Opinion on connection of FDAS to Alarm Receiving Station

In response to a number of queries I have received on this subject, my opinion is as follows: The current standard I.S.3218:2024 is quite specific. Clause 6.9 is a ‘shall’ condition that the link must be I.S.EN54-21 compliant. I am not aware of an intruder device having such a link. Essentially this means that where […]