# 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 5.2.2: Grouping of interoperability constituents

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

The Control-Command basic interoperability constituents defined in Tables 5.1.a and 5.2.a may be combined to form a larger unit. The group is then defined by the functions of the integrated interoperability constituents and the remaining interfaces to the outside of the group. If a group is formed this way, it shall be considered as an interoperability constituent.
Table 5.1.b lists the groups of interoperability constituents of the On-board Assembly
Table 5.2.b lists the groups of interoperability constituents of the Track-side Assembly
When the mandatory specifications indicated in this TSI are not available to support an interface, a declaration of conformity may be possible by grouping interoperability constituents.

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Source: https://www.legislation.gov.uk/eudn/2006/860/annex/division/5/division/5.2/division/5.2.2 (the official version)
Page: https://openlegislation.uk/eu-decision-2006-860/annex/division-5/division-5.2/division-5.2.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.