The Specifications Of A Category 6 CableWhen you look at a category 6 cable, it's still quite an impressively fast cable for being such a simple cable. To be able to transfer up to 250 MHz, that's quite incredible when you're considering it can do that with wires. The CAT 6 has been quite an advance above category 5 cables. Cat 6 cables have better return loss, have better 'near end crosstalk (or NEXT), have equal ELFEXT (far end crosstalk) when compared with Category 5 cable. Category 6 is being used, oftentimes, in place of the old Category 5. Why shouldn't you put CAT6 in, if it has that much more potential. That way, if you get a system which can go faster than 100 MHz, and is less than 200 MHz (250 actually), then is very good. However, it means that the signal will have more of a chance from getting from point A to point B without that signal becoming unrecognizable.
If you compare a category 6 cable to HDMI cables, which are fiber optic quality cables used in the extremely fast-speed transfer of digital video and digital audio signals, there's not even the slightest hint of competition between the two. Fiber optic HDMI cables pass at GHz speeds. A Catetory 6 can only pass at 250 MHz at the top end, and a category 7 cable (which is backwards-compatible with both a CAT 5 and CAT 6 cable, as far as working if you plug it in) can only go to 1 GHz (1000 Mhz). In theory, a fiber optic audio cable might go the speed of light (186,000 miles per second). Fiber optics is coated. The coating protects the tiny fibers of glass, which are very delicate. They provide two coatings, so it'll be super strong. Just imagine how easy it is to break glass, and you'll understand why they have to take special care. However, one of the main reasons they're coated is to keep the glass from being scratched, which reduce the ability of the glass wall to reflect energy through the cable at top speeds. This is the main reason that signals passing through fiber optics can't just go the speed of light. Thus, a category 6 cable passing signals via a computer network cable in no way matches the speed that's seen when you pass it from point A to point B via optic fiber bundles. At those speeds you have to worry more about such things as 'microbending' and other things which can degrade such a fast signal as it's barreling down the tunnel towards the other end. If you have a fiber optic cable, and you're passing multiple signals through it, you also have to coat each tiny fiber optic with black to keep it from passing into a neighboring strand. Thus, the making of the fiber optic cable gets more and more complex. They would never have been able to develop fiber optic cables if they hadn't made it to bend as well as it can. The first cable they designed tended to be extremely fragile. One fracture and the cable is gone. A category 6 cable, transferring its signal via copper wire, has a far better capability of being bent. Wire has had great uses ever since they started using it to wire up electronics in the 1800s. In 1825, we had what we would call wire. However, Thomas B. Doolittle was the one who invented copper wire as we now use it. He invented hard-drawn wire, which the first time that a continuous strand of pure copper could go long distances. In 1877 the electrical wire mill service was started. Gennai Hiraga, in the 1700s, was the one who 'invented' electricity you might say; but it was a long time, until1928, until there was a good electrical code system being used in America which helped protect houses from burning to the ground. So, comparing to the first wires¡ a category 6 cable is quite advanced. Comparing to an HD video fiber optic cable, it isn't. |
US $7.00
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