{"id":17896,"date":"2023-07-02T05:37:40","date_gmt":"2023-07-02T05:37:40","guid":{"rendered":"https:\/\/www.tarluz.com\/?p=17896"},"modified":"2023-07-02T05:40:41","modified_gmt":"2023-07-02T05:40:41","slug":"qa-for-100g-sfp-dd-and-100g-dsfp-systems","status":"publish","type":"post","link":"https:\/\/www.tarluz.com\/ar\/data-center\/qa-for-100g-sfp-dd-and-100g-dsfp-systems\/","title":{"rendered":"Q&#038;A for 100G SFP-DD and 100G DSFP Systems"},"content":{"rendered":"<p><strong>Q1<\/strong>: What are the SFP-DD and DSFP form factors?<br \/>\n<strong>A1<\/strong>: The SFP-DD is short for Small Form-factor Pluggable &#8211; Double-Density and SFP-DD form-factor is defined by the SFP-DD MSA, while the DSFP is short for Dual Small Form-factor Pluggable and is defined by the DSFP MSA. They are a compact SFP-like form factor with 2x 50Gb\/s PAM-4 electrical lanes in each direction to enable a total bandwidth of 100G per port.<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-17903 size-full\" src=\"https:\/\/www.tarluz.com\/wp-content\/uploads\/2023\/07\/SFP-DD-DSFP.jpg\" alt=\"\" width=\"751\" height=\"213\" srcset=\"https:\/\/www.tarluz.com\/wp-content\/uploads\/2023\/07\/SFP-DD-DSFP.jpg 751w, https:\/\/www.tarluz.com\/wp-content\/uploads\/2023\/07\/SFP-DD-DSFP-300x85.jpg 300w\" sizes=\"auto, (max-width: 751px) 100vw, 751px\" \/><\/p>\n<p><strong>Q2<\/strong>: Why there are SFP-DD and DSFP form factors in the market?<br \/>\n<strong>A2<\/strong>: While both the SFP-DD and DSFP achieve the same objective (supporting up to 100G in an SFP-like form factor). The SFP-DD and DSFP have seen varying levels of deployment in different geographical regions: The DSFP in Asia, and the SFP-DD outside Asia.<\/p>\n<p><strong>Q3<\/strong>: Can SFP-DDs or DSFPs be used in 10G, 25G, or 50G SFP ports?<br \/>\n<strong>A3<\/strong>: No. SFP-DDs should only be inserted into SFP-DD ports, and DSFPs should only be inserted into DSFP ports.<\/p>\n<p><strong>Q4<\/strong>: What is the complete set of ethernet speeds that each SFP-DD \/ DSFP cable supports?<br \/>\n<strong>A4<\/strong>: Each SFP-DD and DSFP port consists of a 2-lane electrical interface, enabling a total bandwidth of 100Gbs per SFP-DD and DSFP port, realized by a maximum data rate of 50Gb\/s per lane. Each lane can be operated at lower speed data rates, and since the SFP-DD and DSFP DACs are passive copper cables, the cable does not impose restrictions on lane speed configuration (except that each lane must be operated at 50Gb\/s or lower data rate).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Q1: What are the SFP-DD and DSFP form factors? A1: The SFP-DD is short for Small Form-factor Pluggable &#8211; Double-Density and SFP-DD form-factor is defined by the SFP-DD MSA, while the DSFP is short for Dual Small Form-factor Pluggable and is defined by the DSFP MSA. They are a compact SFP-like form factor with 2x [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":17903,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[399],"tags":[],"class_list":["post-17896","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-data-center"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.3 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Q&amp;A for 100G SFP-DD and 100G DSFP Systems - TARLUZ - FIBER OPTIC SUPPLIERS<\/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.tarluz.com\/ar\/data-center\/qa-for-100g-sfp-dd-and-100g-dsfp-systems\/\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Q&amp;A for 100G SFP-DD and 100G DSFP Systems\" \/>\n<meta property=\"og:description\" content=\"Q1: What are the SFP-DD and DSFP form factors? A1: The SFP-DD is short for Small Form-factor Pluggable &#8211; Double-Density and SFP-DD form-factor is defined by the SFP-DD MSA, while the DSFP is short for Dual Small Form-factor Pluggable and is defined by the DSFP MSA. 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