12687_color combination

8/7/2019 12687_color combination

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GURPREET SINGH CSE/IT

CONNECTING WIRES &CABLES

FOR NETWORKING


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4- CABLING LAN AND

WAN--------


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UTP Implementation

RJ stand for registered jack RJ-45


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CABLES USED FOR DIFFERENT

PURPOSES Straight-through cablesare used

forconnecting computersto a hub.

Crossed cables are used forconnecting a hubto another hub (theexception to thisis when some hubshavethebuilt-in uplink portthatis

crossedinternally, which allowsyouto uplink


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CROSSED OVER CABLING


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UTP Implementation Straight-through cable: Wires on

cable ends are in same order

Cross-over cable: The orange wirepair and the green wire pairswitch places on one end of thecable

Roll-over cable


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UTP ImplementationUse straight-through cables for the following

connections: Switch to router Switch to PC or server

Hub to PC or server

Use crossover cables for the following connections: Switch to switch Switch to hub Hub to hub

Router to router PC to PC Router to PC


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UTP Implementation


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In atwisted-pair network,computersarearrangedin a

star pattern as mentionedearlier.


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A TWISTED PAIR NETWORK


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TWISTED PAIR TWISTED PAIR (also known as 10BaseT) is

ideal forsmall, medium, orlarge networksthatneed flexibilityandthecapacityto expandas

the number of network users grows. 10BaseTcabling looksverysimilarto that ofcommontelephonecable,although instead four (4)wires,thereareeight (8wisted-pair (also known as

10BaseT) isideal forsmall, medium, orlarge networks


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TWISTED PAIR Therearedifferent grades, or

categories, oftwisted-paircabling.C

ategory 5isthe mostreliableandwidelycompatible,andisrecommendedby most networkdesigners. Itrunseasily with 10Mbps

networks,andisrequired for FastEthernet


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Thin Coax Cabling Thin coax (also known as 10Base2) is great forsmall

home or office networks with two orthreecomputers.Similarto thecabling usedto connecta VCR to a TV set,coaxcabling isinexpensiveandeasyto set up anddoes

notrequirea hub.

In athin coax network, which issometimescalledabackbone,computersarearrangedin a "chain" with abeginning an . Each computerin abackbonerequiresanetwork card,a T-connector,andatleast oneincoming

or outgoing coaxcable.


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THIN COAX CABLING

12687_color combination

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