The Westermo SDW-541-MM-ST2 is a high-performance industrial Ethernet switch designed to meet the rigorous demands of various automation applications. This robust unit features 4 x 10/100BaseTX ports and 1 x 100BaseFX port, providing a flexible mix of copper and fibre interfaces. The switch supports auto-negotiation, but also allows manual configuration of speed and duplex for individual TX ports. It is equipped with LED indicators for power, speed, duplex, link, and traffic, offering clear visibility of the system status. The SDW-541-MM-ST2 operates within a wide temperature range and is designed for DIN-rail mounting, making it suitable for a variety of industrial environments. With its wide DC power range and redundant power feature, this switch ensures reliable operation even in challenging conditions. Please note, this product is designed for use within the specified conditions and requires no maintenance when used as intended.