User's Manual
Table Of Contents
- Introduction
- System Description
- 1. Purpose of Equipment
- 2. Equipment Covered
- 3. Equipment Description
- A. Applicable Documents
- B. Reference Documents
- C. Equipment Specifications
- D. Mechanical Description
- E. Electrical Description
- F. System Interface Descriptions
- G. User Interfaces
- (1) Stand-Alone Mode User Interfaces
- (2) Collins Cooperative Mode User Interfaces
- (3) Honeywell Combined Mode User Interfaces
- (4) Selective Mode User Interfaces
- (5) Multi-Channel Configurations
- (6) ISDN Circuit-Switched Data Interface
- (7) RS-232 Interface
- (8) Ethernet Data Interface
- (9) ISDN S/T Interface
- (10) Maintenance Port Interface
- H. Initiated-Self-Test
- I. Owner Requirements Table
- 4. Inmarsat System Overview
- 5. HSD Modes and Configuration Descriptions
- System Operation
- 1. Introduction
- 2. Activating HSD Transceivers
- 3. Configuring HSD Systems
- 4. Using the HSD System
- Installation
- 1. Introduction
- 2. Advisories
- 3. Pre-Installation Inspection
- 4. Unpacking and Inspecting Equipment
- 5. Cabling and Connector Requirements
- 6. ARINC 600 Trays and Connectors
- 7. Mechanical Installation
- 8. Electrical Installation
- 9. Outline/Installation and Interconnection/Contact Assignment Diagrams
- Test and Fault Isolation
- 1. Introduction
- 2. Operational and Diagnostic Testing
- 3. Troubleshooting and Fault Isolation
- 4. Adjustment/Alignment Procedures
- 5. Modification History
- Maintenance and Repair
- 1. General
- 2. Maintenance
- 3. Repair
- 4. Instructions for Continued Airworthiness, FAR 25.1529
- Appendix A: Inmarsat Satellite Beam Coverage
- Appendix B: Troubleshooting Checklist
- Appendix C: RJ-45 Cable Termination Details
- Appendix D: Installation Checklist
- Appendix E: Record of Accomplishment
- Appendix F: RF Splitter
Page 1–35
18 September 2007
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
eNfusion™ HSD-128 High-speed Data Terminal
4. Inmarsat System Overview
A. General
This section provides an overview of the Inmarsat satellite communications system and
networks.
B. Satellite Network Overview
The satellite communication system (SATCOM) comprises global satellite networks, Land
Earth Stations (LES), and Mobile Earth Stations (MES).
Satellite communication systems provide users with long-range voice and data
communication by accessing global satellite and ground communications networks.
Inmarsat is an international organization that operates and maintains the satellites and
satellite networks. Inmarsat operates multiple geostationary satellites. Each satellite is
located over an oceanic region; the current ocean region names are:
• Atlantic Ocean Region-East (AOR-E)
• Atlantic Ocean Region-West (AOR-W)
• Indian Ocean Region (IOR)
• Pacific Ocean Region (POR)
These satellites provide worldwide telecommunication services for aviation, shipping, and
land-mobile terminal users. The satellites connect to ground telecommunication systems
through the LES.
The HSD transceiver, in conjunction with an ARINC 741 Aero H/H+ antenna subsystem,
acts as an MES. The combined system provides users with a data and voice
communications link to the satellite network and global telecommunications system.
Figure 1–9 illustrates a simplified satellite communications system.