ARINC Specification 825-4:2018

This document defines a Controller Area Network (CAN) interface for current and future commercial aircraft applications. The latest version, Supplement 4, expands the document to include CAN Flexible Data rate also known as CAN FD. CAN FD has the potential to provide 4 Mbps of data transfer. Supplement 4 also introduces four new appendices on the topics of: ARINC 825 Compliance, Configuration of Bit Timing, Management Information Base (MIB) Counters, and CAN Bus Security Considerations.