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"Bezel Server Status Indicators" on page 33
■
"Alarm Status Indicators" on page 35
■
"Controlling the Locator LED" on page 37
■
Interpreting System LEDs
The behavior of LEDs on the Sun Netra T5440 server conform to the American
National Standards Institute (ANSI) Status Indicator Standard (SIS). These standard
LED behaviors are described in
TABLE 2-1
LED Behavior
Off
Steady on
Standby blink
Slow blink
Fast blink
Feedback flash
The system LEDs have assigned meanings, described in
System LED Behaviors With Assigned Meanings
TABLE 2-2
Color
Behavior
White
Off
Fast blink
Blue
Off
Steady on
Yellow/amber
Off
32
Sun Netra T5440 Server Administration Guide • April 2010
TABLE 2-1
Standard LED Behaviors and Values
Meaning
The condition represented by the color is not true.
The condition represented by the color is true.
The system is functioning at a minimal level and ready to resume full
function.
Transitory activity or new activity represented by the color is taking
place.
Attention is required.
Activity is taking place commensurate with the flash rate (such as
disk drive activity).
Definition
Steady state
4-Hz repeating
sequence, equal
intervals On and
Off.
Steady state
Steady state
Steady state
.
Description
This indicator helps you to locate a particular
enclosure, board, or subsystem.
Example: the Locator LED.
If blue is on, a service action can be performed on the
applicable component with no adverse consequences.
Example: the OK-to-Remove LED.
.
TABLE 2-2
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