ARINC Characteristic 758-4:2019

ARINC Characteristic 758-4:2019

758-3 Communications Management Unit (CMU) Mark 2



This ARINC Standard specifies the ARINC 758 Mark 2 Communications Management Unit (CMU) as an on-board message router capable of managing various datalink networks and services available to the aircraft. Supplement 4 adds Ethernet interfaces, per ARINC Specification 664 Part 2. This will allow the CMU to communicate with IP based radio transceivers (e.g., L-Band Satellite Communication Systems (Inmarsat SwiftBroadband (SBB) and Iridium Certus), ACARS over IP, AeroMACS, etc.).

Additional Info

Author SAE-ITC, ARINC Industry Activities
Published by ARINC
Document type Standard
Format File
Edition 4
ICS 49.090 : On-board equipment and instruments
Replace ARINC Characteristic 758-3:2010
Year 2019
Country USA
Keyword 700 Series