SF Cable 3ft DB9 M/F RS232 Serial Extension Cable Support serial printer, mouse, modem, switch, video splitter, mono & multisync video applications. Fully shielded to prevent unwanted EMI/RFI interference. Fully molded connectors with thumbscrew provide you with a quick and easy connection. All 9 connector pins are wired straight through. Pin-Out: 1-1 / 2-2 / 3-3 / 4-4 / 5-5 / 6-6 / 7-7 / 8-8 / 9-9 / G-G. Lifetime Warranty