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Home » Authors » David Engebretson
David Engebretson

David Engebretson

David Engebretson is the president of Slayton Solutions Ltd., Chicago, providing online and instructor-led training on fiber optics and networking electronic security systems. His latest book, Technician’s Guide to Physical Security Networking: Enterprise Solutions is a fully illustrated manual describing high-end IP physical security applications. Visit www.slaytonsolutionsltd.com for ordering information.
 

Articles

ARTICLES

Security Networkings
Security Networkings

Camera Placement, Focus & Resolution Critical to Facial

David Engebretson
David Engebretson
April 4, 2022

We have all seen the explosive growth of surveillance video installation and usage. The next step is to provide high-resolution cameras with proper mounting height to enable accurate facial recognition now or in the future.


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Security Networkings 2019

Trail Cameras for Outdoor Surveillance in a Hurry

OUTDOOR CAMERAS
David Engebretson
David Engebretson
October 6, 2021

How you can provide fast, affordable outdoor camera options for your customers


Read More
Axis C1004E Speaker image  91718

IP Comes to Intercom & Speaker Systems

David Engebretson
David Engebretson
November 1, 2018

There are two major trends that I have been following that will have dramatic effects on our industry.


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Security Networkings Default

Better, Faster and Less Expensive: Cat Crimping for Professionals

David Engebretson
David Engebretson
September 1, 2017
In my 40 years in this industry, I have come to the conclusion that many system problems and technician frustrations come from the installation and testing of network cabling jacks and plugs. Whereas in the old days we just had to get the right wire under the correct screw and torque it down, now technicians working on IP devices must properly terminate all eight conductors in a Cat5e or 6 cable, while making sure that only a minimum distance of the paired conductors are untwisted so as to minimize the potential for EMI/RFI and crosstalk between the pairs.
Read More
Security Networkings Default

The QNAP NAS Pairs Perfectly With Axis Cameras and Software

David Engebretson
David Engebretson
October 1, 2015

The perfect marriage.


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Security Networkings Logo

Christmas in July

Industry Wishlist
David Engebretson
David Engebretson
July 18, 2013

My daughter, now 14, has decided that indeed there is no Santa Claus. I have tried to explain to her that if you believe in Santa, he will bring you goodies on Christmas Day. 


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networkings feat

Cloud Services

It is very interesting how media and cultural inputs can affect how we look at our world
David Engebretson
David Engebretson
May 15, 2013

It is very interesting how media and cultural inputs can affect how we look at our world


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Security Networkings Logo

Thermal Imaging Camera for Outdoor Surveillance

David Engebretson
David Engebretson
February 8, 2013
As loyal readers are aware, my daughter and I are rapidly preparing for the upcoming zombie apocalypse. As fervent viewers of “The Walking Dead,” we came to the decision that the addition of a crossbow to our growing arsenal was in order. After receiving the weapon (there should be some way to limit the per-day dollars that can be spent ordering stuff over the Internet) we took the crossbow to our summer cabin in Michigan to have some target shooting fun.
Read More
Security Networkings Logo

The Times They Are a Changin’

David Engebretson
David Engebretson
December 19, 2011
In some ways, things were better in the old days. Once I was young, working on the Illinois Tollway for $6 an hour (in 1972 that was really good money), gas was $0.39 a gallon, and I received retroactive back pay as a loyal member of Teamsters Local #705.
Read More
Blog Feature Image

Hard Drive Shortage: Advice from SDM's Contributing Technology Editor

David Engebretson
David Engebretson
November 29, 2011
Flood waters that have besieged parts of Thailand and affected the production of hard drives could possibly become a problem for our industry around February or March 2012. If the DVRs and NVRs you are installing require specialized hard drives, and they were being built at the flooded factory, there well could be equipment shortages and/or greatly increased costs for these devices.
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View All Articles by David Engebretson
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