{"id":21243,"date":"2025-10-03T06:44:09","date_gmt":"2025-10-03T13:44:09","guid":{"rendered":"https:\/\/www.netgear.com\/hub\/?page_id=21243"},"modified":"2025-10-21T06:45:40","modified_gmt":"2025-10-21T13:45:40","slug":"poe-standards-explained","status":"publish","type":"page","link":"https:\/\/www.netgear.com\/hub\/business\/av\/poe-standards-explained\/","title":{"rendered":"Overview of Official PoE Standards (And Why Manufacturers Use Different Terminologies)"},"content":{"rendered":"    <div class=\"table-of-content bg-gray 21243\">\n        <p><strong>IN THIS ARTICLE<\/strong><\/p>\n        <ul>\n                        <li><a href=\"#topic2\">The Official PoE Standards<\/a><\/li>\n                        <li><a href=\"#topic3\">Comparison of PoE Parameters <\/a><\/li>\n                        <li><a href=\"#topic4\">Why Manufacturers Use Different PoE Names<\/a><\/li>\n                        <li><a href=\"#topic5\">Conclusion<\/a><\/li>\n                        <li><a href=\"#topic6\">More information<\/a><\/li>\n                    <\/ul>\n    <\/div>\n        <div id=\"topic1\" class=\"skip-item\">\n                        <p><em>In AV over IP networks, reliability and compatibility are key. Increasingly, AV equipment is powered via Power over Ethernet (PoE), enabling a single network cable to carry both data and power. This greatly simplifies installations, especially in complex environments like theaters, conference centers, and heritage buildings.<\/em><\/p>\n<p><em>Yet the wide variety of PoE names and standards often causes confusion among AV technicians, integrators, and system designers. What do terms like \u201cPoE+,\u201d \u201cUltra PoE,\u201d or \u201c4PPoE\u201d actually mean? And how can you tell if a switch or camera is compatible with your infrastructure?<\/em><\/p>\n<p><em>This blog provides a clear overview of the official IEEE PoE standards and explains why manufacturers use different terminology. With this knowledge, AV professionals can make better-informed decisions when designing, installing, and maintaining AV over IP networks..<\/em><\/p>\n    <\/div>\n        <div id=\"topic2\" class=\"skip-item\">\n                        <h2>The Official PoE Standards<\/h2>\n                <p><strong>IEEE 802.3af (PoE)<\/strong><br \/>\nIntroduced in 2003, this first official PoE standard delivers up to 15.4 watts of DC power over Cat5 cables, with approximately 12.95 watts usable after accounting for cable losses. This was sufficient for early PoE devices like IP phones and some wireless access points.<\/p>\n<p><strong>IEEE 802.3at (PoE+)<\/strong><br \/>\nReleased in 2009, PoE+ increased the maximum power to 30 watts, supporting more demanding devices such as PTZ (Pan, Tilt, Zoom) security cameras and newer wireless access points. PoE+ is backwards compatible with 802.3af, meaning a PoE+ switch can also power older PoE devices.<\/p>\n<p><strong>IEEE 802.3bt (PoE++ or 4PPoE)<\/strong><br \/>\nApproved in 2018, this latest standard introduced two new types: Type 3 (60 watts) and Type 4 (90 watts). It enables powering high-demand devices, such as LED lighting, interactive displays, and laptops. PoE++ or 4PPoE uses all four twisted pairs in a network cable to deliver increased power.<\/p>\n    <\/div>\n        <div id=\"topic3\" class=\"skip-item\">\n                        <h2>Comparison of PoE Parameters <\/h2>\n                <table>\n<thead>\n<tr>\n<td><strong>IEEE Name<\/strong><\/td>\n<td><strong>Type 1<\/strong><\/td>\n<td><strong>Type 2<\/strong><\/td>\n<td><strong>Type 3<\/strong><\/td>\n<td><strong>Type 4<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Common Name<\/td>\n<td>PoE<\/td>\n<td>PoE+<\/td>\n<td>PoE++ \/ 4PPoE<\/td>\n<td>PoE++<\/td>\n<\/tr>\n<tr>\n<td>Power at PD<\/td>\n<td>12.95 W<\/td>\n<td>25.50 W<\/td>\n<td>51 W<\/td>\n<td>71.3 W<\/td>\n<\/tr>\n<tr>\n<td>Max Power from PSE<\/td>\n<td>15.40 W<\/td>\n<td>30.0 W<\/td>\n<td>60 W<\/td>\n<td>90 W<\/td>\n<\/tr>\n<tr>\n<td>Voltage Range (PSE)<\/td>\n<td>44\u201357 V<\/td>\n<td>50\u201357 V<\/td>\n<td>52\u201357 V<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>Voltage Range (PD)<\/td>\n<td>37\u201357 V<\/td>\n<td>42.5\u201357 V<\/td>\n<td>41.1\u201357 V<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>Max Current<\/td>\n<td>350 mA<\/td>\n<td>600 mA\/pair<\/td>\n<td>960 mA\/pair<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>Cable Resistance<\/td>\n<td>20 \u03a9 (Cat 3)<\/td>\n<td>12.5 \u03a9 (Cat 5)<\/td>\n<td>\u2014<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>Power Classes<\/td>\n<td>1\u20133<\/td>\n<td>1\u20134 or LLDP<\/td>\n<td>1\u20136 or LLDP<\/td>\n<td>1\u20138 or LLDP<\/td>\n<\/tr>\n<tr>\n<td>Temperature Derating<\/td>\n<td>None<\/td>\n<td>5\u00b0C (2-pair)<\/td>\n<td>10\u00b0C (4-pair)<\/td>\n<td>10\u00b0C (planned)<\/td>\n<\/tr>\n<tr>\n<td>Supported Cabling<\/td>\n<td>Cat 3 &amp; 5<\/td>\n<td>Cat 5<\/td>\n<td>\u2014<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>Modes<\/td>\n<td>Mode A\/B<\/td>\n<td>Mode A\/B<\/td>\n<td>Mode A\/B\/4-pair<\/td>\n<td>4-pair mandatory<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>(Source: Wikipedia)<\/p>\n    <\/div>\n        <div id=\"topic4\" class=\"skip-item\">\n                        <h2>Why Manufacturers Use Different PoE Names<\/h2>\n                <p><strong>Marketing Strategies<\/strong><br \/>\nTo stand out, manufacturers often use catchy names like \u201cUltra PoE\u201d or \u201cHigh Power PoE,\u201d even if these fall within IEEE standards.<\/p>\n<p><strong>Compatibility and Specifications<\/strong><br \/>\nSome vendors create proprietary PoE solutions optimized for their own devices, leading to terms like \u201cenhanced PoE.\u201d<\/p>\n<p><strong>Innovation and Differentiation<\/strong><br \/>\nManufacturers may introduce new features before they\u2019re standardized, using unique names to highlight their R&amp;D efforts.<\/p>\n<p><strong>User Knowledge Gaps<\/strong><br \/>\nMany end users aren\u2019t familiar with IEEE standards. Vendors use simplified terms to appeal to non-technical audiences, even if they\u2019re not technically precise.<\/p>\n    <\/div>\n        <div id=\"topic5\" class=\"skip-item\">\n                        <h2>Conclusion<\/h2>\n                <p>While IEEE defines clear PoE standards, manufacturers often use varied names and marketing terms. This can be confusing, but gaps in branding, product differentiation, and user education usually drive it. By understanding the official standards and scrutinizing product specs, users can make better choices for their network needs.<\/p>\n<p>&nbsp;<\/p>\n    <\/div>\n        <div id=\"topic6\" class=\"skip-item\">\n                        <h2>More information<\/h2>\n                <p>Visit our website to see the AV Solutions.<\/p>\n<div class=\"hs-cta-embed hs-cta-simple-placeholder hs-cta-embed-207665517270\" style=\"max-width: 100%; max-height: 100%; width: 260px; height: 50.390625px;\" data-hubspot-wrapper-cta-id=\"207665517270\"><a href=\"https:\/\/cta-na2.hubspot.com\/web-interactives\/public\/v1\/track\/redirect?encryptedPayload=AVxigLJmwXrklZNG3x3dQ7tAAZQIgIsg1shDInvQ9VBbiHiZoCynUV94JMwOO0IxN3gIBFfSMSqx%2B6JTye6vQ0e3VWJvBOXvIOG8DLOj5CfIo65QGp3rxJtB4xP5%2BPKW8bYLWwhu%2F4g7Hlj8lPIBaJNHla0nSXV98AA3eiK4vTzTig%2FRyzOvY4%2F6ZA%3D%3D&amp;webInteractiveContentId=207665517270&amp;portalId=242128791\" target=\"_blank\" rel=\"noopener\"><br \/>\n<img decoding=\"async\" style=\"height: 100%; width: 100%; object-fit: fill;\" src=\"https:\/\/hubspot-no-cache-na2-prod.s3.amazonaws.com\/cta\/default\/242128791\/interactive-207665517270.png\" alt=\"NETGEAR AV SOLUTIONS\" \/><br \/>\n<\/a><\/div>\n<p>&nbsp;<\/p>\n<p>Discover everything you need to know about AVoIP and building an AV network.<\/p>\n<div class=\"hs-cta-embed hs-cta-simple-placeholder hs-cta-embed-207830330055\" style=\"max-width: 100%; max-height: 100%; width: 260px; height: 50.390625px;\" data-hubspot-wrapper-cta-id=\"207830330055\"><a href=\"https:\/\/cta-na2.hubspot.com\/web-interactives\/public\/v1\/track\/redirect?encryptedPayload=AVxigLKSEFYKgJJTOMNvVAoTPHd9IwVGVWcxfJGIQzPKPmf3kqu5eqnYdhOP3e5kL1JoHsd%2FyIg6PADR9eEN3LCOpzskNKTQ6xIB5bNNW7QLlQC0pKsNClFStn2fDSomLhGnkVYux9PpTd713XZ6AmvHA3Wog%2FezB50jMyKhiI08wVaPg%2B03H%2F3yJ0UKF15vzGWg94QPxEnqQzVW0v8tuA%3D%3D&amp;webInteractiveContentId=207830330055&amp;portalId=242128791\" target=\"_blank\" rel=\"noopener\"><br \/>\n<img decoding=\"async\" style=\"height: 100%; width: 100%; object-fit: fill;\" src=\"https:\/\/hubspot-no-cache-na2-prod.s3.amazonaws.com\/cta\/default\/242128791\/interactive-207830330055.png\" alt=\"NETGEAR ACADEMY\" \/><br \/>\n<\/a><\/div>\n<p>&nbsp;<\/p>\n<p>Get free support for your AV project from our senior AV engineers.<\/p>\n<div class=\"hs-cta-embed hs-cta-simple-placeholder hs-cta-embed-207818050288\" style=\"max-width: 100%; max-height: 100%; width: 260px; height: 50.390625px;\" data-hubspot-wrapper-cta-id=\"207818050288\"><a href=\"https:\/\/cta-na2.hubspot.com\/web-interactives\/public\/v1\/track\/redirect?encryptedPayload=AVxigLKUcC7MvFJO38VFkiikPrbyTi5ziTD%2Bsks5hEF1CRkcAePeUZNCMs%2BsBP%2BY2U8cIT6tXv8JO55NBtLFe5AvfK30eFWc8x4uOUwan7MJfWKfbfF%2Fo6GHhRW%2B%2FENwGGjwZ5X%2BGqgoCBr6jvU04ZU%2B%2BqjEyic3pTh3hqhAUxB83SOOu05SEvjHa478erXywJDlsVXn4vGGotZKwRqtiUQ7uIDz1coFhLDV%2FqvOaJWao10aLECzKW9LdQ%3D%3D&amp;webInteractiveContentId=207818050288&amp;portalId=242128791\" target=\"_blank\" rel=\"noopener\"><br \/>\n<img decoding=\"async\" style=\"height: 100%; width: 100%; object-fit: fill;\" src=\"https:\/\/hubspot-no-cache-na2-prod.s3.amazonaws.com\/cta\/default\/242128791\/interactive-207818050288.png\" alt=\"CONTACT PROAV DESIGN\" \/><br \/>\n<\/a><\/div>\n\n\t\t\t<div\n\t\t\tclass=\"hs-form-frame\"\n\t\t\tdata-region=\"na2\"\n\t\t\tdata-form-id=\"de76be58-5099-46f2-9aa1-e0c67296e48a\"\n\t\t\tdata-portal-id=\"242128791\"\n\t\t\t >\n\t\t\t<\/div>\n\t\t\t\n    <\/div>\n    \n","protected":false},"excerpt":{"rendered":"","protected":false},"author":121,"featured_media":21246,"parent":6754,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"templates\/blog-wifi.php","meta":{"_acf_changed":false,"content-type":"","_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"footnotes":"","_tec_slr_enabled":"","_tec_slr_layout":""},"class_list":["post-21243","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Overview of Official PoE Standards (And Why Manufacturers Use Different Terminologies) - NETGEAR Blog<\/title>\n<meta name=\"description\" content=\"Learn the difference between PoE, PoE+, PoE++, and 4PPoE. 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