State
Status
Color
Function
Location
Indicator
All diagnostics have passed,
Cisco NX-OS is running
and the system is
operational.
Solid On
Green
System Status
Front panel of
the chassis
Status LED
Any of the following
conditions exists:
• The system is running
bootup diagnostics.
• The system is booting.
• A minor temperature
threshold is exceeded.
Solid On
Orange
Mismatched airflow
direction observed in one of
the following modules:
• Fan modules—The
switch will go down in
10-15 seconds.
• PSUs—The switch
will go down after 10
minutes.
• Fan modules and
PSUs—The switch
will go down after 10
minutes.
Blinking
Red
One of the following
conditions exists:
• A diagnostic test failed
or another fault
occurred during
bootup.
• A major temperature
threshold is exceeded.
Solid On
All fan modules are
operational.
Solid on
Green
Fan health
Front panel of
the chassis
Fan status
Fan failure.
Solid on
Red
Cisco MDS 9148T 32-Gbps 48-Port Fibre Channel Switch Hardware Installation Guide
11
Overview of Cisco MDS 9148T Fibre Channel Switch
LEDs