The Siemens SCALANCE X204-2 (6GK5204-2BB10-2AA3) is a managed Industrial Ethernet switch designed for reliable data communication in demanding production environments. This model features four 10/100 Mbit/s RJ45 ports and two 100 Mbit/s multimode BFOC fiber optic ports, providing flexible connectivity options for both copper and fiber networks. Integrated LED diagnostics support quick status checks, while error signaling contacts and a set button facilitate efficient troubleshooting and maintenance. The switch is equipped with a redundant power supply feature for enhanced operational reliability and functions as a PROFINET IO device for seamless integration into automated systems. Advanced network management capabilities, including a built-in redundancy manager, help maintain continuous network operation and minimize downtime. The product includes an electronic manual on CD-ROM for easy reference, and the C-plug is available as an optional accessory.