The Moxa NPORT W2150A-W4-EU is an industrial-grade serial device server designed for reliable connectivity in demanding environments. This rugged device converts RS-232/422/485 serial interfaces to Ethernet, enabling seamless integration of legacy serial devices into modern network infrastructures. With four serial ports supporting data rates of up to 921.6 kbps, it offers flexible connectivity options for industrial automation, building management, and remote monitoring applications. The device features a wide operating temperature range of -40 °C to 75 °C, making it suitable for harsh industrial environments. It supports multiple network protocols including TCP, UDP, and Real-COM drivers for easy integration into existing systems. The compact metal housing measures 132 mm x 105 mm x 44 mm and weighs approximately 800 g, ensuring durability and space-saving installation. Power supply options include 12 to 48 VDC with redundant power inputs for increased reliability. Advanced security features include SSH, SSL, and IP filtering to protect network communication. The device supports both 10/100 Mbps Ethernet connectivity and DIN rail mounting for industrial installations. Configuration can be managed through web-based interfaces or command line programs, providing flexible administration options. With its industrial-grade components and robust design, this device server delivers stable performance under challenging conditions while maintaining compatibility with a wide range of serial devices and industrial protocols.