BB-485USB9F-4W - Serial Converter, USB 2.0 to RS-485 4W DB9 F
The BB-485USB9F-4W offers RS-485 4-wire conversion in a space saving, USB port-powered package. Simply install the drivers and plug the converter into an available USB port on your computer or USB hub. The device will appear as an additional COM port in the Windows Device Manager which is fully compatible with your Windows applications. A one meter USB cable is included.