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For most IP digital CCTV surveillance systems, the key components that need to be considered will be the:-

Each contribute to the performance of the system and it is the correct matching of capabilities of the individual elements which can determine the ultimate performance of the completed project.
Some the elements may be combined, for example control and recording, and others such as transmission, may use multiple types to satisfy image generation and infrastructure requirements.


Other considerations are:-

  • System scalability.
  • Power consumption and heat generation (i.e. the use of ‘green’ technology)
  • Ease of use.
  • The ability to incorporate newer camera technology over the whole life of the investment.
  • Data security.
  • The ability to provide bulk downloads.
  • The selection of equipment to ensure that the availability of spares and manufacturer support will continue to be available over the whole expected life of the system.
  • The ability to utilise analytics as they are developed.
  • Manufacturer commitment to comply with current and forthcoming standards.
  • Availability of management software and audit trail.
  • The establishment of the total cost of ownership (TCO).
  • The ability to interface with third party systems.

The level of emphasis that is placed on the above design principles will depend on the size and the system, its complexity, the level of risk and the operational requirement.