The Logiplus Electronic “Tone Generator” devices replace the electromechanical noise-makers (bells, buzzers, etc) in the driver cabs. Advantages include reduced dimensions, excellent reliability, faithful tone reproduction, easy programming and volume adjustment. The lastest generation of the Logiplus RailTone product range includes 12 universal battery inputs; RS422/RS485, CAN and Ethernet links for remote control; Powered from the train battery or Power Over Ethernet; USB connection for on-board reprogramming; Optional 2 GB SD-card for sounds samples memory extension; Optional additional remote loudspeaker. User software for the sounds configuration and parameters settings. High-fidelity reproduction; automatic adjustment of sounds acoustical level according to ambient noise.