5-Ports 10/100/1000 Tx Fast Ethernet &1-Port SFPSupports Auto MDI/MDI-X FunctionStore-and-Forward Switching Architecture8K MAC Address Table10Kbytes Jumbo Frame SupportSurge (EFT) Protection SupportEthernet ESD Protection SupportUL Class I, Division 2 CertifiedRedundant Power Input Design: 12~48 VDCBuilt-in 1 Relay Output for Port Break AlarmIP30 Rugged Aluminum Case DesignDIN-Rail and Wall Mount SupportOperating Temperature Range - EOT: -40° to 75 °C5-Year Warranty