| Type Number of Channels Power - Max Internal Switch(s) Auxiliary Sense Standards Voltage - Supply Current - Supply Operating Temperature Package / Case Supplier Device Package | Controller (PSE) 4 25.5W No No 802.3at (PoE+), 802.3af (PoE) 44 V ~ 57 V 3.5mA -40°C ~ 85°C 28-TSSOP (0.173, 4.40mm Width) 28-TSSOP |