{"id":211376,"date":"2022-09-09T15:11:00","date_gmt":"2022-09-09T12:11:00","guid":{"rendered":"https:\/\/geek.mediadoma.com\/?p=211376"},"modified":"2022-03-31T14:57:35","modified_gmt":"2022-03-31T11:57:35","slug":"raspberry-pis-nya-power-over-ethernet-hat-handlar-om-maximal-effekt","status":"publish","type":"post","link":"https:\/\/geek.mediadoma.com\/sv\/raspberry-pis-nya-power-over-ethernet-hat-handlar-om-maximal-effekt\/","title":{"rendered":"Raspberry Pis nya Power over Ethernet-HAT handlar om maximal effekt"},"content":{"rendered":"<p><a href=\"https:\/\/www.raspberrypi.org\/blog\/announcing-the-raspberry-pi-poe-hat\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">Raspberry Pi Foundation<\/a><\/p>\n<p>Att driva str\u00f6m till din Raspberry Pi-n\u00e4tverksinstallation kan bli en r\u00f6rig och dyr uppgift, speciellt om du anv\u00e4nder flera Pis eller vill installera din Pi i ett avl\u00e4gset omr\u00e5de. L\u00f6sningen? K\u00f6r n\u00e4tverk och str\u00f6m fr\u00e5n en enda Ethernet-kabel. Nu med 802.3at-st\u00f6d l\u00e5ter den uppgraderade <a href=\"https:\/\/www.raspberrypi.org\/blog\/announcing-the-raspberry-pi-poe-hat\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">PoE+ HAT<\/a> dig g\u00f6ra just det.<\/p>\n<p>Power over Ethernet (eller PoE) \u00e4r en teknik som l\u00e5ter n\u00e4tverkskablar b\u00e4ra str\u00f6m, vilket eliminerar behovet av extra str\u00f6mkablar eller uttag. Tekniken finns vanligtvis i VoIP-telefoner och s\u00e4kerhetskameror, eftersom den minskar r\u00f6ran och g\u00f6r str\u00f6mmen till omr\u00e5den utan uttag enklare, billigare och s\u00e4krare.<\/p>\n<p>Raspberry Pi Foundation tillk\u00e4nnagav sin f\u00f6rsta PoE-HAT 2018. Efter <a href=\"https:\/\/www.raspberrypi.org\/blog\/poe-hat-revision\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">n\u00e5gra revideringar<\/a> blev den en av Foundations mest s\u00e5lda tillbeh\u00f6r, \u00e4ven om den b\u00f6rjar bli lite f\u00f6r\u00e5ldrad. Mest anm\u00e4rkningsv\u00e4rt \u00e4r att den ursprungliga PoE HAT bara st\u00f6der 802.3af (15.4-watt) PoE-standarden, som k\u00e4mpar f\u00f6r att hantera en Pi med USB-tillbeh\u00f6r och inte ger tillr\u00e4ckligt med str\u00f6m f\u00f6r att k\u00f6ra Raspberry Pi 4 vid maximal belastning.<\/p>\n<p><a href=\"https:\/\/geek.mediadoma.com\/wp-content\/uploads\/2022\/03\/post-169055-623e535660cdb.png\" data-rel=\"lightbox\"><img decoding=\"async\" class=\"SDStudio-light-box-enable SDStudio-editor-tools-md-imp\" src=\"https:\/\/geek.mediadoma.com\/wp-content\/uploads\/2022\/03\/post-169055-623e535660cdb.png\" alt=\"Raspberry Pis nya Power over Ethernet-HAT handlar om maximal effekt\" ><\/a><\/p>\n<p><a href=\"https:\/\/www.raspberrypi.org\/products\/poe-plus-hat\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">Raspberry Pi Foundation<\/a><\/p>\n<p>Men den nya PoE+ HAT st\u00f6der b\u00e5de 802.3af (15.4-watt) och 802.3at (25.5-watt) PoE-standarder. N\u00e4r den paras ihop med kompatibel n\u00e4tverksutrustning kan den driva Raspberry Pi 4 med maximal belastning via en enda Ethernet-kabel. \u00c4ven om den fortfarande kommer att ha problem med kr\u00e4vande USB-tillbeh\u00f6r, \u00e4r den nya PoE+ HAT en stor uppgradering fr\u00e5n sin f\u00f6reg\u00e5ngare och en n\u00f6dv\u00e4ndighet f\u00f6r vissa n\u00e4tverksprojekt.<\/p>\n<p>Tillsammans med sina \u00f6kade kraftm\u00f6jligheter erbjuder den nya PoE+ HAT f\u00f6rb\u00e4ttrad termisk prestanda tack vare en ny plantransformator (som ers\u00e4tter den gamla tr\u00e5dlindade transformatorn) och en ny Microchip PD70224ILQ &quot;ideal&quot; diodlikriktare. Denna nya diodlikriktare b\u00f6r ocks\u00e5 g\u00f6ra PoE+ HAT mer str\u00f6msn\u00e5l \u00e4n sin f\u00f6reg\u00e5ngare.<\/p>\n<p>Best\u00e4llningar f\u00f6r <a href=\"https:\/\/www.raspberrypi.org\/products\/poe-plus-hat\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">PoE+ HAT<\/a> kommer att \u00f6ppnas i juni via utvalda \u00e5terf\u00f6rs\u00e4ljare. Precis som sin f\u00f6reg\u00e5ngare kostar den bara $20 och fungerar med b\u00e5de Pi 3B+ och Pi 4. Raspberry Pi Foundation s\u00e4ger att de kommer att forts\u00e4tta tillverka den ursprungliga PoE-HATTEN.<\/p>\n<p><a href=\"https:\/\/www.raspberrypi.org\/blog\/announcing-the-raspberry-pi-poe-hat\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">K\u00e4lla:<\/a> <a href=\"https:\/\/www.raspberrypi.org\/blog\/announcing-the-raspberry-pi-poe-hat\/\" target=\"_blank\" rel=\"noopener nofollow\" class=\"external external_icon\">Raspberry Pi Foundation<\/a><\/p>\n<p><div id=\"PostUnique_PostSource\" style=\"padding-top: 50px\">Inspelningsk\u00e4lla:  <a target=\"_blank\" rel=\"noopener nofollow\" href=\"\/\/www.reviewgeek.com\" class=\"external external_icon\">www.reviewgeek.com<\/a><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Att driva str\u00f6m till din Raspberry Pi-n\u00e4tverksinstallation kan bli en r\u00f6rig och dyr uppgift, speciellt om du anv\u00e4nder flera Pis eller vill installera din Pi i ett avl\u00e4gset omr\u00e5de. L\u00f6sningen? K\u00f6r n\u00e4tverk och str\u00f6m fr\u00e5n en enda Ethernet-kabel. Nu med 802.3at-st\u00f6d l\u00e5ter den uppgraderade PoE+ HAT dig g\u00f6ra just det.<\/p>\n","protected":false},"author":1,"featured_media":229936,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_wp_rev_ctl_limit":""},"categories":[646,730],"tags":[],"class_list":["post-211376","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-datorer","category-nyheter"],"_links":{"self":[{"href":"https:\/\/geek.mediadoma.com\/sv\/wp-json\/wp\/v2\/posts\/211376","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/geek.mediadoma.com\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/geek.mediadoma.com\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/geek.mediadoma.com\/sv\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/geek.mediadoma.com\/sv\/wp-json\/wp\/v2\/comments?post=211376"}],"version-history":[{"count":0,"href":"https:\/\/geek.mediadoma.com\/sv\/wp-json\/wp\/v2\/posts\/211376\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/geek.mediadoma.com\/sv\/wp-json\/wp\/v2\/media\/229936"}],"wp:attachment":[{"href":"https:\/\/geek.mediadoma.com\/sv\/wp-json\/wp\/v2\/media?parent=211376"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/geek.mediadoma.com\/sv\/wp-json\/wp\/v2\/categories?post=211376"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/geek.mediadoma.com\/sv\/wp-json\/wp\/v2\/tags?post=211376"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}