Startech PCI4S422ISO 4-Port Isolated RS-422/RS-485 Serial PCI Card

The 4-Port Isolated RS-422/RS-485 Serial PCI Card allows you to add four isolated serial ports to your computer system. This versatile card supports both RS-422 and RS-485 protocols, making it suitable for a variety of applications including networking devices, high-speed modems, and industrial monitoring equipment.

With its easy-to-use dip switch configuration, you can select the desired communication protocol for each port. The card features DB9 connectors for reliable connections to standard serial peripherals and is compatible with multiple operating systems, ensuring flexibility in diverse computing environments.