From left to right, system status LEDs operate as described in the following table.
TABLE A-1 System Status LEDs
Name | Description |
|
|
Locator | This white LED is lit by Sun Management Center or ALOM |
| software, or by Solaris command, to locate a system. |
Service Required | This amber LED lights to indicate that the system hardware |
| or software has detected a system fault. |
System Activity | This green LED lights when the AC power is available and |
| the operating system is running. |
|
|
The following table describes the power supply LEDs.
TABLE A-2 Power Supply LEDs
Name | Description |
|
|
This blue LED lights when it is safe to remove the power | |
| supply from the system. |
Service Required | This amber LED lights when the power supply’s internal |
| circuitry detects a fault in the monitored power supply. Note |
| that the Service Required LEDs on the front and back panels |
| also light when this occurs. |
Power OK | This green LED lights when the power supply is on and |
| outputting regulated power within specified limits. |
Standby Available | This green LED lights when a proper AC voltage source is |
| input to the power supply. |
|
|
The following table describes the disk drive LEDs.
TABLE A-3 Hard Disk Drive LEDs
Name | Description |
|
|
This blue LED lights when it is safe to remove the hard disk | |
| drive from the system. |
Service Required | Reserved for future use. |
Activity | This green LED lights when a disk is present in the monitored |
| drive slot. This LED blinks slowly to indicate that the drive is |
| spinning up or down, and quickly to indicate disk activity. |
|
|
