User's Manual

Airbus Iridium SATCOM System
165E5733-00 L-3 Aviation Recorders Proprietary
Issue, Rev. 02
21 January 2014
Page 4
Table of Contents
1. Introduction ............................................................................................................................. 9
1.1 Applicability ..................................................................................................................... 9
1.2 Model Designation .......................................................................................................... 9
1.2.1 Airbus Iridium SATCOM System ....................................................................... 9
1.3 Part Numbers ................................................................................................................. 9
1.4 Reference Documents .................................................................................................... 9
1.5 Definitions of Acronyms and Terms .............................................................................. 12
2. Description and Operation .................................................................................................... 16
2.1 System Overview .......................................................................................................... 16
2.2 System Architecture ..................................................................................................... 16
2.3 External System Interfaces ........................................................................................... 17
3. Equipment Specifications ..................................................................................................... 20
3.1 Satellite Data Unit (SDU) .............................................................................................. 20
3.1.1 General ............................................................................................................ 21
3.1.2 Mechanical Specifications ............................................................................... 21
3.1.3 Environmental Specifications – Airbus Iridium SATCOM System ................... 22
3.2 SDU Configuration Module (SCM) ............................................................................... 22
3.2.1 General ............................................................................................................ 22
3.2.2 Mechanical Specifications ............................................................................... 23
3.2.3 Environmental Specifications ........................................................................... 25
3.3 Airbus Iridium SATCOM System Satellite Antenna ...................................................... 25
3.4 Antenna Coaxial Cable ................................................................................................. 26
3.5 Interface Specifications ................................................................................................ 26
SDU Rear Connector (J1) ............................................................................................ 27
3.5.1
Power Input ...................................................................................................... 29
3.5.2 Chassis Ground ............................................................................................... 29
3.5.3 ARINC 429 Digital Serial Bus Input ................................................................. 30
3.5.4 ARINC 429 Digital Serial Bus Output .............................................................. 30
3.5.5 Ethernet ........................................................................................................... 30
3.5.6 Discrete Inputs ................................................................................................. 30
3.5.6.1 Configurable Inputs .......................................................................................... 30
3.5.7 Discrete Outputs .............................................................................................. 31