StarTech.com 2 Port RS-422/RS-485 Optically Isolated Serial PCI Card (DB9) interface cards/adapter

2 Port RS-422/RS-485 Optically Isolated Serial PCI Card (DB9) Add 2 isolated RS-422/RS-485 serial ports to your system with StarTech.com’s PCI2S422ISO PCI card. The optically isolated ports ensure effective data transmission over long distances, even in electrically noisy environments. Dip switches located on the card let you choose between RS-422 and RS-485 formats for each port, depending upon your application needs.

The DB9 connectors let you connect serial peripherals like high-speed modems, touch screen monitors and printers. Suitable for industrial applications, this card is compatible with a wide range of operating systems, including Windows, DOS, Linux, and Unix.