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ONORM EN 54-21:2006
Fire detection and fire alarm systems - Part 21: Alarm transmission and fault warning routing equipment (Austrian Standard)
This European Standard specifies requirements, test methods and performance criteria against which the effectiveness and reliability of routing equipment capable of transmitting fire alarm and/or fault warning signals for use with fire detection and fire alarm systems installed in buildings can be assessed (see EN 54-1). The routing equipment is designed to allow the system to function in accordance with the requirements of this European Standard. It also provides for the evaluation of conformity of the equipment to the requirements of this standard. The releationship with the EU Construction Doirective ist given in Annex ZA.
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Austrian Standards Institute [on]
Austrian Standards Institute [on]