Juniper QFX5110 Series User Manual

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.
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AC Power Supply for a QFX3500, QFX3600, or QFX3600-I Device
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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.
NOTE: The battery returns of the DC power supply should be connected as an isolated DC
return (DC-I).
Before you begin connecting DC power to the device:
•
Ensure that you have taken the necessary precautions to prevent electrostatic discharge (ESD) damage
(see “Prevention of Electrostatic Discharge Damage” on page 242).
•
Ensure that you have connected the device chassis to earth ground.
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Juniper QFX5110 Series Specifications

General

Rack Units	1U
Operating System	Junos OS
Form Factor	Fixed
Management	CLI, SNMP, NETCONF
Operating Temperature	32°F to 104°F (0°C to 40°C)
Storage Temperature	-40°F to 158°F (-40°C to 70°C)
Humidity	5% to 90% non-condensing
AC Power Input	100-240 VAC
Power Supply	Redundant, hot-swappable