{"id":6130,"date":"2025-05-10T00:00:00","date_gmt":"2025-05-10T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/optical-transceiver-terminology-guide\/"},"modified":"2026-06-22T09:37:16","modified_gmt":"2026-06-22T09:37:16","slug":"optical-transceiver-terminology-guide","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/products\/optical-transceiver-terminology-guide","title":{"rendered":"Nh\u1eefng \u0111i\u1ec1u b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 thu\u1eadt ng\u1eef b\u1ed9 thu ph\u00e1t quang"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4d39d36e50da4f3da713d5b4b71e7358.jpg\" alt=\"What You Need to Know About Optical Transceiver Terminology\" class=\"wp-image-6128\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4d39d36e50da4f3da713d5b4b71e7358.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4d39d36e50da4f3da713d5b4b71e7358-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4d39d36e50da4f3da713d5b4b71e7358-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4d39d36e50da4f3da713d5b4b71e7358-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4d39d36e50da4f3da713d5b4b71e7358-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><span class=\"qc-p1-tag\" style=\"color: rgb(85, 75, 223);\"><strong>B\u1ed9 thu ph\u00e1t quang<\/strong><\/span><\/a><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\"> are the backbone of modern high-speed communication networks, enabling data transmission across data centers, telecom systems, and enterprise infrastructures. To navigate this complex field, understanding industry-specific terminology is critical. We will learn many <\/span><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\">essential terms related to optical modules in this blog.<\/span><span class=\"qc-p1-tag\"><br\/><\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>Key Optical Transceiver Types &amp; Form Factors<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"  style=\"margin: 0px;\">SFP (Small Form-Factor Pluggable)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">A compact, hot-swappable transceiver supporting speeds up to 4.25 Gbps, widely used in Ethernet and Fibre Channel.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"  style=\"margin: 0px;\">SFP+<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">An enhanced version of SFP, supporting 10 Gbps with improved EMI resistance and tighter cage designs.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"  style=\"margin: 0px;\">QSFP+ (Quad Small Form-factor Pluggable)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">A four-channel module for 40 Gbps applications, ideal for data center interconnects.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"  style=\"margin: 0px;\">QSFP28<br><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">Designed for 100 Gbps, QSFP28 modules use 25 Gbps per channel, offering higher density and lower power consumption.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"  style=\"margin: 0px;\">QSFP-DD (B\u1ed9 thu ph\u00e1t nh\u1ecf g\u1ecdn d\u1ea1ng c\u1eafm \u0111\u01b0\u1ee3c b\u1ed1n k\u00eanh, m\u1eadt \u0111\u1ed9 k\u00e9p)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">Doubles lane capacity to enable 400G\/800G in backward-compatible designs.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"  style=\"margin: 0px;\">OSFP (Octal Small Form-Factor Pluggable)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">Designed for 800G and beyond, this emerging form factor supports higher thermal efficiency.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"  style=\"margin: 0px;\">CFP (C Form-Factor Pluggable)<br><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">A larger module for 100G\/400G metro and long-haul networks.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>Technical Parameters and Performance Metrics<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"  style=\"margin: 0px;\">25Gbps<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">The transmission speed (e.g., 10G, 25G, 100G, 400G). Higher rates demand advanced <strong>(\u0110i\u1ec1u ch\u1ebf bi\u00ean \u0111\u1ed9 xung 4 m\u1ee9c)<\/strong> signaling.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"  style=\"margin: 0px;\">B\u01b0\u1edbc s\u00f3ng<br><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">Measured in nanometers (nm), common wavelengths include 850nm (multimode), 1310nm (single-mode), and 1550nm (long-haul DWDM).<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >Lo\u1ea1i giao di\u1ec7n<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Network-Side Physical Interface<strong>. <\/strong>Such as <strong>LC<\/strong>, <strong>MPO\/MTP, SC, RJ45.  <\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"  style=\"margin: 0px;\">Reach (Distance)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><span><strong>SR (T\u1ea7m ng\u1eafn)<\/strong>: <\/span><span style=\"color: rgb(64, 64, 64);\">Short distance transmission. Typically up to 100\u2013300 meters.<\/span><\/p><\/li><li><p style=\"margin: 0px;\"><span><strong>LR (T\u1ea7m xa)<\/strong>: <\/span><span style=\"color: rgb(64, 64, 64);\">Longer distance transmission. Up to 10km.<\/span><\/p><\/li><li><p style=\"margin: 0px;\"><span><strong>ER (T\u1ea7m m\u1edf r\u1ed9ng)<\/strong>: <\/span><span style=\"color: rgb(64, 64, 64);\">Extended distance transmission. Up to 40km.<\/span><\/p><\/li><li><p style=\"margin: 0px;\"><span><strong>ZR (Zetta Reach):<\/strong> <\/span><span style=\"color: rgb(64, 64, 64);\">Ultra long-haul transmission. Up to 80\u2013120km.<\/span><\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"  style=\"margin: 0px;\">C\u00f4ng su\u1ea5t quang<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>C\u00f4ng su\u1ea5t ph\u00e1t<\/strong>: The average light intensity emitted by the module .<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u0110\u1ed9 nh\u1ea1y b\u1ed9 thu<\/strong>: The minimum optical power required for error-free reception (typically -14 dBm to -28 dBm) .<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Overload Power<\/strong>: The maximum optical power the receiver can handle without damage.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"  style=\"margin: 0px;\">CDR (Kh\u00f4i ph\u1ee5c \u0111\u1ed3ng h\u1ed3 v\u00e0 d\u1eef li\u1ec7u)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">A circuit that extracts timing and data signals from high-speed transmissions, reducing jitter.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >DDM (Gi\u00e1m s\u00e1t ch\u1ea9n \u0111o\u00e1n k\u1ef9 thu\u1eadt s\u1ed1)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>A feature enabling real-time monitoring of temperature, voltage, and optical power in modules like <strong>b\u1ed9 thu ph\u00e1t quang h\u1ecdc c\u1ee7a LINK-PP<\/strong>.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"  style=\"margin: 0px;\">MSO (Multi-Source Agreement)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">Standards (e.g., MSA for QSFP28) ensuring compatibility across vendors.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"  style=\"margin: 0px;\">BER (T\u1ef7 l\u1ec7 l\u1ed7i bit)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">The ratio of erroneous bits to total transmitted bits; lower BER indicates higher signal integrity.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"  style=\"margin: 0px;\">T\u00e1n s\u1eafc s\u1eafc \u0111\u1ed9 (CD)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">Signal distortion caused by varying light speeds in fiber; mitigated via <strong>dispersion-shifted fiber<\/strong>.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"  style=\"margin: 0px;\">PMD (Ph\u00e2n t\u00e1n ch\u1ebf \u0111\u1ed9 ph\u00e2n c\u1ef1c)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">Another distortion type, critical in &gt;100Gbps systems.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>Optical Components in Optical Transceiver<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Laser VCSEL.<\/strong>: <strong>Laser ph\u00e1t x\u1ea1 b\u1ec1 m\u1eb7t bu\u1ed3ng d\u1ecdc<\/strong><\/p><\/li><li><p style=\"margin: 0px;\"><strong>FP<\/strong>: <strong>Fabry-P\u00e9rot Laser<\/strong><\/p><\/li><li><p style=\"margin: 0px;\"><strong>DFB: Distributed Feedback Laser<\/strong><\/p><\/li><li><p style=\"margin: 0px;\"><strong>EML: Electro-Absorption Modulated Laser<\/strong><\/p><\/li><li><p style=\"margin: 0px;\"><strong>PIN: PIN Photodiodes<\/strong><\/p><\/li><li><p style=\"margin: 0px;\"><strong>APD: Avalanche Photodiodes<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>Wavelength Division Multiplexing (WDM) Technologies<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">WDM enables multiple wavelengths to coexist on a single fiber, maximizing bandwidth:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>CWDM (\u0110a ph\u00e2n b\u01b0\u1edbc s\u00f3ng th\u00f4)<br><\/strong>: Uses wider channel spacing (20nm) for cost-effective metro networks.<\/p><\/li><li><p><strong>DWDM (\u0110a ph\u00e2n b\u01b0\u1edbc s\u00f3ng d\u00e0y \u0111\u1eb7c)<\/strong>: Combines multiple wavelengths (C-band or L-band) on a single fiber for high-capacity transport.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>Protocols &amp; Standards<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >IEEE 802.3 Standards<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Standards governing <strong>Ethernet 400G<\/strong> (802.3bs), <strong>FlexE<\/strong>, and <strong>CAUI-4<\/strong> interfaces. <strong>LINK-PP&#8217;s 400G SR8 optical transceiver<\/strong> adheres to IEEE 802.3bs for cloud infrastructure.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" ><p>capability.<\/p><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Industry agreements ensuring interoperability, such as <strong>Nh\u00f3m li\u00ean minh \u0111\u1eb7c t\u1ea3 QSFP-DD (QSFP-DD MSA)<\/strong> and <strong>OSFP MSA<\/strong>. <strong>b\u1ed9 thu ph\u00e1t quang LINK-PP<\/strong> are MSA-compliant, guaranteeing plug-and-play compatibility with major switch vendors (Cisco, Juniper, etc.).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>Emerging Trends &amp; Innovations<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>LPO (Linear Pluggable Optics):<\/strong> Eliminates DSP chips to reduce power consumption, gaining traction for AI\/ML workloads.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>CPO (Co-Packaged Optics):<\/strong> Integrates optics with ASICs, slashing power use in hyperscale data centers.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Silicon Photonics:<\/strong> Combines silicon chips with optical components for cost-effective, high-volume production.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>K\u1ebft lu\u1eadn<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mastering optical transceiver terminology empowers professionals to design resilient, high-speed networks. Whether evaluating DWDM compatibility or selecting PAM4-enabled modules, precision in terminology ensures optimal deployments. Choosing <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><span style=\"color: rgb(85, 75, 223);\"><strong>transceiver quang h\u1ecdc LINK-PP<\/strong><\/span><\/a> can meet your demands of 5G, cloud computing, and AI-driven infrastructures.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>FAQ<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >What is the difference between single-mode and multi-mode fiber?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Single-mode fiber supports long-distance communication with minimal signal loss. Multi-mode fiber works best for short distances and is more cost-effective. Single-mode is ideal for applications like metropolitan networks, while multi-mode suits data centers and local area networks.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >What does \u201chot-swappable\u201d mean for optical transceivers?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Hot-swappable transceivers allow you to replace or upgrade them without shutting down the network. This feature ensures minimal downtime and uninterrupted operations, making it convenient for maintaining or scaling your infrastructure.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >What factors should you consider when choosing an optical transceiver?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Focus on distance requirements, data rate, and compatibility with your existing hardware. Also, consider the type of fiber (single-mode or multi-mode) and the transceiver\u2019s power consumption to optimize performance and cost-efficiency.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >What are the common applications of optical transceivers?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Optical transceivers are used in data centers, telecommunications, enterprise networks, and metropolitan area networks. They enable high-speed data transmission for cloud computing, IoT devices, and 5G infrastructure.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >Xem Th\u00eam<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/ddm-dom-in-optical-transceivers\/\">T\u1ea7m quan tr\u1ecdng c\u1ee7a gi\u00e1m s\u00e1t k\u1ef9 thu\u1eadt s\u1ed1 trong c\u00e1c b\u1ed9 thu ph\u00e1t quang<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/tosa-in-optical-modules-importance\/\">Kh\u00e1m ph\u00e1 TOSA trong c\u00e1c m\u00f4-\u0111un quang v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a n\u00f3<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/wdm-optical-transceiver-module-applications\/\">Hi\u1ec3u v\u1ec1 C\u00f4ng ngh\u1ec7 WDM v\u00e0 Vai tr\u00f2 c\u1ee7a n\u00f3 trong M\u1ea1ng<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/difference-between-sfp-and-sfp-plus-transceivers\/\">Tham gia C\u1ed9ng \u0111\u1ed3ng LINK-PP c\u1ee7a ch\u00fang t\u00f4i ngay h\u00f4m nay<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Understand optical transceiver terminology like SR, LR, ER, and ZR to choose the right module for your network&#8217;s speed, distance, and compatibility needs.<\/p>","protected":false},"author":1,"featured_media":6129,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[28],"tags":[26],"class_list":["post-6130","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-products","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/6130","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/comments?post=6130"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/6130\/revisions"}],"predecessor-version":[{"id":11509,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/6130\/revisions\/11509"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/6129"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=6130"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=6130"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=6130"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}