TRENDnet 6-Port Hardened Industrial Gigabit Poe+ Layer 2 Managed DIN-Rail Switch, 4 x Gigabit PoE+ 802.3at Ports, 1 x Gigabit Port, 1 x Gigabit SFP Slot, 120W Power Budget, Black, TI-PG541i 6-Port ManagedTREND net's 6 Port Hardened Industrial Gigabit Poe+ Layer 2 Managed DIN Rail Switch, model TI PG541i, has four Gigabit Poe+ ports, one Gigabit port, one Gigabit SFP slot and a 120 Watts Poe budget. The switch is equipped with an IP30 rated metal enclosure and designed to withstand a high degree of vibration, shock, protection against ESD EMI surge, and operate within a wide temperature range ( 40 70 C ( 40 158 F)) for harsh environments. L2 management