LED
Status
Operation
PWR
On
Power On
Off
Check connection; turn power on
1 - 5
On
Valid port connection
Blinking
Data transmitted/received
Off
No link established
PoE
On
Port is linked to PSE/PoE device
Off
No PSE/PoE device is linked
PoE Limit
On
Power draw of connected PoE devices exceeds available PoE budget
Uplink
On
Valid port connection on port 5
Blinking
Valid port connection; data transmitted/received
Off
No link established
SFP
On
SFP module inserted, link established