Installation Manual
H3C S9500 Series Routing Switches
Chapter 5 Switch Monitoring and Maintenance
5-3
Table 5-2
Description of fan tray LEDs
LED
Status
Meaning
Steady ON
The fan tray works normally.
RUN (Green)
OFF
The fan tray is faulty.
Steady ON
The fan tray is faulty.
ALM (Red)
OFF
The fan tray works normally.
Note:
The ALM LED on the fan tray keeps ON for 2 to 3 seconds when the switch is powered
on.
If the RUN LED of the fan tray is OFF, make sure that:
z
The fan tray has been well seated.
z
All the cables connecting the fan tray and the backplane have been correctly
connected and are in good condition.
z
The fans are working normally.
z
The rotation of the fans has not been blocked.
z
The blank filler panels have been inserted into those LPU slots.
5.1.4 Troubleshooting LPUs
The S9500 series provide LPU
X
LEDs on the SRPU for the user to observe the state of
these LPUs.
Note:
z
For the S9502, LPU 0 to LPU 2 correspond to Slots 1 to 3 respectively.
z
For the S9505, LPU 0 to LPU 4 correspond to Slots 2 to 6 respectively.
z
For the S9508/S9508V, LPU 0 to LPU 7 correspond to Slots 0 to 3 and Slots 6 to 9
respectively.
z
For the S9512, LPU 0 to LPU 11 correspond to Slots 0 to 5 and Slots 8 to 13
respectively.
For the meanings of LEDs, refer to Description of LPU LEDs.