4-port RS-232/422/485 PC/104-Plus modules
921.6 Kbps maximum baudrate for super fast data transmission
On-chip H/W and S/W flow control
Built-in 15 KV ESD protection
Serial interface is DIP switch selectable
Onboard Tx and Rx LED indicators for each port
Windows (XP/Vista/7), Windows CE 5.0/6.0, and Windows XP embedded operating systems supported