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MicroNet Technology SP648B Manuel D’Utilisation

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10
UNDERSTANDING LED INDICATORS 
The front panel LEDs provides instant status feedback, and, helps 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. 
Off 
:  When the Power turns off or the power cord has improper connection. 
SYSTEM: Management Indicator 
Blinking 
:  When the CPU is working, the System LED is blinking. 
On/Off 
:  The CPU is not working. 
Ports 1~48 10/100M 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 : 
No 
link. 
Ports 49~50 Gigabit Status LEDs 
Link/ACT: Link/Activity 
On 
:  When the Link/ACT LEDA 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.