{"id":134,"date":"2020-09-15T02:47:37","date_gmt":"2020-09-15T02:47:37","guid":{"rendered":"https:\/\/www.fibermall.com\/?p=134"},"modified":"2024-02-23T10:14:45","modified_gmt":"2024-02-23T10:14:45","slug":"100g-qsfp28-sr4-vs-psm4-vs-cwdm4-vs-lr4-vs-er4-transceiver","status":"publish","type":"post","link":"https:\/\/www.fibermall.com\/blog\/100g-qsfp28-sr4-psm4-cwdm4-lr4-er4.htm","title":{"rendered":"100G QSFP28 SR4 vs PSM4 vs CWDM4 vs LR4 vs ER4 Transceiver"},"content":{"rendered":"<style>\n.single-paymethods{width:100%;background:#fff}.single-paymethods__top{width:100%}.single-paymethods__banner{width:100%;min-width:1200px;height:380px;overflow:hidden;position:relative;padding-bottom:14px}.single-paymethods__banner img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.single-paymethods__banner h1{position:absolute;width:50%;text-align:center;font-size:36px;color:#fff;font-weight:700;top:0;left:0;bottom:0;right:0;height:20%;margin:auto}.single-paymethods__contains{margin:0 auto;padding-bottom:30px;overflow:hidden}.single-shipping__com{line-height:24px;font-size:14px;border-bottom:1px solid #eaebef;padding-bottom:29px}.single-shipping__com:last-child{border-bottom:0}.single-shipping__com h2{font-size:24px;text-align:center}.single-shipping__com figcaption{text-align:center;padding-top:18px;padding-bottom:27px}.single-shipping__com figcaption span{display:inline-block;width:29px;height:5px;background:#4ba0ff}.single-shipping__img{width:100%;overflow:hidden;text-align:center;margin:20px 0}.single-shipping__img img{max-width:100%}.single-shipping__box{width:100%;overflow:hidden}.single-shipping__list{width:595px;height:460px;border:1px solid #b0b0b0;box-sizing:border-box;text-align:center;float:left;margin-right:20px;margin-top:20px}.single-shipping__list:nth-child(2n+0){margin-right:0}.single-shipping__simage{width:100%;height:380px;line-height:380px;overflow:hidden}.single-shipping__simage img{vertical-align:middle;width:100%}.single-shipping__sititle{height:80px;line-height:80px;padding:0 38px;box-sizing:border-box;width:100%}.single-shipping__sititle span{display:inline-block;line-height:20px}.Optical-transceivers{font-size:22px;font-weight:700;padding-bottom:20px}@media screen and (max-width:800px){.single-paymethods__banner{min-width:100%;height:170px}.single-paymethods__banner h1{font-size:16px;height:30%}.single-shipping__com h2{font-size:16px}.single-paymethods__contains{padding-left:10px;padding-right:10px;box-sizing:border-box;width:100%}.new-room__left{float:inherit;width:100%}.new-room__right{float:inherit;width:100%}.single-shipping__list{width:100%;height:inherit}.single-shipping__simage{overflow:hidden;height:inherit;line-height:inherit}.single-shipping__simage img{max-width:100%}.single-shipping__sititle span{vertical-align:middle}}<br \/><\/style>\n<style>\n.single-paymethods__com  li {<br \/>    list-style-type: disc;<br \/>    list-style-position: inside;<br \/>}<br \/><\/style>\n<article class=\"single-paymethods\">\n<article class=\"single-paymethods__contains\">\n<section class=\"single-shipping__com\">\n<p style=\"text-align: justify;\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\"><span style=\"text-align: justify;\">100G Ethernet has been well underway with the rapid development of IoT, 5G, and cloud computing. As one of the primary networking solutions for 100G application in data center, QSFP28 fiber optic\u00a0<\/span>transceiver modules has seen an increasing demand among internet service providers, mobile operators, and data centers. This post focus on the five common types of 100G transceiver in QSFP28(Quad Small Form-Factor Pluggable 28) form factor.<\/span><\/p>\n<div align=\"center\">\n<table class=\"MsoTableGrid\" style=\"text-align: justify; border: none;\" border=\"1\" cellspacing=\"0\">\n<tbody>\n<tr style=\"height: 21.1000pt;\">\n<td style=\"width: 171pt; padding: 0pt 5.4pt; border-width: 1pt; border-style: solid dotted; border-color: #4f81bd windowtext; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\" valign=\"top\" width=\"228\">\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">100G QSFP28 Optic Transceiver<\/span><\/p>\n<\/td>\n<td style=\"width: 88.4pt; padding: 0pt 5.4pt; border-left: none; border-right: 1pt dotted windowtext; border-top: 1pt solid #4f81bd; border-bottom: 1pt solid #4f81bd; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\" valign=\"top\" width=\"117\">\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">Interface<\/span><\/p>\n<\/td>\n<td style=\"width: 69.65pt; padding: 0pt 5.4pt; border-left: none; border-right: 1pt dotted windowtext; border-top: 1pt solid #4f81bd; border-bottom: 1pt solid #4f81bd; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\" valign=\"top\" width=\"92\">\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">Cable Type<\/span><\/p>\n<\/td>\n<td style=\"width: 117.55pt; padding: 0pt 5.4pt; border-left: none; border-right: 1pt dotted windowtext; border-top: 1pt solid #4f81bd; border-bottom: 1pt solid #4f81bd; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\" valign=\"top\" width=\"156\">\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">Transmission Distance<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 171.0000pt; padding: 0.0000pt 5.4000pt 0.0000pt 5.4000pt; border-left: 1.0000pt dotted windowtext; mso-border-left-alt: 0.5000pt dotted windowtext; border-right: 1.0000pt dotted windowtext; mso-border-right-alt: 0.5000pt dotted windowtext; border-top: none; mso-border-top-alt: 1.0000pt solid #4f81bd; border-bottom: 1.0000pt dotted windowtext; mso-border-bottom-alt: 0.5000pt dotted windowtext; background: #dbe5f1;\" valign=\"top\" width=\"228\">\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">100G QSFP28 SR4<\/span><\/p>\n<\/td>\n<td style=\"width: 88.4000pt; padding: 0.0000pt 5.4000pt 0.0000pt 5.4000pt; border-left: none; mso-border-left-alt: none; border-right: 1.0000pt dotted windowtext; mso-border-right-alt: 0.5000pt dotted windowtext; border-top: none; mso-border-top-alt: 1.0000pt solid #4f81bd; border-bottom: 1.0000pt dotted windowtext; mso-border-bottom-alt: 0.5000pt dotted windowtext; background: #dbe5f1;\" valign=\"top\" width=\"117\">\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">MTP\/MPO-12<\/span><\/p>\n<\/td>\n<td style=\"width: 69.6500pt; padding: 0.0000pt 5.4000pt 0.0000pt 5.4000pt; border-left: none; mso-border-left-alt: none; border-right: 1.0000pt dotted windowtext; mso-border-right-alt: 0.5000pt dotted windowtext; border-top: none; mso-border-top-alt: 1.0000pt solid #4f81bd; border-bottom: 1.0000pt dotted windowtext; mso-border-bottom-alt: 0.5000pt dotted windowtext; background: #dbe5f1;\" valign=\"top\" width=\"92\">\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">MMF<\/span><\/p>\n<\/td>\n<td style=\"width: 117.5500pt; padding: 0.0000pt 5.4000pt 0.0000pt 5.4000pt; border-left: none; mso-border-left-alt: none; border-right: 1.0000pt dotted windowtext; mso-border-right-alt: 0.5000pt dotted windowtext; border-top: none; mso-border-top-alt: 1.0000pt solid #4f81bd; border-bottom: 1.0000pt dotted windowtext; mso-border-bottom-alt: 0.5000pt dotted windowtext; background: #dbe5f1;\" valign=\"top\" width=\"156\">\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">70m(OM3);100m(OM4)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 171pt; padding: 0pt 5.4pt; border-left: 1pt dotted windowtext; border-right: 1pt dotted windowtext; border-top: none; border-bottom: 1pt dotted windowtext; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\" valign=\"top\" width=\"228\">\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">100G QSFP28 PSM4<\/span><\/p>\n<\/td>\n<td style=\"width: 88.4pt; padding: 0pt 5.4pt; border-left: none; border-right: 1pt dotted windowtext; border-top: none; border-bottom: 1pt dotted windowtext; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\" valign=\"top\" width=\"117\">\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">MTP\/MPO-12<\/span><\/p>\n<\/td>\n<td style=\"width: 69.65pt; padding: 0pt 5.4pt; border-left: none; border-right: 1pt dotted windowtext; border-top: none; border-bottom: 1pt dotted windowtext; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\" valign=\"top\" width=\"92\">\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">SMF<\/span><\/p>\n<\/td>\n<td style=\"width: 117.55pt; padding: 0pt 5.4pt; border-left: none; border-right: 1pt dotted windowtext; border-top: none; border-bottom: 1pt dotted windowtext; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\" valign=\"top\" width=\"156\">\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">500m<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 171.0000pt; padding: 0.0000pt 5.4000pt 0.0000pt 5.4000pt; border-left: 1.0000pt dotted windowtext; mso-border-left-alt: 0.5000pt dotted windowtext; border-right: 1.0000pt dotted windowtext; mso-border-right-alt: 0.5000pt dotted windowtext; border-top: none; mso-border-top-alt: 0.5000pt dotted windowtext; border-bottom: 1.0000pt dotted windowtext; mso-border-bottom-alt: 0.5000pt dotted windowtext; background: #dbe5f1;\" valign=\"top\" width=\"228\">\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">100G QSFP28 CWDM4<\/span><\/p>\n<\/td>\n<td style=\"width: 88.4000pt; padding: 0.0000pt 5.4000pt 0.0000pt 5.4000pt; border-left: none; mso-border-left-alt: none; border-right: 1.0000pt dotted windowtext; mso-border-right-alt: 0.5000pt dotted windowtext; border-top: none; mso-border-top-alt: 0.5000pt dotted windowtext; border-bottom: 1.0000pt dotted windowtext; mso-border-bottom-alt: 0.5000pt dotted windowtext; background: #dbe5f1;\" valign=\"top\" width=\"117\">\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">Duplex LC<\/span><\/p>\n<\/td>\n<td style=\"width: 69.6500pt; padding: 0.0000pt 5.4000pt 0.0000pt 5.4000pt; border-left: none; mso-border-left-alt: none; border-right: 1.0000pt dotted windowtext; mso-border-right-alt: 0.5000pt dotted windowtext; border-top: none; mso-border-top-alt: 0.5000pt dotted windowtext; border-bottom: 1.0000pt dotted windowtext; mso-border-bottom-alt: 0.5000pt dotted windowtext; background: #dbe5f1;\" valign=\"top\" width=\"92\">\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">SMF<\/span><\/p>\n<\/td>\n<td style=\"width: 117.5500pt; padding: 0.0000pt 5.4000pt 0.0000pt 5.4000pt; border-left: none; mso-border-left-alt: none; border-right: 1.0000pt dotted windowtext; mso-border-right-alt: 0.5000pt dotted windowtext; border-top: none; mso-border-top-alt: 0.5000pt dotted windowtext; border-bottom: 1.0000pt dotted windowtext; mso-border-bottom-alt: 0.5000pt dotted windowtext; background: #dbe5f1;\" valign=\"top\" width=\"156\">\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">2km<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 171pt; padding: 0pt 5.4pt; border-left: 1pt dotted windowtext; border-right: 1pt dotted windowtext; border-top: none; border-bottom: 1pt dotted windowtext; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\" valign=\"top\" width=\"228\">\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">100G QSFP28 LR4<\/span><\/p>\n<\/td>\n<td style=\"width: 88.4pt; padding: 0pt 5.4pt; border-left: none; border-right: 1pt dotted windowtext; border-top: none; border-bottom: 1pt dotted windowtext; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\" valign=\"top\" width=\"117\">\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">Duplex LC<\/span><\/p>\n<\/td>\n<td style=\"width: 69.65pt; padding: 0pt 5.4pt; border-left: none; border-right: 1pt dotted windowtext; border-top: none; border-bottom: 1pt dotted windowtext; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\" valign=\"top\" width=\"92\">\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">SMF<\/span><\/p>\n<\/td>\n<td style=\"width: 117.55pt; padding: 0pt 5.4pt; border-left: none; border-right: 1pt dotted windowtext; border-top: none; border-bottom: 1pt dotted windowtext; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\" valign=\"top\" width=\"156\">\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">10km<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 171.0000pt; padding: 0.0000pt 5.4000pt 0.0000pt 5.4000pt; border-left: 1.0000pt dotted windowtext; mso-border-left-alt: 0.5000pt dotted windowtext; border-right: 1.0000pt dotted windowtext; mso-border-right-alt: 0.5000pt dotted windowtext; border-top: none; mso-border-top-alt: 0.5000pt dotted windowtext; border-bottom: 1.0000pt solid #4f81bd; mso-border-bottom-alt: 1.0000pt solid #4f81bd; background: #dbe5f1;\" valign=\"top\" width=\"228\">\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">100G QSFP28 ER4<\/span><\/p>\n<\/td>\n<td style=\"width: 88.4000pt; padding: 0.0000pt 5.4000pt 0.0000pt 5.4000pt; border-left: none; mso-border-left-alt: none; border-right: 1.0000pt dotted windowtext; mso-border-right-alt: 0.5000pt dotted windowtext; border-top: none; mso-border-top-alt: 0.5000pt dotted windowtext; border-bottom: 1.0000pt solid #4f81bd; mso-border-bottom-alt: 1.0000pt solid #4f81bd; background: #dbe5f1;\" valign=\"top\" width=\"117\">\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">Duplex LC<\/span><\/p>\n<\/td>\n<td style=\"width: 69.6500pt; padding: 0.0000pt 5.4000pt 0.0000pt 5.4000pt; border-left: none; mso-border-left-alt: none; border-right: 1.0000pt dotted windowtext; mso-border-right-alt: 0.5000pt dotted windowtext; border-top: none; mso-border-top-alt: 0.5000pt dotted windowtext; border-bottom: 1.0000pt solid #4f81bd; mso-border-bottom-alt: 1.0000pt solid #4f81bd; background: #dbe5f1;\" valign=\"top\" width=\"92\">\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">SMF<\/span><\/p>\n<\/td>\n<td style=\"width: 117.5500pt; padding: 0.0000pt 5.4000pt 0.0000pt 5.4000pt; border-left: none; mso-border-left-alt: none; border-right: 1.0000pt dotted windowtext; mso-border-right-alt: 0.5000pt dotted windowtext; border-top: none; mso-border-top-alt: 0.5000pt dotted windowtext; border-bottom: 1.0000pt solid #4f81bd; mso-border-bottom-alt: 1.0000pt solid #4f81bd; background: #dbe5f1;\" valign=\"top\" width=\"156\">\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">40km<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"text-align: center;\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\"><b>QSFP28 Transceiver Specification<\/b><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 12pt;\"><span style=\"color: #424242; font-family: Helvetica;\">\u00a0<\/span><\/span><\/p>\n<p style=\"text-align: justify; text-justify: inter-ideograph;\"><span style=\"color: #424242; font-family: Helvetica; font-size: 14pt;\"><b>QSFP28 Form Factor Overview<\/b><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\" align=\"justify\"><span style=\"font-family: Helvetica; font-size: 12pt;\"><span style=\"color: #424242;\">There are different types of form factors for 100G transceivers, including CXP, CFP\/CFP2\/CFP4, and <\/span><a href=\"https:\/\/www.fibermall.com\/blog\/100g-qsfp28-transceiver.htm\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0000ff;\">QSFP28<\/span><\/a><span style=\"color: #424242;\">(Quad Small Form-factor Pluggable 28). While QSFP28 has played a dominant role in the 100G Ethernet fiber optic networking for data centers due to its low power consumption and high density.<\/span><\/span><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">\u00a0<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\"><img decoding=\"async\" class=\"\" style=\"width: 521px; height: 363px;\" title=\"100G QSFP28 SR4, CWDM4, PSM4, LR4, ER4\" src=\"\/\/www.fibermall.com\/editor\/img\/1609140056_24045.jpg\" alt=\"100G QSFP28 SR4, CWDM4, PSM4, LR4, ER4\" \/>\u00a0<\/span><\/p>\n<div class=\"single-shipping__img\"><\/div>\n<p style=\"text-align: justify; text-justify: inter-ideograph;\"><span style=\"color: #424242; font-family: Helvetica; font-size: 14pt;\"><b>100G QSFP28 SR4 Optical Transceiver<\/b><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify;\" align=\"justify\"><span style=\"font-family: Helvetica; font-size: 12pt;\"><span style=\"color: #424242;\">The 100G QSFP28 SR4 is a hot-pluggable, 4-channel, and full-duplex fiber optic transceiver module for the 100G Gigabit Ethernet application. <\/span><span style=\"color: #424242; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">It is composed of four independent transmit and receive <\/span><span style=\"color: #424242; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">signal <\/span><span style=\"color: #424242; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">channels<\/span><span style=\"color: #424242; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">\u00a0with e<\/span><span style=\"color: #424242; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">ach channel <\/span><span style=\"color: #424242; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">operating at a <\/span><span style=\"color: #424242; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">rate<\/span><span style=\"color: #424242; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">\u00a0of<\/span><span style=\"color: #424242; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">\u00a025.78Gbps<\/span><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: #424242;\">. This <\/span><a href=\"https:\/\/www.fibermall.com\/sale-420416-qsfp28-100g-sr4-100g-qsfp28-sr4-850nm-100m-mtp-mpo-mmf-ddm-transceiver-module.htm\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0000ff;\">100G SR4<\/span><\/a><span style=\"color: #424242;\"> optical module provides an aggregated bit rate of <\/span><\/span><span style=\"color: #424242; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">103.1Gbps<\/span><span style=\"color: #424242; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">\u00a0up to 70m transmission distance over OM3 optic fiber or 100m over om4.<\/span><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify;\" align=\"justify\"><span style=\"color: #424242; 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;\">\u00a0<\/span><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"justify\"><iframe class=\"note-video-clip\" src=\"\/\/www.youtube.com\/embed\/r0QdD5qnehg\" width=\"640\" height=\"360\" frameborder=\"0\"><\/iframe><\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\" align=\"justify\"><span style=\"color: #424242; 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;\">This QSFP28 transceiver is encoded to function over multimode fiber(MMF) at a center wavelength of 850nm. The optical interface of the 100GBASE-SR4 QSFP28 optical module is Male MTP \/ MPO-12. As two 100GBASE-SR4 QSFP28 are connected to each other, it requires a polarity type B MTP \/ MPO-12 connector, which is shown\u00a0<\/span><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;\">below<\/span><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><\/span><\/p>\n<div class=\"single-shipping__img\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\"><img decoding=\"async\" class=\"aligncenter\" style=\"width: 50%;\" title=\"MTP\/MPO-12 optical connector of optical interface of the 100GBASE-SR4 QSFP28 optical module \" src=\"\/\/cdn.fibermall.com\/res\/dist\/image\/Tutorial\/knowledge\/fivetypesof\/f5.png\" alt=\"MTP\/MPO-12 optical connector of optical interface of the 100GBASE-SR4 QSFP28 optical module \" \/><\/span><\/div>\n<div class=\"single-shipping__img\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">\u00a0<\/span><\/div>\n<div class=\"single-shipping__img\" style=\"text-align: center;\"><span style=\"text-align: start; font-size: 10pt;\"><span style=\"color: #424242; font-family: Helvetica;\"><b>Polarity Type B MTP\/MPO-12<\/b><\/span><\/span><\/div>\n<div class=\"single-shipping__img\"><\/div>\n<p style=\"text-align: justify; text-justify: inter-ideograph;\"><span style=\"font-size: 14pt;\"><b><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: #424242; font-family: Helvetica;\">100G QSFP28 CWDM4 Optical Transceiver<\/span><\/span><\/b><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\" align=\"justify\"><span style=\"color: #424242; 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;\">100G CWDM4 QSFP28 is a fiber optic module designed by the CWDM4 MSA organization in 2014. It supports 100G Ethernet network applications through coarse wavelength division multiplexing (CWDM) technology to multiplex four wavelengths of 1271nm, 1291nm, 1311nm, and 1331nm onto a single-mode fiber(SMF) for signal transmission. It contains a <a class=\"wpil_keyword_link\" href=\"https:\/\/www.fibermall.com\/blog\/duplex-lc-connector.htm\"   title=\"duplex LC connector\" data-wpil-keyword-link=\"linked\" target=\"_blank\">duplex LC connector<\/a> for the optical interface and a 38-pin connector for the electrical interface. To minimize the optical dispersion in the long-haul system, single-mode fiber (SMF) has to be applied in this module. Host FEC is required to support up to 2km of fiber transmission.<\/span><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"justify\"><iframe class=\"note-video-clip\" src=\"\/\/www.youtube.com\/embed\/bl0XftefsGk\" width=\"640\" height=\"360\" frameborder=\"0\"><\/iframe><\/p>\n<p class=\"MsoNormal\" style=\"text-align: left;\" align=\"justify\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\"><span style=\"background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">It should be noted that in order to ensure the stability of the optical fiber transmission system, the 100G CWDM4 QSFP28 optical module must have forward error correction (FEC) Functional fiber optic interconnection.<\/span><\/span><\/p>\n<div class=\"single-shipping__img\" style=\"text-align: center;\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\"><img decoding=\"async\" style=\"width: 482.125px; height: 570.916px;\" title=\"100G CWDM4 Diagram\" src=\"\/\/cdn.fibermall.com\/res\/dist\/image\/Tutorial\/knowledge\/fivetypesof\/f8.png\" alt=\"100G CWDM4 Diagram\" \/><br \/>\n<\/span><\/div>\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"letter-spacing: 0pt; font-size: 10pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\"><span style=\"color: #424242; font-family: Helvetica;\"><b>Diagram of CWDM4 100G QSFP28 fiber optic single-mode transceiver module<\/b><\/span><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"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=\"color: #424242; font-family: Helvetica;\">\u00a0<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: bold; font-size: 14pt;\"><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: #424242; font-family: Helvetica;\">100G QSFP28 PSM4 Optic Transceiver<\/span><\/span><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify;\" align=\"justify\"><span style=\"font-size: 12pt;\"><span style=\"font-family: Helvetica;\"><span style=\"color: #424242; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">PSM4 refers to Parallel Single Mode 4.\u00a0<\/span><span style=\"color: #424242; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">This 100GBase PSM4 is a\u00a0<\/span><span style=\"color: #424242; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">single-mode<\/span><span style=\"color: #424242; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">\u00a0<\/span><span style=\"color: #424242; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">four-channel<\/span><span style=\"color: #424242; letter-spacing: 0pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;\">\u00a0<\/span><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: #424242;\">parallel <\/span><a href=\"https:\/\/www.fibermall.com\/store-16528-100g-qsfp28.htm\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #0000ff;\">100Gb\/s QSFP28<\/span><\/a><span style=\"color: #424242;\"> (<\/span><\/span><\/span><span style=\"color: #424242; font-family: Helvetica;\">Quad Small Form-factor Pluggable 28)<\/span><span style=\"color: #424242; font-family: Helvetica; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; letter-spacing: 0pt;\">\u00a0optical module.\u00a0<\/span><span style=\"color: #424242; font-family: Helvetica; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; letter-spacing: 0pt;\">It provides increased port density and total system cost savings.<\/span><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify;\" align=\"justify\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\"> <iframe src=\"\/\/www.youtube.com\/embed\/I-OlnHAEU_8\" width=\"560\" height=\"314\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify;\" align=\"justify\"><span style=\"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=\"color: #424242; font-family: Helvetica;\">The QSFP28 full-duplex optical module offers 4 independent transmit and receive channels, each capable of 25Gb\/s operation for an aggregate data rate of 100Gb\/s on 2km of single-mode fiber. An optical fiber ribbon cable with an MTP\/MPO connector can be plugged into the QSFP28 module receptacle. Proper alignment is ensured by the guide pins inside the receptacle. The cable usually cannot be twisted for proper channel-to-channel alignment. The electrical connection is achieved through an MSA-compliant 38-pin edge-type connector.<\/span><\/span><\/p>\n<div style=\"text-align: center;\"><span style=\"font-size: 12pt;\"><img decoding=\"async\" style=\"width: 661.093px; height: 372.078px;\" title=\"Diagram of 100G PSM4 QSFP28 fiber to ethernet transceiver with 1 x 12 optical interface\" src=\"\/\/www.fibermall.com\/editor\/img\/1617096144_44733.png\" alt=\"Diagram of 100G PSM4 QSFP28 fiber to ethernet transceiver with 1 x 12 optical interface\" \/><\/span><\/div>\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 10pt;\"><b>Diagram of 100G PSM4 QSFP28 fiber to ethernet transceiver<\/b><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: center;\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\">\u00a0<\/span><\/p>\n<p style=\"text-align: justify; text-justify: inter-ideograph;\"><span style=\"color: #424242; font-family: Helvetica; font-size: 14pt;\"><b><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;\">100G<\/span><\/b><b><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;\">\u00a0<\/span><\/b><b><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;\">LR4 QSFP28<\/span><\/b><b><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;\">\u00a0Transceiver<\/span><\/b><b><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;\">\u00a0Module<\/span><\/b><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\" align=\"justify\"><span style=\"color: #424242; 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;\">100GBASE-LR4 QSFP28 optical module is generally used with LC single-mode <\/span><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;\">f<\/span><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;\">iber <\/span><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;\">o<\/span><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;\">ptic <\/span><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;\">c<\/span><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;\">ables, and the maximum transmission distance is 10km. The 100GBASE-LR4 QSFP28 optical module <\/span><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;\">converts<\/span><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;\">\u00a0four 25Gbps electrical signals into four LAN WDM optical signals with an interval of 4.56nm between adjacent channels<\/span><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;\">\u00a0<\/span><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;\">a<\/span><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;\">nd then multiplexed it onto a single fiber <\/span><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;\">to achieve a 100<\/span><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;\">G optical transmission. At the receiving end, the module demultiplexes 100G optical input into 4 LAN WDM optical signals.<\/span><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;\">\u00a0<\/span><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\" align=\"justify\"><span style=\"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=\"color: #424242; font-family: Helvetica;\">\u00a0<\/span><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\" align=\"justify\"><span style=\"color: #424242; 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;\">The LAN WDM DFB laser and PIN receiver designed inside <\/span><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;\">this QSFP28 LR4 <\/span><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;\">offer high<\/span><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;\">\u00a0<\/span><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;\">performance for 100Gigabit Ethernet applications <\/span><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;\">u<\/span><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;\">p to <\/span><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;\">10<\/span><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;\">km <\/span><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;\">link length<\/span><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;\">\u00a0on single-mode fiber (SMF) with FEC<\/span><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;\">. The primary building blocks are depicted in the diagram <\/span><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;\">below.<\/span><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;\">\u00a0<\/span><\/span><\/p>\n<div class=\"single-shipping__img\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\"><img decoding=\"async\" class=\"aligncenter\" style=\"width: 598.5px; height: 373.716px;\" title=\"Diagram of QSFP28 LR4 100G fiber transceiver with QSFP28 electrical connector and LC optical connector\" src=\"\/\/cdn.fibermall.com\/res\/dist\/image\/Tutorial\/knowledge\/fivetypesof\/f10.png\" alt=\"Diagram of QSFP28 LR4 100G fiber transceiver with QSFP28 electrical connector and LC optical connector\" \/><\/span><\/div>\n<div class=\"single-shipping__img\">\n<p class=\"MsoNormal\" align=\"center\"><span style=\"color: #424242; font-family: Helvetica; font-size: 10pt;\"><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;\"><b>Diagram of QSFP28 LR4 100GBase long-range Ethernet transceiver module<\/b><\/span><\/span><\/p>\n<\/div>\n<div class=\"single-shipping__img\"><\/div>\n<p style=\"text-align: justify; text-justify: inter-ideograph;\"><span style=\"color: #424242; font-family: Helvetica; font-size: 14pt;\"><b><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;\">100G QSFP28 ER4 Transceiver<\/span><\/b><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\" align=\"justify\"><span style=\"color: #424242; 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;\">100G QSFP28 ER4 optical module adopts WDM multiplexed wavelength division technology, with a wavelength of 1295.56 ~ 1309.14<\/span><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;\">\u00a0in the form factor of <\/span><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;\">QSFP28. It uses LC duplex connectors<\/span><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;\">\u00a0with a<\/span><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;\">\u00a0maximum transmission distance <\/span><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;\">of <\/span><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;\">40<\/span><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;\">km<\/span><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;\">\u00a0<\/span><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;\">over<\/span><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;\">\u00a0single-mode fiber<\/span><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;\">. F<\/span><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;\">eaturing DDM, small size,\u00a0<\/span><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;\">a<\/span><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;\">nd low power consumption<\/span><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;\">, 100G ER4<\/span><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;\">\u00a0is applied to OTN equipment<\/span><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;\">\u00a0and s<\/span><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;\">upports<\/span><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;\">\u00a0both<\/span><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;\">\u00a0the OTU4 <\/span><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;\">and 100Gbe <\/span><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;\">rate<\/span><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;\">\u00a0when connecting to the Ethernet switch.<\/span><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\" align=\"justify\"><span style=\"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=\"color: #424242; font-family: Helvetica;\">\u00a0<\/span><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\" align=\"justify\"><span style=\"color: #424242; 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;\">The transmitting end of the 100G QSFP28 ER4 optical fiber module adopts a DML laser that supports dual rates<\/span><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;\">. The<\/span><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;\">\u00a0power consumption <\/span><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;\">for this single-mode transceiver <\/span><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;\">is less than 3.8W under the condition of 0~70\u2103 full temperature, which meets the requirements of green and energy-saving data centers.<\/span><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\" align=\"justify\"><span style=\"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=\"color: #424242; font-family: Helvetica;\">\u00a0<\/span><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\" align=\"justify\"><span style=\"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=\"color: #424242; font-family: Helvetica;\">The receiving device of the 100G ER4 optical module is APD, featuring high\u00a0receiving\u00a0sensitivity and low power consumption. It provides a cost-effective solution for long-distance applications of 100GE ports between computer rooms.<\/span><\/span><\/p>\n<div class=\"single-shipping__img\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\"><img decoding=\"async\" class=\"aligncenter\" style=\"width: 50%;\" title=\"APD, receiving device of the 100G ER4 optical module\" src=\"\/\/cdn.fibermall.com\/res\/dist\/image\/Tutorial\/knowledge\/fivetypesof\/f12.png\" alt=\"APD, receiving device of the 100G ER4 optical module\" \/><\/span><\/div>\n<div class=\"single-shipping__img\" style=\"text-align: center;\"><span style=\"color: #424242; font-family: Helvetica; font-size: 10pt;\"><b><span style=\"background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; letter-spacing: 0pt;\">APD<\/span><span style=\"background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; letter-spacing: 0pt;\">, <\/span><span style=\"background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; letter-spacing: 0pt;\">receiving device of the 100G ER4 optical module<\/span><\/b><\/span><\/div>\n<p><span style=\"font-size: 12pt; text-align: center; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; letter-spacing: 0pt;\"><span style=\"color: #424242; font-family: Helvetica;\">\u00a0<\/span><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\" align=\"justify\"><span style=\"color: #424242; font-family: Helvetica; font-size: 12pt;\"><span style=\"font-size: 14pt;\"><b><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;\">Conclusion<\/span><\/b><\/span><b><\/b><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify; text-justify: inter-ideograph;\" align=\"justify\"><span style=\"color: #424242; 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;\">The demand for<\/span><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;\">\u00a0<\/span><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;\">high-speed and high-density optical network <\/span><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;\">communications<\/span><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;\">\u00a0has driven the 100G Ethernet to a vigorous<\/span><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;\">\u00a0<\/span><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;\">developing era. The above 100G QSFP28 optical transceivers are favored by network service providers and data centers with the small form factor, superior performance, and low power consumption.\u00a0<\/span><\/span><\/p>\n<\/section>\n<\/article>\n<\/article>\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\/400g-optical-network.htm\" class=\"lwrp-list-link\"><span class=\"lwrp-list-link-title-text\">Unlocking the Power of 400G Optical Networks: A Deep Dive into Cutting-Edge Technology<\/span><\/a><\/li><li class=\"lwrp-list-item\"><a href=\"https:\/\/www.fibermall.com\/blog\/nvidia-dgx-spark-quick-start-guide.htm\" class=\"lwrp-list-link\"><span class=\"lwrp-list-link-title-text\">NVIDIA DGX Spark Quick Start Guide: Your Personal AI Supercomputer on the Desk<\/span><\/a><\/li><li class=\"lwrp-list-item\"><a href=\"https:\/\/www.fibermall.com\/blog\/layer-2-3-4-switch-technology.htm\" class=\"lwrp-list-link\"><span class=\"lwrp-list-link-title-text\">Multilayer Switch Technology Principle: Layer 2, Layer 3, Layer 4 Switch<\/span><\/a><\/li><li class=\"lwrp-list-item\"><a href=\"https:\/\/www.fibermall.com\/blog\/ultra-ethernet-consortium-groups.htm\" class=\"lwrp-list-link\"><span class=\"lwrp-list-link-title-text\">Updates of the\u00a0UItra\u00a0Ethernet Consortium Working Groups<\/span><\/a><\/li><li class=\"lwrp-list-item\"><a href=\"https:\/\/www.fibermall.com\/blog\/10gb-ethernet-switch.htm\" class=\"lwrp-list-link\"><span class=\"lwrp-list-link-title-text\">Unlock Lightning-Fast Speeds: Your Ultimate Guide to 10GB Ethernet Switches<\/span><\/a><\/li>                <\/ul>\r\n                        <\/div>\r\n<\/div>","protected":false},"excerpt":{"rendered":"<p>100G Ethernet has been well underway with the rapid development of IoT, 5G, and cloud computing. As one of the primary networking solutions for 100G applications in data centers, QSFP28 fiber optic transceiver modules have seen an increasing demand among internet service providers, mobile operators, and data centers. This post focus on the five common types of 100G transceiver in QSFP28(Quad Small Form-Factor Pluggable 28) form factor.<\/p>\n","protected":false},"author":6,"featured_media":321,"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":[105,110,122,111,123,112,115],"class_list":["post-134","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fiber-optic-transceivers","tag-100g-psm4","tag-100g-qsfp28","tag-100gbase-lr4","tag-cwdm4","tag-fiber-transceiver","tag-qsfp28-sr4","tag-qsfp28-transceiver"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.13 (Yoast SEO v25.8) - 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