Ruijie Networks RG-S2910C-24GT2XS-P-E Hardware Installation And Reference Manual page 30

LEDs
LED
System status LED
Panel Identification
Status
State Meaning
Off The switch is not receiving power.
The system is being initialized.
Blinking green
Continuous blinking indicates errors.
Solid green The switch is operational.
Temperature warning
Solid yellow
Check the working environment of the switch
immediately.
Solid red The switch is faulty.