{"id":4324,"date":"2025-06-26T00:00:00","date_gmt":"2025-06-26T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/what-is-cwdm-understanding-coarse-wavelength-division-multiplexing\/"},"modified":"2026-06-09T09:21:10","modified_gmt":"2026-06-09T09:21:10","slug":"what-is-cwdm-understanding-coarse-wavelength-division-multiplexing","status":"publish","type":"post","link":"https:\/\/lp.szlogic.cn\/ru\/glossary\/what-is-cwdm-understanding-coarse-wavelength-division-multiplexing","title":{"rendered":"What is CWDM Understanding Coarse Wavelength Division Multiplexing"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"585\" src=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/207c78495fc74b8386796c0b1b94c0af.webp\" alt=\"What is CWDM Understanding Coarse Wavelength Division Multiplexing\" class=\"wp-image-4319\" srcset=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/207c78495fc74b8386796c0b1b94c0af.webp 1200w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/207c78495fc74b8386796c0b1b94c0af-300x146.webp 300w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/207c78495fc74b8386796c0b1b94c0af-1024x499.webp 1024w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/207c78495fc74b8386796c0b1b94c0af-768x374.webp 768w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/207c78495fc74b8386796c0b1b94c0af-18x9.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\">In today&#8217;s data-driven world, network operators constantly grapple with the challenge: <\/span><span class=\"qc-p1-tag\"><strong>How do you cost-effectively increase bandwidth over existing fiber infrastructure?<\/strong><\/span><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\"> The answer often lies not in laying more fiber, but in utilizing the existing strands more efficiently. Enter <\/span><span class=\"qc-p1-tag\"><strong>Coarse Wavelength Division Multiplexing (CWDM)<\/strong><\/span><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\">, a powerful and accessible optical networking technology. But what exactly is CWDM, and why does it matter for your network?<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27bd Key Takeaways<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>CWDM<\/strong> lets many data signals move together on one fiber. It does this by using different light wavelengths that are 20 nanometers apart.<\/p><\/li>\n\n\n\n<li><p>It saves money and energy because it uses uncooled lasers and passive parts. This makes it great for city and campus networks.<\/p><\/li>\n\n\n\n<li><p>CWDM can support up to 18 channels. It works well for distances up to 80 kilometers. You do not need to install new fiber.<\/p><\/li>\n\n\n\n<li><p>The system uses mux\/demux units and <a href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\" target=\"_blank\" rel=\"\"><strong>optical transceivers.<\/strong><\/a> These help combine and separate signals. This makes it easy to grow and change the network.<\/p><\/li>\n\n\n\n<li><p><strong>CWDM costs less and is easier<\/strong> than DWDM. But it has fewer channels and works for shorter distances. It is best for medium-speed and moderate-distance networks.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27bd Understanding the Core Concept: What is CWDM?<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"585\" src=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d91e2df808d549329b2b6ba22e7d9daa.webp\" alt=\"CWDM\" class=\"wp-image-4320\" srcset=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d91e2df808d549329b2b6ba22e7d9daa.webp 1200w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d91e2df808d549329b2b6ba22e7d9daa-300x146.webp 300w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d91e2df808d549329b2b6ba22e7d9daa-1024x499.webp 1024w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d91e2df808d549329b2b6ba22e7d9daa-768x374.webp 768w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d91e2df808d549329b2b6ba22e7d9daa-18x9.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Imagine a multi-lane highway. Instead of sending all vehicles down a single lane causing congestion, multiple lanes allow simultaneous traffic flow, vastly increasing throughput. CWDM operates on a similar principle for optical fiber.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>CWDM is a technology that enables multiple optical signals (each carried by a different wavelength, or &#8220;color,&#8221; of laser light) to be transmitted simultaneously over a single optical fiber.<\/strong> Each wavelength acts as an independent channel, carrying its own data stream. The term &#8220;Coarse&#8221; refers to the wider spacing between these wavelengths compared to its cousin, Dense Wavelength Division Multiplexing (DWDM). Standard CWDM uses 18 wavelengths defined by the ITU-T G.694.2 grid, spaced 20 nanometers (nm) apart, typically within the 1270nm to 1610nm range (though the most commonly used are between 1470nm and 1610nm).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>CWDM<\/strong> is part of a bigger group called <a target=\"_blank\" href=\"https:\/\/resources.l-p.com\/glossary\/wdm-optical-transceiver-module-applications\"><strong>wavelength-division multiplexing<\/strong><\/a>, or WDM. WDM means sending many signals over one fiber by using different wavelengths. <strong>CWDM<\/strong> is special because it uses uncooled lasers and wider channel spacing. This design saves power and lowers costs. <strong>CWDM<\/strong> works best for distances up to 80 kilometers. It is great for city networks, campus links, and access networks.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27bd How CWDM Works: The Essential Components<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"585\" src=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5a3a735bb3da4686be38f3580cb4ecb5.webp\" alt=\"CWDM\" class=\"wp-image-4321\" srcset=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5a3a735bb3da4686be38f3580cb4ecb5.webp 1200w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5a3a735bb3da4686be38f3580cb4ecb5-300x146.webp 300w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5a3a735bb3da4686be38f3580cb4ecb5-1024x499.webp 1024w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5a3a735bb3da4686be38f3580cb4ecb5-768x374.webp 768w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5a3a735bb3da4686be38f3580cb4ecb5-18x9.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A basic CWDM system involves these key elements:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>CWDM Transmitters <\/strong><a href=\"https:\/\/resources.l-p.com\/knowledge-center\/laser-type-in-optical-transceiver\" target=\"_blank\" rel=\"\"><strong>(Lasers)<\/strong><\/a><strong>:<\/strong> Located at the transmitting end, each signal source (e.g., a router, switch, or server) is connected to an <strong>optical transceiver module<\/strong>. This module emits a laser beam at one specific CWDM wavelength.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>CWDM Mux (Multiplexer):<\/strong> This passive device combines (multiplexes) all the individual optical signals, each on its unique wavelength, onto a single outgoing fiber strand. Think of it as the on-ramp merging all the wavelength-specific lanes onto the main fiber highway.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Optical Fiber:<\/strong> The single strand carries the combined multi-wavelength signal over distances, ranging from a few kilometers up to 80km or more, depending on the transceivers and fiber quality.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>CWDM Demux (Demultiplexer):<\/strong> At the receiving end, this passive device performs the reverse function. It separates (demultiplexes) the combined signal back into its individual wavelengths. Think of it as the off-ramp splitting the highway back into individual lanes.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>CWDM Receivers <\/strong><a href=\"https:\/\/resources.l-p.com\/knowledge-center\/pin-apd-photodiode-technologies-applications\" target=\"_blank\" rel=\"\"><strong>(Photodetectors)<\/strong><\/a><strong>:<\/strong> Each separated wavelength is directed to its corresponding <strong>optical transceiver module<\/strong> at the receiving end, which converts the optical signal back into an electrical data signal for the destination equipment.<\/p><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27bd Key Advantages of CWDM Technology<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px 0px 4px;\"><strong>Cost-Effectiveness:<\/strong> This is CWDM&#8217;s biggest strength. The wider channel spacing allows for:<\/p>\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">Less expensive, uncooled lasers in the <strong>optical transceiver modules<\/strong>.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">Lower-cost filters in <strong>Mux\/Demux<\/strong> units.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">Reduced overall system complexity.<\/p><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Increased Fiber Capacity:<\/strong> Instantly multiply the capacity of a single fiber pair (transmit and receive) by 8, 16, or 18 channels, depending on the system design. This defers or eliminates costly new fiber installation.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Simplicity &amp; Reliability:<\/strong> Passive Mux\/Demux devices require no power and have no active components, making them highly reliable and easy to deploy. Using pluggable <a href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\" target=\"_blank\" rel=\"\"><strong>optical transceiver modules<\/strong><\/a> simplifies installation and maintenance.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Transparency:<\/strong> CWDM is protocol and bit-rate independent. It can carry Ethernet (1G, 10G, 25G), SONET\/SDH, Fiber Channel, CPRI, and other services simultaneously over the same fiber.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Low Power Consumption:<\/strong> Primarily passive components and uncooled transceivers result in significantly lower power draw compared to DWDM systems.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Scalability:<\/strong> Start with a few channels and add more wavelengths as your bandwidth needs grow, simply by adding new transceivers and potentially upgrading the Mux\/Demux.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27bd CWDM vs. DWDM: Choosing the Right Tool<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"608\" src=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/29e990355e6a4bb98eef23e4eee09e82-1024x608.webp\" alt=\"CWDM vs. DWDM: Choosing the Right Tool\" class=\"wp-image-4322\" srcset=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/29e990355e6a4bb98eef23e4eee09e82-1024x608.webp 1024w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/29e990355e6a4bb98eef23e4eee09e82-300x178.webp 300w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/29e990355e6a4bb98eef23e4eee09e82-768x456.webp 768w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/29e990355e6a4bb98eef23e4eee09e82-18x12.webp 18w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/29e990355e6a4bb98eef23e4eee09e82.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">While both multiplex wavelengths, key differences dictate their best use cases:<\/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;\"\/><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>CWDM<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>DWDM<\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Channel Spacing<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>20nm<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>0.8nm, 0.4nm (or less)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Number of Channels<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Up to 18 (1270-1610nm)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>40, 80, 96, 120+ (C-band: ~1530-1565nm)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Laser Type<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Uncooled DFB (Lower Cost)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Temperature-Cooled DFB (Higher Cost, Precision)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Cost<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>Lower<\/strong> (Transceivers &amp; Mux\/Demux)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Higher<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Power Consumption<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Lower<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Higher (Due to cooled lasers &amp; amps)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Reach<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Typically up to 80km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Hundreds to Thousands of km (with amps)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Best Suited For<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Metro Access, Enterprise Networks, Short-Mid Haul, Cost-Sensitive Capacity Boost<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><span class=\"qc-p1-tag\">Long-Haul, Ultra-High Capacity, Metro Core<\/span><\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27bd Use Cases: Where CWDM Shines<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CWDM is exceptionally well-suited for numerous applications demanding cost-efficient capacity expansion:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Enterprise Network Backbone Expansion:<\/strong> Connecting buildings or data centers across a campus or city without new fiber.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Mobile Fronthaul\/Backhaul (xHaul):<\/strong> Aggregating traffic from multiple cell towers to the central office or controller.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Cable Television (CATV) Networks:<\/strong> Combining broadcast video and DOCSIS data services.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Metro Ethernet Access Networks:<\/strong> Providing high-bandwidth services to business customers.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Data Center Interconnects (DCI):<\/strong> For shorter links (sub-80km) between nearby data centers.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Protocol Aggregation:<\/strong> Transporting mixed services (Ethernet, Storage, Legacy TDM) over a single fiber pair.<\/p><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27bd LINK-PP: Your Partner for CWDM Optical Solutions<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0885caacb1df408e8a440a34fe769f23.webp\" alt=\"LINK-PP\" class=\"wp-image-4323\" srcset=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0885caacb1df408e8a440a34fe769f23.webp 1200w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0885caacb1df408e8a440a34fe769f23-300x169.webp 300w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0885caacb1df408e8a440a34fe769f23-1024x576.webp 1024w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0885caacb1df408e8a440a34fe769f23-768x432.webp 768w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0885caacb1df408e8a440a34fe769f23-18x10.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Selecting high-quality, reliable <strong>optical transceiver modules<\/strong> and passive components is crucial for optimal CWDM network performance and longevity. <strong>LINK-PP<\/strong> offers a comprehensive range of standards-compliant CWDM solutions designed for robustness and value.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>High-Performance CWDM SFP, SFP+, XFP, QSFP+ Optical Transceivers:<\/strong> Supporting data rates from 1G to 100G, optimized for various reaches. For example, the <strong>LINK-PP LS-CW471G-20C<\/strong> transceiver delivers 1.25G connectivity over up to 20km on the 1470nm wavelength. Need 10G? Consider the <strong>LINK-PP <\/strong><a href=\"https:\/\/www.l-p.com\/products\/484293.htm\" target=\"_blank\" rel=\"\"><strong>LS-CW5710-40C<\/strong><\/a> for robust 40km reach. <a href=\"https:\/\/www.l-p.com\/sample.htm\" target=\"_blank\" rel=\"\"><strong><em>Request Samples \u27a1<\/em><\/strong><\/a><\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>CWDM Mux\/Demux Modules:<\/strong> High-isolation, low-insertion loss modules available in various channel configurations (2, 4, 8, 9, 16, 18 channels) in 1U rackmount, LGX, or standalone box form factors.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>CWDM OADMs (Optical Add-Drop Multiplexers):<\/strong> For adding or dropping specific wavelengths at intermediate points without terminating the entire link.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Finding the Right CWDM Optical Transceiver Module<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When sourcing <strong>CWDM optical transceiver modules<\/strong>, ensure compatibility and consider specifications like wavelength, data rate, reach (e.g., 40km, 80km), connector type (typically LC duplex), and operating temperature range. Partnering with a reputable supplier like <strong>LINK-PP<\/strong> guarantees interoperability and long-term support.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27bd Conclusion: Unlock Your Fiber Potential with CWDM<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CWDM technology remains a vital and highly practical solution for maximizing the utilization of existing fiber optic infrastructure. Its compelling combination of significant capacity gains, inherent cost-effectiveness, operational simplicity, and protocol flexibility makes it an indispensable tool for network engineers tackling bandwidth challenges in enterprise, metro access, and service provider environments.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ready to explore how CWDM can solve your bandwidth constraints?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Browse our extensive portfolio of high-quality CWDM optical transceiver modules. <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/buy-cwdm.htm\"><strong>Visit the LINK-PP website \u27a6<\/strong><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Design the most efficient and cost-effective CWDM solution tailored to your specific network requirements. <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/support.htm\"><strong>Contact our technical experts <\/strong><\/a><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/buy-cwdm.htm\"><strong>\u27a6<\/strong><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Don&#8217;t let fiber capacity limit your growth \u2013 unlock the potential with CWDM and LINK-PP!<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u27bd See Also<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" href=\"https:\/\/resources.l-p.com\/glossary\/wdm-optical-transceiver-module-applications\">Understanding WDM Technology And Its Uses In Optical Networks<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" href=\"https:\/\/resources.l-p.com\/knowledge-center\/dual-rate-transceivers-key-features\">Introducing You To The LINK-PP Networking Community<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>What is CWDM? CWDM is a cost-effective fiber optic technology that increases bandwidth by multiplexing multiple wavelengths over a single optical fiber.<\/p>","protected":false},"author":1,"featured_media":4319,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[26],"class_list":["post-4324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/posts\/4324","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=4324"}],"version-history":[{"count":3,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/posts\/4324\/revisions"}],"predecessor-version":[{"id":9113,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/posts\/4324\/revisions\/9113"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/media\/4319"}],"wp:attachment":[{"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/media?parent=4324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/categories?post=4324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/tags?post=4324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}