The Siemens 6GK1105-3AB10, part of the SCALANCE X100 series, is a robust unmanaged Industrial Ethernet switch designed for reliable performance in harsh industrial environments. It features a compact metal housing for DIN rail mounting and is ideal for setting up simple, cost-effective machine-level networks. This model is equipped with five 10/100 Mbit/s RJ45 ports for standard copper connections and three 100 Mbit/s multimode fiber optic ports (SC socket), making it perfect for applications requiring long-distance communication or immunity to electromagnetic interference. With a redundant power supply input and LED diagnostics, the SCALANCE X105-3 ensures high network availability and easy fault detection for critical industrial applications.