Standard:

• AIR4903

Reaffirmed:

• 2006-07-25

Revised:

• 1996-01-01

Revision:

• Historical. Access the latest revision: AIR4903A

Issuing:

• As-1a Avionic Networks Committee

Scope:

This section defines the scope of the document, provides a brief history of the Pi-Bus, discusses key features of the Pi-Bus, and provides an overview of the operation of the Pi-Bus. This document is a handbook intended to accompany AS4710 Pi-Bus standard. The purpose of this document is to provide information to aid users of the Pi-Bus, whether they be implementors of Pi-Bus controllers, architects of systems considering using the Pi-Bus, or programmers who must develope applications in a system which uses the Pi-Bus as the backplane communications bus. This document also provides rationale for many of the Pi-Bus requirements as defined in AS4710 and a discussion of potential enhancements that are being considered for the Pi-Bus.

History:

Standard	Published	Revision	Status
AIR4903A	2012-05-03	Latest	Stabilized
AIR4903	1996-01-01	Historical	Reaffirmed

AKA:

• SAE AIR 4903

Sector:

• Aerospace

Topic:

• Avionics
• Communication protocols
• Vehicle Networking