Audio Devices (PA)

UIC Audio Gateway

The AMiT audio gateways provide the:

  • public announcements in carriages
  • telephone line to establish a connection and communication with the driver
  • radiotelephone line to establish a connection and communications with central office

The audio gateway is connected to the train’s audio system through interface specified in UIC 568.

Audio gateway basic features:

  • Public announcement system
    • toggling announcements between a single carriage and the whole train
    • option of priority announcement mode
    • remote control of audio system in all carriages
      • to switch on/off loudspeaker systems
      • to adjust volume for priority announcements
    • adjustment of maximum volume for priority announcements
  • Microphone input for spoken announcements as well as for telephone lines
  • Communication with segment units through the series line RS485
  • designed in accordance with EN 50155 for use in rolling stock
  • audio part of vehicle information system
  • extended range of operating temperatures -40 °C to 70 °C
  • meets the requirements of UIC 556 and UIC 568 for use on RIC carriages
Phone handset  
Handset fixation Magnetic holder
Button for call indication 1 ×
Buttons 8 × button with signal under foil
Lifetime 106 operations each button
Audio input 1 ×
Signal amplitude 0,707 Vef
Galvanic isolation / isolation strength 1) Yes, 1 kV AC / 1 minute
Connection point Stereo jack 3.5 mm / WAGO 769
Digital input 2 ×
Power supply voltage range 0 V DC to 30 V DC
Galvanic isolation / isolation strength 1) Yes, 1 kV AC / 1 minute
Connection point WAGO 769-668/003-000
Power audio output 2 ×
Permanent output sinus power (THD=1%) 2 × 30 W
Peak music power output 2 × 48 W
Minimum load impedance 6 Ω / channel
UIC interface 1 ×
Standard UIC558, UIC568
Connection point WAGO 769-668/003-000
Relay outputs 2 ×
Relay type Switching
Galvanic isolation / isolation strength 1) Yes, 1 kV AC / 1 minute
Ethernet interface 1 × Ethernet 100 Mbps
Galvanic isolation / isolation strength 1) Yes, 1 kV AC / 1 minute
Connection point M12, 4 pins, D-Code
Power supply 16.8 V DC to 30 V DC
Power consumption Max. 6.2 A at 24 V DC
Others  
Acoustic indication 1 × Internal speaker
Ingress protection rate    – front panel
– back cover
IP40
IP20
Working / Storage temperature -40 °C to 70 °C
Maximum ambient humidity < 95 % non-condensing
Mounting Into panel, 4 × hole Ø 7 mm
Weight 2.61 kg
Dimensions (w × h × d) 2) (140 × 330 × 149) mm

Types available:

RRAM-MCT/E20-A5 1x M12 D-coded, Ethernet 100 Mbps, printing CZ / EN*
RRAM-MCT/E20-A6 1x M12 D-coded, Ethernet 100 Mbps, printing SK / EN*