This adapter converts a DB9 or DB25 male serial port to a DB25 or DB9 female port, State-of-the-art-wiring design ensures 100% compatibility with all devices 100% of the time, Gold plated copper contacts provide maximum conductivity and keep data loss to a minimum, 28 AWG stranded tinned copper conductors are individually insulated in polypropylene to minimize cross talk, ensuring high-speed, error-free transmission, Belkin lifetime warranty, PVC premold encapsulates individual conductors to ensure electrical isolation and relieve stress, Ground indents provide excellent conductivity and retention with mating connector, Aluminum undermold shielding helps to meet FCC requirements on EMI/RFI interference, Screw-type connections on both ends, SKU: SUPNET5740