6 foot DB9 Null Modem Cable, UL rated, DB9 Male to Female. Our 6 foot high quality null modem serial cable features molded female DB9 and male DB9 connectors and gold plated contacts for superior corrosion resistance ensuring a solid connection for the life of the cable. This null modem cable is typically used to transfer data from one PC directly to another PC. This male to female 8 conductor serial cable is solidly constructed, UL rated and RoHS Compliant.