The DS10x0, DS10x2, and DS10x3 are 4-port BASIC-programmable industrial controllers designed primarily for serial-over-IP and serial control projects. They come preloaded with a fully functional serial-over-IP application (open-source).
DS1000/2/3 offer the Ethernet interface only, while DS1010/2/3 feature Ethernet, as well as optional Wi-Fi and GPRS.
"0", "2", and "3" devices differ in the type of serial ports they offer:
With four conventional RS232 ports, the DS1000 and DS1010 are ideal for relatively low-cost projects.
For applications requiring a mix of port types, there are the DS1002 and DS1012, which sport universal RS232/422/485 ports with programmable selection of each port's mode.
Finally, especially demanding industrial installations can rely on the DS1003 and DS1013, which add galvanic isolation on top of the universal ports.
Products 
RFD1809KBE USB Keyboard Wedge Application
