Access control, what is physical access control
Access control system is able to recognize door status and door events. It may be an alarm situation. In which case the system must send alarm signals. It also may be a normal situation. So, the system signals no event. … Read more
Back in 2018, I was working in a big hotel downtown Montreal. The company I was working for was the security system provider for the hotel which consists in the video surveillance system and access control. While installing the control … Read more
The security system is designed to secure a propriety or assets. But what if it is not secured itself ? Then to ensure security the system needs to be secure itself.
If the security system is broken or defeated, that … Read more
A bank branch is a very sensitive place where we install security systems. As a result, it is one of the most secured places. We can find all kinds of security systems no matter how big it … Read more
Security system integration means linking many electronic systems. And make them talk. For example, It links the access control. Alarm system. CCTV system. As a result, all those systems to be managed from one central platform to perform advanced system … Read more
Wiegand protocol is named after John R. Wiegand. He discovered the Wiegand effect. Which is a physical phenomenon in which a special wire produces small magnetic fields. So this magnetic effect is used to transmit information.
Indeed, over 90% … Read more