Juniper QFX5110, Hardware Manual

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Table 11: Chassis Status LEDs on a QFX5110 Switch
Description State Color Name
The switch is halted or there is no alarm. Off Unlit ALM–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 steadily Red
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 steadily Amber
The switch is powered off or halted. Off Unlit SYS–System
Junos OS for QFX Series is loaded on the
switch. On steadily Green
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
Blinking Green
The switch is a line card member in a QFX
Virtual Chassis. Off Unlit MST–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 steadily Green
The switch is the backup master in a QFX
Virtual Chassis or the backup routing
engine in a VCF. Blinking Green
Copyright © 2017, Juniper Networks, Inc. 22
QFX5110 Switch Hardware Guide