January 2002
Intermediate to advanced
224 pages
5h 11m
English
Content preview from Enterprise Data Center Design and Methodology
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Signal Reference Grid
A Signal Reference Grid (SRG) is a means to reduce high-frequency impedance (also called noise) so that a device or outlet has the lowest impedance path to earth ground. This grid has multiple paths to ground to ensure that grounding loops do not develop.
The SRG should be designed for the data center. This provides an equal potential plane of reference over a broad band of frequencies through the use of a network of low-impedance conductors installed throughout the facility. The following figure shows part of an SRG in a blueprint detail.
Figure 7-3. Blueprint Plan of a Signal Reference Grid
Recommended Practices
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