MS653410MX 
Ruggedized 19" 10G Ethernet Layer 2 Switch, 4x 1G/10GBase-X SFP+ Slots, 24x 10/100/1000Base-T PoE+ (PSE), Serial Port, USB Port, SD Memory Card Slot, I/O: 2x in, 2x out, 2x power input 44..57 VDC