FOR PCI PCI-E to RS-485 RS-422 High Speed Serial Card — 4 Ports DB9 RS422 R485 PCI-Express PCIE Converter with Surge Protection

FOR PCI high-speed serial converter card that provides 4 Ports DB9 serial interfaces by converting a PCI or PCI-E slot into RS-485 and RS-422 connections. Supports RS-485 RS-422 (RS422 R485) communication over PCI-Express / PCIE, and includes built-in surge protection to help protect signals and connected equipment. Easy to install as a plug-in PCI/PCI-E expansion card, it delivers reliable multi-drop serial connectivity for industrial devices, legacy peripherals and other RS-422/RS-485 applications.