3com S7906E 빠른 설정 가이드

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7-5 
Troubleshooting LPUs 
Table 7-4 Description of LPU LEDs 
LED 
Status 
Description 
ON/OFF  
The LPU is faulty or is not installed yet. 
RUN (Green) 
Flashing 
The LPU works normally. 
OFF  
The LPU is faulty or is not installed yet. 
ALM (Red) 
ON  
The LPU works abnormally. 
 
If the ALM LED of an LPU stays ON, something is wrong with the LPU. When you reset the LPU, 
the ALM LED will turn on. After normal booting, the LED will be OFF. 
When resetting an LPU, if the ALM LED stays OFF, the LPU may be disconnected from the power 
supply. Check if the LPU is properly installed.