{"id":31951,"date":"2026-04-27T09:11:43","date_gmt":"2026-04-27T07:11:43","guid":{"rendered":"https:\/\/www.md-elektronik.com\/?p=31951"},"modified":"2026-04-27T09:14:19","modified_gmt":"2026-04-27T07:14:19","slug":"pof","status":"publish","type":"post","link":"https:\/\/www.md-elektronik.com\/cs\/pof\/","title":{"rendered":"POF"},"content":{"rendered":"\n<h2><strong>Co znamen\u00e1 POF?<\/strong><\/h2>\n<p>POF (Plastic\/Polymer Optical Fiber \u2013 anglick\u00e9 normov\u00e9 ozna\u010den\u00ed) jsou optick\u00e1 vl\u00e1kna vyroben\u00e1 z plastu, nej\u010dast\u011bji z PMMA (polymethylmethakryl\u00e1tu). Skl\u00e1daj\u00ed se ze sv\u011btlo vedouc\u00edho j\u00e1dra a pl\u00e1\u0161t\u011b s ni\u017e\u0161\u00edm indexem lomu, d\u00edky \u010demu\u017e je sv\u011btlo vedeno j\u00e1drem prost\u0159ednictv\u00edm tot\u00e1ln\u00edho odrazu.<\/p>\n<p>Ve srovn\u00e1n\u00ed se sklen\u011bn\u00fdmi vl\u00e1kny jsou polymern\u00ed optick\u00e1 vl\u00e1kna flexibiln\u011bj\u0161\u00ed, robustn\u011bj\u0161\u00ed a mechanicky odoln\u011bj\u0161\u00ed. P\u0159en\u00e1\u0161ej\u00ed digit\u00e1ln\u00ed data pomoc\u00ed LED nebo laserov\u00e9ho sv\u011btla a jsou ide\u00e1ln\u00ed zejm\u00e9na pro kr\u00e1tk\u00e9 vzd\u00e1lenosti s vysok\u00fdmi po\u017eadavky na elektromagnetickou kompatibilitu (EMC), nap\u0159\u00edklad v palubn\u00edch s\u00edt\u00edch vozidel pro infotainment nebo asisten\u010dn\u00ed syst\u00e9my \u0159idi\u010de.<\/p>\n<h2><strong>Kde lze POF ve vozidle pou\u017e\u00edt?<\/strong><\/h2>\n<p>POF lze pou\u017e\u00edt v\u0161ude tam, kde je po\u017eadov\u00e1no rychl\u00e9 a odoln\u00e9 datov\u00e9 spojen\u00ed bez ru\u0161en\u00ed \u2013 nap\u0159\u00edklad v:<\/p>\n<ul>\n<li>syst\u00e9mech sb\u011brnice MOST pro p\u0159enos audia\/videa (P\u016fvodn\u00ed automobilov\u00e1 aplikace a\u017e do 150 Mbit\/s)<\/li>\n<li>\u0159e\u0161en\u00edch Ethernet-over-POF (nap\u0159. 1000BASE-RHC) pro \u0159\u00eddic\u00ed jednotky, kamery, displeje a spoje pro spr\u00e1vu bateri\u00ed ve vozidle.<\/li>\n<li>oblastech citliv\u00fdch na EMC, kde je nutn\u00e9 eliminovat elektromagnetick\u00e9mu ru\u0161en\u00ed (nap\u0159. v bl\u00edzkosti vysokonap\u011b\u0165ov\u00fdch kabel\u016f nebo v prost\u0159ed\u00ed se siln\u00fdm elektromagnetick\u00fdm zat\u00ed\u017een\u00edm)<\/li>\n<li>multimedi\u00e1ln\u00edch architektur\u00e1ch, nap\u0159. p\u0159ipojen\u00ed Infotainment, zesilova\u010d\u016f, rear-seat entertainment nebo couvac\u00edch kamer p\u0159es optick\u00e9 propojen\u00ed<\/li>\n<\/ul>\n<p>V modern\u00edch architektur\u00e1ch palubn\u00edch s\u00edt\u00ed umo\u017e\u0148uje POF spolehliv\u00fd p\u0159enos vysokofrekven\u010dn\u00edch dat, galvanick\u00e9 odd\u011blen\u00ed a z\u00e1rove\u0148 p\u0159isp\u00edv\u00e1 ke sn\u00ed\u017een\u00ed hmotnosti.<\/p>\n<h2><strong>Jak\u00e9 v\u00fdhody maj\u00ed POF oproti klasick\u00fdm m\u011bd\u011bn\u00fdm kabel\u016fm?<\/strong><\/h2>\n<p><u>Odolnost proti ru\u0161en\u00ed:<\/u><br \/>POF p\u0159en\u00e1\u0161\u00ed sv\u011btlo m\u00edsto elektrick\u00fdch sign\u00e1l\u016f, a je proto vysoce odoln\u00e9 v\u016f\u010di elektromagnetick\u00e9mu ru\u0161en\u00ed. Pod\u00e9l vl\u00e1kna nevznikaj\u00ed EMC probl\u00e9my \u2013 \u0159e\u0161it je t\u0159eba pouze elektroniku na konc\u00edch.<\/p>\n<p><u>Ni\u017e\u0161\u00ed hmotnost:<\/u><br \/>Kabely POF jsou v\u00fdrazn\u011b leh\u010d\u00ed (cca 60\u201370 %) ne\u017e st\u00edn\u011bn\u00e9 m\u011bd\u011bn\u00e9 kabely. P\u0159i del\u0161\u00edch tras\u00e1ch a v\u011bt\u0161\u00edm mno\u017estv\u00ed datov\u00fdch veden\u00ed tak lze ve vozidle v\u00fdrazn\u011b sn\u00ed\u017eit celkovou hmotnost.<\/p>\n<p><u>Vysok\u00e1 flexibilita:<\/u><br \/>POF kabely jsou flexibiln\u011bj\u0161\u00ed, proto\u017ee se skl\u00e1daj\u00ed ze dvou jednotliv\u00fdch vl\u00e1ken.<\/p>\n<p><u>Vysok\u00e9 p\u0159enosov\u00e9 rychlosti:<\/u><br \/>Komunika\u010dn\u00ed POF dle normy IEC 60793-2-40 (nap\u0159. kategorie A4a.2) umo\u017e\u0148uje p\u0159enos gigabitov\u00e9ho Ethernetu (1000BASE-RH\/RHC) na typick\u00e9 vzd\u00e1lenosti v automotive aplikac\u00edch, tedy v \u0159\u00e1du n\u011bkolika des\u00edtek metr\u016f.<\/p>\n<p><u>Jednoduch\u00e9 konektory:<\/u><br \/>Velk\u00fd pr\u016fm\u011br j\u00e1dra (cca 1 mm) zvy\u0161uje toleranci v\u016f\u010di nep\u0159esnostem a zne\u010di\u0161t\u011bn\u00ed. Konektory tak mohou b\u00fdt jednodu\u0161\u0161\u00ed a robustn\u011bj\u0161\u00ed (nap\u0159. Versatile-Link nebo automotive snap-in syst\u00e9my).<\/p>\n<p>D\u00edky t\u011bmto vlastnostem je POF ide\u00e1ln\u00edm \u0159e\u0161en\u00edm pro pou\u017eit\u00ed ve vozidlech s vysok\u00fdmi po\u017eadavky na EMC, n\u00edzkou hmotnost a kompaktn\u00ed instalaci.<\/p>\n<p>\u00a0<\/p>\n<h2><strong>Jak\u00e9 jsou technick\u00e9 vlastnosti POF?<\/strong><\/h2>\n<p><u>Struktura materi\u00e1lu:<\/u><\/p>\n<ul>\n<li>j\u00e1dro z PMMA (typicky ~980 \u00b5m) je obaleno vrstvou fluoropolymeru nebo fluorovan\u00e9ho akryl\u00e1tu (cladding). To je ide\u00e1ln\u00ed pro pou\u017eit\u00ed LED vys\u00edla\u010d\u016f, proto\u017ee d\u00edky odpov\u00eddaj\u00edc\u00edmu pr\u016fm\u011bru sv\u011bteln\u00e9ho ku\u017eele lze sv\u011btlo optim\u00e1ln\u011b nav\u00e1zat do vl\u00e1kna.<\/li>\n<li>vn\u011bj\u0161\u00ed ochrann\u00fd pl\u00e1\u0161\u0165 (nap\u0159. PE nebo PVC), celkov\u00fd pr\u016fm\u011br cca 2,2 mm<\/li>\n<\/ul>\n<p><u>\u00datlum:<\/u><\/p>\n<p>Typick\u00e9 hodnoty \u00fatlumu ~0,2 dB\/m v \u010derven\u00e9 spektr\u00e1ln\u00ed oblasti (nap\u0159. 650 nm) u komunika\u010dn\u00edch POF \u2013 vhodn\u00e9 pro vzd\u00e1lenosti a\u017e v \u0159\u00e1du des\u00edtek metr\u016f (nap\u0159. 0,5\u201340 m, v z\u00e1vislosti na syst\u00e9mu, po\u010dtu spoj\u016f a datov\u00e9 rychlosti).<\/p>\n<p><u>\u0160\u00ed\u0159ka p\u00e1sma:<\/u><\/p>\n<p>POF umo\u017e\u0148uje p\u0159enos dat a\u017e v gigabitov\u00e9m rozsahu. Aktu\u00e1ln\u00ed automotive \u0159e\u0161en\u00ed, jako je 1000BASE-RHC, dosahuj\u00ed rychlosti a\u017e 1 Gbit\/s v r\u00e1mci vozidlov\u00fdch s\u00edt\u00ed.<\/p>\n<p><u>Polom\u011br ohybu:<\/u><\/p>\n<p>Minim\u00e1ln\u00ed polom\u011br ohybu se obvykle pohybuje kolem 20\u201325 mm v z\u00e1vislosti na konstrukci kabelu a specifikaci v\u00fdrobce. Men\u0161\u00ed polom\u011br m\u016f\u017ee v\u00e9st ke zv\u00fd\u0161en\u00ed \u00fatlumu, proto se mu doporu\u010duje vyhnout.<\/p>\n<p><u>Konektory:<\/u><\/p>\n<p>Konektory POF se vyskytuj\u00ed v r\u016fzn\u00fdch konstruk\u010dn\u00edch variant\u00e1ch:<\/p>\n<ul>\n<li>snap-in (zacvak\u00e1vac\u00ed)<\/li>\n<li>bajonetov\u00e9 nebo zaji\u0161\u0165ovac\u00ed konektory<\/li>\n<li>modul\u00e1rn\u00ed automotive syst\u00e9my (nap\u0159. MOST, GEPOF)<\/li>\n<\/ul>\n<p>Jsou navr\u017eeny pro rychlou instalaci, spolehliv\u00e9 spojen\u00ed a mechanickou odolnost.<\/p>\n<h2><strong>Jak\u00e9 budouc\u00ed trendy ovliv\u0148uj\u00ed pou\u017eit\u00ed POF v oblasti automotive?<\/strong><\/h2>\n<p><u>POF schopn\u00e9 gigabitov\u00e9ho p\u0159enosu (GEPOF):<\/u><\/p>\n<p>D\u00edky standard\u016fm, jako jsou 1000BASE-RH\/-RHC, je dnes mo\u017en\u00e9 p\u0159en\u00e1\u0161et gigabitov\u00fd Ethernet p\u0159es POF. Toto \u0159e\u0161en\u00ed je ur\u010den\u00e9 p\u0159edev\u0161\u00edm pro automotive aplikace s vysok\u00fdmi po\u017eadavky na elektromagnetickou kompatibilitu (EMC).<\/p>\n<p><u>Laserov\u011b optimalizovan\u00e9 POF:<\/u><br \/>Modern\u00ed polymern\u00ed materi\u00e1ly a optimalizovan\u00e9 typy vl\u00e1ken (nap\u0159. dle IEC 60793-2-40 A4a.2) umo\u017e\u0148uj\u00ed vy\u0161\u0161\u00ed p\u0159enosov\u00e9 rychlosti a ni\u017e\u0161\u00ed \u00fatlum, zejm\u00e9na p\u0159i pou\u017eit\u00ed laserov\u00fdch zdroj\u016f.<\/p>\n<p><u>Z\u00f3nov\u00e9 architektury:<\/u><br \/>POF je d\u00edky sv\u00e9 odolnosti v\u016f\u010di ru\u0161en\u00ed vhodn\u00e9 pro pou\u017eit\u00ed v modern\u00edch z\u00f3nov\u00fdch E\/E architektur\u00e1ch. Umo\u017e\u0148uje nap\u0159\u00edklad vysokorychlostn\u00ed propojen\u00ed komponent v r\u00e1mci jedn\u00e9 z\u00f3ny p\u0159i zachov\u00e1n\u00ed EMC ochrany.<\/p>\n<p><u>Hybridn\u00ed syst\u00e9my:<br \/><\/u>Kabely kombinuj\u00edc\u00ed POF a m\u011bd\u011bn\u00e9 vodi\u010de umo\u017e\u0148uj\u00ed p\u0159enos dat (opticky) i nap\u00e1jen\u00ed (elektricky) v jednom kabelu. T\u00edm \u0161et\u0159\u00ed prostor, sni\u017euj\u00ed hmotnost a omezuj\u00ed po\u010det pot\u0159ebn\u00fdch rozhran\u00ed.<\/p>\n<p>D\u00edky sv\u00fdm vlastnostem p\u0159edstavuj\u00ed polymern\u00ed optick\u00e1 vl\u00e1kna (POF) perspektivn\u00ed technologii pro budouc\u00ed vozidlov\u00e9 platformy, zejm\u00e9na tam, kde jsou kl\u00ed\u010dov\u00e9 po\u017eadavky na EMC a n\u00edzkou hmotnost.<\/p>\n<div class=\"related-posts-section\"><h3>To by v\u00e1s tak\u00e9 mohlo zaj\u00edmat<\/h3><a href=\"https:\/\/www.md-elektronik.com\/cs\/a%c2%b2b-automotive-audio-bus\/\" class=\"related-post-button\">A\u00b2B (Automotive Audio Bus)\u00a0<\/a><a href=\"https:\/\/www.md-elektronik.com\/cs\/adas\/\" class=\"related-post-button\">ADAS<\/a><a href=\"https:\/\/www.md-elektronik.com\/cs\/amec\/\" class=\"related-post-button\">AMEC<\/a><a href=\"https:\/\/www.md-elektronik.com\/cs\/apix\/\" class=\"related-post-button\">APIX<\/a><a href=\"https:\/\/www.md-elektronik.com\/cs\/automotive-ethernet\/\" class=\"related-post-button\">Automotive Ethernet<\/a><a href=\"https:\/\/www.md-elektronik.com\/cs\/autonomni-rizeni\/\" class=\"related-post-button\">Autonomn\u00ed \u0159\u00edzen\u00ed<\/a><a href=\"https:\/\/www.md-elektronik.com\/cs\/c-a-s-e\/\" class=\"related-post-button\">C.A.S.E<\/a><a href=\"https:\/\/www.md-elektronik.com\/cs\/fakra\/\" class=\"related-post-button\">FAKRA<\/a><a href=\"https:\/\/www.md-elektronik.com\/cs\/fpd-link\/\" class=\"related-post-button\">FPD-Link<\/a><a href=\"https:\/\/www.md-elektronik.com\/cs\/gmsl\/\" class=\"related-post-button\">GMSL<\/a><a href=\"https:\/\/www.md-elektronik.com\/cs\/h-mtd\/\" class=\"related-post-button\">H-MTD<\/a><a href=\"https:\/\/www.md-elektronik.com\/cs\/hsd\/\" class=\"related-post-button\">HSD<\/a><a href=\"https:\/\/www.md-elektronik.com\/cs\/kabelova-konfekce\/\" class=\"related-post-button\">Kabelov\u00e1 konfekce<\/a><a href=\"https:\/\/www.md-elektronik.com\/cs\/koax\/\" class=\"related-post-button\">Koax<\/a><a href=\"https:\/\/www.md-elektronik.com\/cs\/latence\/\" class=\"related-post-button\">Latence<\/a><a href=\"https:\/\/www.md-elektronik.com\/cs\/20485\/\" class=\"related-post-button\">LiDAR<\/a><a href=\"https:\/\/www.md-elektronik.com\/cs\/lvds\/\" class=\"related-post-button\">LVDS<\/a><a href=\"https:\/\/www.md-elektronik.com\/cs\/multi-gig-ethernet-multigigabitovy-ethernet\/\" class=\"related-post-button\">Multi-Gig-Ethernet (multigigabitov\u00fd Ethernet)<\/a><a href=\"https:\/\/www.md-elektronik.com\/cs\/on-board-diagnostics-obd\/\" class=\"related-post-button\">On-board diagnostics (OBD)<\/a><a href=\"https:\/\/www.md-elektronik.com\/cs\/paterni-linky\/\" class=\"related-post-button\">P\u00e1te\u0159n\u00ed linky<\/a><a href=\"https:\/\/www.md-elektronik.com\/cs\/radar\/\" class=\"related-post-button\">Radar<\/a><a href=\"https:\/\/www.md-elektronik.com\/cs\/senzory\/\" class=\"related-post-button\">Senzory<\/a><a href=\"https:\/\/www.md-elektronik.com\/cs\/stineni\/\" class=\"related-post-button\">St\u00edn\u011bn\u00ed<\/a><a href=\"https:\/\/www.md-elektronik.com\/cs\/v2x\/\" class=\"related-post-button\">V2X<\/a><a href=\"https:\/\/www.md-elektronik.com\/cs\/wigig\/\" class=\"related-post-button\">WiGig<\/a><\/div>\n<div class=\"message-box relative\" style=\"padding-top:30px;padding-bottom:30px;\"><div class=\"message-box-bg-image bg-fill fill\" ><\/div><div class=\"message-box-bg-overlay bg-fill fill\" style=\"background-color:rgb(245, 245, 247);\"><\/div><div class=\"container relative\"><div class=\"inner last-reset\">\n\n<div class=\"row align-equal align-center\"  id=\"row-1951014556\">\n\n\n\t<div id=\"col-1835518803\" class=\"col medium-3 small-12 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"gap-1371133679\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1371133679 {\n  padding-top: 10px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_533974630\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/02\/Helmut_Pritz_Web_2026_3_2.jpg\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/02\/Helmut_Pritz_Web_2026_3_2.jpg 800w, https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/02\/Helmut_Pritz_Web_2026_3_2-300x300.jpg 300w, https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/02\/Helmut_Pritz_Web_2026_3_2-150x150.jpg 150w, https:\/\/www.md-elektronik.com\/wp-content\/uploads\/2023\/02\/Helmut_Pritz_Web_2026_3_2-768x768.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_533974630 {\n  width: 99%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-989281108\" class=\"col medium-9 small-12 large-9\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p><span style=\"font-size: 130%;\"><strong>Helmut Pritz<\/strong><\/span><\/p>\n<p>Helmut Pritz je produktov\u00fdm mana\u017eerem pro p\u0159enos dat prost\u0159ednictv\u00edm optick\u00fdch vl\u00e1ken a Multi Hybrid Connectors ve spole\u010dnosti MD ELEKTRONIK. S v\u00edce ne\u017e 25 lety zku\u0161enost\u00ed v automobilov\u00e9m pr\u016fmyslu disponuje rozs\u00e1hlou odbornost\u00ed v oblasti prosazov\u00e1n\u00ed t\u011bchto perspektivn\u00edch technologi\u00ed. Jeho posl\u00e1n\u00edm je vyv\u00edjet ve spolupr\u00e1ci se z\u00e1kazn\u00edky, startupy, v\u00fdrobci \u0159\u00eddic\u00edch jednotek a dodavateli inovativn\u00ed \u0159e\u0161en\u00ed pro automobilov\u00fd pr\u016fmysl.<\/p>\n<p>Po p\u016fsoben\u00ed na pozici projektov\u00e9ho mana\u017eera, kde byl odpov\u011bdn\u00fd za v\u00fdvoj z\u00e1suvn\u00fdch komponent a souvisej\u00edc\u00edch automatiza\u010dn\u00edch syst\u00e9m\u016f, p\u0159evzal n\u00e1sledn\u011b roli Manager Development RF Technology a vybudoval v\u00fdvojov\u00e9 odd\u011blen\u00ed zam\u011b\u0159en\u00e9 p\u0159edev\u0161\u00edm na vysokofrekven\u010dn\u00ed techniku.<\/p>\n<p>D\u00edky sv\u00e9 glob\u00e1ln\u00ed s\u00edti z\u00e1kazn\u00edk\u016f, dodavatel\u016f a partner\u016f iniciuje mezioborovou spolupr\u00e1ci p\u0159i v\u00fdvoji nov\u00fdch technologi\u00ed a \u0159e\u0161en\u00ed v oblasti vysokorychlostn\u00edho p\u0159enosu dat.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\n<style>\n#row-1951014556 > .col > .col-inner {\n  padding: 0 0px 0px 0px;\n}\n<\/style>\n<\/div>\n\n<\/div><\/div><\/div>\n\n\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":22,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[102],"tags":[],"class_list":["post-31951","post","type-post","status-publish","format-standard","hentry","category-glosar"],"_links":{"self":[{"href":"https:\/\/www.md-elektronik.com\/cs\/wp-json\/wp\/v2\/posts\/31951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.md-elektronik.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.md-elektronik.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.md-elektronik.com\/cs\/wp-json\/wp\/v2\/users\/22"}],"replies":[{"embeddable":true,"href":"https:\/\/www.md-elektronik.com\/cs\/wp-json\/wp\/v2\/comments?post=31951"}],"version-history":[{"count":2,"href":"https:\/\/www.md-elektronik.com\/cs\/wp-json\/wp\/v2\/posts\/31951\/revisions"}],"predecessor-version":[{"id":31953,"href":"https:\/\/www.md-elektronik.com\/cs\/wp-json\/wp\/v2\/posts\/31951\/revisions\/31953"}],"wp:attachment":[{"href":"https:\/\/www.md-elektronik.com\/cs\/wp-json\/wp\/v2\/media?parent=31951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.md-elektronik.com\/cs\/wp-json\/wp\/v2\/categories?post=31951"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.md-elektronik.com\/cs\/wp-json\/wp\/v2\/tags?post=31951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}