Assembled below are links to source documents and confirmation videos of a serous issue recently identified within Single Data-Bus security/fire control panels. These links are within the public domain and are directly from the 17 October 2019 edition of Security Dealer Magazine article on this matter. A complaint regarding the identified issues have been formally filed with UL (Underwriters Laboratory) and notification made to the United States Product Safety Commission after UL failed to respond within the mandatory 45-day window.
Single Data-Bus capabilities are the predominant architecture within all entry level and many medium priced hardwired & hybrid control panels fielded within the United States and around the globe. Tens of millions of systems are at risk. The breaking news article as well as source documents pertaining to the actual complaints follow:
Security Dealer Magazine Article Link Regarding Single Data-Bus Issues:
Related video links demonstrating Single Data-Bus Failures per specific applicable code:
Security Systems Inc. will update this Additional Resources section of our webpage as responses and or determinations from the regulating bodies are made public.