Connect an RS232 (DB9) peripheral to your USB-C device USB to Straight-Through RS232 DB9 Serial Adapter High-speed 921.6Kbps Baud Rate Compatible with Windows, macOS, and Linux USB C to serial adapter / USB C to db9 / USB C to rs232 / rs232 cable / db9 cable / USB type c to serial / USB-C serial adapter / USB-C serial adapter / USB C to serial adapter cable / RS 232 cable / RS232 adapter / serial adapter / serial port cable / RS232 serial cable / RS-232 serial cable / USBC / DB9 adapter