The switch PCM12SMTR is a 12-port Fast Ethernet switch designed for industrial applications. It features rugged construction to withstand harsh environments, making it suitable for use in factories and outdoor installations. The switch has a compact design and can be easily mounted on a DIN rail. It supports a variety of network protocols and features plug-and-play functionality for easy installation. The switch also offers a wide operating temperature range and has redundant power inputs for increased reliability. Additionally, it features LED indicators for power and network activity, as well as surge protection to prevent damage from electrical surges. Overall, the switch PCM12SMTR is a reliable and versatile choice for industrial networking needs