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DGA Security Blog

Our business security and fire systems experts answer the most frequently asked questions, no holds barred. Read on.

Blog Feature

Fire Systems

By: Daniel Torpey
August 31st, 2020

Emergency Control Function Interfaces allow fire alarm systems to communicate with other critical building systems during a fire emergency to ensure the safe evacuation of occupants. 

Blog Feature

Fire Systems

By: Daniel Torpey
August 27th, 2020

Remote annunciators are smaller panels that provide a fire system status and a limited set of functional switches (e.g., acknowledge a signal or silence an alarm).

Blog Feature

Fire Systems

By: Daniel Torpey
August 26th, 2020

This article provides an overview of different types of fire alarm notification devices, which alert the building occupants to evacuate the premises or relocate using both audible and visual alarms when the fire system detects a possible fire. The most common notification devices installed today are strobes, horn strobes, speakers and speaker strobes.

Blog Feature

Fire Systems

By: Daniel Torpey
August 14th, 2020

All commercial fire alarm systems are required to be monitored 24/7 by an outside monitoring center that is equipped to respond to and handle fire alarm events. But what should you look for when selecting a monitoring center (also referred to as a "Central Station") for your fire system? This article explains the important role that monitoring centers play and provides a primer on how to select a qualified monitoring center.

Blog Feature

Fire Systems

By: Daniel Torpey
June 24th, 2020

Supervisory switches are a group of initiating devices that are installed at different parts of the automatic fire sprinkler system and are monitored by the Fire Alarm Control Panel (FACP). Their job is to monitor the sprinkler system to ensure that it’s in proper working condition and to transmit a supervisory signal to the FACP when an issue is detected.

Blog Feature

Fire Systems

By: Daniel Torpey
June 23rd, 2020

This article provides an overview of manual pull stations and waterflow switches, which are both fire alarm initiating devices. We'll explain what they are, how they work and where they are used. In commercial fire alarm systems, initiating devices play a critical role of detecting an active fire and dangerous level of carbon monoxide as well as monitoring the sprinkler system to ensure that it's in proper working condition.

Blog Feature

Fire Systems

By: Daniel Torpey
June 23rd, 2020

This article provides an overview of heat detectors, carbon monoxide (CO) detectors and multi-sensor detectors, which are all fire alarm initiating devices. We'll explain what they are, how they work and where they are used. In commercial fire alarm systems, initiating devices play a critical role of detecting an active fire and dangerous level of carbon monoxide as well as monitoring the sprinkler system to ensure that it's in proper working condition. 

Blog Feature

Fire Systems

By: Daniel Torpey
June 23rd, 2020

This article provides of smoke detectors, duct smoke detectors and beam detectors which are all fire alarm initiating devices. We'll explain what they are, how they work and where they are used. In commercial fire alarm systems, initiating devices play a critical role of detecting an active fire and dangerous level of carbon monoxide as well as monitoring the sprinkler system to ensure that it's in proper working condition. 

Blog Feature

Fire Systems

By: Daniel Torpey
June 22nd, 2020

The exact design of a commercial fire alarm system is determined by the commercial space’s occupancy classification and the local codes mandated by the Authority Having Jurisdiction (AHJ) for that specific occupancy classification. But regardless of the system design, all commercial fire alarm systems must have a Fire Alarm Control Panel (FACP).

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Access Control | Video Surveillance | Fire Systems | Intrusion Alarms

By: Michael Reynolds
April 7th, 2020

When a business is temporarily closed or is rarely visited, it’s even more critical to make sure your business security and fire systems are working properly. Here are the top seven tips on how to optimize your business security and fire systems to keep your business assets protected — even when you are stuck at home.

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Access Control | Fire Systems

By: John Kolb, CET, CPP
November 19th, 2019

When you're in the process of designing a physical access control system for your company, you're probably not thinking about your building's fire alarm system. But you should. Overlooking the fire alarm system could cause an unexpected, and costly, delay to your access control system installation. This article explains why it's often required to link your access control and fire alarm systems using a fire relay, and provides tips to minimize potential delay and cost.

Blog Feature

Fire Systems

By: Daniel Torpey
June 28th, 2019

Switching to VoIP telephone lines could mean serious trouble for your fire alarm system. Here are the steps to avoid them.