{"id":1610,"date":"2016-04-18T17:14:00","date_gmt":"2016-04-18T21:14:00","guid":{"rendered":"https:\/\/www.precisionot.com\/?p=1610"},"modified":"2020-12-15T04:03:52","modified_gmt":"2020-12-15T09:03:52","slug":"cable-a-fibre-optique-monomode-versus-cable-a-fibre-optique-multimode","status":"publish","type":"post","link":"https:\/\/www.precisionot.com\/fr\/single-mode-versus-multi-mode-fiber-optic-cable\/","title":{"rendered":"C\u00e2ble \u00e0 fibre optique monomode ou multimode"},"content":{"rendered":"<p>Grand et complexe\u00a0<a href=\"https:\/\/www.precisionot.com\/fr\/\" target=\"_blank\" rel=\"noreferrer noopener\">centre de donn\u00e9es<\/a>\u00a0les infrastructures sont une merveille d&#039;ing\u00e9nierie de technologie informatique complexe. Avec la forte pouss\u00e9e des technologies plus avanc\u00e9es telles que le cloud computing, le paysage des centres de donn\u00e9es \u00e9volue. La forte demande pour plus de bande passante, des fonctionnalit\u00e9s d&#039;\u00e9conomie d&#039;\u00e9nergie et une port\u00e9e plus longue entra\u00eene le besoin d&#039;\u00e9metteurs-r\u00e9cepteurs optiques meilleurs et plus efficaces. En cons\u00e9quence, le besoin en fibre optique a \u00e9galement consid\u00e9rablement augment\u00e9. Un centre de donn\u00e9es doit-il choisir un c\u00e2ble \u00e0 fibre optique monomode ou multimode. Ils servent tous les deux un but, mais quelle est la diff\u00e9rence? Les fibres monomodes et multimodes utilisent des fils de verre (g\u00e9n\u00e9ralement fabriqu\u00e9s \u00e0 partir de silice pure) pour transmettre des donn\u00e9es sous forme d&#039;impulsions lumineuses. Essentiellement, le c\u00e2ble \u00e0 fibre optique guide la lumi\u00e8re d&#039;un bout \u00e0 l&#039;autre. Dans le pass\u00e9,\u00a0<a rel=\"noreferrer noopener\" href=\"http:\/\/www.arcelect.com\/fibercable.htm\" target=\"_blank\">c\u00e2bles en cuivre<\/a>\u00a0\u00e9taient principalement utilis\u00e9s\u00a0; cependant, ils deviennent maintenant obsol\u00e8tes en raison de co\u00fbts de maintenance plus \u00e9lev\u00e9s, de vitesses plus faibles, d&#039;une capacit\u00e9 moindre et d&#039;une r\u00e9sistance moindre au bruit \u00e9lectromagn\u00e9tique. La fibre monomode a un diam\u00e8tre plus petit de 8,3 \u00e0 10 microns et a une longueur d&#039;onde laser beaucoup plus \u00e9troite. La combinaison de ces fonctionnalit\u00e9s r\u00e9duit consid\u00e9rablement toute distorsion, maintient un signal fort et fournit des taux de transmission \u00e9lev\u00e9s. La fibre monomode est \u00e9galement capable de fournir 50 fois plus de distance que la fibre multimode, ce qui en fait le candidat id\u00e9al pour la connectivit\u00e9 inter-b\u00e2timents ou les WAN. La fibre monomode est g\u00e9n\u00e9ralement plus ch\u00e8re car elle est consid\u00e9rablement plus fragile et utilise des lasers comme source de lumi\u00e8re principale. Avec un diam\u00e8tre plus grand de 50 \u00e0 100 microns, la plus grande capacit\u00e9 offerte par les fibres multimodes permet l&#039;utilisation de sources lumineuses moins ch\u00e8res telles que les LED. Il peut fournir une bande passante \u00e9lev\u00e9e \u00e0 des vitesses \u00e9lev\u00e9es sur des distances plus courtes. Cependant, lorsque la port\u00e9e devient trop grande, cela peut entra\u00eener une distorsion et entra\u00eener une transmission incompl\u00e8te du signal. En r\u00e8gle g\u00e9n\u00e9rale, la fibre multimode est mieux utilis\u00e9e pour les dorsales LAN dans les b\u00e2timents. La fibre monomode et la fibre multimode peuvent g\u00e9rer des vitesses de 10G. Cependant, il est important de garder \u00e0 l&#039;esprit qu&#039;ils ne sont pas compatibles et ne peuvent pas \u00eatre m\u00e9lang\u00e9s entre deux terminaux. Pour en savoir plus sur les technologies de r\u00e9seau optique ou parler avec un repr\u00e9sentant de nos produits de pointe, veuillez\u00a0<a href=\"https:\/\/www.precisionot.com\/fr\/contact\/\">Nous contacter<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Les infrastructures de centres de donn\u00e9es vastes et complexes sont une merveille d&#039;ing\u00e9nierie de technologie informatique complexe.<\/p>","protected":false},"author":2,"featured_media":1611,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[6],"tags":[],"class_list":["post-1610","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.precisionot.com\/fr\/wp-json\/wp\/v2\/posts\/1610","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.precisionot.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.precisionot.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.precisionot.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.precisionot.com\/fr\/wp-json\/wp\/v2\/comments?post=1610"}],"version-history":[{"count":0,"href":"https:\/\/www.precisionot.com\/fr\/wp-json\/wp\/v2\/posts\/1610\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.precisionot.com\/fr\/wp-json\/wp\/v2\/media\/1611"}],"wp:attachment":[{"href":"https:\/\/www.precisionot.com\/fr\/wp-json\/wp\/v2\/media?parent=1610"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.precisionot.com\/fr\/wp-json\/wp\/v2\/categories?post=1610"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.precisionot.com\/fr\/wp-json\/wp\/v2\/tags?post=1610"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}