TP-LINK 5-Port 10/100Mbps Desktop Switch with 4-Port PoE

4 of the 5 Auto-Negotiation RJ45 ports (Port 1 to Port 4) of the switch support Power over Ethernet (PoE) function. These PoE ports can automatically detect and supply power with those IEEE 802.3af compliant Powered Devices (PDs).
5 10/100Mbps RJ45 ports; With four PoE ports, transfers data and power on one single cable; Working with IEEE 802.3af compliant PDs, expands home and office network