Access Credential Form Factor Tutorial
Deciding which type, or form factor, of access control credential to use and distribute can be a difficult task. Knowing the limitations and...
By Brian Rhodes - about 12 years ago
Deciding which type, or form factor, of access control credential to use and distribute can be a difficult task. Knowing the limitations and...
By Brian Rhodes - about 12 years ago
This guide will help you pick the best fixed camera housing for your outdoor surveillance applications. We cover: Enclosure size...
By Ethan Ace - about 12 years ago
The sole source justification is a very powerful yet controversial way of specifying products. Vendors love them because it eliminates competition...
By John Honovich - about 12 years ago
Door entry systems are an often overlooked subsystem of facility security. Typically, entry systems are installed on doors with little thought of...
By Ethan Ace - about 12 years ago
Off-grid solar power is gaining attention for video surveillance. In this article, we examine what video surveillance applications are typically...
By John Grocke - about 12 years ago
Sharing surveillance video with the police is a regular and important aspect of having a surveillance system. This can be crucial in prosecuting...
By Brian Rhodes - about 12 years ago
While public surveillance systems get most of the attention, private surveillance cameras surely solve far more crimes than public ones. This is...
By Ethan Ace - about 12 years ago
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No matter how well maintained a surveillance system is, hard drives eventually fail. Indeed, A recent member's poll [link no longer available]...
By Ethan Ace - over 12 years ago
The coaxial cables which transmit most analog CCTV video can be reused when migrating to IP cameras. The technology to do so, most often referred...
By Ethan Ace - over 12 years ago
What cabling should you use for IP cameras? Cat 5e or Cat6? Spend any time talking to cabling professionals these days, and they'll tell you that...
By Ethan Ace - over 12 years ago
Cabling is a fundamental, yet often overlooked, component of any surveillance project. Indeed, often estimating cabling costs can be more difficult...
By Ethan Ace - over 12 years ago
An IPVM survey and discussion addressed the topic of “How often, if ever, do you add additional cooling measures to rack/ equipment rooms?” The...
By Ben Wood - over 12 years ago
When using IP cameras and video management systems, understanding the basics about bandwidth availability and demands is critical to planning,...
By John Honovich - over 12 years ago
Designing a video surveillance solution requires decisions on 8 fundamental questions. This in-depth tutorial helps beginners understand the...
By John Honovich - over 12 years ago
Sometimes you need power for your video surveillance equipment but do not have convenient access to mains electricity. Common examples of this...
By Ethan Ace - over 12 years ago
In using fiber for surveillance applications, there are typically two scenarios that users must address: backbone between two switches and directly...
By Ethan Ace - over 12 years ago
One issue which IP surveillance systems must address is syncing of time between cameras and the VMS in a surveillance network. In our experience,...
By Ethan Ace - over 12 years ago
UPDATE: NEW VERSION - Average Frame Rate Video Surveillance 2016 People are used to watching TV at about 30 frames per second, often called 'full'...
By John Honovich - over 12 years ago
One topic on which we regularly receive questions is the use of audio in surveillance systems, and what products and installation standards should...
By John Honovich - over 12 years ago
Aggressive marketing creates dangerous myths. Vendors transform their product's highest aspirations into concrete claims. Unfortunately, these...
By John Honovich - almost 13 years ago
One fear we commonly hear about using higher resolution cameras is that capturing more pixels than can be displayed live on the monitor is a waste....
By John Honovich - almost 13 years ago
This report requires an IPVM Research Service subscription. Learn more.
We examine key considerations in the design and use of video surveillance monitoring stations. All too often, the tendency is to hang multiple...
By John Honovich - over 13 years ago
In this note, we contrast the cost of powering cameras via Power over Ethernet vs a non-powered switch plus a low-voltage power supply....
By John Honovich - over 13 years ago
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