DB25 25Pin PCIe X1 Parallel Port Riser Card 17V352 — 2S RS232/RS485 Communication Control Card

Overview: This DB25 25Pin PCIe riser card (model 17V352) provides two serial ports for RS232/RS485 communication and is built for industrial and demanding environments. Ports & Communication: The board offers 2 ports with robust feature sets. It supports half duplex operation and RS-422 full duplex control, enabling bidirectional data transfer up to 1.2 kilometers. A single port can support up to 32. It handles RS-485 simultaneous communication for multi-drop scenarios. Protection & Reliability: Designed for harsh conditions, the card includes surge protection, photoelectric isolation protection, and DC-DC protection to maintain stable operation under electrical stress and isolation requirements. PCIe Compatibility: Compliant with PCI Express GEN2.0 (2.5GT/s). The PCI Express x1 interface supports a bus bandwidth of 2.5Gbps and the card is compatible with x1, x2, x4, x8, x16 PCI Express slots.