UNDERSTANDING LED INDICATORS
The front panel LEDs provides instant status feedback, and helps monitor and troubleshoot when needed.
Figure 6. LED indicators of the Switch
Power and System LEDs
POWER: System Power Indicator
On | : | When the Power LED lights on, the Switch is receiving power. |
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Off | : | When the Power turns off or the power cord has an improper |
connection. | ||
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CPU: Management Indicator
Blinking | : | When the CPU is working, the CPU LED is blinking. |
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On/Off | : | The CPU is not working. |
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Ports 1~48 Status LEDs
Link/ACT: Link/Activity
On | : | When the Link/ACT LED lights on, the respective port is successfully |
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| connected to an Ethernet network. |
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Blinking | : | When the Link/ACT LED is blinking, the port is transmitting or |
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| receiving data on the Ethernet network. |
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Off | : | There is no link. |
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