User's Manual

Airbus Iridium SATCOM System
165E5733-00 L-3 Aviation Recorders Proprietary
Issue, Rev. 02
21 January 2014
Page 44
6.4 MCDU
If an ARINC 739A MCDU is installed, MCDU 1 should be connected to ARINC 429 Tx 1 and ARINC
429 Rx 1. For MCDU 2 and 3, ARINC 429 Rx ports 2 and 3 are used as shown in Figure 6-2, but any
Rx port from 2 to 16 may be used.
Figure 6-2 – MCDU Interface