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CCTV > Do's and Don'ts of CCTV
Do's and Don'ts of CCTV
Do choose a provider who specialises in
education CCTV
Schools are fundamentally different environments to any other commercial
or public organisation. There are virtually no parallels between the
needs of the two, so do choose a provider who specialises in education.
At TAS, we have partnered with one of the largest schools in the country
to conduct a 12 month study in the practical daily operation of a CCTV system
in a large school. We have conducted reviews of many incidents to hone
our knowledge of the most effective camera positions and specifications. This has
built a bank of knowledge that no other
CCTV company can attain, and for our customers, results in a
best-value solution as a result.
DO choose a digital-only CCTV supplier
CCTV has moved rapidly from analogue to digital. Most police forces in
the UK have upgraded their analogue systems to digital. Digital CCTV implementation
requires an entirely different skill-set to analogue (extensive
computing and network knowledge, for example), and the upgrade is
not a natural step for analogue CCTV companies. It is akin to asking a taxi
driver to re-train as an airline pilot. For this reason, some analogue
CCTV companies will stick with what they know and avoid the digital
world.
Fortunately at TAS, our primary skills lay in the digital world, and in
fact, our Managing Director is a qualified Electronics Engineer with a
specialisms in firmware and software design.
DON'T buy a budget system
There are many budget CCTV systems on the market, and these are
perfectly adequate for domestic-use. There is a reason why they are
cheap, and a reason why no professional CCTV provider would use them.
Simply put, they are not fit for purpose in a non-domestic environment.
And selecting such a system would be like a doctor prescribing
medication without knowing the symptoms. Our advice is simple: You
cannot specify a solution until you have defined the objectives of your
cctv system, and conducted a thorough survey of the premises.
DO use the Rotakin standard
Compliance with the Rotakin standard is essential for success.
We have all squinted at really poor CCTV images on programmes such as
Crimewatch, and wondered how anyone could possibly identify the person
who is just a fuzzy blob on the screen. Poor quality CCTV images are
such a source of frustration for the police that the Home Office
Scientific Development Branch produced a document to address this: the
Rotakin standard.
Rotakin defines the level of detail that a CCTV system should be able to
provide to be fit for purpose.
Applying the Rotakin standard to CCTV design requires a thorough
understanding of
- the objectives of the system
- the role of each camera in the system
- the environment that the system exists in
- geometry and trigonometry
- photography, lens speeds, angles and focal lengths.
DO ensure you use a provider who understands
computers, networks and Windows server
In addition to Rotakin, in order to competently design, install and
configure today's digital CCTV systems requires a thorough understanding
of:
- local area network structure
- network switching
- managing bandwidth
- configuring Windows servers
- network security
- configuring iSCSI SAN devices for archive storage
DON'T fall foul of the law
CCTV intrudes on peoples privacy, which is why the Information
Commissioner's Office has written a code of practice specifically for
CCTV. Your system must be installed, implemented and used within the
requirements of the Data Protection Act, the Security Industry Act and
the Human Rights Act. Use a provider who understands your legal
obligations, who understands the need for a Privacy Impact Assessment,
and who has a thorough understanding of network permission and security.