15
UNDERSTANDING LED INDICATORS
The front panel LEDs provides instant status feedback, and helps monitor and
troubleshoot the Switch when needed.
Figure 6. LED indicators of the Switch.
Power and System 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 is not properly connected.
CPU: Management Indicator
Blinking
: When the CPU is working, the System LED is blinking.
On/Off
: The CPU is not working.
Ports 1~16 Status LEDs
Link/Act:
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 :
No link.
