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
Summary of Contents for Force10 S4820T System
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