{"id":11511,"date":"2025-10-27T07:30:50","date_gmt":"2025-11-15T06:30:56","guid":{"rendered":"https:\/\/frhub.netgear.com\/fr\/hub\/?page_id=11511"},"modified":"2025-11-18T20:46:29","modified_gmt":"2025-11-18T19:46:29","slug":"sfp-to-qsfp28-fiber-modules-av-over-ip","status":"publish","type":"page","link":"https:\/\/frhub.netgear.com\/fr\/hub\/business\/av\/sfp-to-qsfp28-fiber-modules-av-over-ip\/","title":{"rendered":"Quels types de modules fibre optique existent, et en quoi diff\u00e8rent-ils en termes de sensibilit\u00e9 \u00e0 l\u2019usure ?"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignone size-full wp-image-10681\" style=\"border-radius: 1em;\" src=\"https:\/\/frhub.netgear.com\/fr\/hub\/wp-content\/uploads\/2025\/11\/Screenshot-2025-10-27-at-11.15.07.png\" 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=\"#topic3\">Qu\u2019est-ce qui rend un module plus sensible ?<\/a><\/li>\n                        <li><a href=\"#topic4\">Qu\u2019est-ce que cela signifie pour l\u2019AV over IP ?<\/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                        <p>Dans cet article, nous vous pr\u00e9sentons un aper\u00e7u des modules fibre les plus couramment utilis\u00e9s \u2013 du SFP au QSFP28 \u2013 et nous vous expliquons comment ils se comportent face \u00e0 des charges de travail AV intensives.<\/p>\n    <\/div>\n        <div id=\"topic2\" class=\"skip-item\">\n                        <table style=\"width: 100%;border-collapse: collapse;border: 1px solid #ccc;text-align: left\">\n<thead>\n<tr style=\"background-color: #f7f7f7\">\n<th style=\"border: 1px solid #ccc;padding: 8px\">Type de module<\/th>\n<th style=\"border: 1px solid #ccc;padding: 8px\">Vitesse maximale<\/th>\n<th style=\"border: 1px solid #ccc;padding: 8px\">Applications typiques<\/th>\n<th style=\"border: 1px solid #ccc;padding: 8px\">Dur\u00e9e de vie pr\u00e9vue<\/th>\n<th style=\"border: 1px solid #ccc;padding: 8px\">Sensibilit\u00e9 \u00e0 la charge lourde<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ccc;padding: 8px\">SFP<\/td>\n<td style=\"border: 1px solid #ccc;padding: 8px\">1 Gbit\/s<\/td>\n<td style=\"border: 1px solid #ccc;padding: 8px\">Liaisons montantes LAN, cam\u00e9ras IP, convertisseurs de m\u00e9dia<\/td>\n<td style=\"border: 1px solid #ccc;padding: 8px\">&gt;10 ans en utilisation normale<\/td>\n<td style=\"border: 1px solid #ccc;padding: 8px\">Faible \u2013 reste froid, usure lente<\/td>\n<\/tr>\n<tr style=\"background-color: #fafafa\">\n<td style=\"border: 1px solid #ccc;padding: 8px\">SFP+<\/td>\n<td style=\"border: 1px solid #ccc;padding: 8px\">10 Gbit\/s<\/td>\n<td style=\"border: 1px solid #ccc;padding: 8px\">Serveurs de datacenter, commutation matricielle AV<\/td>\n<td style=\"border: 1px solid #ccc;padding: 8px\">5\u201310 ans avec une bonne gestion<\/td>\n<td style=\"border: 1px solid #ccc;padding: 8px\">Moyenne \u2013 chauffe sous charge 10G constante<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ccc;padding: 8px\">SFP28<\/td>\n<td style=\"border: 1px solid #ccc;padding: 8px\">25 Gbit\/s<\/td>\n<td style=\"border: 1px solid #ccc;padding: 8px\">Transport vid\u00e9o 4K, trunking de switch<\/td>\n<td style=\"border: 1px solid #ccc;padding: 8px\">~5 ans en usage intensif<\/td>\n<td style=\"border: 1px solid #ccc;padding: 8px\">Moyenne\/\u00c9lev\u00e9e \u2013 g\u00e9n\u00e8re de la chaleur, n\u00e9cessite un bon refroidissement<\/td>\n<\/tr>\n<tr style=\"background-color: #fafafa\">\n<td style=\"border: 1px solid #ccc;padding: 8px\">QSFP (40G)<\/td>\n<td style=\"border: 1px solid #ccc;padding: 8px\">40 Gbit\/s (4\u00d710G)<\/td>\n<td style=\"border: 1px solid #ccc;padding: 8px\">Agr\u00e9gation de flux 10G, exp\u00e9rimentations 8K<\/td>\n<td style=\"border: 1px solid #ccc;padding: 8px\">~5 ans sous pleine charge<\/td>\n<td style=\"border: 1px solid #ccc;padding: 8px\">\u00c9lev\u00e9e \u2013 4 lasers g\u00e9n\u00e8rent une chaleur importante<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ccc;padding: 8px\">QSFP28 (100G)<\/td>\n<td style=\"border: 1px solid #ccc;padding: 8px\">100 Gbit\/s (4\u00d725G)<\/td>\n<td style=\"border: 1px solid #ccc;padding: 8px\">Liens backbone\/c\u0153ur de r\u00e9seau, AV haute densit\u00e9<\/td>\n<td style=\"border: 1px solid #ccc;padding: 8px\">3\u20135 ans en utilisation continue<\/td>\n<td style=\"border: 1px solid #ccc;padding: 8px\">Tr\u00e8s \u00e9lev\u00e9e \u2013 extr\u00eamement sensible au stress thermique<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n    <\/div>\n        <div id=\"topic3\" class=\"skip-item\">\n                        <h2>Qu\u2019est-ce qui rend un module plus sensible ?<\/h2>\n                <ul>\n<li data-start=\"90\" data-end=\"272\">\n<p data-start=\"92\" data-end=\"272\"><strong data-start=\"92\" data-end=\"119\">G\u00e9n\u00e9ration de chaleur :<\/strong> plus la vitesse est \u00e9lev\u00e9e, plus le module consomme de l\u2019\u00e9nergie \u2014 et plus il chauffe. La chaleur acc\u00e9l\u00e8re l\u2019usure des diodes laser et de l\u2019\u00e9lectronique.<\/p>\n<\/li>\n<li data-start=\"273\" data-end=\"462\">\n<p data-start=\"275\" data-end=\"462\"><strong data-start=\"275\" data-end=\"302\">Stress des composants :<\/strong> \u00e0 des d\u00e9bits plus \u00e9lev\u00e9s, les tol\u00e9rances sont plus strictes. Une l\u00e9g\u00e8re d\u00e9gradation, insignifiante \u00e0 1 Gbit\/s, peut provoquer des erreurs \u00e0 25 ou 100 Gbit\/s.<\/p>\n<\/li>\n<li data-start=\"463\" data-end=\"673\">\n<p data-start=\"465\" data-end=\"673\"><strong data-start=\"465\" data-end=\"496\">Facteurs environnementaux :<\/strong> les modules dans les racks AV fonctionnent souvent dans des conditions moins id\u00e9ales que dans les data centers : air poussi\u00e9reux, temp\u00e9ratures fluctuantes, ventilation limit\u00e9e.<\/p>\n<\/li>\n<\/ul>\n    <\/div>\n        <div id=\"topic4\" class=\"skip-item\">\n                        <h2>Qu\u2019est-ce que cela signifie pour l\u2019AV over IP ?<\/h2>\n                <p data-start=\"737\" data-end=\"952\">Dans les r\u00e9seaux AV over IP, les modules <strong data-start=\"778\" data-end=\"792\">SFP+ (10G)<\/strong> et <strong data-start=\"796\" data-end=\"811\">SFP28 (25G)<\/strong> sont particuli\u00e8rement populaires. Ils offrent une bande passante suffisante pour la vid\u00e9o HD et 4K, mais n\u00e9cessitent certaines pr\u00e9cautions :<\/p>\n<ul data-start=\"954\" data-end=\"1339\">\n<li data-start=\"954\" data-end=\"1003\">\n<p data-start=\"956\" data-end=\"1003\">Assurez une bonne ventilation dans vos racks.<\/p>\n<\/li>\n<li data-start=\"1004\" data-end=\"1123\">\n<p data-start=\"1006\" data-end=\"1123\">En cas de doute, choisissez des modules de grade industriel, surtout dans des environnements chauds ou poussi\u00e9reux.<\/p>\n<\/li>\n<li data-start=\"1124\" data-end=\"1264\">\n<p data-start=\"1126\" data-end=\"1264\">Surveillez la temp\u00e9rature et la puissance d\u2019\u00e9mission via <strong data-start=\"1183\" data-end=\"1222\">DDM (Digital Diagnostic Monitoring)<\/strong> \/ <strong data-start=\"1225\" data-end=\"1261\">DOM (Digital Optical Monitoring)<\/strong>.<\/p>\n<\/li>\n<li data-start=\"1265\" data-end=\"1339\">\n<p data-start=\"1267\" data-end=\"1339\">Envisagez un remplacement pr\u00e9ventif apr\u00e8s 5 ans d\u2019utilisation intensive.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1341\" data-end=\"1649\">Les modules <strong data-start=\"1353\" data-end=\"1370\">QSFP28 (100G)<\/strong> sont de plus en plus utilis\u00e9s en AV over IP, notamment dans les grands environnements de production et dans l\u2019industrie broadcast. Ces modules fonctionnent \u00e0 la limite des contraintes thermiques et de fiabilit\u00e9 \u2014 une surveillance renforc\u00e9e et de la redondance sont essentielles.<\/p>\n    <\/div>\n        <div id=\"topic5\" class=\"skip-item\">\n                        <h2>Conclusion<\/h2>\n                <p>Tous les modules fibre ne se valent pas. Choisir le bon type \u2014 et le bon niveau de qualit\u00e9 \u2014 d\u00e9termine en grande partie la fiabilit\u00e9 \u00e0 long terme de votre r\u00e9seau AV.<br data-start=\"1841\" data-end=\"1844\" \/>Dans les prochains blogs, nous approfondirons comment les modules fibre s\u2019usent et ce que vous pouvez faire pour ralentir ce processus.<\/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":11513,"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-11511","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Quels types de modules fibre optique existent, et en quoi diff\u00e8rent-ils en termes de sensibilit\u00e9 \u00e0 l\u2019usure ? 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