EMS Technologies Canada Ltd. A781 User Manuals

Table of Contents

• Customer Response Form

  3
  • Publication information:

    3
  • Customer information:

    3
  • Comments and suggestions:

    3
• Record of Revisions

  5
• Service Bulletin List

  7
• List of Effective Pages

  9
• Introduction

  19
  • 1. Illustration of Equipment

    19
  • 2. Acronyms and Abbreviations

    20
  • 3. Safety Advisories

    22
• System Description

  25
  • 1. Inmarsat System Overview

    25
  • 2. Equipment Overview

    26
    • A. SDU

      27
    • B. SCM

      27
    • C. FMPA

      28
  • 3. Equipment Specifications

    28
  • 4. System Interfaces

    31
    • A. SDU

      32
    • B. SCM

      33
    • C. FMPA

      33
  • 5. User Interfaces

    34
    • A. MCDU

      34
    • B. 4-Wire Audio

      34
    • C. Ethernet

      34
    • D. POTS

      34
    • E. CEPT-E1

      35
    • F. ISDN

      35
    • G. Maintenance Port

      35
    • H. LEDs

      35
    • I. Self-Test Button

      35
  • 6. Software Description

    36
• System Operation

  37
  • 1. Using the ARINC 781 Avionics System

    37
    • A. Operating the MCDU

      37
      • (1) Output Ports

        37
      • (2) Input Ports

        37
      • (3) Screen

        37
      • (4) Keyboard

        38
      • (5) Special Symbols

        38
      • (6) Navigating the MCDU

        39
    • B. Logging On and Off

      40
      • (1) Logging On Automatically

        40
      • (2) Logging On Manually

        41
      • (3) Logging Off

        41
      • (4) Viewing Log Status

        41
    • C. Making Cockpit Calls

      42
      • (1) Making Calls from the Telephone Directory

        42
      • (2) Ending Calls

        44
    • D. Viewing BITE Information

      44
• Installation

  47
  • 1. Advisories

    47
  • 2. Pre-Installation Inspection

    47
    • A. Unpacking and Inspecting Equipment

      47
    • B. Cabling Notes

      47
  • 3. Installation Procedure

    48
  • 4. Connection Details

    48
    • A. SDU

      48
    • B. SCM

      50
    • C. FMPA

      50
  • 5. Installation and Engineering Drawings

    52
    • A. Outline and Installation Drawings

      52
    • B. System Interconnect Drawings

      52
• Test and Fault Isolation

  71
  • 1. Operational and Diagnostic Testing

    71
    • A. General

      71
    • B. Test and Fault Isolation Equipment Requirements

      71
    • C. SDU MPU

      72
      • (1) Connecting to the MPU

        72
      • (2) Using the SDU MPU

        73
      • (3) Menu Item Descriptions

        74
    • D. Operational and Diagnostic Test Procedures

      76
      • (1) Test Setup Procedure

        77
      • (2) Post Test

        77
      • (3) Installation and Operational Verification Tests

        77
  • 2. Troubleshooting and Fault Isolation

    78
    • A. Subsystem Health

      78
    • B. SATCOM System Bus

      80
    • C. Thermal Status

      81
    • D. SCM Health

      82
    • E. Subsystem Bus Status

      84
    • F. RF Path Status

      84
    • G. USIM and Data Bus Status

      85
    • H. ORT

      86
      • (1) ORT Use and Storage

        86
      • (2) Checking the ORT

        87
    • I. Contact Product Support

      87
  • 3. Adjustment/Alignment Procedures

    88
  • 4. Modification History

    88
• Maintenance and Repair

  89
  • 1. Maintenance

    89
  • 2. Repair

    89
  • 3. Instructions for Continued Airworthiness

    89
    • A. Airworthiness Limitations

      90
    • B. Electrical and Mechanical Inspection and Check

      90
    • C. Instructions for Continued Airworthiness

      90
  • 4. Visual Inspection and Check

    91
• Appendix A: Return Material Authorization

  93
  • 1. Warranty Returns

    93
  • 2. Non-Warranty Returns

    93
  • 3. Repackaging Requirements

    93
  • 4. RMA Procedure

    93