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Syngress - Eleventh Hour Network+ Exam N10-004 Study Guide (11 ...

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Cabling 25<br />

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■<br />

Simplex It refers to data moving in a single direction.<br />

Half-duplex It means data travels in both ways, but in only one direction<br />

at a time.<br />

Full duplex It means data travels simultaneously in both directions.<br />

CABLING<br />

Cabling is a term that can refer to the act of installing the cable and the work<br />

performed before installation begins. Because coaxial cable and twisted-pair cable<br />

are copper cables, and fiber-optic cable uses glass or plastic fibers, different issues<br />

may arise for each type of cable. There are significant differences in how they are<br />

created and installed.<br />

Copper Cabling<br />

Installation of cable requires tools which are used to cut and strip the cable and<br />

to attach the proper connector to the end of the cable. Some of these tools may<br />

include the following:<br />

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■<br />

■<br />

■<br />

Cable cutter is a tool which is used to cut the cable to the length you<br />

need.<br />

Cable stripper is a tool which is used to strip the cable jacket and expose<br />

the copper wire inside.<br />

Crimp tool is a tool which is used to attach the connectors to the cable.<br />

Connectors are tools that are attached at the ends of the cable.<br />

The pulling force of cabling refers to the amount of force or tension that can be<br />

placed on the cable without damaging it. The minimum bend radius of a cable<br />

refers to how far the cable can be bent before it is damaged.<br />

Fiber Cabling<br />

Fiber cabling also has bend radius and pull force ratings, and during installation,<br />

special tools will be needed to strip the cable so that the appropriate connector<br />

can be attached. These tools include the following:<br />

■<br />

■<br />

■<br />

Cable stripper or ring tool is a tool which is used to remove the plastic<br />

jacket of the cable without damaging the fibers.<br />

Kevlar shears is a tool which is used to cut the kevlar inside the fiber-optic<br />

cable.<br />

Connectors are tools that are attached at the ends of the cable.<br />

Preparing Twisted-Pair Cable<br />

Twisted-pair cabling uses color codes to specify the purpose of each wire and to<br />

make them easily identifiable. Because each wire belongs to a pair, the colors of<br />

each pair are the same, with one solid and the other striped. When connecting

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