Industrial 8-Port 1G PoE+ + 4-Port 1G SFP Smart Switch, 8 x Gigabit ports for fast data transmission, IEEE 802.3af/at with 240W PoE power budget, Dual power inputs provide power redundancy, -40 C to 75 C operation for harsh environments, 6kV surge protection on Gigabit Ethernet ports, Fanless and IP40-rated design enhance reliability, Support Ethernet Ring Protection Switching (ERPS), Support L2 management and IP static routing