{"id":5978,"date":"2025-05-08T00:00:00","date_gmt":"2025-05-08T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/products\/qsfp-dd-lr4-transceiver-400g-10km-solution\/"},"modified":"2026-06-18T09:55:35","modified_gmt":"2026-06-18T09:55:35","slug":"qsfp-dd-lr4-transceiver-400g-10km-solution","status":"publish","type":"post","link":"https:\/\/lp.szlogic.cn\/ru\/products\/qsfp-dd-lr4-transceiver-400g-10km-solution","title":{"rendered":"LINK-PP LQD-CW400-LR4C 400G QSFP-DD LR4 Transceiver: Up to 10km Optical Solution"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d0d84c2b2266454aa9de77cc6f1ba232.jpg\" alt=\"LINK-PP LQD-CW400-LR4C 400G QSFP-DD LR4 Transceiver: Up to 10km Optical Solution\" class=\"wp-image-5976\" srcset=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d0d84c2b2266454aa9de77cc6f1ba232.jpg 1200w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d0d84c2b2266454aa9de77cc6f1ba232-300x169.jpg 300w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d0d84c2b2266454aa9de77cc6f1ba232-1024x576.jpg 1024w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d0d84c2b2266454aa9de77cc6f1ba232-768x432.jpg 768w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d0d84c2b2266454aa9de77cc6f1ba232-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >Introduction<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">As the demand for faster, more reliable, and higher-capacity data transmission grows, the need for next-generation optical modules becomes increasingly critical. Whether you&#8217;re building a hyperscale data center, enhancing your enterprise network, or preparing for the 400G Ethernet future, a powerful and reliable transceiver solution is essential.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Meet the <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472016.htm\"><strong>LINK-PP LQD-CW400-LR4C 400G QSFP-DD LR4 Transceiver<\/strong><\/a> \u2014 a high-performance optical module designed to meet the bandwidth and reliability demands of modern networking environments. In this post, we&#8217;ll explore its technical specifications, key features, use cases, and why it\u2019s an ideal choice for 400G deployments.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >Key Takeaways<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>The LINK-PP LQD-CW400-LR4C transceiver sends data up to 10 kilometers. This makes it great for big networks needing long-distance links.<\/p><\/li><li><p>It can send data at speeds up to 400Gbps. This helps data centers and businesses work faster with many users and apps at once.<\/p><\/li><li><p>Digital Diagnostic Monitoring (DDM\/DOM) shows how the network is working in real-time. It helps find problems early and keeps things running smoothly.<\/p><\/li><li><p>It works with big brands like Cisco and Arista. This makes it easy to add to current systems and upgrade networks.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >&#x1f50d; What is the LQD-CW400-LR4C 400G QSFP-DD LR4 Transceiver?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>LINK-PP LQD-CW400-LR4C<\/strong> is a QSFP-DD (Quad Small Form-Factor Pluggable Double Density) optical transceiver module that supports <strong>400 Gigabit Ethernet<\/strong> over <strong>single-mode fiber (SMF)<\/strong> up to a distance of <strong>10 kilometers<\/strong>. It is fully compliant with the <strong>IEEE 802.3bs<\/strong> standard and the <strong>QSFP-DD Multi-Source Agreement (MSA)<\/strong>, ensuring seamless interoperability with major networking hardware.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This module is engineered for high-performance environments and is ideal for <strong>long-reach 400G applications<\/strong>, such as data center interconnects (DCIs), enterprise core networks, and cloud infrastructure.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#x1f4c4; <strong>Download the LQD-CW400-LR4C Datasheet<\/strong>:<br\/>&#x1f449; <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/file\/datasheet\/lqd-cw400-lr4c.pdf\">View PDF<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >&#x2699;&#xfe0f; Technical Specifications<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Let\u2019s take a closer look at the core specifications of this powerful module:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p><strong>Feature<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>Specification<\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Form Factor<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>QSFP-DD<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Data Rate<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>400Gbps<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Transmission Distance<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Up to 10km over Single Mode Fiber (SMF) with FEC<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Interface Standard<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>400GAUI-8, CMIS 4.0<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Compliance<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>IEEE 802.3bs, QSFP-DD MSA, RoHS<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Power Supply<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Single +3.3V<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Power Consumption<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Maximum 9.5W<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Operating Temperature<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>0\u00b0C to +70\u00b0C<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Management Interface<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Two-wire serial <\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >&#x2705; Key Advantages of the LQD-CW400-LR4C Optical Transceivers<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >1. High Bandwidth and Scalability<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">With 400Gbps throughput packed into a compact QSFP-DD form factor, this transceiver allows you to scale your network infrastructure without compromising on port density or rack space.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >2. Compliance and Interoperability<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The LQD-CW400-LR4C complies with multiple industry standards including <strong>IEEE 802.3bs<\/strong>, <strong>CMIS 4.0<\/strong>, and the <strong>QSFP-DD MSA<\/strong>, making it compatible with a wide range of switches, routers, and networking gear.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >3. Efficient Thermal Design<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Designed for energy efficiency, the module has a <strong>maximum power consumption of only 9.5W<\/strong>, allowing it to operate within standard thermal envelopes. This helps reduce the need for advanced cooling systems.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >4. Long Reach with Low Latency<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Supporting up to <strong>10km<\/strong> of transmission over SMF with <strong>Forward Error Correction (FEC)<\/strong>, the module ensures high-speed data transmission with minimal latency and signal degradation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >5. Compact Yet Powerful<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">QSFP-DD\u2019s compact footprint supports <strong>high port density<\/strong>, allowing more bandwidth per RU (rack unit). <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >&#x1f310; Key Applications<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The LINK-PP LQD-CW400-LR4C is suited for several high-bandwidth, long-distance network applications, including:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>400G Ethernet Backbone Links<\/strong><\/p><\/li><li><p><strong>Data Center Interconnect (DCI)<\/strong><\/p><\/li><li><p><strong>Cloud and Hyperscale Network Deployments<\/strong><\/p><\/li><li><p><strong>Infiniband Systems<\/strong><\/p><\/li><li><p><strong>Enterprise Core and Metro Networks<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >&#x1f517;Why Choose LINK-PP for Your 400G QSFP-DD Needs?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">&#x2705; <strong>Proven Reliability<\/strong> \u2013 Rigorous testing ensures <strong>5+ years of stable operation<\/strong><br\/>&#x2705; <strong>Multi-Vendor Compatibility<\/strong> \u2013 Works with <strong>Cisco, Juniper, Arista, and more<\/strong><br\/>&#x2705; <strong>Custom OEM Solutions<\/strong> \u2013 Tailored specifications for unique deployments<br\/>&#x2705; <strong>Global Support &amp; Warranty<\/strong> \u2013 Dedicated technical assistance<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>&#x1f517; Explore Product Page:<\/strong> <a target=\"_blank\" rel=\"noreferrer\" href=\"https:\/\/www.l-p.com\/products\/472016.htm\">LINK-PP LQD-CW400-LR4C<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >FAQ<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q: Is the LQD-CW400-LR4C compatible with Cisco switches?<\/strong><br\/>A: Yes, it is <strong>fully compliant with QSFP-DD MSA<\/strong>, ensuring compatibility with Cisco and other major brands.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q: What is the maximum power consumption?<\/strong><br\/>A: <strong>\u22649.5W<\/strong>, optimized for energy efficiency.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q: Does LINK-PP offer extended temperature models?<\/strong><br\/>A: Yes, <strong>industrial-grade (-40\u00b0C to +85\u00b0C) versions<\/strong> are available upon request.<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup\/><tbody><tr\/><\/tbody>\n<\/table>\n<\/figure>","protected":false},"excerpt":{"rendered":"<p>The LINK-PP LQD-CW400-LR4C 400G QSFP-DD LR4 Transceiver offers 10km range, 400Gbps speed, and energy efficiency, ideal for data centers and enterprise networks.<\/p>","protected":false},"author":1,"featured_media":5977,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[28],"tags":[17,26],"class_list":["post-5978","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-products","tag-400g-optical-modules","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/posts\/5978","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/comments?post=5978"}],"version-history":[{"count":3,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/posts\/5978\/revisions"}],"predecessor-version":[{"id":10627,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/posts\/5978\/revisions\/10627"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/media\/5977"}],"wp:attachment":[{"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/media?parent=5978"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/categories?post=5978"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/tags?post=5978"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}