Sun Microsystems Netra X4200 M2, Service Manual

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Appendix C Status Indicator LEDs 135
Hard Drive LEDs
The hard drive LEDs (
FIGURE C-4
and
TABLE C-2
) are located on the front of each hard
drive that is installed in the server chassis.
FIGURE C-4
Hard Drive LEDs
Power Supply LEDs
The power supply LEDs (
FIGURE C-2
and
TABLE C-3
) are located on the back of each
power supply.
TABLE C-2
Hard Drive LEDs
LED Color Description
OK to
Remove blue • On – The drive is ready for hot-plug removal.
• Off – Normal operation.
Fault amber • On – The drive has a fault and requires attention.
• Off – Normal operation.
Activity green • On – Drive is receiving power. Solidly lit if drive is idle.
• Flashing – The drive is processing a command.
• Off – Power is off.
TABLE C-3
Power Supply LEDs
LED Color Description
Power OK
green • On – Normal operation. DC output voltage is within normal
limits.
• Off – Power is off.
Fault amber • On – Power supply has detected a failure.
• Off – Normal operation.
Input OK green • On – Normal operation. Input power is within normal limits.
• Off – No input voltage, or input voltage is below limits.
Activity
Fault
OK to Remove