StarTech.com 2 Port PCI RS-422/RS-485/DB-9 Serial Adapter Card

This PCI-based RS422/RS485 Serial Adapter card adds two isolated serial (DB9) ports to a PCI-enabled computer, providing a cost-effective way to connect your RS422 or RS485 serial devices to a computer doesn't offer native serial support, or adding more ports to a computer that does.To ensure effective data transmission over long distances, including electrically noisy environments, the card's ports feature optical isolation. Ensuring a reliable RS422 or RS485 connection with a broad range of serial devices including printers, touch screen monitors and more, the adapter card is suitable for industrial applications and compatible with a broad range of operating systems including Windows, DOS, Linux and Unix based platforms.