{"id":22,"date":"2026-02-11T06:05:38","date_gmt":"2026-02-11T06:05:38","guid":{"rendered":"https:\/\/securitywholesalers.com.au\/tools\/?page_id=22"},"modified":"2026-02-12T10:41:16","modified_gmt":"2026-02-12T10:41:16","slug":"poe-budget-calculator","status":"publish","type":"page","link":"https:\/\/www.securitywholesalers.com.au\/tools\/poe-budget-calculator\/","title":{"rendered":"PoE Budget Calculator"},"content":{"rendered":"\n<p>Why this next?<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Installers constantly miscalculate PoE<\/li>\n\n\n\n<li>It prevents real job failures<\/li>\n\n\n\n<li>It directly connects to product selection<\/li>\n\n\n\n<li>It\u2019s simpler than bandwidth but very practical<\/li>\n\n\n\n<li>It complements storage perfectly<\/li>\n<\/ul>\n\n\n\n<p>Storage answers:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u201cHow much space do I need?\u201d<\/p>\n<\/blockquote>\n\n\n\n<p>PoE answers:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u201cWill this system even power on?\u201d<\/p>\n<\/blockquote>\n\n\n\r\n    <div class=\"sw-calculator\" id=\"poeCalculator\">\r\n\r\n        <h3>PoE Budget Calculator<\/h3>\r\n\r\n        <label>Total Switch PoE Budget (Watts)<\/label>\r\n        <input type=\"number\" id=\"switchBudget\" value=\"130\" min=\"1\">\r\n\r\n        <label>Maximum Per-Port Power (Watts)<\/label>\r\n        <input type=\"number\" id=\"perPortMax\" value=\"30\" min=\"1\">\r\n\r\n        <label>Ambient Temperature (\u00b0C)<\/label>\r\n        <input type=\"number\" id=\"ambientTemp\" value=\"25\" min=\"0\">\r\n\r\n        <label>\r\n            <input type=\"checkbox\" id=\"redundancyMode\">\r\n            Enable Redundant Power (N+1 Planning)\r\n        <\/label>\r\n\r\n        <div id=\"poeGroups\">\r\n\r\n            <div class=\"poe-group\">\r\n\r\n                <label>Number of Devices<\/label>\r\n                <input type=\"number\" class=\"poe-cams\" value=\"4\" min=\"1\">\r\n\r\n                <label>Device Max Power Draw (Watts)<\/label>\r\n                <input type=\"number\" class=\"poe-watts\" value=\"8\" min=\"1\">\r\n\r\n                <label>PoE Standard Required<\/label>\r\n                <select class=\"poe-standard\">\r\n                    <option value=\"af\">802.3af<\/option>\r\n                    <option value=\"at\" selected>802.3at<\/option>\r\n                    <option value=\"bt\">802.3bt<\/option>\r\n                <\/select>\r\n\r\n                <label>Cable Length (meters)<\/label>\r\n                <input type=\"number\" class=\"poe-length\" value=\"30\" min=\"1\">\r\n\r\n            <\/div>\r\n\r\n        <\/div>\r\n\r\n        <button id=\"addPoeGroup\" type=\"button\">Add Device Group<\/button>\r\n\r\n        <hr>\r\n\r\n        <h4>UPS Runtime Estimator<\/h4>\r\n\r\n        <label>Battery Voltage (V)<\/label>\r\n        <input type=\"number\" id=\"upsVoltage\" value=\"12\">\r\n\r\n        <label>Battery Capacity (Ah)<\/label>\r\n        <input type=\"number\" id=\"upsAh\" placeholder=\"e.g. 9\">\r\n\r\n        <label>Estimated Efficiency (0.7\u20130.9)<\/label>\r\n        <input type=\"number\" id=\"upsEfficiency\" value=\"0.8\" step=\"0.05\" min=\"0.5\" max=\"1\">\r\n\r\n        <button id=\"calcPoeBtn\" type=\"button\">Calculate PoE Load<\/button>\r\n\r\n        <div id=\"poeResults\"><\/div>\r\n\r\n    <\/div>\r\n\r\n    \n","protected":false},"excerpt":{"rendered":"<p>Why this next? Storage answers: \u201cHow much space do I need?\u201d PoE answers: \u201cWill this system even power on?\u201d<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-22","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PoE Budget Calculator Calculate Power &amp; Port Requirements PoE<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.securitywholesalers.com.au\/tools\/poe-budget-calculator\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PoE Budget Calculator Calculate Power &amp; Port Requirements PoE\" \/>\n<meta property=\"og:description\" content=\"Why this next? 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