Follow IEEE802.3 Ethernet and IEEE802.3u Fast Ethernet protocol standards Three redundant power inputs, more power supply guarantee, each channel supports anti-reverse connection. DIN rail installation, electric control box and weak current box supporting DIN rail seat, direct buckle installation All ports support full duplex/half duplex working mode Automatic MDI/MDI-X line sequence cross Automatic address learning and aging Storage/conversion and frame filtering Power Indicator