 2-5
2.2.1.2
Data Interface Installation .......................................................................................................... 2-5
2.3
External Connections................................................................................................................................. 2-6
2.3.1
Connector Pinout Definitions.............................................................................................................. 2-7
2.3.2
Remote Connector and Pinout (J1) ..................................................................................................... 2-8
2.3.3
Fault Connector (J2)............................................................................................................................ 2-9
2.3.4
Monitor Points (J21) ......................................................................................................................... 2-10
2.3.5
Receive IF Input Connector ............................................................................................................. 2-11
2.3.5.1
Single L-Band Input (J23) ........................................................................................................ 2-11
2.3.5.2
Four L-Band Input (J23, J24, J25, J26) ..................................................................................... 2-11
Rev. 3
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