Users Guide

Table Of Contents
126 Hardware Overview
System LEDs
The system LEDs, located on the front panel, provide information about the
power supplies, thermal conditions, and diagnostics.
Table 3-10 shows the System LED definitions for the Dell EMC Networking
N1500 Series switches.
Table 3-10. System LED Definitions
LED Color Definition
Status Solid green Normal operation.
Blinking green The switch is booting
Solid red A critical system error has occurred.
Blinking red 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.
Blinking green The switch locator function is enabled.
RPS (on non-PoE
switches)
Off There is no redundant power supply (RPS).
Solid green Power to the RPS is on.
Solid red An RPS is detected but it is not receiving power.
EPS (on PoE
switches)
Off There is no external power supply (EPS).
Solid green Power to the EPS is on.
Solid red An EPS is detected but it is not receiving power.
Fan Solid green The fan is powered and is operating at the
expected RPM.
Solid red A fan failure has occurred.
Management
Unit in Stack
Off The switch is not the management unit in the
stack.
Solid green The switch is primary for the stack.