‘Open’ indicates the alarm is disarmed with the business being ‘open’ for the day. ‘Close’ indicates the alarm system is armed. Someone entering in must either disarm the system or the alarm system will be triggered. Authorities will be contacted for dispatch. If the person disarming the system is outside of pre-determined hour schedule, a […]

UL Certification of Fire Alarm Central Station vs Remote Station Service. The differences between them are: the level of service required by the alarm company to ensure the system is back in service. In the event of a fire the system must be operating. I have seen alarm keypads registering “TROUBLE CONDITION”  within restaurants or […]

Below are different devices to attempt to detect glass breakage by intruders. Originally, there was window ‘foil’ or silver tape. This tape was virgin lead. To apply it, one would initially put down a ‘track’ of clear spar varnish, wait for it to become tacky and then, while slightly stretching the lead foil, apply this […]

Jade Alarm’s True Digital Radio Network is the most reliable and durable method of communication for your Security and Life-Safety needs. In the 1970’s the alarm ’dialing’ equipment with the ability to indicate in what area an intrusion or fire was occurring came into being and now is being replaced with other methods such as […]

Fire alarm systems are at least an order of magnitude more challenging to understand than homeowner-type smoke alarms, even if individual smoke alarms within the home are wired together to work in concert. Fire alarm work must not be taken for granted because if a system should fail to respond to a smoke or heat […]