SCALANCE X204-2, managed IE switch, 4x 10/100 Mbit/s RJ45 ports, 2x 100 Mbit/s multimode BFOC, LED diagnostics, error signaling contact with set pushbutton, redundant power supply, PROFINET IO device, network management; Redundancy Manager integrated, incl. electron. manual on CD-ROM, C-PLUG optional.