Brocade Communications Systems Brocade Superx Series Installation Guide Page 45

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Brocade FastIron SX Series Chassis Hardware Installation Guide 33
53-1002500-01
Hardware features
1
Power supply LEDs
Each power supply has three LEDs on the faceplate. The LEDs are described in Table 18.
About redundant power supplies and power supply failure
A FastIron device with redundant power supplies can maintain full operation when one or more
power supplies fail. Power supply failure can be a failure of the supply itself or the office power grid
connected to the power supply.
TABLE 18 Power supply LEDs
LED Desired State Meaning Abnormal
State
Meaning or Action
AC OK (AC
supply only)
ON – Green
(steady)
The power supply is
receiving AC power
from an AC power
source
OFF 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 115/120V and 20A. If it
is not, obtain a cable that is
compatibly rated for the outlet.
Make sure that the wall outlet
has power.
DC IN (DC
supply only)
Green (steady) The power supply is
receiving DC power
from a DC power
source
OFF 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.
DC OUT ON – Green
(steady)
The power supply is
supplying DC output
power to the device
OFF The power supply is not supplying DC
output power to the device.
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 supply and it must be
replaced.
ALM OFF No alarms present and
the power supply is in
normal operating
condition.
Amber There is an alarm present and the
power supply is malfunctioning.
Verify the AC or DC input and DC
output voltages.
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