SCALANCE X202-2PIRT managed IE IRT switch, 2x 10/100 Mbit/s RJ45 ports, 2x 100 Mbit/s POF SC RJ ports, 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.