... 3. 3*RS232,2*RS232/422/485,1*PS/2,1*LPT,4*USB,2*GLAN 4.1xPCI 5.Wifi optional HMI, Industrial ... (3*RS232, 2*RS232/422/485), 1*PS/2, 1*VGA, 1*LPT, 4*USB, 2*GLAN, 1*Audio 1xPCI, Wifi optional NEMA4 ... installPower connector3 Pin connectorPower SupplyDC 12V inputDC 8V~28V input(Optional)LCD PanelDisplay type15" TFT LCDResolution1024x768Luminance250 cd/m2Contrast Ratio450:1Touch screenTypeResistive ...