Lexmark LEX27X0900 LEXMARK MS622DE RS232C SERIAL INTERFACE CARD. Compatable with these models: MS610DE
MS610DTE
MS621DN
MS622DE
MX510DE
MX511DE
MX511DHE
MX517DE
MX521ADE
MX521DE
MX611DE
MX611DHE
MX617DE
MX622ADE
MX622ADHE
MS610DTE
MS621DN
MS622DE
MX510DE
MX511DE
MX511DHE
MX517DE
MX521ADE
MX521DE
MX611DE
MX611DHE
MX617DE
MX622ADE
MX622ADHE