{"id":11314,"date":"2025-10-15T16:44:50","date_gmt":"2025-10-15T14:44:16","guid":{"rendered":"https:\/\/frhub.netgear.com\/fr\/hub\/?page_id=11314"},"modified":"2025-10-15T16:53:47","modified_gmt":"2025-10-15T14:53:47","slug":"what-category-of-ethernet-cable-should-you-use-for-poe-and-what-is-the-maximum-length","status":"publish","type":"page","link":"https:\/\/frhub.netgear.com\/fr\/hub\/business\/enterprise-it\/what-category-of-ethernet-cable-should-you-use-for-poe-and-what-is-the-maximum-length\/","title":{"rendered":"Quelle cat\u00e9gorie de c\u00e2ble Ethernet utiliser pour le PoE, et quelle est la longueur maximale ?"},"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\/10\/Banner-Ethernet-cable-poe-scaled.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\">Normes PoE et exigences des c\u00e2bles<\/a><\/li>\n                        <li><a href=\"#topic2\">Exigences minimales des c\u00e2bles Ethernet<\/a><\/li>\n                        <li><a href=\"#topic3\">Aper\u00e7u des cat\u00e9gories de c\u00e2bles<\/a><\/li>\n                        <li><a href=\"#topic4\">Longueur maximale des c\u00e2bles<\/a><\/li>\n                        <li><a href=\"#topic5\">Points cl\u00e9s \u00e0 consid\u00e9rer<\/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>Normes PoE et exigences des c\u00e2bles<\/h2>\n                <p>La norme IEEE 802.3bt, \u00e9galement appel\u00e9e 4PPoE (4-Pair Power over Ethernet), ainsi que les normes IEEE 802.3af et IEEE 802.3at, permettent la transmission d\u2019alimentation via les c\u00e2bles Ethernet. Pour garantir les performances et la fiabilit\u00e9, des exigences sp\u00e9cifiques s\u2019appliquent \u00e0 la qualit\u00e9 des c\u00e2bles et \u00e0 leur longueur maximale.<\/p>\n    <\/div>\n        <div id=\"topic2\" class=\"skip-item\">\n                        <h2>Exigences minimales des c\u00e2bles Ethernet<\/h2>\n                <ul>\n<li data-start=\"1788\" data-end=\"2094\">\n<p data-start=\"1790\" data-end=\"2094\"><strong data-start=\"1790\" data-end=\"1806\">IEEE 802.3bt<\/strong> : Un c\u00e2ble de cat\u00e9gorie <strong data-start=\"1831\" data-end=\"1841\">Cat 5e<\/strong> est recommand\u00e9 au minimum, mais pour des performances optimales et exploiter pleinement les capacit\u00e9s de la norme 802.3bt, un c\u00e2ble <strong data-start=\"1974\" data-end=\"1983\">Cat 6<\/strong> est fortement conseill\u00e9. Ces c\u00e2bles prennent mieux en charge des d\u00e9bits plus \u00e9lev\u00e9s et une puissance accrue.<\/p>\n<\/li>\n<li data-start=\"2095\" data-end=\"2287\">\n<p data-start=\"2097\" data-end=\"2287\"><strong data-start=\"2097\" data-end=\"2119\">IEEE 802.3af (PoE)<\/strong> et <strong data-start=\"2123\" data-end=\"2146\">IEEE 802.3at (PoE+)<\/strong> : La norme minimale est <strong data-start=\"2171\" data-end=\"2180\">Cat 5<\/strong>, bien que <strong data-start=\"2191\" data-end=\"2201\">Cat 5e<\/strong> ou <strong data-start=\"2205\" data-end=\"2214\">Cat 6<\/strong> soit recommand\u00e9 pour de meilleures performances et une p\u00e9rennit\u00e9 accrue.<\/p>\n<\/li>\n<\/ul>\n    <\/div>\n        <div id=\"topic3\" class=\"skip-item\">\n                        <h2>Aper\u00e7u des cat\u00e9gories de c\u00e2bles<\/h2>\n                <ul>\n<li data-start=\"2335\" data-end=\"2419\">\n<p data-start=\"2337\" data-end=\"2419\"><strong data-start=\"2337\" data-end=\"2346\">Cat 5<\/strong> : Minimum requis pour 802.3af et 802.3at, non recommand\u00e9 pour 802.3bt.<\/p>\n<\/li>\n<li data-start=\"2420\" data-end=\"2569\">\n<p data-start=\"2422\" data-end=\"2569\"><strong data-start=\"2422\" data-end=\"2432\">Cat 5e<\/strong> : R\u00e9pond aux exigences minimales pour les trois normes, mais ses performances et blindages sont inf\u00e9rieurs aux cat\u00e9gories sup\u00e9rieures.<\/p>\n<\/li>\n<li data-start=\"2570\" data-end=\"2708\">\n<p data-start=\"2572\" data-end=\"2708\"><strong data-start=\"2572\" data-end=\"2581\">Cat 6<\/strong> : Recommand\u00e9 pour de meilleures performances, avec de meilleurs d\u00e9bits et une meilleure protection contre les interf\u00e9rences.<\/p>\n<\/li>\n<li data-start=\"2709\" data-end=\"2871\">\n<p data-start=\"2711\" data-end=\"2871\"><strong data-start=\"2711\" data-end=\"2734\">Cat 6a et sup\u00e9rieur<\/strong> : Id\u00e9al pour des r\u00e9sultats optimaux et une p\u00e9rennit\u00e9 maximale, prenant en charge des vitesses plus \u00e9lev\u00e9es et de plus grandes distances.<\/p>\n<\/li>\n<\/ul>\n    <\/div>\n        <div id=\"topic4\" class=\"skip-item\">\n                        <h2>Longueur maximale des c\u00e2bles<\/h2>\n                <p>La longueur maximale pour les c\u00e2bles Ethernet utilis\u00e9s avec les normes IEEE 802.3bt, 802.3af et 802.3at est de <strong data-start=\"3027\" data-end=\"3041\">100 m\u00e8tres<\/strong>. Cela inclut le c\u00e2ble principal ainsi que les \u00e9ventuels c\u00e2bles de raccordement (patch). Pour des distances plus longues, des solutions comme des r\u00e9p\u00e9teurs ou des <strong data-start=\"3204\" data-end=\"3214\">switch<\/strong> peuvent \u00eatre utilis\u00e9es pour \u00e9tendre le signal.<\/p>\n    <\/div>\n        <div id=\"topic5\" class=\"skip-item\">\n                        <h2>Points cl\u00e9s \u00e0 consid\u00e9rer<\/h2>\n                <ul>\n<li data-start=\"3302\" data-end=\"3421\">\n<p data-start=\"3304\" data-end=\"3421\"><strong data-start=\"3304\" data-end=\"3326\">Qualit\u00e9 des c\u00e2bles<\/strong> : Utiliser des c\u00e2bles de haute qualit\u00e9 r\u00e9pondant aux sp\u00e9cifications de la cat\u00e9gorie choisie.<\/p>\n<\/li>\n<li data-start=\"3422\" data-end=\"3586\">\n<p data-start=\"3424\" data-end=\"3586\"><strong data-start=\"3424\" data-end=\"3456\">Environnement d&#8217;installation<\/strong> : Tenir compte de la temp\u00e9rature, de l&#8217;humidit\u00e9 et des interf\u00e9rences \u00e9lectromagn\u00e9tiques, qui peuvent affecter les performances.<\/p>\n<\/li>\n<li data-start=\"3587\" data-end=\"3843\">\n<p data-start=\"3589\" data-end=\"3843\"><strong data-start=\"3589\" data-end=\"3614\">Conformit\u00e9 aux normes<\/strong> : S&#8217;assurer que les c\u00e2bles respectent les normes ANSI\/TIA-568-B2-1, avec des conducteurs AWG24 et des connecteurs adapt\u00e9s. Cela garantit un fonctionnement fiable et efficace du r\u00e9seau, m\u00eame en cas de besoins en puissance \u00e9lev\u00e9s.<\/p>\n<\/li>\n<\/ul>\n    <\/div>\n        <div id=\"topic6\" class=\"skip-item\">\n                        <h2>Plus d'informations<\/h2>\n                <p><!--SOLUTIONS NETGEAR ENTERPRISE--><br \/>\nPlus d\u2019informations sur nos solutions Business<\/p>\n<div class=\"hs-cta-embed hs-cta-simple-placeholder hs-cta-embed-241151168190\" style=\"max-width: 100%;max-height: 100%;width: 310px;height: 50.395835876464844px\" data-hubspot-wrapper-cta-id=\"241151168190\"><a href=\"https:\/\/cta-na2.hubspot.com\/web-interactives\/public\/v1\/track\/redirect?encryptedPayload=AVxigLLJWF%2FR9NCdRJZQ5KVHoS9cmTllDsgnRckWwZDoTJW93FYqIGm7y2jNQ4CGjjeyEntjB1Eh%2FcIvmOqeWKIuNi7jJ95TD1xOsd56OGsqZrwJYn2P4gpbjQJxBuk%2FcElRMomZ2nLAB1rUvsSFPpXbLLR0VoURWUj2oq%2BphOJeMWjoSz5dSBIDsA%3D%3D&amp;webInteractiveContentId=241151168190&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-241151168190.png\" alt=\"SOLUTIONS NETGEAR ENTERPRISE\" \/><br \/>\n<\/a><\/div>\n<p><!--NETGEAR ACADEMY--><br \/>\nApprenez tout ce qu\u2019il faut savoir sur les r\u00e9seaux IP gr\u00e2ce \u00e0 notre NETGEAR ACADEMY<\/p>\n<div class=\"hs-cta-embed hs-cta-simple-placeholder hs-cta-embed-241151161035\" style=\"max-width: 100%;max-height: 100%;width: 260px;height: 50.390625px\" data-hubspot-wrapper-cta-id=\"241151161035\"><a href=\"https:\/\/cta-na2.hubspot.com\/web-interactives\/public\/v1\/track\/redirect?encryptedPayload=AVxigLJIgvHArQm4wTffTTUUJ%2F0ljCSNGcwj4PNLST8c9BdzGxqiACj%2Bz94HHc4mFPGtXF%2B%2F5wBeuQxMwTVaNhNVvj%2FrPoIwPhJXs1HyfD4geQMBkR1VuG%2BfPTfjyzB0ZZPS3Vs1DRegOuJZbqCiCvoqA4M8moDR4zNKVjZxPVGoUNOaIBrbKeHqgAhjG0PM1L1Yi66guE70DwgXJMTC7CAzvVrffriBmA%3D%3D&amp;webInteractiveContentId=241151161035&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-241151161035.png\" alt=\"NETGEAR ACADEMY\" \/><br \/>\n<\/a><\/div>\n<p><!--CONTACTEZ L'EQUIPE PRO-IT--><br \/>\nNos ing\u00e9nieurs vous accompagnent gratuitement dans la r\u00e9alisation de vos projets<\/p>\n<div class=\"hs-cta-embed hs-cta-simple-placeholder hs-cta-embed-245601455827\" style=\"max-width: 100%;max-height: 100%;width: 287px;height: 50.390625px\" data-hubspot-wrapper-cta-id=\"245601455827\"><a href=\"https:\/\/cta-na2.hubspot.com\/web-interactives\/public\/v1\/track\/redirect?encryptedPayload=AVxigLInaPY6CKjdDpPVYzjXnEGvPfbouzJx88Hc1CLeTaYRtnOO25E9XicF7pvzMQdle10f103Z%2F0L%2BbiJE2NwgOQVCpgxtwv3X4ZjoLQkEp5IHfzWjQzeN8Zq44UJQhsPMIst0b69UmgxZlIyrErVjJxyPRNNMsT41p87bUD9JAGKJ2ih7inbvBJTAWKny5YWUD0fN29FFl16U6g1urHYkE5vRzSSaFw%3D%3D&amp;webInteractiveContentId=245601455827&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-245601455827.png\" alt=\"CONTACTEZ L'EQUIPE PRO-IT\" \/><br \/>\n<\/a><\/div>\n<p style=\"margin-top: 50px\"><iframe loading=\"lazy\" src=\"https:\/\/405nrr.share-na2.hsforms.com\/2hCV6qlA5RJGnKIglv6BViA\" width=\"100%\" height=\"1200px\"><\/iframe><\/p>\n    <\/div>\n    \n","protected":false},"excerpt":{"rendered":"","protected":false},"author":97,"featured_media":11313,"parent":6714,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"templates\/blog-wifi.php","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"class_list":["post-11314","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>Quelle cat\u00e9gorie de c\u00e2ble Ethernet utiliser pour le PoE, et quelle est la longueur maximale ? 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