{"id":11410,"date":"2025-10-10T15:31:37","date_gmt":"2025-10-10T14:31:37","guid":{"rendered":"https:\/\/ukhub.netgear.com\/uk\/hub\/?page_id=11410"},"modified":"2025-10-24T17:47:39","modified_gmt":"2025-10-24T16:47:39","slug":"overview-of-official-poe-standards","status":"publish","type":"page","link":"https:\/\/ukhub.netgear.com\/uk\/hub\/business\/av\/overview-of-official-poe-standards\/","title":{"rendered":"Overview of Official PoE Standards (And Why Manufacturers Use Different Terminologies)"},"content":{"rendered":"    <div class=\"table-of-content bg-gray\">\n        <p><strong>IN THIS ARTICLE<\/strong><\/p>\n        <ul>\n                        <li><a href=\"#topic1\">PoE in AV applications<\/a><\/li>\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\">Learn More<\/a><\/li>\n                    <\/ul>\n    <\/div>\n        <div id=\"topic1\" class=\"skip-item\">\n                        <h2>PoE in AV applications<\/h2>\n                <p>In AV over IP networks, reliability and compatibility are key. More and more AV equipment is powered via Power over Ethernet (PoE), allowing 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.<\/p>\n<p>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?<\/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 backward 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 like 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                <div style=\"width:100%;border:1px solid #999;border-radius:6px;padding:0;margin:0\">\n<table style=\"width:100%;min-width:760px;border-collapse:collapse;white-space:nowrap\">\n<thead>\n<tr style=\"background:#f2f2f2\">\n<th style=\"border:1px solid #999;padding:8px;text-align:left\">IEEE Name<\/th>\n<th style=\"border:1px solid #999;padding:8px;text-align:left\">Type 1<\/th>\n<th style=\"border:1px solid #999;padding:8px;text-align:left\">Type 2<\/th>\n<th style=\"border:1px solid #999;padding:8px;text-align:left\">Type 3<\/th>\n<th style=\"border:1px solid #999;padding:8px;text-align:left\">Type 4<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #999;padding:8px\">Common Name<\/td>\n<td style=\"border:1px solid #999;padding:8px\">PoE<\/td>\n<td style=\"border:1px solid #999;padding:8px\">PoE+<\/td>\n<td style=\"border:1px solid #999;padding:8px\">PoE++ \/ 4PPoE<\/td>\n<td style=\"border:1px solid #999;padding:8px\">PoE++<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #999;padding:8px\">Power at PD<\/td>\n<td style=\"border:1px solid #999;padding:8px\">12.95 W<\/td>\n<td style=\"border:1px solid #999;padding:8px\">25.50 W<\/td>\n<td style=\"border:1px solid #999;padding:8px\">51 W<\/td>\n<td style=\"border:1px solid #999;padding:8px\">71.3 W<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #999;padding:8px\">Max Power from PSE<\/td>\n<td style=\"border:1px solid #999;padding:8px\">15.40 W<\/td>\n<td style=\"border:1px solid #999;padding:8px\">30.0 W<\/td>\n<td style=\"border:1px solid #999;padding:8px\">60 W<\/td>\n<td style=\"border:1px solid #999;padding:8px\">90 W<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #999;padding:8px\">Voltage Range (PSE)<\/td>\n<td style=\"border:1px solid #999;padding:8px\">44\u201357 V<\/td>\n<td style=\"border:1px solid #999;padding:8px\">50\u201357 V<\/td>\n<td style=\"border:1px solid #999;padding:8px\">52\u201357 V<\/td>\n<td style=\"border:1px solid #999;padding:8px\">\u2014<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #999;padding:8px\">Voltage Range (PD)<\/td>\n<td style=\"border:1px solid #999;padding:8px\">37\u201357 V<\/td>\n<td style=\"border:1px solid #999;padding:8px\">42.5\u201357 V<\/td>\n<td style=\"border:1px solid #999;padding:8px\">41.1\u201357 V<\/td>\n<td style=\"border:1px solid #999;padding:8px\">\u2014<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #999;padding:8px\">Max Current<\/td>\n<td style=\"border:1px solid #999;padding:8px\">350 mA<\/td>\n<td style=\"border:1px solid #999;padding:8px\">600 mA\/pair<\/td>\n<td style=\"border:1px solid #999;padding:8px\">960 mA\/pair<\/td>\n<td style=\"border:1px solid #999;padding:8px\">\u2014<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #999;padding:8px\">Cable Resistance<\/td>\n<td style=\"border:1px solid #999;padding:8px\">20 \u03a9 (Cat 3)<\/td>\n<td style=\"border:1px solid #999;padding:8px\">12.5 \u03a9 (Cat 5)<\/td>\n<td style=\"border:1px solid #999;padding:8px\">\u2014<\/td>\n<td style=\"border:1px solid #999;padding:8px\">\u2014<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #999;padding:8px\">Power Classes<\/td>\n<td style=\"border:1px solid #999;padding:8px\">1\u20133<\/td>\n<td style=\"border:1px solid #999;padding:8px\">1\u20134 or LLDP<\/td>\n<td style=\"border:1px solid #999;padding:8px\">1\u20136 or LLDP<\/td>\n<td style=\"border:1px solid #999;padding:8px\">1\u20138 or LLDP<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #999;padding:8px\">Temperature Derating<\/td>\n<td style=\"border:1px solid #999;padding:8px\">None<\/td>\n<td style=\"border:1px solid #999;padding:8px\">5\u00b0C (2-pair)<\/td>\n<td style=\"border:1px solid #999;padding:8px\">10\u00b0C (4-pair)<\/td>\n<td style=\"border:1px solid #999;padding:8px\">10\u00b0C (planned)<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #999;padding:8px\">Supported Cabling<\/td>\n<td style=\"border:1px solid #999;padding:8px\">Cat 3 &amp; 5<\/td>\n<td style=\"border:1px solid #999;padding:8px\">Cat 5<\/td>\n<td style=\"border:1px solid #999;padding:8px\">\u2014<\/td>\n<td style=\"border:1px solid #999;padding:8px\">\u2014<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #999;padding:8px\">Modes<\/td>\n<td style=\"border:1px solid #999;padding:8px\">Mode A\/B<\/td>\n<td style=\"border:1px solid #999;padding:8px\">Mode A\/B<\/td>\n<td style=\"border:1px solid #999;padding:8px\">Mode A\/B\/4-pair<\/td>\n<td style=\"border:1px solid #999;padding:8px\">4-pair mandatory<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><em>(Source: Wikipedia)<\/em><\/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 cause confusion, but it\u2019s usually driven by branding, product differentiation, and user education gaps. By understanding the official standards and scrutinizing product specs, users can make better choices for their network needs.<\/p>\n    <\/div>\n        <div id=\"topic6\" class=\"skip-item\">\n                        <h2>Learn More<\/h2>\n                <p>More information about our Business products<\/p>\n<div class=\"hs-cta-embed hs-cta-simple-placeholder hs-cta-embed-244081143526\" style=\"max-width: 100%;max-height: 100%;width: 260px;height: 50.390625px\" data-hubspot-wrapper-cta-id=\"244081143526\"><a href=\"https:\/\/cta-na2.hubspot.com\/web-interactives\/public\/v1\/track\/redirect?encryptedPayload=AVxigLLYPzCQDI3uh8vKne9F6xnhQYeeQ96nJAK3iBnxMFhxpNzCVcsXfDIlb1SSOT61%2FSQuA5P0Q6DQbHnKw85TeBEV79s66GC63e8QPh%2B3LvdAMr3yW4H%2FSMRp73WSijhsWFEtnXPY%2FrLKu77JCabsl%2FrARGcTD1ldDQvxDp78wdEdgMH4q63bALjNhw%3D%3D&amp;webInteractiveContentId=244081143526&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-244081143526.png\" alt=\"NETGEAR AV SOLUTIONS\" \/><br \/>\n<\/a><\/div>\n<p>&nbsp;<\/p>\n<p>Learn everything about IP-networking on NETGEAR ACADEMY<\/p>\n<div class=\"hs-cta-embed hs-cta-simple-placeholder hs-cta-embed-243392354033\" style=\"max-width: 100%;max-height: 100%;width: 260px;height: 50.390625px\" data-hubspot-wrapper-cta-id=\"243392354033\"><a href=\"https:\/\/cta-na2.hubspot.com\/web-interactives\/public\/v1\/track\/redirect?encryptedPayload=AVxigLIA9lkA0LY4yWXe692FzGXhe52y5ZJZm14FHS1E%2Bej9JcrpWJ4tHtrgPDxczCR%2FNsiysMABNwH31zTDO9zPsNJWKtqKg%2FUKS80Z%2B%2BC%2Bv%2Bm%2FkS%2BGXM75dzh3BgQgeqPHxpQJ41hae5XCnwTi%2BcSlv6VW0mqpSVyAw7eeT5eM6nMdsZ9bZ2JFH%2B%2FQmqJ05Y82BaqHyWz88sU7kkYZsw%3D%3D&amp;webInteractiveContentId=243392354033&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-243392354033.png\" alt=\"NETGEAR ACADEMY\" \/><br \/>\n<\/a><\/div>\n<p>&nbsp;<\/p>\n<p>Our engineers will help you on your project for free<\/p>\n<div class=\"hs-cta-embed hs-cta-simple-placeholder hs-cta-embed-243744855768\" style=\"max-width: 100%;max-height: 100%;width: 260px;height: 50.390625px\" data-hubspot-wrapper-cta-id=\"243744855768\"><a href=\"https:\/\/cta-na2.hubspot.com\/web-interactives\/public\/v1\/track\/redirect?encryptedPayload=AVxigLLFc6ycnO%2BOemSFZAXrgOxYGKm%2F%2FvU4VIunY1HLH88any9n2%2Bkw3KEps8cqNehILw2H0IkhrvR7D2gEkmI0JLg9KVASPlpCvprbKvDNzmdhD9W9L3z%2Fmy61jX%2BQ1Dwd%2FcvJB5TJdyNxJODr54WvEOk6WN%2BDNa%2Ff%2Fl0RNWaZ5v%2FNHrsWbmU35%2FC3dN68ixg7mkBdngZ1At5rqNTAF0pgyDtW%2BdRHqCuFITsxgbtr8048z5G03YdL7mwILQ%3D%3D&amp;webInteractiveContentId=243744855768&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-243744855768.png\" alt=\"CONTACT PROAV DESIGN\" \/><br \/>\n<\/a><\/div>\n<p>&nbsp;<\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/405nrr.share-na2.hsforms.com\/2w4xJwpRHQlylUQ9jDHM9lg\" width=\"100%\" height=\"1200px\"><\/iframe><\/p>\n    <\/div>\n    \n","protected":false},"excerpt":{"rendered":"","protected":false},"author":107,"featured_media":11411,"parent":6754,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"templates\/blog-wifi.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-11410","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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