Power Supplies; X3690 X5 Power Subsystem - IBM System x3850 X5 Implementation Manual

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4.12 Power supplies

This section covers the power subsystem of the x3690 X5 and the MAX5.

4.12.1 x3690 X5 power subsystem

The x3690 X5 power subsystem consists of up to four hot-pluggable 675W auto-sensing
power supplies. The modules are independently powered by ac line cords.
Most standard models have one power supply as standard; workload-optimized models have
more. See 4.3, "Models" on page 124 for details. One power supply is sufficient when the total
power budget is less than 675W. Use the IBM System x and BladeCenter Power Configurator
to determine the power requirements of your configuration:
http://www.ibm.com/systems/bladecenter/resources/powerconfig.html
For power budgets under 675W, installing a second power supply provides redundancy. To
install a second power supply, use the IBM High Efficiency 675W Power Supply, part number
60Y0332, feature code 4782.
Installing four power supplies ensures redundancy even with a fully loaded server. To install
the third and fourth power supplies, use the IBM 675W Redundant Power Supply Kit, part
number 60Y0327. The power subsystem is designed for N+N operation and hot-swap
exchange. Having four power supplies installed allows for N+N redundancy, where N=2 (that
is, a total of four power supplies where two power supplies are redundant backups for the
other two).
Table 4-36 shows the part numbers for the power supply options.
Table 4-36 IBM 675W Redundant Power Supply Kit for x3690 X5
Option
60Y0332
60Y0327
a. Use 4782 for the power supplies, 9279 for the power supply interposer, and 6406 for the
Y-cable.
The IBM 675W Redundant Power Supply Kit, option 60Y0327, includes the following items:
Two 675W power supplies
Two Y-cord power cables (2.8 m, 10A/200-250V, 2xC13 to IEC 320-C14)
Two power cables (2.8 m, 10A/100-250V, C13 to IEC 320-C14)
One power interposer card
The Redundant Power Supply Kit includes a power supply interposer (power backplane). The
interposer
system planar.
Table 4-37 on page 174 lists the ac power input requirements.
Feature code Description
4782 IBM High Efficiency 675W Power Supply
a
Various IBM 675W Redundant Power Supply Kit
is a small circuit board that routes power from the power supply outputs to the
Use
Power supply 2
Power supply 3 and 4
Chapter 4. IBM System x3690 X5
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