ITEM NAME:DB9 9 Pin VGA female cable ,DB 9 Female to TRS 3.5mm (1/8in) TRS Stereo Mal E1K3 DB9 9 Pin VGA female cable ,DB 9 Female to TRS 3.5mm (1/8in) TRS Stereo Mal E1K3 Connector: Stereo 3.5 mm Jack to DB9 Female Serial Port. Fully shielded to prevent unwanted EMI/RFI interference. Generic Serial Transfer Cable For Devices,Primarily used to transfer Serial Data back and forth from Small devices. 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 and your video display. Fully molded DB9 and 3.5mm connectors provide excellent strain relief. This adapter is Perfect for use with computers, projectors, and any control unit/display requiring 3-conductor RS-232 serial control. Wiring Schematic: DB9 TRS Connector 3.5mm Pin 1-6-7-8 Pin 2 Tip - Left Pin 3 Ring - Right Pin 4 Pin 5 Shield - Ground Pin 9 Cable Length: 6 feet Color: Black Material: plastic Package Contents: 1 * Audio/Video Cable.Fully molded DB9 and 3.5mm connectors provide excellent strain relief. DB9 TRS Connector 3.5mm. Connector: Stereo 3.5 mm Jack to DB9 Female Serial Port. Generic Serial Transfer Cable For Devices,Primarily used to transfer Serial Data back and forth from Small devices.