LED Behavior Description Action Required
Flashing Amber Power supply warning events where the
power supply continues to operate; high
temp, high power, high current, slow fan.
Call your NVIDIA representative for
assistance.
Off No AC power to all power supplies. Call your NVIDIA representative for
assistance.
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:
switch (config) # show leds
Module LED Status
--------------------------------------------------------------------------
MGMT UID Blues
To deactivate the UID LED on a switch system, run:
switch (config) # led MGMT uid off
Bad Port LED
The Bad Port LED indicator is used to indicate symbol errors in one or more system ports.
Bad Port LED Assignments
LED Behavior Description Action Required
Off No symbol errors have been received in
last few seconds (normal condition).
N/A
Flashing Amber
Error, one or more ports have received
symbol errors.
Possible causes are:
• Bad cable
• Bad connection
• Bad connector
Check symbol error counters on the
system UI to identify the ports.
Replace the cable on these ports.
The table above (Power Supply Unit Status Rear LED Assignments) does not apply to the
SN2100/SN2010 systems.
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