Gold Plated USB 2.0 to RS232 Female DB9 Serial Cable connects serial DB9 (9 PIN) devices such as modems to standard computer USB ports, supporting up to 1Mbps data transfer rate. [ IMPORTANT NOTE ]: This adapter has a female RS232 connector, NOT male — please confirm your device’s serial port type before purchase. Adopted with latest Prolific PL2303 chipset, this USB to RS232 adapter supports Windows 11/10/8.1/8/7, Linux and Mac OS. Windows 11/10/8.1/8/7 is plug-and-play and will be automatically identified as COM port. Windows built-in drivers match most USB-to-serial chips; it will automatically download and install the matched driver under network environment. For offline Windows, Mac OS and most Linux systems, please download and install the official driver from CableCreation official website. Ubuntu Linux supports plug and play without driver installation Widely compatible with ISDN terminal adapters, digital cameras, label writers, palm PCs, PDAs, cash registers, CNC, PLC controllers, tax printers, POS machines, barcode scanners and other devices with standard DB9 serial ports. Please be noted this cable is NOT compatible with cutting plotter and SCM equipment. Kindly confirm your device interface and model before placing an order Features tinned copper conductor and triple shielding to ensure stable and high-quality data transmission. USB bus-powered design requires no external power adapter. If your computer cannot recognize the cable normally, please match it with a null modem adapter for normal use CableCreation provides 24-month warranty and lifetime professional customer service. This 10ft USB 2.0 to RS232 Female DB9 serial converter cable follows standard pin definition, well suited for the usage needs of devices with female RS232 interface. If you encounter any problems about driver installation or device compatibility, please contact our customer service at any time, and we will assist you within 24 hours