MAXDATA QutePC?1000 Guia do Utilizador Página 20

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20 System Description
21MAXDATA PLATINUM 90002R Server System
Power Supply Bay
The power supply bay, shown below, is located in the lower front of the system. Redundant power
status LED indicators are in the left portion of the power bay and three hot-swap power supply modules
dock into the three bays on the right.

  
  
Figure 8. Power Supply Bay
A. Power status LEDs
B. Power supply modules
The power subsystem can be congured as follows:
Three power supply modules installed, (2+1) redundancy
Two power supply modules installed, non-redundant
NOTE
The power supply modules must be populated from right to left. The left power supply module is
optional in a non-redundant conguration. If no module is installed in the left slot, a ller panel is
required for proper system cooling.
Two power supply modules are capable of handling the worst-case power requirements for a fully
congured server system. This includes two Intel
®
Itanium
®
2 processors, 16 GB of memory, three
PCI add-in cards, two hard drives, and a DVD-ROM / CD-ROM drive.
When the system is congured with three power supply modules, the hot-swap feature allows you
to replace a failed power supply module while the system is running.
The power subsystem receives AC power through two power cords. When three power supply modules
and two power cords are installed, the system supports (1+1) power cord redundancy. This feature
allows the system to be powered by two separate AC sources. In this conguration, the system will
continue to function without interruption if one of the AC sources fails.
The AC power status LEDs in the power supply module provide information on the status of the
power sources. The LEDs are shown below, indicated by the letter “A” in the diagram. The possible
LED states are described below the diagram.
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