I have always been curious about learning the physical-layer specifications of an ethernet cable. When looking online to replace old ethernet cables, I always wondered what Cat3, Cat-5, RG-whatever actually meant. Having access to a list that explains in detail all the different available cable types, what they're made of, and their main purpose is exactly what I wanted to know for many years now. Not all cables transmit at the same speed either. I thought it was just their construction and length that differed, not the amount of data that could be transmitted. Some cables can do 100 Mbit/s, 1 Gbit/s, 2.5 and 5 Mbit/s, 10 Mbit/s, and the list just keeps going. Each cable has its application, and choosing what is best for your or your company's needs can save money.
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