Extends any DB9 cable. This 3ft multipurpose cable is ideal for mobile users and reduces cable clutter. It is fully-wired to support serial printer, mouse, modem, switch, video splitter, mono and multisync video applications. Interchangeable mounting allows you to replace the thumbscrews with included stand-off screws and can be mounted on a face plate. This cable has matched impedance, PVC jacket, molded ends with thumbscrews and inner hood soldered 360 degrees to the connector for complete end to end shielding. Pin-Out: 1-1 / 2-2 / 3-3 / 4-4 / 5-5 / 6-6 / 7-7 / 8-8 / 9-9 / Shield-Shield. (Connectors: DB9 Male to Female; Length: 3ft).