The Extension Cable Straight-through 25 Conductor is most monly used to extend the length of an existing DB25 cable assembly but it can also be used as a PC to serial modem cable.Primary InformationPC Compatibility : PC Cable Type : Extension Cable Dimensions&MiscellaneousLength : 10 feet ConnectionLeft Connector Gender : Male Right Connector Gender : Female Left Connector Type : 25 pin D-Sub (DB-25) Right Connector Type : 25 pin D-Sub (DB-25) Service&SupportService & Support Type : Lifetime Warranty UNSPSC CodeUNSPSC Code : 26121620