a system for communicating
facility consisting of the physical plants and equipment for disseminating information
- Airport Communication System (COM)
- Voice communication system
- Passenger communication system (X) 
- Formerly, the Vision network operated using the X400 communication system.
- Format for the communication of Vessel Monitoring System messages
- This system should be an extension of the information and communication system provided for the granting of AEO certificates.
- It shall be made available using the communication system referred to in Article 253m once this system is available.
- ‘meter reading system’ means a system which allows remote status monitoring, measuring and service commands using radio communication devices;
- For Eurobalise communication system specific provisions in Annex A, Index 9 apply.
- The first communication related to the compilation system will concern the situation on 1 January 2008.
- "Local area network" (4 5) is a data communication system having all of the following characteristics:
- The first communication related to the compilation system shall concern the situation on 1 January 2008.
- The job in this case involves driving and simultaneous use of an information or communication system.
- The definition of the radio system for voice and data communication to and from the trains.
- This interface is relevant, in regard to data communication, to Class A system.