Articles Tagged with ''power supplies''

Columnist Roy Pollack challenges professionals to test their knowledge in the latest 5 Minute Tech quiz.

Who ever thought power supplies could be a revenue stream? Today’s IP-centric power supplies are smarter, more efficient, and even a potential source of RMR.

No matter how great a video surveillance camera may be, if it has no power source — primary and/or backup — or can’t send images to the head end for viewing and archiving, it is no more useful for security than a painting hanging on the wall. This is why transmission and power solutions are crucial to providing the highest possible level of video security. 

Virtually every wired camera, access control reader, intercom or other device we install for our clients requires some kind of power for the unit to operate. The powering of devices is always a concern for technicians and, as has been common in our industry for the past century, different vendors will use different methods to power their devices.