Product Type = Switch / PoE Power Budget W = 370 / Ethernet Switch Type = Layer 2 Managed / Ports = 52 / RJ45 Ports = 48 / PoE Ports = 48 / Fibre Ports = 4 / Fibre Port Type = SFP+ / Network Speed Gbps = 10 / Series = DGS-1250 / Mounting Type = Rack Mount / Operating Voltage Min. - AC V = 100 / Operating Voltage Max. - AC V = 240 / Operating Temperature Min. °C = -5 / Operating Temperature Max. °C = 50 / Width mm = 440 / Depth mm = 430 / Height mm = 44