UNDERSTANDING LED INDICATORS
The front panel LEDs provide instant status feedback, and help monitor and troubleshoot when needed.
Figure 5. LED indicators of the Switch
Power and System LEDs
POWER: 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 improper connection. |
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CPU: Management Indicator
Blinking | : | When the CPU is working, the System LED is blinking. |
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On/Off | : | The CPU is not working. |
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Ports 1~48 10/100M 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 | : | No link. |
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Ports 49~50 Gigabit 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 | : | No link. |
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SPEED:
On | : | When the green light is on, the respective port is connected to a |
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| 1000Mbps Gigabit Ethernet network. |
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