Front Panel Indicators; System Led; Power Led - Dell PowerConnect 3048 User Manual

22 Introduction

Front Panel Indicators

The front panel of the system contains all of the Ethernet ports and LEDs.
As shown in the following figure, there is one system LED, one redundant
power supply (RPS) LED, one diagnostic LED, and one LED for each port
on the front panel.

System LED

An LED is used to show the general operating status of the system. The power
and diagnostic LEDs show the following indications:
• Power
– Off — The system is not powered up.
– Green — Main power is functional.
• Diagnostic
– Off — The system is not powered up.
– Green — The unit is operating after a successful boot up.
– Amber — The unit is in boot mode.
– Blinking Amber — The unit fails to boot.

Power LED

The power LED shows the general operating status of the system as
reflected by the following indicators:
• Off — The unit is off.
• Green — The unit is on and ready for operation.
• Yellow — The unit is in boot mode.
• Blinking Yellow — The unit fails during initialization.
The normal sequence after power-on or system reset is Green (initialization
success), Yellow (booting applications), and Green again (system ready).