DTECH 5 Feet Serial 9 Pin DB9 RS232 Serial Cable Male to Male For Computer Monitor Printer Extension Straight Through Cord（1.5m）

Simple zero modem cable (3-wire type, no hardware handshake) to connect the computer to a device with a COM port RS-232 compatible interface 9-pin serial port Null-Modem cable as a 2-3 wire cross connection (only TX / RX data and signal ground wires are connected); standard aluminum foil shield DB9 male-to-male connectors are equipped with screws on both ends to ensure easy and firm connection for stable data communication nternal wire size is 30AWG, easy to solder, and connected to pins in the order of standard wire color codes 5-foot short serial adapter for connecting PC laptops to some old RS232C devices such as scanners, modems, printers, plotters, cameras, barcode / embroidery machines, touch screens, microcontrollers, factory test equipment