2/4-Port RS422/485 Serial PCI Express 2.0 Card Key benefits - Provides 2 or 4 RS422/485 serial ports on a single PCI Express 2.0 card for flexible and robust serial communication. - Enables multiple serial devices to be integrated seamlessly into a single host system, ideal for engineering, IT, and industrial environments. - Supports asynchronous full-duplex communication over twisted pair or shielded cables, helping to maximize data reliability in harsh or noisy environments. - Built with XR17V358 series IO controllers and 16C550 UART compatibility to deliver dependable, cost-effective connections for industrial machines and equipment. Why you need this - Simplifies expansion of serial I/O when integrating legacy devices, sensors, PLCs, CNC controllers, or test equipment into modern systems. - Reduces the need for multiple standalone adapters by consolidating 2 or 4 ports on one PCIe card. - Provides a durable and scalable solution suitable for factory floors, workshops, and industrial laboratories. What makes it stand out - Industrial-grade serial interface via XR17V358 series IO controllers, designed for reliable multi-port operation. - 16C550 UART compatibility ensures broad compatibility with existing software and device profiles. - Versatile RS422/485 support on a PCIe 2.0 card, enabling asynchronous communications across multiple devices on a single host. Product details and compatibility - Interface: PCI Express 2.0 card - Ports: 2 or 4 RS422/485 serial channels - Controllers: XR17V358-series multi IO PCIe controllers - UART standard: 16C550-based per-port compatibility - Transmission: asynchronous full-duplex communication over twisted-pair or shielded cables - Environment: suitable for factory, production line, and workshop/education settings Use scenarios - Industrial automation upgrade: Add multiple RS422/485 devices (PLCs, sensors, motor drives) to a single host PC or controller for centralized data collection and control. - Test bench and development: Extend serial connectivity for firmware testing, microcontroller development, or data logging with multiple serial devices in a lab or workshop. - Legacy equipment integration: Maintain or modernize existing machinery by providing reliable serial interfaces for older controllers and instrumentation without rewriting software. Technical notes - Designed for professionals who need reliable multi-port serial connectivity and easy integration into existing systems. - Delivers a cost-effective way to connect industrial machines and equipment to modern computing hardware while preserving legacy interfaces. This description preserves the original product brand, specifications, models, and functions, presenting them in clear, customer-friendly terms without added or omitted technical details.