SCALANCE XR324-4M EEC Managed IE switch. 19 rack 16x 10/100/1000 Mbit/s for RJ45 ports electrical 4x 100/1000 Mbit/s for 2-port media modules. electrical or optical LED diagnostics error signaling Contact Select/set pushbutton. PROFINET IOdevice. network management. Integrated redundancy manager Power supply 2x 24 V DC Ports at the back