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Division 4.2.5 ETCS and EIRENE air gap interfaces

United Kingdom

Original text. Later amendments are not shown.

The complete specification of these interfaces consists of two parts:

  • specification of the protocols for the transport of information from/to ERTMS functions and for ensuring safety in the communication.

  • specification of the interfaces between pieces of equipment. The interfaces between the equipment are described in:

    • Section 4.2.6 (On-Board Interfaces Internal to Control-Command) for on-board

    • Section 4.2.7 (Trackside Interfaces Internal to Control-Command) for track-side

This Basic Parameter describes the air gap between track-side and onboard Control-Command Assemblies. It includes:

  • the physical, electrical and electromagnetic values to be respected to allow a safe functioning

  • the communication protocol to be used

  • the availability of the communication channel

The following specifications apply:

  • Radio communications with the train: Class A radio communication interfaces shall operate in the R-GSM Band. See Annex A, index 35. The protocols shall comply with Annex A index 10, 18, 19, 39, 40.

  • Eurobalise and Euroloop communication with the train: Eurobalise communication interfaces shall comply with Annex A index 9, 43. Euroloop communication interfaces shall comply with Annex A index 16, 50.