Purpose built The Ermetris MMI is designed for any interaction requirement by the on-board staff with subsystem as: Passenger Information System, Public Address, Diagnostic, Ground-Train radio system, etc.

Resistant – The Ermetris MMI is designed to withstand the mechanical, electrical and environmental stress encountered in metro, train or tram installations.

Wide temperature range – The Ermetris MMI is fully compliant with the EN50155 standard, so its operating temperature range ensures reliable operation in the range between -25°C and +70°C (EN50155 class T1)

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Technical specifications:


General features

  • Touch screen display with LED backlight
  • Size: 10.4”, 4:3
  • Resolution: 1024 x 768 XGA
  • Contrast: 500:1
  • Luminance: 450 cd/m²
  • Viewing Angle: 60(U), 60(D), 60(L), 60(R)
  • Processor: Intel® Celeron® N2930, Quad Core @1.83GHz, 4GB RAM, 8GB Flash disk
  • 2 x Ethernet interface 10/100 with M12 connector
  • 1 x RS232 serial port DB9 connector
  • 1 x RS485 serial ports DB9 connector
  • Audible speaker and output at 24 V to drive external buzzer with classic , PC beep command (ASCII 07h <BEL>)
  • Realtime clock watch with the supercapacitor to provide to keep it working for at least 2 weeks without power
  • 2 x USB interfaces on front panel. Protected under a cover, removable with a key
  • MVB interface class 3 EMD type, Duagon, placed on the rear
  • (2 DB9 connectors)

Power supply

  • 24Vdc (range 16.8 ~ 36Vdc)
  • max power consumption: 1 A at 24 Vdc

Physical characteristics

  • Dimensions: 297x 250 x 91 mm (L x W x H)
  • Weight: 4 kg
  • Housing: Aluminium case
  • Front glass: Hardened double-sided antireflective

Environmental characteristics

  • Temperature range: Full operation -15°C … +55°C,
  • Limited operation -40°C … -15°C and +55°C … +70°C, Storage -40°C … +70°C
  • Protection index: IP65 (front sides)