24

1 System tour

Control panel LED indicators

The following table list and describe the LED indicators available on the mini or optional standard control panel.

Indicator

Color

State

Description

 

 

 

 

LAN1/LAN2

Green

On

Link between system and network

activity

 

 

 

 

 

 

indicator

 

Blink

Network access

 

 

 

 

Power/Sleep

Green

Off

System is not powered on or ACPI S4

indicator

 

 

or S5 state

 

 

 

 

 

 

On

System has power applied to it or ACPI

 

 

 

S0 state

 

 

 

 

 

 

Blink

System is in ACPI S1 state (sleep mode)

 

 

 

 

HDD activity

Green

Random

HDD is active

indicator

 

blink

 

 

 

 

 

 

 

Off

No HDD activity

 

 

 

 

System ID

Blue

On

System identification is active

indicator

 

 

 

 

Off

System identification is disabled

 

 

 

 

 

 

System

Green/

Alternating

Pre DC power on - 30-35 second BMC

status

Amber

blink

initialization when AC power is

indicator

 

 

applied to the system

 

 

 

 

 

Green

On

Running or normal operation

 

 

 

 

 

 

Blink

System degraded

 

 

 

 

 

Amber

On

Critical or non-recoverable condition

 

 

 

 

 

 

Blink

Non-critical condition

 

 

 

 

 

Off

 

POST or system stop

 

 

 

 

Page 34
Image 34
Acer Altos R520 manual Control panel LED indicators, Indicator Color State Description