1: 14''Main screen + 14" Consumer screen
2: 14''Main screen + 7" Consumer screen
3: 14''Main screen only
Radio
Communication
User
Environment
Peripherals/
Accessories
USB typeA Port*4
Earphone Port*1
RJ11 Serial Port*1
RJ12 Cashbox Port*1
RJ45 LAN Port*1
Power Supply Port*1
Micro-USB Debug Port*1