Tripp Lite null modem serial RS232 cables are designed to connect two serial devices that require a null modem (cross-wired) configuration. These cables use DB9 female connectors on each end with gold-plated connectors and contacts to ensure reliable signal transfer. Superior molded boots with integral strain relief and foil-shielding provide enhanced durability and maximum EMI/RFI protection. Manufactured as part of the Eaton Tripp Lite Series and covered by a limited lifetime warranty, these cables deliver dependable serial connectivity for a range of equipment requiring DB9 F/F connections.