GS-5220-Series Sales Guide

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u Intelligent Powered Device Alive Check
ü The GS-5220 Ultra PoE with LCD Series can be configured to monitor connected PD
(powered device) status in real time via ping action.
ü Once the PD stops working and responding, the GS-5220 Ultra PoE with LCD Series will
resume the PoE port power and bring the PD back to work. 
PD Status Good!
……
Alarm Notification
PD is back Alive!
Check alive status for 3 times
Restart PoE device if without response
PD Alive Check