Why run all new cables for RS-232 control of your audio/video system, when you can use this easy adapter? The Velocity RS-232 adapter leverages your DB9 or 3.5mm stereo audio cable to run 3-conductor RS-232 control signals between your control unit & your video display. Fully moulded DB9 & 3.5mm connectors provide excellent strain relief. This adapter is ideal to be used with computers, projectors, & any control unit/display requiring 3-conductor RS-232 serial control.\n Please Note: Not all serial control methods are supported by this adapter. This product is intended only for use with 3-wire RS-232 control cables with common ground (pin 5), transmit data (pin 3), & receive data (pin 2). For the exact pin-out of your audio/video equipment, please contact your Rapid Run sales representative for assistance, or call customer service at 0800 328 2916 or +44 (0)1952 677300 from outside the UK. Feature Feature Value Connector 1DB9 Connector 23.5mm Connector gender Male connector / Male connector Cable length 0.5 m Product colour Black