StarTech.com - USB C to Serial Adapter Cable with COM Port Retention - 16" (40cm) USB Type C to RS232 (DB9) Serial Converter Cable

The USA-FTDI-36 USB to RS232 36 Inch Serial Adapter is a simple, reliable way to add a COM port to your computer for GPS, modems, printers, scanners, digital cameras, and other RS232-based devices. Built with an FTDI FT232RQ chipset, it delivers stable performance and fast communication with a high-speed UART, 128-byte TX FIFO, and 384-byte RX buffer. The plug-and-play design requires no IRQ, DMA, or I/O resources, allowing hassle-free installation and eliminating conflicts when connecting multiple devices. Powered directly by USB, this adapter provides TX/RX and GND signals without the need for external power. With Windows 11, macOS, and Linux compatibility, plus a convenient 36 inch cable length, it’s a versatile solution for expanding serial connectivity with ease.

IOGEAR USB-C to Serial RS-232 Adapter - 1.48 ft Serial/USB-C Data Transfer Cable for Notebook, Barcode Scanner, PDA, Computer, Network Switch, POS Device, Label/Receipt Printer, Medical Equipment - First End: 1 x 9 pin DB-9 RS-232 Serial - Male - Second End: 1 x USB 1.1 Type C - Male - 921.6 kbit/s - 1

The USBG-SSRS1 is a reliable single-port USB to RS-232 adapter designed to bring legacy serial connectivity to modern systems. Featuring a DB9 male UART port with screw-lock support, it ensures a secure connection in environments where accidental disconnections aren’t an option. Built-in 2500Vrms optical isolation and 500W bi-directional surge protection safeguard both your equipment and data lines from electrical interference and spikes. It requires no external power supply and installs instantly with plug-and-play connectivity. Supporting baud rates up to 921.6Kbps and standard RS-232 communication settings, it’s an ideal solution for connecting serial devices to laptops or PCs that no longer include native COM ports. Compatible with Windows, Linux, and macOS, this compact adapter delivers dependable serial performance in a small, rugged form factor.