CCTV INSTALLATION TRAINING BY DAHUA

A Training on CCTV Installation Organised by DAHUA

On the 26th of June 2026, we visited the IBOM e-Library to attend a certified training on CCTV installation. We arrived at the venue at 11:00 a.m. The training was already in session, so before entering, we signed in, filled in our details, and then joined the session.

During the training, we learnt many things, some of which are listed below.

The Camera Has Three Parts

• Image
• Sensor
• Processor

Types of Zoom

• Optical zoom
• Digital zoom

Types of Camera

• Bullet camera
• Video camera
• Dome camera (indoor)
• Eyeball camera (indoor)
• Corner camera (captures a corner or circumference)
• Box camera
• Thermal camera (gives both virtual and real images, mostly used in wildlife and military operations)
• Explosion-proof camera
• ANPR (Automatic Number-Plate Recognition Camera), e.g. Entrance and Exit ANPR Camera
• Parking Lot Management ANPR Camera
• ITC (Intelligent Traffic Camera)
• Fisheye camera (can rotate 180° or 360°)
• Anti-corrosion camera

Types of ITC

• Vehicle traffic violation
• Traffic detection
• Over-speed detection

Types of Video Surveillance

• Analogue
• Network

Camera Selection Overview

Installation Environment

• Angle of view
• DORI distance
• Focal length
• Light condition
• Protection, etc.

Image Quality

• Lens
• Sensor
• Resolution
• Frame rate
• Image processing, etc.

Appearance

• Bullet
• Dome, etc.

Interface

• Audio
• Alarm
• SD card, etc.

Intelligent Video Analysis

• IVS

• Face detection, etc.

• The control room is different from the server room.

• The angle of view determines the field of view.

DORI

Detection, Observation, Recognition, and Identification.

Every camera has a distance it can effectively cover.

• IR maximum distance
• Illumination distance

Types of Camera by Light

• IR
• Full colour
• Smart dual light
• Wiz Colour

Every camera must be ingress protected.

Motorised Lens

Lens sizes:

• 2.8 mm
• 3.6 mm
• 6 mm
• 12 mm

The lens size determines the field of view.

Types of Sensor

• CCD (Charge-Coupled Device)
• CMOS (Complementary Metal Oxide Semiconductor)

Resolution: The amount of image pixels a camera provides.

FPS (Frames Per Second): The number of images a camera can capture every second.

Image Processor

Types of processors:

• DSP
• ISP

Other concepts covered:

• PAL and NTSC
• BTS (Base Transceiver Station)
• Mainstream
• Sub-stream 1 and 3

General Recorder

• DVR (Digital Video Recorder)
• NVR (Network Video Recorder)

Categories of NVR

• PoE
• Non-PoE

Coaxial Cables

• RJ6

• RJ11

• RJ45

• VGA supports up to 2 MP.

• HDMI supports up to 8 MP.

BNC – Bayonet Nut Connector.

• Access port
• Network port

A Dahua recorder supports up to five video formats, while analogue supports four video formats.

• CVBS
• CVI (Composite Video Interface)
• TVI (Transport Video Interface)
• AHD (Analogue High Definition)

ONVIF – Open Network Video Interface Forum.

Different brands use ONVIF for compatibility, while devices from the same brand use their private protocol.

Switch

PoE (Power over Ethernet)

Types:

• PoE (IEEE 802.3af): Power budget – 15 W, usable power – 12.5 W
• PoE+ (IEEE 802.3at): Power budget – 30 W, usable power – 25.5 W
• PoE++ (IEEE 802.3bt): Power budget – 60–100 W, usable power – 60–70 W
• Dahua Hi-PoE – 60 W

Bandwidth is the amount of data that can be transmitted over a network.

Types of Switches by Bandwidth

• 10 Mbps
• 100 Mbps
• 1000 Mbps
• 10000 Mbps

What to Consider Before Selecting a Recorder

• Signal type
• Number of channels
• Hard disk drive
• Resolution

Types of Hard Disk Drive

• PC
• Surveillance
• Enterprise

Types of Wireless Camera

• Wi-Fi cameras
• 4G cameras

Types of Bandwidth

• Incoming bandwidth
• Storage bandwidth
• Forwarding bandwidth

Dahua default IP address: 192.168.1.108

The training was successful and very informative. After the session, we had lunch, asked a few questions, and the programme came to an end. Certificates were presented to everyone who participated in the training. It was an enlightening experience, and I look forward to attending more professional training programmes in the future.