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Division 7.2.4 Upgrading or renewal of the Control-Command Track-side Assembly or parts of it

United Kingdom

Original text. Later amendments are not shown.

Upgrading or renewal of the track-side assembly may concern separately:

  • radio-system (for class B, only renewal is possible),

  • train protection system,

  • train detection system interface,

  • hot axle box detection system,

  • EMC characteristics.

Therefore different parts of the Control-Command Track-side Assembly may be upgraded or renewed separately (if interoperability is not prejudiced) and concern:

  • EIRENE functions and interfaces (see sections 4.2.4 and 4.2.5);

  • ETCS/ERTMS functions and interfaces (see sections 4.2.1, 4.2.3, 4.2.5, 4.2.7, 4.2.8);

  • Train detection system (see section 4.2.11);

  • Hot axle box detector (see section 4.2.10);

  • EMC characteristics (see section 4.2.12).

After the upgrade to Class A system, the existing Class B equipment may remain in use simultaneously with Class A.