Reference Guide

14 Unmanaged Switches System Information Guide
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For –48 volt-direct-current (VDC) powered systems, the following set of
standards applies. See the "Declaration of Conformity" to determine
whether a particular system meets EN 50082-1 or EN 50082-2
requirements.
Set 2: For –48-VDC powered systems
• EN 55022 — "Information Technology Equipment — Radio
Disturbance Characteristics — Limits and Methods of Measurement."
• EN 50082-1 — "Electromagnetic Compatibility - Generic Immunity
Standard - Part 1: Residential, Commercial and Light Industry."
• EN 50082-2 — "Electromagnetic Compatibility - Generic Immunity
Standard - Part 2: Industrial Environment."
• 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 a
domestic environment this product may cause radio frequency (RF)
interference, in which case the user may be required to take adequate
measures.
A "Declaration of Conformity" in accordance with the preceding directives
and standards has been made and is on file at Dell Computer Corporation
Products Europe BV, Limerick, Ireland.