Brocade FastIron SX Series Chassis Hardware Installation Guide - Manual (Page 146)

Desired and abnormal power supply LED states after system power on TABLE 25
LED Desired
State Desired State
Meaning Abnormal
State 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 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.
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
chassis OFF 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 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.
If a problem persists after taking action described in this table, contact Brocade’s technical support.
Displaying the status of the power supplies
You can display the status of the power supplies by entering the show chassis command at any level
of the CLI. The display shows whether a power supply is installed in the specified power supply slot
and the status of the power supply, which can be one of the following:
• OK - The power supply is functioning properly and supplying power to the chassis and installed
modules.
• Failed - The power supply is not functioning and is not supplying power to the chassis and
installed modules.
Displaying the status of the power supplies
144 Brocade FastIron SX Series Chassis Hardware Installation Guide
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