USB-C PORT: Connect a device with a DB9 RS232 Serial port to the USB-C port on your computer or laptop. Supports RS232 Serial DB9 Interface and up to 1Mbps data transfer rate CONNECT SERIAL DB9 DEVICES: Provides instant connectivity with modems, ISDN terminal adapter, PDA, bar code scanner, label printer, and devices with DB9 RS232 Serial ports FTDI CHIPSET and OS SUPPORT: Built with FTDI chipset for wide stability and compatibility with Windows 11/10/8/7/Vista/XP/2000, Linux, and Mac OS. Supports remote wake up and power management COM PORT: Installed as a standard Windows COM ports, Full RS232 modem control signals, RS232 data signals; TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, GND DRIVER and POWER: Download the latest driver from the Tera Grand website. Powered by USB-C port, no external power adapter is required. Please double-check if your RS232 Serial device needs a cable with Male Thumbscrews or Female Hex Jack Nuts. These connector styles are not interchangeable. Tera Grand - USB C to RS232 Serial DB9 Adapter Cable with Thumbscrews and FTDI chipset, 6 Ft