4-port 10/100Base-TX RJ-45 with IEEE 802.3af PoE injector. 1-port 100Base-FX SFP interface. 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 detects powered device (PD). Circuit protection prevents 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 protection power line. Supports Ethernet ESD 6000V DC protection. -10 to 60º C operation temperature. WITH LAYER 2 FEATURES.