Status And Port Leds; Led Notifications; System Status Led - Nvidia Spectrum-3 SN4000 Series Hardware User Manual

When using an NVIDIA Onyx (MLNX-OS) based system, keeping the reset button pressed for more
than 15 seconds will reset the system and the "admin" password, this should allow you to login
without a password and set a new password for the "admin" user.
For Cumulus Linux password reset instructions, please refer to the Single User Mode - Boot
Recovery section in the Cumulus Linux User

Status and Port LEDs

See LED Notifications.

LED Notifications

The system's LEDs are an important tool for hardware event notification and troubleshooting.
LED Symbols
Symbol

System Status LED

Fan Status LED
Power Supply Units LEDs
Unit Identifier LED
System Status LED
The LED in the red oval shows the system's status.
Guide.
Name
Shows the health of the system.
Shows the health of the fans.
Shows the health of the power
supply units.
Lights up on command through
the CLI.
Description Normal Conditions
Green/Flashing green when
booting
Green
Green
Off or blue when activated by
the user
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