Supports 8*10/100/1000Tx (30W/Port) + 4*100/1000 SFP portsSupports Auto MDI/MDI-X FunctionStore-and-Forward Switching Architecture24Gbps Back-Plane (Switching Fabric)8K MAC Address Table9.6Kbytes Jumbo Frame SupportSurge Protection: 2, 000 VDC SupportESD Protection: 6, 000 VDC SupportRedundant Power Input Design: 48~55VDCBuilt-in 1 Relay Output for Power Failure DetectionIP30 Rugged Metal Case DesignDIN-Rail and Wall Mount SupportOperating Temperature Range: -10° to 70° C5-Year Warranty