Airborne data bus

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Term airborne data bus
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Abbreviation

Definition

the physical connection between avionics system elements carrying the digital data.

Definition Source

EUROCONTROL (2004) EATM glossary, June 2004

Note

Presently the defined bus types are: ARINC 429. Low speed, single transmitter, point to point; ARINC 629. Medium speed, multi-transmitter, linear bus; ARINC 636. Very high speed, daisy chain, using optical fibre, ARINC 646. High speed, multi-transmitter, linear bus; ARINC 659. Special Integrated Modular Avionics (IMA) back plane bus.