Each of the four serial ports on the Model 3PXCC4A serial card ($209.95) can be independently configured for any I/O address and IRQ, as well as for RS-232, RS-422, or RS-485 data protocols. From B&B Electronics Manufacturing (Ottawa, IL), the card has interrupt-sharing capabilities as well as an interrupt-status register.
Phone: (815) 434-0846.
Flexible C++
Matthew Wilson
My approach to software engineering is far more pragmatic than it
is
theoretical--and no language better exemplifies this than C++.
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Four Ports on a Board
