Fire detection and fire alarm systems - Part 21: Alarm transmission and fault warning routing equipment.
STANDARD published on 1.8.2006
Designation standards: DIN EN 54-21:2006-08
Publication date standards: 1.8.2006
The number of pages: 35
Approximate weight : 105 g (0.23 lbs)
Country: German technical standard
Category: Technical standards DIN
Brandmeldeanlagen - Teil 21: Übertragungseinrichtungen für Brand- und Störungsmeldungen.