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Connect your legacy DB-9 serial devices to modern USB ports with this USB to RS-232 adapter. Ideal for point-of-sale, lab, industrial, or testing use.
Quickly test RS-232 connections with clear dual-color LED indicators to save time and troubleshoot with confidence.
Transfer data at speeds up to 921.6Kbps, perfect for high-performance tasks from automation systems to data logging and more.
The Integrated 5 foot cable length makes it easy to connect devices in tighter spaces or hard-to-reach ports.
Works seamlessly with Windows 7 through Windows 11, macOS, and Linux.
The GM-FTDI-LED USB to RS-232 Serial Adapter is the quick and easy fix for computers that no longer include legacy serial ports. Whether you're connecting to printers, scanners, CNC machines, PLC controllers or industrial gear, this adapter ensures full RS-232 signal support and smooth operation. It’s powered directly from your USB port, so no extra power supply is needed, and it features color LED indicators that flash with activity to give you real-time feedback on your connection. With an integrated 5 foot cable and support for Windows 7 through 11, macOS, and Linux, it's plug & play ready for your setup.