OVERVIEW
The PCM-DSPIO dual serial and printer interface adds two PC-compatible COM ports and one parallel printer port to a PC/104 expandable system. Both serial channels support RS-232. As an option, RS-422/485 plus the Society of Automotive Engineers (SAE) J1708 interface levels are also supported. Because of its compatibility with the standard PC serial and parallel ports, the PCM-DSPIO is supported by operating systems, drivers, utilities and 3rd party libraries.