{"id":3347,"date":"2025-12-08T00:00:00","date_gmt":"2025-12-08T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/xlaui-vs-xlppi-40g-electrical-interface-comparison\/"},"modified":"2026-06-22T04:14:52","modified_gmt":"2026-06-22T04:14:52","slug":"xlaui-vs-xlppi-40g-electrical-interface-comparison","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/pt\/knowledge-center\/xlaui-vs-xlppi-40g-electrical-interface-comparison","title":{"rendered":"XLPPI vs. XLAUI Explicados: Interfaces El\u00e9tricas para M\u00f3dulos QSFP"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2e2d466bb30d4bea9b595f0115996a62.webp\" alt=\"XLPPI vs. XLAUI\" class=\"wp-image-3340\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2e2d466bb30d4bea9b595f0115996a62.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2e2d466bb30d4bea9b595f0115996a62-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2e2d466bb30d4bea9b595f0115996a62-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2e2d466bb30d4bea9b595f0115996a62-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2e2d466bb30d4bea9b595f0115996a62-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Em sistemas Ethernet de alta velocidade, as interfaces el\u00e9tricas determinam como os dados fluem entre um dispositivo host e um transceptor \u00f3ptico. Duas interfaces amplamente referenciadas nas arquiteturas de rede 40G e 100G s\u00e3o<br> <strong>XLPPI<\/strong> and <strong>XLAUI<\/strong>. Embora possam parecer semelhantes \u00e0 primeira vista \u2014 ambas definindo sinaliza\u00e7\u00e3o el\u00e9trica multi-canal \u2014, elas desempenham<br> <strong>finalidades diferentes<br><\/strong>, originam-se de<br> <strong>diferentes organismos de padroniza\u00e7\u00e3o<br><\/strong>, e suportam<br> <strong>diferentes gera\u00e7\u00f5es de desempenho.<br><\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Este artigo fornece uma compara\u00e7\u00e3o estruturada e autorit\u00e1ria de<br> <strong>XLPPI vs. XLAUI<br><\/strong>, esclarecendo como cada interface se insere nos ecossistemas modernos de m\u00f3dulos \u00f3pticos, especialmente em<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26153-40g-qsfp.htm\">QSFP+<\/a>, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/491591.htm\">QSFP28<\/a>, and <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/473139.htm\">QSFP56<\/a> m\u00f3dulos amplamente implantados em centros de dados.<br>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >A base: IEEE 802.3ba e a arquitetura 40G<br><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"721\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3426d25714404c1993f09e9f21abe054.webp\" alt=\"IEEE 802.3ba standard\" class=\"wp-image-3341\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3426d25714404c1993f09e9f21abe054.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3426d25714404c1993f09e9f21abe054-300x180.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3426d25714404c1993f09e9f21abe054-1024x615.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3426d25714404c1993f09e9f21abe054-768x461.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3426d25714404c1993f09e9f21abe054-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Antes de analisar as diferen\u00e7as, devemos compreender o terreno comum. Tanto o XLAUI quanto o XLPPI s\u00e3o definidos sob o<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/pt\/knowledge-center\/what-is-ieee-802-3ba-standard\/\"><strong>IEEE 802.3ba<\/strong> padr\u00e3o<\/a> para Ethernet de 40 Gigabit.<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O \u201cXL\u201d em ambos os acr\u00f4nimos representa o algarismo romano para 40. Ambas as interfaces utilizam uma<br> <strong>arquitetura paralela de 4 canais<br><\/strong>, onde cada canal opera a<br> <strong>10,3125 Gbps<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Largura de banda total:<br><\/strong> 41,25 Gbps (incluindo a sobrecarga da codifica\u00e7\u00e3o 64b\/66b).<br>.<\/p><\/li><li><p><strong>Taxa efetiva de dados:<br><\/strong> 40 Gbps.<br>.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Contudo, \u00e9 na sua posi\u00e7\u00e3o dentro da hierarquia da Camada F\u00edsica (PHY) do modelo OSI que elas divergem.<br>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >O que \u00e9 o XLAUI? (Interface de Unidade de Anexa\u00e7\u00e3o 40G)<br><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cd32dba2684e4869a0a76d8a1ab143eb.webp\" alt=\"What Is XLAUI? (40G Attachment Unit Interface)\" class=\"wp-image-3342\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cd32dba2684e4869a0a76d8a1ab143eb.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cd32dba2684e4869a0a76d8a1ab143eb-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cd32dba2684e4869a0a76d8a1ab143eb-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cd32dba2684e4869a0a76d8a1ab143eb-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cd32dba2684e4869a0a76d8a1ab143eb-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/pt\/glossary\/xlaui-10-lane-attachment-unit-interface-ethernet-explained\/\"><strong>XLAUI (Interface de Unidade de Anexa\u00e7\u00e3o 40G)<br><\/strong><\/a> \u00e9 uma interface el\u00e9trica definida pelo IEEE introduzida em<br> <strong>IEEE 802.3ba<\/strong> para <strong>Ethernet de 40 Gigabit (40GbE)<\/strong>. Opera utilizando:<br><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>4 vias el\u00e9tricas<\/strong><\/p><\/li><li><p><strong>10,3125 Gbps por canal<br><\/strong><\/p><\/li><li><p><strong>codifica\u00e7\u00e3o de linha 64B\/66B<br><\/strong><\/p><\/li><li><p><strong>sinaliza\u00e7\u00e3o NRZ<br><\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >\u25b7 Finalidade do XLAUI no Ethernet 40G<br><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O XLAUI atua como um link el\u00e9trico interno entre:<br><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>MAC \u21c6 PHY<br><\/strong><\/p><\/li><li><p><strong>MAC \u21c6 PMA\/PMD<br><\/strong><\/p><\/li><li><p><strong>PHY \u21c6 motor \u00f3ptico interno (em plataformas com \u00f3ptica fixa)<br><\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00e3o \u00e9 utilizado diretamente na interface do m\u00f3dulo plug\u00e1vel. Em vez disso, o XLAUI faz parte do caminho de sinal interno de switches, roteadores e placas de rede.<br>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u25b7 Onde o XLAUI \u00e9 utilizado<br><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O XLAUI est\u00e1 associado principalmente a:<br><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/482754.htm\"><strong>40GBASE-SR4<\/strong><\/a><strong> (fibra MPO-12)<br><\/strong><\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/482754.htm\"><strong>40GBASE-LR4<\/strong><\/a><strong> (WDM \u03bb 4\u00d710G)<br><\/strong><\/p><\/li><li><p><strong>40GBASE-CR4 (cabos DAC)<br><\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Embora esses m\u00f3dulos utilizem quatro canais de 10G, a interface XLAUI \u00e9 normalmente implementada<br> <strong>no interior do host<br><\/strong>, n\u00e3o no conector QSFP+.<br>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >O que \u00e9 o XLPPI? (Interface Paralela Estendida de Baixa Pot\u00eancia\/Baixa Tens\u00e3o)<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9cd1ef29cc8048e184bfce71116e12dd.webp\" alt=\"What Is XLPPI? \" class=\"wp-image-3343\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9cd1ef29cc8048e184bfce71116e12dd.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9cd1ef29cc8048e184bfce71116e12dd-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9cd1ef29cc8048e184bfce71116e12dd-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9cd1ef29cc8048e184bfce71116e12dd-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9cd1ef29cc8048e184bfce71116e12dd-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/pt\/knowledge-center\/xlppi-electrical-interface-in-40g-qsfp-plus-modules-explained\/\"><strong>XLPPI <\/strong><\/a><strong>(Interface Paralela Estendida de Baixa Pot\u00eancia\/Baixa Tens\u00e3o)<\/strong> \u00e9 uma interface el\u00e9trica definida pela MSA usada entre:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>PHY\/ASIC do host \u21c6 m\u00f3dulos \u00f3pticos pluggable da fam\u00edlia QSFP<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ao contr\u00e1rio do XLAUI (limitado a 40 G), o XLPPI abrange <strong>m\u00faltiplas gera\u00e7\u00f5es de Ethernet<\/strong> e m\u00faltiplos fatores de forma QSFP.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Velocidades e Modula\u00e7\u00e3o Suportadas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O XLPPI suporta:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"width: 111px;\"\/><col style=\"width: 152px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Gera\u00e7\u00e3o de Ethernet<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Tipo de M\u00f3dulo<\/p><\/th><th colspan=\"1\" rowspan=\"1\" colwidth=\"111\"><p>Canais<\/p><\/th><th colspan=\"1\" rowspan=\"1\" colwidth=\"152\"><p>Taxa por Canal<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\ud83d\udd39 T\u00e9cnicas de Modula\u00e7\u00e3o<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>40G<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/482754.htm\">QSFP+<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"111\"><p>4<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"152\"><p>10G<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>NRZ<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>100G<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/491587.htm\">QSFP28<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"111\"><p>4<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"152\"><p>25G<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>NRZ<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>200G<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/473139.htm\">QSFP56<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"111\"><p>4<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"152\"><p>50G<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>PAM4<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>400G<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472016.htm\">QSFP-DD<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"111\"><p>8<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"152\"><p>50G PAM4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>PAM4<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>800G<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>QSFP-DD800<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"111\"><p>8<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"152\"><p>LAN corporativa, FTTx<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>PAM4<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >Finalidade do XLPPI<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O XLPPI garante:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Sinaliza\u00e7\u00e3o paralela de baixa tens\u00e3o e baixa pot\u00eancia<\/p><\/li><li><p>Conectividade el\u00e9trica de alta velocidade confi\u00e1vel entre o host e o m\u00f3dulo<\/p><\/li><li><p>Compatibilidade em todas as gera\u00e7\u00f5es QSFP<\/p><\/li><li><p>Opera\u00e7\u00e3o est\u00e1vel em trilhas curtas de PCB com requisitos rigorosos de integridade de sinal (SI)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Isso torna o XLPPI a principal interface el\u00e9trica por tr\u00e1s das modernas \u00f3pticas pluggable.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >XLPPI vs. XLAUI \u2014 Principais Diferen\u00e7as<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9302b83d121c4c5c9a0967b7511658c7.webp\" alt=\"XLPPI vs. XLAUI\" class=\"wp-image-3344\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9302b83d121c4c5c9a0967b7511658c7.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9302b83d121c4c5c9a0967b7511658c7-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9302b83d121c4c5c9a0967b7511658c7-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9302b83d121c4c5c9a0967b7511658c7-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9302b83d121c4c5c9a0967b7511658c7-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">As duas interfaces operam em diferentes partes da arquitetura Ethernet e atendem a objetivos de projeto distintos.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Diferentes \u00d3rg\u00e3os de Padroniza\u00e7\u00e3o<\/h3>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 168px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"168\"><p>Interface<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Definido Por<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Escopo Principal<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"168\"><p><strong>XLAUI<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/pt\/knowledge-center\/what-is-ieee-802-3ba-standard\/\">IEEE 802.3ba<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Interface interna MAC \u21c6 PHY<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"168\"><p><strong>XLPPI<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>QSFP\/QSFP-DD MSA<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Host \u21c6 m\u00f3dulo \u00f3ptico pluggable<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">O XLPPI est\u00e1 intimamente ligado \u00e0 fam\u00edlia QSFP, enquanto o XLAUI est\u00e1 ligado \u00e0s camadas l\u00f3gicas internas da Ethernet.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Diferentes Camadas de Aplica\u00e7\u00e3o<\/h3>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Layer<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/pt\/glossary\/xlaui-10-lane-attachment-unit-interface-ethernet-explained\/\">XLAUI<\/a><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/pt\/knowledge-center\/maximizing-network-performance-with-xlppi-electrical-interface\/\">XLPPI<\/a><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Localiza\u00e7\u00e3o da Interface<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Dentro do switch\/roteador<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>No conector do m\u00f3dulo<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Usu\u00e1rios<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>MAC, PHY, PMA\/PMD<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>ASIC\/PHY \u21c6 m\u00f3dulo QSFP<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Exposi\u00e7\u00e3o para engenheiros de hardware<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Projeto interno de sil\u00edcio<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Projeto de PCB para transceptores pluggable<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Uso em \u00f3pticas pluggable<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Indireto<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Direto<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >Diferentes Velocidades Suportadas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O XLAUI \u00e9 fixo em:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>4 \u00d7 10,3125 Gbps (40 G)<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">O XLPPI escala de <strong>40 G \u2192 800 G<\/strong>, dependendo do fator de forma do m\u00f3dulo e da gera\u00e7\u00e3o do SerDes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Tecnologias de Sinaliza\u00e7\u00e3o<\/h3>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 211px;\"\/><col style=\"width: 221px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"211\"><p>Recurso<\/p><\/th><th colspan=\"1\" rowspan=\"1\" colwidth=\"221\"><p>XLAUI<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>XLPPI<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"211\"><p>Sinaliza\u00e7\u00e3o<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"221\"><p>NRZ<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/pt\/knowledge-center\/what-is-the-difference-between-nrz-and-pam4\/\">NRZ + PAM4<\/a><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"211\"><p>Voltagem<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"221\"><p>Padr\u00e3o<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Otimizada para baixa tens\u00e3o\/pot\u00eancia<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"211\"><p>Otimiza\u00e7\u00e3o de SI<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"221\"><p>Legado<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Avan\u00e7ada, espec\u00edfica para QSFP<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"211\"><p>Prepara\u00e7\u00e3o para o futuro<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"221\"><p>N\u00e3o (apenas 40 G)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Sim (40 G\u2013800 G)<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >Por que os M\u00f3dulos QSFP Modernos Usam XLPPI em vez de XLAUI<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/399a4d95a67d409e804dd80bb6e79bbd.webp\" alt=\"QSFP Modules\" class=\"wp-image-3345\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/399a4d95a67d409e804dd80bb6e79bbd.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/399a4d95a67d409e804dd80bb6e79bbd-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/399a4d95a67d409e804dd80bb6e79bbd-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/399a4d95a67d409e804dd80bb6e79bbd-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/399a4d95a67d409e804dd80bb6e79bbd-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Porque o XLPPI:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Suporta <strong>hot-swappable<\/strong><\/p><\/li><li><p>Otimiza <strong>consumo de energia<br><\/strong><\/p><\/li><li><p>Mant\u00e9m <strong>integridade do sinal<\/strong> em velocidades mais altas<\/p><\/li><li><p>Escala para <strong>Transmiss\u00e3o PAM4<\/strong> exigida por 200 G\/400 G\/800 G<\/p><\/li><li><p>Atende \u00e0s restri\u00e7\u00f5es mec\u00e2nicas e el\u00e9tricas dos conectores QSFP<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Todas as \u00f3pticas pluggable modernas\u2014<a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\">SFP+<\/a>\/<a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26225-25g-sfp28.htm\">SFP28<\/a>, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472016.htm\">QSFP+<\/a>\/<a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/491587.htm\">QSFP28<\/a>,<a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/473139.htm\"> QSFP56<\/a>, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472016.htm\">QSFP-DD<\/a>\u2014usam <strong>Interfaces de baixa tens\u00e3o definidas pela MSA<\/strong>, incluindo o XLPPI.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Relev\u00e2ncia do Caso de Uso para Clientes LINK-PP<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Para clientes que selecionam m\u00f3dulos \u00f3pticos de alta velocidade de <a target=\"_blank\" rel=\"\" href=\"https:\/\/l-p.com\"><strong>LINK-PP<\/strong><\/a>, compreender o XLPPI e o XLAUI ajuda a esclarecer:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Por que <strong>Os m\u00f3dulos QSFP+ e QSFP28 dependem do XLPPI<\/strong><\/p><\/li><li><p>Como as interfaces el\u00e9tricas afetam <strong>a interoperabilidade dos m\u00f3dulos<\/strong><\/p><\/li><li><p>Quais tipos de m\u00f3dulos suportam <strong>taxas por lane de 10G, 25G, 50G ou 100G<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >XLPPI vs. XLAUI \u2014 Tabela Resumo<\/h2>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Categoria<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/pt\/knowledge-center\/xlppi-electrical-interface-in-40g-qsfp-plus-modules-explained\/\"><strong>XLPPI<\/strong><\/a><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/pt\/glossary\/xlaui-10-lane-attachment-unit-interface-ethernet-explained\/\"><strong>XLAUI<\/strong><\/a><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Padr\u00f5es<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>MSA<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>IEEE<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Gera\u00e7\u00f5es Ethernet<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>40G\u2013800G<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Apenas 40G<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Velocidades por lane<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10G \/ 25G \/ 50G \/ 100G<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10G<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\ud83d\udd39 T\u00e9cnicas de Modula\u00e7\u00e3o<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>NRZ e PAM4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>NRZ<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Localiza\u00e7\u00e3o da Interface<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Host \u21c6 M\u00f3dulo plug\u00e1vel<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>MAC \u21c6 PHY (interno)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Utilizado em<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/482754.htm\">QSFP+<\/a>, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/491587.htm\">QSFP28<\/a>, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/473139.htm\">QSFP56<\/a>, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472016.htm\">QSFP-DD<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Sil\u00edcio interno<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Escalabilidade Futura<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>High<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Nenhum<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >Considera\u00e7\u00f5es finais<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tanto o XLPPI quanto o XLAUI s\u00e3o componentes cr\u00edticos da arquitetura el\u00e9trica Ethernet, mas atendem a requisitos fundamentalmente diferentes. <strong>XLPPI<\/strong> \u00e9 a interface por tr\u00e1s dos transceptores \u00f3pticos QSFP modernos, permitindo redes escal\u00e1veis, eficientes energeticamente e de alta densidade, de 40G a 800G. <strong>XLAUI<\/strong>, por sua vez, permanece uma interface IEEE importante na l\u00f3gica interna do Ethernet 40G, mas n\u00e3o \u00e9 utilizada no conector do m\u00f3dulo plug\u00e1vel.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Compreender essas diferen\u00e7as ajuda engenheiros de rede a escolher o hardware adequado \u2014 e ajuda organiza\u00e7\u00f5es a garantir estabilidade e compatibilidade futura em toda a sua infraestrutura \u00f3ptica.<\/p>","protected":false},"excerpt":{"rendered":"<p>Entenda as principais diferen\u00e7as entre as interfaces el\u00e9tricas XLPPI e XLAUI, como funcionam nos sistemas Ethernet 40G\/100G e qual interface os m\u00f3dulos QSFP modernos utilizam.<\/p>","protected":false},"author":1,"featured_media":3346,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[18,26],"class_list":["post-3347","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-40g-qsfp-transceivers","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/pt\/wp-json\/wp\/v2\/posts\/3347","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/pt\/wp-json\/wp\/v2\/comments?post=3347"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/pt\/wp-json\/wp\/v2\/posts\/3347\/revisions"}],"predecessor-version":[{"id":10781,"href":"https:\/\/resourceslp.szlogic.cn\/pt\/wp-json\/wp\/v2\/posts\/3347\/revisions\/10781"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/pt\/wp-json\/wp\/v2\/media\/3346"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/pt\/wp-json\/wp\/v2\/media?parent=3347"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/pt\/wp-json\/wp\/v2\/categories?post=3347"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/pt\/wp-json\/wp\/v2\/tags?post=3347"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}