Providing 4*10/100Base-T(X) Ethernet ports and 1*100Base-FX SFP socket. Built-in broadcast storm protection and QoS to process critical data in heavy traffic. Easy to Use and Maintain: Plug-and-play, no setup is required! Power and port LED indicators clearly display operational and port speed status, making installation and maintenance extremely straightforward. Industrial Design: DIN-rail mount, fanless, standard operating temperature (-10 to 60°C), IP40 protection, CE/FCC/UL certified. Worry-Free Guarantee: Each ORing's switch undergoes rigorous reliability and performance testing. We aim to offer customers with high quality products. Please contact us via Newegg if any problem. '