Extends any DB9 cable. This 20ft 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 & multisync video applications. Includes 2 hex nuts. 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: 20ft)