Tutorials (187)

Displaying 'Tutorials' tags 151 - 175 of 187 in total

Optimizing Motion Based Recording

Often users will be shocked to find video is being stored only for as half as long as they expected. The #1 problem is typically unoptimized motion based recording. Various real world problems will cause unoptimized systems to record fare more oft...

By Brian Rhodes - over 8 years ago

Selecting the Right Type of Electric Lock

Picking between electric strikes, magnetic locks, electronic bolts and locksets can be a complex decision. A number of factors determine what the best choice is, but picking the wrong type can land you in jail. The most appropriate method of secur...

By Brian Rhodes - over 8 years ago

Where to Install Headend Equipment

Installing surveillance headend equipment in the wrong location can lead to increased failure rates or tampering. Often little thought is given to this decision, since security systems are frequently considered only after a facility is designed an...

By Ethan Ace - over 8 years ago

Public View Monitors

Showing that video surveillance is in use can be a powerful crime deterrent as criminals seek out environments where their illegal activity cannot be observed. A common method of doing this is with Public View Monitors. These monitors show the pub...

By Brian Rhodes - over 8 years ago

Fast vs. Gigabit Ethernet for Surveillance

This guide is intended to help users decide when to use 100 Mbps Fast Ethernet vs 1 Gbps Ethernet in surveillance deployements. It covers: The basics of Ethernet, Fast vs. Gigabit Power over Ethernet support Cost differences  When to use Fas...

By Ethan Ace - over 8 years ago

UL / Safety Approvals

If your surveillance equipment is not UL listed, it can be ripped out. Often this feels completely random (as discussed in a member's exchange [link no longer available]). Understanding UL listings can avoid these issues and their related high cos...

By Ethan Ace - over 8 years ago

Selecting the Right Bit Rate for CBR Cameras

Some of the most popular cameras on the market, like Panasonic and Sony, are especially tricky to configure the right bit rate. In our experience, because of these camera's use of Constant Bit Rate, most deployments significantly waste bandwidth i...

By John Honovich - over 8 years ago

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 strengths of common form factors will help the integrator recommend the right choice. In this note, we exa...

By Brian Rhodes - over 8 years ago

Fixed Camera Housing Guide

This guide will help you pick the best fixed camera housing for your outdoor surveillance applications. We cover: Enclosure size options Metallic vs Non-Metallic vs Vandal Resistant construction Options for Stainless steel, pressurized and ha...

By Ethan Ace - over 8 years ago

Sole Source Justification Tutorial

The sole source justification is a very powerful yet controversial way of specifying products. Vendors love them because it eliminates competition and all but guarantees higher profits. Users often want them to simplify complex contracting procedu...

By John Honovich - over 8 years ago

Door Intercom Tutorial

Door entry systems are an often overlooked subsystem of facility security. Typically, entry systems are installed on doors with little thought of integration to the overall security systems of a facility. However, proper integration can provide ga...

By Ethan Ace - over 8 years ago

Solar Surveillance Guide

Off-grid solar power is gaining attention for video surveillance. In this article, we examine what video surveillance applications are typically used with solar power, examine what key factors affect the design and cost of solar power systems, and...

By John Grocke - over 8 years ago

Sharing Surveillance Video with the Police

Sharing surveillance video with the police is a regular and important aspect of having a surveillance system. This can be crucial in prosecuting crimes committed against yourself, your neighbors or the general community. To do so, a number of impo...

By Brian Rhodes - over 8 years ago

Private Surveillance of Public Spaces

While public surveillance systems get most of the attention, private surveillance cameras surely solve far more crimes than public ones. This is not only inevitable but perhaps even a growing trend featured in recent news articles [link no longer ...

By Ethan Ace - over 8 years ago

How to Measure IR Illumination

Using IR for night time surveillance is a popular choice. The added non visible light can improve image quality when ambient street or visible lighting is absent. However, adding the right amount of IR light can be challenging. Add too much and th...

By John Honovich - over 8 years ago

How to Handle Hard Drive Failures

No matter how well maintained a surveillance system is, hard drives eventually fail. Indeed, A recent member's poll [link no longer available] showed that most find hard drive failures to be 'a common and significant problem'. What happens when a ...

By Ethan Ace - over 8 years ago

Reusing Existing Coax Cabling (EoC) Tutorial

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 to as Ethernet over Coax (or EoC), is mature and available from a variety of vendors. The challenge i...

By Ethan Ace - over 8 years ago

Cat 5e vs. Cat 6 for IP Cameras?

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 Category 6 cabling is the only way to go in any new application. However, Cat 6's increased performan...

By Ethan Ace - over 8 years ago

Estimating IP Camera Cabling Costs

Cabling is a fundamental, yet often overlooked, component of any surveillance project. Indeed, often estimating cabling costs can be more difficult than camera pricing as cabling frequently faces difficult to detect challenges. In this report, we ...

By Ethan Ace - over 8 years ago

Cooling Surveillance Systems

An IPVM survey and discussion addressed the topic of “How often, if ever, do you add additional cooling measures to rack/ equipment rooms?” The survey results show that 70% of the respondents replied “0-20% of installs” indicating that it is not s...

By Ben Wood - over 8 years ago

Bandwidth Tutorial for IP Video Surveillance Systems

When using IP cameras and video management systems, understanding the basics about bandwidth availability and demands is critical to planning, designing and deploying systems. Everyone in the industry should have an understanding of the basics as ...

By John Honovich - almost 9 years ago

How to Design a Video Surveillance Solution

Designing a video surveillance solution requires decisions on 8 fundamental questions. This in-depth tutorial helps beginners understand the options and tradeoffs involved in designing a solid surveillance solution. This is an introduction to hel...

By John Honovich - almost 9 years ago

Portable Power for Video Surveillance

Sometimes you need power for your video surveillance equipment but do not have convenient access to mains electricity. Common examples of this include: Demonstrating or trying out a camera in the field to see the quality and coverage area of th...

By Ethan Ace - almost 9 years ago

Using Fiber Optics for Surveillance

In using fiber for surveillance applications, there are typically two scenarios that users must address: backbone between two switches and directly to the camera. In this update, we'll address the separate concerns of each, and provide our recomme...

By Ethan Ace - almost 9 years ago

Resolving IP Camera / VMS Time Sync Problems

One issue which IP surveillance systems must address is syncing of time between cameras and the VMS in a surveillance network. In our experience, and as discussed in a recent lively discussion in our LinkedIn group [link no longer available], this...

By Ethan Ace - almost 9 years ago

Displaying 'Tutorials' tags 151 - 175 of 187 in total