Advantech BB-485USBTB-2WProduct Attribute Attribute Value Series BB Series Overview Universal Serial Bus (USB) has become the connectivity workhorse of todays PCs, replacing the familiar serial ports. However, many commercial and industrial devices still use the RS 485 interface. To connect these devices to modern PCs, you need a simple and reliable conversion solution. The 485USB9F 2W offers this solution in a space saving, USB Port powered package. Simply install the