HP 7500 Series Installation Manual page 126

Table 63 Description for PWR LEDs with numbers
OK
On
Off
Off
Fan LEDs (FAN)
The MPU provides two fan LEDs (OK and FAIL) to indicate the working status of the fan assembly.
Table 64 Fan LED description
OK
On
Off
Off
Card LEDs (SLOT)
The MPU provides card LEDs (SLOT).
The LSQ1MPUA0 MPU provides numbered LEDs to indicate the status of LPUs in the corresponding
•
slots. The MPU LED indicates the working status of the MPU itself.
Other MPU models provide numbered LEDs to indicate the status of active MPUs, standby MPUs,
•
and LPUs in the corresponding slots.
NOTE:
The number of a slot on the 7506-V is marked on both left and right sides of the slot, and that on other
models is marked on the right side of the slot.
Table 65 Card LED description
RUN
Flashing
Off
Off
On
On
FAIL Description
Off The corresponding power supply is operating correctly.
The corresponding power supply has no output power. (The cause can
be: the power supply is faulty or not switched on; a power cord
On
connection problem has occurred; the external power supply is
unavailable.)
Off No power supply is installed in the corresponding slot.
FAIL Description
Off The fan assembly is operating correctly.
On A fan problem has occurred or the fan assembly is absent.
Off The switch is not powered on.
Table 65
ALM Description
Off The corresponding card is operating correctly.
On The corresponding card is faulty.
This status has occurred in the following cases:
•
The corresponding card is absent.
Off
•
The card is not started (the software version of the switch does not match
that of the card).
On The corresponding LPU is starting up.
Off The corresponding MPU is starting up.
shows the LED description.
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