Network broadcast storm protection4-Port 10/100Tx Fast Ethernet2-Port 100Fx SC type connector (Multi-mode)Supports Auto MDI/MDI-X FunctionStore-and-Forward Switching Architecture2K MAC Address TableSurge Protection: 2, 000 VDC supportESD Protection: 6, 000 VDC supportUL Class I, Division 2 CertifiedRedundant Power Input Design – 12~48VDCBuilt-in 1 relay output for Port Break AlarmIP30 Rugged Aluminum Case DesignDIN-Rail and Wall Mount supportOperating Temperature range: -40° to 75° C5-Year Warranty