PCIe to 8-Port RS-485/422 Serial Port Card, 8-Channel COM Expansion Card with TVS, Lightning/Surge Protection & Terminal Blocks - Industrial Multi-Port Data Communication

"High-Performance AX99100 Chip Design", Equipped with AX99100 master control chip for ultra-stable operation, enhanced compatibility, and ultra-low power consumption. Supports RS-485/422 baud rates from 300bps to 120Kbps, ideal for multi-device industrial communication.
"Ultra-Durable Gold-Plated Connectors", Features thick gold-plated deposition technology on contacts for anti-corrosion, scratch resistance, and stable data transmission. Includes DB9 male connectors and 1-to-8 serial port ribbon cable + terminal blocks for secure wiring.
"Broad PCIe Slot Compatibility", Works seamlessly with PCIe X1/X4/X8/X16 slots, converting PCIe signals to balanced RS-422/485 differential signals. Perfect for integrating legacy serial devices (e.g., DR62-to-RS232) into modern systems.
"TIA/EIA RS-485/422 Compliance", Adheres to industry-standard protocols for reliable PC-to-device communication. Supports simultaneous multi-port data exchange in automation, CNC, and sensor networks.
"Plug-and-Play Windows 10/11 Support", Fully compatible with 32/64-bit Windows 10/11 (drivers included). Effortlessly expand serial ports for industrial PCs, POS systems, or lab equipment requiring RS-422/485 connectivity.