Trendnet'S 6-Port Hardened Industrial Gigabit Poe Plus Layer 2 Managed Din-Rail Switch, Model Ti-Pg541I, Has Four Gigabit Poe Plu 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 Include Features Such As Poe Port Control, Vlan, Multicast, And Qos Which Allow For Network Integration Flexibility.