The RS-232C Serial Interface Card installs into the printer's internal port. It supports a standard RS-232C interface using a 25-pin D-shell female connector.. Ports & interfaces. Output interface. Serial. Design. Internal. Yes. Logistics data. Harmonized System (HS) code. 84733020. Other features. Compatibility. Lexmark MX611deLexmark MX511deLexmark MX611dheLexmark MX511dheLexmark MX510deLexmark MX511dteLexmark MS610deLexmark MS610dte
