Sun Microsystems 6500 Installation Manual page 56

FIGURE 3-5
TABLE 3-3
Position
Standby
On
Diagnostics
Locked
1. Full power on self-test verbose.
4. Turn the AC power switch (
5. Turn the key switch (
You should see and hear several things happen:
3-10 Sun Enterprise 6500/5500/4500 Systems Installation Guide • August 2001
Front view
Key Switch on the Enterprise 4500
Key Switch Positions
Function
Off, no DC power
Normal power on
Normal power on, with full diagnostics
Normal power on, in secure mode
FIGURE 3-5
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.
On
Standby
) to On.
FIGURE 3-6
) to the On position.
Diagnostics
Locked
1