Airlink101 ASW408POE 8-Port 10/100Mbps Switch with 4 Ports PoE Power over Internet 8 Auto-Negotiation 10/100Mbps RJ45 Ports with 4 Power over Ethernet Ports (port 1~4) Over current and short-circuit protection Auto MDI/MDIX, no cross-over cable or up-link port is needed Metal case, ultra-compact design