{"id":3796,"date":"2026-08-27T08:37:17","date_gmt":"2026-08-27T08:37:17","guid":{"rendered":"https:\/\/firstfibertech.com\/?p=3796"},"modified":"2026-08-28T11:32:26","modified_gmt":"2026-08-28T11:32:26","slug":"methodes-danalyse-otdr-a-2-points-et-a-5-points","status":"publish","type":"post","link":"https:\/\/firstfibertech.com\/fr\/blog\/otdr-2-points-5-points-analysis-methods\/","title":{"rendered":"M\u00e9thodes d'analyse OTDR \u00e0 2 points et \u00e0 5 points"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Il existe deux fa\u00e7ons de d\u00e9terminer avec pr\u00e9cision l'att\u00e9nuation en un point donn\u00e9 d'une courbe OTDR.<br>Dans la m\u00e9thode des deux points, on choisit deux points AB situ\u00e9s aux deux extr\u00e9mit\u00e9s de ce point ; plus ils sont proches de ce point, mieux c'est. Enfin, on s\u00e9lectionne le point \u00e0 tester afin de d\u00e9terminer la perte \u00e0 cet endroit.<br>Dans la m\u00e9thode des cinq points, on choisit deux points \u00e0 chaque extr\u00e9mit\u00e9 du point \u00e0 tester ; en observant la variation de leur pente, on s\u00e9lectionne finalement le point \u00e0 tester, ce qui permet d'obtenir la perte en ce point.<br>En effet, le point s\u00e9lectionn\u00e9 par le curseur de l'OTDR est calcul\u00e9 de cette mani\u00e8re, ce qui n'a g\u00e9n\u00e9ralement que peu d'importance pratique.<\/p>","protected":false},"excerpt":{"rendered":"<p>Il existe deux fa\u00e7ons de d\u00e9terminer avec pr\u00e9cision la perte en un point donn\u00e9 d'une courbe OTDR. Dans la m\u00e9thode \u00e0 deux points, on s\u00e9lectionne deux points AB situ\u00e9s aux deux extr\u00e9mit\u00e9s de ce point ; plus ceux-ci sont proches de ce point, mieux c'est. Enfin, on choisit le point \u00e0 tester pour obtenir la perte en ce point. Dans la\u2026 <a title=\"M\u00e9thodes d&#039;analyse OTDR \u00e0 2 points et \u00e0 5 points\" class=\"read-more\" href=\"https:\/\/firstfibertech.com\/fr\/blog\/otdr-2-points-5-points-analysis-methods\/\" aria-label=\"En savoir plus sur OTDR 2 Points 5 Points Analysis Methods\">Lire la suite<\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[98],"tags":[],"class_list":["post-3796","post","type-post","status-publish","format-standard","hentry","category-otdr-wiki"],"_links":{"self":[{"href":"https:\/\/firstfibertech.com\/fr\/wp-json\/wp\/v2\/posts\/3796","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/firstfibertech.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/firstfibertech.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/firstfibertech.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/firstfibertech.com\/fr\/wp-json\/wp\/v2\/comments?post=3796"}],"version-history":[{"count":1,"href":"https:\/\/firstfibertech.com\/fr\/wp-json\/wp\/v2\/posts\/3796\/revisions"}],"predecessor-version":[{"id":3797,"href":"https:\/\/firstfibertech.com\/fr\/wp-json\/wp\/v2\/posts\/3796\/revisions\/3797"}],"wp:attachment":[{"href":"https:\/\/firstfibertech.com\/fr\/wp-json\/wp\/v2\/media?parent=3796"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/firstfibertech.com\/fr\/wp-json\/wp\/v2\/categories?post=3796"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/firstfibertech.com\/fr\/wp-json\/wp\/v2\/tags?post=3796"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}