The brain of a door access control system is the controller or access control panel. One or more door readers connect to a controller. The access controller receives the person’s ID number from the door reader, matches the credential to the list of approved users, and then opens the electric lock.
This article compares the different types of access controllers or control panels.
Continue reading “Access Controller Comparison”As I get older, I realize
Why isn’t phonetic spelled the way it sounds?
Why are there interstate highways in Hawaii?
Why are there flotation devices under plane seats instead of parachutes?
The magnetic door lock is a unique lock requiring special handling to ensure safety. Since the mag lock holds the door shut and prevents both egress and ingress, additional devices must be present to allow people to exit.
This article describes how to use the magnetic lock in your access control system.
Continue reading “The Magnetic Door Lock”
The IP cameras are designed for different applications. What is the best camera for your application? This article compares the different IP cameras and describes the Pros and Cons, and the best place to use each type of camera.
Continue reading “Bullets, Domes, and PTZ Cameras”A man is walking home around midnight
“Poor Old fool,” thought the well-dressed gentleman as he watched an old man fish in a puddle outside a pub. So, he invited the older man inside for a drink. As they sipped their whiskeys, the gentleman thought he’d humor the old man and asked, “So how many have you caught today?”
The old man replied, “You are the eighth.”
Two fleas were walking out of a bar when they discovered it was raining.
One turned to the other and asked – Shall we walk or take a dog?
An IP Paging System is a set of network-attached audio devices that convert digital signals to audio. These network-attached speakers include amplification so that many people can hear the message. The system also includes software used for managing and controlling the audio. The IP Audio system includes speakers, intercoms, audio amplifiers, and management software.
Continue reading “How the IP Powered Speakers and Intercoms Work”
Door access control is part of an overall security system that keeps our organizations safer. The access control system ensures that only registered people can enter the organization. It provides four essential functions:
This article describes the components of an access control system.
Continue reading “How Access Control Works”What’s the most terrifying word in nuclear physics?
Oops
“I was studying frequency in my physics class. Now my brain Hertz.”
Where does bad light end up?
In prism.
Why is electricity an ideal citizen?
Because it conducts itself so well.
Physics is the science where it takes long, complicated equations to explain why round balls roll.
I poured root beer in a square glass.
Now I just have beer.
An IP camera is a surveillance video camera that attaches to the network and is part of an IP Camera System. The cameras are an essential part of the physical security systems and are used in business, government, and educational institutions worldwide. Over the years, they have played a vital role in ensuring safety in all our organizations.
This tutorial describes how the IP camera works.
Continue reading “How the IP Camera Works”
How can we make our lives safer? That’s the critical question asked by all security personnel. How can we prevent dangerous people from entering our facilities? Can we reduce the crime at our schools? Can we quickly notify the police when danger threatens? These questions and others are on the top of our minds.
This article provides some of the questions people have asked and provides their answers.
Continue reading “Security Questions and Answers”