The rest of the world relied on the cheaper and more installation-friendly unshielded UTP copper technology. Only shielded cabling components have been specified worldwide for this purpose. This is a revolution. The entire unshielded world will have to deal with the issue of shielding in the future! Here, preassembled cable trunks are often used. These connections are suitable for 10 Gigabit Ethernet.
Only a few power users need this today. All these Ethernet links can be implemented in UTP technology. However, the electromagnetic environment should also be considered. Nearby large machines, noticeable transmission interference can occur even with shielded connections.
Shielded network cables, also called shielded-twisted-pair or STP cables, contain an electrically conductive aluminum foil, a metal-vaporized foil or a metal braid. Unshielded data cables, also called unshielded twisted pair or UTP cables, do without. In UTP cables, the jacket and its mechanical equipment alone protect the four twisted pairs inside from outside influences. UTP cables up to category 6 are comparatively simple in design and correspondingly slim and flexible.
This is particularly advantageous for installations with high packing density. The specified transmission frequency here is MHz. Here, the electromagnetic influences between the cables do not play a serious role. For this reason, network managers worldwide mainly choose unshielded copper cables for category 6 components. This provides the highest level of protection against EMI and crosstalk. My Cart. The type of shielding a copper cables have can have a tremendous effect on the stability, performance, speed, and longevity of the cable and ultimately your network.
Unshielded twisted-pair UTP cable is the most prevalent type of telecommunication medium in use today. Its frequency range is suitable for transmitting both data and voice. Therefore, these are most commonly used in telephone systems. A twisted pair consists of two insulated conductors usually copper in a twisted configuration.
Color bands are used in plastic insulation for identification. In addition, colors also identify the specific conductors in a cable and to indicate which wires belong in pairs and how they relate to other pairs in a larger bundle. The two wires are twisted in the twisted pair cable which significantly reduces the noise generated by the external source.
The noise here we are talking about is generated when two wires are parallel which causes an increase in voltage level in the wire closest to the source and also uneven load and damaged signal. Shielded twisted-pair STP cable has an additional braided mesh coating or metal foil that wraps each set of insulated conductors. The metal casing intercepts the penetration of electromagnetic noise. UTP cables are often groups of twisted pairs grouped with color coded insulators, the number of which depends on the purpose.
Alternatives to UTP cable include coaxial cable and fiber optic cable. Inside a UTP cable, there are up to four twisted pairs of copper wires of copper wires, enclosed in a protective plastic cover, with the greater number of pairs corresponding to more bandwidth. The two individual wires in a single pair are twisted around each other and then the pairs are twisted around each other, as well.
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