Modular Indl GbE Basic-Switch, 8x 10/100/1000T PoE+ (PSE), PoE+(PD), 4 x Dual Media Ports: 100/1000X SFP-Slot or 10/100/1000T, integ. CPU, Serial Port, USB Port, SD Memory Card Slot, I/O: 2x in, 2x out, 2x power input 24..57 VDC