H3C Technologies H3C S10500 Series Switches - Manual (Page 90)

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Table 36 Management Ethernet port LED description
LINK ACT Description
On Flashing
A link is present, and the management Ethernet port is receiving or
sending data.
On Off A link is present.
Off Off No link is present.
Fan LEDs
Each MPU provides two sets of LEDs (OK and FAIL) to indicate the status of two fan trays (FAN0 and
FAN1). The S10504, S10508, and S10508-V switches have only one fan tray. The LEDs for the fan tray
is the FAN0 LEDs on the MPU. The S10512 switch has two fan trays. The LEDs for the fan trays are the
FAN0 and FAN1 LEDs on the MPU.
Table 37 Fan LED description
OK FAIL Description
On Off The fan tray is operating correctly.
Off On A fan problem is present or the fan tray is not in position.
Off Off The switch is not powered on.
Card LEDs
Each MPU has the LEDs numbered the same as card slots to indicate the status of the active MPU, standby
MPU, LPUs, and switching fabric modules in the slots.
Table 38 shows the LED description.
NOTE:
Slot numbers are marked on top of the slots on the S10508-V switch and on the right of the slots on other
S10500 switches.
Table 38 Card LED description
RUN ALM Description
Flashes once per
second
Off The card is operating correctly.
Flashes once per
second Flashes once
every 4 seconds The card temperature exceeds the upper warning threshold or falls
below the lower warning threshold.
On On The card is booting or faulty.
On Off The MPU is starting up.
Off Off The card is not in position.
NOTE:
•
When the RUN LED flashes 4 times per second, the card is loading software. If the RUN LED flashes in
this state continuously, the card is not compatible with the switch software.
• It is normal that the ALM LED for an LPU lights for a period of time at the initial phase of the system
startup.