Juniper QFX5110 Series User Manual

Table 10: Airflow Direction in Power Supplies for EX4300 Switches (continued)
Direction of AirflowLabel on Power Supply
Power Supply
Rating
Front-to-back—that is, air intake to cool the
chassis is through the vents on the front panel
of the chassis and hot air exhausts through
the vents on the rear panel of the chassis.
AIR OUT (AFO)715 W AC
Front-to-back—that is, air intake to cool the
chassis is through the vents on the front panel
of the chassis and hot air exhausts through
the vents on the rear panel of the chassis.
AIR OUT (AFO)1100 W AC
Front-to-back—that is, air intake to cool the
chassis is through the vents on the front panel
of the chassis and hot air exhausts through
the vents on the rear panel of the chassis.
AIR OUT (AFO)1400 W AC
NOTE: Only
EX4300-48MP and
EX4300-48MP-S
switches support
1400 W AC power
supply.
For more information, see Cooling System and Airflow in an EX4300 Switch.
CAUTION: Do not mix:
•
AC and DC power supplies in the same chassis.
•
Power supplies with different airflow labels (AIR IN (AFI) and AIR OUT (AFO)) in the
same chassis.
•
Fan modules with different airflow labels (AIR IN (AFI) and AIR OUT (AFO)) in the
same chassis.
•
Power supplies and fan modules with different airflow labels (AIR IN (AFI) and AIR
OUT (AFO)) in the same chassis.
Fan Modules
In the EX4300 switches the fan modules are hot-insertable and hot-removable field-replaceable units
(FRUs).
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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