The Siemens 6GK1105-2AA10 is a SCALANCE X105-2 unmanaged Industrial Ethernet switch, designed for robust and reliable networking in demanding industrial environments. It provides a cost-effective solution for setting up small star or line topologies at the machine level. This compact switch features five 10/100 Mbit/s RJ45 ports for connecting terminal devices or network segments, and two 100 Mbit/s multimode fiber optic SC ports for interference-immune communication over long distances. With its rugged metal housing, redundant power supply input, and extended temperature range, the SCALANCE X105-2 ensures high operational availability for critical automation applications.