Cisco MDS 9148T Hardware Installation Manual page 17

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