Advantech Serial Converter, USB 2.0 to 2 x RS-422/485 TB, Isolated, DIN Rail BB-USOPTL4DR-2

Two serial ports, 2-wire RS-485 or 4-wire RS-422/485. Long range, multi-drop communications. Easy to set up with plug in terminal blocks on RS-422/485 side and a high retention USB connector that works with a standard USB cable (included). LEDs indicate transmit and receive. USB Port Powered. USB to RS-422/485 Converter 3 kV Isolation 921.6 Kbps Serial Data Rate DIN Rail Mounting USB Port Powered High Retention USB Connector, Plug in Serial Terminal Block USB Cable Included