{"id":1993,"date":"2023-01-24T15:48:36","date_gmt":"2023-01-24T07:48:36","guid":{"rendered":"https:\/\/www.premlink.net\/?p=1993"},"modified":"2026-04-03T13:59:49","modified_gmt":"2026-04-03T05:59:49","slug":"mode-catv-edfa-apc","status":"publish","type":"post","link":"https:\/\/www.premlink.net\/fr\/catv-edfa-apc-mode\/","title":{"rendered":"Ma\u00eetriser le mode APC de l&#039;EDFA\u00a0: contr\u00f4le automatique de la puissance pour des liaisons fibre optique stables"},"content":{"rendered":"<p>Dans les r\u00e9seaux HFC et FTTH \u00e0 hautes performances, le maintien d&#039;un budget optique suffisant est imp\u00e9ratif. Parmi les diff\u00e9rentes logiques de commande des amplificateurs optiques,<strong> Mode APC EDFA (Contr\u00f4le automatique de l&#039;alimentation)<\/strong> elle se distingue comme la norme du secteur pour garantir une transmission aval constante \u00e0 1550 nm, quelles que soient les variables environnementales.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Comprendre la logique du mode APC de l&#039;EDFA<\/h2>\n\n\n\n<p><strong>APC (Contr\u00f4le automatique de l&#039;alimentation)<\/strong> est un syst\u00e8me de r\u00e9troaction complexe en boucle ferm\u00e9e. Contrairement \u00e0 la commande adaptative (ACC) qui ne fait que bloquer le courant d&#039;entra\u00eenement, le <strong>Mode APC EDFA<\/strong> donne la priorit\u00e9 \u00e0 la puissance de sortie r\u00e9ellement mesur\u00e9e au niveau du port fibre.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Sortie constante\u00a0:<\/strong> La logique APC ajuste automatiquement la pompe<a href=\"https:\/\/en.wikipedia.org\/wiki\/Laser_diode\" target=\"_blank\" rel=\"noopener\"> diode laser<\/a> pour maintenir votre niveau cible en dBm, que le signal d&#039;entr\u00e9e de votre \u00e9metteur 1550 nm d\u00e9rive ou que la temp\u00e9rature dans l&#039;armoire change.<\/li>\n\n\n\n<li><strong>D\u00e9tection interne :<\/strong> Des photod\u00e9tecteurs de haute pr\u00e9cision surveillent le signal de sortie en temps r\u00e9el et renvoient les donn\u00e9es au processeur afin d&#039;\u00e9viter l&#039;\u00e9cr\u00eatage ou la perte de signal.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Guide de configuration\u00a0: Configuration d\u2019APC sur la s\u00e9rie PL2000x<\/h2>\n\n\n\n<p>Le Premlink <strong>PL2000x CATV EDFA<\/strong> L&#039;appareil est pr\u00e9configur\u00e9 par d\u00e9faut en mode APC, car il offre l&#039;exp\u00e9rience utilisateur la plus conviviale pour les techniciens r\u00e9seau. Pour personnaliser la puissance de sortie, veuillez suivre les \u00e9tapes suivantes via l&#039;interface tactile\u00a0:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"848\" height=\"286\" src=\"https:\/\/www.premlink.net\/wp-content\/uploads\/2023\/01\/SETUP-APC.png\" alt=\"Mode CATV EDFA APC\" class=\"wp-image-14216\" srcset=\"https:\/\/www.premlink.net\/wp-content\/uploads\/2023\/01\/SETUP-APC.png 848w, https:\/\/www.premlink.net\/wp-content\/uploads\/2023\/01\/SETUP-APC-500x169.png 500w, https:\/\/www.premlink.net\/wp-content\/uploads\/2023\/01\/SETUP-APC-800x270.png 800w, https:\/\/www.premlink.net\/wp-content\/uploads\/2023\/01\/SETUP-APC-300x101.png 300w, https:\/\/www.premlink.net\/wp-content\/uploads\/2023\/01\/SETUP-APC-768x259.png 768w\" sizes=\"(max-width: 848px) 100vw, 848px\" \/><\/figure>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Acc\u00e9der \u00e0 la configuration\u00a0:<\/strong> Depuis le menu principal de l&#039;\u00e9cran LCD, appuyez sur <strong>\u201c&quot;Installation&quot;\u201d<\/strong> ic\u00f4ne.<\/li>\n\n\n\n<li><strong>S\u00e9lectionner le mode\u00a0:<\/strong> Assurez-vous que <strong>\u201c APC \u201d<\/strong> Le bouton est mis en surbrillance. Cela confirme que le syst\u00e8me mesure la puissance et non seulement le courant.<\/li>\n\n\n\n<li><strong>Valeur de la puissance d&#039;entr\u00e9e\u00a0:<\/strong> Appuyez sur <strong>\u201c Puissance de sortie du port \u201d<\/strong> Un clavier tactile appara\u00eetra, vous permettant de saisir votre niveau de dBm sp\u00e9cifique.<\/li>\n\n\n\n<li><strong>Sauvegarder et surveiller\u00a0:<\/strong> Cliquez sur Enregistrer. Le haut du menu affichera d\u00e9sormais la sortie ajust\u00e9e en temps r\u00e9el.<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"349\" src=\"https:\/\/www.premlink.net\/wp-content\/uploads\/2023\/01\/APC-Mode-1024x349.png\" alt=\"Amplificateur EDFA CATV - Mode APC EDFA\" class=\"wp-image-1995\" style=\"width:842px;height:auto\" srcset=\"https:\/\/www.premlink.net\/wp-content\/uploads\/2023\/01\/APC-Mode-1024x349.png 1024w, https:\/\/www.premlink.net\/wp-content\/uploads\/2023\/01\/APC-Mode-500x170.png 500w, https:\/\/www.premlink.net\/wp-content\/uploads\/2023\/01\/APC-Mode-800x273.png 800w, https:\/\/www.premlink.net\/wp-content\/uploads\/2023\/01\/APC-Mode-300x102.png 300w, https:\/\/www.premlink.net\/wp-content\/uploads\/2023\/01\/APC-Mode-768x262.png 768w, https:\/\/www.premlink.net\/wp-content\/uploads\/2023\/01\/APC-Mode.png 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Plage de r\u00e9glage\u00a0: \u00c9quilibrez votre liaison optique<\/h2>\n\n\n\n<p>L&#039;une des caract\u00e9ristiques les plus puissantes de <strong>Mode CATV EDFA APC<\/strong> La s\u00e9rie PL2000x offre la possibilit\u00e9 d&#039;ajuster les niveaux avec pr\u00e9cision sans modification mat\u00e9rielle. Le syst\u00e8me permet une grande flexibilit\u00e9 de r\u00e9glage\u00a0: <strong>-10 dB \u00e0 +0,5 dB<\/strong> par rapport \u00e0 la production nominale de l&#039;usine.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Puissance nominale par port<\/th><th>R\u00e9glage APC min. (-10 dB)<\/th><th>R\u00e9glage APC max. (+0,5 dB)<\/th><\/tr><\/thead><tbody><tr><td>17 dBm<\/td><td>7,0 dBm<\/td><td>17,5 dBm<\/td><\/tr><tr><td>19 dBm<\/td><td>9,0 dBm<\/td><td>19,5 dBm<\/td><\/tr><tr><td>22 dBm<\/td><td>12,0 dBm<\/td><td>22,5 dBm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Conseils de pro pour la gestion des APC<\/h3>\n\n\n\n<p><strong>1. La fonction \u201c Muet \u201d :<\/strong> Si vous devez effectuer un raccordement de fibre d&#039;urgence en aval, vous pouvez r\u00e9gler la valeur APC sur <strong>\u201c 0 \u201d<\/strong> et enregistrer. Cela permet de mettre la sortie \u00e0 z\u00e9ro sans \u00e9teindre l&#039;ensemble de l&#039;appareil.<\/p>\n\n\n\n<p><strong>2. Seuil de puissance maximale :<\/strong> Pour prot\u00e9ger le MTBF (temps moyen entre les pannes) du laser de pompe, le PL2000x ignorera toute valeur d&#039;entr\u00e9e qui d\u00e9passe la capacit\u00e9 de sortie maximale physique du mat\u00e9riel.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">FAQ\u00a0: Questions fr\u00e9quentes sur le mode EDFA APC<\/h3>\n\n\n\n<p><strong>Q1 : Le mode APC prot\u00e8ge-t-il contre l\u2019emballement thermique ?<\/strong><br><strong>UN:<\/strong> Oui. Comme APC surveille la puissance de sortie r\u00e9elle, il peut d\u00e9tecter si un laser peine \u00e0 fonctionner en raison de la chaleur et d\u00e9clenchera une alarme (via SNMP ou \u00e9cran LCD) si la puissance cible ne peut \u00eatre maintenue en toute s\u00e9curit\u00e9.<\/p>\n\n\n\n<p><strong>Q2 : Le mode APC est-il meilleur que le mode AGC pour un EDFA \u00e0 un seul \u00e9tage ?<\/strong><br><strong>UN:<\/strong> Pour la plupart des points de distribution de t\u00e9l\u00e9vision par c\u00e2ble, <strong>Mode APC<\/strong> est sup\u00e9rieur car il garantit que les r\u00e9cepteurs optiques (ONU) re\u00e7oivent toujours le dBm exact pour lequel ils ont \u00e9t\u00e9 \u00e9quilibr\u00e9s, maintenant ainsi un CNR (rapport porteuse-bruit) constant.<\/p>\n\n\n\n<p><strong>Q3 : Que se passe-t-il si la fibre d&#039;entr\u00e9e est d\u00e9connect\u00e9e en mode EDFA APC ?<\/strong><br><strong>UN:<\/strong> Le syst\u00e8me d\u00e9tectera la perte d&#039;entr\u00e9e et, pour des raisons de s\u00e9curit\u00e9, r\u00e9duira g\u00e9n\u00e9ralement la puissance de la pompe afin d&#039;\u00e9viter d&#039;endommager les composants internes de l&#039;EDFA ou de provoquer des risques pour la s\u00e9curit\u00e9 des yeux.<\/p>\n\n\n\n<p>Vous recherchez une solution haute densit\u00e9 ? <a href=\"https:\/\/www.premlink.net\/fr\/catv-edfa-eydfa\/\">Consultez les sp\u00e9cifications du PL2000x High Power EDFA<\/a> ou d\u00e9couvrez les diff\u00e9rences entre <a href=\"https:\/\/www.premlink.net\/fr\/mode-acc-et-agc-de-pon-eydfa\/\">Modes ACC et AGC<\/a>.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>In high-performance HFC and FTTH networks, keeping a strong optical budget is non-negotiable. Among the various control logics of optical [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2002,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"unboxed","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"disabled","adv-header-id-meta":"","stick-header-meta":"enabled","header-above-stick-meta":"","header-main-stick-meta":"disabled","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[46],"tags":[],"class_list":["post-1993","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center"],"_links":{"self":[{"href":"https:\/\/www.premlink.net\/fr\/wp-json\/wp\/v2\/posts\/1993","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.premlink.net\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.premlink.net\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.premlink.net\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.premlink.net\/fr\/wp-json\/wp\/v2\/comments?post=1993"}],"version-history":[{"count":0,"href":"https:\/\/www.premlink.net\/fr\/wp-json\/wp\/v2\/posts\/1993\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.premlink.net\/fr\/wp-json\/wp\/v2\/media\/2002"}],"wp:attachment":[{"href":"https:\/\/www.premlink.net\/fr\/wp-json\/wp\/v2\/media?parent=1993"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.premlink.net\/fr\/wp-json\/wp\/v2\/categories?post=1993"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.premlink.net\/fr\/wp-json\/wp\/v2\/tags?post=1993"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}