... support touch screen,scanning gun , printer,mocrophone and speaker.to support the latest system patchcould do USB upgradeUnlimited distance connect ... USB2.0 ports,instead of the PS2 interface,can connect to the keyboard, mouse,USB Flash memory etc.Reliability (MTBF ... C)Front LED Indicators--Power: connection to power supply, LAN: connection to network, Ready: connection to host PCPorts 1 RJ-45 LAN port ...