HTP-5881 HTP-5881 is a 8-port 10/100M PoE Fast Ethernet Switch 8-port 10/100BaseT(X) with PoE Auto-MDI/MDI-X, Auto-Negotiation, Non-Blocking IEEE 802.3af Power over Ethernet. MAC Address: 4K Buffer Memory: 1.625M bits Transmission Method: Store and Forward Power Input: 100~240VAC, 50~60HZ. Power Output:802.3af.