Supports long distance PoE transmission up to 800m with ePoE technology of Dahua.- Layer-two ePoE switch.- MAC auto study and aging, MAC address list capacity is 8K · Conform IEEE802.3, IEEE802.3u, IEEE802.3ab/z and IEEE802.3X standards.- Supports IEEE802.3af, IEEE802.3at, Hi-PoE standard.- Industrial wide temperature design.- Port indicator light is to display the status of current transmission mode for the port, which includes IEEE, E100 and E10.-