PowerConnect System Infor mation Guide 17Most Dell computer systems are classified for Class B environments.However, the inclusion of certain options can change the rating of someconfigurations to Class A. To determine the electromagnetic classificationfor your system or device, refer to the following sections specific for eachregulatory agency. Each section provides country-specific EMC/EMI orproduct safety information.CE Notice (European Union)Marking by the symbol indicates compliance of this Dell computer tothe EMC Directive and the Low Voltage Directive of the European Union.Such marking is indicative that this Dell system meets the followingtechnical standards:• EN 55022 — "Information Technology Equipment — RadioDisturbance Characteristics — Limits and Methods of Measurement."• EN 55024 — "Information Technology Equipment - ImmunityCharacteristics - Limits and Methods of Measurement."• EN 61000-3-2 — "Electromagnetic Compatibility (EMC) - Part 3:Limits - Section 2: Limits for Harmonic Current Emissions(Equipment Input Current Up to and Including 16 A Per Phase)."• EN 61000-3-3 — "Electromagnetic Compatibility (EMC) - Part 3:Limits - Section 3: Limitation of Voltage Fluctuations and Flicker inLow-Voltage Supply Systems for Equipment With Rated Current Upto and Including 16 A."• EN 60950 — "Safety of Information Technology Equipment."NOTE: EN 55022 emissions requirements provide for two classifications:• Class A is for typical commercial areas.• Class B is for typical domestic areas.RF INTERFERENCE WARNING: This is a Class A product. In adomestic environment this product may cause radio frequency (RF)interference, in which case the user may be required to take adequatemeasures.A "Declaration of Conformity" in accordance with the preceding directivesand standards has been made and is on file at Dell Computer CorporationProducts Europe BV, Limerick, Ireland.