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UNDERSTANDING LED INDICATORS
The front panel LEDs provide instant status feedback, and helps
monitor and troubleshoot when needed.
Figure 5. LED indicators of the Switch
Power and CPU LEDs
POWER: Power Indicator
On :
When the Power LED lights on, the Switch is receiving power.
Off :
When the Power turns off or the power cord has improper connection.
CPU: Management Indicator
Blinking :
When the CPU is working, the CPU LED is blinking.
On/Off :
The CPU is not working.
Ports 1~8 PoE port status LEDs
Link/ACT: Link/Activity
On :
When the Link/ACT LED lights on, the respective port is
successfully
connected to an Ethernet network.
Blinking
:
When the Link/ACT LED
is blinking, the port is transmitting or
receiving data on the Ethernet network.
Off :
There is no link.