QFX5110 DC Power Supply LEDs
shows the location of the LEDs on the DC power supply.
Figure 20: DC Power Supply Faceplate on a QFX5110 Switch
3—
1—
Fault LED
Input LED
2—Output LED
CAUTION:
The V+ terminals are shunted internally together, as are the V-
terminals. The same polarity terminal can be wired together from the same
source to provide an additional current path in a higher power chassis. Do
not connect the terminals to different sources.
describes the LEDs on the DC power supplies.
Table 17: DC Power Supply LEDs on a QFX5110 Switch
Description
State
Color
Name
The power supply is disconnected from power,
or power is not coming into the power supply.
Off
Unlit
Input
Power is coming into the power supply.
On steadily
Green
The power supply is disconnected from power,
or the power supply is not sending out power
correctly.
Off
Unlit
Output
The power supply is sending out power correctly.
On steadily
Green
An error has been detected in the power supply.
Replace the power supply as soon as possible.
To maintain proper airflow through the chassis,
leave the power supply installed in the chassis
until you are ready to replace it.
On steadily
Amber
Fault
Copyright © 2017, Juniper Networks, Inc.
38
QFX5110 Switch Hardware Guide
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