Unit Identification Led - Nvidia Spectrum-3 SN4000 Series Hardware User Manual

*The figure is provided for Illustration purposes only. The design may slightly vary in different
systems.
Power Supply Unit Status Front LED Assignments
LED Behavior
Solid Green
Solid Amber
Power Supply Unit Status Rear LED Assignments
LED
Behavior
Solid Green The PSU is running normally.
Flashing
Green 1Hz AC Present, Standby – On, Main Output -
Off
Flashing PSU warning - events where the PSU
Amber 1Hz continues to operate
Solid Amber PSU failure (voltage, current, temperature
or fan related issue)
Off No AC power to all power supplies.

Unit Identification LED

The UID LED is a debug feature, that the user can use to find a particular system within a cluster by
turning on the UID blue LED.
To activate the UID LED on a switch system, run:
switch (config) # led MGMT uid on
To verify the LED status, run:
Description
All power supply units are connected and
running normally.
One or both of the power supplies are not
operational or not powered up/ the power
cord is disconnected.
Description
Action Required
N/A
Make sure the power cord is plugged in
and active. If the problem resumes,
refer to Troubleshooting
instructions.
Action Required
N/A
Refer to Troubleshooting. For further assistance,
call your NVIDIA representative.
Plug in the AC cor
for further
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