Simple Null Modem Cable:

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 15ft 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.

9 pin serial cable male to female is with gold plated pins for superior corrosion resistance ensuring a solid connection.

For RS232 devices below (partial):
Telescope
vinyl cutting/ sewing machine
GPS
radio transceiver
subwoofer/speaker set
weather station
controller to camera
Note:
1.Shielded with standard Foil-Al layer shielding as most cables do, it fits for most of jobs.
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.

Specifications:
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
Connectors: DB9 to DB9 (Male-Female)
Cable Diameter: 6mm
Cord Length: 15 ft (5 meters)

What's Included:
1 x RS-232C Serial Male to Female TX/RX crosslinked Cable (Black)
1 x User Manual