The Gearmo USB-C to RS-232 serial adapters are designed to quickly and reliably expand your computer's connectivity. Perfect for laptops and desktops without a built-in COM port, this adapter lets you add a full-function serial interface in seconds - no hassle, no extra hardware.
Reliable USB 2.0 Performance Compliant with USB 2.0 standards, this adapter ensures smooth, dependable data communication for a wide range of serial devices. Whether you're managing legacy systems or newer equipment, it keeps your setup simple and effective.
Works with Modern and Legacy OS Plug-and-play compatible with Windows 11 and earlier, so you can get connected and stay productive without worrying about driver headaches.
LED Status Indicators for Easy Monitoring Know exactly what's happening with your connection - built-in LED indicators show data transmission activity at a glance, giving you quick visual feedback.
Compact 16-Inch Cable Design The integrated 16-inch cable strikes the perfect balance between reach and portability, keeping your workspace tidy while still offering flexibility.
- 1~4, 6~9 PIN Signal 0 : Green / Signal 1 : RED GND - RED - POWER PS. DB9-F PIN / 1,2,6,8,9 NO Input LED no light
- DCD, RXD, TXD, DTR , GND,DSR ,RTS ,CTS , RI
- Easy test RS-232 Host to Device link
















