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Structured CablingAaquibhussein

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Structured Cabling SystemStructured Cabling System

A Structured Cabling System is a cabling and

connectivity products that integrates data, voice, video

and various management system of a building

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Different Aspects of CablingDifferent Aspects of Cabling

Transmission Media

Topology

Distribution

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Cable Distribution SystemCable Distribution System

Cable Tray

Raised Floor

Conduit

Hung Ceiling / False Ceiling

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Structured Cabling SystemStructured Cabling System ComponentsComponents

Backbone (Inter Building)

Vertical subsystem

Horizontal Subsystem (UTP/STP)

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Benefits of Structured Cabling SystemBenefits of Structured Cabling System

Redundancy at design stage reduces downtime & repair time

Concealed cabling

Ease of fault location & repair

Flexibility, expandability & modular connecting platform

Ease of moves, adds and changes

Enhanced end-use understanding and control

Continuous product support and warranty

Significant long term cost containment

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Figure 1

Figure 1

Elements of a Structured Cabling System

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Generic Cabling Standards

Generic structured cabling standards evolved in the 1990s to

meet these needs.

In North America, the EIA/TIA 568 standard was

promulgated.

International Standard, IS 11801 was produced. In Australia / New Zealand, our own AS/NZS 3080

standard was produced by an industry committee of

Standards Australia.

AS/NZS 3080 is closely modeled on IS11801. All threestandards have been progressively updated as cable and

components have increased in transmission quality

enabling larger bandwidth to be utilized and higher and

yet higher data rates to be supported.

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Structured Cabling Components

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The generic AS/NZS 3080:2002 cabling standard is based

on:

Cabling using twisted pair copper and optical fiber

Outlets using 8 pin modular plugs and sockets commonly;

typically dual 8 pin modular sockets are installed as a

minimum. This providing an outlet for a telephone

connection and an outlet for a computer networkconnection at each work station position.

Cable termination administration points using 8 pin

modular jack patch panels or insulation displacement

modules.

Cross-connection changes at the cable termination

administration points are made by RJ45 patch cords or

twisted pair jumpers for insulation displacement

termination modules. In the case of optical fiber, cross

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Twisted Pair Cable Descriptions

The most common (and lowest cost) twisted pair cabling

is unshielded twisted pair (UTP). It is produced in 4 pair,

24/25 pair and 96/100 pair sizes.

A foil shielded version of the twisted pair is FTP. An

aluminum shield is wrapped around all pairs under a

PVC sheath. The purpose of FTP is to prevent high

intensity electromagnetic interference entering the cable.

A version of twisted pair cable in which the individual

pairs are shielded from each other using an aluminum

foil around each pair is called shielded twisted pair orSTP or ScTP. The purposes of individually shielding

pairs is to reduce cross-talk interference between the

pairs.

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Current Data Center Network Rack

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To Avoid such cabling use trays

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