StarTech.com 1 Port Metal Industrial USB to RS422/RS485 Serial Adapter w/ Isolation Supports RS-485 and RS-422 serial interfaces via DB9 or Terminal Block connections for versatile connection options Circuit isolation provides electrical protection for sensitive, and often expensive industrial equipment Rugged, USB Bus powered enclosure requiring no external power adapter for simple integration into harsh industrial environments Circuit isolation provides electrical protection for sensitive, and often expensive industrial equipment RS-485 mode supports Auto Transceiver Turn Around (ATTA)