HP A10500 Series Manual page 76

LINK
On
Off
Fan LEDs
The LSU1SUPA0 MPU provides two fan LEDs (OK and FAIL) for each fan tray to indicate the status of the
fan trays (FAN0 and FAN1).
NOTE:
The A10504, A10508, and A10508-V switches have only one fan tray. The LEDs for the fan tray is the
FAN0 LEDs on the MPU.
Table 39 Fan LED description
OK
On
Off
Off
Card LEDs
The LSU1SUPA0 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 A10508-V switch and on the right of the slots on other
A10500 switches.
Table 40 Card LED description
RUN
Blinking
Off
Off
On
On
NOTE:
x
A quick flashing RUN LED indicates that the card is starting up rather than operating properly.
x
It is normal that the ALM LED for an LPU lights for a period of time at the initial phase of the system
startup.
ACT
Off
Off
FAIL Description
Off The fan tray is working properly.
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 working properly.
On The card is faulty.
x
The card is not in position.
x
Off
The card is not started (the software version of the switch does not match that
of the card).
On The LPU is starting up. This status combination is available only for LPUs.
Off The MPU is starting up. This status combination is available only for MPUs.
Description
A link is present.
No link is present.
73
Table 40 shows the LED description.