Specifications
Chapter 4
4 - 2
LED indicator actions
The behavior, or action, of each of LED indicates the status of the system.
The LED indicator actions are defined in Table 4.2.
Standard operating states
When the unit is in a standard operating state, the LEDs behave in a defined
manner. The standard operating states are defined in Table 4.3.
Action Description
off (none) The LED is not lit and does not display any color.
solid The LED is lit and does not blink.
blinking The LED turns on and off at a regular frequency.
intermittent The LED turns on and off with an irregular frequency
and may sometimes appear solid.
Table 4.2 LED indicator actions
Description Alarm Activity Status
Power is off off/none off/none off/none
Standby mode off/none green intermittent yellow solid
Active mode off/none green intermittent green solid
Booting - BIOS stage yellow solid off/none off/none
Booting - Loader stage yellow solid yellow solid off/none
Booting - Net boot yellow solid green solid yellow solid
Booting - Kernel stage yellow solid yellow intermittent yellow blinking
Table 4.3 Standard operating states of the LEDs