L3 Aviation Products SDU L-3, Quick Start Manual

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Airbus Iridium SATCOM System
165E5733-00
L-3 Aviation Recorders Proprietary
Issue, Rev. 02
21 January 2014
Page 43
6.3.1 Receiver Protocols
Each of the ARINC 429 receivers can be configured in software for the proper protocol of the external
aircraft system to which it is interfaced. Below is a list of the available ARINC 429 receiver protocols.
(See §3.8 for the label specifications for each receiver protocol.) Once a protocol (except “None” is
selected for any given receive port, it is no longer available for assignment to any of the other ports.

None

ACARS 1

ACARS 2

Airbus CFDS

A739 MCDU 1

A739 MCDU 2

A739 MCDU 3
When an input is not connected to an active system (e.g. no connection, or wiring provisions only are
installed), the port should be configured as “None” to avoid triggering bus inactivity faults.
6.3.2 Transmitter Protocols
Each of the ARINC 429 transmitters can be configured in software for the proper protocol of the
external aircraft system to which it is interfaced. Below is a list of the available ARINC 429 transmitter
protocols. (See §3.10 for the label specifications for each transmitter protocol.) Once a protocol
(except “None”) is selected for any given port, it is no longer available for assignment to any of the
other ports.

None

ACARS

A739 MCDU

Airbus CFDS