The Changing Technology of Video Recording
Pros and Cons of the latest systems
Recording video from surveillance cameras has changed over the years. First there were Video Cassette Recorders (VCR’s) and then Digital Video Recorders (DVRs) and now there are Network Video Recorders (NVR). VCRs were around for many years and have been replaced by DVRs that use hard drives. Now, NVRs that support the latest network attached IP cameras, are starting to replace the DVR. This article reviews the technology and provides information that will help you determine the right system for your application.
Planning and Installing Your PA over IP System
It's easy to install this emergency alert system
The disaster at Virginia Tech and problems at other college campuses have brought to sharp focus the need for campus wide alert systems. The best warning system allows you to alert not only the whole campus but also specific sections of the campus, buildings and even individual classrooms. PA over IP is a good solution. Many people have asked, “Is this something I can do myself?” And our answer in the overwhelming majority of cases is: “Yes you can!” This article reviews how you can specify and install PA over IP systems.
Time for the Jokes
Thoughts of a thinking person
- A day without sunshine is like, well, night.
- On the other hand, you have different fingers.
- 42.7 percent of all statistics are made up on the spot.
- 99 percent of lawyers give the rest a bad name.
- Remember, half the people you know are below average.