5. Glossary
ADSL; Asymmetric Digital Subscriber Line
ADSL stands for "digital subscriber line". This technology enables the coexistence on the same line of a telephone channel, a high-speed downstream channel (for downloading) and a medium-speed upstream channel (for uploading).
Malicious act
A malicious act is one carried out with the intention of causing harm.
DNA (marking)
This is a solution containing a unique DNA code, intended for use in marking intruders. The solution contains a fluorochrome molecule attached to synthetic DNA. The sprayed solution is invisible to the naked eye. This indelible marking becomes visible when subjected to ultraviolet light (blue fluorescence).
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Standards
- Pedestrian doors, windows, curtain walls, grilles and closures – Break-in resistance – Specification and classification (classification index: P20-607) - NF EN 1627 - Novembre 2011
- Glass in construction – Safety glass – Testing and classification of resistance to manual attack (classification index: P78-404). - NF EN 356 - Septembre 2000
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