23206543 Jenis Jenis Kabel

8/11/2019 23206543 Jenis Jenis Kabel

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BAB A PENGENALAN PERALATAN RANGKAIAN

BAB A 1 Pengenalan kepada pemasangan rangkaian

1.1 Senarai dan kenalpasti jenis-jenis kabel rangkaian

14

Types of Copper Network CablesTypes of Copper Network Cables

Coaxial CablesCoaxial Cables

Unshielded Twisted Pair UTP!Unshielded Twisted Pair UTP!

Shielded Twisted Pair STP !Shielded Twisted Pair STP !

1"

Coaxial CableCoaxial Cable

Coaxial #able is #o$prised of %Coaxial #able is #o$prised of %

Central #ondtorCentral #ondtor

'iele#tri# $aterial'iele#tri# $aterial

Copper braidCopper braid

P(C ja#ket.P(C ja#ket.

P(C )a#ket

*raided Shield

'iele#tri#

Condtor


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1+

Coaxial Cable Chara#teristi#sCoaxial Cable Chara#teristi#s

The #enter #ondtor and the braided shieldThe #enter #ondtor and the braided shield$ake &p the two paths of a signal #ir#&it.$ake &p the two paths of a signal #ir#&it.

Two types of #oaxial #able &sed in networksTwo types of #oaxial #able &sed in networksare%are%

, , --+ 1/*ase"! Thi#knet #able.+ 1/*ase"! Thi#knet #able. , , --"0 1/*ase ! Thinnet #able."0 1/*ase ! Thinnet #able.

12

Unshielded Twisted Pair Unshielded Twisted Pair


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Unshielded Twisted PairUnshielded Twisted PairChara#teristi#sChara#teristi#s

Typi#al i$pedan#e is 1// oh$s.Typi#al i$pedan#e is 1// oh$s.

Contains fo&r pairs of or 4 ga&ge solidContains fo&r pairs of or 4 ga&ge solid#opper wire.#opper wire.

elati3ely s$all dia$eter of /.12 $akes itelati3ely s$all dia$eter of /.12 $akes iteasy to install.easy to install.

5as no physi#al shielding.5as no physi#al shielding.

Uses #an#ellation effe#t to rede #rosstalkUses #an#ellation effe#t to rede #rosstalkand 6789 :8 noise.and 6789 :8 noise.

1;

Categories of UTP CablesCategories of UTP Cables

Category 1Category 1 -- Not ated Not ated

Category Category -- Telephone


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/

Shielded Twisted Pair STP!Shielded Twisted Pair STP!

Shield 'rain


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Typi#al :iber Apti# CableTypi#al :iber Apti# Cable

J acket Jacket BufferBuffer CladdingCladding CoreCore

=

:iber Apti# Cable Chara#teristi#s:iber Apti# Cable Chara#teristi#s

8$$&ne to ele#tri#al interferen#e8$$&ne to ele#tri#al interferen#e

6xtre$ely se#&re6xtre$ely se#&re

(ery low loss(ery low loss

(ery expensi3e to install and $aintain(ery expensi3e to install and $aintain

e@&ires ele#tri#ale@&ires ele#tri#al --opti#alopti#al --ele#tri#al signalele#tri#al signal#on3ersion#on3ersion


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BAB A : 2 PENGENALAN KABELRANGKAIAN

1

Types of Cables Used 8n NetworksTypes of Cables Used 8n Networks

Copper CablesCopper Cables

:iber Apti# Cable:iber Apti# Cable

"

:a#tors >ffe#ting Copper Cable:a#tors >ffe#ting Copper CablePerfor$an#ePerfor$an#e

8$pedan#e8$pedan#e

6le#tri#al 8nterferen#e6le#tri#al 8nterferen#e


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Cable 8$pedan#eCable 8$pedan#e

esistan#eesistan#e

ea#tan#eea#tan#e

2

Cable esistan#eCable esistan#e

Apposes #&rrent flow.Apposes #&rrent flow.

8s $eas&red in oh$s.8s $eas&red in oh$s.

Can be $eas&red with an oh$$eter.Can be $eas&red with an oh$$eter.

8s dire#tly proportional to #able length.8s dire#tly proportional to #able length.


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0

Cable ea#tan#eCable ea#tan#e

ApposesApposes #hanges#hanges in 3oltage or #&rrent.in 3oltage or #&rrent.

8s rated in oh$s b&t #annot be $eas&red8s rated in oh$s b&t #annot be $eas&redwith an oh$$eter.with an oh$$eter.

8s the res&lt of #apa#itan#e and indtan#e8s the res&lt of #apa#itan#e and indtan#e between #ondtors. between #ondtors.

'eter$ined by their dia$eter and spa#ing.'eter$ined by their dia$eter and spa#ing.

;

8$pedan#e8$pedan#e

8$pedan#e is the 3e#tor s&$ of8$pedan#e is the 3e#tor s&$ ofresistan#e and rea#tan#e.resistan#e and rea#tan#e.

ea#tan#eea#tan#e

esistan#eesistan#e8 $ p e d a n # e

8 $ p e d a n # e


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6le#tri#al 8nterferen#e6le#tri#al 8nterferen#e

'egrades data signals.'egrades data signals.

Can res&lt in data errors.Can res&lt in data errors.

Types of ele#tri#al interferen#e%Types of ele#tri#al interferen#e% , , Crosstalk Crosstalk

, , 6789 :86789 :8

11

8nterferen#e Prote#tion8nterferen#e Prote#tionTe#hni@&esTe#hni@&es

Can#ellationCan#ellation , , Twisted wire pairs #reate o&t of phase $agneti#Twisted wire pairs #reate o&t of phase $agneti#

fields whi#h tend to #an#el ea#h other.fields whi#h tend to #an#el ea#h other.

ShieldingShielding , , ro&nded $etal braid or foil s&rro&nding aro&nded $etal braid or foil s&rro&nding a

#ondtor prote#ts it fro$ external radiation.#ondtor prote#ts it fro$ external radiation.


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1

Crosstalk *etween CondtorsCrosstalk *etween CondtorsThe interferen#e generated when a $agneti#The interferen#e generated when a $agneti#field fro$ one wire indes #&rrent intofield fro$ one wire indes #&rrent intoanother wire.another wire.

:ields of opposite phase tend to #an#el ea#h:ields of opposite phase tend to #an#el ea#hother.other.

B

-

Copper Condtor

8ns&lation

6le#tro$agneti#:ields

1=

6789 :86789 :8

es&lts fro$ the #able being pla#ed in anes&lts fro$ the #able being pla#ed in anexternal $agneti# field.external $agneti# field.

Shielding blo#ks external $agnetShielding blo#ks external $agnetinterferen#e.interferen#e.

ro&ndedro&ndedShieldShield

7agneti# :ield7agneti# :ieldCondtor Condtor


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PERBEZAAN KABELUNSHIELDED DANKABEL SHIELDED

Lambat rosakCepat rosakSelamatKurang keselamatan

KURANG Sensetifterhadap gangguanelektrikal

sensetif terhadapgangguan elektrikal

Lambat untukdipasang

cepat untuk dipasang

Penghantaraan yangla u

Penghantaraan sehingga!""#bps

Kos lebih tinggi danmahal

Kos lebih rendah danmurah

KA$%LS&'%L(%(

KA$%LUNS&'%L(%(

!)Apakah fungsi pin crimping tool*


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CONTOH CONTOHKABEL UNSHIELDED

DAN KABEL SHIELDED

KABEL UNSHIELDED

KABEL SHIELDED


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4

5istory Af Coaxial Cables5istory Af Coaxial Cables

8n3ented in 1; ;8n3ented in 1; ; , , Ariginal #on#ept #onsisted of a hollow pen#ilAriginal #on#ept #onsisted of a hollow pen#il --

si?ed #opper t&be with a #entral wire #ondtorsi?ed #opper t&be with a #entral wire #ondtors&spended in its #enter.s&spended in its #enter.

>T T established its first #ross>T T established its first #ross --#ontinental#ontinental#oaxial trans$ission syste$ in 1;41.#oaxial trans$ission syste$ in 1;41.

Used extensi3ely in $ilitary radar andUsed extensi3ely in $ilitary radar and#o$$&ni#ations syste$s by the $id#o$$&ni#ations syste$s by the $id --1;4/s.1;4/s.

KA$%L C+A,'ALKA$%L C+A,'AL

-Namakan peralatan di ba.ah/


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"

Coax Cable ConstrtionCoax Cable Constrtion

Consists of two #ondtors that share aConsists of two #ondtors that share a#o$$on axis. 5en#e the na$e D#oaxial.#o$$on axis. 5en#e the na$e D#oaxial.

These two #ondtors are separated by aThese two #ondtors are separated by asheath of ins&lating diele#tri# $aterial.sheath of ins&lating diele#tri# $aterial.

The o&ter #ondtorE $ade of #opper braidThe o&ter #ondtorE $ade of #opper braidor $eshE is in t&rn #o3ered by a to&ghor $eshE is in t&rn #o3ered by a to&gh

plasti# ja#ket whi#h for$s the o&ter #o3er. plasti# ja#ket whi#h for$s the o&ter #o3er.

+

Constrtion 'etailsConstrtion 'etails

6nd (iew6nd (iew

A&ter Condtor )a#ket

'iele#tri#

Center Condtor


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2

8$portant Cable Chara#teristi#s8$portant Cable Chara#teristi#s

No$inal 8$pedan#e No$inal 8$pedan#e , , Total opposition to #&rrent flowTotal opposition to #&rrent flow

(elo#ity of Propagation(elo#ity of Propagation , , Signal speed in #able #o$pared to free spa#eSignal speed in #able #o$pared to free spa#e

No$inal Capa#itan#e No$inal Capa#itan#e , , Cable #apa#itan#eE in p:9ftCable #apa#itan#eE in p:9ft

No$inal >tten&ation No$inal >tten&ation

, , 'e#rease in #able signal powerE in db9ft'e#rease in #able signal powerE in db9ft

1

5ow 'iele#tri# 7aterial and5ow 'iele#tri# 7aterial andThi#kness >ffe#t Capa#itan#eThi#kness >ffe#t Capa#itan#e

>ir or a 3a#&&$ is #onsidered to ha3e a>ir or a 3a#&&$ is #onsidered to ha3e adiele#tri# #onstant of 1 while #o$$on #oaxdiele#tri# #onstant of 1 while #o$$on #oaxdiele#tri#s range fro$ to .4. The lowerdiele#tri#s range fro$ to .4. The lowerthis n&$berE the lower the #apa#itan#e.this n&$berE the lower the #apa#itan#e.

The greater the thi#kness of the diele#tri#EThe greater the thi#kness of the diele#tri#Ethe greater the spa#ing between thethe greater the spa#ing between the#ondtors and the lower the #apa#itan#e.#ondtors and the lower the #apa#itan#e.


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BAB A : &PENGENALAN PERALATAN DAN PIA'AIAN

&(1 PERALATAN)PERALATAN DALA$PENDA'AIAN KABEL K#PR#$

1( P*nc+d,-n t,,l2( R./0 crimping t,,l

&( ,a ial crimping t,,l/( Pin crimping t,,l0( ,a ial ca le 3 #TP ca le stripper


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&(2 KEPERL#AN PIA'AIAN DALA$PENDA'AIAN RANGKAIAN


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StSt


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SSt


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23206543 Jenis Jenis Kabel