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Power Distribution
Error Condition Reporting
6–10 UltraSCSI RAID Enclosure
•
Failure of the ac power source for bus B and one power supply on
bus A
•
Failure of the ac power source on bus A and one power supply on
bus B
•
Failure of the ac input box on bus B and one power supply on
bus A
•
Failure of the ac input box on bus A and one power supply on
bus B
This section describes the power supply and ac input box error
condition reporting.
Power Supply
The two green LEDs on each power supply (see Figure 6–7) display
the blower, the power bus, and the individual power supply status.
Normally, both of these LEDs are O
Figure 6–7 Power Supply Status LEDs
1
2
The green shelf status LED (C
supplies and all the blowers are operational. If any blower or power
supply fails, this LED turns O
.
N
Figure C
ALLOUTS
1.
Shelf status LED
2.
Power supply status LED
CXO4787B
1) is O
when all the power
ALLOUT
N
.
FF
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