Tripp Lite Null Modem Serial RS232 Cable (DB9 to DB25 F/M) 6-ft. (P456-006) 6ft cable with a DB9 female connector on one end and a DB25 male connector on the other Null modem cable to connect two serial devices that require a null modem (cross-wired) configuration Superior molded cables with foil-shielding for maximum EMI/RFI protection Gold-plated connectors provide superior conductivity Lifetime Limited Warranty