{"id":61,"date":"2012-11-25T15:14:44","date_gmt":"2012-11-25T15:14:44","guid":{"rendered":"http:\/\/www.dkphotonics.com\/blog\/?p=61"},"modified":"2012-11-25T15:19:42","modified_gmt":"2012-11-25T15:19:42","slug":"what-is-cwdm","status":"publish","type":"post","link":"https:\/\/www.dkphotonics.com\/blog\/what-is-cwdm\/","title":{"rendered":"What is CWDM"},"content":{"rendered":"<h1><span style=\"color: #000080;\"><strong><a href=\"http:\/\/www.dkphotonics.com\/product\/CWDM.html\"><span style=\"color: #000080;\">CWDM<\/span><\/a> (Coarse Wavelength Division Multiplexing)<\/strong><\/span><\/h1>\n<h2><span style=\"color: #000080;\">CWDM definition: Up to 16 different wavelength over one pair of fiber.<\/span><\/h2>\n<h3><span style=\"color: #000080;\">CWDM highlights<\/span><\/h3>\n<h3>Up to 16 wavelength over one pair of fiber<img loading=\"lazy\" decoding=\"async\" class=\"alignright\" title=\"16CH CWDM\" src=\"http:\/\/www.dkphotonics.com\/upload\/2012-10-17\/20121017181917930.jpg\" alt=\"\" width=\"291\" height=\"164\" \/><\/h3>\n<ul>\n<li>DWDM channel spacing 20 nm, 1720 nm to 1610 nm<\/li>\n<li>Distances up to 120 km<\/li>\n<li>Cost-effective WDM solution<\/li>\n<li>Scalable by hybrid CWDM\/DWDM &#8211; perfect solution for your investment<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3><span style=\"color: #000080;\">CWDM principle<\/span><\/h3>\n<figure id=\"attachment_68\" aria-describedby=\"caption-attachment-68\" style=\"width: 550px\" class=\"wp-caption alignright\"><a href=\"http:\/\/www.dkphotonics.com\/blog\/wp-content\/uploads\/2012\/11\/8ca72cd6f11.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-68\" title=\"CWDM\" src=\"http:\/\/www.dkphotonics.com\/blog\/wp-content\/uploads\/2012\/11\/8ca72cd6f11.png\" alt=\"CWDM\" width=\"550\" height=\"166\" srcset=\"https:\/\/www.dkphotonics.com\/blog\/wp-content\/uploads\/2012\/11\/8ca72cd6f11.png 550w, https:\/\/www.dkphotonics.com\/blog\/wp-content\/uploads\/2012\/11\/8ca72cd6f11-300x90.png 300w\" sizes=\"auto, (max-width: 550px) 100vw, 550px\" \/><\/a><figcaption id=\"caption-attachment-68\" class=\"wp-caption-text\">CWDM<\/figcaption><\/figure>\n<h3><\/h3>\n<p>CWDM is a wavelength multiplexing technology for city and access networks. Transmission is realized using 16 channels with wavelengths between 1270 nm and 1610 nm. Due to the channel spacing of 20 nm cost-effective lasers can be used. The channel width itself is 13 nm. The remaining 7 nm is designed to secure the space to the next channel.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CWDM (Coarse Wavelength Division Multiplexing) CWDM definition: Up to 16 different wavelength over one pair of fiber. CWDM highlights Up to 16 wavelength over one pair of fiber DWDM channel spacing 20 nm, 1720 nm to 1610 nm Distances up to 120 km Cost-effective WDM solution Scalable by hybrid CWDM\/DWDM &#8211; perfect solution for your &hellip; <a href=\"https:\/\/www.dkphotonics.com\/blog\/what-is-cwdm\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">What is CWDM<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,7],"tags":[],"class_list":["post-61","post","type-post","status-publish","format-standard","hentry","category-cwdm","category-wdm"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is CWDM - DK Photonics Blog<\/title>\n<meta name=\"description\" content=\"CWDM\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.dkphotonics.com\/blog\/what-is-cwdm\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is CWDM - 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