Lenovo System x3950 X6, Planning Manual

Page: 80 / 104

.
900W & 1400W PSU Combination Configuration Diagrams
The 900W and 1400W combination power supply configuration is covered in the
following section for both North America and International connection to supported
PDUs. AC source redundancy, power supply redundancy and non-redundant
scenarios are covered. For the following figures, the following applies:
 N+N refers to AC source redundancy.

N+1 refers to power supply redundancy.
 N refers to the system having enough power supplies to support the
configuration budget and all supplies are connected to the same AC source.
Refer to the Reference Material on page 96 for additional clarification on N+N, N+1
and N configurations.
80