User's Manual

Airbus Iridium SATCOM System
165E5733-00 L-3 Aviation Recorders Proprietary
Issue, Rev. 02
21 January 2014
Page 17
Figure 2-2 – Airbus Iridium SATCOM System Block Diagram
2.3 External System Interfaces
The Airbus Iridium SATCOM System has a number of external interfaces, which are listed below and
described in detail in this section.
Audio System Interface (1)
ARINC 429 Transmitters (6) and Receivers (16)
RS-232/422 Serial Ports (4)
Ethernet Ports (4)
Discrete Outputs (8) and Inputs (16)
Iridium Antenna (1)
User Media Interfaces – SIM (1), CF (1)
Maintenance Interfaces – Ethernet (1)
Voice Modem – Iridium 9523
Data Modem – Iridium 9602
Figure 2-3 illustrates the interfaces that the Airbus Iridium SATCOM System provides to external
aircraft systems or to the user.