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Enterprise Data Center Design and Methodology by Rob Snevely

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Electromagnetic Compatibility

Electromagnetic interference (EMI) and radio frequency interference (RFI) is radiated and conducted energy from electrical devices that produce electromagnetic fields. The electrical noise currents associated with these can interfere with the signals carried by the electronic components and the cabling of equipment.

Sources of EMI and RFI can be inside or outside the data center environment. Common external sources are airports, telecommunications or satellite centers, and similar facilities. Internal sources include the hardware itself. Sun equipment is tolerant of most common EMI/RFI levels. If high levels are suspected, a study should be conducted to determine whether shielding or other remedial actions are necessary. ...

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