Most techniques at present comprise of a couple of digital cameras, however, you do not; a monitor and recorder for every digital camera.
Equipment is offered that may cut up the monitor into 4 separate screens displaying 4 cameras, or a 4 manner sequence unit can be utilized which lets you select which digital camera you want to view. Alternatively, the automated mode it would sequence by way of the 4 cameras which are linked.
However, the most typical manner of controlling a number of cameras is by way of a multiplexer.
To preserve it easy, a multiplexer incorporates the above services but in addition, has the flexibility to individually code mark every picture from every digital camera and due to this, a multiplexer permits the entire cameras on a system to be recorded onto one tape or exhausting drive unit. The multiplexer then makes use of these code marks to play again the recorded image from the digital camera that you simply want to view.
Historically multiplexers and recording models have been separate items of kit, however lately numerous manufactures have developed models that do each job.
I need……I would like…….
These days, a CCTV system might be designed to suit any state of affairs you care to think about, utilizing choices from the huge vary of kits accessible from manufactures worldwide.