Cisco Catalyst IE3100 Rugged Ethernet Switch - 4 Ports - Manageable - Gigabit Ethernet - 10/100/1000Base-T, 1000Base-X - 2 Layer Supported - 2 SFP Slots - 20 W Power Consumption - 120 W PoE Budget - Twisted Pair, Optical Fiber - PoE Ports - DIN Rail Mountable, Compact