{"id":103,"date":"2021-02-01T09:23:33","date_gmt":"2021-02-01T09:23:33","guid":{"rendered":"https:\/\/www.fibermall.com\/?p=103"},"modified":"2024-04-03T01:37:31","modified_gmt":"2024-04-03T01:37:31","slug":"what-are-the-types-of-40g-qsfp-optical-modules-dac-aoc","status":"publish","type":"post","link":"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm","title":{"rendered":"What are the Types\u00a0of 40G QSFP+ Optical Modules, DAC, AOC\u00a0"},"content":{"rendered":"\n<p><span style=\"color: #333333; white-space: pre-wrap; font-size: 12pt;\"><span style=\"font-family: Helvetica;\">The 40G network connection technology solution includes 40G QSFP+ series optical\u00a0transceiver\u00a0modules. The most common among them are 40GBASE-LR4 QSFP+, 40GBASE-SR4 QSFP+, and 40G LR4 PSM. In addition, the high-speed cable DAC-40G QSFP+ and active optical cable AOC-40G QSFP+ have attracted the attention of more and more users in the industry This article will introduce and explain the above technology solutions, and then provide an analytical reference for users to select 40G connection solutions.<\/span><\/span><\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 ez-toc-wrap-left 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:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm\/#What_is_the_difference_between_QSFP_and_QSFP\" >What is the difference between QSFP and QSFP +?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm\/#40G_QSFP_Interface\" >40G QSFP+ Interface<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm\/#Different_40G_QSFP_Optic_Transceivers\" >Different 40G QSFP+ Optic Transceivers<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm\/#40G_QSFP_LR4\" >40G QSFP+ LR4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm\/#40G_SR4_QSFP\" >40G SR4 QSFP+<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm\/#40G_LR4_PSM\" >40G LR4 PSM<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm\/#QSFP_40G_DAC_40G_AOC\" >QSFP+ 40G\u00a0DAC &amp; 40G AOC<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm\/#40G_QSFP_to_QSFP_DAC\" >40G QSFP+ to QSFP+ DAC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm\/#40G_QSFP_to_4x_SFP_DAC\" >40G QSFP+ to 4x SFP+\u00a0DAC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm\/#40G_QSFP_to_QSFP_AOC\" >40G QSFP+ to QSFP+ AOC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm\/#QSFP_to_4SFP_AOC\" >QSFP+ to 4*SFP AOC<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm\/#Conclusion\" >Conclusion<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm\/#Related_Posts\" >Related Posts<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-what-is-the-difference-between-qsfp-and-qsfp\"><span class=\"ez-toc-section\" id=\"What_is_the_difference_between_QSFP_and_QSFP\"><\/span><span style=\"font-family: Helvetica; font-size: 12pt;\"><b><span class=\"15\" style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">What is the difference between QSFP and QSFP +?<\/span><\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-family: Helvetica; font-size: 12pt;\"><span style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">QSFP, short for Quad (4-channel) Small Form-factor Pluggable\u00a0is a compact, hot-swappable transceiver that can also be used for data communication applications. QSFP+ is composed of 4 channels of 10Gb\/s rate supporting Infiniband, SFF-8436 standard, Fiber Channel, Ethernet, and another proprietary interconnects. Abbreviated from Quad Small Form Factor Pluggable Plus, QSFP+ is an enhanced version of QSFP.\u00a0Compared with QSFP, QSFP+ has higher bandwidth of 10Gbp\/s Ethernet per channel, thus the data rate of the 4 channels can be combined into 40Gbps\/s in compliance with Infiniband, Fiber Channel, Ethernet SAS, and SONET \/ SDH.<\/span><\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-40g-qsfp-interface\"><span class=\"ez-toc-section\" id=\"40G_QSFP_Interface\"><\/span><span style=\"font-family: Helvetica; font-size: 12pt;\"><b><span class=\"15\" style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">40G QSFP+ Interface<\/span><\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-family: Helvetica; font-size: 12pt;\"><span style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">QSFP+ optical ports\u00a0are in compliance with protocols of 40G Ethernet, IEEE802.3ba-2010, and MSA standard, which specified that either 12-fiber MPO or duplex LC can be the interface to the QSFP optical module family. The former connector is usually applied in modules with multi-mode fiber(MMF), while the latter is applied in those with single-mode fiber(SMF). 40GBASE-SR4 and 40GBASE-LR4 exemplify MPO\/MTP and LC interface applications in optical transceivers.<\/span><\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-different-40g-qsfp-optic-transceivers\"><span class=\"ez-toc-section\" id=\"Different_40G_QSFP_Optic_Transceivers\"><\/span><span style=\"font-family: Helvetica; font-size: 12pt;\"><b><span class=\"15\" style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">Different 40G QSFP+ Optic Transceivers<\/span><\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-40g-qsfp-lr4\"><span class=\"ez-toc-section\" id=\"40G_QSFP_LR4\"><\/span><span style=\"font-family: Helvetica; font-size: 12pt;\"><b><span class=\"15\" style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">40G QSFP+ LR4<\/span><\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><span style=\"font-family: Helvetica; font-size: 12pt;\"><span style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">The 40G LR4 QSFP+ optical module is generally connected to the LC connector, and its maximum transmission distance can reach 10km over single-mode fiber. A QSFP 40G LR4 optical module has four independent channels to transmit and receive optical signals, which need to be processed by MUX or DEMUX(an optical component for wavelength division) to multiplex and demultiplex.<\/span><\/span><\/p>\n\n\n\n<p><span style=\"font-family: Helvetica; font-size: 12pt;\"><span style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">&nbsp;<\/span><\/span><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" src=\"\/\/www.fibermall.com\/editor\/img\/1616668629_62151.png\" alt=\"40G QSFP+ LR4 fiber optic transceiver Cisco QSFP-40G-LR4 Compatible 1310nm 10km LC SMF DDM \" title=\"40G QSFP+ LR4 fiber optic transceiver Cisco QSFP-40G-LR4 Compatible 1310nm 10km LC SMF DDM \"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center\"><span style=\"font-family: Helvetica; font-size: 12pt;\"><b><i>\u2206\u00a0Diagram of 40G LR4 QSFP+ optical module\u2019s fundamental<\/i><\/b><\/span><\/p>\n\n\n\n<p><span style=\"font-family: Helvetica; font-size: 12pt;\"><span style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">In compliance with the 802.3ba standard, the 40G BASE-LR4 QSFP+ optical module can be used with the LC fiber connector and its transmission rate can reach 40Gbps. This type of optical module has 4 data transmission channels, each of which can transmit data at a speed up to 10.3125Gbps. When the four channels work simultaneously, the network connectivity can realize a combined 40Gbps by using 4 wavelengths on one pair of single-mode optical fiber. 40G\u00a0QSFP+ LR4\u00a0optical transceiver modules are usually applied for data connection between data centers and Internet exchange points with a transmission distance of up to 10km.<\/span><\/span><span style=\"font-size: 12pt;\"><\/span><\/p>\n\n\n\n<p class=\"has-text-align-center\"><iframe src=\"\/\/www.youtube.com\/embed\/wij_4I0ky74\" width=\"560\" height=\"314\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-40g-sr4-qsfp\"><span class=\"ez-toc-section\" id=\"40G_SR4_QSFP\"><\/span><span style=\"font-family: Helvetica; font-size: 12pt;\"><b><span class=\"15\" style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">40G SR4 QSFP+<\/span><\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><span style=\"font-family: Helvetica; font-size: 12pt;\"><span style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">40GBASE-SR4 QSFP+ complies with the 802.3ba D3.2 (40GBASE-SR4) standard and can be used with MPO\/MTP optical connectors to achieve 40Gbps optical signal connections. Similarly, 40G SR4 QSFP+ modules transmit optical signals over 4 channels with the same transmission data rate as that of the QSFP+ LR4. In data centers, the <a href=\"https:\/\/www.fibermall.com\/blog\/40g-qsfp-bidi-sr-sr4-univ.htm\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0000ff;\">40GBASE-SR4<\/span><\/a> QSFP+ optical module can work with multi-mode OM3\/OM4 optical fiber to achieve a transmission distance of 100m (OM3) and 150m (OM4), enabling the interconnection between two Ethernet switches.<\/span><\/span><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" src=\"\/\/www.fibermall.com\/editor\/img\/1616668899_70706.png\" alt=\"Diagram of 40G SR4 transceiver modules with MTP\/MPO connector\" title=\"Diagram of 40G SR4 transceiver modules with MTP\/MPO connector\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center\"><span style=\"font-size: 12pt;\"><span style=\"font-family: Helvetica;\"><b><i>\u2206\u00a0Diagram of 40G SR4 QSFP+ optical module\u2019s working<\/i><\/b><\/span><\/span><\/p>\n\n\n\n<p><span style=\"font-family: Helvetica; font-size: 12pt;\"><span style=\"letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\"><span style=\"color: #333333;\">QSFP+ 40G SR4 optical modules are often connected with MPO\/MTP interfaces in 40G data transmission. Different from the QSFP+ 40G LR4 optical module, this 40G SR4 optical transceiver transmits the signal over multi-mode fiber breakout cables, two types of which are OM3 and OM4 with a max transmission distance of 100m and 150m respectively. When the signal is at the transmitting end, the laser array first converts the electrical signal into an optical signal and sends it in parallel through the ribbon multimode fiber. At the receiver end, the photodetector array converts the parallel optical signal into a parallel electrical signal. The following diagram illustrates the signal transmission in a <\/span><a href=\"https:\/\/www.fibermall.com\/sale-419669-qsfpp-40g-sr4-40g-qsfp-sr4-850nm-150m-mtp-mpo-mmf-ddm-transceiver-module.htm\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0000ff;\">QSFP+ 40G SR4<\/span><\/a><span style=\"color: #333333;\"> optical transceiver.<\/span><\/span><\/span><\/p>\n\n\n\n<p class=\"has-text-align-center\"><iframe src=\"\/\/www.youtube.com\/embed\/-vbYsw7vphA\" width=\"560\" height=\"314\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-40g-lr4-psm\"><span class=\"ez-toc-section\" id=\"40G_LR4_PSM\"><\/span><span style=\"font-family: Helvetica; font-size: 12pt;\"><b><span class=\"16\" style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">40G LR4 PSM<\/span><\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><span style=\"font-family: Helvetica; font-size: 12pt;\"><span style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">The 40G LR4 PSM optical module is designed with optical\/electrical connection and digital diagnostic interface according to the QSFP+ multi-source protocol. As a highly integrated 4-channel optical module, 40G QSFP LR4 PSM has a higher port density and is more cost-effective for the entire system\u2019s operation. This optical module adopts the parallel single-mode technology PSM (Parallel Single-Mode), and the 4-way parallel-designed MPO\/MTP interface can realize a stable and efficient transmission of 10km.<\/span><\/span><\/p>\n\n\n\n<p class=\"has-text-align-center\"><iframe src=\"\/\/www.youtube.com\/embed\/9NCQ6xq0Txk\" width=\"560\" height=\"314\" allowfullscreen=\"allowfullscreen\"><\/iframe><span style=\"font-family: Helvetica; font-size: 12pt;\"><b><i>\u00a0<\/i><\/b><\/span><\/p>\n\n\n\n<p><span style=\"font-family: Helvetica; font-size: 12pt;\"><span style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">40G LR4 PSM and 40G SR4 QSFP+ transceiver work in the same way, i.e. the electrical signal is transferred to optical signal through the laser array, and then the optical signal is converted into an electrical signal by the photodetector array. However,\u00a0<\/span><span class=\"15\" style=\"letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\"><span style=\"color: #000000;\">40G QSFP+ LR4 PSM<\/span><\/span><span style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">\u00a0optical modules connect with single-mode fiber connectors, dedicating that parallel optical signals are sent in parallel through 8 single-mode fibers.<\/span><\/span><\/p>\n\n\n\n<p><span style=\"font-family: Helvetica; font-size: 12pt;\"><span style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">In summary, QSFP+ 40G SR4 optical modules are suitable for short-distance transmission in data centers to connect Ethernet switches with OM3\/OM4 ribbon fiber cables. The 40G LR4 QSFP+ and 40G LR4 PSM optical module are network connectivity solutions for long-distance transmission instead. But the 40G LR4 QSFP+ is more cost-effective in that there are only two single-mode fibers while the 40G LR4 PSM optical module requires eight single-mode fibers.<\/span><\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-qsfp-40g-dac-amp-40g-aoc\"><span class=\"ez-toc-section\" id=\"QSFP_40G_DAC_40G_AOC\"><\/span><span style=\"font-family: Helvetica; font-size: 12pt;\"><b><span class=\"15\" style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">QSFP+ 40G\u00a0DAC &amp; 40G AOC<\/span><\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-family: Helvetica; font-size: 12pt;\"><span style=\"letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\"><span style=\"color: #333333;\">QSFP+ optical modules can also be connected with QSFP+ branch cables to form a high-density data connectivity solution. According to the different transmission media of optical cable, it is generally divided into the active optical cable (AOC) and <\/span><a href=\"https:\/\/www.fibermall.com\/blog\/dac-cables.htm\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0000ff;\">DAC<\/span><\/a><span style=\"color: #333333;\"> (high-speed direct attach copper cable).<\/span><\/span><\/span><\/p>\n\n\n\n<p><span style=\"font-family: Helvetica; font-size: 12pt;\"><span style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">40G DAC is known for its advantageous features on the market. It is designed with a seamless connection form of the\u00a040G optical module\u00a0and optical cable, which not only reduces the cost but also ensures that the optical port is not exposed to dust and other pollutants. Meanwhile, the design improves transmission efficiency making it is widely used in network wiring. In terms of material, the high-speed direct attach cable is made of copper core, a metal that features good heat dissipation, energy-saving, and environmental protection.<\/span><\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-40g-qsfp-to-qsfp-dac\"><span class=\"ez-toc-section\" id=\"40G_QSFP_to_QSFP_DAC\"><\/span><span style=\"font-family: Helvetica; font-size: 12pt;\"><b><span class=\"15\" style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">40G QSFP+ to QSFP+ DAC<\/span><\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><span style=\"font-family: Helvetica; font-size: 12pt;\"><span style=\"letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\"><span style=\"color: #333333;\">QSFP+ 40G DAC cable consists of a copper core cable connected to two <\/span><a href=\"https:\/\/www.fibermall.com\/store-16652-40g-qsfp.htm\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0000ff;\">40G QSFP+ optical modules<\/span><\/a><span style=\"color: #333333;\">. The transmission distance of high-speed cables is shorter, and generally, the maximum transmission distance of source cables is about 5m, while the transmission distance of active optical cables can reach 15m. At present, our FiberMall 40G QSFP+ DAC supports a maximum transmission distance of 7 meters, and&nbsp;<\/span><span style=\"color: #424242;\">10G SFP+ DAC&nbsp;<\/span><span style=\"color: #333333;\">supports a maximum transmission distance of 10 meters.<\/span><\/span><\/span><\/p>\n\n\n\n<p><span style=\"font-family: Helvetica; font-size: 12pt;\"><span style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">&nbsp;<\/span><\/span><\/p>\n\n\n\n<p class=\"has-text-align-center\"><iframe class=\"note-video-clip\" src=\"\/\/www.youtube.com\/embed\/MxI3SogqeRQ\" width=\"640\" height=\"360\" frameborder=\"0\"><\/iframe><span style=\"font-size: 12pt;\"><b><span style=\"color: #333333; font-family: Helvetica;\">\u00a0<\/span><\/b><\/span><\/p>\n\n\n\n<p><span style=\"font-size: 12pt;\"><span style=\"font-weight: bold; color: #4f565d; font-family: Helvetica; text-align: center;\"><i>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u2206\u00a0<\/i><\/span><b style=\"color: #4f565d; text-align: center; text-indent: 0pt; font-family: inherit;\"><span style=\"color: #333333; font-family: Helvetica;\">How to Use\u00a0 <\/span><span style=\"color: inherit; font-family: inherit; text-align: justify; text-indent: 0pt;\">40G QSFP+ to QSFP+ Active Copper Direct Attach Cable\u00a0<\/span><\/b><\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-40g-qsfp-to-4x-sfp-dac\"><span class=\"ez-toc-section\" id=\"40G_QSFP_to_4x_SFP_DAC\"><\/span><span style=\"font-family: Helvetica; font-size: 12pt;\"><b><span class=\"15\" style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">40G QSFP+ to 4x SFP+\u00a0DAC<\/span><\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><span style=\"font-family: Helvetica; font-size: 12pt;\"><span style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">40G&nbsp;QSFP+&nbsp;to 4x SFP+ Splitter Direct Attach Cable offers&nbsp;IT&nbsp;professionals a cost-effective interconnect solution for merging 40G QSFP and 10G SFP+ enabled host adapters, switches, and servers.&nbsp;<\/span><span style=\"color: #333333; letter-spacing: 0pt; text-indent: 0pt;\">This QSFP+ (Quad Small Form-factor Pluggable Plus) copper direct-attach cable&nbsp;support the bandwidth transmission requirements as defined by IEEE 802.3ba (40 Gb\/s) and Infiniband QDR ( 4&#215;10 Gb\/s per channel) specifications.<\/span><\/span><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter is-resized\"><img decoding=\"async\" src=\"\/\/www.fibermall.com\/editor\/img\/1616724937_87983.jpg\" alt=\"Cisco QSFP-4SFP10G-CU50CM Compatible 50cm (1.6ft) 40G QSFP+ to 4 x 10G SFP+ Copper Direct Attach Breakout Cable\" style=\"width:800px\" width=\"800\" title=\"Cisco QSFP-4SFP10G-CU50CM Compatible 50cm (1.6ft) 40G QSFP+ to 4 x 10G SFP+ Copper Direct Attach Breakout Cable\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center\"><span style=\"font-size: 12pt;\"><span style=\"font-weight: bold; color: #4f565d; font-family: Helvetica; text-align: center;\"><i>\u2206\u00a0\u00a0<\/i><\/span><b style=\"font-family: Helvetica; color: #4f565d; text-align: center; text-indent: 0pt;\"><span style=\"color: #333333; letter-spacing: 0pt; text-indent: 0pt;\">FiberMall\u00a040G QSFP+ to 4x SFP+\u00a0<\/span><span style=\"color: #333333;\">Copper <a class=\"wpil_keyword_link\" href=\"https:\/\/www.fibermall.com\/blog\/breakout-cable.htm\"   title=\"Breakout Cable\" data-wpil-keyword-link=\"linked\" target=\"_blank\">Breakout Cable<\/a><\/span><\/b><\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-40g-qsfp-to-qsfp-aoc\"><span class=\"ez-toc-section\" id=\"40G_QSFP_to_QSFP_AOC\"><\/span><span style=\"font-size: 12pt;\"><b><span class=\"15\" style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\"><span style=\"font-family: Helvetica;\">40G QSFP+ to QSFP+ AOC<\/span><\/span><\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><span style=\"font-family: Helvetica; font-size: 12pt;\"><span style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">The QSFP+ active optic cables are high performance, low power consumption, long\u00a0<\/span><span style=\"color: #333333; letter-spacing: 0pt; text-indent: 0pt;\">reach interconnect solution supporting InfiniBand QDR\/DDR\/SDR,12.5G\/10G\/8G\/4G\/2G\u00a0fiber channel, PCIe, and SAS. It is compliant with the QSFP MSA and IEEE P802.3ba. QSFP AOC is an assembly of 4 full-duplex lanes, where each lane is capable of\u00a0transmitting data at rates up to 11.3Gb\/s, providing an aggregated rate of 45.2Gb\/s. QSFP+AOC is one kind of parallel transceiver that provides increased port density and\u00a0total system cost savings.<\/span><\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\"><iframe class=\"note-video-clip\" src=\"\/\/www.youtube.com\/embed\/25pn90IXl1c\" width=\"640\" height=\"360\" frameborder=\"0\"><\/iframe><\/h2>\n\n\n\n<p><span style=\"font-family: Helvetica; font-size: 12pt;\"><span style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">Unlike optical transceivers, AOC optical cable has no problems in optical interface cleaning due to its design of a not exposed interface, which significantly improves its system stability and\u00a0reduces\u00a0the cost in severe room maintenance. 40G QSFP+ AOC consists of an optical fiber connected to two 40G QSFP+ optical modules. Compared with 40G DAC copper cable, 40G AOC active optical cable has incomparable advantages in a data transmission environment of more than 7 meters, including smaller size, lighter weight, easier bending, easier management, longer signal transmission distance, etc.<\/span><\/span><\/p>\n\n\n\n<p><span style=\"font-family: Helvetica; font-size: 12pt;\"><span style=\"letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\"><span style=\"color: #333333;\">Active optical cable, an interconnection structure between chips based on light engine technology is the best solution for high-speed optical interconnection in data centers. At present, mainstream high-speed optical interconnect AOC products in the market include 10Gbps SFP+ AOC, <\/span><span style=\"color: #000000;\">40Gbps QSFP+ AOC<\/span><span style=\"color: #333333;\">,\u00a0<\/span><\/span><span style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">and 56G QSFP+ AOC.<\/span><\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-qsfp-to-4-sfp-aoc\"><span class=\"ez-toc-section\" id=\"QSFP_to_4SFP_AOC\"><\/span><span style=\"font-family: Helvetica; font-size: 12pt;\"><b><span class=\"15\" style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">QSFP+ to 4*SFP AOC<\/span><\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><span style=\"color: #333333; letter-spacing: 0pt; font-size: 12pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\"><span style=\"font-family: Helvetica;\">QSFP+ to 4*SFP+ high-speed active optical cable are designed with a 40Gbps QSFP+ interface and 4 10Gbps SFP+ connectors on either end, which is connected by a 12-core MPO high-density optical cable. The length of the connecting fiber cable can be customized according to the users\u2019 requirements. There is an optical splitter in the middle of the MPO cable for the purpose of dividing a 40G optical into a 10G signal on each of the 4 channels.<\/span><\/span><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter is-resized\"><img decoding=\"async\" src=\"\/\/www.fibermall.com\/editor\/img\/1616727187_44370.jpg\" alt=\"Cisco QSFP-4X10G-AOC1M Compatible 1m (3ft) 40G QSFP+ to Four 10G SFP+ Active Optical Breakout Cable\" style=\"width:800px\" width=\"800\" title=\"Cisco QSFP-4X10G-AOC1M Compatible 1m (3ft) 40G QSFP+ to Four 10G SFP+ Active Optical Breakout Cable\"\/><\/figure>\n\n\n\n<div style=\"text-align: center;\"><span style=\"font-size: 12pt;\"><i style=\"color: #4f565d; font-family: Helvetica; font-weight: bold;\">\u2206&nbsp;<\/i><b><span style=\"font-family: Helvetica;\">QSFP-4SFP-AOC1M 1m (3ft) 40G QSFP+ to 4 x 10G SFP+ Active Optical Breakout Cable<\/span><\/b><\/span><\/div>\n\n\n\n<p><span style=\"font-family: Helvetica; font-size: 12pt;\"><span style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">One end of the optical cable is equipped with a 40G QSFP connector compliant with the requirements of SFF-8436; the other end is a 4-line 10G SFP+ connector compliant with SFF-8432, which is the most economical and simple way to achieve switch port conversion. For the transmission length of 1 to 100 meters, the length of the optical cable at both ends of the splitter can be freely designed. In the same way, 120G CXP to 3 40G QSFP+ interconnect products can solve the problem of interconnection between CXP and QSFP devices. What needs to be proposed is to fan out 3 4-core products through the 24-core MPO high-density optical cable to complete the perfect conversion.<\/span><\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><span style=\"font-family: Helvetica; font-size: 12pt;\"><b><span class=\"15\" style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">Conclusion<\/span><\/b><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-family: Helvetica; font-size: 12pt;\"><span style=\"color: #333333; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">There is a wide variety range of network solutions on the market. QSFP+ 40G optical modules, QSFP+ 40G DAC, and 40G AOC are popularized with their advantages and provide a high-performance and cost-effective interconnection between servers, switches in data centers. 40G BASE-LR4 QSFP+ optical transceivers differentiate from 40GBASE-SR4 QSFP+ mainly in their interfaces. 40G QSFP+ DAC cable is well known for its strengths such as lower cost and power consumption and good heat dissipation. While 40G AOC cables enable longer transmission distance and adopt highly integrated array optical engine core device technology. May the analysis on these 40G QSFP+ network solutions is meaningful for your selection.<\/span><\/span>\u00a0<\/p>\n<style>\r\n\r\n        .lwrp.link-whisper-related-posts{\r\n            \r\n            margin-top: 40px;\nmargin-bottom: 30px;\r\n        }\r\n        .lwrp .lwrp-title{\r\n            \r\n            \r\n        }\r\n        .lwrp .lwrp-description{\r\n            \r\n            \r\n\r\n        }\r\n        .lwrp .lwrp-list-container{\r\n        }\r\n        .lwrp .lwrp-list-multi-container{\r\n            display: flex;\r\n        }\r\n        .lwrp .lwrp-list-double{\r\n            width: 48%;\r\n        }\r\n        .lwrp .lwrp-list-triple{\r\n            width: 32%;\r\n        }\r\n        .lwrp .lwrp-list-row-container{\r\n            display: flex;\r\n            justify-content: space-between;\r\n        }\r\n        .lwrp .lwrp-list-row-container .lwrp-list-item{\r\n            width: calc(100% - 20px);\r\n        }\r\n        .lwrp .lwrp-list-item:not(.lwrp-no-posts-message-item){\r\n            \r\n            list-style: decimal;\r\n        }\r\n        .lwrp .lwrp-list-item img{\r\n            max-width: 100%;\r\n            height: auto;\r\n        }\r\n        .lwrp .lwrp-list-item.lwrp-empty-list-item{\r\n            background: initial !important;\r\n        }\r\n        .lwrp .lwrp-list-item .lwrp-list-link .lwrp-list-link-title-text,\r\n        .lwrp .lwrp-list-item .lwrp-list-no-posts-message{\r\n            \r\n                \r\n        }\r\n        @media screen and (max-width: 480px) {\r\n            .lwrp.link-whisper-related-posts{\r\n                \r\n                \r\n            }\r\n            .lwrp .lwrp-title{\r\n                \r\n                \r\n            }\r\n            .lwrp .lwrp-description{\r\n                \r\n                \r\n            }\r\n            .lwrp .lwrp-list-multi-container{\r\n                flex-direction: column;\r\n            }\r\n            .lwrp .lwrp-list-multi-container ul.lwrp-list{\r\n                margin-top: 0px;\r\n                margin-bottom: 0px;\r\n                padding-top: 0px;\r\n                padding-bottom: 0px;\r\n            }\r\n            .lwrp .lwrp-list-double,\r\n            .lwrp .lwrp-list-triple{\r\n                width: 100%;\r\n            }\r\n            .lwrp .lwrp-list-row-container{\r\n                justify-content: initial;\r\n                flex-direction: column;\r\n            }\r\n            .lwrp .lwrp-list-row-container .lwrp-list-item{\r\n                width: 100%;\r\n            }\r\n            .lwrp .lwrp-list-item:not(.lwrp-no-posts-message-item){\r\n                \r\n                \r\n            }\r\n            .lwrp .lwrp-list-item .lwrp-list-link .lwrp-list-link-title-text,\r\n            .lwrp .lwrp-list-item .lwrp-list-no-posts-message{\r\n                \r\n                    \r\n            }\r\n        }<\/style>\r\n<div id=\"link-whisper-related-posts-widget\" class=\"link-whisper-related-posts lwrp\">\r\n            <h3 class=\"lwrp-title\">Related Posts<\/h3>    \r\n        <div class=\"lwrp-list-container\">\r\n                                            <ul class=\"lwrp-list lwrp-list-single\">\r\n                    <li class=\"lwrp-list-item\"><a href=\"https:\/\/www.fibermall.com\/blog\/wdm-vs-otn.htm\" class=\"lwrp-list-link\"><span class=\"lwrp-list-link-title-text\">WDM VS OTN&#8211;What are the Differences?<\/span><\/a><\/li><li class=\"lwrp-list-item\"><a href=\"https:\/\/www.fibermall.com\/video\/the-use-of-sfp-10g-lr.htm\" class=\"lwrp-list-link\"><span class=\"lwrp-list-link-title-text\">Design, construction and use of SFP 10G LR<\/span><\/a><\/li><li class=\"lwrp-list-item\"><a href=\"https:\/\/www.fibermall.com\/blog\/10gb-network-switch.htm\" class=\"lwrp-list-link\"><span class=\"lwrp-list-link-title-text\">Unlocking the Power of 10 GbE: The Ultimate Guide to 10 Gb Network Switches<\/span><\/a><\/li><li class=\"lwrp-list-item\"><a href=\"https:\/\/www.fibermall.com\/blog\/switch-in-computer-network.htm\" class=\"lwrp-list-link\"><span class=\"lwrp-list-link-title-text\">Understanding the Role of a Network Switch: From Routers to Ethernet Hubs<\/span><\/a><\/li><li class=\"lwrp-list-item\"><a href=\"https:\/\/www.fibermall.com\/blog\/development-of-pcie.htm\" class=\"lwrp-list-link\"><span class=\"lwrp-list-link-title-text\">Development of PCIE<\/span><\/a><\/li>                <\/ul>\r\n                        <\/div>\r\n<\/div>","protected":false},"excerpt":{"rendered":"<p>The 40G network connection technology solution includes 40G QSFP+ series optical modules. Among them, the most common ones are 40GBASE-LR4 QSFP+, 40GBASE-SR4 QSFP+, and 40G LR4 PSM. In addition, the high-speed cable DAC-40G QSFP+ and active optical cable AOC-40G QSFP+ have attracted the attention of more and more users in the industry. This article will introduce and explain the above network solutions, and then provide an effective analytical reference for users to select 40G data application.<\/p>\n","protected":false},"author":4,"featured_media":309,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":"","_wpscppro_dont_share_socialmedia":false,"_wpscppro_custom_social_share_image":0,"_facebook_share_type":"","_twitter_share_type":"","_linkedin_share_type":"","_pinterest_share_type":"","_linkedin_share_type_page":"","_instagram_share_type":"","_medium_share_type":"","_threads_share_type":"","_google_business_share_type":"","_selected_social_profile":[],"_wpsp_enable_custom_social_template":false,"_wpsp_social_scheduling":{"enabled":false,"datetime":null,"platforms":[],"status":"template_only","dateOption":"today","timeOption":"now","customDays":"","customHours":"","customDate":"","customTime":"","schedulingType":"absolute"},"_wpsp_active_default_template":true},"categories":[30],"tags":[69,73,76,72,74,75,70,71],"class_list":["post-103","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fiber-optic-transceivers","tag-40g","tag-40g-aoc","tag-optical-module","tag-qsfp-40g-dac","tag-qsfp-40g-lr4","tag-qsfp-transceiver","tag-qsfp","tag-qsfp-40g-sr4"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.13 (Yoast SEO v25.8) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What 40G QSFP+ Optical Module, DAC, AOC is Best for You |FiberMall<\/title>\n<meta name=\"description\" content=\"40G QSFP+ optical modules include SR4, LR4, LR4 PSM, 40G AOC and DAC are all the Internet interconnect solutions for 40GBASE Ethernet.\" \/>\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.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What are the Types\u00a0of 40G QSFP+ Optical Modules, DAC, AOC\u00a0\" \/>\n<meta property=\"og:description\" content=\"The 40G network connection technology solution includes 40G QSFP+ series optical modules. Among them, the most common ones are 40GBASE-LR4 QSFP+, 40GBASE-SR4 QSFP+, and 40G LR4 PSM. In addition, the high-speed cable DAC-40G QSFP+ and active optical cable AOC-40G QSFP+ have attracted the attention of more and more users in the industry. This article will introduce and explain the above network solutions, and then provide an effective analytical reference for users to select 40G data application.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm\" \/>\n<meta property=\"og:site_name\" content=\"fibermall.com\" \/>\n<meta property=\"article:published_time\" content=\"2021-02-01T09:23:33+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-03T01:37:31+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2021\/02\/What-are-the-Types-of-40G-QSFP-Optical-Modules-DAC-AOC.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"380\" \/>\n\t<meta property=\"og:image:height\" content=\"221\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Mia\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Mia\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"9 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm\"},\"author\":{\"name\":\"Mia\",\"@id\":\"https:\/\/www.fibermall.com\/blog.htm\/#\/schema\/person\/56a37c7b0e1e8c61823cd6ef48e8dce3\"},\"headline\":\"What are the Types\u00a0of 40G QSFP+ Optical Modules, DAC, AOC\u00a0\",\"datePublished\":\"2021-02-01T09:23:33+00:00\",\"dateModified\":\"2024-04-03T01:37:31+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm\"},\"wordCount\":1714,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.fibermall.com\/blog.htm\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2021\/02\/What-are-the-Types-of-40G-QSFP-Optical-Modules-DAC-AOC.jpg\",\"keywords\":[\"40G\",\"40G AOC\",\"optical module\",\"QSFP 40G DAC\",\"QSFP 40G LR4\",\"QSFP transceiver\",\"QSFP+\",\"QSFP+ 40G SR4\"],\"articleSection\":[\"Fiber Optic Transceivers\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm\",\"url\":\"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm\",\"name\":\"What 40G QSFP+ Optical Module, DAC, AOC is Best for You |FiberMall\",\"isPartOf\":{\"@id\":\"https:\/\/www.fibermall.com\/blog.htm\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2021\/02\/What-are-the-Types-of-40G-QSFP-Optical-Modules-DAC-AOC.jpg\",\"datePublished\":\"2021-02-01T09:23:33+00:00\",\"dateModified\":\"2024-04-03T01:37:31+00:00\",\"description\":\"40G QSFP+ optical modules include SR4, LR4, LR4 PSM, 40G AOC and DAC are all the Internet interconnect solutions for 40GBASE Ethernet.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm#primaryimage\",\"url\":\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2021\/02\/What-are-the-Types-of-40G-QSFP-Optical-Modules-DAC-AOC.jpg\",\"contentUrl\":\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2021\/02\/What-are-the-Types-of-40G-QSFP-Optical-Modules-DAC-AOC.jpg\",\"width\":380,\"height\":221},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.fibermall.com\/blog.htm\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"What are the Types\u00a0of 40G QSFP+ Optical Modules, DAC, AOC\u00a0\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.fibermall.com\/blog.htm\/#website\",\"url\":\"https:\/\/www.fibermall.com\/blog.htm\/\",\"name\":\"fibermall.com\",\"description\":\"Optical Communication Expert\",\"publisher\":{\"@id\":\"https:\/\/www.fibermall.com\/blog.htm\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.fibermall.com\/blog.htm\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.fibermall.com\/blog.htm\/#organization\",\"name\":\"fibermall.com\",\"url\":\"https:\/\/www.fibermall.com\/blog.htm\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.fibermall.com\/blog.htm\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2024\/12\/cropped-Fiber-Mall-Logo.jpg\",\"contentUrl\":\"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2024\/12\/cropped-Fiber-Mall-Logo.jpg\",\"width\":200,\"height\":67,\"caption\":\"fibermall.com\"},\"image\":{\"@id\":\"https:\/\/www.fibermall.com\/blog.htm\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.fibermall.com\/blog.htm\/#\/schema\/person\/56a37c7b0e1e8c61823cd6ef48e8dce3\",\"name\":\"Mia\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.fibermall.com\/blog.htm\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/2e83831e57346d5d451c45e43aa96d14fc758d8f72f7304810e123b36585382b?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/2e83831e57346d5d451c45e43aa96d14fc758d8f72f7304810e123b36585382b?s=96&d=mm&r=g\",\"caption\":\"Mia\"},\"description\":\"Optical Transmission Consultant\",\"sameAs\":[\"https:\/\/www.fibermall.com\/\"],\"url\":\"https:\/\/www.fibermall.com\/blog.htm?author=4\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"What 40G QSFP+ Optical Module, DAC, AOC is Best for You |FiberMall","description":"40G QSFP+ optical modules include SR4, LR4, LR4 PSM, 40G AOC and DAC are all the Internet interconnect solutions for 40GBASE Ethernet.","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:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm","og_locale":"en_US","og_type":"article","og_title":"What are the Types\u00a0of 40G QSFP+ Optical Modules, DAC, AOC\u00a0","og_description":"The 40G network connection technology solution includes 40G QSFP+ series optical modules. Among them, the most common ones are 40GBASE-LR4 QSFP+, 40GBASE-SR4 QSFP+, and 40G LR4 PSM. In addition, the high-speed cable DAC-40G QSFP+ and active optical cable AOC-40G QSFP+ have attracted the attention of more and more users in the industry. This article will introduce and explain the above network solutions, and then provide an effective analytical reference for users to select 40G data application.","og_url":"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm","og_site_name":"fibermall.com","article_published_time":"2021-02-01T09:23:33+00:00","article_modified_time":"2024-04-03T01:37:31+00:00","og_image":[{"width":380,"height":221,"url":"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2021\/02\/What-are-the-Types-of-40G-QSFP-Optical-Modules-DAC-AOC.jpg","type":"image\/jpeg"}],"author":"Mia","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Mia","Est. reading time":"9 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm#article","isPartOf":{"@id":"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm"},"author":{"name":"Mia","@id":"https:\/\/www.fibermall.com\/blog.htm\/#\/schema\/person\/56a37c7b0e1e8c61823cd6ef48e8dce3"},"headline":"What are the Types\u00a0of 40G QSFP+ Optical Modules, DAC, AOC\u00a0","datePublished":"2021-02-01T09:23:33+00:00","dateModified":"2024-04-03T01:37:31+00:00","mainEntityOfPage":{"@id":"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm"},"wordCount":1714,"commentCount":0,"publisher":{"@id":"https:\/\/www.fibermall.com\/blog.htm\/#organization"},"image":{"@id":"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm#primaryimage"},"thumbnailUrl":"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2021\/02\/What-are-the-Types-of-40G-QSFP-Optical-Modules-DAC-AOC.jpg","keywords":["40G","40G AOC","optical module","QSFP 40G DAC","QSFP 40G LR4","QSFP transceiver","QSFP+","QSFP+ 40G SR4"],"articleSection":["Fiber Optic Transceivers"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm","url":"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm","name":"What 40G QSFP+ Optical Module, DAC, AOC is Best for You |FiberMall","isPartOf":{"@id":"https:\/\/www.fibermall.com\/blog.htm\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm#primaryimage"},"image":{"@id":"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm#primaryimage"},"thumbnailUrl":"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2021\/02\/What-are-the-Types-of-40G-QSFP-Optical-Modules-DAC-AOC.jpg","datePublished":"2021-02-01T09:23:33+00:00","dateModified":"2024-04-03T01:37:31+00:00","description":"40G QSFP+ optical modules include SR4, LR4, LR4 PSM, 40G AOC and DAC are all the Internet interconnect solutions for 40GBASE Ethernet.","breadcrumb":{"@id":"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm#primaryimage","url":"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2021\/02\/What-are-the-Types-of-40G-QSFP-Optical-Modules-DAC-AOC.jpg","contentUrl":"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2021\/02\/What-are-the-Types-of-40G-QSFP-Optical-Modules-DAC-AOC.jpg","width":380,"height":221},{"@type":"BreadcrumbList","@id":"https:\/\/www.fibermall.com\/blog\/what-type-of-40g-qsfp-optical-module-dac-aoc.htm#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.fibermall.com\/blog.htm"},{"@type":"ListItem","position":2,"name":"What are the Types\u00a0of 40G QSFP+ Optical Modules, DAC, AOC\u00a0"}]},{"@type":"WebSite","@id":"https:\/\/www.fibermall.com\/blog.htm\/#website","url":"https:\/\/www.fibermall.com\/blog.htm\/","name":"fibermall.com","description":"Optical Communication Expert","publisher":{"@id":"https:\/\/www.fibermall.com\/blog.htm\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.fibermall.com\/blog.htm\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.fibermall.com\/blog.htm\/#organization","name":"fibermall.com","url":"https:\/\/www.fibermall.com\/blog.htm\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.fibermall.com\/blog.htm\/#\/schema\/logo\/image\/","url":"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2024\/12\/cropped-Fiber-Mall-Logo.jpg","contentUrl":"https:\/\/www.fibermall.com\/blog\/wp-content\/uploads\/2024\/12\/cropped-Fiber-Mall-Logo.jpg","width":200,"height":67,"caption":"fibermall.com"},"image":{"@id":"https:\/\/www.fibermall.com\/blog.htm\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.fibermall.com\/blog.htm\/#\/schema\/person\/56a37c7b0e1e8c61823cd6ef48e8dce3","name":"Mia","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.fibermall.com\/blog.htm\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/2e83831e57346d5d451c45e43aa96d14fc758d8f72f7304810e123b36585382b?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/2e83831e57346d5d451c45e43aa96d14fc758d8f72f7304810e123b36585382b?s=96&d=mm&r=g","caption":"Mia"},"description":"Optical Transmission Consultant","sameAs":["https:\/\/www.fibermall.com\/"],"url":"https:\/\/www.fibermall.com\/blog.htm?author=4"}]}},"_links":{"self":[{"href":"https:\/\/www.fibermall.com\/blog.htm\/index.php?rest_route=\/wp\/v2\/posts\/103","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fibermall.com\/blog.htm\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fibermall.com\/blog.htm\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fibermall.com\/blog.htm\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fibermall.com\/blog.htm\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=103"}],"version-history":[{"count":10,"href":"https:\/\/www.fibermall.com\/blog.htm\/index.php?rest_route=\/wp\/v2\/posts\/103\/revisions"}],"predecessor-version":[{"id":10763,"href":"https:\/\/www.fibermall.com\/blog.htm\/index.php?rest_route=\/wp\/v2\/posts\/103\/revisions\/10763"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fibermall.com\/blog.htm\/index.php?rest_route=\/wp\/v2\/media\/309"}],"wp:attachment":[{"href":"https:\/\/www.fibermall.com\/blog.htm\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=103"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fibermall.com\/blog.htm\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=103"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fibermall.com\/blog.htm\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=103"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}