Dell S4820T Specifications download pdf (Page 15)

Hardware Overview 9

Table 1

lists the LED definitions for the S4820T system.

NOTE: The system temperature threshold is 75°C. When one of the thermal

sensors exceeds this temperature, the TEMP LED turns RED.

Table 1. System LED Displays

Feature Detailed Description Comment

System LED

• Solid blue

–

Normal

Operation

• Blinking blue

–

Booting

•Solid red

–

Critical system

error

• Blinking red

–

Non-

critical system error (fan

fail, power supply fail)

I/O side

TEMP LED

•

Off: Normal temperature

•

Solid red –Overtemp

(Refer NOTE:)

PSU side

DIAG LED

•

Off –Normal operating

•

Solid green –System

Booting or Diagnostics

PSU side

FAN LED

•

Solid green –fan powered

and running at the

expected rpm

•

Solid red –fan failed

PSU side

STACK LED

•

Solid blue –Switch in

stacking master mode

•

Solid green–Switch in

stacking slave mode

•

Off – Switch in stand

alone mode

PSU side

LOCATOR LED

•

Blinking blue – locator

function is enabled

•

Solid blue – locator

function is disabled

PSU side

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Dell S4820T Specifications Page 15

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