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Installing or replacing a power supply
Verifying proper operation
To verify the proper operation of the power supply after power on, you can observe the LEDs on the power supply. The table below
outlines the LEDs, the desired state of each LED, possible abnormal states of each LED, and what to do if an LED indicates an abnormal
state.
TABLE 27 Desired and abnormal power supply LED states after system power on
LED
AC OK (AC supply only)
DC IN (DC supply only)
DC OUT
148
Desired State
ON - Green (steady)
Green (steady)
ON - Green (steady)
Desired State Meaning
The power supply is
receiving AC power from an
AC power source
The power supply is
receiving DC power from a
DC power source
The power supply is
supplying DC output power
to the chassis
Abnormal State
OFF
OFF
OFF
Brocade FastIron SX Series Chassis Hardware Installation Guide
Abnormal State Meaning or
Action
The power supply is not
receiving power from an AC
power source. You can do
the following:
•
Make sure that
the power supply
cord is connected
securely to the
wall outlet and the
power supply.
•
Make sure that
the wall outlet is
rated for 115 or
120V and 20A. If
it is not, obtain a
cable that is
compatibly rated
for the outlet.
•
Make sure that
the wall outlet has
power.
The power supply is not
receiving power from a DC
power source. You can do
the following:
•
Make sure that
the power supply
cables are
connected
securely to the
power source and
the power supply.
•
Make sure that
the DC power
source is 48VDC
@ 37.0 A.
•
Make sure that
the power source
has power.
The power supply is not
supplying DC output power
to the chassis.
If this occurs and the AC
OK (AC power supply) or
DC IN (DC power supply)
LED is Green, then there is
a problem with the power
Part Number: 53-1003613-04
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