Sun Microsystems 4000, 5000, 6000 manual 6Key Switch Positions and AC Power Switch

3

Legend:

Standby = OFF; no DC power On = Normal power ON

Diagnostics = Normal power ON with full diagnostics

Locked = Normal power ON in secure mode

On

Diagnostics

Standby

Locked

AC connector

AC power switch

Figure 3-6Key Switch Positions and AC Power Switch

•The fans in the power supplies begin turning.

•The top front panel LED (green) turns on immediately denoting the power supply is delivering DC power.

•The middle front panel LED (yellow) flashes while POST runs for approximately 60 seconds. After 60 seconds, this LED turns off if the tests pass. If the LED remains lighted after 60 seconds, a test has failed.

•The bottom front panel LED (green) flashes to show that booting is successful and the operating system is running. If this LED fails to turn on and the middle LED is on, a severe hardware fault exists.

Warning – Never move the system when the power is on. Failure to heed this

!warning may result in catastrophic disk drive failure. Always power the system off before moving it.

Powering the System On and Off 3-11