DTECH 10 ft USB to RS232 DB9 Female Serial Port Adapter Cable with FTDI Chipset Supports Windows 10, 8, 7 and Mac Linux USB to DB9 female serial port cable allows you to connects a PC without serial port to a serial device because it adds a 9 pin port to laptop or desktop via USB port Portable USB-Powered design requires no bulky power adapter with superior performance, offering an easy connectivity for serial plug devices Built as FTDI serial cable for Windows 10, 8, 7, Mac OS8 or higher, Linux 2.4.0 and later USB male to serial female cable is designed with a high performance quality processor chip (FT232 Chipset) that makes this USB to RS232 converter one of the most reliable adapters on the market 10 feet USB 2.0 to RS232 DB9 serial cable (male to female) is long enough for your devices to reach to a place needed (standard pinout: pin 2- RXD, Pin 3- TXD, Pin 5 - GND)