{"id":5430,"date":"2025-08-16T00:00:00","date_gmt":"2025-08-16T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/ieee-802-3-ethernet-standard-explained\/"},"modified":"2026-06-22T09:08:51","modified_gmt":"2026-06-22T09:08:51","slug":"ieee-802-3-ethernet-standard-explained","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/ieee-802-3-ethernet-standard-explained","title":{"rendered":"Gi\u1ea3i Th\u00edch Ti\u00eau Chu\u1ea9n Ethernet IEEE 802.3 \u2013 Vai Tr\u00f2, \u1ee8ng D\u1ee5ng v\u00e0 S\u1ef1 Tu\u00e2n Th\u1ee7 S\u1ea3n Ph\u1ea9m LINK-PP"},"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\/6d9d849b02c74d56827b46e71f2b405a.webp\" alt=\"IEEE 802.3 compliance,IEEE 802.3af, 802.3at, 802.3bt\" class=\"wp-image-5428\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6d9d849b02c74d56827b46e71f2b405a.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6d9d849b02c74d56827b46e71f2b405a-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6d9d849b02c74d56827b46e71f2b405a-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6d9d849b02c74d56827b46e71f2b405a-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6d9d849b02c74d56827b46e71f2b405a-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83c\udf10 Gi\u1edbi thi\u1ec7u<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>Vi\u1ec7n K\u1ef9 s\u01b0 \u0110i\u1ec7n v\u00e0 \u0110i\u1ec7n t\u1eed (IEEE)<\/strong> l\u00e0 nh\u00e0 l\u00e3nh \u0111\u1ea1o to\u00e0n c\u1ea7u trong vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt \u0111\u1ecbnh h\u00ecnh c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i. Trong s\u1ed1 nhi\u1ec1u \u0111\u00f3ng g\u00f3p c\u1ee7a m\u00ecnh, <strong>IEEE 802.3<\/strong> n\u1ed5i b\u1eadt nh\u01b0 ti\u00eau chu\u1ea9n ch\u00ednh th\u1ee9c cho Ethernet \u2014 x\u01b0\u01a1ng s\u1ed1ng c\u1ee7a m\u1ea1ng c\u00f3 d\u00e2y. Ti\u00eau chu\u1ea9n n\u00e0y x\u00e1c \u0111\u1ecbnh c\u00e1c l\u1edbp v\u1eadt l\u00fd v\u00e0 li\u00ean k\u1ebft d\u1eef li\u1ec7u c\u1ee7a m\u00f4 h\u00ecnh OSI, \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c, \u0111\u1ed9 tin c\u1eady v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng cho thi\u1ebft b\u1ecb tr\u00ean to\u00e0n th\u1ebf gi\u1edbi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83c\udf10 IEEE 802.3 l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u n\u0103m 1983, IEEE 802.3 quy \u0111\u1ecbnh c\u00e1c quy t\u1eafc truy\u1ec1n th\u00f4ng Ethernet, bao g\u1ed3m c\u00e1c kh\u00eda c\u1ea1nh nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\u0110\u1eb7c t\u1ea3 l\u1edbp v\u1eadt l\u00fd<\/strong> \u2013 c\u00e1c lo\u1ea1i c\u00e1p, m\u00e3 h\u00f3a t\u00edn hi\u1ec7u v\u00e0 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eabn<\/p><\/li>\n\n\n\n<li><p><strong>Giao th\u1ee9c l\u1edbp li\u00ean k\u1ebft d\u1eef li\u1ec7u<\/strong> \u2013 \u0111\u00f3ng khung (framing), \u0111\u1ecbnh \u0111\u1ecba ch\u1ec9 v\u00e0 ph\u00e1t hi\u1ec7n l\u1ed7i<\/p><\/li>\n\n\n\n<li><p><strong>\u0110i\u1ec1u khi\u1ec3n truy c\u1eadp ph\u01b0\u01a1ng ti\u1ec7n (<\/strong><a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-are-ethernet-mac-and-phy\/\" target=\"_blank\" rel=\"\"><strong>MAC<br><\/strong><\/a><strong>)<\/strong> \u2013 s\u1eed d\u1ee5ng C\u01a1 ch\u1ebf c\u1ea3m nh\u1eadn mang \u0111a truy c\u1eadp v\u1edbi ph\u00e1t hi\u1ec7n va ch\u1ea1m (CSMA\/CD)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Theo th\u1eddi gian, IEEE 802.3 \u0111\u00e3 ph\u00e1t tri\u1ec3n \u0111\u1ec3 h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u cao h\u01a1n (<strong>t\u1eeb 10 Mbps l\u00ean \u0111\u1ebfn 400 Gbps<\/strong>, v\u1edbi c\u00f4ng vi\u1ec7c \u0111ang ti\u1ebfn h\u00e0nh nh\u1eb1m \u0111\u1ea1t 800 Gbps), h\u1ed7 tr\u1ee3 c\u00e1p quang v\u00e0 <strong>c\u00f4ng ngh\u1ec7 Cung c\u1ea5p \u0111i\u1ec7n qua Ethernet (PoE)<\/strong> c\u00e1c kh\u1ea3 n\u0103ng kh\u00e1c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83c\udf10 V\u00ec sao IEEE 802.3 quan tr\u1ecdng?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>T\u01b0\u01a1ng th\u00edch ph\u1ed5 qu\u00e1t<\/strong> \u2013 \u0110\u1ea3m b\u1ea3o ph\u1ea7n c\u1ee9ng m\u1ea1ng t\u1eeb c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t kh\u00e1c nhau c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng c\u00f9ng nhau.<\/p><\/li>\n\n\n\n<li><p><strong>T\u1ed1c \u0111\u1ed9 c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng<\/strong> \u2013 Bao ph\u1ee7 m\u1ed9t d\u1ea3i t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u r\u1ed9ng, t\u1eeb <strong>10 Mbps (10BASE-T)<\/strong> and <strong>100 Mbps (Ethernet Nhanh)<\/strong> to <strong>1 Gbps, 10 Gbps<\/strong>, v\u00e0 l\u00ean \u0111\u1ebfn <strong>400 Gbps<\/strong>.<\/p><\/li>\n\n\n\n<li><p><strong>\u0110\u1ed5i m\u1edbi c\u00f4ng ngh\u1ec7<\/strong> \u2013 Bao g\u1ed3m c\u00e1c ti\u1ebfn b\u1ed9 v\u1ec1 c\u00e1p, <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-you-need-to-know-about-power-over-ethernet\/\" target=\"_blank\" rel=\"\">PoE<\/a> truy\u1ec1n t\u1ea3i v\u00e0 hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng (IEEE 802.3az).<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83c\udf10 C\u1ea5u tr\u00fac k\u1ef9 thu\u1eadt c\u1ee7a IEEE 802.3<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">MAC &amp; \u0110\u1ecbnh d\u1ea1ng khung<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c khung Ethernet ti\u00eau chu\u1ea9n c\u00f3 \u0111\u1ed9 d\u00e0i <strong>t\u1ed1i thi\u1ec3u l\u00e0 64 byte<\/strong> v\u00e0 m\u1ed9t <strong>t\u1ed1i \u0111a l\u00e0 1518 byte n\u1ebfu kh\u00f4ng c\u00f3 th\u1ebb VLAN<\/strong>.<\/p><\/li>\n\n\n\n<li><p>V\u1edbi vi\u1ec7c g\u1eafn th\u1ebb VLAN theo IEEE 802.1Q, k\u00edch th\u01b0\u1edbc khung t\u1ed1i \u0111a t\u0103ng l\u00ean <strong>1522 byte<\/strong>.<\/p><\/li>\n\n\n\n<li><p><em>Khung si\u00eau l\u1edbn (Jumbo Frames)<\/em> (&gt;9000 byte) mang t\u00ednh \u0111\u1eb7c th\u00f9 theo nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 kh\u00f4ng thu\u1ed9c ti\u00eau chu\u1ea9n c\u1ed1t l\u00f5i IEEE 802.3.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110i\u1ec1u khi\u1ec3n truy c\u1eadp ph\u01b0\u01a1ng ti\u1ec7n<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Ethernet \u0111\u1eddi \u0111\u1ea7u s\u1eed d\u1ee5ng CSMA\/CD cho m\u00f4i tr\u01b0\u1eddng chia s\u1ebb ph\u01b0\u01a1ng ti\u1ec7n.<\/p><\/li>\n\n\n\n<li><p>Ethernet hi\u1ec7n \u0111\u1ea1i ch\u1ee7 y\u1ebfu ho\u1ea1t \u0111\u1ed9ng song c\u00f4ng \u0111\u1ea7y \u0111\u1ee7 (full-duplex), d\u1ef1a tr\u00ean b\u1ed9 chuy\u1ec3n m\u1ea1ch (switch-based) v\u00e0 kh\u00f4ng x\u1ea3y ra va ch\u1ea1m.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c bi\u1ebfn th\u1ec3 l\u1edbp v\u1eadt l\u00fd<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>D\u00e2y \u0111\u1ed3ng xo\u1eafn<\/strong>: 10BASE-T, 100BASE-TX, 1000BASE-T, l\u00ean \u0111\u1ebfn 10GBASE-T<\/p><\/li>\n\n\n\n<li><p><strong>S\u1ee3i quang<\/strong>: s\u1ee3i quang \u0111a mode v\u00e0 \u0111\u01a1n mode (v\u00ed d\u1ee5: 10GBASE-SR\/LR, 100GBASE-LR4)<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Ti\u00eau chu\u1ea9n PoE<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>3af (PoE)<\/strong> \u2013 \u0110\u1ea7u ra PSE l\u00ean \u0111\u1ebfn <strong>15,4 W<\/strong> (thi\u1ebft b\u1ecb nh\u1eadn PD nh\u1eadn ~12,95 W)<\/p><\/li>\n\n\n\n<li><p><strong>3at (PoE+)<\/strong> \u2013 \u0110\u1ea7u ra PSE l\u00ean \u0111\u1ebfn <strong>30 W<\/strong> (thi\u1ebft b\u1ecb nh\u1eadn PD nh\u1eadn ~25,5 W)<\/p><\/li>\n\n\n\n<li><p><strong>3bt (PoE++)<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><p><em>Lo\u1ea1i 3<\/em>: \u0110\u1ea7u ra PSE l\u00ean \u0111\u1ebfn <strong>60 W<\/strong> (thi\u1ebft b\u1ecb nh\u1eadn PD nh\u1eadn ~51 W)<\/p><\/li>\n\n\n\n<li><p><em>Lo\u1ea1i 4<\/em>: \u0110\u1ea7u ra PSE l\u00ean \u0111\u1ebfn <strong>90 W<\/strong> (thi\u1ebft b\u1ecb nh\u1eadn PD nh\u1eadn ~71 W)<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Ethernet ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng (EEE)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>IEEE <strong>3az<\/strong> (n\u0103m 2010) gi\u1ea3m m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng khi l\u01b0u l\u01b0\u1ee3ng d\u1eef li\u1ec7u th\u1ea5p m\u00e0 kh\u00f4ng thay \u0111\u1ed5i giao di\u1ec7n Ethernet.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83c\udf10 S\u1ef1 ti\u1ebfn h\u00f3a c\u1ee7a IEEE 802.3 \u2013 T\u1ed5ng quan<\/h2>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 179px;\"\/><col style=\"width: 157px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"179\"><p>Ti\u00eau chu\u1ea9n<\/p><\/th><th colspan=\"1\" rowspan=\"1\" colwidth=\"157\"><p>N\u0103m<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>T\u00ednh n\u0103ng n\u1ed5i b\u1eadt<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"179\"><p>10BASE-T<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"157\"><p>Th\u1eadp ni\u00ean 1990<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ethernet \u0111\u1ed3ng \u1edf t\u1ed1c \u0111\u1ed9 10 Mbps<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"179\"><p>Fast Ethernet<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"157\"><p>1995<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>100 Mbps<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"179\"><p>1000BASE-T<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"157\"><p>1999<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Gigabit \u0111\u1ed3ng<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"179\"><p>10GBASE-T<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"157\"><p>2006<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ethernet \u0111\u1ed3ng 10 Gbps<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"179\"><p>2,5\/5GBASE-T<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"157\"><p>2016<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1c \u0111\u1ed9 trung gian tr\u00ean c\u00e1p Cat5e\/Cat6<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"179\"><p>40\/100GBASE<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"157\"><p>2010+<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ethernet t\u1ed1c \u0111\u1ed9 cao tr\u00ean c\u00e1p quang d\u00e0nh cho trung t\u00e2m d\u1eef li\u1ec7u<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"179\"><p>200\/400GBASE<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"157\"><p>2018<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ethernet t\u1ed1c \u0111\u1ed9 c\u1ef1c cao<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"179\"><p>PoE\/PoE+\/PoE++<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"157\"><p>2003\u20132018<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Truy\u1ec1n t\u1ea3i \u0111i\u1ec7n n\u0103ng qua Ethernet<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"179\"><p>EEE (802.3az)<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"157\"><p>2010<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng khi \u1edf tr\u1ea1ng th\u00e1i ch\u1edd (idle)<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83c\udf10 LINK-PP &amp; IEEE 802.3: T\u01b0\u01a1ng th\u00edch \u0111\u1ea7y \u0111\u1ee7<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ea1i <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/\">LINK-PP<\/a>, t\u1ea5t c\u1ea3 c\u00e1c \u0111\u1ea7u n\u1ed1i PoE RJ45 v\u00e0 bi\u1ebfn \u00e1p LAN \u0111\u1ec1u tr\u1ea3i qua ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t nh\u1eb1m \u0111\u1ea3m b\u1ea3o <strong>tu\u00e2n th\u1ee7 \u0111\u1ea7y \u0111\u1ee7 ti\u00eau chu\u1ea9n IEEE 802.3<\/strong>, bao g\u1ed3m tu\u00e2n th\u1ee7 ch\u00ednh x\u00e1c \u0111\u1ecbnh d\u1ea1ng khung, th\u1eddi gian v\u00e0 \u0111\u1eb7c t\u1ea3 truy\u1ec1n t\u1ea3i \u0111i\u1ec7n n\u0103ng PoE.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"608\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ed04ce8541e344ee8501d7be8271ee87-1024x608.webp\" alt=\"LINK-PP &amp; IEEE 802.3: Full Compatibility\" class=\"wp-image-5429\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ed04ce8541e344ee8501d7be8271ee87-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ed04ce8541e344ee8501d7be8271ee87-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ed04ce8541e344ee8501d7be8271ee87-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ed04ce8541e344ee8501d7be8271ee87-18x12.webp 18w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ed04ce8541e344ee8501d7be8271ee87.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">B\u1ed9 k\u1ebft n\u1ed1i RJ45 h\u1ed7 tr\u1ee3 PoE<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>V\u00ed d\u1ee5: <a href=\"https:\/\/www.link-pp.com\/products\/2611.html\" target=\"_blank\" rel=\"\">LPJG4928HENL<\/a><\/p><\/li>\n\n\n\n<li><p>\u0110\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn cho <strong>10\/100\/1000 Mbps<\/strong><\/p><\/li>\n\n\n\n<li><p>\u0110\u00e1p \u1ee9ng <strong>IEEE 802.3at PoE+<\/strong> \u0111\u1eb7c t\u1ea3 \u0111i\u1ec7n.<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u0110\u1ea7u n\u1ed1i RJ45 t\u00edch h\u1ee3p cu\u1ed9n c\u1ea3m &amp; bi\u1ebfn \u00e1p LAN<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>K\u1ebft h\u1ee3p cu\u1ed9n c\u1ea3m t\u00edn hi\u1ec7u v\u00e0 l\u1ecdc LAN trong m\u1ed9t c\u1ea5u tr\u00fac nh\u1ecf g\u1ecdn.<\/p><\/li>\n\n\n\n<li><p>H\u1ed7 tr\u1ee3 <strong>10 Mbps \u2013 10 Gbps<\/strong>, PoE, ki\u1ec3m so\u00e1t nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI) v\u00e0 <strong>d\u1ea3i nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng t\u1eeb -40 \u00b0C \u0111\u1ebfn +85 \u00b0C<\/strong> .<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83c\udf10 <strong>K\u1ebft lu\u1eadn<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>IEEE 802.3<\/strong> l\u00e0m n\u1ec1n t\u1ea3ng cho m\u1ea1ng Ethernet, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng tr\u00ean to\u00e0n c\u1ea7u. B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c \u0111\u1eb7c t\u1ea3 IEEE \u2014 bao g\u1ed3m c\u1ea3 vi\u1ec7c truy\u1ec1n t\u1ea3i \u0111i\u1ec7n n\u0103ng PoE v\u00e0 \u0111\u1ecbnh d\u1ea1ng khung ch\u00ednh x\u00e1c \u2014 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>LINK-PP<\/strong><\/a> cung c\u1ea5p c\u00e1c th\u00e0nh ph\u1ea7n s\u1eb5n s\u00e0ng \u0111\u00e1p \u1ee9ng c\u1ea3 nhu c\u1ea7u m\u1ea1ng hi\u1ec7n t\u1ea1i l\u1eabn t\u01b0\u01a1ng lai.<\/p>","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u v\u1ec1 ti\u00eau chu\u1ea9n Ethernet IEEE 802.3, vai tr\u00f2 c\u1ee7a n\u00f3 trong truy\u1ec1n th\u00f4ng m\u1ea1ng v\u00e0 c\u00e1ch c\u00e1c b\u1ed9 bi\u1ebfn \u00e1p PoE c\u1ee7a LINK-PP \u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n to\u00e0n c\u1ea7u n\u00e0y.<\/p>","protected":false},"author":1,"featured_media":5428,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[22,23],"class_list":["post-5430","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-integrated-rj45-connectors","tag-link-pp-lan-transformers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5430","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=5430"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5430\/revisions"}],"predecessor-version":[{"id":11393,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5430\/revisions\/11393"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/5428"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=5430"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=5430"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=5430"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}