... /RS485/RS422, Three Ports♥User Storage: Support USB Disk, CF Card♥USB: 1 USB Slave/1 USB Host♥Parallel Port: 25 PIN Parallel Port ... : WINCE5.0/Linux/Vxwork SDK Toolkit♥Driver Support: RS232/RS422/RS485, USB Host Driver/USB Device, CF Card Driver♥PLC Drivers: MODBUS, PROFIBUS, OPC, Siemens ...