This European Standard specifies the requirements for equipment installed in audio and video door-entry systems. This European Standard is not applicable to security systems, anti-theft, anti-attack devices and CCTV surveillance systems, and access control systems for use in security applications. This European Standard sets out the following system requirements: –safety and electromagnetic compatibility (EMC) compliance; –audio specifications; –video specifications; –environmental conditions; –vandal resistance. Devices integrated into other systems shall also comply with the requirements of those systems (e.g. telephone system or alarm systems).