supplies with two different airflow directions, Junos OS raises an alarm. If
you need to convert the airflow pattern on a chassis, you must change out
all the fans and power supplies at one time to use the new direction.
Table 13 on page 47 shows the different power supplies and their direction of airflow.
Table 13: Airflow Direction in QFX5110 AC Power Supplies
Color of Power Supply HandleDirection of AirflowProduct Number
Juniper Azure BlueFRU-to-portJPSU-650W-AC-AFI
Juniper GoldPort-to-FRUJPSU-650W-AC-AFO
To avoid electrical injury, carefully follow instructions in “Connecting AC Power to a
QFX5110” on page 95.
QFX5110 AC Power Specifications
Table 14 on page 47 describes the AC power specifications for QFX5110 switches. The
typical and maximum power consumption values are calculated using small form-factor
plus (SFP+) direct attach copper (DAC) cables on all network ports and all
100GBASE-SR4 transceivers in the uplink ports. Traffic is run at 25° C ambient.
Table 14: AC Power Specifications for QFX5110 Models
QFX5110-32Q SpecificationQFX5110-48S SpecificationItem
Operating range: 90 VAC to 264 VACOperating range: 90 VAC to 264 VACAC input voltage
50–60 Hz50–60 HzAC input line
frequency
3.6 A at 90 VAC3.6 A at 90 VACAC input current
rating
250 W150 WIdle power
consumption
290 W195 W (input current of 0.973 A at 220 VAC)Typical power
consumption
340 W300 WMaximum power
consumption
QFX5110 AC Power Cord Specifications
Detachable AC power cords are shipped with the chassis, if you include them as part of
your order. The coupler is type C13 as described by International Electrotechnical
Commission (IEC) standard 60320. The plug at the male end of the power cord fits into
the power source outlet that is standard for your geographical location.
47Copyright © 2019, Juniper Networks, Inc.
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