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11: Worldwide Green IT Case Studies 189

■ Target a PUE of 1.5.
■ Implement low- and high-density zones and a dedicated and isolated tech-
nical area, and implement Schneider APC solution for high-density zones.
■ Use latest technology for CRAC (variable speed), implement water cool-
ing, and use a rear-door heat exchanger.
■ Use one supervision solution for facility, infrastructure, and IT resources.

Figure 11.2 shows the implementation of the data center with the
resources hosted.

Low Density High Density

Screens
Biometric
Lab

ptg

Supervision Center

Technical Area
Source: IBM Montpelier PSSC Green Data Center Team
Figure 11.2 Montpelier PSSC Green Data Center area implementation

Innovation for Green IT—Local or Remote Access to the
Supervision Room

The PSSC green data center has several very innovative features. Included
is a web camera showing the implemented technologies. In addition, there is
a “live camera” to track people and assets. The live camera is described in the
following section with a graphic showing the camera setup.