Need a three wire null modem serial extension cable (TX, RX and GND) that is long enough to control your legacy equipment, so you can program a outdoor digital sign from the comfort of indoor office? This 10ft 9 pin male to female serial adapter (cross wired between TX and RX line) enables you to extend original serial to serial cord and move the device to a far corner where you need it to reach.<br><br> 9 pin serial cable male to female is with gold plated pins for superior corrosion resistance ensuring a solid connection.<br><br> <b>For RS232 devices below (partial):</b><br> Telescope<br> vinyl cutting/ sewing machine<br> GPS<br> radio transceiver<br> subwoofer/speaker set<br> weather station<br> controller to camera<br> <b>Note: </b><br> 1.Shielded with standard Foil-Al layer shielding as most cables do, it fits for most of jobs. <br> 2.It’s not a 15 pin VGA cable that connects monitor to laptop, is only for RS 232 communication port to interface one system to another system.<br><br> <b>Specifications:</b><br> Usage: for extending a 9 pin serial male to male cable, or connect it to an old serial port device along with a serial to USB converter<br> Connectors: DB9 to DB9 (Male-Female)<br> Cable Diameter: 6mm<br> Cord Length: 10 ft (3 meters) <br><br> <b>What’s Included:</b><br> 1 x RS-232C Serial Male to Female TX/RX crosslinked Cable (Black)<br> 1 x User Manual