scope:

This document defines the electrical characteristics, protocol, and data content for a data bus used with seat end electronics equipment. This document defines a mandatory command set and an optional command set.

This document describes functional requirements of the seat end equipment as they relate to the communication over the bus. However, this document is not a complete functional specification of the seat end equipment.

This document does not define the equipment environmental requirements or the physical description of the equipment. This document does not define the IFE system architecture, design, or operation.