{"id":11140,"date":"2024-11-14T03:02:33","date_gmt":"2024-11-14T08:02:33","guid":{"rendered":"https:\/\/mvslinks.com\/?p=11140"},"modified":"2025-03-11T15:59:47","modified_gmt":"2025-03-11T07:59:47","slug":"100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences","status":"publish","type":"post","link":"https:\/\/mvslinks.com\/mx\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/","title":{"rendered":"100G LR4 vs CWDM4 vs PSM4 Transceiver\uff1aView the Differences"},"content":{"rendered":"<p><span style=\"font-weight: 400; color: #000000;\">100G LR4, CWDM4, and PSM4 are three common types of 100Gbps optical transceivers, and they are all important components of data center and telecom networks. What are the differences?<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">This article will explore the main differences between these Optical Modules and help you choose the right one.<\/span><\/p>\n<p>&nbsp;<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_74 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/mvslinks.com\/mx\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/#Overview_of_100G_LR4_CWDM4_and_PSM4\" >Overview of 100G LR4, CWDM4 and PSM4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/mvslinks.com\/mx\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/#What_are_their_differences\" >What are their differences?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/mvslinks.com\/mx\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/#LR4_vs_CWDM4\" >LR4 vs CWDM4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mvslinks.com\/mx\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/#CWDM4_vs_PSM4\" >CWDM4 vs PSM4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/mvslinks.com\/mx\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/#PSM4_vs_LR4\" >PSM4 vs LR4<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/mvslinks.com\/mx\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/#How_to_choose_them\" >How to choose them?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/mvslinks.com\/mx\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Overview_of_100G_LR4_CWDM4_and_PSM4\"><\/span><span style=\"font-weight: 400; color: #000000;\">Overview of 100G LR4, CWDM4 and PSM4<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/mvslinks.com\/mx\/categoria-producto\/100g-modules\/100g-qsfp28-lr4\/\" target=\"_blank\" rel=\"noopener\">LR4<\/a><\/span><span style=\"font-weight: 400; color: #000000;\">: Long Range 4 (LR4), is a 100G transceiver with 4 Independent LAN-<a style=\"color: #000000;\" href=\"https:\/\/mvslinks.com\/mx\/news\/blog\/what-is-wdm\/\" target=\"_blank\" rel=\"noopener\">WDM<\/a> channels to transmit data over a longer distance. LR4 can achieve a <a style=\"color: #000000;\" href=\"https:\/\/www.fs.com\/blog\/100g-qsfp28-cwdm4-optical-transceiver-overview-748.html\" target=\"_blank\" rel=\"noopener\">100Gbps<\/a> data rate, with a maximum link length of 10km via Single Mode Fiber (SMF).<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/mvslinks.com\/mx\/categoria-producto\/100g-modules\/100g-qsfp28-cwdm4\/\" target=\"_blank\" rel=\"noopener\">CWDM4<\/a><\/span><span style=\"font-weight: 400;\">: <\/span><span style=\"font-weight: 400; color: #000000;\">Coarse Wavelength Division Multiplexing 4 (CWDM4). It is compliant with 100G CWDM4 MSA Specification and an Uncooled 4x25Gb\/s <a style=\"color: #000000;\" href=\"https:\/\/mvslinks.com\/mx\/news\/blog\/cwdm-vs-dwdm-how-to-choose-the-right-network\/\" target=\"_blank\" rel=\"noopener\">CWDM<\/a> transmitter. CWDM4 can achieve a 100Gbps data rate, with a maximum link length of 2km via <a style=\"color: #000000;\" href=\"https:\/\/www.fs.com\/blog\/what-you-need-to-know-about-cwdm-and-dwdm-hybrid-systems-14922.html\" target=\"_blank\" rel=\"noopener\">Single Mode<\/a> Fiber (<a style=\"color: #000000;\" href=\"https:\/\/mvslinks.com\/mx\/news\/blog\/smf-and-mmf-how-to-choose\/\" target=\"_blank\" rel=\"noopener\">SMF<\/a>).<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/mvslinks.com\/mx\/categoria-producto\/100g-modules\/100g-qsfp28-psm4\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">PSM4<\/span><\/a><span style=\"font-weight: 400;\">: <\/span><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">Parallel Single Mode 4 (PSM4), using a wavelength of 1310nm via an MTP\/MPO-12 connector. It is intended for up to 2km or 10km reach service with a four-lane 25.78125G data rate.\u00a0<\/span><\/span><\/p>\n<figure id=\"attachment_11145\" aria-describedby=\"caption-attachment-11145\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-11145 size-full\" src=\"https:\/\/mvslinks.com\/wp-content\/uploads\/2024\/11\/100G-LR4-vs-CWDM4-vs-PSM4-Transceiver\uff1aExplore-the-Differences.jpg\" alt=\"100G LR4 vs CWDM4 vs PSM4 Transceiver\uff1aExplore the Differences\" width=\"1000\" height=\"562\" srcset=\"https:\/\/mvslinks.com\/wp-content\/uploads\/2024\/11\/100G-LR4-vs-CWDM4-vs-PSM4-Transceiver\uff1aExplore-the-Differences.jpg 1000w, https:\/\/mvslinks.com\/wp-content\/uploads\/2024\/11\/100G-LR4-vs-CWDM4-vs-PSM4-Transceiver\uff1aExplore-the-Differences-500x281.jpg 500w, https:\/\/mvslinks.com\/wp-content\/uploads\/2024\/11\/100G-LR4-vs-CWDM4-vs-PSM4-Transceiver\uff1aExplore-the-Differences-768x432.jpg 768w, https:\/\/mvslinks.com\/wp-content\/uploads\/2024\/11\/100G-LR4-vs-CWDM4-vs-PSM4-Transceiver\uff1aExplore-the-Differences-18x10.jpg 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-11145\" class=\"wp-caption-text\"><span style=\"color: #000000;\">100G LR4 vs CWDM4 vs PSM4 Transceiver\uff1aExplore the Differences<\/span><\/figcaption><\/figure>\n<h2><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"What_are_their_differences\"><\/span><span style=\"font-weight: 400; color: #000000;\">What are their differences?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"LR4_vs_CWDM4\"><\/span><span style=\"font-weight: 400; color: #000000;\">LR4 vs CWDM4<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><strong><span style=\"color: #000000;\">Transmission Distance<\/span><\/strong><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">The 100G LR4 has a maximum transmission distance of 10 kilometers, which can meet the transmission needs of longer distances. The maximum transmission distance of 100G CWDM4 is 2 km, which is more suitable for medium and short-distance transmission.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><strong><span style=\"color: #000000;\">Wavelength Division Multiplexing<\/span><\/strong><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">LR4 uses dense wavelength division multiplexing (<a style=\"color: #000000;\" href=\"https:\/\/www.fibermall.com\/blog\/swdm-cwdm-dwdm.htm\" target=\"_blank\" rel=\"noopener\">DWDM<\/a>) to achieve a data rate of 100Gbps by using four wavelengths (1264.5nm &#8211; 1337.5nm) of signal transmission in optical fibers.<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">CWDM4, on the other hand, uses coarse wavelength division multiplexing (CWDM) to transmit 100Gbps using signals at four <a style=\"color: #000000;\" href=\"https:\/\/mvslinks.com\/mx\/news\/blog\/100g-swdm4-vs-100g-srbd-which-one-should-i-choose\/\" target=\"_blank\" rel=\"noopener\">wavelength<\/a>s (1270nm, 1290nm, 1310nm, and 1330nm). CWDM has a larger wavelength interval than DWDM, resulting in a lower system design and cost.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><strong><span style=\"color: #000000;\">Application Scenarios<\/span><\/strong><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">100G LR4 is typically used in data center interconnections, metro networks, or other applications that require long transmission distances. CWDM4 is more suitable for scenarios with short distances and higher cost requirements, such as interconnection within or adjacent data centers.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"CWDM4_vs_PSM4\"><\/span><span style=\"font-weight: 400; color: #000000;\">CWDM4 vs PSM4<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><strong><span style=\"color: #000000;\">Transmission Mode<\/span><\/strong><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">100G PSM4 uses parallel transmission through 4 pairs of single-mode fibers (8 fibers, 4 transmitters, and 4 receivers). whereas<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">CWDM4 uses coarse wavelength division multiplexing, which uses 4 optical signals of different wavelengths to merge in a single <a href=\"https:\/\/mvslinks.com\/mx\/news\/blog\/what-is-optical-fiber-cable\/\">optical fiber<\/a> for single-pair single-mode fiber transmission.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><strong><span style=\"color: #000000;\">Wavelength<\/span><\/strong><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">PSM4 uses only one wavelength (typically 1310nm). Whereas, CWDM4 uses 4 different wavelengths (1270nm, 1290nm, 1310nm, and 1330nm).<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><strong><span style=\"color: #000000;\">Fiber Type<\/span><\/strong><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">PSM4 requires the use of 8 fibers in <a style=\"color: #000000;\" href=\"https:\/\/www.fs.com\/blog\/100g-qsfp28-cwdm4-vs-lr4-vs-psm4-vs-er4-vs-sr4-transceiver-667.html\" target=\"_blank\" rel=\"noopener\">single-mode<\/a> fiber. CWDM4 requires only 2 fibers (1 pair of bidirectional transmission)<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"PSM4_vs_LR4\"><\/span><span style=\"font-weight: 400; color: #000000;\">PSM4 vs LR4<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><strong><span style=\"color: #000000;\">Transmission Mode<\/span><\/strong><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">PSM4 uses parallel transmission. The LR4 uses dense wavelength division multiplexing (DWDM).<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><strong><span style=\"color: #000000;\">Fiber Type<\/span><\/strong><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">PSM4 requires 8 fibers of <a href=\"https:\/\/www.fs.com\/blog\/fiber-optic-cable-types-single-mode-vs-multimode-fiber-cable-1310.html\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">single-mode<\/span><\/a> fiber. The LR4 only requires 2 single-mode <a style=\"color: #000000;\" href=\"https:\/\/www.fs.com\/blog\/the-advantages-and-disadvantages-of-optical-fiber-2721.html\" target=\"_blank\" rel=\"noopener\">fibers<\/a> (1 pair of bidirectional transmission).<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><strong><span style=\"color: #000000;\">Wavelength<\/span><\/strong><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">PSM4 uses only one wavelength (typically 1310nm) while LR4 uses 4 wavelengths (1264.5nm &#8211; 1337.5nm) to transmit simultaneously on a single fiber via DWDM technology.<\/span><\/p>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p style=\"text-align: left;\"><span style=\"color: #000000;\"><b>100G Optical module<\/b><\/span><\/p>\n<\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"color: #000000;\"><b>LR4<\/b><\/span><\/p>\n<\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"color: #000000;\"><b>CWDM4<\/b><\/span><\/p>\n<\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"color: #000000;\"><b>PSM4<\/b><\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400; color: #000000;\">Distance<\/span><\/p>\n<\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400; color: #000000;\">10km<\/span><\/p>\n<\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400; color: #000000;\">2km<\/span><\/p>\n<\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400; color: #000000;\">2km or 10km<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400; color: #000000;\">Wavelength<\/span><\/p>\n<\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400; color: #000000;\">4 different wavelengths<\/span><\/p>\n<\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400; color: #000000;\">4 different wavelengths<\/span><\/p>\n<\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400; color: #000000;\">Single wavelength, 4 pairs of parallel fibers<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400; color: #000000;\">Optical Transmitter<\/span><\/p>\n<\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400; color: #000000;\">4 x LAN WDM EML<\/span><\/p>\n<\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400; color: #000000;\">4x DFB<\/span><\/p>\n<\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400; color: #000000;\">4x CWDM DML<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400; color: #000000;\">Connector<\/span><\/p>\n<\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400; color: #000000;\">Duplex LC<\/span><\/p>\n<\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400; color: #000000;\">Duplex <a style=\"color: #000000;\" href=\"https:\/\/www.fs.com\/blog\/how-many-fiber-connector-types-do-you-know-1366.html\" target=\"_blank\" rel=\"noopener\">LC<\/a><\/span><\/p>\n<\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400; color: #000000;\">MPO\/MTP(8-core)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400; color: #000000;\">Application<\/span><\/p>\n<\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400; color: #000000;\">Long-distance data center interconnection<\/span><\/p>\n<\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400; color: #000000;\">Mid-distance data center interconnects<\/span><\/p>\n<\/td>\n<td>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400; color: #000000;\">Interconnection within short-distance data centers<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_to_choose_them\"><\/span><span style=\"font-weight: 400; color: #000000;\">How to choose them?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400; color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/mvslinks.com\/mx\/producto\/nvidia-infiniband-mma1b00-e100-compatible-qsfp28-100g-sr4-850nm-100m-dom-mpo-12-upc-mmf-edr-optical-transceiver-module-for-sb7800-7890-switches-and-connectx-5-hca\/\">100G LR4<\/a> is more suitable for longer transmission distances and higher performance, such as long-distance transmission (up to 10 km) between data centers or in metro networks<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/mvslinks.com\/mx\/producto\/juniper-networks-qsfp-100g-cwdm4-compatible-qsfp28-100gbase-cwdm4-1310nm-2km-dom-duplex-lc-upc-smf-optical-transceiver-module\/\">CWDM4<\/a> is suitable for short-distance transmission distances and where you want to reduce costs, such as short- to medium-distance interconnection within or between adjacent data centers, and is suitable for longer distances (within 2 km).<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400; color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/mvslinks.com\/mx\/producto\/brocade-100g-qsfp28-pir4-500m-compatible-qsfp28-100gbase-psm4-1310nm-500m-dom-mpo-12-apc-smf-optical-transceiver-module-support-4-x-25g-lr\/\">100G PSM4<\/a> is suitable for short-distance and high-bandwidth scenarios in data centers, meeting high bandwidth requirements and reducing module costs.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><span style=\"font-weight: 400; color: #000000;\">Conclusion<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400; color: #000000;\">The choice between 100G LR4, CWDM4, or PSM4 depends on the specific needs of your network. According to the transmission distance, <a style=\"color: #000000;\" href=\"https:\/\/www.fs.com\/blog\/decoding-cwdm-and-dwdm-sfp-a-comprehensive-buying-guide-9544.html\" target=\"_blank\" rel=\"noopener\">transmission<\/a> mode, optical fiber type application scenario, and other factors, the selection of modules is determined.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">MVSLINK (Suzhou Weimei Electronic Technology Co., Ltd. ) is a 12+ years old optical module supplier with a factory, dedicated to providing high-quality optical modules and professional communication solutions for all customers, offering 1 piece OEM service.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400; color: #000000;\">For more information or a quote, contact us or visit the <a style=\"color: #000000;\" href=\"https:\/\/mvslinks.com\/mx\/producto\/\">product page<\/a>.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>100G LR4, CWDM4, and PSM4 are three common types of 100Gbps optical transceivers, and they are all important components of data center and telecom networks. What are the differences? &nbsp; This article will explore the main differences between these Optical Modules and help you choose the right one. &nbsp; Overview of 100G LR4, CWDM4 and [&hellip;]<\/p>","protected":false},"author":2,"featured_media":11145,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"postBodyCss":"","postBodyMargin":[],"postBodyPadding":[],"postBodyBackground":{"backgroundType":"classic","gradient":""},"footnotes":""},"categories":[1],"tags":[],"post_folder":[],"class_list":["post-11140","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.0 (Yoast SEO v24.8.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>100G LR4 vs CWDM4 vs PSM4 Transceiver\uff1aView the Differences - mvslinks.com<\/title>\n<meta name=\"description\" content=\"100G QSFP28 LR4 vs CWDM4 and PSM4 optical modules are three high-speed interconnection options. This article will explore their differences.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mvslinks.com\/mx\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/\" \/>\n<meta property=\"og:locale\" content=\"es_MX\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"100G LR4 vs CWDM4 vs PSM4 Transceiver\uff1aView the Differences\" \/>\n<meta property=\"og:description\" content=\"100G QSFP28 LR4 vs CWDM4 and PSM4 optical modules are three high-speed interconnection options. This article will explore their differences.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mvslinks.com\/mx\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/\" \/>\n<meta property=\"og:site_name\" content=\"mvslinks.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/mvslink\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-11-14T08:02:33+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-03-11T07:59:47+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mvslinks.com\/wp-content\/uploads\/2024\/11\/100G-LR4-vs-CWDM4-vs-PSM4-Transceiver\uff1aExplore-the-Differences.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"562\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Ella\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@mvslink\" \/>\n<meta name=\"twitter:site\" content=\"@mvslink\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ella\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/mvslinks.com\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/mvslinks.com\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/\"},\"author\":{\"name\":\"Ella\",\"@id\":\"https:\/\/mvslinks.com\/#\/schema\/person\/4f086077ef2e7af17e2d51143abffe7a\"},\"headline\":\"100G LR4 vs CWDM4 vs PSM4 Transceiver\uff1aView the Differences\",\"datePublished\":\"2024-11-14T08:02:33+00:00\",\"dateModified\":\"2025-03-11T07:59:47+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/mvslinks.com\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/\"},\"wordCount\":740,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/mvslinks.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/mvslinks.com\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/mvslinks.com\/wp-content\/uploads\/2024\/11\/100G-LR4-vs-CWDM4-vs-PSM4-Transceiver\uff1aExplore-the-Differences.jpg\",\"articleSection\":[\"Blog\"],\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/mvslinks.com\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/mvslinks.com\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/\",\"url\":\"https:\/\/mvslinks.com\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/\",\"name\":\"100G LR4 vs CWDM4 vs PSM4 Transceiver\uff1aView the Differences - mvslinks.com\",\"isPartOf\":{\"@id\":\"https:\/\/mvslinks.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/mvslinks.com\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/mvslinks.com\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/mvslinks.com\/wp-content\/uploads\/2024\/11\/100G-LR4-vs-CWDM4-vs-PSM4-Transceiver\uff1aExplore-the-Differences.jpg\",\"datePublished\":\"2024-11-14T08:02:33+00:00\",\"dateModified\":\"2025-03-11T07:59:47+00:00\",\"description\":\"100G QSFP28 LR4 vs CWDM4 and PSM4 optical modules are three high-speed interconnection options. This article will explore their differences.\",\"breadcrumb\":{\"@id\":\"https:\/\/mvslinks.com\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/#breadcrumb\"},\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/mvslinks.com\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\/\/mvslinks.com\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/#primaryimage\",\"url\":\"https:\/\/mvslinks.com\/wp-content\/uploads\/2024\/11\/100G-LR4-vs-CWDM4-vs-PSM4-Transceiver\uff1aExplore-the-Differences.jpg\",\"contentUrl\":\"https:\/\/mvslinks.com\/wp-content\/uploads\/2024\/11\/100G-LR4-vs-CWDM4-vs-PSM4-Transceiver\uff1aExplore-the-Differences.jpg\",\"width\":1000,\"height\":562,\"caption\":\"100G LR4 vs CWDM4 vs PSM4 Transceiver\uff1aExplore the Differences\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/mvslinks.com\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/mvslinks.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"100G LR4 vs CWDM4 vs PSM4 Transceiver\uff1aView the Differences\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/mvslinks.com\/#website\",\"url\":\"https:\/\/mvslinks.com\/\",\"name\":\"mvslinks.com\",\"description\":\"Factory Direct Supply Full Customized Optical Module for Data Center, Enterprise, HPC, Telecom\",\"publisher\":{\"@id\":\"https:\/\/mvslinks.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/mvslinks.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"es\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/mvslinks.com\/#organization\",\"name\":\"mvslinks.com\",\"url\":\"https:\/\/mvslinks.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\/\/mvslinks.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/mvslinks.com\/wp-content\/uploads\/2024\/04\/cropped-\u516c\u53f8logo-\u84dd-\u900f\u660e\u5e95-\u957f.png\",\"contentUrl\":\"https:\/\/mvslinks.com\/wp-content\/uploads\/2024\/04\/cropped-\u516c\u53f8logo-\u84dd-\u900f\u660e\u5e95-\u957f.png\",\"width\":1224,\"height\":411,\"caption\":\"mvslinks.com\"},\"image\":{\"@id\":\"https:\/\/mvslinks.com\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/mvslink\/\",\"https:\/\/x.com\/mvslink\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/mvslinks.com\/#\/schema\/person\/4f086077ef2e7af17e2d51143abffe7a\",\"name\":\"Ella\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\/\/mvslinks.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/mvslinks.com\/wp-content\/litespeed\/avatar\/c4942904fe1e967ee6c68b4735cfe8f3.jpg?ver=1775532272\",\"contentUrl\":\"https:\/\/mvslinks.com\/wp-content\/litespeed\/avatar\/c4942904fe1e967ee6c68b4735cfe8f3.jpg?ver=1775532272\",\"caption\":\"Ella\"},\"sameAs\":[\"https:\/\/mvslinks.com\/\"],\"url\":\"https:\/\/mvslinks.com\/mx\/news\/blog\/author\/ella\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"100G LR4 vs CWDM4 vs PSM4 Transceiver\uff1aView the Differences - mvslinks.com","description":"100G QSFP28 LR4 vs CWDM4 and PSM4 optical modules are three high-speed interconnection options. This article will explore their differences.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/mvslinks.com\/mx\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/","og_locale":"es_MX","og_type":"article","og_title":"100G LR4 vs CWDM4 vs PSM4 Transceiver\uff1aView the Differences","og_description":"100G QSFP28 LR4 vs CWDM4 and PSM4 optical modules are three high-speed interconnection options. This article will explore their differences.","og_url":"https:\/\/mvslinks.com\/mx\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/","og_site_name":"mvslinks.com","article_publisher":"https:\/\/www.facebook.com\/mvslink\/","article_published_time":"2024-11-14T08:02:33+00:00","article_modified_time":"2025-03-11T07:59:47+00:00","og_image":[{"width":1000,"height":562,"url":"https:\/\/mvslinks.com\/wp-content\/uploads\/2024\/11\/100G-LR4-vs-CWDM4-vs-PSM4-Transceiver\uff1aExplore-the-Differences.jpg","type":"image\/jpeg"}],"author":"Ella","twitter_card":"summary_large_image","twitter_creator":"@mvslink","twitter_site":"@mvslink","twitter_misc":{"Escrito por":"Ella","Tiempo de lectura":"4 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/mvslinks.com\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/#article","isPartOf":{"@id":"https:\/\/mvslinks.com\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/"},"author":{"name":"Ella","@id":"https:\/\/mvslinks.com\/#\/schema\/person\/4f086077ef2e7af17e2d51143abffe7a"},"headline":"100G LR4 vs CWDM4 vs PSM4 Transceiver\uff1aView the Differences","datePublished":"2024-11-14T08:02:33+00:00","dateModified":"2025-03-11T07:59:47+00:00","mainEntityOfPage":{"@id":"https:\/\/mvslinks.com\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/"},"wordCount":740,"commentCount":0,"publisher":{"@id":"https:\/\/mvslinks.com\/#organization"},"image":{"@id":"https:\/\/mvslinks.com\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/#primaryimage"},"thumbnailUrl":"https:\/\/mvslinks.com\/wp-content\/uploads\/2024\/11\/100G-LR4-vs-CWDM4-vs-PSM4-Transceiver\uff1aExplore-the-Differences.jpg","articleSection":["Blog"],"inLanguage":"es","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/mvslinks.com\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/mvslinks.com\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/","url":"https:\/\/mvslinks.com\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/","name":"100G LR4 vs CWDM4 vs PSM4 Transceiver\uff1aView the Differences - mvslinks.com","isPartOf":{"@id":"https:\/\/mvslinks.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/mvslinks.com\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/#primaryimage"},"image":{"@id":"https:\/\/mvslinks.com\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/#primaryimage"},"thumbnailUrl":"https:\/\/mvslinks.com\/wp-content\/uploads\/2024\/11\/100G-LR4-vs-CWDM4-vs-PSM4-Transceiver\uff1aExplore-the-Differences.jpg","datePublished":"2024-11-14T08:02:33+00:00","dateModified":"2025-03-11T07:59:47+00:00","description":"100G QSFP28 LR4 vs CWDM4 and PSM4 optical modules are three high-speed interconnection options. This article will explore their differences.","breadcrumb":{"@id":"https:\/\/mvslinks.com\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/#breadcrumb"},"inLanguage":"es","potentialAction":[{"@type":"ReadAction","target":["https:\/\/mvslinks.com\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/"]}]},{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/mvslinks.com\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/#primaryimage","url":"https:\/\/mvslinks.com\/wp-content\/uploads\/2024\/11\/100G-LR4-vs-CWDM4-vs-PSM4-Transceiver\uff1aExplore-the-Differences.jpg","contentUrl":"https:\/\/mvslinks.com\/wp-content\/uploads\/2024\/11\/100G-LR4-vs-CWDM4-vs-PSM4-Transceiver\uff1aExplore-the-Differences.jpg","width":1000,"height":562,"caption":"100G LR4 vs CWDM4 vs PSM4 Transceiver\uff1aExplore the Differences"},{"@type":"BreadcrumbList","@id":"https:\/\/mvslinks.com\/news\/blog\/100g-lr4-vs-cwdm4-vs-psm4-transceiver-view-the-differences\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/mvslinks.com\/"},{"@type":"ListItem","position":2,"name":"100G LR4 vs CWDM4 vs PSM4 Transceiver\uff1aView the Differences"}]},{"@type":"WebSite","@id":"https:\/\/mvslinks.com\/#website","url":"https:\/\/mvslinks.com\/","name":"mvslinks.com","description":"Factory Direct Supply Full Customized Optical Module for Data Center, Enterprise, HPC, Telecom","publisher":{"@id":"https:\/\/mvslinks.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/mvslinks.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"es"},{"@type":"Organization","@id":"https:\/\/mvslinks.com\/#organization","name":"mvslinks.com","url":"https:\/\/mvslinks.com\/","logo":{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/mvslinks.com\/#\/schema\/logo\/image\/","url":"https:\/\/mvslinks.com\/wp-content\/uploads\/2024\/04\/cropped-\u516c\u53f8logo-\u84dd-\u900f\u660e\u5e95-\u957f.png","contentUrl":"https:\/\/mvslinks.com\/wp-content\/uploads\/2024\/04\/cropped-\u516c\u53f8logo-\u84dd-\u900f\u660e\u5e95-\u957f.png","width":1224,"height":411,"caption":"mvslinks.com"},"image":{"@id":"https:\/\/mvslinks.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/mvslink\/","https:\/\/x.com\/mvslink"]},{"@type":"Person","@id":"https:\/\/mvslinks.com\/#\/schema\/person\/4f086077ef2e7af17e2d51143abffe7a","name":"Ella","image":{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/mvslinks.com\/#\/schema\/person\/image\/","url":"https:\/\/mvslinks.com\/wp-content\/litespeed\/avatar\/c4942904fe1e967ee6c68b4735cfe8f3.jpg?ver=1775532272","contentUrl":"https:\/\/mvslinks.com\/wp-content\/litespeed\/avatar\/c4942904fe1e967ee6c68b4735cfe8f3.jpg?ver=1775532272","caption":"Ella"},"sameAs":["https:\/\/mvslinks.com\/"],"url":"https:\/\/mvslinks.com\/mx\/news\/blog\/author\/ella\/"}]}},"_links":{"self":[{"href":"https:\/\/mvslinks.com\/mx\/wp-json\/wp\/v2\/posts\/11140"}],"collection":[{"href":"https:\/\/mvslinks.com\/mx\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mvslinks.com\/mx\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mvslinks.com\/mx\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/mvslinks.com\/mx\/wp-json\/wp\/v2\/comments?post=11140"}],"version-history":[{"count":17,"href":"https:\/\/mvslinks.com\/mx\/wp-json\/wp\/v2\/posts\/11140\/revisions"}],"predecessor-version":[{"id":14571,"href":"https:\/\/mvslinks.com\/mx\/wp-json\/wp\/v2\/posts\/11140\/revisions\/14571"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mvslinks.com\/mx\/wp-json\/wp\/v2\/media\/11145"}],"wp:attachment":[{"href":"https:\/\/mvslinks.com\/mx\/wp-json\/wp\/v2\/media?parent=11140"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mvslinks.com\/mx\/wp-json\/wp\/v2\/categories?post=11140"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mvslinks.com\/mx\/wp-json\/wp\/v2\/tags?post=11140"},{"taxonomy":"post_folder","embeddable":true,"href":"https:\/\/mvslinks.com\/mx\/wp-json\/wp\/v2\/post_folder?post=11140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}