... ExpandableSerial Port1 x RS232 serialUSB Port4 x 2.0 USB, In addition,optional USB Hub with 4 ports outputEthernet 100/10Base ... , Phase, Clock, H/V Location, Languages, Function, ResetTouch screen TypeKeetouch 17 SAW or Infared touchscreenTouch System InterfaceDual RS232 and USB Regular ... ; Output voltage/current: 19 V at3.42 AMonitor:Internal brick in base; Input (line) voltage: 100-240 VAC, 50-60 ...