Juniper QFX5220, Hardware Manual, Page: 71 / 247

Table 20: DC Power Supply Summary (continued)
Color of Power
Supply Handle
Direction of
Airflow Product Number Wattage Model
Juniper azure blue
handle
Airflow In (FRU-to
port)
JPSU-1600W-1UDCAFI 1600-W QFX5220-32CD
Juniper gold handle Airflow Out
(port-to-FRU)
JPSU-1600W-1UDCAFO 1600-W
We recommend that the 48 VDC facility DC source be equipped with a circuit breaker rated at 40 A (–48
VDC) minimum, or as required by local code.
To avoid electrical injury, carefully follow instructions in “Maintaining the QFX5220 Power System” on
page 157 .
QFX5220 DC Power Specifications
Table 21 on page 73 describes the DC power specifications for the DC version of a QFX5220 switch.
Table 21: DC Power Specifications for a QFX5220
Specifications Model Item
•
Rated operating voltage: VDC -48
VDC through -60 VDC
•
Operating voltage range: –40 VDC
through –72 VDC
DC input voltage
40 A maximum QFX5220-128C
QFX5220-32CD
DC input current rating
1394-W QFX5220-128C Typical power consumption
448-W QFX5220-32CD
1990-W QFX5220-128C Maximum power
consumption
1002-W QFX5220-32CD
We recommend that the 48 VDC facility DC source be equipped with a circuit breaker rated at 40 A (–48
VDC) minimum, or as required by local code.
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