3com S7906E 快速安装指南
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.
z
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.
z
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.