Users Guide

Hardware Overview 119
System LEDs
The system LEDs, located on the front panel, provide information about the
power supplies, thermal conditions, and diagnostics.
Table 3-25 shows the System LED definitions for the Dell EMC Networking
N1100-ON switches.
Table 3-5. System LED Definitions
LED Color Definition
Status Solid green Normal operation.
Blinking green The switch is booting
Solid amber A critical system error has occurred.
Blinking amber A noncritical system error occurred (fan or
power supply failure).
Power Off There is no power or the switch has experienced
a power failure.
Solid green Power to the switch is on.
Solid green POST is in progress.
Master Off The switch is not in master mode.
Solid green The switch is master for the stack.
Temp Solid green The switch is operating below the threshold
temperature.
Solid red The switch temperature exceeds the threshold
limit, or there is a fan failure (if fan-equipped).
System Locator
LED
Blinking blue The locator LED has been activated to locate
the physical switch.
Off The beacon LED is idle.