{"id":4235,"date":"2023-04-20T09:20:02","date_gmt":"2023-04-20T09:20:02","guid":{"rendered":"https:\/\/www.fibermall.com\/blog\/?p=4235"},"modified":"2023-12-08T04:00:55","modified_gmt":"2023-12-08T04:00:55","slug":"400g-data-center-qsfp-dd-aoc-cables","status":"publish","type":"post","link":"https:\/\/www.fibermall.com\/blog\/400g-data-center-qsfp-dd-aoc-cables.htm","title":{"rendered":"400G Data Center: QSFP-DD AOC Cables"},"content":{"rendered":"\n<p>QSFP-DD is a popular packaging mode in 400G data centers. 400G connections include intra-cabinet, inter-cabinet, long-reach, or room connections. 400G QSFP-DD AOC high-speed cables are conveniently used for intra-cabinet interconnections, and this article will specify the specifications related to QSFP-DD AOC active optical cables.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1086\" height=\"494\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/400G-data-centers.jpg\" alt=\"400G data centers\" class=\"wp-image-4236\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/400G-data-centers.jpg 1086w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/400G-data-centers-300x136.jpg 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/400G-data-centers-1024x466.jpg 1024w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/400G-data-centers-768x349.jpg 768w\" sizes=\"(max-width: 1086px) 100vw, 1086px\" \/><\/figure>\n\n\n\n<p>The fiber-based active fiber optic AOC is one of the best solutions to meet the stringent requirements for multiplexed communications and interconnections for high speed, high capacity, and high signal overall applications.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"ast-oembed-container \" style=\"height: 100%;\"><iframe title=\"400G QSFP-DD AOC Introduction and Application | FiberMall\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/0NrORsYNVIg?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<p>The <a href=\"https:\/\/www.fibermall.com\/sale-459291-400g-qsfp-dd-aoc-active-cable-2m.htm\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0000ff;\">QSFP-DD AOC<\/span><\/a> contains one or more optical modules at each end and is connected by fiber optics in the middle for interconnection between devices.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" width=\"752\" height=\"438\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/QSFP-DD-AOC.png\" alt=\"QSFP-DD AOC\" class=\"wp-image-4237\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/QSFP-DD-AOC.png 752w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/QSFP-DD-AOC-300x175.png 300w\" sizes=\"(max-width: 752px) 100vw, 752px\" \/><\/figure>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.fibermall.com\/blog\/400g-data-center-qsfp-dd-aoc-cables.htm\/#QSFP-DD_AOC\" >QSFP-DD AOC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.fibermall.com\/blog\/400g-data-center-qsfp-dd-aoc-cables.htm\/#QSFP-DD_to_2x200G_QSFP56_AOC\" >QSFP-DD&nbsp;to 2x200G QSFP56 AOC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.fibermall.com\/blog\/400g-data-center-qsfp-dd-aoc-cables.htm\/#QSFP-DD_to_4x100G_QSFP28_AOC\" >QSFP-DD&nbsp;to 4x100G QSFP28 AOC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.fibermall.com\/blog\/400g-data-center-qsfp-dd-aoc-cables.htm\/#QSFP-DD_to_8x50G_SFP56_AOC\" >QSFP-DD&nbsp;to 8x50G SFP56&nbsp;AOC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.fibermall.com\/blog\/400g-data-center-qsfp-dd-aoc-cables.htm\/#Summary\" >Summary<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.fibermall.com\/blog\/400g-data-center-qsfp-dd-aoc-cables.htm\/#Related_Posts\" >Related Posts<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-qsfp-dd-aoc\"><span class=\"ez-toc-section\" id=\"QSFP-DD_AOC\"><\/span><span style=\"font-size: 14pt;\"><strong>QSFP-DD AOC<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" width=\"518\" height=\"310\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/400G-QSFP-DD-AOC.png\" alt=\"400G QSFP-DD AOC\" class=\"wp-image-4238\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/400G-QSFP-DD-AOC.png 518w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/400G-QSFP-DD-AOC-300x180.png 300w\" sizes=\"(max-width: 518px) 100vw, 518px\" \/><\/figure>\n\n\n\n<p>The QSFP-DD AOC uses QSFP-DD package modules on both ends and VCSEL array technology to modulate signals based on PAM4 at 26.7Gbps baud rate, enabling rates of up to 53Gbps per channel.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"776\" height=\"137\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/The-QSFP-DD-AOC-uses-QSFP-DD-package-modules-on-both-ends.png\" alt=\"The QSFP-DD AOC uses QSFP-DD package modules on both ends\" class=\"wp-image-4239\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/The-QSFP-DD-AOC-uses-QSFP-DD-package-modules-on-both-ends.png 776w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/The-QSFP-DD-AOC-uses-QSFP-DD-package-modules-on-both-ends-300x53.png 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/The-QSFP-DD-AOC-uses-QSFP-DD-package-modules-on-both-ends-768x136.png 768w\" sizes=\"(max-width: 776px) 100vw, 776px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-qsfp-dd-nbsp-to-2x200g-qsfp56-aoc\"><span class=\"ez-toc-section\" id=\"QSFP-DD_to_2x200G_QSFP56_AOC\"><\/span><span style=\"font-size: 14pt;\"><strong>QSFP-DD<\/strong><strong>&nbsp;to <\/strong><strong>2x200G QSFP56 AOC<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"774\" height=\"504\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/QSFP-DD-to-2x200G-QSFP56.png\" alt=\"QSFP-DD to 2x200G QSFP56\" class=\"wp-image-4240\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/QSFP-DD-to-2x200G-QSFP56.png 774w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/QSFP-DD-to-2x200G-QSFP56-300x195.png 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/QSFP-DD-to-2x200G-QSFP56-768x500.png 768w\" sizes=\"(max-width: 774px) 100vw, 774px\" \/><\/figure>\n\n\n\n<p>QSFP-DD to 2x200G QSFP56 AOC active optical cable with <a href=\"https:\/\/www.fibermall.com\/store-20656-400g-qsfp-dd.htm\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0000ff;\">400G QSFP-DD module<\/span><\/a> at one end and 2 x 200G QSFP56 modules at the other end for interworking link between 1 x 400G and 2 x 200G Ethernet in the data center.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"225\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/1-to-2.png\" alt=\"1 to 2\" class=\"wp-image-4241\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/1-to-2.png 1080w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/1-to-2-300x63.png 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/1-to-2-1024x213.png 1024w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/1-to-2-768x160.png 768w\" sizes=\"(max-width: 1080px) 100vw, 1080px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-qsfp-dd-nbsp-to-4x100g-qsfp28-aoc\"><span class=\"ez-toc-section\" id=\"QSFP-DD_to_4x100G_QSFP28_AOC\"><\/span><span style=\"font-size: 14pt;\"><strong>QSFP-DD<\/strong><strong>&nbsp;to <\/strong><strong>4x100G QSFP28 AOC<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"835\" height=\"587\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/QSFP-DD-to-4x100G-QSFP28-AOC.png\" alt=\"QSFP-DD to 4x100G QSFP28 AOC\" class=\"wp-image-4242\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/QSFP-DD-to-4x100G-QSFP28-AOC.png 835w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/QSFP-DD-to-4x100G-QSFP28-AOC-300x211.png 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/QSFP-DD-to-4x100G-QSFP28-AOC-768x540.png 768w\" sizes=\"(max-width: 835px) 100vw, 835px\" \/><\/figure>\n\n\n\n<p>QSFP-DD to 4x100G QSFP28 AOC active optical cable with 400G QSFP-DD modules on one end and four 100G QSFP28 modules on the other end for interconnecting 1-way 400G and 4-way 100G Ethernet in the data center. Uses reliable VCSEL array technology with low power consumption and low cost.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"276\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/1-to-4.png\" alt=\"1 to 4\" class=\"wp-image-4243\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/1-to-4.png 1080w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/1-to-4-300x77.png 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/1-to-4-1024x262.png 1024w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/1-to-4-768x196.png 768w\" sizes=\"(max-width: 1080px) 100vw, 1080px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-qsfp-dd-nbsp-to-8x50g-sfp56-nbsp-aoc\"><span class=\"ez-toc-section\" id=\"QSFP-DD_to_8x50G_SFP56_AOC\"><\/span><span style=\"font-size: 14pt;\"><strong>QSFP-DD<\/strong><strong>&nbsp;to <\/strong><strong>8x50G SFP56&nbsp;AOC<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"872\" height=\"652\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/QSFP-DD-to-8x50G-SFP56-AOC.png\" alt=\"QSFP-DD to 8x50G SFP56\u00a0AOC\" class=\"wp-image-4244\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/QSFP-DD-to-8x50G-SFP56-AOC.png 872w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/QSFP-DD-to-8x50G-SFP56-AOC-300x224.png 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/QSFP-DD-to-8x50G-SFP56-AOC-768x574.png 768w\" sizes=\"(max-width: 872px) 100vw, 872px\" \/><\/figure>\n\n\n\n<p>QSFP-DD to 8x50G SFP56 AOC active optical cable with 400G QSFP-DD modules on one end and 8x50G SFP56 modules on the other for interconnecting 1-way 400G and 8-way 50G Ethernet in data centers, using reliable VCSEL technology with low power consumption and low cost.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"362\" src=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/1-to-8.png\" alt=\"1 to 8\" class=\"wp-image-4245\" srcset=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/1-to-8.png 1080w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/1-to-8-300x101.png 300w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/1-to-8-1024x343.png 1024w, https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2023\/04\/1-to-8-768x257.png 768w\" sizes=\"(max-width: 1080px) 100vw, 1080px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-summary\"><span class=\"ez-toc-section\" id=\"Summary\"><\/span><span style=\"font-size: 14pt;\"><strong><b>Summary<\/b><\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Compared with the optical module plus fiber optic patch cable connection solution, in addition to the price advantage, AOC active optical cable has the advantages of lightweight, longer transmission distance than DAC, resisting electromagnetic interference (EMI), and easy cable management.<\/p>\n<style>\r\n\r\n        .lwrp.link-whisper-related-posts{\r\n            \r\n            margin-top: 40px;\nmargin-bottom: 30px;\r\n        }\r\n        .lwrp .lwrp-title{\r\n            \r\n            \r\n        }\r\n        .lwrp .lwrp-description{\r\n            \r\n            \r\n\r\n        }\r\n        .lwrp .lwrp-list-container{\r\n        }\r\n        .lwrp .lwrp-list-multi-container{\r\n            display: flex;\r\n        }\r\n        .lwrp .lwrp-list-double{\r\n            width: 48%;\r\n        }\r\n        .lwrp .lwrp-list-triple{\r\n            width: 32%;\r\n        }\r\n        .lwrp .lwrp-list-row-container{\r\n            display: flex;\r\n            justify-content: space-between;\r\n        }\r\n        .lwrp .lwrp-list-row-container .lwrp-list-item{\r\n            width: calc(100% - 20px);\r\n        }\r\n        .lwrp .lwrp-list-item:not(.lwrp-no-posts-message-item){\r\n            \r\n            list-style: decimal;\r\n        }\r\n        .lwrp .lwrp-list-item img{\r\n            max-width: 100%;\r\n            height: auto;\r\n        }\r\n        .lwrp .lwrp-list-item.lwrp-empty-list-item{\r\n            background: initial !important;\r\n        }\r\n        .lwrp .lwrp-list-item .lwrp-list-link .lwrp-list-link-title-text,\r\n        .lwrp .lwrp-list-item .lwrp-list-no-posts-message{\r\n            \r\n                \r\n        }\r\n        @media screen and (max-width: 480px) {\r\n            .lwrp.link-whisper-related-posts{\r\n                \r\n                \r\n            }\r\n            .lwrp .lwrp-title{\r\n                \r\n                \r\n            }\r\n            .lwrp .lwrp-description{\r\n                \r\n                \r\n            }\r\n            .lwrp .lwrp-list-multi-container{\r\n                flex-direction: column;\r\n            }\r\n            .lwrp .lwrp-list-multi-container ul.lwrp-list{\r\n                margin-top: 0px;\r\n                margin-bottom: 0px;\r\n                padding-top: 0px;\r\n                padding-bottom: 0px;\r\n            }\r\n            .lwrp .lwrp-list-double,\r\n            .lwrp .lwrp-list-triple{\r\n                width: 100%;\r\n            }\r\n            .lwrp .lwrp-list-row-container{\r\n                justify-content: initial;\r\n                flex-direction: column;\r\n            }\r\n            .lwrp .lwrp-list-row-container .lwrp-list-item{\r\n                width: 100%;\r\n            }\r\n            .lwrp .lwrp-list-item:not(.lwrp-no-posts-message-item){\r\n                \r\n                \r\n            }\r\n            .lwrp .lwrp-list-item .lwrp-list-link .lwrp-list-link-title-text,\r\n            .lwrp .lwrp-list-item .lwrp-list-no-posts-message{\r\n                \r\n                    \r\n            }\r\n        }<\/style>\r\n<div id=\"link-whisper-related-posts-widget\" class=\"link-whisper-related-posts lwrp\">\r\n            <h3 class=\"lwrp-title\">Related Posts<\/h3>    \r\n        <div class=\"lwrp-list-container\">\r\n                                            <ul class=\"lwrp-list lwrp-list-single\">\r\n                    <li class=\"lwrp-list-item\"><a href=\"https:\/\/www.fibermall.com\/blog\/gpu-pcle-nvlink-nvswitch.htm\" class=\"lwrp-list-link\"><span class=\"lwrp-list-link-title-text\">GPU Distributed Communication Technologies: PCle, NVLink, NVSwitch<\/span><\/a><\/li><li class=\"lwrp-list-item\"><a href=\"https:\/\/www.fibermall.com\/blog\/mpo-12-fiber.htm\" class=\"lwrp-list-link\"><span class=\"lwrp-list-link-title-text\">Comprehensive Guide to MPO-12 Fiber Optic Cable for High-Speed Connectivity<\/span><\/a><\/li><li class=\"lwrp-list-item\"><a href=\"https:\/\/www.fibermall.com\/blog\/5-port-network-switch.htm\" class=\"lwrp-list-link\"><span class=\"lwrp-list-link-title-text\">Unleash Your Network&#8217;s Potential: The Ultimate 5-Port Gigabit Ethernet Switch for Home and Office.<\/span><\/a><\/li><li class=\"lwrp-list-item\"><a href=\"https:\/\/www.fibermall.com\/questions\/can-400g-fr4-lr4-interoperate.htm\" class=\"lwrp-list-link\"><span class=\"lwrp-list-link-title-text\">Can the 400G-FR4 and 400G-LR4 Transceivers Interoperate with Each Other?<\/span><\/a><\/li><li class=\"lwrp-list-item\"><a href=\"https:\/\/www.fibermall.com\/blog\/white-box-switch.htm\" class=\"lwrp-list-link\"><span class=\"lwrp-list-link-title-text\">White-Box Switch Technology Overview<\/span><\/a><\/li>                <\/ul>\r\n                        <\/div>\r\n<\/div>","protected":false},"excerpt":{"rendered":"<p>QSFP-DD is a popular packaging mode in 400G data centers. 400G connections include intra-cabinet, inter-cabinet, long-reach, or room connections. 400G QSFP-DD AOC high-speed cables are conveniently used for intra-cabinet interconnections, and this article will specify the specifications related to QSFP-DD AOC active optical cables. The fiber-based active fiber optic AOC is one of the best 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