{"id":94114,"date":"2020-01-14T08:30:08","date_gmt":"2020-01-14T07:30:08","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/port-usb-jak-to-dziala\/"},"modified":"2024-10-30T13:40:39","modified_gmt":"2024-10-30T12:40:39","slug":"port-usb-jak-to-funguje","status":"publish","type":"post","link":"https:\/\/botland.cz\/blog\/port-usb-jak-to-funguje\/","title":{"rendered":"Port USB &#8211; Jak to funguje?"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u010cas \u010dten\u00ed:<\/span> <span class=\"rt-time\"> 8<\/span> <span class=\"rt-label rt-postfix\">min.<\/span><\/span>\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"94114\" class=\"elementor elementor-94114 elementor-2462\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3a977104 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3a977104\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5c4fcd25\" data-id=\"5c4fcd25\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a40bbf1 elementor-widget elementor-widget-text-editor\" data-id=\"a40bbf1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Zaj\u00edmalo v\u00e1s n\u011bkdy, <strong>jak funguje port USB<\/strong> nebo pro\u010d za\u0159\u00edzen\u00ed p\u0159ipojen\u00e1 k po\u010d\u00edta\u010di funguj\u00ed bez instalace dal\u0161\u00edho softwaru?<\/p>\n<p><\/p>\n<p><\/p>\n<p>USB, jinak zn\u00e1m\u00e9 jako jako <strong>univerz\u00e1ln\u00ed s\u00e9riov\u00e1 sb\u011brnice<\/strong> (<strong>Universal Serial Bus<\/strong>), je v sou\u010dasnosti nejpopul\u00e1rn\u011bj\u0161\u00ed po\u010d\u00edta\u010dov\u00e9 rozhran\u00ed, kter\u00e9 se pou\u017e\u00edv\u00e1 mimo jin\u00e9 ke komunikaci. USB je v sou\u010dasnosti nejobl\u00edben\u011bj\u0161\u00ed po\u010d\u00edta\u010dov\u00e9 rozhran\u00ed, kter\u00e9 se pou\u017e\u00edv\u00e1 mimo jin\u00e9 ke komunikaci. Bylo \u0161iroce zavedeno spole\u010dnostmi, jako jsou Intel, Microsoft, DEC, IBM a Compaq, a z\u00e1rove\u0148 nahradilo star\u00e9 s\u00e9riov\u00e9 porty, jejich\u017e v\u00fdkon ji\u017e nebyl dostate\u010dn\u00fd. Jednou z nejd\u016fle\u017eit\u011bj\u0161\u00edch v\u00fdhod <b><a href=\"https:\/\/botland.cz\/115-usb-konektory\" data-wpel-link=\"internal\">USB<\/a><\/b> je jeho <strong>jednoduch\u00e9 a intuitivn\u00ed ovl\u00e1d\u00e1n\u00ed<\/strong>, kter\u00e9 umo\u017e\u0148uje ka\u017ed\u00e9mu u\u017eivateli p\u0159ipojit k po\u010d\u00edta\u010di nejr\u016fzn\u011bj\u0161\u00ed za\u0159\u00edzen\u00ed, jako jsou fotoapar\u00e1ty, mobiln\u00ed telefony, kamery, tablety, tisk\u00e1rny, skenery, kop\u00edrky, my\u0161i, kl\u00e1vesnice, p\u0159enosn\u00e9 disky a mnoho dal\u0161\u00edch. D\u00edky modern\u00edm port\u016fm sta\u010d\u00ed k p\u0159ipojen\u00ed konkr\u00e9tn\u00edho za\u0159\u00edzen\u00ed pouze zasunout z\u00e1str\u010dku. Instalace pot\u0159ebn\u00fdch ovlada\u010d\u016f je ve v\u011bt\u0161in\u011b p\u0159\u00edpad\u016f automatick\u00e1 a trv\u00e1 doslova okam\u017eiky. Kompatibilita se standardem plug and play v\u00fdznamn\u011b p\u0159isp\u011bla k popularizaci univerz\u00e1ln\u00ed s\u00e9riov\u00e9 sb\u011brnice. Port USB je kompatibiln\u00ed se v\u0161emi nejroz\u0161\u00ed\u0159en\u011bj\u0161\u00edmi opera\u010dn\u00edmi syst\u00e9my, jako jsou Windows, macOS, Linux a BSD, tak\u017ee jej mohou pou\u017e\u00edvat prakticky v\u0161ichni u\u017eivatel\u00e9 stoln\u00edch po\u010d\u00edta\u010d\u016f a notebook\u016f.        <strong>Jak funguje port USB?<\/strong> <strong>Jak\u00e9 jsou jeho typy a verze?<\/strong> <strong>Jak\u00e9 jsou rozd\u00edly mezi jednotliv\u00fdmi z\u00e1suvkami?<\/strong> To jsou nej\u010dast\u011bj\u0161\u00ed ot\u00e1zky za\u010d\u00ednaj\u00edc\u00edch informatik\u016f, elektronik\u016f a tak\u00e9 robotik\u016f.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9533227 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"9533227\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/botland.cz\/239-usb-kabely\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Kabely USB<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d9ac421 elementor-widget elementor-widget-text-editor\" data-id=\"d9ac421\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><\/p>\n<p><\/p>\n<p><\/p>\n<h2>Port USB &#8211; z\u00e1kladn\u00ed informace<\/h2>\n<p><\/p>\n<p><\/p>\n<p>P\u016fvodn\u011b byla sb\u011brnice USB ur\u010dena pouze jako rozhran\u00ed pro za\u0159\u00edzen\u00ed p\u0159en\u00e1\u0161ej\u00edc\u00ed data pomoc\u00ed telefon\u016f, ale postupem \u010dasu se jej\u00ed mo\u017enosti zna\u010dn\u011b roz\u0161\u00ed\u0159ily. K jednomu portu USB lze p\u0159ipojit a\u017e 127 za\u0159\u00edzen\u00ed. To je samoz\u0159ejm\u011b mo\u017en\u00e9 pouze p\u0159i pou\u017eit\u00ed speci\u00e1ln\u011b navr\u017een\u00fdch za\u0159\u00edzen\u00ed. <a href=\"https:\/\/botland.cz\/485-usb-rozbocovace\" data-wpel-link=\"internal\"><b>rozbo\u010dova\u010d\u016f<\/b><\/a>vybaven\u00fdch vlastn\u00edm zdrojem nap\u00e1jen\u00ed. Zpo\u010d\u00e1tku se port USB (verze 2.0) vyzna\u010doval proudem 500 mA a nap\u011bt\u00edm 5 V. V sou\u010dasnosti se v\u0161ak pou\u017e\u00edv\u00e1 pouze pro USB. P\u016fvodn\u011b se p\u0159edpokl\u00e1dalo, \u017ee USB vytla\u010d\u00ed v\u0161echny ostatn\u00ed porty, jako jsou PS\/2, MIDI, LPT a RS-232, ale v praxi jsou dnes velmi vz\u00e1cn\u00e9 pouze prvn\u00ed dva jmenovan\u00e9. Dodnes je komunikace mnoha za\u0159\u00edzen\u00ed, jako jsou nap\u0159\u00edklad \u0159\u00eddic\u00ed jednotky spravuj\u00edc\u00ed syst\u00e9my pro zachycov\u00e1n\u00ed dus\u00edku v n\u00e1mo\u0159n\u00edm pr\u016fmyslu, zalo\u017eena na rozhran\u00ed RS-232.    <\/p>\n<p><\/p>\n<p><\/p>\n<p>V p\u0159\u00edpad\u011b portu USB plat\u00ed pravidlo jednoho hostitele. V praxi to znamen\u00e1, \u017ee pouze jedno za\u0159\u00edzen\u00ed m\u016f\u017ee spravovat ostatn\u00ed. Mimo jin\u00e9 proto nen\u00ed mo\u017en\u00e9 propojit dva po\u010d\u00edta\u010de pomoc\u00ed kabelu USB (k tomu je t\u0159eba jin\u00fd typ kabelu USB).  <\/p>\n<p><\/p>\n<p><\/p>\n<h2>Port USB &#8211; princip \u010dinnosti<\/h2>\n<p><\/p>\n<p><\/p>\n<p>Existuj\u00ed r\u016fzn\u00e9 typy a verze USB, ale princip z\u016fst\u00e1v\u00e1 stejn\u00fd. V kabelu jsou vodi\u010de spojuj\u00edc\u00ed z\u00e1str\u010dky. V z\u00e1vislosti na generaci jich je r\u016fzn\u00fd po\u010det, ale p\u0159esto je v\u017edy dr\u00e1t zodpov\u011bdn\u00fd za uzemn\u011bn\u00ed, odes\u00edl\u00e1n\u00ed a p\u0159\u00edjem dat a nap\u011bt\u00ed. Jakmile je vodi\u010d p\u0159ipojen k jednomu nebo v\u00edce za\u0159\u00edzen\u00edm, p\u0159id\u011bl\u00ed jim adresy. Dal\u0161\u00edm krokem je zjistit, jak, nebo jin\u00fdmi slovy v jak\u00e9m re\u017eimu, chce p\u0159ipojen\u00e9 za\u0159\u00edzen\u00ed komunikovat, tj. vym\u011b\u0148ovat si informace.    <\/p>\n<p><\/p>\n<p><\/p>\n<ul>\n<li><strong>Izochronn\u00ed re\u017eim<\/strong>, zn\u00e1m\u00fd tak\u00e9 jako izochronn\u00ed p\u0159enos, je jednosm\u011brn\u00fd a vyzna\u010duje se konstantn\u00ed rychlost\u00ed p\u0159enosu dat, a to i p\u0159i velk\u00e9m zat\u00ed\u017een\u00ed sb\u011brnice. Izochronn\u00ed re\u017eim se pou\u017e\u00edv\u00e1 v\u0161ude tam, kde je po\u017eadov\u00e1n konstantn\u00ed, nep\u0159eru\u0161ovan\u00fd tok paket\u016f, kter\u00e9 doraz\u00ed k p\u0159ij\u00edma\u010di v ur\u010dit\u00e9m \u010dase. Popsan\u00fd p\u0159enos se pou\u017e\u00edv\u00e1 mj. pro. V p\u0159\u00edpad\u011b reproduktor\u016f, kamer a dal\u0161\u00edch audiovizu\u00e1ln\u00edch za\u0159\u00edzen\u00ed. V p\u0159\u00edpad\u011b \u017eiv\u00e9ho p\u0159enosu by zpo\u017ed\u011bn\u00ed vypl\u00fdvaj\u00edc\u00ed z p\u0159enosu dat izochronn\u00edm re\u017eimem nem\u011blo p\u0159ekro\u010dit 150 ms pro zvuk a 50 ms pro obraz.    <\/li>\n<li><strong>\u0158\u00eddic\u00ed re\u017eimy,<\/strong> jak u\u017e n\u00e1zev napov\u00edd\u00e1, slou\u017e\u00ed k vyd\u00e1v\u00e1n\u00ed p\u0159\u00edkaz\u016f r\u016fzn\u00fdm typ\u016fm za\u0159\u00edzen\u00ed a p\u0159\u00edslu\u0161enstv\u00ed p\u0159ipojen\u00fdch p\u0159es port USB. Krom\u011b toho jsou b\u011bhem \u0159\u00eddic\u00edho p\u0159enosu p\u0159ij\u00edm\u00e1ny tak\u00e9 informace o stavu za\u0159\u00edzen\u00ed a jeho konfiguraci. Pro tento re\u017eim je maxim\u00e1ln\u00ed deklarovan\u00e1 d\u00e9lka pole 64 bajt\u016f. Pokud se po\u017eadavek vyzna\u010duje v\u011bt\u0161\u00edm mno\u017estv\u00edm dat, je automaticky rozd\u011blen do paket\u016f.   <\/li>\n<li>Mimo jin\u00e9 se pou\u017e\u00edvaj\u00ed <strong>p\u0159enosy nebo re\u017eimy p\u0159eru\u0161en\u00ed<\/strong>. pro ovl\u00e1d\u00e1n\u00ed po\u010d\u00edta\u010dov\u00fdch kl\u00e1vesnic a my\u0161\u00ed. Jejich princip fungov\u00e1n\u00ed spo\u010d\u00edv\u00e1 v tom, \u017ee se k za\u0159\u00edzen\u00ed nebo p\u0159\u00edslu\u0161enstv\u00ed p\u0159ipojuj\u00ed p\u0159eru\u0161ovan\u011b, ve stejn\u00fdch intervalech. D\u00e9lka a frekvence t\u011bchto interval\u016f je automaticky ur\u010dena p\u0159i jejich prvn\u00edm p\u0159ipojen\u00ed a li\u0161\u00ed se v z\u00e1vislosti na konkr\u00e9tn\u00edm p\u0159ij\u00edma\u010di.   <\/li>\n<li><strong>Hromadn\u00fd re\u017eim<\/strong> se nej\u010dast\u011bji pou\u017e\u00edv\u00e1 pro data, kter\u00e1 se vyzna\u010duj\u00ed velk\u00fdmi objemy. Hromadn\u00fd p\u0159enos se \u010dasto pou\u017e\u00edv\u00e1 p\u0159i p\u0159ipojen\u00ed k tisk\u00e1rn\u011b nebo skeneru. <\/li>\n<\/ul>\n<p><\/p>\n<p><\/p>\n<p> <\/p>\n<p><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-358353a elementor-widget elementor-widget-heading\" data-id=\"358353a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Konektory USB - typy a verze konektor\u016f <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-f9b2e90 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f9b2e90\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-70997ac\" data-id=\"70997ac\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5180ae4 elementor-widget elementor-widget-image\" data-id=\"5180ae4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"540\" height=\"540\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/01\/usb.jpg\" class=\"attachment-large size-large wp-image-56288\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/01\/usb.jpg 540w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/01\/usb-300x300.jpg 300w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/01\/usb-150x150.jpg 150w\" sizes=\"(max-width: 540px) 100vw, 540px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Kabel USB B na USB A (za z\u00e1str\u010dku zleva).<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-073add1\" data-id=\"073add1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9085b38 elementor-widget elementor-widget-image\" data-id=\"9085b38\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"540\" height=\"540\" src=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/01\/usb-c.jpg\" class=\"attachment-large size-large wp-image-56287\" alt=\"\" srcset=\"https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/01\/usb-c.jpg 540w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/01\/usb-c-300x300.jpg 300w, https:\/\/botland.cz\/blog\/wp-content\/uploads\/2020\/01\/usb-c-150x150.jpg 150w\" sizes=\"(max-width: 540px) 100vw, 540px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Kabel USB A - USB C (za z\u00e1str\u010dku zleva).<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-9621792 elementor-widget elementor-widget-text-editor\" data-id=\"9621792\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2><span style=\"font-family: Roboto; font-size: 1rem;\">S v\u00fdvojem technologi\u00ed se vyv\u00edjely i koncovky&nbsp;<\/span><a href=\"https:\/\/botland.cz\/239-usb-kabely\" style=\"background-color: rgb(255, 255, 255); font-family: Roboto; font-size: 1rem;\" data-wpel-link=\"internal\">USB kabel\u016f<\/a><span style=\"font-family: Roboto; font-size: 1rem;\">&nbsp;a port\u016f. Vzhledem k jejich odli\u0161n\u00e9mu tvaru nejsou vz\u00e1jemn\u011b kompatibiln\u00ed, ale v p\u0159\u00edpad\u011b, \u017ee u\u017eivatel pot\u0159ebuje zm\u011bnit standard, sta\u010d\u00ed pou\u017e\u00edt p\u0159\u00edslu\u0161n\u00fd k\u00f3d. &nbsp;<\/span><a href=\"https:\/\/botland.cz\/543-usb-adaptery\" style=\"background-color: rgb(255, 255, 255); font-family: Roboto; font-size: 1rem;\" data-wpel-link=\"internal\">adapt\u00e9ry<\/a><span style=\"font-family: Roboto; font-size: 1rem;\">.\nJak wygl\u0105da podzia\u0142 port\u00f3w USB ze wzgl\u0119du na kszta\u0142t wtyczki? <\/span><br><\/h2>\n<ul>\n<li><a href=\"https:\/\/botland.cz\/477-usb-a-b-kabely\" data-wpel-link=\"internal\"><b>USB typu A<\/b><\/a>&nbsp;je nejb\u011b\u017en\u011bj\u0161\u00ed verz\u00ed pro stoln\u00ed i p\u0159enosn\u00e9 po\u010d\u00edta\u010de. Pou\u017e\u00edv\u00e1 se tak\u00e9 v nab\u00edje\u010dk\u00e1ch mobiln\u00edch telefon\u016f, fotoapar\u00e1tech, videokamer\u00e1ch, hudebn\u00edch p\u0159ehr\u00e1va\u010d\u00edch a mnoha dal\u0161\u00edch za\u0159\u00edzen\u00edch. V r\u00e1mci portu USB typu A se tak\u00e9 rozli\u0161uje verze  &nbsp;<a href=\"https:\/\/botland.cz\/541-kabely-miniusb-20\" data-wpel-link=\"internal\">mini<\/a> &nbsp; a&nbsp;<a href=\"https:\/\/botland.cz\/542-kabely-microusb-20\" data-wpel-link=\"internal\"><b>micro<\/b><\/a>kter\u00e9 se montovaly do za\u0159\u00edzen\u00ed a periferi\u00ed p\u0159\u00edli\u0161 mal\u00fdch pro standardn\u00ed velikost portu.<\/li>\n<li><a href=\"https:\/\/botland.cz\/477-usb-a-b-kabely\" data-wpel-link=\"internal\"><b>USB typu B<\/b><\/a>&nbsp;se vyzna\u010duje m\u00edrn\u011b odli\u0161n\u00fdm, \u010dtvercov\u00fdm tvarem. Najdete je ve skeneru, tisk\u00e1rn\u011b a tak\u00e9 v obl\u00edben\u00fdch za\u0159\u00edzen\u00edch typu &#8220;v\u0161e v jednom&#8221;. V p\u0159\u00edpad\u011b tohoto proveden\u00ed m\u00e1me tak\u00e9 co do \u010din\u011bn\u00ed s verz\u00ed tzv.  &nbsp;<a href=\"https:\/\/botland.cz\/541-kabely-miniusb-20\" data-wpel-link=\"internal\">mini <\/a>&nbsp;a&nbsp;<a href=\"https:\/\/botland.cz\/542-kabely-microusb-20\" data-wpel-link=\"internal\">micro<\/a>.<\/li>\n<li>Obl\u00edben\u00e9&nbsp;<a href=\"https:\/\/botland.cz\/813-kabely-usb-c\" data-wpel-link=\"internal\"><b>USB typu C<\/b><\/a>&nbsp;se pou\u017e\u00edv\u00e1 mimo jin\u00e9 v modern\u00edch chytr\u00fdch telefonech. D\u00edky symetrick\u00e9mu designu zaru\u010duje pohodln\u00e9 pou\u017e\u00edv\u00e1n\u00ed. Pou\u017eit\u00ed velk\u00e9ho po\u010dtu pin\u016f zaji\u0161\u0165uje v\u0161estrann\u00e9 vyu\u017eit\u00ed tohoto standardu. USB typu C lze nap\u0159\u00edklad pou\u017e\u00edt k p\u0159ipojen\u00ed monitoru k po\u010d\u00edta\u010di. V sou\u010dasn\u00e9 dob\u011b tento standard pou\u017e\u00edv\u00e1 st\u00e1le v\u00edce v\u00fdrobc\u016f, tak\u017ee jeho obliba v\u00fdrazn\u011b roste.     <\/li>\n<\/ul>\n<p><span style=\"font-size: 1rem;\">&nbsp;<\/span><\/p>\n<p><span style=\"font-size: 1rem;\">Tvar z\u00e1suvky a sou\u010dasn\u011b i z\u00e1str\u010dky je do zna\u010dn\u00e9 m\u00edry ur\u010den zp\u016fsobem pou\u017eit\u00ed portu, proto je u\u017eite\u010dn\u00e9 zn\u00e1t rozd\u011blen\u00ed portu, abyste se v budoucnu vyhnuli chyb\u00e1m a omyl\u016fm p\u0159i n\u00e1kupu.<\/span><\/p>\n<p><\/p>\n<h2>Port USB &#8211; rozd\u011blen\u00ed podle \u0161\u00ed\u0159ky p\u00e1sma<\/h2>\n<p><\/p>\n<p>V po\u010d\u00e1tc\u00edch se standard USB t\u011b\u0161il jen mal\u00e9, pokud v\u016fbec n\u011bjak\u00e9, popularit\u011b. Teprve ve verzi 1.1 byl masov\u011b instalov\u00e1n na z\u00e1kladn\u00ed desky, ale vyu\u017eitelnost tohoto portu byla st\u00e1le zanedbateln\u00e1. Bylo to zp\u016fsobeno mj. To bylo mimo jin\u00e9 zp\u016fsobeno velmi omezen\u00fdm po\u010dtem za\u0159\u00edzen\u00ed a p\u0159\u00edslu\u0161enstv\u00ed komunikuj\u00edc\u00edch prost\u0159ednictv\u00edm USB a \u0161patnou dostupnost\u00ed ovlada\u010d\u016f. S rozhran\u00edm USB 1.1 bylo mo\u017en\u00e9 p\u0159en\u00e1\u0161et data rychlost\u00ed 1,5 Mb\/s nebo 12 Mb\/s. To se v\u0161ak nepoda\u0159ilo. V roce 2000 spat\u0159il sv\u011btlo sv\u011bta nov\u00fd, mnohem rychlej\u0161\u00ed, a tedy efektivn\u011bj\u0161\u00ed standard. Z hlediska tvaru se prakticky nic nezm\u011bnilo. B\u011bhem tohoto obdob\u00ed bylo vyvinuto mno\u017estv\u00ed p\u0159\u00edslu\u0161enstv\u00ed a za\u0159\u00edzen\u00ed vyu\u017e\u00edvaj\u00edc\u00edch rozhran\u00ed USB 2.0. Standard p\u0159edstaven\u00fd v roce 2000 pracuje v tzv. poloduplexn\u00edm re\u017eimu. V praxi to znamen\u00e1, \u017ee data lze p\u0159en\u00e1\u0161et pouze jedn\u00edm sm\u011brem, tj. z po\u010d\u00edta\u010de do p\u0159ipojen\u00e9ho za\u0159\u00edzen\u00ed nebo naopak. Nedoch\u00e1z\u00ed k p\u0159enosu dat ob\u011bma sm\u011bry sou\u010dasn\u011b. D\u00e9lka kabelu nep\u0159esahuje 5 m.           <\/p>\n<p><\/p>\n<p>Osm let po zaveden\u00ed standardu 2.0 se na trhu objevila nov\u00e1, rychlej\u0161\u00ed a je\u0161t\u011b v\u00fdkonn\u011bj\u0161\u00ed verze 3.0, kter\u00e1 se vyzna\u010dovala nejen vy\u0161\u0161\u00ed rychlost\u00ed p\u0159enosu dat, ale tak\u00e9 proudem 900 mA. D\u00edky tomu v\u0161echny nab\u00edje\u010dky pracuj\u00edc\u00ed se standardem 3.0 dopl\u0148ovaly energii v nab\u00edjen\u00fdch \u010dl\u00e1nc\u00edch mnohem rychleji. Standard 3.0 nav\u00edc pracuje v tzv. pln\u011b duplexn\u00edm re\u017eimu, tj. nab\u00edz\u00ed mo\u017enost sou\u010dasn\u00e9ho odes\u00edl\u00e1n\u00ed a p\u0159ij\u00edm\u00e1n\u00ed dat hostitelem i klientem. Nov\u00fd standard je pln\u011b kompatibiln\u00ed s p\u0159edchoz\u00ed verz\u00ed. Pokud je za\u0159\u00edzen\u00ed podporuj\u00edc\u00ed verzi 3.0 p\u0159ipojeno k portu USB 2.0, rychlost p\u0159enosu dat se v\u017edy p\u0159izp\u016fsob\u00ed star\u0161\u00edmu konektoru. Celkov\u00e1 d\u00e9lka kabelu pro verzi 3.0 by nem\u011bla p\u0159es\u00e1hnout 3 metry.     <\/p>\n<p><\/p>\n<p>Rok 2013 p\u0159inesl dal\u0161\u00ed revoluci. Vzhledem k tomu, \u017ee soubory v\u0161eho druhu jsou st\u00e1le objemn\u011bj\u0161\u00ed, byl vytvo\u0159en nov\u00fd standard USB 3.1, kter\u00fd je nejen pln\u011b kompatibiln\u00ed s p\u0159edchoz\u00edmi verzemi USB, ale tak\u00e9 poskytuje rychlost p\u0159enosu dat a\u017e 10 Gb\/s. Stoj\u00ed tak\u00e9 za to v\u011bd\u011bt, \u017ee verze 3.0 byla p\u0159ejmenov\u00e1na na 3.1 1. generace, zat\u00edmco&nbsp; verze 3.1 byla p\u0159ejmenov\u00e1na na 3.1 2. generace.  <\/p>\n<p><\/p>\n<p>V roce 2017 byl ozn\u00e1men standard USB 3.2, kter\u00fd nab\u00edz\u00ed je\u0161t\u011b vy\u0161\u0161\u00ed rychlost p\u0159enosu dat a\u017e 20 Gbit\/s. Tento typ standardu je ur\u010den mj. Tento standard je ur\u010den mimo jin\u00e9 pro bezpe\u010dn\u00fd p\u0159enos soubor\u016f vyzna\u010duj\u00edc\u00edch se velmi velk\u00fdmi objemy. Po celou dobu se pracuje nejen na zv\u00fd\u0161en\u00ed kapacity rozhran\u00ed, ale tak\u00e9 na roz\u0161\u00ed\u0159en\u00ed jeho vyu\u017eit\u00ed.   <\/p>\n<p><\/p>\n<p>V r\u00e1mci konektoru 3.0 a jeho nov\u011bj\u0161\u00edch verz\u00ed existuj\u00ed tak\u00e9 r\u016fzn\u00e9 typy konektor\u016f. V elektronick\u00fdch za\u0159\u00edzen\u00edch mezi n\u011b pat\u0159\u00ed. USB A, B, micro-B a C.  <\/p>\n<p><\/p>\n<h2>Komunika\u010dn\u00ed protokol USB<\/h2>\n<p><\/p>\n<p>V\u0161echna data odes\u00edlan\u00e1 nebo p\u0159ij\u00edman\u00e1 p\u0159es USB jsou rozd\u011blena do tzv. paket\u016f, kter\u00e9 obsahuj\u00ed \u0159\u00eddic\u00ed bity, pracovn\u00ed pole a identifik\u00e1tor. V p\u0159\u00edpad\u011b pracovn\u00edho pole nast\u00e1v\u00e1 situace, kdy m\u016f\u017ee obsahovat nejen \u0159\u00eddic\u00ed informace, ale tak\u00e9 r\u016fzn\u00e9 typy dat. Na za\u010d\u00e1tku ka\u017ed\u00e9ho paketu je pole identifik\u00e1toru, kter\u00e9 se skl\u00e1d\u00e1 ze 4bitov\u00e9ho k\u00f3du, podle kter\u00e9ho jsme schopni p\u0159esn\u011b identifikovat typ paketu. Identifik\u00e1tor, a to jak v hosetu, tak v klientovi, by m\u011bl b\u00fdt pln\u011b odlad\u011bn. V opa\u010dn\u00e9m p\u0159\u00edpad\u011b m\u016f\u017ee b\u00fdt cel\u00fd paket rozpozn\u00e1n jako po\u0161kozen\u00fd. Jak\u00e9 rozd\u00edly jsou mezi pakety p\u0159i p\u0159enosu dat?     <\/p>\n<p><\/p>\n<ul>\n<li>Pakety ozn\u00e1men\u00ed odes\u00edl\u00e1 hostitel, kter\u00fdm m\u016f\u017ee b\u00fdt nap\u0159\u00edklad stoln\u00ed nebo p\u0159enosn\u00fd po\u010d\u00edta\u010d. Ozn\u00e1men\u00ed jsou zas\u00edl\u00e1na za\u0159\u00edzen\u00ed nebo p\u0159\u00edslu\u0161enstv\u00ed p\u0159ipojen\u00e9mu k hostiteli s informac\u00ed o povaze operace ( SETUP, IN nebo OUT). Adresa koncov\u00e9ho bodu p\u0159ed\u00e1van\u00e1 v ohla\u0161ovac\u00edch pol\u00edch nen\u00ed nic jin\u00e9ho ne\u017e 7bitov\u00e1 adresa p\u0159\u00edslu\u0161enstv\u00ed nebo za\u0159\u00edzen\u00ed p\u0159ipojen\u00e9ho k portu USB. V p\u0159\u00edpad\u011b hl\u00e1\u0161en\u00ed OUT a SETUP se p\u0159ed\u00e1v\u00e1 koncov\u00e1 adresa, zat\u00edmco v p\u0159\u00edpad\u011b IN po\u010d\u00e1te\u010dn\u00ed adresa.   <\/li>\n<li>Po\u010det bajt\u016f v poli datov\u00fdch paket\u016f se li\u0161\u00ed mimo jin\u00e9 t\u00edm, \u017ee v z\u00e1vislosti na frekvenci p\u0159enosu. \u010c\u00edm je vy\u0161\u0161\u00ed, t\u00edm je bajt\u016f v\u00edce, ale v ka\u017ed\u00e9m p\u0159\u00edpad\u011b mus\u00ed j\u00edt o cel\u00e9 \u010d\u00edslo. Existuj\u00ed \u010dty\u0159i typy datov\u00fdch paket\u016f, a to MDATA, DATA2, DATA1 a DATA0.   <\/li>\n<li>Pakety odpov\u011bd\u00ed, jak u\u017e n\u00e1zev napov\u00edd\u00e1, slou\u017e\u00ed k odes\u00edl\u00e1n\u00ed zp\u011btn\u00e9 vazby. Existuj\u00ed \u010dty\u0159i pakety odpov\u011bd\u00ed. Prvn\u00ed je akcepta\u010dn\u00ed, co\u017e je potvrzen\u00ed spr\u00e1vn\u00e9ho p\u0159ijet\u00ed dat. V tomto p\u0159\u00edpad\u011b se nevyskytuj\u00ed \u017e\u00e1dn\u00e9 chyby ani odchylky od normy. V\u0161e funguje spr\u00e1vn\u011b. Dal\u0161\u00edm typem odezvy je nep\u0159ijet\u00ed, kter\u00e9 m\u016f\u017ee znamenat, \u017ee data nen\u00ed povoleno p\u0159ij\u00edmat nebo \u017ee nejsou \u017e\u00e1dn\u00e1 data, kter\u00e1 by byla aktu\u00e1ln\u011b p\u0159ipravena k odesl\u00e1n\u00ed. Dal\u0161\u00ed mo\u017enou odpov\u011bd\u00ed je zablokovan\u00fd bod. V t\u00e9to situaci za\u0159\u00edzen\u00ed nebo p\u0159\u00edslu\u0161enstv\u00ed p\u0159ipojen\u00e9 p\u0159es port USB informuje hostitele, tj. stoln\u00ed po\u010d\u00edta\u010d, \u017ee je blokov\u00e1no a \u017ee je t\u0159eba podniknout kroky. Je t\u0159eba v\u011bd\u011bt, \u017ee tento typ odpov\u011bdi odes\u00edl\u00e1 pouze za\u0159\u00edzen\u00ed p\u0159ipojen\u00e9 k \u0159\u00eddic\u00ed jednotce, nikdy ne naopak. Existuje tak\u00e9 odpov\u011b\u010f oznamuj\u00edc\u00ed, \u017ee \u0159\u00eddic\u00ed jednotka nen\u00ed p\u0159ipravena p\u0159ijmout dal\u0161\u00ed paket, co\u017e znamen\u00e1, \u017ee p\u0159ijala pr\u00e1v\u011b p\u0159en\u00e1\u0161en\u00e1 data, ale \u017ee pro dal\u0161\u00ed paket nen\u00ed voln\u00e9 m\u00edsto.         <\/li>\n<li>Rozli\u0161ujeme tak\u00e9 tzv. speci\u00e1ln\u00ed bal\u00ed\u010dky, kter\u00e9 obsahuj\u00ed jeden bal\u00ed\u010dek odpov\u011bd\u00ed a a\u017e 3 ozn\u00e1men\u00ed. V p\u0159\u00edpad\u011b odezvy m\u00e1me co do \u010din\u011bn\u00ed s bal\u00ed\u010dkem ERR, jeho\u017e hlavn\u00edm \u00fakolem je ozna\u010dit chyby a odchylky od normy b\u011bhem operac\u00ed rozd\u011blen\u00ed. V p\u0159\u00edpad\u011b hl\u00e1\u0161en\u00ed PRE vys\u00edl\u00e1 \u0159\u00eddic\u00ed po\u010d\u00edta\u010d informace za\u0159\u00edzen\u00ed nebo p\u0159\u00edslu\u0161enstv\u00ed, kter\u00e9 vys\u00edl\u00e1 data na n\u00edzk\u00e9 frekvenci. V tomto p\u0159\u00edpad\u011b je riziko chybn\u00e9ho \u010dten\u00ed sn\u00ed\u017eeno na minimum. Pou\u017e\u00edv\u00e1 se mimo jin\u00e9 hl\u00e1\u0161en\u00ed PING. k identifikaci p\u0159ij\u00edma\u010de v p\u0159\u00edpad\u011b operac\u00ed OUT, kter\u00e9 se vyzna\u010duj\u00ed vysokou frekvenc\u00ed. Hl\u00e1\u0161en\u00ed typu SPLIT se pou\u017e\u00edv\u00e1 v p\u0159\u00edpad\u011b rozd\u011blen\u00e9 operace.      <\/li>\n<\/ul>\n<h2>Jak se identifikuj\u00ed chyby?<\/h2>\n<p><\/p>\n<p>P\u0159i p\u0159ipojen\u00ed jin\u00e9ho za\u0159\u00edzen\u00ed nebo p\u0159\u00edslu\u0161enstv\u00ed k \u0159\u00eddic\u00edmu po\u010d\u00edta\u010di p\u0159es USB doch\u00e1z\u00ed k v\u00fdm\u011bn\u011b dat, jej\u00ed\u017e spr\u00e1vnost se kontroluje n\u011bkolika r\u016fzn\u00fdmi zp\u016fsoby. V p\u0159\u00edpad\u011b klienta se kontroluje spr\u00e1vnost pravidla vkl\u00e1d\u00e1n\u00ed bit\u016f, kontroln\u00ed sou\u010dty a tak\u00e9 kontroln\u00ed bity identifik\u00e1toru typu PID. Pokud je zji\u0161t\u011bna jak\u00e1koli nesrovnalost, je cel\u00fd p\u0159enos p\u0159enesen znovu. V p\u0159\u00edpad\u011b, \u017ee p\u0159\u00edjemce potvrdil pravdivost p\u0159enosu dat a b\u011bhem p\u0159enosu se vyskytnou chyby, m\u016f\u017ee b\u00fdt cel\u00fd p\u0159enos pova\u017eov\u00e1n za ne\u00fasp\u011b\u0161n\u00fd pokus. Mnohdy se st\u00e1v\u00e1, \u017ee jsou data odesl\u00e1na znovu. Klient, zn\u00e1m\u00fd tak\u00e9 jako p\u0159\u00edjemce, je v\u0161ak vybaven syst\u00e9mem, kter\u00fd zabra\u0148uje op\u011btovn\u00e9mu odesl\u00e1n\u00ed stejn\u00fdch dat, tj. opakovan\u00e9mu p\u0159enosu. V tomto p\u0159\u00edpad\u011b jsou PIDy, p\u0159esn\u011bji \u0159e\u010deno jejich kompatibilita s 1bitov\u00fdmi p\u0159ep\u00edna\u010di, kontrolov\u00e1ny nejen na p\u0159ij\u00edma\u010di, ale tak\u00e9 na vys\u00edla\u010di.      <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ee337b0 elementor-widget elementor-widget-text-editor\" data-id=\"ee337b0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>\u0158e\u0161en\u00ed probl\u00e9m\u016f s USB<\/h2>\n<p> <\/p>\n<p><span style=\"font-size: 1rem;\">Pokud k portu p\u0159ipoj\u00edte za\u0159\u00edzen\u00ed nebo p\u0159\u00edslu\u0161enstv\u00ed a opera\u010dn\u00ed syst\u00e9m je nedetekuje, je vhodn\u00e9 vyhledat ovlada\u010de na vlastn\u00ed p\u011bst. Pokud v\u00fdrobce nep\u0159ilo\u017e\u00ed disk s pot\u0159ebn\u00fdm softwarem, vyplat\u00ed se p\u0159ej\u00edt na jeho webov\u00e9 str\u00e1nky a vyhledat ovlada\u010de ur\u010den\u00e9 pro na\u0161e za\u0159\u00edzen\u00ed. Po sta\u017een\u00ed a instalaci do po\u010d\u00edta\u010de by m\u011bl syst\u00e9m p\u0159ipojen\u00fd hardware detekovat. Dal\u0161\u00edm \u010dast\u00fdm probl\u00e9mem je zak\u00e1zan\u00fd port USB v syst\u00e9mu BIOS. Pokud nainstalujete dal\u0161\u00ed ovlada\u010de, nic nepom\u016f\u017ee. Je t\u0159eba vstoupit do syst\u00e9mu BIOS a ozna\u010dit konkr\u00e9tn\u00ed port USB jako aktivn\u00ed. Za\u010d\u00ednaj\u00edc\u00ed u\u017eivatel\u00e9 po\u010d\u00edta\u010d\u016f by m\u011bli po\u017e\u00e1dat o pomoc zku\u0161en\u011bj\u0161\u00ed osoby. Nez\u0159\u00eddka doch\u00e1z\u00ed k mechanick\u00e9mu po\u0161kozen\u00ed z\u00e1suvek, z\u00e1str\u010dek nebo kabel\u016f. Nem\u011bly by se pou\u017e\u00edvat od\u0159en\u00e9 kabely, kter\u00e9 jednak nemus\u00ed spr\u00e1vn\u011b fungovat a jednak jsou nebezpe\u010dn\u00e9 pro u\u017eivatele, po\u010d\u00edta\u010d i p\u0159ipojen\u00e1 za\u0159\u00edzen\u00ed a p\u0159\u00edslu\u0161enstv\u00ed. Po\u0161kozen\u00e9 kabely je t\u0159eba \u0159\u00e1dn\u011b zlikvidovat a zakoupit nov\u00e9. Pokud byly kontakty v portu USB po\u0161kozeny, neopravujte je sami, zejm\u00e9na pokud je p\u0159ipojen po\u010d\u00edta\u010d nebo jin\u00e9 za\u0159\u00edzen\u00ed. Nejlep\u0161\u00edm \u0159e\u0161en\u00edm je nechat cel\u00fd port vym\u011bnit v odborn\u00e9m po\u010d\u00edta\u010dov\u00e9m servisu. Dal\u0161\u00edm \u010dast\u00fdm probl\u00e9mem je nekompatibilita. Je t\u0159eba si uv\u011bdomit, \u017ee ne v\u0161echna za\u0159\u00edzen\u00ed a p\u0159\u00edslu\u0161enstv\u00ed funguj\u00ed s ka\u017ed\u00fdm opera\u010dn\u00edm syst\u00e9mem. P\u0159ed zakoupen\u00edm konkr\u00e9tn\u00edho za\u0159\u00edzen\u00ed je nutn\u00e9 si podrobn\u011b p\u0159e\u010d\u00edst n\u00e1vod k obsluze, kter\u00fd obsahuje mimo jin\u00e9 informace o kompatibilit\u011b. Kompatibilita.               <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-636a87b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"636a87b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-742e4ca\" data-id=\"742e4ca\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-de0d6a1 elementor-widget elementor-widget-text-editor\" data-id=\"de0d6a1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div id=\"k-faq-accord\">\n<h2>Port USB &#8211; FAQ<\/h2>\n\n<div class=\"tabs\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/FAQPage\">\n<div class=\"tab\" itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\"><input id=\"chck1\" type=\"checkbox\">\n<h3><label class=\"tab-label\" itemprop=\"name\" for=\"chck1\">Co je to port USB?<label><\/h3>\n<div class=\"tab-content\" itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\">\n\n<div itemprop=\"text\">Port USB se tak\u00e9 naz\u00fdv\u00e1 univerz\u00e1ln\u00ed s\u00e9riov\u00e1 sb\u011brnice (<em>Universal Serial Bus<\/em>), je nejb\u011b\u017en\u011bj\u0161\u00ed po\u010d\u00edta\u010dov\u00fd konektor ur\u010den\u00fd nejen ke komunikaci, ale tak\u00e9 k nab\u00edjen\u00ed p\u0159ipojen\u00fdch mobiln\u00edch za\u0159\u00edzen\u00ed. <\/div>\n\n<\/div>\n<\/div>\n\n<div class=\"tab\" itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\"><input id=\"chck2\" type=\"checkbox\">\n<h3><label class=\"tab-label\" itemprop=\"name\" for=\"chck2\">Jak\u00e9 jsou porty USB?<\/label><\/h3>\n<div class=\"tab-content\" itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\">\n\n<div itemprop=\"text\">Nejobl\u00edben\u011bj\u0161\u00ed je z\u00e1suvka USB typu A. V n\u011bkter\u00fdch za\u0159\u00edzen\u00edch lze nal\u00e9zt i men\u0161\u00ed verze t\u00e9to z\u00e1suvky, a to miniUSB a microUSB. Z\u00e1suvka USB typu B je mnohem m\u00e9n\u011b roz\u0161\u00ed\u0159en\u00e1, nicm\u00e9n\u011b na trhu existuj\u00ed i jej\u00ed zmen\u0161en\u00e9 verze, tedy mini a micro. Nejnov\u011bj\u0161\u00ed z\u00e1suvky USB typu C jsou standardizovan\u00e9 a dod\u00e1vaj\u00ed se pouze v jedn\u00e9 verzi.   <\/div>\n\n<\/div>\n<\/div>\n\n<div class=\"tab\" itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\"><input id=\"chck3\" type=\"checkbox\">\n<h3><label class=\"tab-label\" itemprop=\"name\" for=\"chck3\">Co lze p\u0159ipojit k portu USB?<\/label><\/h3>\n<div class=\"tab-content\" itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\">\n\n<div itemprop=\"text\">K portu USB lze p\u0159ipojit v\u0161echna kompatibiln\u00ed za\u0159\u00edzen\u00ed, kter\u00e1 pou\u017e\u00edvaj\u00ed univerz\u00e1ln\u00ed s\u00e9riovou sb\u011brnici pro p\u0159enos dat nebo nab\u00edjen\u00ed. Pat\u0159\u00ed mezi n\u011b nejen chytr\u00e9 telefony a tablety, ale tak\u00e9 tisk\u00e1rny, skenery, fotoapar\u00e1ty, kamery, <a href=\"https:\/\/botland.cz\/482-pocitacove-prislusenstvi\" data-wpel-link=\"internal\">po\u010d\u00edta\u010dov\u00e9 p\u0159\u00edslu\u0161enstv\u00ed<\/a> a mnoho dal\u0161\u00edch.  <\/div>\n\n<\/div>\n<\/div>\n\n<div class=\"tab\" itemprop=\"mainEntity\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Question\"><input id=\"chck4\" type=\"checkbox\">\n<h3><label class=\"tab-label\" itemprop=\"name\" for=\"chck4\">Jak zkontroluji port USB v po\u010d\u00edta\u010di?<\/label><\/h3>\n<div class=\"tab-content\" itemprop=\"acceptedAnswer\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Answer\">\n\n<div itemprop=\"text\">Chcete-li zkontrolovat port USB v po\u010d\u00edta\u010di, sta\u010d\u00ed p\u0159ipojit za\u0159\u00edzen\u00ed nebo p\u0159\u00edslu\u0161enstv\u00ed, kter\u00e9 komunikuje prost\u0159ednictv\u00edm univerz\u00e1ln\u00ed s\u00e9riov\u00e9 sb\u011brnice. Pokud po\u010d\u00edta\u010d p\u0159ipojen\u00e1 za\u0159\u00edzen\u00ed rozpozn\u00e1, v\u0161e funguje spr\u00e1vn\u011b. U\u017eivatel\u00e9 syst\u00e9mu Windows mohou zkontrolovat, zda port USB funguje spr\u00e1vn\u011b, ve spr\u00e1vci za\u0159\u00edzen\u00ed. Jakmile je po\u010d\u00edta\u010d zv\u00fdrazn\u011bn, klikn\u011bte na tla\u010d\u00edtko &#8220;akce&#8221; a pot\u00e9 na tla\u010d\u00edtko &#8220;vyhledat zm\u011bny hardwaru&#8221;. V dal\u0161\u00edm kroku zkontrolujte, zda port USB funguje spr\u00e1vn\u011b.     <\/div>\n\n<\/div>\n<\/div>\n\n\n<\/div>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>&#8220;Universal Serial Bus&#8221; nie ma nic wsp\u00f3lnego z serialami, z transportem ani z wytw\u00f3rni\u0105 muzyczn\u0105. Ka\u017cdy u\u017cywa, a nie ka\u017cdy wie co to. Pora to zmieni\u0107.<\/p>\n","protected":false},"author":5,"featured_media":60152,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[549],"tags":[],"class_list":["post-94114","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kompendium-cs"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Port USB - Jak funguje? Typy, druhy, kabely, konektory - BotlandS<\/title>\n<meta name=\"description\" content=\"Jak funguje port USB? Z\u00e1kladn\u00ed informace o univerz\u00e1ln\u00ed s\u00e9riov\u00e9 sb\u011brnici. 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