5-port 10/100BASE-TX RJ45 with auto MDI/MDI-X function. IP30-rated metal case. DIN rail and wall-mount design. 12 to 48V DC, redundant power with polarity reverse protection function and connective removable terminal block for master and slave power, 24V AC power support. Lower Power Consumption device in full load operation mode. Supports EFT protection for 6000 VDC for power line. Supports 6000 VDC Ethernet ESD protection. -40 to 75º C operating temperature. Free fall, shock-proof and vibration-proof for industries. WITH LAYER 2 FEATURES.