StarTech.com USB C to Serial Adapter Cable 16" (40cm) - USB Type-C to Serial RS232 (DB9) Cable Converter - Male/Male - Windows/Mac/Linux (ICUSB232C) - USB / serial cable - DB-9 (M) to USB-C (M) - 40 cm - thumbscrews StarTech.com | ICUSB232C

Connect an RS232 (DB9) peripheral to your USB-C device. This USB-C to serial adapter lets you connect your USB-C devices to your legacy serial equipment. It converts a USB-C port on your laptop or computer into a RS232 DB9 serial port, giving you a cost-saving way to connect to serial devices such as point-of-sale terminals, serial modems, industrial equipment, and a wide variety of other RS232 peripherals.
The RS232 adapter cable is compatible with Windows, macOS and Linux operating systems, which makes it easy to integrate into mixed environments.
The USB-C to serial adapter is USB powered, so you don't need an additional external power supply. It's a compact solution that's easy to bring along with your laptop, when you're on the go.