[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.digitalweb.cz\/jak-vybrat-kabelaz\/#Article","mainEntityOfPage":"https:\/\/www.digitalweb.cz\/jak-vybrat-kabelaz\/","headline":"Jak vybrat kabel\u00e1\u017e","name":"Jak vybrat kabel\u00e1\u017e","description":"Z\u00e1kladn\u00edmi kabely pro p\u0159enos dat jsou kabel s\u00ed\u0165ov\u00fd, koaxi\u00e1ln\u00ed a optick\u00fd. V\u00a0\u010dem se li\u0161\u00ed a jak\u00e9 jsou jejich v\u00fdhody \u010di nev\u00fdhody? Jak daleko dosahuje jejich p\u0159enos? Zde najdete odpov\u011bdi. S\u00ed\u0165ov\u00fd kabel \u2013 kroucen\u00e1 dvojlinka Tento kabel se skl\u00e1d\u00e1 z\u00a0osmi vodi\u010d\u016f, kter\u00e9 jsou uspo\u0159\u00e1dan\u00e9 do dvojic a kroucen\u00e9. Kroucen\u00ed jim zajist\u00ed lep\u0161\u00ed st\u00edn\u011bn\u00ed a tak se […]","datePublished":"2023-04-28","dateModified":"2023-04-28","author":{"@type":"Person","@id":"https:\/\/www.digitalweb.cz\/author\/#Person","name":"digitalweb.cz\n","url":"https:\/\/www.digitalweb.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/2dfb47fe8ef5e1795dc8fdf9fc01f7f6e0de0c5b588d6a35abd2f00b6a65d2be?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/2dfb47fe8ef5e1795dc8fdf9fc01f7f6e0de0c5b588d6a35abd2f00b6a65d2be?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"digitalweb.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"url":"https:\/\/www.digitalweb.cz\/jak-vybrat-kabelaz\/","about":["Technika"],"wordCount":510,"articleBody":"Z\u00e1kladn\u00edmi kabely pro p\u0159enos dat jsou kabel s\u00ed\u0165ov\u00fd, koaxi\u00e1ln\u00ed a optick\u00fd. V\u00a0\u010dem se li\u0161\u00ed a jak\u00e9 jsou jejich v\u00fdhody \u010di nev\u00fdhody? Jak daleko dosahuje jejich p\u0159enos? Zde najdete odpov\u011bdi.\tS\u00ed\u0165ov\u00fd kabel \u2013 kroucen\u00e1 dvojlinkaTento kabel se skl\u00e1d\u00e1 z\u00a0osmi vodi\u010d\u016f, kter\u00e9 jsou uspo\u0159\u00e1dan\u00e9 do dvojic a kroucen\u00e9. Kroucen\u00ed jim zajist\u00ed lep\u0161\u00ed st\u00edn\u011bn\u00ed a tak se vz\u00e1jemn\u011b neru\u0161\u00ed. Najdeme jej pou\u017eit u po\u010d\u00edta\u010d\u016f a telefon\u016f \u2013 pevn\u00fdch linek. Jedn\u00e1 se o symetrick\u00e9 veden\u00ed, oba dva vodi\u010de z\u00a0kroucen\u00e9ho p\u00e1ru jsou toti\u017e rovnocenn\u00e9. M\u016f\u017eeme je rozd\u011blit do dev\u00edti t\u0159\u00edd. V\u011bt\u0161inou se v\u0161ak setk\u00e1te pouze se \u0161esti z\u00a0nich. Jsou to kategorie:Cat1, Cat2, Cat3, Cat4, Cat5, Cat5e, Cat6, Cat6a, Cat7, Class F, Class FaNavz\u00e1jem se od sebe li\u0161\u00ed \u0161\u00ed\u0159kou p\u00e1sma a rychlost\u00ed, jakou jsou schopny p\u0159en\u00e1\u0161et. P\u0159i\u010dem\u017e jak \u0161\u00ed\u0159ka p\u00e1sma, tak rychlost p\u0159enosu jsou vzestupn\u00e9 \u2013 Cat1 je tedy kabel kvality nejni\u017e\u0161\u00ed, zat\u00edmco Class Fa je kabel nejlep\u0161\u00ed kvality z\u00a0kroucen\u00fdch dvojlinek.Obecn\u011b plat\u00ed pro s\u00ed\u0165ov\u00e9 kabely typu kroucen\u00e1 dvojlinka, \u017ee jejich maxim\u00e1ln\u00ed dosah je 100 metr\u016f. Je tedy zbyte\u010dn\u00e9 p\u0159em\u00fd\u0161let o nich v\u00a0p\u0159\u00edpad\u011b nutnosti v\u00e9st kabel\u00e1\u017e del\u0161\u00ed dr\u00e1hu ne\u017e je on\u011bch 100 metr\u016f. Tak\u00e9 nen\u00ed mo\u017en\u00e9 d\u011blat odbo\u010dky. Pro v\u011btven\u00ed je nutn\u00e9 pou\u017eit\u00ed speci\u00e1ln\u00ed za\u0159\u00edzen\u00ed, jako je kup\u0159\u00edkladu switch, nebo router. Pro po\u010d\u00edta\u010de je pou\u017e\u00edv\u00e1n konektor RJ-45.\tKoaxi\u00e1ln\u00ed kabelV\u00a0po\u010d\u00edta\u010dov\u00fdch s\u00edt\u00edch se setk\u00e1me se dv\u011bma druhy koaxi\u00e1ln\u00edho kabelu \u2013 tenk\u00fdm a tlust\u00fdm. Tenk\u00fd dok\u00e1\u017ee v\u00e9st data a\u017e na vzd\u00e1lenost 185 metr\u016f. Tlust\u00fd je v\u0161ak dok\u00e1\u017ee v\u00e9st cel\u00fdch 500 metr\u016f. Je tak\u00e9 dvakr\u00e1t \u0161ir\u0161\u00ed. Oba dva maj\u00ed impedanci pades\u00e1t ohm\u016f. Velkou v\u00fdhodou t\u011bchto kabel\u016f je snadn\u00e9 vytv\u00e1\u0159en\u00ed odbo\u010dek.Je tak\u00e9 t\u0159eba kabel na rozd\u00edl od ostatn\u00edch dvou typ\u016f ukon\u010dit. V\u00fdhodou se tak\u00e9 m\u016f\u017ee st\u00e1t konektor, kter\u00fd nen\u00ed tak lehk\u00e9 vypojit. Pokud v\u00e1m n\u011bkdo kopne do kabelu, m\u016f\u017ee v\u00e1\u0161 po\u010d\u00edta\u010d sp\u00ed\u0161e odlet\u011bt spolu s\u00a0kabelem, ne\u017e aby se vypojil. Koaxi\u00e1ln\u00ed kabel se skl\u00e1d\u00e1 z\u00a0vnit\u0159n\u00edho, vn\u011bj\u0161\u00edho vodi\u010de a z\u00a0dvoj\u00ed izolace.\tOptick\u00fd kabelJe kabel tvo\u0159en\u00fd sklen\u011bn\u00fdmi, \u010di p\u0159\u00edpadn\u011b plastov\u00fdmi vl\u00e1kny. Jedn\u00e1 se o nejmodern\u011bj\u0161\u00ed kabel. Nep\u0159en\u00e1\u0161\u00ed nap\u011bt\u00ed, ale sv\u011btlo. To se odr\u00e1\u017e\u00ed od st\u011bn sklen\u011bn\u00e9ho vl\u00e1kna a tak doraz\u00ed a\u017e do c\u00edle skrze v\u0161echny zat\u00e1\u010dky. Nep\u016fsob\u00ed ne n\u011b elektromagnetick\u00e9 ru\u0161en\u00ed. Maj\u00ed vy\u0161\u0161\u00ed p\u0159enosovou rychlost a umo\u017e\u0148uj\u00ed p\u0159enos na del\u0161\u00ed vzd\u00e1lenost. Jsou bezpe\u010dn\u00e9 a zab\u00edraj\u00ed m\u00e9n\u011b m\u00edsta. Sou\u010d\u00e1st\u00ed kabelu je tak\u00e9 velmi pevn\u00e1 izolace b\u00edl\u00fdch vl\u00e1ken.                                                                                                                                                                                                                                                                                                                                                                                        4.7\/5 - (8 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Jak vybrat kabel\u00e1\u017e","item":"https:\/\/www.digitalweb.cz\/jak-vybrat-kabelaz\/#breadcrumbitem"}]}]