DTECH 2m DB9 RS232 Serial Cable Male to Female Computer Monitor Cable 9 Pin Null Modem Extension Cord for PC Data Communication（6feet,Black

Simple 6ft null modem extension 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 cable male to female port cord that 2-3 line are crosslinked (only TX/RX data and signal ground wires connected); standard shielded with AL foil DB9 m/f adapter extender equipped with screws on each end to ensure an easy and solid connection for stable 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 6 feet long RS232C cable for hooking up RS232C equipment like scanner, Modem, printer, plotter, camera, barcode / embroidery machine, touchscreen, microcontroller, factory test equipment