Null modem cables and adapters connect two serial devices that require a null modem (cross-wired) configuration. This 6ft cable has a DB9 female connector on one end and a DB25 male connector on the other. Superior molded cables with foil-shielding offer maximum EMI/RFI protection. Gold-plated connectors and contacts provide superior conductivity. Tripp Lite warrants this product to be free from defects in materials and workmanship for life.Primary InformationCable Technology : Shielded Features : Molded gold plated connectors Dimensions&MiscellaneousLength : 6 feet ConnectionLeft Connector Gender : Female Right Connector Gender : Male Left Connector Type : 9 pin D-Sub (DB-9) Right Connector Type : 25 pin D-Sub (DB-25) Service&SupportService & Support Type : Limited lifetime warranty UNSPSC CodeUNSPSC Code : 26121620