5-port 10/100Mbps RJ-45 with auto MDI/MDI-X function. 4-port support 48V DC power to PoE Powered Device (Port-1 to Port-4). Complies with IEEE 802.3af Power over Ethernet End-Span PSE. Up to 4 IEEE 802.3af devices powered. Supports PoE Power up to 15.4 watts for each PoE port. Auto detect powered device (PD). Circuit protection prevent power interference between ports. Remote power feeding up to 100m. IP30 aluminum metal case protection. DIN rail and wall mount design. Redundant power design. 24 or 48V DC, redundant power with polarity reverse protect function. Supports EFT protection 6000V DC for power line. Supports ESD 6000V DC Ethernet protection. -10 to 60º C operating temperature. WITH LAYER 2 FEATURES.