S17 - Intrusion and hold-up alarm systems: guidance on event handling

  • 12 Dec 2011
  • Security and arson prevention

At a premises supervised by remotely monitored intrusion and hold-up alarm systems (I&HAS), various activations/conditions/changes of state (‘events’) recognised by such systems and/or their connected alarm transmission system (ATS) are likely to be fundamental to the security of those premises.