Features:*Eight PoE ports deliver 120 W total power budget (maximum 15.4 W per port)*Two gigabit uplink ports for megapixel video streams*Built-in isolated 24 V to 57 V DC booster PoE for vehicle, bus, railway usage*MSTP and MSR (less than 5 ms link recovery) redundant surveillance network*Solid M12 connectors, vibration and shock resistant*EN 50121-1/4 and IEC 61373 railway and IEC 61000-6-2/4 heavy industry certified