AMiT audio control units (communication gateways) provide the system for:

  • Public announcements within the vehicles
  • Telephone line for establishing a connection and communication with the driver
  • Radio telephone line for establishing a connection and communication with the control center

The connection of the control unit to the train’s audio system is ensured according to the interface specified in UIC 568.

Basic functions

  • Public announcement system
    • Switching announcements between a single carriage and the entire train
    • Option to select priority announcement mode
    • Remote control of the audio system in all carriages
      • Switching on and off of speaker systems
      • Volume control for priority announcements
    • Setting maximum volume for priority announcements
  • Microphone input for spoken announcements and telephone lines
  • Communication with compartment units via RS485 serial line