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Building a Simple Network

Cabling ininternetwork

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Network Interface Card

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Comparing Ethernet MediaRequirements

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Differentiating Between Connections

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1000BASE-T GBIC

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Cisco Fiber-Optic GBICs

Short wavelength (1000BASE-SX) Long wavelength/long haul (1000BASE-LX/LH) Extended distance (1000BASE-ZX)

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Unshielded Twisted-Pair Cable

Speed and throughput: 10 to 1000 Mb/s Average cost per node: Least expensive Media and connector size: Small Maximum cable length: Varies

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RJ-45 Connector

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RJ-45 Jack

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Cable 10BASE-T/100BASE-TX Straight-

Through

Pin Label Pin Label

1

2

34

56

7

8

TX+

TX-

RX+NC

NCRX-

NC

NC

1

2

34

56

7

8

TX+

TX-

RX+NC

NCRX-

NC

NC

Straight-Through Cable

Wires on cable

endsare in same order.

UTP Implementation (Straight-Through)

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Cable 10BASE-T or 100BASE-TX Straight-

Through

Crossover Cable

Some wires on cable

ends are crossed.

Pin Label Pin Label

1

2

34

56

7

8

TX+

TX-

RX+NC

NCRX-

NC

NC

1

2

34

56

7

8

TX+

TX-

RX+NC

NCRX-

NC

NC

EIA/TIAT568A

EIA/TIAT568B

UTP Implementation (Crossover)

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UTP Implementation: Straight-Through vs.Crossover

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Using Varieties of UTP

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WAN Multiple LANs

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Physical Layer: WANs

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Setting up a Console Connection

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