User's Manual

Airbus Iridium SATCOM System
165E5733-00 L-3 Aviation Recorders Proprietary
Issue, Rev. 02
21 January 2014
Page 5
3.5.7.1 Configurable Outputs ....................................................................................... 31
3.5.8 Two-Wire Phone .............................................................................................. 31
3.5.9 Microphone Input ............................................................................................. 31
3.5.10 Iridium / GPS Antenna ..................................................................................... 32
3.6 SDU Maintenance Connector (J2) ................................................................................ 32
3.7 SDU Configuration Module (SCM) ............................................................................... 32
3.8 ARINC 429 Receiver Protocols .................................................................................... 32
3.9 ARINC 429 Receiver Activity Status ............................................................................. 34
3.10 ARINC 429 Transmitter Protocols ................................................................................ 34
3.10.1 From SDU to ATSU / FWC .............................................................................. 34
3.10.2 From SDU to MCDU ........................................................................................ 35
3.10.3 From SDU to Airbus CFDS .............................................................................. 35
4. Installation Considerations .................................................................................................... 36
4.1 Satellite Data Unit (SDU) .............................................................................................. 36
4.2 SDU Configuration Module (SCM) ............................................................................... 37
4.3 Iridium Antenna System ............................................................................................... 37
4.3.1 Antenna ........................................................................................................... 37
4.3.2 Antenna Mounting ............................................................................................ 39
4.3.3 Coaxial Cable .................................................................................................. 39
5. SATCOM Installation Materials ............................................................................................. 41
5.1 Required Materials ....................................................................................................... 41
6. System Interface Wiring ........................................................................................................ 42
6.1 General ......................................................................................................................... 42
6.2 Primary Power, Antenna, and SCM .............................................................................. 42
6.3
ARINC 429 Interfaces ................................................................................................... 42
6.3.1 Receiver Protocols ........................................................................................... 43
6.3.2 Transmitter Protocols ....................................................................................... 43
6.4 MCDU ........................................................................................................................... 44
6.5 ACARS ATSU ............................................................................................................... 45
6.6 CFDIU Interface ............................................................................................................ 46
6.7 Date, Time and Position ............................................................................................... 46
6.8 RS-232/422 Databus .................................................................................................... 46
6.9 Ethernet ........................................................................................................................ 47
6.10 Discrete Inputs .............................................................................................................. 48
6.10.1 Landing Gear Control Interface Unit (LGCIU) Input ......................................... 48
6.10.2 Function Assignment ....................................................................................... 49