This is a great video demonstrating how a combination lock works. I’ve never given it much thought but after watching this video I think it’s pretty ingenious.
www.SecurityTechSupport.com
in reference to: YouTube – 481.How combination locks work — BestofYouTube.com (view on Google Sidewiki)
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Filed under: SideWiki Comments
If you’ve done any service work at all, you’ve probably had the following happen to you:
Client has a problem so you want to get that problem fixed as quickly as possible
While you go to the head end to identify the equipment in question and trace down cables, the client comes up to you and says [...]
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Filed under: Troubleshooting
Check out the link at the bottom of this article.
Ever been confused about OHMS law? This video makes it extremely easy.
I= V/R
I= current
V=voltage
R=resistance
Leave a comment if you’ve got a question or additional information. Thanks!
in reference to: Make: Online : MAKE presents: Ohm’s Law (view on Google Sidewiki)
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Filed under: Definitions, SideWiki Comments
Sometimes when there’s an issue such as “a door will not lock”, multiple things could go through your mind as you are driving to the site as far as what the problem may be. Could be a software issue… a power supply issue… a wiring issue… could be a lot of things. Before diving into [...]
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Filed under: Access Control, Troubleshooting
I had a service call that I had to do recently that involved a pedestrian gate (a normal swing gate next to a rolling vehicle gate) that would not lock. This gate has a card reader and a maglock. The customer called and stated that the maglock would not secure. It sounded like a power [...]
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Filed under: Access Control, Tips and Tricks
