Document Outline

• SMS-758 Rev 3 Cover
• Preface
  • About this Manual
  • Audience
  • Organization
  • Revision Numbering Scheme
  • Conventions Used in this Manual
    • Screen Output and Command Syntax
    • Notes
    • Cautions, Warnings, and Dangers
    • Heading Hierarchy
    • Case Sensitivity
  • References Used in this Manual
    • Military Standards
    • Trademarks
    • Related Documents
  • Reporting Comments or Suggestions Concerning this Manual
  • Returning a Product
  • Upgrading a Product
  • Product Training
• Table of Contents
• Chapter 1: INTRODUCTION
  • 1.1 Scope
  • 1.2 Purpose and Function
  • 1.3 Description
  • 1.4 Performance Specification
• Chapter 2: INSTALLATION
  • 2.1 Unpacking
  • 2.2 System Installation
    • 2.2.1 Switch Setup
    • 2.2.2 Modem Setup
  • 2.3 System Requirements
  • 2.4 External Connections
    • 2.4.1 Data I/O
    • 2.4.2 External RS485 and RS232 Interface (J1 and J2)
    • 2.4.3 Modem Control RS485
    • 2.4.4 On-Line Status (J4, J5)
    • 2.4.5 Relay-Remote/Fault (J6)
    • 2.4.6 Downlink Inputs (J7 through J10, J12 through J15)
    • 2.4.7 Back-up Demods (J11, J16)
    • 2.4.8 Prime Mod Inputs (J18 through J25)
    • 2.4.9 Back-up Mod Inputs (J26, J36)
    • 2.4.10 Offline IF Outputs (J17, J27)
    • 2.4.11 IF Outputs (J28 through J35)
    • 2.4.12 AC Power (J37, J38)
    • 2.4.13 DC Power (J37, J38)
    • 2.4.14 Ground (J37)
• Chapter 3: OPERATION
  • 3.1 Front Panel Description
    • 3.1.1 LED Indicators
    • 3.1.2 Keypad and LCD Display
  • 3.2 Switch Setup
    • 3.2.1 System Setup
    • 3.2.2 Modem Setup
    • 3.2.3 Modem Configuration
    • 3.2.4 Faults
    • 3.2.5 Operational Modes
    • 3.2.6 Status Menu
• Chapter 4: THEORY OF OPERATION
  • 4.1 Monitor and Control
    • 4.1.1 Theory of Operation
    • 4.1.2 M&C Serial Interface
    • 4.1.3 Remote Baud Rate
    • 4.1.4 Remote Address
    • 4.1.5 External Remote Serial Interface Selection
    • 4.1.6 Battery
    • 4.1.7 Error Response Function
    • 4.1.8 External I/O Interrupt Arbitration
  • 4.2 Modem Control Interface Specification
  • 4.3 Relay-Remote Interface Specification
    • 4.3.1 Command Structure
  • 4.4 Fault Interface Specification
    • 4.4.1 Controller fault
    • 4.4.2 M:N Fault
    • 4.4.3 Demodulator Signal Fault
  • 4.5 Online Status Specification
    • 4.5.1 Modulator Online Status
    • 4.5.2 Demodulator Online Status
  • 4.6 Interface Switches
    • 4.6.1 RS-422/449 and MIL-STD-188-114/RS-449 Interface Switch
    • 4.6.2 V.35 Interface Switch
    • 4.6.3 V.35/RS-232 Interface Switch
    • 4.6.4 DS-1 and G.703 Interface Switch
    • 4.6.5 IDR Interface Switch
    • 4.6.6 2:N IDR Interface Switch (1877 and 1879)
    • 4.6.7 2:N IBS/ASYNC Interface Switch (1694 and 1695)
  • 4.7 Address Decoder/Driver
    • 4.7.1 Specifications
  • 4.8 IF Switch Driver
    • 4.8.1 Specifications
  • 4.9 IF Switch
    • 4.9.1 Specifications
  • 4.10 Online Telemetry
    • 4.10.1 Specifications
  • 4.11 Power Supply
    • 4.11.1 Specifications
• Chapter 5: MAINTENANCE
  • 5.1 Fault Descriptions
    • 5.1.1 Modulator Operation Fault
    • 5.1.2 Demodulator Operation Fault
    • 5.1.3 M:N Faults
    • 5.1.4 Battery Faults
  • 5.2 Fault Isolation
    • 5.2.1 Modulator Operation
    • 5.2.2 Demodulator Operation
    • 5.2.3 M:N Operation
    • 5.2.4 Battery
  • 5.3 Module Replacement
    • 5.3.1 Power Supply
    • 5.3.2 IF Switch
    • 5.3.3 Switch Driver
    • 5.3.4 Address Decoder/Driver
    • 5.3.5 M&C
    • 5.3.6 Online Telemetry
    • 5.3.7 Interface Switches
  • 5.4 Repacking for Shipment
    • 5.4.1 Return Instructions
    • 5.4.2 Repacking Instructions
• Appendix A: REMOTE CONTROL OPERATION: MODEM SWITCH
  • A.1 General
  • A.2 Message Structure
    • A.2.1 Start Character
    • A.2.2 Device Address
    • A.2.3 Command/Responses
    • A.2.4 End Character
  • A.3 Configuration Commands/Responses
    • A.3.1 Modulator Configuration Commands/Responses
    • A.3.2 Demodulator Configuration Commands/Responses
    • A.3.3 Modem Configuration Commands/Responses
    • A.3.4 Status Commands/Responses
    • A.3.5 Operational Commands
• Appendix B: REMOTE CONTROL OPERATION: INDEPENDENT MOD/DEMOD
  • B.1 General
  • B.2 Message Structure
    • B.2.1 Start Character
    • B.2.2 Device Address
    • B.2.3 Command/Responses
    • B.2.4 End Character
  • B.3 Configuration Commands/Responses
    • B.3.1 Modulator Configuration Commands/Responses
    • B.3.2 Demodulator Configuration Commands/Responses
    • B.3.3 Modem Configuration Commands/Responses
    • B.3.4 Status Commands/Responses
    • B.3.5 Operational Commands
• Appendix A: 7 DOWNLINK OPTION
  • C.1 External Connections
    • C.1.1 D/L Switch Input (J7)
    • C.1.2 D/L Switch Output (J16)
    • C.1.3 Downlink Inputs
    • C.1.4 Backup Demod (J11)
  • C.2 Front Panel Operation