Legrand surveillance solutions

CCTV Handbook 2015 CCTV, Surveillance & Remote Monitoring

Legrand’s range of security solutions encompasses closed circuit television (CCTV) systems, which meet specific requirements in small, medium and large installations.

“These modular CCTV systems, which include an analogue, IP or composite approach, are selected according to the exact safety requirements of each building – for protection in diverse installations, from small businesses, to large shopping centres,” states Luk Ivens, general manager, Legrand Southern Africa. “The advantage of high definition IP technology is a scene filmed in ‘recognition’ mode can be zoomed to enable the identification of people.”

In selecting the appropriate CCTV solution, we recommend four important steps: define the areas that needs to be monitored and specify the expected results of the system. For example, identification, recognition and detection of intrusions. The third stage is to specify the number of cameras required and their suitable positioning. Finally, for the most effective results, the appropriate equipment must be selected to achieve pre-determined requirements of the system.

“Basically, the objectives and functions of a CCTV system are to provide live or recorded access and event monitoring of one or more areas of a building. This involves filming, recording, visualising and analysing of activities in the installation.

“Typical examples of the implementation of CCTV solutions are in small shops, supermarkets and warehouses. Legrand’s compact CCTV kits, which are expandable up to four cameras for shop installations, to monitor and record a few areas – usually the main entrance, product display area and cash register.

“In supermarkets, which normally necessitate monitoring and recording internally and externally, we recommend a specially designed system for each specific installation, where all devices are monitored and controlled from a monitoring station.

CCTV solutions for warehousing.
CCTV solutions for warehousing.

“In warehouse structures, the usual requirements internally and externally, include the surveillance of stock loading and unloading areas, the building exterior and parking lots. These bespoke systems are designed so that all devices are monitored and controlled from a local switchboard or reception, with an operator present. It is also possible to centralise the remote management of several sites.”

Although the selection of the appropriate components of a CCTV system – cameras, recorders and screens is critical – transmission and connection is also important. Legrand solutions are scalable and allow the management of an analogue installation and an IP system, using the same software.

An IP video signal, via a twisted pair of cables (FTP) facilitates the installation of several other cameras, if the IP installation has been correctly dimensioned. Legrand IP products are ONVIF-compliant for effective integration into third-party software.

There are various types of analogue and IP indoor and outdoor cameras in the Legrand range, each fitted with either a fixed lens aperture or a varifocal lens, which allows for the manual adjustment of the focal length. For example, if a 6 mm fixed lens is required, a 3,5 – 8 mm varifocal lens is easily adjusted to be fixed at 6 mm.

CCTV solutions for exterior installations.
CCTV solutions for exterior installations.

Legrand’s range of analogue and IP cameras includes a compact camera for wall mounting, which is supplied with the lens and mechanism already affixed. The dome camera is also fitted with a fixed lens and mechanism and can be wall mounted, or supplied with a suspension arm. Special cameras are equipped with specific functions, including smoke detection. Motorised cameras are able to follow the movements of any object or target and are capable of extremely fast movement.

Legrand has gained credibility in South Africa for its state-of-the-art modular electrical accessories, emphasising cost efficiency, flexibility, low energy consumption, safety and enhanced aesthetics. All Legrand products conform with stringent international quality and safety specifications. This energy efficient range features innovative designs to meet exact user demands, also allowing for simple and efficient installation.

For more information contact Legrand SA, +27 (0)31 502 2374, legrand.south-africa@legrand.co.za, www.legrand.co.za


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