Product Type = Switch / PoE Power Budget W = 193 / Ethernet Switch Type = Layer 2 Managed / Ports = 28 / RJ45 Ports = 24 / PoE Ports = 24 / Fibre Ports = 4 / Fibre Port Type = SFP / Network Speed Gbps = 1 / Series = DGS-1210 / Mounting Type = Rack Mount / Operating Voltage Max. - DC V = 54 / Operating Temperature Min. °C = -5 / Operating Temperature Max. °C = 50 / Width mm = 440 / Depth mm = 250 / Height mm = 44