The train communication system is designed for use on electric trains "IVOLGA 3.0" in order to realise the following functions:- organisation of emergency communication "passenger - driver";- organisation of service communication between train control cabins (inter-cabin communication);- notification in the train cabin from the driver (loudspeaker system);- transmission of messages from the fire-fighting system to the cabin via the loudspeaker system or through the radio channel by means of a radio station;- ensuring registration in the non-volatile memory of the video surveillance system (SVN) radio exchange and speech messages transmitted by loudspeaker, inter-cabin communication and from the fire alarm system; - storage of audio recordings in the non-volatile memory of SVN not less than 120 hours.
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