Fujitsu BX600 S2 User Manual

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PRIMERGY BX600 S2 Basic Unit
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14
Power Supply Concept
In the basic configuration, the PRIMERGY BX600 S2 base unit contains two hot 
swap power supply units (PSU1 and PSU2 in 
). The power supply units 
adapt automatically to any voltage within the range 200 V - 240 V. 
Figure 88: PRIMERGY BX600 S2 basic unit: power supply units
To provide a redundant power supply, a third or fourth power supply unit can be 
installed (PSU3 and PSU4 in 
). 
If one of the four power units fails, the other two/three units will ensure the unit 
continues to operate normally. The defective power supply unit can be replaced 
while the unit is still running (hot swap). 
I
Please make sure that each of the power supply units is connected to a 
different phase. This will provide you with additional phase redundancy 
for high availability configurations. If one phase has failed, the power 
supply units connected to the other phases keep active. You can get full 
phase redundancy with up to three power supply units. With four power 
supply units, two of them are to be connected to one phase (see also 
PSU1
PSU2
PSU4
PSU3