Figure 18: DC Power Supply Faceplate on a QFX5110
5
5—
1—
ESD grounding point
Shunt negative input terminals (-48V)
6—
2—
Fault LED
Shunt positive input terminals (+RTN)
7—
3—
Output LED
Terminal block
8—
4—
Input LED
Security latch
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 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.
shows the different power supplies and their direction of airflow.
Table 15: Airflow Direction in QFX5110 DC Power Supplies
Color of Power Supply Handle
Direction of Airflow
Product Number
Juniper Azure Blue
FRU-to-port
JPSU-650W-DC-AFI
Juniper Gold
Port-to-FRU
JPSU-650W-DC-AFO
To avoid electrical injury, carefully follow the instructions in
and
“Removing a Power Supply from a QFX5110” on page 111
.
Related
Documentation
QFX5110 DC Power Supply LEDs on page 38
•
•
QFX5110 Field-Replaceable Units on page 15
Copyright © 2017, Juniper Networks, Inc.
36
QFX5110 Switch Hardware Guide
Summary of Contents for QFX5110
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