I needed to select all the connectors on a sheet of the same master type, which in my case represent different cable types. Individually selecting 50 or more connectors with 1mm spacing was not an option so I wrote this bit of code based on examples found at Visio Guy and Super User Now I […]
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Do you need a UPS for a DVR
A UPS – Uninterruptible Power Supply – is a highly recommended addition to your CCTV system as a sudden pulse in the power can destroy your DVR’s hard drive. As well as keeping the system powered up during power fails, they clean the incoming power for spikes and surges, which destroy electronics. They only add […]
Electronic tag boards make industrial sites Safer
Just released by Gallagher is the ‘Tag Board’ for quickly identifying who is in an area and improving site safety. I have worked in many industrial sites including mines and metal smelters, where the method of tracking who is in a high risk area revolves around an out dated paper tag system where each person needs […]
Just when you thought you had your security covered…
There is a new and very scary threat to system security called Stuxnet. While it is not new in the sense of being a computer virus, it is new in that it directly attacks a specific target’s infrastructure by overriding the control of devices, while reporting to the operators that everything is OK. Fortunately you […]
Making CCTV more than just a deterrent
Thousands of CCTV cameras are capturing your image as you pass through the streets of Adelaide every day but are they really effective? Having CCTV cameras is a great deterrent to crime but often they do not actually provide any evidence of use for convicting offenders due to the lack of a quality image of […]
Christmas decorations and surveillance Cameras
When you put up your Christmas decorations this year, please consider the surveillance camera view. Here is a classic example of where the Christmas decorations have completely blocked the surveillance cameras view in a shopping centre. With the incidence of shoplifting being elevated at Christmas, the last thing you want to do is reduce the effectiveness of your video […]
CCTV in Public Places – NSW
I found this pdf that is worth having a read of if you are planing to design an outdoor security camera system for a public area. http://www.lawlink.nsw.gov.au/lawlink/cpd/ll_cpd.nsf/vwFiles/cctv.pdf/$file/cctv.pdf
Something’s Wrong In The SSID | Wireless CCTV
Wireless CCTV is an awesome solution for many applications but it has to be installed with an understanding of wireless networking. Here is an example of what not to do. The system was very simple I was asked to look into a system that had been configured to demonstrate a proof of concept for a client. The […]
More Things To Note When Thinking ONVIF CCTV
I setup a small ONVIF CCTV system in a test environment this week. The intention was to get several different ONVIF CCTV compliant Axis encoders recording on an IndigoVision NVR to allow integration to an existing system rather than running two different VMS systems. The products I tested were: After a significant amount of […]
Displaying The Overview and Detail in a Visio CCTV Diagram
Often I want to create a system diagram that has both an overview and the full detail in the one document but struggle with the page getting too busy. When presenting a solution, you need to give an overview of the system using a simplistic, almost block like diagram that non technical people can understand […]
