3com S7906E 快速安装指南
1-20
Table 1-19 Description of the status LEDs of the 10/100Base-TX management Ethernet port
LED
Description
LINK
z
OFF: No link is present.
z
ON: A link is present.
ACT
z
OFF: No data is being transmitted or received.
z
Blinking: Data is being transmitted or received.
System LEDs
z
System status LEDs
The LEDs on the card panel indicate the statuses of the power modules, fan tray, two LPUs, and
LSQ1MPUA0 itself.
z
Power status LEDs
PWR1 and PWR2: The LEDs show the status of the two power modules (AC or DC).
Table 1-20 Description of the power status LEDs
LED
Description
ON: The power module works normally.
OK
OFF: The power module is faulty or out of position.
ON: The power module is faulty, or there is no power input to the power module, or the
power switch is turned off.
power switch is turned off.
FAIL
OFF: The power module is operational or out of position.
z
Fan status LEDs
FAN: The LEDs show the status of the fan tray.
Table 1-21 Description of the fan status LEDs
LED
Description
OK
z
ON: The fans operate normally.
z
OFF: The fans are faulty or out of position.
FAIL
z
ON: The fans are faulty or out of position.
z
OFF: The fans operate normally.
z
LPU status LEDs (SLOT2, SLOT3, MPU)
SLOT2 and SLOT3: The LEDs show the status of the LPUs in slot 2 and slot 3.
MPU: The LEDs show the status of the LSQ1MPUA0 itself.