Many CCTV projects begin with looking into the features required and the amount of integration needed with other systems. These discussions run along the lines of producing a Must Have / Nice to have / Wish list of features. We recently worked with a Systems Integrator (SI) to develop a CCTV system for a company from the petro-chemical industry. It provided an interesting insight into how many Wish list items we were able to include in the system simply by specifying IP.
The end customers key Must Have was a reliable and robust system; but they also wanted enhanced functionality for communications and public address broadcasting, as well as remote lighting management and proactive alert systems. And cost, like most projects, was a key concern.
To cut project costs existing analogue cameras were utilised by being connected to an IP encoder for transmission over a local 5GHz wireless LAN from Infinet. This helped avoid cable runs from difficult areas and enhanced project savings by cutting the costs of digging trenches to new camera locations. Another requirement was met by the use of Mesh network topology to provide resilience in the transmission of the CCTV.
It was at this point that we could start ticking off the main Wishlist items as the encoder could support local I/O devices such as Redwall’s and also be connected to local tannoy systems from TOA in the event that communications needed to be broadcast, such as safety announcements or to get a remote site worker to come to a site office or rendezvous with other colleagues.
We could also support other I/O devices through the use of Adams boards to convert I/O to IP and then link this data to either display the cameras signalling alarms or make a PTZ go to a preset position to give a visual overview of events; allow for process control and ensuring contracted works had been carried out; or even provide lone worker protection.
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