Alarm systems. Alarm transmission systems and equipment - Requirements for systems with voice communicators using the public switched telephone networkAlarm systems Alarm transmission systems and equipment Part 1 4: Requirements for systems with voice communicators using the public switched telephone network Executive summary Requirements for alarm systems with voice communicators using the public switched telephone network. Abstract This European Standard specifies the requirements for voice communicator systems utilizing the public switched telephone network which are in addition to those

Patient environment

other than blood specimens

is supplemented by Annex A

This European Standard applies to alarm systems for all types of passenger and goods passenger lifts

Such services include normal subscriber telephone line from the supervised premises to the local exchange

Computer software

changing units

for some applications the recommendations of use of a product may differ and therefore additional test conditions need to be used

ISO 965-2:1980

with an interest in knowledge management

Managers of organizations

BS EN 755-2:2008 Aluminium and aluminium alloys