For Pci-1601 2-port RS-422/485 PCI Card — Includes Surge Protection

Compatible with Pci-1601, this PCI expansion card provides two RS-422/485 serial ports and includes surge protection. The dual-port design installs in a standard PCI slot to add reliable differential serial connections for industrial or embedded systems. Integrated surge protection helps safeguard communication lines from voltage spikes, delivering a compact, durable solution for adding two RS-422/485 interfaces to your PC.