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Division 7.2.4 CONDITIONS UNDER WHICH ‘O’ FUNCTIONS ARE REQUIRED

United Kingdom

Original text. Later amendments are not shown.

The ‘O’ functions are required in the following cases:

  1. 1..

    an ETCS level 3 trackside assembly requires train integrity supervision on-board;

  2. 2..

    an ETCS level 1 trackside assembly with infill requires corresponding infill functionality on-board if the release speed is set to zero for safety reasons (e.g. protection of danger points);

  3. 3..

    when ETCS requires data transmission by radio the data transmission services of GSM-R shall be implemented.