... quick and easy way to expand your PC's port count and to adapt serial devices toyour ... USB PC. Edgeport USB-to-Serial converters are intelligent expansion unitsthat connect to ... powered- no external power needed on USB to serial models Standard Accord USB1.1 or 2 ... DTR, DSR, DCD, RI, GND Asynchronism, point to point or multi-point Band rate 300-115200bps, automatic ...