Juniper QFX Series Hardware Guide

Table 10: Chassis Status LEDs on a QFX5110 Switch
DescriptionStateColorName
The switch is halted or there is no alarm.OffUnlitALM–Alarm or beacon
A major hardware fault has occurred, such
as a temperature alarm or power failure,
and the switch has halted. Power off the
QFX5110 by setting the AC power source
outlet to the off (O) position, or
unplugging the AC power cords. Correct
any voltage or site temperature issues,
and allow the switch to cool down. Power
on the QFX5110 and monitor the power
supply and fan LEDs to help determine
where the error is occurring.
On steadilyRed
A minor, non-critical alarm has occurred,
such as a software error. Power off the
QFX5110 by setting the AC power source
outlet to the off (O) position, or
unplugging the AC power cords. Power on
the QFX5110 and monitor the status LEDs
to ensure that Junos OS boots properly.
On steadilyAmber
The switch is powered off or halted.OffUnlitSYS–System
Junos OS for QFX Series is loaded on the
switch.
On steadilyGreen
The switch is participating as:
•
A member in a QFX Virtual Chassis
•
A leaf device in a Virtual Chassis Fabric
(VCF)
•
A spine device in a VCF
•
A Routing Engine Master in a VCF
•
A Routing Engine Backup in a VCF
BlinkingGreen
The switch is a line card member in a QFX
Virtual Chassis.
OffUnlitMST–Master in a QFX Virtual
Chassis or Routing Engine
Master in a VCF
The switch is one of the following:
•
A standalone switch
•
In the master role in a QFX Virtual
Chassis
•
Is the routing engine master in a VCF
On steadilyGreen
The switch is the backup master in a QFX
Virtual Chassis or the backup routing
engine in a VCF.
BlinkingGreen
Copyright © 2019, Juniper Networks, Inc.38
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)