{"id":3604,"date":"2025-11-27T00:00:00","date_gmt":"2025-11-27T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/products\/100g-112g-dual-rate-qsfp28-transceiver\/"},"modified":"2026-06-18T07:59:18","modified_gmt":"2026-06-18T07:59:18","slug":"100g-112g-dual-rate-qsfp28-transceiver","status":"publish","type":"post","link":"https:\/\/lp.szlogic.cn\/ru\/products\/100g-112g-dual-rate-qsfp28-transceiver","title":{"rendered":"Dual-Rate QSFP28 LQ-LW112-LR4C: 10km Module for DCI and OTN"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/87a018e455a24551b23a58c73e1d3d33.webp\" alt=\"Dual-Rate\u00a0QSFP28\u00a0Transceiver\" class=\"wp-image-3600\" srcset=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/87a018e455a24551b23a58c73e1d3d33.webp 1200w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/87a018e455a24551b23a58c73e1d3d33-300x178.webp 300w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/87a018e455a24551b23a58c73e1d3d33-1024x608.webp 1024w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/87a018e455a24551b23a58c73e1d3d33-768x456.webp 768w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/87a018e455a24551b23a58c73e1d3d33-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2605 Dual-Rate\u00a0QSFP28\u00a0Transceiver Introduction<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In the rapidly evolving landscape of data center architecture and metro networks, operators face a constant challenge: how to scale bandwidth efficiently while maintaining flexibility for different protocol standards. As traffic from cloud applications and AI workloads explodes, the need for robust 100G solutions is greater than ever.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Enter the <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/488452.htm\"><strong>LQ-LW112-LR4C<\/strong><\/a>, a powerhouse optical transceiver designed to solve these exact challenges. This <strong>dual-rate QSFP28 transceiver<\/strong> offers a seamless bridge between Ethernet and Transport networks, providing a future-proof solution for high-speed connectivity.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2605 The Power of Dual Rate: 100GBASE-LR4 and 112GBASE-OTU4 in One Module<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/99341174b167434f9099da9e84b372b7.webp\" alt=\"100GBASE-LR4 &#038; 112GBASE-OTU4\" class=\"wp-image-3601\" srcset=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/99341174b167434f9099da9e84b372b7.webp 1200w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/99341174b167434f9099da9e84b372b7-300x178.webp 300w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/99341174b167434f9099da9e84b372b7-1024x608.webp 1024w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/99341174b167434f9099da9e84b372b7-768x456.webp 768w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/99341174b167434f9099da9e84b372b7-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The defining feature of the LQ-LW112-LR4C is its versatility. Unlike standard transceivers that are locked to a single protocol, this module is engineered to support <strong>Dual-Rate<\/strong> operation.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>100GBASE-LR4:<\/strong> Ideally suited for standard Ethernet switches and router uplinks within data centers or campus backbones.<\/p><\/li><li><p><strong>112GBASE-OTU4:<\/strong> Essential for <a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/glossary\/what-is-otn-optical-transport-network\">Optical Transport Networks (OTN)<\/a>. The OTU4 rate includes the necessary overhead for <a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/glossary\/fec-forward-error-correction-in-optical-communication\">Forward Error Correction (FEC)<\/a> and management in long-haul transport systems.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">By combining these two capabilities, the <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/file\/datasheet\/lq-lw112-lr4c.pdf\"><strong>LQ-LW112-LR4C<\/strong><\/a> becomes a universal tool for network engineers, capable of acting as a client-side interface for both standard Ethernet switches and OTN WDM equipment.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2605 Technical Deep Dive: Key Specifications for 10km Reach<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Built on the industry-standard <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-27045-100g-qsfp28-sfp-dd.htm\"><strong>QSFP28<\/strong><\/a><strong> form factor<\/strong>, this module is optimized for high density and low power consumption. It utilizes four lanes of LAN WDM wavelengths in the <strong>1310nm<\/strong> range to achieve a reach of up to <strong>10km<\/strong> over <strong>Single-Mode Fiber (SMF)<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Here is a quick look at the technical specifications:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 189px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"189\"><p><strong>Feature<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>Specification<\/strong><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"189\"><p><span><strong>Model Number<\/strong><\/span><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/488452.htm\"><span>LQ-LW112-LR4C<\/span><\/a><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"189\"><p><span><strong>Form Factor<\/strong><\/span><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><span>QSFP28<\/span><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"189\"><p><span><strong>Data Rate<\/strong><\/span><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><span>100GBASE-LR4 (100 Gbps) &amp; 112GBASE-OTU4 (112 Gbps)<\/span><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"189\"><p><span><strong>Wavelength<\/strong><\/span><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><span>1310nm (LAN WDM)<\/span><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"189\"><p><span><strong>Max Distance<\/strong><\/span><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><span>10km<\/span><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"189\"><p><span><strong>Connector<\/strong><\/span><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><span>Duplex LC\/UPC<\/span><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"189\"><p><span><strong>Media<\/strong><\/span><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><span>Single-Mode Fiber (SMF)<\/span><\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2605 Simplify Your Inventory with the Dual-Rate QSFP28 10km<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">From an operational standpoint, the <strong>100G\/112G dual-rate capability<\/strong> translates directly into cost savings. Instead of stocking separate SKUs for Ethernet links and OTN transponders, procurement managers can standardize on the <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/488452.htm\">LQ-LW112-LR4C<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This consolidation simplifies inventory management, reduces the risk of ordering the wrong part, and allows for easier sparing strategies. Whether you are lighting up a new <strong>QSFP28 DCI solution<\/strong> or expanding a metro ring, one module covers both bases.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2605 Ensuring Reliability with Digital Optical Monitoring (DOM)<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ab3359e13a2e4a3787c3d15c9e2935d8.webp\" alt=\"Digital Optical Monitoring (DOM)\" class=\"wp-image-3602\" srcset=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ab3359e13a2e4a3787c3d15c9e2935d8.webp 1200w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ab3359e13a2e4a3787c3d15c9e2935d8-300x178.webp 300w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ab3359e13a2e4a3787c3d15c9e2935d8-1024x608.webp 1024w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ab3359e13a2e4a3787c3d15c9e2935d8-768x456.webp 768w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ab3359e13a2e4a3787c3d15c9e2935d8-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Network visibility is critical for maintaining Service Level Agreements (SLAs). The LQ-LW112-LR4C features integrated <strong>Digital Optical Monitoring (DOM)<\/strong>, fully compliant with industry standards.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DOM allows network administrators to monitor critical parameters in real-time via the I2C interface, including:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Transmitter output power<\/p><\/li><li><p>Receiver input power<\/p><\/li><li><p>Module temperature<\/p><\/li><li><p>Laser bias current<\/p><\/li><li><p>Transceiver supply voltage<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This level of insight allows for proactive maintenance, helping teams identify degrading fiber links or potential hardware issues before they result in a network outage.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2605 A Cost-Effective 100G\/112G DCI and Metro Solution<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Upgrading your optical infrastructure doesn&#8217;t have to be complicated. The <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/file\/datasheet\/lq-lw112-lr4c.pdf\"><strong>LQ-LW112-LR4C<\/strong><\/a> delivers the perfect balance of performance, reach, and protocol flexibility.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Whether you are connecting data centers across a city or linking switches across a large campus, this <strong>100GBASE-LR4 and 112GBASE-OTU4<\/strong> transceiver ensures your network is ready for the bandwidth demands of tomorrow.<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ready to upgrade your network backbone?<\/strong> Contact our sales team today for pricing and a full datasheet on the <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/488452.htm\"><strong>LQ-LW112-LR4C<\/strong><\/a>, or ask for a sample to test in your environment.<\/p>","protected":false},"excerpt":{"rendered":"<p>Unlock flexible, high-density 100G\/112G connectivity. The LQ-LW112-LR4C is a dual-rate QSFP28 10km transceiver supporting both 100GBASE-LR4 and 112GBASE-OTU4 over SMF.<\/p>","protected":false},"author":1,"featured_media":3603,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[28],"tags":[13,24,26],"class_list":["post-3604","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-products","tag-100g-modules","tag-link-pp","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/posts\/3604","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=3604"}],"version-history":[{"count":3,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/posts\/3604\/revisions"}],"predecessor-version":[{"id":10076,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/posts\/3604\/revisions\/10076"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/media\/3603"}],"wp:attachment":[{"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/media?parent=3604"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/categories?post=3604"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/tags?post=3604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}