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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.

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What is Redundancy?

What is Dual-Factor Authentication?

What is Wide Dynamic Range?

What is a High-Security Tag?

What is a Varifocal Lens?

What is Supervised Opening and Closing?

What is an Elevator Reader?

What is a Plenum-Rated Cable?

What is Anti-Passback?

What is a Fixed Lens?

What is an Access Level?

What is a Turnstile?

What is a Fire Watch?

What is an Electric Strike?

What is an Access Control Unit?

What is a Two-Person Rule?

What is an Authority Having Jurisdiction?

What is a Holdup Button?

What is a Credential Reader?

What is a Thermal Camera?

What is a Mobile Access Credential?

What is a Passive Infrared (PIR) Sensor?

What is a Door Forced Feature?

What is a Door Contact Sensor?

What is a Local Door Sounder?

What is a Request to Exit Device?

What is a Glass Break Sensor?

What is Panic Hardware?

What is a Biometric Reader?

What is a Wide Angle Lens?

What is a Telephoto Lens?

What is a V-Code?

What is Fail-Secure?

What is an Emergency Notification List?

What is a Mag Lock?

What is Facial Recognition?

What is Access Control?

What is an Access Credential?

What is an IR Security Camera?

What is a Dome Camera?

What is Digital Zoom?

In an Access Control System, What is Fail-Safe?

What is Underwriters Laboratories?

What are CCTV Cameras?

What is Tailgating?

What are Integrated Video Servers (IVS)?

What is Integration?

What is an Internet Protocol Security Camera?

What is an Access Controlled Portal?

What is Bluetooth Low Energy?

What is a Door Held Open Alert?

Why You Should Invest in Outdoor Security Camera Protection

ECB Violations for your NYC Fire Alarm System: How to Avoid and Resolve Them

Why Should I Invest in a Professionally Installed Security Camera System?

Common Video Surveillance Mistakes to Avoid

Should your business security systems provider have a SOC audit?

Door/Window Contact Sensors in Business Security Systems

Are Motion Sensors Necessary in Business Security Systems?

Installing Glass Break Sensors Can be Tricky: Here’s What You Need to Know.

What Are Emergency Control Function Interfaces in Fire Alarm Systems?

What Are Remote Annunciators in Fire Alarm Systems?

Notification Devices: Strobes, Horn Strobes, Speakers & Speaker Strobes

Top 5 Checklist for Evaluating Fire System Monitoring Centers

How to Integrate Access Control Systems With Automatic Door Openers

Supervisory Switches: Valve Tamper Switch, Water Level Switch, Air Pressure Switch, Low Temperature Switch

Initiating Devices: Manual Pull Stations and Waterflow Switches

Initiating Devices: Heat Detectors, CO Detectors, Multi-Sensor Detectors

Initiating Devices: Smoke Detectors, Duct Smoke Detectors, Beam Detectors

What is a Fire Alarm Control Panel (FACP)?

7 Tips to Protect Your Business Premises During an Extended Shutdown

Benefits of Integrating Video Surveillance & Access Control Systems

Access Control: What are the First Person In and DoorStat Features?

Tips for Protecting High-Security Areas Within Your Business

How a Network Outage Impacts Cloud-Based Access Control Systems

Access Control System: Avoid Common Cable Wiring Mistakes

Fire Relays: Integrating Your Access Control and Fire Alarm Systems

Installing Electric Strikes and Electro-Magnetic Locks

How to Define Access Levels in Access Control Systems

Access Control System: How to Choose the Right Credential Types

Top 20 Access Control Terms Explained

Highlights from the 2019 ISC West

Migrating from POTS to VoIP? Don’t Get Burned by Your Fire Alarm System

How We Are Getting Ready for Gen Z, the Mobile-First Generation

All posts