{"id":61,"date":"2009-09-30T14:16:47","date_gmt":"2009-09-30T13:16:47","guid":{"rendered":"http:\/\/www.asavar.net\/blog\/?p=61"},"modified":"2024-02-24T16:19:26","modified_gmt":"2024-02-24T15:19:26","slug":"cpl-ou-wifi","status":"publish","type":"post","link":"https:\/\/www.asavar.net\/blog\/2009\/09\/30\/cpl-ou-wifi\/","title":{"rendered":"Cpl ou wifi : Quel est le choix ?"},"content":{"rendered":"

R\u00e9seau local familial : CPL comme base de l’extension ?<\/h4>\n

Je r\u00e9fl\u00e9chissais a la construction de mon r\u00e9seau local familial, apr\u00e8s ajout du NAS :cf billet ici<\/a>
\nLes \u00e9changes de donn\u00e9es peuvent \u00eatre gourmand en bande passante. L’acc\u00e8s au wifi n’est pas toujours d’une qualit\u00e9 extraordinaire au sein d’une maison un peu ancienne (avec des vrais murs).
\nJe me suis alors dit pourquoi ne pas greffer une partie de r\u00e9seau en CPL. (Courant Porteur)<\/a><\/p>\n

je pourrais ainsi profiter d’un d\u00e9bit plus \u00e9lev\u00e9 (200 mega th\u00e9oriques) et je r\u00e9duirai les ondes et je pensais m\u00eame \u00e0 eventuellement ajouter un relais wifi derri\u00e8re un adaptateur courant porteur.<\/p>\n

CPL et la sant\u00e9 ?<\/h4>\n

J’ai donc fait quelque recherches sur Internet pour bien comprendre comment fonctionnait la technologie du Courant Porteur en Ligne et v\u00e9rifier que cela correspondrait \u00e0 mes besoins.<\/p>\n

Quelle ne fut pas ma surprise de trouver de nombreux avertissements sur les ondes \u00e9mises par la technologie CPL.<\/p>\n

En effet, je pensais bien diminuer les \u00e9missions d’ondes en utilisant cette technologie. Toutefois, il semble que les \u00e9changes r\u00e9seaux \u00e9mettent un signal haute fr\u00e9quence v\u00e9hicul\u00e9 par le r\u00e9seau \u00e9lectrique interne. Celui ci se superpose donc au signal basse fr\u00e9quence du r\u00e9seau.<\/p>\n

Le probl\u00e8me \u00e9tant que les circuits install\u00e9es dans les habitations ne sont pas pr\u00e9vus pour ce type de signal et sont donc rarement blind\u00e9s. Si un syst\u00e8me reste constamment branch\u00e9 sur le r\u00e9seau, via courant porteur, les signaux circulent en permanence et \u00e9mettent donc ces rayonnements nocifs \u00e0 proximit\u00e9 des fils.<\/p>\n

Sachant que dans la plupart des chambres \u00e0 coucher il y a de chaque cot\u00e9 du lit au moins un interrupteur et une prise de courant, ces rayonnements sont donc en permanence (tout au moins le temps de notre sommeil) \u00e0 proximit\u00e9 de nos cerveaux.<\/p>\n

Cpl et la s\u00e9curit\u00e9 ?<\/h4>\n

Deuxi\u00e8me inconv\u00e9nient, les compteurs \u00e9lectriques ne stoppent pas les signaux CPL. Il y a donc en th\u00e9orie une faille de s\u00e9curit\u00e9 puisque les signaux r\u00e9seau peuvent remonter dans le circuit public.<\/p>\n

Certe le Wifi ne s’arrete pas au bord des murs de mon domicile, mais au vu de l’ensemble des inconv\u00e9nients, il m’a sembl\u00e9 que le CPL n’apportait finalement pas grand chose de plus dans ma situation, et que l’investissement pour l’instant n’en valait pas le cout.<\/p>\n

Quelques liens sur la technologie Courant Porteur.<\/p>\n

http:\/\/www.cpl-france.org\/<\/p>\n

http:\/\/www.maison-domotique.com\/powerline\/cpl.php<\/a><\/p>\n

http:\/\/www.generation-nt.com\/<\/a><\/p>\n

http:\/\/www.ant.equipement.gouv.fr<\/a><\/p>\n

http:\/\/www.next-up.org\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

R\u00e9seau local familial : CPL comme base de l’extension ? Je r\u00e9fl\u00e9chissais a la construction de mon r\u00e9seau local familial, apr\u00e8s ajout du NAS :cf billet ici Les \u00e9changes de donn\u00e9es peuvent \u00eatre gourmand en bande passante. L’acc\u00e8s au wifi… Continuer la lecture →<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":74,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[48],"tags":[21,150,22],"class_list":["post-61","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technologie","tag-cpl","tag-soho","tag-wifi"],"yoast_head":"\nCpl ou wifi : Quel est le choix ? 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