{"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":"2026-06-22T09:37:55","modified_gmt":"2026-06-22T09:37:55","slug":"qsfp-dd-lr4-transceiver-400g-10km-solution","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/products\/qsfp-dd-lr4-transceiver-400g-10km-solution","title":{"rendered":"B\u1ed9 thu ph\u00e1t quang 400G QSFP-DD LR4 LQD-CW400-LR4C c\u1ee7a LINK-PP: Gi\u1ea3i ph\u00e1p quang h\u1ecdc l\u00ean \u0111\u1ebfn 10 km"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.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:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d0d84c2b2266454aa9de77cc6f1ba232.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d0d84c2b2266454aa9de77cc6f1ba232-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d0d84c2b2266454aa9de77cc6f1ba232-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d0d84c2b2266454aa9de77cc6f1ba232-768x432.jpg 768w, https:\/\/resourceslp.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\" >Gi\u1edbi thi\u1ec7u<\/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>B\u1ed9 thu ph\u00e1t quang QSFP-DD LR4 LINK-PP LQD-CW400-LR4C 400G<\/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\" >Nh\u1eefng \u0111i\u1ec3m ch\u00ednh c\u1ea7n ghi nh\u1edb<\/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>LI\u00caN K\u1ebeT-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> tr\u00ean kho\u1ea3ng c\u00e1ch <strong>v\u00e0 s\u1ee3i quang \u0111\u01a1n mode (SMF)<\/strong> up to a distance of <strong>10 kil\u00f4m\u00e9t<\/strong>. It is fully compliant with the <strong>IEEE 802.3bs<br><\/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\">\ud83d\udcc4 <strong>Download the LQD-CW400-LR4C Datasheet<\/strong>:<br\/>\ud83d\udc49<br> <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>\u0110\u1eb7c t\u00ednh<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>H\u1ec7 s\u1ed1 d\u1ea1ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>QSFP-DD<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>25Gbps<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>400 Gbps<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn<\/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>Tu\u00e2n th\u1ee7<\/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>H\u1ec7 Th\u1ed1ng C\u1ea5p Ngu\u1ed3n<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Single +3.3V<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Ti\u00eau Th\u1ee5 N\u0103ng L\u01b0\u1ee3ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Maximum 9.5W<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>0\u00b0C \u0111\u1ebfn +70\u00b0C<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Giao di\u1ec7n qu\u1ea3n l\u00fd<\/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<br><\/strong>, <strong>CMIS 4.0<br><\/strong>, v\u00e0 <strong>Nh\u00f3m li\u00ean minh \u0111\u1eb7c t\u1ea3 QSFP-DD (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>10 km<\/strong> of transmission over SMF with <strong>S\u1eeda l\u1ed7i ti\u1ebfn (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>y\u00eau c\u1ea7u m\u1eadt \u0111\u1ed9 c\u1ed5ng cao<\/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>K\u1ebft n\u1ed1i trung t\u00e2m d\u1eef li\u1ec7u (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\">\u2705 <strong>Proven Reliability<\/strong> \u2013 Rigorous testing ensures <strong>5+ years of stable operation<\/strong><br\/>\u2705 <strong>T\u01b0\u01a1ng th\u00edch \u0111a nh\u00e0 cung c\u1ea5p<\/strong> \u2013 Works with <strong>Cisco, Juniper, Arista, and more<\/strong><br\/>\u2705 <strong>Custom OEM Solutions<\/strong> \u2013 Tailored specifications for unique deployments<br\/>\u2705 <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\">LI\u00caN K\u1ebeT-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>B\u1ed9 thu ph\u00e1t quang 400G QSFP-DD LR4 LQD-CW400-LR4C c\u1ee7a LINK-PP cung c\u1ea5p t\u1ea7m ho\u1ea1t \u0111\u1ed9ng l\u00ean \u0111\u1ebfn 10 km, t\u1ed1c \u0111\u1ed9 400 Gbps v\u00e0 hi\u1ec7u su\u1ea5t ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng, l\u00fd t\u01b0\u1edfng cho trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 m\u1ea1ng doanh nghi\u1ec7p.<\/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:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5978","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/comments?post=5978"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5978\/revisions"}],"predecessor-version":[{"id":11512,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5978\/revisions\/11512"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/5977"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=5978"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=5978"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=5978"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}