1. HMI 2. 8~19" LCD 3. D525/N455,2G DDR3,250G HDD 4. 2*RS232+1*RS232/422/485 5 1*PS/2,1 ... ,4*USB,2*GLAN,1*Audio,Wifi HMI, Human machine interface, IEC-608NF is a industrial touch screen HMI with 8.4 ... " TFT LCD, 8.4" Touch screen,IEC-817N2V Board, DDR3 1G Ram, 2.5" 250G SATA HDD, 3*COM(2*RS232,1*RS232 ... /422/485), 1*PS/2, 1*VGA, 1*LPT, 4*USB, 2*GLAN, 1*Audio 8" HMI with ...