User`s guide

Blinking :
When the Link/ACT LED is blinking, the port is transmitting or
receiving data on the Ethernet network.
Off : No link.
100M
On :
When the 100Mbps LED lights on, the respective port is connected to a
100Mbps Fast Ethernet network.
Off : When the respective port is connected to a 10Mbps Ethernet network
POWER GOOD
Green :
When the PoE device was connected and the port supplies power
successfully.
Red :
When the PoE port have the following failure happens:
9 PoE power short circuit
9 PoE Power over current
9 PoE Power fault
Off : No Powered Device is detected
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