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    All computer devices such as a keyboard, a mouse, CPU, modem, etc., are

    connected using a Ethernet cable.

    Ethernet cables are determined and distinguished by their quality to

    handle the amount of transmission load.

    Types of Cables:

    A normal Ethernet cable

    Ethernet cable categories (CAT 3, CAT 5, CAT 5, CAT 5e, CAT 6, CAT 7)

    Ethernet crossover types. A normal Ethernet cable is used to connect a computer with other

    computer networking devices such as a switch or a router.

    Ethernet cable categories or the CAT series are defined on the basis of the

    speed that they can relay. Ethernet crossover cable in Ethernet cable wiring is designed for those

    devices which do not intend the use of a switch or a hub.

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    EthernetCable

    Categories

    (Cat)

    Cat 3

    This category was widely used as a voice cabling format amongcomputer network administrators in the 1990s.

    It is an unshielded twisted pair (UTP), that can carry up to 10 Mbit/s

    with a bandwidth performance of 16 MHz.

    It is part of a family of copper cabling standards defined jointly by

    the Electronic Industries Alliance and the Telecommunications

    Industry Association.

    Cat 3 is currently still in use in twoline telephone systems. It may be

    used for 10BASET Ethernet, token ring, or ATM25 networks

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    CAT3

    CAT4

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    Cat 4

    Cat 4 was mainly used in token ring networks and the cable consists offour unshielded twistedpair (UTP) wires, with a data rate of 16

    Mbit/s, and performance of up to 20 MHz.

    Cat 5 This is a twisted pair high signal integrity cable, that has three twists

    per inch of each twisted pair of 24 gouge copper wires within the

    cables. Cat 5 is used for 10/100Mb Ethernet and as a voice cabling

    format.

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    Cat 5e

    This category is an enhanced version of Cat 5, that preventsinterference between one unshielded twisted pair to another twisted

    pair running in parallel within the same cable (Far End Crosstalk

    FEXT). It works for 10/100Mb and 1000Mb Ethernet.

    Cat 6 It is very similar to Cat 5e and is a cable standard for Gigabyte Ethernet

    (considered better than Cat 5e) and

    other network protocols that are backward compatible

    with the Cat 5/5e and Cat 3 cable standards. Cat 6 is made up of larger

    gouge wires, that work for 10/100/1000Mb Ethernet.

    Cat 7

    This cable type is a standard for Ethernet and other interconnect

    technologies, that are backward compatible with traditional Cat 5 and

    Cat 6 Ethernet cables. As it has more strict specifications for crosstalk

    and system noise than Cat 6 and Cat 5e, its cables and the wires,

    within are completely shielded. the cable contains four twisted copper

    wire pairs and supports up to 600Mhz. 6SomyaKhanna(ACN2013)

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    The TIA/EIA 568A standard which was ratified in 1995, was replaced by

    the TIA/EIA 568B standard in 2002.

    These standards are usually referred to as 'A coding standard' and 'B

    coding standard'.

    Both the ends of the wire are connected to RJ45 connectors.Various tools

    are used to connect the RJ45 connectors to the wire, and these tools are

    known as crimping tools.

    PinT568A WiringStandard

    T568B WiringStandard

    1 White w/Green Stripe White w/Orange Stripe

    2 Green w/White Stripe Orange w/White Stripe

    3 White w/Orange Stripe White w/Green Stripe

    4 Blue w/White Stripe Blue w/White Stripe

    5 White w/Blue Stripe White w/Blue Stripe

    6 Orange w/White Stripe Green w/White Stripe

    7 White w/Brown Stripe White w/Brown Stripe

    8 Brown w/White Stripe Brown w/White Stripe 8SomyaKhanna(ACN2013)

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    T568AStraightThroughEthernet

    Cable

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    T568BStraightThroughEthernet

    Cable

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    RJ45 isaregisteredjackstandardforamodularconnectorusing8

    conductors,whichspecifiesthephysicalmaleandfemaleconnectorsas

    wellasthepinassignmentsofthewiresinatelephonecable.

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    Both the T568A and the T

    568B standard use Straight

    Through cables for

    Ethernet connections.

    If you require a cable to connect two Ethernet devices directly together

    without a hub or when you connect two hubs together, you will need touse a Crossover cable instead.

    In Crossover Ethernet cable wire one end using the T568A standard and

    the other end using the T568B standard.

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    RJ45

    Crossover

    Ethernet

    Cable

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    Howto

    Wire

    Ethernet

    Cable?

    1. The length of the Ethernet cable wire should not be more than 100 m.

    2. Peel off about one inch at one end of the wire. This can be done using a

    stripper knife.3. Untwist the internal wire as shown in the figure. Peel off about half an

    inch of the plastic coating of the internal wires. Flatten them such thatthere is no space left between them.

    4. Hold the RJ45 connector in your other hand with the clip of the

    connector hanging upside down.5. Push the wire through the connector till some part of the peeled wires

    come out. Internal wires should still be flat.

    6. Check the order of the wire. (A coding standard or B coding standard)

    7. Crimp the RJ45 connector using a crimping tool.

    8. Repeat this process for the other end of the wire as well.

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