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General Information

How to Design a Video Surveillance Solution:
Seven fundamental questions.

The Basics:
A brief overview of the basic CCTV considerations.

CCTV System Design Considerations (Part One):
Basics of CCTV system design.

CCTV System Design Considerations (Part Two):
Basics of CCTV control room design.

System Design Considerations:
An overview of CCTV design considerations.

Specification Overview:
A review of specifications in CCTV.

Twisted Pair Colour Coding:

What Is Fibre Optics?
And overview of the principles on fibre optics and both the advantages and disadvantages of using fibre optics.

IP Cameras:
Advantages and Disadvantages

Specifications Overview
An overview of basic CCTV specifications.

What do IP Code Ratings mean?

What is Lux?

Chart: Horizontal & Angular Fields of View

Guidline to System Handover
A guide for handing over a finished job to the client including forms.

Should I use Colour or Black & White Cameras?

Switchers or Quads?

Voltage Drop According to cable Length (24AWG)

Simplex, Dublex or Triplex?

What is PoE?

Compression Standards:
An overview of copmression standards and how they apply to video and CCTV.

Guidelines for Identification:
A review of identification levels for CCTV.

Why is an IR Cut Filter in Colour Cameras necessary?

How do mechanical day and night cameras work?

What are Wide Dynamic (WD) Cameras?

Lens Information

Lens Overview

What is a Verifocal Lens?

What is an 'F' Stop?

Lens calculation formula.

What is the difference between a 'C' and a 'CS' mount?

Tools & Calculators


Hard Disk Calculator

Camera - Lens Conversion

Lens Calculator

Lens Calculator 2 (Expanded)

Voltage Drop Calculator

Tips and Guides

Installing co-axial Cable

Tips on IP Addressing

Pan & Tilt Heads

Stay Focused

What is Lux?

Video Transmission Graph

Electromagnetic Spectrum


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