OS SUPPORT - Supports Windows 11, 10, 8, 7, Vista, 2000, XP, 98, Apple MAC OS8 or higher, Linux 2. 4. 0 and later, OpenBSD 2. 9 and later & FreeBSD 4. 7 and later USB2 TO RS232 - Installed as a standard Windows COM ports, Full RS-232 modem control signals, RS-232 data signals; TxD, RxD, RTS, CTS, DSR, DTR, DCD, RI, GND CONNECT SERIAL DB9 DEVICES - Provides instant connectivity with modems, ISDN terminal adapter, PDA, bar code scanner, label printer, and devices with DB9 SERIAL ports FTDI CHIPSET - Built with FTDI chipset; Powered by USB port; Download the latest driver from the Tera Grand website. IMPORTANT - Please double check if your device needs a cable with Male Thumbscrews or Female Hex Jack Nuts. These connector styles are not interchangeable. Tera Grand - Premium USB 2.0 to RS232 Serial DB9 Adapter Cable 6 Feet - Supports Windows 11, 10, 8, 7, Vista, XP, 2000, 98, Linux and Mac - Built with FTDI Chipset and Hex Jack Nuts