StarTech.com 5 Port Unmanaged Industrial Gigabit Ethernet Switch - DIN Rail / Wall-Mountable

5 10/100/1000 Mbps unmanaged RJ45 Ethernet ports IP30-rated DIN rail and wall-mountable metal enclosure Wide-range redundant power via two 12-58V DC terminal block inputs, with alarm relay Overcurrent and reverse polarity protection Extended operating temperature range (-40?C to 75?C) Speed / duplex auto-negotiation and auto-MDIX detection on each port Up to 9K jumbo frame support IEEE 802.3az Energy-Efficient Ethernet Supports IEEE 802.3x flow control and back-pressure