NOTE: The device powers on as soon as power is provided to the power supply. There is no
power switch on the device.
7. Insert the power cord plug into an AC power source outlet.
8. If the AC power source outlet has a power switch, set it to the ON (|) position.
9. Verify that the AC and DC LEDs on each power supply are lit green.
If the amber fault LED is lit, remove power from the power supply, and replace the power supply (see
“Removing a Power Supply from a QFX3500 Device” on page 455 or “Removing a Power Supply from
a QFX3600 or QFX3600-I Device” on page 445). Do not remove the power supply until you have a
replacement power supply ready: the power supplies or a blank cover panel must be installed in the
device to ensure proper airflow.
CAUTION: Replace a failed power supply with a blank panel or new power supply
within 1 minute of removal to prevent chassis overheating.
RELATED DOCUMENTATION
AC Power Supply for a QFX3500, QFX3600, or QFX3600-I Device
AC Power Supply LEDs on a QFX3500, QFX3600, or QFX3600-I Device | 523
Connecting DC Power to a QFX3500, QFX3600, or QFX3600-I Device
The QFX3500, QFX3600, and QFX3600-I devices are shipped from the factory with two 650 W power
supplies pre-installed. Each power supply is a hot-removable and hot-insertable field-replaceable unit
(FRU) when the second power supply is installed and running. You can install replacement power supplies
without powering off the device or disrupting the switching function.
WARNING: DC-powered QFX3500, QFX3600 and QFX3600-I devices are intended
for installation only in a restricted access location.
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