Gearmo - 16in. USB 2.0 to RS-232 Serial Converter w/ LED Indicators & FTDI - Blue
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About this product
The GM-FTDI-LED16 is a compact 16-inch USB 2.0 to RS-232 Serial Adapter designed to bring back serial connectivity to modern computers that lack built-in COM ports. Ideal for connecting printers, scanners, GPS devices, digital cameras, and more, it features dual-color LED indicators that flash with connection activity for easy troubleshooting. Powered directly through USB and built with a reliable FTDI chipset, this adapter supports full signal power display and is compatible with Windows 11 and earlier, as well as macOS and Linux. With Plug & Play installation and backward compatibility with USB 1.1, it's a simple, efficient solution for serial communication.
USB to serial connectivity made easy
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.
No external power required
The adapter draws power directly from your USB port, so no extra power supply is needed for true plug & play convenience.
Status LEDs keep you informed
Easily monitor your connection with Power, TX, and RX LEDs that show activity and status at a glance.
Compact 16 inch cable length
Compact 16 inch length is perfect for tight spaces and quick troubleshooting tasks in any setup.
Broad OS compatibility
Works seamlessly with Windows 7 through Windows 11, macOS, and Linux.
- Connector Type (End 1)USB-AConnector Type (End 2)D-Sub (DB-9)
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The GM-FTDI-LED16 is a compact 16-inch USB 2.0 to RS-232 Serial Adapter designed to bring back serial connectivity to modern computers that lack built-in COM ports. Ideal for connecting printers, scanners, GPS devices, digital cameras, and more, it features dual-color LED indicators that flash with connection activity for easy troubleshooting. Powered directly through USB and built with a reliable FTDI chipset, this adapter supports full signal power display and is compatible with Windows 11 and earlier, as well as macOS and Linux. With Plug & Play installation and backward compatibility with USB 1.1, it's a simple, efficient solution for serial communication.

The GM-FTDI2-LED16-C is a USB 2.0 to RS-232 adapter that makes it simple to add a serial port to computers without built-in COM support. Powered directly through a USB Type-C connection, this compact adapter delivers reliable RS-232 connectivity with data rates over 1Mbps and full backward compatibility with USB 1.1. Built with a trusted FTDI chipset, it ensures stable performance across Windows, macOS, and Linux systems. LED indicators flash during connection activity, giving you real-time status monitoring for pins and signals. With 15kV ESD protection, plug-and-play installation, and support for serial devices like printers, modems, CNS machines, PLCs, radios, and other industrial equipment, the GM-FTDI2-LED16-C is a dependable and easy-to-use solution for serial communication.

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.

The GM-FTDI2-LED is a USB 2.0 to RS-232 adapter that makes it simple to add a serial port to computers without built-in COM support. Powered directly through a USB Type-A connection, this compact adapter delivers reliable RS-232 connectivity with data rates over 1Mbps and full backward compatibility with USB 1.1. Built with a trusted FTDI chipset, it ensures stable performance across Windows, macOS, and Linux systems. LED indicators flash during connection activity, giving you real-time status monitoring for pins and signals. With 15kV ESD protection, plug-and-play installation, and support for serial devices like printers, modems, CNS machines, PLCs, radios, and other industrial equipment, the GM-FTDI2-LED is a dependable and easy-to-use solution for serial communication.
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