MAXDATA QutePC?1000 Betriebsanweisung Seite 27

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26 System Description
27MAXDATA PLATINUM 90002R Server System
NOTES
Do not attempt to operate this system with less than a fully populated, six system fan
conguration.
To maintain adequate cooling for system components, the swap process must be completed in
two-minutes. This period only applies to the time that the fan or power supply is removed from the
system, not from the time of failure.
A system fan failure is indicated by the corresponding fan LED and by the Cooling Fault LED on the
front panel. The system fan LEDs are shown in the gure below. The LED is amber and turns on if
a system fan failure occurs. These LEDs can be seen only when the top cover is removed from the
chassis.

Figure 15. System Fan Status LED
A. Fan LEDs (two of six pointed out)
Power Subsystem
Power Supply Modules
The power supply modules are Server System Infrastructure (SSI) compliant, universal AC input with
Power Factor Correction (PFC) Thin Power Supplies (TPS). The power supply modules are auto-sens
over the input range of 200-240 VAC and 100-127 VAC. They are rated at 350 W each. The combined
continuous output power for all outputs has been designed such that they will not exceed 650W.
The DC output specication for the power supply is met by two power supply modules operating
in the power bay. A third power module can be inserted to enable redundancy. When operated in
parallel, the power modules share the total load currents equally within the limits specied, and meet
all performance requirements. Two power supply modules are capable of handling the worst-case
power requirements for a fully congured system: Two processors, 16 GB of memory, three PCI-X
add-in cards, two hard drives and a DVD or CD drive.
In the unlikely event that a power module fails in a redundantly paralleled group, or upon the removal
of an operational or failed supply from a redundantly paralleled group, the action will not cause DC
output transients in excess of specied limits. Conversely, adding an operational or failed supply to a
paralleled group will not cause DC output transients in excess of the limits specied.
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