Ubiquiti EdgeRouter X ER-X - Hardware Overview; Top Panel; Front Panel

Hardware Overview
Top Panel
Power
Ethernet (eth0-eth4)
LED State Status
Power
Off Power Off
Green Power On
eth0‑eth4
Off No Link
Green
Link Established at 10/100/1000Mbps
Flashing Indicates Activity
Front Panel
Ethernet (eth0/PoE In) Ethernet (eth1-eth3) Ethernet (eth4/PoE Out)
Port Description
eth0/PoE In
RJ45 port accepts 24V passive PoE
and supports a 10/100/1000 Ethernet
connection.
eth1‑3
RJ45 ports support 10/100/1000 Ethernet
connections.
eth4/PoE Out
RJ45 port supports passive PoE passthrough
and a 10/100/1000 Ethernet connection.