Cctv Pelco

7/24/2019 Cctv Pelco

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CCTVDesign and Technology

by

Kevin BozarthDesign Specialist, Integrated System


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CCTV Core Components

Camera

Camera

Recording

Recording Viewing

Viewing


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Camera Choices Analog

IPQuestion?

What Function What Technology

What Environment

Question?

What Function What Technology

What Environment


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Camera Choices - Analog Video Transmission

Standard PAL/NTSC

Coax

CAT5e, CAT6 - UTP


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Camera Choices - Analog Digital Encoding through Encoders

Compression Image Quality Compression Bandwidth

MJPEG Great (5) Zero (0) Very High (5)

MPEG2 Good (3) Low (1) High (3)

MPEG4 Medium (2) Medium (2) Medium (2)H.264 Good (3) High (3) Low (1)

Values are Estimates of compression standards


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Camera Choices - Analog Video Compression Example

H.264 17 different defined profiles

Bit Rate controlling


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Camera Choices - Analog Standard being defined within

Physical Security Industry ONVIF

PSIA


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Camera Choices - IP Benefits

Reduction of System Components

Remote Configuration

Remote Upgrades

Analog

Camera

Analog

Camera

Digital

Encoder

Digital

Encoder

+

IP CameraIP Camera


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Remote Upgrades

Dip SwitchesDip Switches Web PageWeb Page


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Remote Upgrades

Remote ConfigurationRemote ConfigurationField ChangesField Changes


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Resolution

Standard Definition

MegaPixel

Camera Choices - IP

Storage &

Network

Quality &

Resolution


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3.1 MP (2048x1536)

2.1 MP (1920x1080)1.3 MP (1280x1024)

0.5 MP (800x600)

4CIF 704x576

Camera Choices - IP Resolution


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Resolution Aspect Ratio3.1 MP (2048x1536)

2.1 MP (1920x1080)

Camera Choices - IP


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Resolution

Camera Choices - IP

1 MP4CIF 2 MP


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Camera Choices - IP Bandwidth

Original Design 50% total link bandwidth

Expansion 70% total link bandwidth

Formula

[# of Cameras] X [Average Bandwidth]

50% X [Link Bandwidth]


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Formula[# of Cameras]

X [Average Bandwidth]

X 60seconds

X 60minutes

X 24hours

X [# of Days]

/ 8bits

/ 1,000gigs=

[# of Gigs of Storage]

Camera Choices - IP Storage

Quantity of Cameras

Average Bandwidth

Days of Retention


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Recording Choices Fault Tolerance

Redundancy


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Recording Choices Fault Tolerance RAID

RAID 1

RAID 5

RAID 6

A B A&B A&B

A B A&B

A A


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Recording Choices Power Redundant power supplies

2 plugs


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Recording ChoicesLoad Balancing Consistent Retention

Processor utilization equal

Recorder Recorder Recorder

Cameras


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Recording Choices Failover Is it needed?

Failure Maintenance

Standby recorder (n+1)

Load-balancing failover (n+m)


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Recording Choices Redundancy Recorded to two recorders

Drastic failure of recorder

Drastic failure of environment


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Viewing Choices Viewing Application

Decoders

Monitors


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Viewing Choices Viewing Application PC

Purpose Built CCTV viewing device

Decoders


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Viewing Choices - Monitor Analog Standard Definition

HD 720p (1280 x 720 is 0.9 MP)

1080p (1920 x 720 is 2.1 MP)


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System Architecture Environment

Network

Integration


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System Architecture - Environment Security

Air ConditioningFormula

[Room Meters2

] X 303 = Room BTU[Lighting Wattage] X 4.28 = Lighting BTU

[# of Occupant] X 400 = Human BTU

[ BTU] / 12,000 = Tons of AC


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System Architecture - Network Bandwidth

Switch selection

Topology


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System Architecture - Integration Analytics

3rd Party Data Systems

Multiple CCTV manufactures


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System Architecture - Integration Analytics

Server Based Edge Based


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System Architecture - Integration 3rd Part Data Systems

Alarm System Access Control System

Point of sale System


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System Architecture Multiple CCTV Manufactures

Cameras Decoders

Storage


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CCTV CommissioningNow lets put it together the way it needs

to be used!


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CCTVDesign and Technology

by

Kevin Bozarth

Design Specialist, Integrated System

[email protected]

Documents

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