Ethernet over twisted pair (original) (raw)

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Ethernet sobre parell trenat es refereix a la utilització de cables de coure que contenen cables aïllats trenats en parells per a la capa física d'una , és a dir, una xarxa en la qual el protocol Ethernet proporciona la capa d'enllaç de dades. Altres normes de cable d'Ethernet fan servir cable coaxial o fibra òptica. Hi ha diferents tipus de normes per a aquest medi físic basat a coure. Les més utilitzades són 10BASE-T, 100BASE-TX i 1000BASE-T, a velocitats de transmissió de 10 Mbit/s, 100Mbit/s, i 1000 Mbit/s (1 Gbit/s), respectivament.

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dbo:abstract Ethernet sobre parell trenat es refereix a la utilització de cables de coure que contenen cables aïllats trenats en parells per a la capa física d'una , és a dir, una xarxa en la qual el protocol Ethernet proporciona la capa d'enllaç de dades. Altres normes de cable d'Ethernet fan servir cable coaxial o fibra òptica. Hi ha diferents tipus de normes per a aquest medi físic basat a coure. Les més utilitzades són 10BASE-T, 100BASE-TX i 1000BASE-T, a velocitats de transmissió de 10 Mbit/s, 100Mbit/s, i 1000 Mbit/s (1 Gbit/s), respectivament. (ca) Ethernet po kroucené dvojlince (anglicky Ethernet over twisted pair) je v současnosti dominantní technologie počítačových sítí Ethernet, která jako přenosové médium fyzické vrstvy používá kabel s kroucenými páry, česky stručně nazývaný kroucená dvojlinka, případně strukturovaná kabeláž. Starší sítě Ethernet používaly dva typy koaxiálních kabelů, ale síť z roku 1984 ukázala možnost použití jednoduché a vedla k vývoji technologie 10BASE-T a jejích následníků , 1000BASE-T a podporujících postupně rychlosti 10, 100 Mbit/s a 1 a 10 Gbit/s. Uvedené technologie používají kabely od po zakončené modulárním konektorem 8P8C obsahující čtyři páry vodičů, první verze Ethernetu však vystačily s dvěma páry. (cs) Ethernet over twisted-pair technologies use twisted-pair cables for the physical layer of an Ethernet computer network. They are a subset of all Ethernet physical layers. Early Ethernet used various grades of coaxial cable, but in 1984, StarLAN showed the potential of simple unshielded twisted pair. This led to the development of 10BASE-T and its successors 100BASE-TX, 1000BASE-T and 10GBASE-T, supporting speeds of 10 and 100 megabit per second, then 1 and 10 gigabit per second respectively. Two new variants of 10 megabit per second Ethernet over a single twisted pair, known as 10BASE-T1S and 10BASE-T1L, were standardized in IEEE Std 802.3cg-2019. 10BASE-T1S has its origins in the automotive industry and may be useful in other short-distance applications where substantial electrical noise is present. 10BASE-T1L is a long-distance Ethernet, supporting connections up to 1 km in length. Both of these standards are finding applications implementing the Internet of things. The earlier standards use 8P8C modular connectors, and supported cable standards range from Category 3 to Category 8. These cables typically have four pairs of wires for each connection, although early Ethernet used only two of the pairs. Unlike the earlier -T standards, the -T1 interfaces were designed to operate over a single pair of conductors and introduce the use of two new connectors referred to as IEC 63171-1 and IEC 63171-6. (en)
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dbp:caption 8 (xsd:integer) Standard twisted-pair cable usable for most common types of Ethernet (en)
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rdfs:comment Ethernet sobre parell trenat es refereix a la utilització de cables de coure que contenen cables aïllats trenats en parells per a la capa física d'una , és a dir, una xarxa en la qual el protocol Ethernet proporciona la capa d'enllaç de dades. Altres normes de cable d'Ethernet fan servir cable coaxial o fibra òptica. Hi ha diferents tipus de normes per a aquest medi físic basat a coure. Les més utilitzades són 10BASE-T, 100BASE-TX i 1000BASE-T, a velocitats de transmissió de 10 Mbit/s, 100Mbit/s, i 1000 Mbit/s (1 Gbit/s), respectivament. (ca) Ethernet po kroucené dvojlince (anglicky Ethernet over twisted pair) je v současnosti dominantní technologie počítačových sítí Ethernet, která jako přenosové médium fyzické vrstvy používá kabel s kroucenými páry, česky stručně nazývaný kroucená dvojlinka, případně strukturovaná kabeláž. Starší sítě Ethernet používaly dva typy koaxiálních kabelů, ale síť z roku 1984 ukázala možnost použití jednoduché a vedla k vývoji technologie 10BASE-T a jejích následníků , 1000BASE-T a podporujících postupně rychlosti 10, 100 Mbit/s a 1 a 10 Gbit/s. (cs) Ethernet over twisted-pair technologies use twisted-pair cables for the physical layer of an Ethernet computer network. They are a subset of all Ethernet physical layers. Early Ethernet used various grades of coaxial cable, but in 1984, StarLAN showed the potential of simple unshielded twisted pair. This led to the development of 10BASE-T and its successors 100BASE-TX, 1000BASE-T and 10GBASE-T, supporting speeds of 10 and 100 megabit per second, then 1 and 10 gigabit per second respectively. (en)
rdfs:label Ethernet sobre parell trenat (ca) Ethernet po kroucené dvojlince (cs) Ethernet over twisted pair (en)
rdfs:seeAlso dbr:Category_5_cable dbr:Ethernet_physical_layer
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