{"id":23572,"date":"2025-10-07T10:57:31","date_gmt":"2025-10-07T08:57:31","guid":{"rendered":"https:\/\/www.arcane-group.be\/?p=23572"},"modified":"2025-10-11T10:13:42","modified_gmt":"2025-10-11T08:13:42","slug":"do-i-need-cat7-or-cat7a","status":"publish","type":"post","link":"https:\/\/www.arcane-group.be\/fr\/2025\/10\/07\/do-i-need-cat7-or-cat7a\/","title":{"rendered":"Ai-je besoin de Cat7 ou Cat7A ?"},"content":{"rendered":"<p data-start=\"0\" data-end=\"534\">&#8220;<em>Do I need Cat7 or Cat7A cabling?<\/em>&#8221; Before answering the question, checking first the compatibility of such cables. Well, class F channels and Category 7 cables are backward compatible with Class D\/Category 5e and Class E\/Category 6. Class F introduces stricter requirements for crosstalk and system noise than Class E, achieved by adding shielding to both individual wire pairs and the overall cable. In contrast, unshielded cables rely on tightly controlled twists to protect against electromagnetic interference (EMI). Cables with individually shielded pairs, such as Category 7, depend more on the shielding, allowing the pairs to have longer twists.<\/p>\n<p data-start=\"536\" data-end=\"780\">La norme de la cat\u00e9gorie 7 a \u00e9t\u00e9 ratifi\u00e9e en 2002, principalement pour prendre en charge l'Ethernet \u00e0 10 gigabits sur 100 m\u00e8tres de c\u00e2blage en cuivre. Comme les normes pr\u00e9c\u00e9dentes, elle se compose de quatre paires de fils de cuivre torsad\u00e9s pr\u00e9vus pour des fr\u00e9quences de transmission allant jusqu'\u00e0 600 MHz.<\/p>\n<p data-start=\"782\" data-end=\"1378\" data-is-last-node=\"\" data-is-only-node=\"\">En 2006, la cat\u00e9gorie 6A a \u00e9t\u00e9 introduite pour prendre en charge l'Ethernet \u00e0 10 Gbit\/s tout en continuant \u00e0 utiliser le connecteur conventionnel 8P8C. Il faut veiller \u00e0 ne pas d\u00e9grader le signal lorsqu'on m\u00e9lange des c\u00e2bles et des connecteurs non con\u00e7us \u00e0 cet effet, m\u00eame s'ils semblent similaires. La plupart des fabricants d'\u00e9quipements et de cartes r\u00e9seau ont choisi d'utiliser le connecteur 8P8C pour l'Ethernet \u00e0 10 gigabits sur cuivre plut\u00f4t que les connecteurs GG45, ARJ45 ou TERA sp\u00e9cifi\u00e9s \u00e0 l'origine pour la classe F. En cons\u00e9quence, la sp\u00e9cification de la cat\u00e9gorie 6 a \u00e9t\u00e9 mise \u00e0 jour en cat\u00e9gorie 6A pour tenir compte de cette utilisation, ce qui n\u00e9cessite un canal de classe EA (c.-\u00e0-d. Cat 6A).<\/p>\n<p data-start=\"782\" data-end=\"1378\" data-is-last-node=\"\" data-is-only-node=\"\">Nous vous sugg\u00e9rons d'analyser vos besoins r\u00e9els et si vous n'avez pas besoin d'une vitesse sup\u00e9rieure \u00e0 10Gb, de vous rabattre sur une solution Cat6A plus rentable.<\/p>","protected":false},"excerpt":{"rendered":"<p>&#8220;Do I need Cat7 or Cat7A cabling?&#8221; Before answering the question, checking first the compatibility of such cables. Well, class<\/p>","protected":false},"author":6515,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[452],"tags":[],"class_list":["post-23572","post","type-post","status-publish","format-standard","hentry","category-technical-questions"],"_links":{"self":[{"href":"https:\/\/www.arcane-group.be\/fr\/wp-json\/wp\/v2\/posts\/23572","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.arcane-group.be\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.arcane-group.be\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.arcane-group.be\/fr\/wp-json\/wp\/v2\/users\/6515"}],"replies":[{"embeddable":true,"href":"https:\/\/www.arcane-group.be\/fr\/wp-json\/wp\/v2\/comments?post=23572"}],"version-history":[{"count":6,"href":"https:\/\/www.arcane-group.be\/fr\/wp-json\/wp\/v2\/posts\/23572\/revisions"}],"predecessor-version":[{"id":23731,"href":"https:\/\/www.arcane-group.be\/fr\/wp-json\/wp\/v2\/posts\/23572\/revisions\/23731"}],"wp:attachment":[{"href":"https:\/\/www.arcane-group.be\/fr\/wp-json\/wp\/v2\/media?parent=23572"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.arcane-group.be\/fr\/wp-json\/wp\/v2\/categories?post=23572"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.arcane-group.be\/fr\/wp-json\/wp\/v2\/tags?post=23572"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}