3Com S7906E Getting Started Manual page 37

Table 1-47 Description of the status LEDs of the 10/100Base-TX Ethernet port
LED
LINK
ACT
System LEDs
System status LED
The status LEDs on the panel indicate the statuses of the power modules, fan tray, twelve LPUs, and
SQ1SRPB0 itself.
Power status LED
PWR: The power status LEDs show the status of the power modules
Table 1-48 Description of the power status LEDs
LED
ON: The power modules operate normally.
OK
OFF: The power modules are faulty or out of position.
ON: At least one power module is faulty or switched off.
FAIL
OFF: The power modules are operational or out of position.
Fan status LEDs
FAN: The LEDs show the status of the fan tray.
Table 1-49 Description of the fan status LEDs
LED
OK
FAIL
LPU status LEDs (SLOT0 through SLOT11)
SLOT1 through SLOT11: The LPU status LEDs indicate the status of the LPUs seated in the twelve
slots.
Table 1-50 Description of LPU status LEDs
LED
RUN
ALM
OFF: No link is present.
ON: A link is present.
OFF: No data is being transmitted or received.
Blinking: Data is being transmitted or received.
ON: The fans operate normally.
OFF: The fans are faulty or out of position.
ON: The fans are faulty or out of position.
OFF: The fans operate normally.
ON/OFF: The LPU is faulty or out of position.
Blinking: The LPU is operating normally.
OFF: The LPU is operational or out of position.
ON: The LPU is faulty.
1-31
Description
Description
Description
Description