{"id":11749,"date":"2025-11-10T08:12:50","date_gmt":"2025-12-01T07:12:50","guid":{"rendered":"https:\/\/frhub.netgear.com\/fr\/hub\/?page_id=11749"},"modified":"2025-12-01T08:13:49","modified_gmt":"2025-12-01T07:13:49","slug":"av-over-ip-accelerates-module-aging","status":"publish","type":"page","link":"https:\/\/frhub.netgear.com\/fr\/hub\/business\/av\/av-over-ip-accelerates-module-aging\/","title":{"rendered":"Pourquoi l\u2019AV sur IP peut acc\u00e9l\u00e9rer le vieillissement des modules"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignone size-full wp-image-10681\" style=\"border-radius: 1em;\" src=\"https:\/\/www.netgear.com\/hub\/wp-content\/uploads\/2025\/11\/Risk-in-AVoIP-networks-696x392-1.jpg\" alt=\"\" width=\"1048\" height=\"511\" \/><\/p>\n    <div class=\"table-of-content bg-gray\">\n        <p><strong>IN THIS ARTICLE<\/strong><\/p>\n        <ul>\n                        <li><a href=\"#topic1\">1. Charge constante \u00e9lev\u00e9e = temp\u00e9rature de fonctionnement plus \u00e9lev\u00e9e<\/a><\/li>\n                        <li><a href=\"#topic2\">2. Fonctionnement continu \u00e0 pleine puissance<\/a><\/li>\n                        <li><a href=\"#topic3\">3. D\u00e9bits plus \u00e9lev\u00e9s = marge d\u2019erreur plus faible<\/a><\/li>\n                        <li><a href=\"#topic4\">4. Des conditions environnementales loin d\u2019\u00eatre id\u00e9ales<\/a><\/li>\n                        <li><a href=\"#topic5\">Conclusion<\/a><\/li>\n                        <li><a href=\"#topic6\">Plus d'informations<\/a><\/li>\n                    <\/ul>\n    <\/div>\n        <div id=\"topic1\" class=\"skip-item\">\n                        <h2>1. Charge constante \u00e9lev\u00e9e = temp\u00e9rature de fonctionnement plus \u00e9lev\u00e9e<\/h2>\n                <p data-start=\"59\" data-end=\"366\">Dans les r\u00e9seaux AV sur IP, les \u00e9metteurs-r\u00e9cepteurs fonctionnent souvent en continu \u00e0 90\u2013100 % de leur capacit\u00e9. Pensez aux flux vid\u00e9o 24\/7, aux flux de cam\u00e9ras en direct ou \u00e0 l\u2019audio multicanal. Cette charge constante entra\u00eene :<\/p>\n<ul data-start=\"368\" data-end=\"562\">\n<li data-start=\"368\" data-end=\"425\">\n<p data-start=\"370\" data-end=\"425\">Une augmentation de la chaleur g\u00e9n\u00e9r\u00e9e dans le module<\/p>\n<\/li>\n<li data-start=\"426\" data-end=\"489\">\n<p data-start=\"428\" data-end=\"489\">Un vieillissement acc\u00e9l\u00e9r\u00e9 des diodes laser et des circuits<\/p>\n<\/li>\n<li data-start=\"490\" data-end=\"562\">\n<p data-start=\"492\" data-end=\"562\">Un risque accru de d\u00e9faillance si le refroidissement est insuffisant<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"564\" data-end=\"758\">Une r\u00e8gle g\u00e9n\u00e9rale en \u00e9lectronique : chaque augmentation de 10 \u00b0C divise par deux la dur\u00e9e de vie des composants. \u00c0 85 \u00b0C, le taux de d\u00e9faillance est jusqu\u2019\u00e0 cinq fois plus \u00e9lev\u00e9 qu\u2019\u00e0 40 \u00b0C [1].<\/p>\n    <\/div>\n        <div id=\"topic2\" class=\"skip-item\">\n                        <h2>2. Fonctionnement continu \u00e0 pleine puissance<\/h2>\n                <p data-start=\"765\" data-end=\"1015\">Dans les environnements AV, les interruptions sont rares. Alors qu\u2019un r\u00e9seau IT peut \u00eatre inactif la nuit, une infrastructure AV dans un h\u00f4pital ou un th\u00e9\u00e2tre fonctionne jour et nuit. Cela signifie :<\/p>\n<ul data-start=\"1017\" data-end=\"1181\">\n<li data-start=\"1017\" data-end=\"1064\">\n<p data-start=\"1019\" data-end=\"1064\">Pas de temps pour la r\u00e9cup\u00e9ration thermique<\/p>\n<\/li>\n<li data-start=\"1065\" data-end=\"1112\">\n<p data-start=\"1067\" data-end=\"1112\">Une sollicitation permanente des composants<\/p>\n<\/li>\n<li data-start=\"1113\" data-end=\"1181\">\n<p data-start=\"1115\" data-end=\"1181\">Une manifestation plus rapide des d\u00e9fauts de fabrication latents<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1183\" data-end=\"1309\">Les modules fonctionnant \u00e0 pleine charge s\u2019usent plus vite que des modules identiques dans des environnements moins exigeants.<\/p>\n    <\/div>\n        <div id=\"topic3\" class=\"skip-item\">\n                        <h2>3. D\u00e9bits plus \u00e9lev\u00e9s = marge d\u2019erreur plus faible<\/h2>\n                <p data-start=\"1316\" data-end=\"1466\">Les r\u00e9seaux AV sur IP sollicitent souvent les modules \u00e0 leur capacit\u00e9 maximale. Par exemple :<\/p>\n<ul data-start=\"1468\" data-end=\"1588\">\n<li data-start=\"1468\" data-end=\"1539\">\n<p data-start=\"1470\" data-end=\"1539\">Un SFP+ 10G sur 300 m\u00e8tres de fibre multimode pour de la vid\u00e9o 4K60<\/p>\n<\/li>\n<li data-start=\"1540\" data-end=\"1588\">\n<p data-start=\"1542\" data-end=\"1588\">Un QSFP28 agr\u00e9gant plusieurs flux 4K en 100G<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1590\" data-end=\"1719\">Dans ces sc\u00e9narios, le budget optique est serr\u00e9. M\u00eame une l\u00e9g\u00e8re d\u00e9gradation de la puissance laser peut imm\u00e9diatement provoquer :<\/p>\n<ul data-start=\"1721\" data-end=\"1801\">\n<li data-start=\"1721\" data-end=\"1746\">\n<p data-start=\"1723\" data-end=\"1746\">Des pertes de paquets<\/p>\n<\/li>\n<li data-start=\"1747\" data-end=\"1775\">\n<p data-start=\"1749\" data-end=\"1775\">Des connexions instables<\/p>\n<\/li>\n<li data-start=\"1776\" data-end=\"1801\">\n<p data-start=\"1778\" data-end=\"1801\">Des messages d\u2019erreur<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1803\" data-end=\"1938\">\u00c0 des vitesses \u00e9lev\u00e9es, les tol\u00e9rances sont plus faibles \u2014 ce qui fonctionne \u00e0 1 Gbit\/s peut devenir catastrophique \u00e0 25 ou 100 Gbit\/s.<\/p>\n    <\/div>\n        <div id=\"topic4\" class=\"skip-item\">\n                        <h2>4. Des conditions environnementales loin d\u2019\u00eatre id\u00e9ales<\/h2>\n                <p data-start=\"1945\" data-end=\"2085\">Les installations AV sont souvent situ\u00e9es dans des environnements difficiles :<\/p>\n<ul data-start=\"2087\" data-end=\"2238\">\n<li data-start=\"2087\" data-end=\"2142\">\n<p data-start=\"2089\" data-end=\"2142\">Derri\u00e8re des \u00e9crans LED avec des lampes chauffantes<\/p>\n<\/li>\n<li data-start=\"2143\" data-end=\"2190\">\n<p data-start=\"2145\" data-end=\"2190\">Dans des salles de conf\u00e9rence poussi\u00e9reuses<\/p>\n<\/li>\n<li data-start=\"2191\" data-end=\"2238\">\n<p data-start=\"2193\" data-end=\"2238\">Dans des baies avec une ventilation limit\u00e9e<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2240\" data-end=\"2441\">Contrairement aux centres de donn\u00e9es dot\u00e9s de climatisation et de filtres \u00e0 poussi\u00e8re, les lieux AV sont souvent plus exigeants thermiquement et physiquement pour les modules. Cela augmente le risque :<\/p>\n<ul data-start=\"2443\" data-end=\"2519\">\n<li data-start=\"2443\" data-end=\"2460\">\n<p data-start=\"2445\" data-end=\"2460\">De surchauffe<\/p>\n<\/li>\n<li data-start=\"2461\" data-end=\"2497\">\n<p data-start=\"2463\" data-end=\"2497\">De contamination des connecteurs<\/p>\n<\/li>\n<li data-start=\"2498\" data-end=\"2519\">\n<p data-start=\"2500\" data-end=\"2519\">D\u2019usure m\u00e9canique<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2521\" data-end=\"2642\">Dans de telles situations, il est recommand\u00e9 d\u2019utiliser des modules industriels avec une tol\u00e9rance thermique plus \u00e9lev\u00e9e.<\/p>\n    <\/div>\n        <div id=\"topic5\" class=\"skip-item\">\n                        <h2>Conclusion<\/h2>\n                <p data-start=\"2649\" data-end=\"3028\">Les r\u00e9seaux AV sur IP pr\u00e9sentent des d\u00e9fis uniques pour les modules \u00e0 fibre optique. La combinaison d\u2019une charge \u00e9lev\u00e9e, d\u2019un fonctionnement continu, de d\u00e9bits maximaux et d\u2019environnements imparfaits augmente le risque d\u2019usure acc\u00e9l\u00e9r\u00e9e. Cela ne signifie pas que les modules ne sont pas adapt\u00e9s \u2014 mais qu\u2019ils n\u00e9cessitent davantage d\u2019attention et de surveillance.<\/p>\n<p data-start=\"3030\" data-end=\"3181\">Dans le prochain article, nous verrons comment la maintenance et le monitoring peuvent prolonger la dur\u00e9e de vie de vos modules et pr\u00e9venir les pannes.<\/p>\n    <\/div>\n        <div id=\"topic6\" class=\"skip-item\">\n                        <h2>Plus d'informations<\/h2>\n                <p><!--SOLUTIONS NETGEAR AV --><br \/>\nPlus d\u2019informations sur nos solutions audiovisuelles<\/p>\n<div class=\"hs-cta-embed hs-cta-simple-placeholder hs-cta-embed-241151160046\" style=\"max-width: 100%;max-height: 100%;width: 260px;height: 50.390625px\" data-hubspot-wrapper-cta-id=\"241151160046\"><a href=\"https:\/\/cta-na2.hubspot.com\/web-interactives\/public\/v1\/track\/redirect?encryptedPayload=AVxigLJf4HGLXU18h5HBrlQTZuKX4p21iriDX%2FD9Weo1E0jc26wgSp32sJpGF%2FrOb977gqk9Skq%2FVgamhq%2FXvCN0mPQ1dmrdARtcNUH8fV5cFOvngo8qJ8EuMyEq%2Fqu2y51zC2FZUVyu97opP5ixVGCiE%2Bg6BOgTVVDljEMF5hhhXUNpnikrl2UTN%2Bb3TA%3D%3D&amp;webInteractiveContentId=241151160046&amp;portalId=242128791\" target=\"_blank\" rel=\"noopener\"><br \/>\n<img decoding=\"async\" style=\"height: 100%;width: 100%;object-fit: fill\" src=\"https:\/\/hubspot-no-cache-na2-prod.s3.amazonaws.com\/cta\/default\/242128791\/interactive-241151160046.png\" alt=\"SOLUTIONS NETGEAR AV\" \/><br \/>\n<\/a><\/div>\n<p><!-- NETGEAR ACADEMY AV --><br \/>\nApprenez tout sur les r\u00e9seaux IP gr\u00e2ce \u00e0 la NETGEAR ACADEMY<\/p>\n<div class=\"hs-cta-embed hs-cta-simple-placeholder hs-cta-embed-241151160033\" style=\"max-width: 100%;max-height: 100%;width: 260px;height: 50.390625px\" data-hubspot-wrapper-cta-id=\"241151160033\"><a href=\"https:\/\/cta-na2.hubspot.com\/web-interactives\/public\/v1\/track\/redirect?encryptedPayload=AVxigLJ6zgXxrLVJLagOt9pyIXf5%2FGgh9lUupWJj49Nfcbq71eIrrvJQt9JGeaQwNkTAPTWhI2%2BXk56NQscWP4xOQ7iZrhk6rkBjyO4dBlJGP1gG3BpcrdlgLyF%2F850K2l3xn5kDj5H%2Fur8VO2zJH58QH7by4HFWliY25223Shr3sQx25aCmNBjCDkNwA2WRum67F9fGyQyzoYOn86wAq%2Brw3xzsBDMbyw%3D%3D&amp;webInteractiveContentId=241151160033&amp;portalId=242128791\" target=\"_blank\" rel=\"noopener\"><br \/>\n<img decoding=\"async\" style=\"height: 100%;width: 100%;object-fit: fill\" src=\"https:\/\/hubspot-no-cache-na2-prod.s3.amazonaws.com\/cta\/default\/242128791\/interactive-241151160033.png\" alt=\"NETGEAR ACADEMY\" \/><br \/>\n<\/a><\/div>\n<p style=\"margin-bottom: 30px\"><!--CONTACTEZ L'EQUIPE PROAV --><br \/>\nNos ing\u00e9nieurs vous accompagneront gratuitement dans la r\u00e9alisation de vos projets audiovisuels<\/p>\n<div class=\"hs-cta-embed hs-cta-simple-placeholder hs-cta-embed-241151160055\" style=\"max-width: 100%;max-height: 100%;width: 270px;height: 50.390625px\" data-hubspot-wrapper-cta-id=\"241151160055\"><a href=\"https:\/\/cta-na2.hubspot.com\/web-interactives\/public\/v1\/track\/redirect?encryptedPayload=AVxigLLUG9XShtF2ziGdRlpsMD%2BMJ39t1kFOE7VlHl2HmmlWzlJWH0rsV7f3eoQL53gclcWb0lliiDgK3EAMVvEOcIE7gW9aYOwk1uipv43pSUkBlDtiKJ%2BcB7fopWupnJbggqZWRkNERZkdh1dDGXHHDJX3V0sOA8mbXD%2Fd6QC2XK2OyVtrDNFDHbBoT6b15PyvF4Ca3b6JBNTYdAzYeH790XenlNKBP4OKZqw50t7IGx9DuADFMFlNdg6FWQ%3D%3D&amp;webInteractiveContentId=241151160055&amp;portalId=242128791\" target=\"_blank\" rel=\"noopener\"><br \/>\n<img decoding=\"async\" style=\"height: 100%;width: 100%;object-fit: fill\" src=\"https:\/\/hubspot-no-cache-na2-prod.s3.amazonaws.com\/cta\/default\/242128791\/interactive-241151160055.png\" alt=\"CONTACTEZ L'EQUIPE PROAV\" \/><br \/>\n<\/a><\/div>\n<p style=\"margin-top: 50px\"><iframe loading=\"lazy\" src=\"https:\/\/405nrr.share-na2.hsforms.com\/24AR2ZDSmQqWycFqf8q5-eg\" width=\"100%\" height=\"1200px\"><\/iframe><\/p>\n    <\/div>\n    \n","protected":false},"excerpt":{"rendered":"","protected":false},"author":98,"featured_media":11750,"parent":6754,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"templates\/blog-wifi.php","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"class_list":["post-11749","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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