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HD 549 S1:1989 Standard

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  Keywords:

#conference #equipment #applies #electrical #requirements

  Directive

Low voltage (LVD) Directive (2014/35/EU)

  Last Official Journal reference

Monday 9th of January 2023

  Description:

Conference systems - Electrical and audio requirements

  Purpose

Applies to conference systems and to parts of which they are composed or which are used as auxiliaries to such systems (headphones, microphones, amplification equipment). Describes the different types of conference systems with both wired and wireless systems, and specifies the basic electrical requirements of audio equipment for conference systems. Prescribes the minimum requirements for conference systems in order to ensure interchangeability and optimum performance under conditions of normal operation.

  Publication

Friday 8th of July 2016

  Related Standards

EN 61557-7:2007

Low voltage (LVD) Directive (2014/35/EU)

Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or mo...

EN 60811-302:2012

Low voltage (LVD) Directive (2014/35/EU)

Electric and optical fibre cables - Test methods for non-metallic materials - Part 302: Electrical tests - Measurement of the d.c....

EN 60730-2-10:2007

Low voltage (LVD) Directive (2014/35/EU)

Automatic electrical controls for household and similar use - Part 2-10: Particular requirements for motor-starting relays

EN 60730-2-11:2008

Low voltage (LVD) Directive (2014/35/EU)

Automatic electrical controls for household and similar use - Part 2-11: Particular requirements for energy regulators

EN 60730-2-12:2006

Low voltage (LVD) Directive (2014/35/EU)

Automatic electrical controls for household and similar use - Part 2-12: Particular requirements for electrically operated door lo...

EN 60730-2-12:2006/A11:2008

Low voltage (LVD) Directive (2014/35/EU)

Automatic electrical controls for household and similar use - Part 2-12: Particular requirements for electrically operated door lo...

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