Key benefits Enables cost effective integration of multiple serial devices using the XR17V358 series multiI/O PCIe controller with industrystandard 16C550 UART compatibility. Designed for engineers and IT professionals who need to consolidate several serial interfaces into a single system without complex wiring or custom adapters. Supports asynchronous fullduplex serial communication over twisted pair or shielded cable, offering flexible deployment in diverse environments. Easy install with automatic IRQ address allocation and builtin DCDC isolated power to reduce ground loop issues and simplify setup. Key features and compatibility Controller: XR17V358 series multiI/O PCIe expansion card UART compatibility: 16C550compatible RS232 interfaces Interface: PCIe expansion card for standard PC or industrial PC slots Communication: asynchronous fullduplex serial transmission over twisted pair or shielded cable Installation aids: automatic IRQ address allocation Power protection: builtin DCDC isolated power for enhanced ground interference protection Applications: suitable for factory floors, laboratories, data centers, and professional workstations requiring reliable serial connectivity Use scenarios Industrial automation and manufacturing Connect RS232 devices such as PLCs, CNC controllers, barcode scanners, and measurement instruments to a PC or industrial PC for data acquisition and control. IT systems and data integration Add multiple serial ports to servers or workstations to support data loggers, telemetry receivers, POS peripherals, and other serial legacy equipment without adding external hubs. Home workshop and laboratory Facilitate development and testing of serial hardware and microcontroller projects by providing reliable, isolated RS232 interfaces in a single PCIe card.