General Equipping Rules; Installing The Power Supply Module - Fujitsu PRIMERGY CX400 S1 Upgrade And Maintenance Manual

Power supply
Some configurations need two PSUs for normal operation. In this configurations
a redundancy is not possible even if two PSUs are built-in. In this configurations,
if one PSU failed, system can continue to work. but it goes to a throttling mode
and it affects performance until replacement of the PSU.
6.1.1

General equipping rules

Figure 44: Population rules for the power supply modules
1 Power supply module bay 1 (top)
2 Power supply module bay 2 (bottom)
Both power supply modules must be of the same type.
6.2

Installing the power supply module

Customer Replaceable Units (CRU)
80 Upgrade and Maintenance Manual
CX400 S1