SCALANCE XR324-4M PoE TS Managed IE switch. 19 rack 8x 10/100/1000 Mbit/s for RJ45 ports electrical with PoE. 8x 10/100/1000 Mbit/s for RJ45 ports electrical without PoE 4x 10/100/1000 Mbit/s 2-port media modules. electrical or optical LEDdiagnostics error signaling Contact Select/set pushbutton. PROFINET IO device. Power supply 24 V DC Ports in the front