This standard was last reviewed* in 2009.
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.
Document published on: 2005-07-01 Edition: 1 (Monolingual) ICS: 13.220.20 Status: Published Stage: 90.92 (2015-07-07) TC/SC: ISO/TC 21/SC 3 Number of Pages: 26
Revised by: ISO/NP 7240-21
No corrigenda or amendments available