{"id":756,"date":"2010-03-10T17:18:55","date_gmt":"2010-03-10T16:18:55","guid":{"rendered":"http:\/\/ccievoice.ksiazek.be\/?p=756"},"modified":"2025-01-11T18:28:02","modified_gmt":"2025-01-11T17:28:02","slug":"inline-power-cisco-and-802-3af","status":"publish","type":"post","link":"https:\/\/collaboration.ksiazek.be\/?p=756","title":{"rendered":"Inline Power : Cisco and 802.3af"},"content":{"rendered":"<p>There are 3 ways to power up a device:<\/p>\n<p>The external power supply unit<\/p>\n<p>Power over Ethernet (PoE) from a switch<\/p>\n<p>A Midspan power injector\/inline power patch panel (a device that sits between a switch and an IP Phone)<\/p>\n<p>Both the Cisco proprietary and IEEE 802.3af provide power to connected devices over switch port pins 1,2,3,6. When using midspan power injectors\/inine power patch panels, power is sent to the connected device using pins 4,5,6,7<\/p>\n<p>Reminder : For the Cisco proprietary method, the switch sees a coming back FLP and for 802.3af, the switch see a resistance of 25K ohms on a voltage applied (-2,8 to -10V)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>There are 3 ways to power up a device: The external power supply unit Power over Ethernet (PoE) from a switch A Midspan power injector\/inline power patch panel (a device that sits between a switch and an IP Phone) Both the Cisco proprietary and IEEE 802.3af provide power to connected devices over switch port pins [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[1,24,33],"tags":[293,59,105],"class_list":["post-756","post","type-post","status-publish","format-standard","hentry","category-non-classe","category-uncategorized","category-written-theory","tag-802-3af","tag-ccie-voice-written","tag-power-inline"],"_links":{"self":[{"href":"https:\/\/collaboration.ksiazek.be\/index.php?rest_route=\/wp\/v2\/posts\/756","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/collaboration.ksiazek.be\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/collaboration.ksiazek.be\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/collaboration.ksiazek.be\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/collaboration.ksiazek.be\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=756"}],"version-history":[{"count":1,"href":"https:\/\/collaboration.ksiazek.be\/index.php?rest_route=\/wp\/v2\/posts\/756\/revisions"}],"predecessor-version":[{"id":4356,"href":"https:\/\/collaboration.ksiazek.be\/index.php?rest_route=\/wp\/v2\/posts\/756\/revisions\/4356"}],"wp:attachment":[{"href":"https:\/\/collaboration.ksiazek.be\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=756"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/collaboration.ksiazek.be\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=756"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/collaboration.ksiazek.be\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=756"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}