Sun Microsystems SPARCcenter 2000, Руководство по установке

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Powering the System On and Off 4-7
4
Figure 4-5 System Status LEDs
Table 4-1 summarizes LED status indications.
Table 4-1 LED Status Indicators
LED Location LED Condition
Front Panel Left LED (green) On — DC power supply is receiving AC current.
Off — There is no DC power.
Middle LED
(yellow) On — (first 60 seconds) Self-tests are running.
Off — (after self-tests end) No hardware failures.
On — (after self-tests end) Hardware failure was detected.
Right LED (green) Off — (first 60 seconds) Self-tests are running.
On — (after self-tests end) System is running.
Off — (after self-tests end) System cannot run; repair is needed.
Status LEDs
(yellow, marked 0-7)
on all system boards All boards LEDs cycle on and off in irregular pattern during POST.
If no OBP master has been selected, LEDs will flash on one board after POST.
(The system will pause indefinitely until you make a selection.)
OBP master board After POST ends, LEDs display cyclic pattern.
DC power (green)
Fault (yellow)
System running (green)