Ethernet Switch Type = Managed / Mounting Type = Rack Mount / Ports = 28 / RJ45 Ports = 12 / Fibre Ports = 20 / Fibre Port Type = SC / Fibre Port Type = SFP / Network Speed Gbps = 1 / Protection Rating = IP20 / Series = FL SWITCH / Operating Voltage Min. - AC V = 100 / Operating Voltage Max. - AC V = 240 / Operating Voltage Min. - DC V = 88 / Operating Voltage Max. - DC V = 300 / Operating Temperature Min. °C = -40 / Operating Temperature Max. °C = 70 / Width mm = 442 / Depth mm = 375 / Height mm = 44