Published
ISO 7240-21:2005 specifies requirements, methods of test, and performance criteria for fire-alarm routing (transmitting) equipment and for fault (trouble) warning routing equipment for use in fire detection and fire alarm systems installed in buildings.
PUBLISHED
ISO 7240-21:2005
90.93
Standard confirmed
Sep 15, 2025
ABANDON
ISO/NP 7240-21
Fire detection and alarm systems — Part 21: Routing equipment
60.60 Standard published