
Figure 25: DC Power Supply in QFX5220-128C
3
—
1
—
Handle
Power LED
2
—
Ejector lever
Figure 26: DC Power Supply in QFX5220-32CD
CAUTION:
Verify that the airflow direction on the power supply handle matches the
direction of airflow in the chassis. Ensure that each power supply you install in the chassis
has the same airflow direction. If you install power supplies with two different airflow
directions, Junos Evolved 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.
shows the characteristics of the power supply and the direction of the airflow.
Table 20: DC Power Supply Summary
Color of Power
Supply Handle
Direction of
Airflow
Product Number
Wattage
Model
Juniper gold
Airflow Out
(port-to-FRU)
JPSU-1600W-DC-AFO
1600-W
QFX5220-128C
72
Summary of Contents for QFX5220
Page 1: ...QFX5220 Switch Hardware Guide Published 2019 11 07 ...
Page 18: ......
Page 77: ......
Page 107: ......
Page 148: ......
Page 172: ...5 CHAPTER Troubleshooting Hardware Troubleshooting the QFX5220 179 ...
Page 173: ......
Page 182: ......
Page 206: ...Restricted Access Warning 213 ...
Page 221: ...Jewelry Removal Warning 228 ...
Page 224: ...Operating Temperature Warning 231 ...
Page 234: ...DC Power Disconnection Warning 241 ...
Page 238: ...DC Power Wiring Sequence Warning 245 ...