DTECH DB9 to DB9 RS232 Serial Cable Male to Male Null Modem Cord Cross TX RX line for Data Communication (5 Feet, Black)
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  • (Not for computer monitor VGA-video connection) Simple serial null modem cable (3 wire type and no hardware handshaking) connects your computer to device with COM port RS-232 compatible interface
  • Wired as a DE9 9 pin serial port Null-Modem cord that 2-3 line are crosslinked (only TX/RX data and signal ground wires connected); standard shielded rs232 cord with AL foil
  • DB9 male to male connector on each end equipped with screws 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
  • 5 feet short serial adapter male to male for hooking up PC laptop to some old RS232C equipment like scanner, Modem, printer, plotter, camera, barcode / embroidery machine, touchscreen, microcontroller, factory test equipmentrs



Simple Null Modem Cable: Transfer data between two devices using a RS-232C serial communication protocol

If your equipment require three wire null modem cable (TX, RX and GND), take this 5 foot 9 pin serial 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 male to male is with gold plated pins for superior corrosion resistance ensuring a solid connection.

The connectors are equipped with a pair of thumbscrews for securing the plug to the female socket.

For Connecting 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:

It is shielded with standard Foil-Al layer shielding as most cables do, it fits for most of jobs. But if there are big mess of interference at your work area, you may need a special heavy duty shielding cable (copper braided + AL-foil).

Item Specifications:

Connectors: DB9 to DB9 (Male-Male)

Interface Surface: Nickel-plated

Pins Surface: Gold-plated

Wire Gauge: 30 AWG

Cord Diameter: 6mm

Cord Length: 5 ft (1.5 meter)

Color: Black

What’s Included:

1 x Serial to Serial Cable 5’ Male to Male

1 x User Manual