# Commission Decision of 7 November 2006 concerning a technical specification for interoperability relating to the control-command and signalling subsystem of the trans-European high speed rail system and modifying Annex A to Decision 2006/679/EC concerning the technical specification for interoperability relating to the control-command and signalling subsystem of the trans-European conventional rail system (notified under document number C(2006) 5211) (Text with EEA relevance) (2006/860/EC), Division 4.2.3: Track-side ETCS functionality

Extent: E+W+S+N.I.

This Basic Parameter describes the ETCS track-side functionality. It contains all ETCS functionality to provide a safe path to a specific train. The performance of the functions shall conform to Annex A, index 14. These functions shall be implemented in accordance with Annex A, index 1, 2, 4, 13, 15, 23, 31, 37, 53 and the technical specifications indicated below:
Communication with track-side signalling equipment (interlocking, signal)
Locating a specific train in a Eurobalise co-ordination system (levels 2 and 3)
Translating the information from track-side signalling equipment into a standard format for the Control-Command On-board Assembly.
Generating movement authorities including track description and orders assigned to a specific train.
Communicating with the Control-Command On-board Assembly. This includes:
Eurobalise transmission. See Annex A, index 9, 43.
Radio in-fill. See Annex A, index 18, 19, 21. Radio in-fill is only relevant in level 1 in which it is optional. (see also section 7.2.6).
Euroloop. See Annex A, index 16, 50. Euroloop is only relevant in level 1 in which it is optional (see also section 7.2.6).
RBC radio communication. See Annex A, index 10, 11, 12, 39, 40. RBC radio communication is only relevant to level 2 and level 3.
Providing track clearance information to the interlocking. This function is only required for level 3.
Generating information/orders to the DMI and, when required, the train interface unit, e.g. information where to close/open the air flaps, where to lower/raise the pantograph, where to open/close the main power switch, where to change from traction system A to traction system B.

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Source: https://www.legislation.gov.uk/eudn/2006/860/annex/division/4/division/4.2/division/4.2.3 (the official version)
Page: https://openlegislation.uk/eu-decision-2006-860/annex/division-4/division-4.2/division-4.2.3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.