Lexmark RS-232C Serial Interface Card interface cards/adapter

The RS-232C Serial Interface Card installs into the printer's PCI-based, Internal Solutions Port. It supports a standard RS-232C interface using a 25-pin D-shell female connector. The RS-232C Serial Interface Card is for use with all models of the Lexmark C752, T630, T632, and T634 printers.
Configuration settings for the serial interface are available using the Serial Opt Menu from the printer's operator panel.