雙絞線之所以使用廣泛,皆因它具有抗干擾能力強,傳輸距離遠,佈線容易,價格低廉等優點。那麼,常見雙絞線類型有哪些呢?
1.五類線:最大傳輸速率為100Mbps,主要用於100BASE-T和10BASE-T網絡,是最常用的以太網電纜。
2.超五類線:最大傳輸速率為250Mbps。與五類線相比,超五類線的性能得到很大的提高,而且衰減小,串擾少。
3.六類線:最大傳輸速率為1000Mbps,六類布線的傳輸性能遠遠高於超五類標準,最適用於傳輸速率高於1Gbps的應用。
4.超六類線:同樣最大傳輸速率為1000Mbps,但串擾、衰減和信噪比等方面都比六類線有較大的改善。
5.七類線:傳輸速率可達10 Gbps是ISO 7類/F級標準中最新的一種雙絞線,能適應萬兆位以太網技術的應用和發展。
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What are the common twisted pair types?
1. Cat.5: The maximum transmission rate is 100Mbps, which is mainly used in 100BASE-T and 10BASE-T networks. It is the most commonly used Ethernet cable.
2. Cat.5e: The maximum transmission rate is 250Mbps. Compared with Cat.5, Cat.5e has been greatly improved, with less attenuation and less crosstalk.
3.Cat.6: The maximum transmission rate is 1000Mbps. The Cat.6 is far higher than Cat.5 standard.
4. Cat.6a: The same maximum transmission rate is 1000Mbps, but the crosstalk, attenuation and signal-to-noise ratio are all greatly improved compared to Cat.6.
5. Cat.7: The transmission rate of up to 10 Gbps is the latest twisted pair in the ISO Class 7 / Class F standard, which can adapt to the application and development of 10 Gigabit Ethernet technology.
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