USB serial male adapter with FTDI chip, activity LED indicator and gold plated interface Computers are shrinking its size daily which means less room for antiquated connections. With the rise of USB, DB9 Serial Connections have become even harder to come by on new PC systems. This is where USB to Serial DB9 Adapter comes in to play. With com port RS-232 serial to USB adapter, you can make use of older equipment that still relies on 9 pin serial connection, so there is no need to upgrade to newer equipment. FTDI USB to Serial Adapter provides an external plug and play RS-232 serial connection with your computer, letting you free up your existing serial port. With RS232 to USB adapter, users have the capability to utilize the adapter with serial port interface in an easy-to-use environment. Specific Function: 9pin com port to USB cable for data communication, applied to PLC, Programming machine, Punch machine and other devices with serial port. Length: 1.5-Foot USB to com port cable (RS232 DB-9 port) Chipset Inside: FT232 Connector:RS232 serial interface DB9 (9 Pin) Male; USB type A male Serial to USB 2 converter pingout 1-9: DCD, RXD, TXD, DTR, GND, DSR, RTS, CTS, RI Baud Rate: Range from 300bps to 921600bps Serial cable to USB adapter is compatible with Windows 11,10, 8, 7, Mac OS v8.6 or higher Linux USB 1.1 and USB 2.0 compatible If any installation or usage issues, please email us or you may download a driver and usage guide on FTDI official website (ftdichip) What’s Included 1 x DTECH USB to Serial Male Adapter (1.5ft) 1 x CD Driver