3
P1
ON -- when V1+, V1- is connected
LED indicator
P2
ON -- when V2+, V2- is connected
Green LED ---
ON =Link
Flash = TX/RX.
ALM: Relay LED Amber
ON one power is connected
OFF two powers are connected
POE: Amber LED ---
ON = POE detected
OFF = POE not detected
Flash = POE detecting.