Switch 48-Port 10/100 + 2 x Giga ports + 2 Combo SFP/Giga ports, Full L3 Managed DES-3852 Interface - 48 10/100BASE-TX Ports - 2 10/100/1000BASE-T Ports - 2 Combo 10/100/1000BASE-T Ports/SFP Slots - Auto-Negotiation of Network Speeds - RS-232 Console Port Power - Internal Power Supply: AC to DC - Power Input: 100 to 240VAC, 1A, 50 to