Supports 16*10/100/1000Tx + 4*100/1000 SFP portsSupports Auto MDI/MDI-X FunctionStore-and-Forward Switching Architecture8K MAC Address TableSurge Protection: 2, 000 VDC SupportESD Protection: 6, 000 VDC SupportRedundant Power Input Design: 12~48VDCBuilt-in 1 Relay Output for Power Failure DetectionIP30 Rugged Metal Case DesignDIN-Rail and Wall Mount SupportOperating Temperature Range: -40° to 75°C5-Year Warranty