The ISF105TF-P is a 5-port industrial unmanaged PoE Ethernet switch that comes with 4 PoE ports, supporting 802.3 af/at standard, IEEE 802.3 and IEEE 802.3u/x with 10/100M full/half-duplex, MDI/MDI-X auto-sensing. With wide operating temperature ranging from -40 to 75°C, IP40 rated housing, and 46~57VDC redundant power input, it is able to work in variable industrial environments.