Juniper QFX Series Hardware Guide

QFX5110 DC Power Supply LEDs
Figure 20 on page 52 shows the location of the LEDs on the DC power supply.
Figure 20: DC Power Supply Faceplate on a QFX5110 Switch
3—1— Fault LEDInput 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.
Table 19 on page 52 describes the LEDs on the DC power supplies.
Table 19: DC Power Supply LEDs on a QFX5110 Switch
DescriptionStateColorName
The power supply is disconnected from power,
or power is not coming into the power supply.
OffUnlitInput
Power is coming into the power supply.On steadilyGreen
The power supply is disconnected from power,
or the power supply is not sending out power
correctly.
OffUnlitOutput
The power supply is sending out power correctly.On steadilyGreen
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 steadilyAmberFault
Copyright © 2019, Juniper Networks, Inc.52
QFX5110 Switch Hardware Guide

Juniper QFX Series Specifications

General

Category	Switch
Series	QFX
Form Factor	1U, 2U, and modular chassis options
Power Supply	Redundant, hot-swappable power supplies
Cooling	hot-swappable fans
Virtual Chassis	Supported on certain models
Typical Use	Data center, cloud
Operating System	Junos OS
Management	CLI
Key Features	High performance, low latency, automation
Latency	Sub-microsecond latency
Port Density	Varies by model (e.g., QFX5100: up to 48x10GbE + 6x40GbE)