Key benefits Cost effective and reliable serial connectivity using the XR17V358 series Multi I/O PCIe controller with support for the industry standard 16C550 UART, enabling dependable connections for industrial machines. Designed for engineers and IT professionals who need to integrate multiple serial devices into a single system, simplifying expansion and management. Flexible 2port or 4port RS422/485 serials on a PCI Express 2.0 card, delivering performance serial communication for both home use and industrial applications. Supports asynchronous full duplex communication over twisted pair or shielded cable, enabling versatile installation in factory setups or home workshops. What this card is A PCI Express 2.0 addin card featuring the XR17V358 series multi I/O controller. Provides 2 or 4 RS422/485 serial channels with compatibility to the 16C550 UART standard. Built as a PCIe expansion card to add multiple serial interfaces to workstations, servers, or industrial controllers. Key specifications Controller: XR17V358 series Multi I/O PCIe controller UART compatibility: Industrystandard 16C550 UART Serial ports: 2port or 4port RS422/485 Interface: PCI Express 2.0 Communication mode: Asynchronous full duplex Cable types: Twisted pair or shielded cable Application scope: Home and industrial environments Compatibility and performance Enables integration of multiple serial devices within a single system, reducing the need for separate controllers or adapters. Supports performance serial communication suitable for data collection, control, and monitoring tasks in both practical and industrial contexts. PCIe form factor ensures compatibility with typical desktop and workstation configurations that provide PCIe slots. Use scenarios Factory automation and control: Connect multiple RS422/485 serial devices such as PLCs, sensors, and legacy controllers to a single host for centralized monitoring and data collection. IT infrastructure and maintenance: Provide console access and serial communication channels to network equipment, server hardware, and outofband management devices in a compact PCIe card. Laboratory, prototyping, and workshops: Acquire data from serial instruments and sensors during testing and development, with reliable asynchronous communication over common cabling. Notes The card emphasizes compatibility with standard 16C550 UART interfaces and RS422/485 serial signaling, ensuring compatibility with a wide range of serial devices. Suitable for environments requiring flexible serial expansion without introducing unnecessary complexity or space usage.