DTECH DB9 RS232 Serial Cable Female to Female Null Modem Cord Cross TX RX line for Data Communication (15 Feet, Black)
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  • Simple 15ft serial null modem cable (3 wire type and no hardware handshaking) extends a COM port connection between computer and some old device with RS-232 compatible
  • Wired as a 9 pin serial port cord that 2-3 line are crosslinked (only TX/RX data and signal ground wires connected); standard shielded DE9 female rs232 cablewith AL foil
  • 15 ft DB9 female to female adapter extender equipped with screws on each end to ensure an easy and solid connection for stable serial cross data communication
  • The wires inside are of 30AWG gauge and easy to solder to, and they connect to the pins in the order of the standard wire color code
  • 15 feet long null serial crossover cable f/f for hooking up RS232C equipment like scanner, Modem, printer, plotter, camera, barcode / embroidery machine, touchscreen, microcontroller, factory test equipment



Simple Null Modem Cable: Transfer data between two devices using a serial communication protocol

If your equipment require three wire null modem cable (TX, RX and GND), take this 15-foot 9 pin serial port cable adapter wherever you need it, it allows you to add your peripherals to an application or replace the cables.

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

For RS232 devices below (partial):


vinyl cutting machine



network equipment

radio transceiver

stereo system subwoofer/speaker set

sewing machine

weather station

Or controller to a remote control camera


Important 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.

Item Specifications:

Connectors: DB9 to DB9 (Female-Female)

Interface Surface: Nickel-plated

Pins Surface: Gold-plated

Wire Gauge: 30 AWG

Cable Length: 15 Feet

Cord Diameter: 6mm

Color: Black

What’s Included:

1 x 15 ft Serial Cable (Female to Female)

1 x User Manual