Supports 4-Port 10/100/1000Tx IEEE 802.3at PoE+ Compliant with 30W per Port, 1-Port 10/100/1000Tx + 2-Port 100/1000 SFPSupports Auto MDI/MDI-X FunctionStore-and-Forward Switching Architecture14Gbps Back-Plane (Switching Fabric)8K MAC Address Table9.6Kbytes Jumbo Frame SupportSurge Protection: 2, 000 VDC SupportESD Protection: 6, 000 VDC SupportUL Class I, Division 2 CertifiedRedundant Power Input Design: 12~55VDCBuilt-in 1 Relay Output for Power Failure DetectionIP30 Rugged Metal Case DesignDIN-Rail and Wall Mount SupportOperating Temperature Range - EOT: -40° to 75° C5-Year Warranty