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ESAT Telecommunications designed and constructed a new Internet Gateway facility in Dublin, Ireland. The critical facility had to be fault tolerant. This raised the possibility that extensive rotary and motor generator electrical power back up equipment would emit levels of magnetic fields sufficient to cause interference with critical computer equipment located in the adjacent Network Operations Center (NOC).
ESAT subsequently commissioned FMS to conduct an extensive assessment of the building’s electrical facilities for potential interference concerns, since Information Technology (IT) equipment planned for installation in the NOC, had to meet European Union mandatory immunity levels of 1 A/m (12.6 mG) to comply with an EMC Directive. Magnetic field emission measurements documented at a site with equipment similar to electrical facilities planned for the ESAT building and computer simulations, predicted levels in areas of the NOC room would exceed 100 mG. ESAT requested that FMS develop and implement measures to mitigate the elevated magnetic fields and consequent interference conditions in the NOC, to within EU standards.
To ensure electromagnetic compatibility in the environment with the EU telecommunications equipment specifications, FMS designed and installed a magnetic field shielding system to accomplish reductions of predicted elevated magnetic field levels in the NOC room, to less than 5 mG.
Over its 20 years, FMS has successfully completed hundreds of EMI projects which included a diverse range of consulting and mitigation services.