Tutorials (187)

Displaying 'Tutorials' tags 126 - 150 of 187 in total

Day / Night Camera Tutorial

Day / Night cameras are very popular but not often understood. In this tutorial, we explain what makes a 'true' day / night camera, break down the role of a mechanical cut filter, share a 5 minute demonstration video and compare day / night camera...

By John Honovich - about 8 years ago

Extreme Temperatures Tutorial

Surveillance cameras are expected to work outdoors, ranging from deserts to monsoons to blizards. Ensuring that cameras works reliably in these extreme conditions is critical and takes more than the normal indoor camera provides. In this tutorial,...

By Ethan Ace - over 8 years ago

IP Cameras as Door Intercoms

Are door intercom units really necessary? An often overlooked benefit of IP cameras are their flexibility to be used for more than surveillance. With the wide selection and flexibility of IP cameras available, understanding their limitations when ...

By Brian Rhodes - over 8 years ago

Day/Night vs IR Cameras

When low light image quality is critical, Day/Night and IR cameras are two of the top choices. But how do these two differ and when should you choose one versus the other? In this note, we explain. Key Similarity The most important shared aspect...

By John Honovich - over 8 years ago

Intercom Systems Tutorial

While intercoms are an important component of security systems, little fundamental training exists to explain the options and their tradeoffs. In this note, we do so, examining: Analog vs IP Door vs Wall vs Desktop Stations Intercom Servers S...

By Brian Rhodes - over 8 years ago

Powering IP Cameras When Using Fiber

Solving distance issues with fiber optic cable creates a new set of problems. Due to the lack of PoE, users must find a local power source and space for equipment connections, issues not found when using PoE and UTP. In this note, we examine this ...

By Ethan Ace - over 8 years ago

Dealing with PoE Only Cameras

Increasingly, IP camera manufacturers are dropping low voltage support in favor of PoE power only. This can cause problems and unexpected expense unless this risk is recognized and dealt appropriately. In this note, we cover the reasons this chang...

By Ethan Ace - over 8 years ago

IP Video 101 Training

This free, online course allows you to learn the basics of IP video in under 2 hours by watching a series of 6 videos and take a 14 question quiz. It is for security technicians and security managers that want to use IP cameras but want to improv...

By John Honovich - over 8 years ago

Security Gates Tutorial

While gates are a critical component for many facilities, selecting them can be challenging. Numerous types of gates exist with various tradeoffs in operations, security, aesthetics and safety. In this note, we examine 5 types of gates and explain...

By Benros Emata - over 8 years ago

PoE Power Problems

One of the nastiest and most difficult to identify problems is insufficient PoE power. One minutes, things may be working fine. The next, the system seems to be going haywire, with little indication why. In this update, we overview the potential c...

By Ethan Ace - over 8 years ago

Pan/Tilt Camera Selection Guide

Multiple styles of PTZ are available, though little clear-cut guidance on which is best for a given application is available, making camera selection difficult for inexperienced users. In this note, we overview the three main types of PTZ cameras:...

By Ethan Ace - over 8 years ago

Camera Pre-Installation / Bench Testing

There is a fine line between profit and loss on many surveillance projects. If just a few unexpected camera problems arise, the integrator may as well be paying to perform the work. In this note, we examine the pre-installation checks and why the...

By Brian Rhodes - over 8 years ago

Closing Out Surveillance Projects

Closing out projects can be surprisingly difficult. For what seems to be simple process, gracefully concluding work and leaving a jobsite can prove challenging. Despite devoted efforts to bring work to an end, loose ends and lagging issues can str...

By Brian Rhodes - over 8 years ago

Encoder Tutorial

As more users look to upgrade aging analog camera systems, encoders play an increasingly vital role. Though not as frequently discussed as IP cameras, knowing how to properly apply encoders is key for use in these upgrades, as well as specialized ...

By Ethan Ace - over 8 years ago

Camera Installation Guide

Camera installation is fundamental to the security industry, but in many cases, little thought is given to planning and installation, leading to system which perform poorly and look unprofessional. As an example, see this photo: Not only does t...

By Ethan Ace - over 8 years ago

Proxicast With IP Cameras

4G wireless networks are on the rise, with cellular providers building out their networks and heavily marketing increases in speed and availability. As we discussed in a previous update, the City of Dallas has even released an RFP calling for 300 ...

By Ethan Ace - over 8 years ago

Markups / Margins Tutorial

How much an integrator marks up a product when they sell it to a customer has a big impact on both the total end user cost and the profitability of the integrator. Equally importantly, markups have been going down significantly over the last decad...

By John Honovich - over 8 years ago

Storage Duration for Surveillance 2012

How long should video surveillance be stored? 1 week, 1 month, 1 year? This is a fundamental question for security systems. Store for too short a time and you could lose critical evidence yet record too long and it could waste a huge amount of mon...

By John Honovich - over 8 years ago

Sens Up is For Suckers

Run as fast and far as you can, if you are looking for a good low light camera and the manufacturer cites 'Sens Up.' This is a sneaky trick that vendors play when rating low light performance. Instead of admitting that there cameras suck at night,...

By John Honovich - over 8 years ago

PIR Detector Selection Guide

Motion sensors are a frequent source of 'false alarm' headaches in many intrusion systems. 'PIR', or 'Passive Infrared' technology have been widely deployed over many years of use, yet these sensors are still a considerable source of false alarms....

By Brian Rhodes - over 8 years ago

Security Monitoring Station Guide

Console furniture optimized for security command centers is typically required for surveillance systems installations of 50+ cameras. Those sites regularly have a trained security operator or staff to view live and recorded video and manage access...

By John Grocke - over 8 years ago

SD Card For Surveillance Tutorial

Axis's VMS elimination solution uses SD cards to store video on the camera. This makes SD card selection and specification a key part of a surveillance design. In this note, we examine SD cards, key criteria and descibe which types to best apply. ...

By Brian Rhodes - over 8 years ago

Reusing Existing SAN for Surveillance

Free Storage? Reusing an organization's existing Storage Area Network (SAN) for video surveillance can eliminate the need for buying a new storage system. However, many details impact this decision. In this note, we identify 8 vital attributes to ...

By Brian Rhodes - over 8 years ago

Preventing Camera Theft

Reports of video surveillance cameras being stolen are surprisingly common. While the crime is ironic, the theft of camera equipment can be costly. Cameras themselves are tools used to prevent items from being stolen, but what can be done to prote...

By Brian Rhodes - over 8 years ago

How to Replace VMS Software

The uproar over Milestone's unprecedented new support charges has motivated many to replace existing VMS software with new ones. However, how can this be done? While it may be less expensive to replace VMS software than DVR appliances, many factor...

By Brian Rhodes - over 8 years ago

Displaying 'Tutorials' tags 126 - 150 of 187 in total