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Power supply unit (PSU)
6.1.1
PSU configurations
Figure 60: Example types of PSUs
Power class
Number in figure Power
1
2
3
4
I
All different PSUs can be installed, removed or replaced in the same way.
6.1.2
Assembly rules
– Mixed assembly of PSUs from different power classes (e.g. class 1 or class
2) within a system is not supported.
– Mixing of Platinum and Titanium PSUs within same class (e.g. class 2) within
a system is not supported.
– Mixing of Platinum PSUs within same class and different manufacturer (e.g.
class 1) within a system is supported.
– Always install a dummy cover into an unused PSU bay to comply with
applicable EMC regulations and satisfy cooling requirements.
– For a redundant power supply configuration you need always two PSUs with
the same power class.
138
1
450 W AC
2
800 W AC
3
800 W AC
5
1200 W AC Platinum
Upgrade and Maintenance Manual
Item
Platinum
Platinum
Titanium
TX2550 M4
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