Document Outline

• SDM-650B Rev 5
• Table of Contents
• Preface
  • About this Manual
  • Organization
  • Conventions Used in this Manual
    • Cautions and Warnings
  • References Used in this Manual
    • Military Standards
    • Trademarks
    • Related Documents
  • European EMC Directive
  • Reporting Comments or Suggestions Concerning this Manual
  • Customer Support
• 1. INTRODUCTION
  • 1.1 Purpose and Function
  • 1.2 Description
  • 1.3 System Specification
• 2. INSTALLATION
  • 2.1 Unpacking
  • 2.2 External Connections
    • 2.2.1 DATA I/O
    • 2.2.2 Remote (J6)
    • 2.2.3 Fault (J7)
    • 2.2.4 IF Output (CP1)
    • 2.2.5 IF Input (CP2)
    • 2.2.6 AC Power
    • 2.2.7 GROUND
  • 2.3 System Requirements
  • 2.4 System Installation
• 3. CONFIGURATION
  • 3.1 Monitor and Control
    • 3.1.1 Description of Options
    • 3.1.2 Remote Interface Specification
    • 3.1.3 M&C Theory of Operation
  • 3.2 Digital Interfaces
    • 3.2.1 RS-422 and MIL-STD-188-114 Interface
    • 3.2.2 V.35 Interface
    • 3.2.3 DS-1 Interface
    • 3.2.4 G.703, 2048 kbit/s Interface
    • 3.2.5 Asynchronous Overhead Interface
    • 3.2.6 Asynchronous Breakout Panel
  • 3.3 Doppler Buffer
    • 3.3.1 Buffer Setup
  • 3.4 Doppler Buffer Specification
  • 3.5 I/O Connectors
  • 3.6 Interface Clocking Options
    • 3.6.1 Master/Slave
    • 3.6.2 Master/Master
• 4. OPERATION
  • 4.1 Front Panel
    • 4.1.1 LED Indicators
    • 4.1.2 Controls
    • 4.1.3 Menus and Options Overview
    • 4.1.4 Menu Explanations
• 5. THEORY OF OPERATION
  • 5.1 Modulator
    • 5.1.1 Specifications
    • 5.1.2 Theory of Operation
  • 5.2 Sequential Decoder/Demodulator Processor
    • 5.2.1 Specification
    • 5.2.2 Theory of Operation
  • 5.3 Demodulator
    • 5.3.1 Specifications
    • 5.3.2 Theory of Operation
  • 5.4 Reacquisition, Fast Acquisition, and Directed Sweep
    • 5.4.1 Reacquisition
    • 5.4.2 Fast Acquisition
    • 5.4.3 Directed Sweep
• 6. MAINTENANCE
  • 6.1 System Checkout
    • 6.1.1 Modulator
    • 6.1.2 Demodulator
    • 6.1.3 Test Points
  • 6.2 Fault Isolation
    • 6.2.1 Modulator Faults (Mod_Flts Menu)
    • 6.2.2 Demodulator/Decoder Faults (Dmd_Flts Menu)
    • 6.2.3 Common Equipment Faults (CEq_Flts Menu)
  • 6.3 Interface Fault Isolation
    • 6.3.1 Transmit Faults (TX_INTF)
    • 6.3.2 Receive Faults (RX_INTF)
  • 6.4 Module Replacement
  • 6.5 Module Identification
• A. DATA RATES AND FILTERS
  • A.1 Fixed Rate Filters
    • A.1.1 Data Rate Change Instructions
    • A.1.2 Hardware Configuration
  • A.2 Variable Rate Filters
    • A.2.1 Data Rate Change Instructions
    • A.2.2 Hardware Configuration
    • A.2.3 Utility
• B. REMOTE CONTROL OPERATION
  • B.1 Standard Version
    • B.1.1 General
    • B.1.2 Message Structure
    • B.1.3 Configuration Commands/Responses
    • B.1.4. Status Commands/Responses
  • B.2 Asynchronous Overhead Interface Support Option
    • B.2.1 General
    • B.2.2 Message Structure
    • B.2.3 Modulator Configuration Commands
    • B.2.4 Demodulator Configuration Commands
    • B.2.5 Interface Configuration Commands
    • B.2.6 System Commands/Responses
    • B.2.7 Automatic Uplink Power Control (AUPC) Configuration Commands
    • B.2.8 Status Commands/Responses
• C. FIELD COMPATIBILITY
  • C.1 SDM-650B Standard Modem
  • C.2 SDM-650B Fairchild-Compatible Modem
  • C.3 SDM-650B Aydin Data Rate Modem
  • C.4 SDM-650B Comstream Modem
• D. SOFTWARE CHANGE INSTRUCTIONS
• E. AGC INTERFACE
  • E.1 Connector Pinouts
  • E.2 Installation Instructions
    • E.2.1 Parts Required
    • E.2.2 Installation Procedure
• F. ASYNCHRONOUS OVERHEAD CHANNEL UNIT
  • F.1 Functional Description of ASYNC Overhead Channel Unit
    • F.1.1 Terrestrial Interface
    • F.1.2 Multiplexer
    • F.1.3 Demultiplexer
    • F.1.4 Plesiochronous Buffer
  • F.2 ASYNC Interface Connector Pinouts
  • F.3 ASYNC Interface Specifications
  • F.4 Functional Description of ASYNC Overhead Channel Unit with AUPC
    • F.4.1 AUPC
    • F.4.2 Modem-to-Modem Channel for Remote M&C
  • F.5 Front Panel Operation
    • F.5.1 Menus and Options Overview
    • F.5.2 Menu Explanations
• G. TROJAN INTERFACE
  • G.1 Functional Description
  • G.2 Connector Pinouts
  • G.3 Specification
    • G.3.1 MIL-STD-188-114 Parameters
    • G.3.2 Clock Synthesizer/Dejitter Circuit
    • G.3.3 Doppler Buffer Parameters
  • G.4 Configuration Guide
    • G.4.1 Modulator/Coder Defaults
    • G.4.2 Demodulator/Decoder Defaults (Dmd_Flts)
    • G.4.3 Interface Defaults
  • G.5 Front Panel Operation
    • G.5.1 Menus and Options Overview
    • G.5.2 Menu Explanations
  • G.6 Remote Control Operation
    • G.6.1 General
    • G.6.2 Command/Response
    • G.6.3 End Character
    • G.6.4 Configuration Commands/Responses
• Glossary