Dell PowerEdge M420 Configuration Manual page 94

Table 3-8 contains the status LED definitions for the PowerConnect M8024
and M8024-k switches.
Table 3-8. PCM8024 and PCM8024-k Power and Status LED Definitions
LED Color
Green
Off
Blue
Off
Amber
94
Hardware Overview
Definition
Power is being supplied to the switch.
The switch does not have power.
The switch is operating normally.
The switch is powered off.
A fault has occurred, or the switch is currently booting.