6-Port 10/100Mbps Unmanaged Desktop Switch with 4 PoE Ports> Layer two commercial switch> Supports IEEE802.3, IEEE802.3u, IEEE802.3ab and IEEE802.3x standards> MDI/MDIX self-adaptation> RJ-45 port supports 10/100 Mbps self-adaptation, and confirms to 802.3at, and 802.3af power supply sta..