XF201-3P IRT managed IE IRT switch, 1x 10/100 Mbit/s RJ45 ports, 3x 100 Mbit/s POF SC RJ Ports, Bus adapter assembled, 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.