HP 10504 Installation Manual page 87

Table 39 Management Ethernet port LED description
LINK
On
On
Off
Fan LEDs
Each MPU provides two sets of LEDs (OK and FAIL) to indicate the status of two fan trays (FAN0 and
FAN1).
The 10504, 10508, and 10508-V switches have only one fan tray. The LED for the fan tray is the FAN0
LED on the MPU.
The 10512 switch has two fan trays. The LEDs for the fan trays are the FAN0 and FAN1 LEDs on the MPU.
Table 40 Fan LED description
OK
On
Off
Off
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.
NOTE:
Slot numbers are marked on top of the slots on the 10508-V switch and on the right of the slots on other
10500 switches.
Table 41 Card LED description
RUN
Flashes once per
second
Flashes once per
second
On
On
Off
ACT
Flashing
Off
Off
FAIL Description
Off The fan tray is operating correctly.
On A fan problem is present or the fan tray is not in position.
Off The switch is not powered on.
ALM Description
Off The card is operating correctly.
Flashes once per The card temperature exceeds the upper warning threshold or falls
4 seconds below the lower warning threshold.
On The card is booting or faulty.
Off The MPU is starting up.
Off The card is not in position.
Description
A link is present, and the management Ethernet port is receiving or
sending data.
A link is present.
No link is present.
Table 41
81
shows the LED description.