The SW5 Series Power Over Ethernet (POE) switches offered by Tycon Power Systems are fully automatic high speed 5 port Ethernet switches with up to 2A of POE power per port. The switch comes in 4 models:TP-SW5G-D: IEEE802.3af/at Compliant 48VDC 10/100/1000MB POE Switch. Switch accepts 48VDC power via a wire terminal connector on the back of the Switch or via 48VDC POE into the 802.3af/at compliant uplink port (90W max). 35W per port.TP-SW5G-24: IEEE802.3af/at Compliant 48VDC 10/100/1000MB POE Switch. Switch accepts 12-36VDC power via a wire terminal connector on the back of the Switch or via 48VDC POE into the 802.3af/at compliant uplink port (90W max). Perfect for remote solar/battery systems. 35W per port.TP-SW5G-NC: Universal Voltage 10/100/1000MB POE Switch. Switch accepts universal voltage (12-57VDC) via the wire terminal connector on the back of the switch. Also accepts 12-57VDC (1A max) Passive POE input on port 5. 1A per port.TP-SSW5-NC: Universal Voltage 10/100 POE Switch. Switch accepts universal voltage (12-57VDC) via the wire terminal connector on the back of the Switch. This model is very compact at only 4"x5"x1.5". 2A per port.