Ports 48 x 10/ 100Mbps Auto-MDIX Fast Ethernet ports 4 x 10/ 100/ 1000Mbps Auto-MDIX Gigabit ports 2 x 1000Base-SX/ LX Mini-GBIC slots( shared with 2 Gigabit ports) Media interfaces Ethernet: UTP/ STP Cat. 3, 4, 5 Fast Ethernet: UTP/ STP Cat. 5 Gigabit: UTP/ STP Cat. 5 Manageable Yes Power Supply 100-240V AC, 50/ 60Hz Internal Universal Power Supply / 24 watts ( max)