... Low Power Consumption Ethernet-Enabled Graphic Operator Interface Terminal 12.1" STV-AR3121S HMI human machine interface Low power consumption, Ethernet-Enabled, Graphic ... :Adjustment DisabledWords setting:Support Windows wordstouch screen:4096*4096, 4 wireless, resistance type( analog touch screen)StorageScreen :4M ... RS-232/RS485COM3:RS-232/RS485LAN:1×Ethernet (IEEE802.3,10M)USB:2×USB 2.0 Host ( data ...