Fujitsu PRIMERGY TX2550 M5 Upgrade And Maintenance Manual page 144

Power supply unit (PSU)
PSU configurations
Figure 60: Example: types of PSUs
Power class
1
2
3
4
All different PSUs can be installed, removed or replaced in the same
way.
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.
144
Number in figure Power
1
2
3
4
Upgrade and Maintenance Manual
450 W AC
800 W AC
800 W AC
1200 W AC
Item
Platinum
Platinum
Titanium
Platinum
TX2550 M5