Division 4.1.2 BASIC PARAMETERS OF THE SUBSYSTEM: INTERNAL INTERFACE

Definition: internal interfaces are defined as those matters which concern two control-command interoperability constituents or assemblies, and describe the functional, electrical and/or mechanical conditions applying to the links between them. The voice and data transmission between the train and the trackside are part of the internal interfaces.

This section specifies the functions of control-command class A internal interfaces which are essential for interoperability.