{"id":3573,"date":"2025-11-28T00:00:00","date_gmt":"2025-11-28T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/pcs-physical-coding-sublayer-ethernet-explained\/"},"modified":"2026-06-22T04:32:57","modified_gmt":"2026-06-22T04:32:57","slug":"pcs-physical-coding-sublayer-ethernet-explained","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/pcs-physical-coding-sublayer-ethernet-explained","title":{"rendered":"PCS\uff08\u7269\u7406\u7b26\u53f7\u5316\u30b5\u30d6\u30ec\u30a4\u30e4\u30fc\uff09\uff1a\u5b8c\u5168\u6280\u8853\u6982\u8981"},"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\/34f3d7140a36402fbca20e242d392164.webp\" alt=\"What Is the PCS in Ethernet?\" class=\"wp-image-3569\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/34f3d7140a36402fbca20e242d392164.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/34f3d7140a36402fbca20e242d392164-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/34f3d7140a36402fbca20e242d392164-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/34f3d7140a36402fbca20e242d392164-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/34f3d7140a36402fbca20e242d392164-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e <strong>\u7269\u7406\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u30b5\u30d6\u30ec\u30a4\u30e4\u30fc\uff08PCS\uff09<\/strong> \u306f\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u306e\u91cd\u8981\u306a\u69cb\u6210\u8981\u7d20\u3067\u3059 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/what-is-phy-physical-layer-basics-explained\/\"><strong>\u7269\u7406\u5c64\uff08PHY\uff09<\/strong><\/a>, \u3001<br>\u306e\u9593\u306b\u4f4d\u7f6e\u3057\u307e\u3059 <strong>\u30ea\u30b3\u30f3\u30b7\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30fb\u30b5\u30d6\u30ec\u30a4\u30e4\u30fc\uff08RS\uff09<\/strong> \u304a\u3088\u3073 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/pma-physical-medium-attachment-ethernet-explained\/\"><strong>\u7269\u7406\u5a92\u4f53\u30a2\u30bf\u30c3\u30c1\u30e1\u30f3\u30c8\uff08PMA\uff09<\/strong><\/a>. \u3002\u305d\u306e\u4e3b\u306a\u5f79\u5272\u306f\u3001\u30c7\u30b8\u30bf\u30eb\u30c7\u30fc\u30bf\u3092\u3001\u9285\u7dda\u307e\u305f\u306f\u5149\u30e1\u30c7\u30a3\u30a2\u4e0a\u3067\u4fe1\u983c\u6027\u9ad8\u304f\u4f1d\u9001\u53ef\u80fd\u306a\u5f62\u5f0f\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u3067\u3042\u308a\u300110G\u300125G\u300140G\u3001100G\u3001\u304a\u3088\u3073\u305d\u308c\u4ee5\u4e0a\u306e\u6975\u3081\u3066\u9ad8\u901f\u306a\u901a\u4fe1\u3067\u3082\u5bfe\u5fdc\u53ef\u80fd\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PCS\u306f\u3001<br>\u306e\u6539\u6b63\u3092\u901a\u3058\u3066\u5927\u5e45\u306b\u9032\u5316\u3057\u3001 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/ieee-802-3-ethernet-standard-explained\/\">SFP\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u691c\u51fa<\/a> \u73fe\u4ee3\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3044\u3066\u540c\u671f\u3001\u8aa4\u308a\u691c\u51fa\u3001\u304a\u3088\u3073\u4f1d\u9001\u52b9\u7387\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u3001\u307e\u3059\u307e\u3059\u8907\u96d1\u306a\u7b26\u53f7\u5316\u65b9\u5f0f\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u27a1\ufe0f \u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u306b\u304a\u3051\u308bPCS\u3068\u306f\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e <strong>\u7269\u7406\u7b26\u53f7\u5316\u30b5\u30d6\u30ec\u30a4\u30e4\u30fc\uff08Physical Coding Sublayer\uff09<\/strong> \u306f\u3001\u4fe1\u53f7\u304cPMA\u3078\u76f4\u5217\u5316\u3055\u308c\u3066\u9001\u4fe1\u3055\u308c\u308b\u524d\u306b\u5fc5\u8981\u306a\u7b26\u53f7\u5316\u3001\u5fa9\u53f7\u5316\u3001\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u3001\u304a\u3088\u3073\u5236\u5fa1\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u4e0a\u4f4d\u30ec\u30a4\u30e4\u30fc\u304b\u3089\u53d7\u3051\u53d6\u3063\u305f\u30d0\u30a4\u30ca\u30ea\u30c7\u30fc\u30bf\u304c\u3001\u96fb\u6c17\u7684\u307e\u305f\u306f\u5149\u5b66\u7684\u306a\u5a92\u4f53\u306b\u9069\u3057\u305f\u5f62\u3067\u9069\u5207\u306b\u69cb\u9020\u5316\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8981\u3059\u308b\u306b\u3001PCS\u306f\u30c7\u30fc\u30bf\u3092\u4f1d\u9001\u306e\u6e96\u5099\u72b6\u614b\u306b\u6574\u3048\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u27a1\ufe0f PCS\u306e\u4e3b\u306a\u6a5f\u80fd<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >\u30e9\u30a4\u30f3\u7b26\u53f7\u5316\u304a\u3088\u3073\u30d6\u30ed\u30c3\u30af\u7b26\u53f7\u5316<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PCS\u306f\u3001\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u306e\u4e16\u4ee3\u306b\u5fdc\u3058\u3066\u7279\u5b9a\u306e\u7b26\u53f7\u5316\u65b9\u5f0f\u3092\u5b9f\u88c5\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>8B\/10B<\/strong> \u306f\u521d\u671f\u306e\u30ae\u30ac\u30d3\u30c3\u30c8\u30fb\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u5411\u3051\u306e\u7b26\u53f7\u5316\u65b9\u5f0f\u3067\u3059<\/p><\/li><li><p><strong>64B\/66B<\/strong> \u306f10G\/25G\/40G\/100G\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u5411\u3051\u306e\u7b26\u53f7\u5316\u65b9\u5f0f\u3067\u3059<\/p><\/li><li><p><strong>256B\/257B<\/strong> \u306f200G\/400G\u306a\u3069\u306e\u9ad8\u5ea6\u306a\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u5411\u3051\u306e\u7b26\u53f7\u5316\u65b9\u5f0f\u3067\u3059<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u7b26\u53f7\u5316\u30d6\u30ed\u30c3\u30af\u306b\u3088\u308a\u3001\u4ee5\u4e0b\u306e\u70b9\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30af\u30ed\u30c3\u30af\u56de\u5fa9\u306e\u305f\u3081\u306e\u5341\u5206\u306a\u4fe1\u53f7\u9077\u79fb<\/p><\/li><li><p>DC\u30d0\u30e9\u30f3\u30b9\u306e\u6700\u9069\u5316<\/p><\/li><li><p>\u5236\u5fa1\u30b7\u30f3\u30dc\u30eb\u306e\u633f\u5165<\/p><\/li><li><p>\u8aa4\u308a\u691c\u51fa\u6a5f\u80fd<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>64B\/66B<\/strong> \u306f\u3001\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u5c11\u306a\u304f\u9ad8\u52b9\u7387\u3067\u3042\u308b\u305f\u3081\u3001\u9ad8\u901f\u5149\u901a\u4fe1\u306b\u304a\u3044\u3066\u4e3b\u6d41\u306e\u65b9\u5f0f\u3067\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u540c\u671f\u304a\u3088\u3073\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u30fb\u30de\u30fc\u30ab\u30fc<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ad8\u901f\u30ea\u30f3\u30af\u3067\u306f\u3001\u53d7\u4fe1\u5074\u304c\u30d3\u30c3\u30c8\u304a\u3088\u3073\u30d5\u30ec\u30fc\u30e0\u306e\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u3092\u7dad\u6301\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PCS\u306f\u4ee5\u4e0b\u306e\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30d6\u30ed\u30c3\u30af\u540c\u671f<\/p><\/li><li><p>\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u30fb\u30de\u30fc\u30ab\u30fc\uff0840GBASE-R\u3084100GBASE-R\u306a\u3069\u306e\u30de\u30eb\u30c1\u30ec\u30fc\u30f3\u30b7\u30b9\u30c6\u30e0\u5411\u3051\uff09<\/p><\/li><li><p>\u4e26\u5217\u5149\u30ec\u30fc\u30f3\u9593\u3067\u306e\u30ec\u30fc\u30f3\u30fb\u30c7\u30b9\u30ad\u30e5\u30fc\u30a4\u30f3\u30b0<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">PCS\u306e\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u8ad6\u7406\u304c\u306a\u3051\u308c\u3070\u3001\u30de\u30eb\u30c1\u30ec\u30fc\u30f3\u30fb\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u306f\u6c7a\u5b9a\u8ad6\u7684\u304b\u3064\u5b89\u5b9a\u3057\u305f\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u30b5\u30dd\u30fc\u30c8\u3067\u304d\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u8aa4\u308a\u691c\u51fa\u304a\u3088\u3073\u30a2\u30a4\u30c9\u30eb\u5236\u5fa1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PCS\u30ec\u30a4\u30e4\u30fc\u306f\u3001\u4ee5\u4e0b\u306e\u6a5f\u80fd\u3092\u53ef\u80fd\u306b\u3059\u308b\u69cb\u9020\u3092\u8ffd\u52a0\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30d6\u30ed\u30c3\u30af\u306e\u6709\u52b9\u6027\u306b\u3088\u308b\u8aa4\u308a\u30c1\u30a7\u30c3\u30af<\/p><\/li><li><p>\u30ea\u30f3\u30af\u7ba1\u7406\u306e\u305f\u3081\u306e\u30a2\u30a4\u30c9\u30eb\u633f\u5165<\/p><\/li><li><p>\u30ea\u30f3\u30af\u4ea4\u6e09\u306e\u305f\u3081\u306e\u9806\u5e8f\u4ed8\u304d\u30bb\u30c3\u30c8\uff08\u4f8b\uff1a\u300c\u30ed\u30fc\u30ab\u30eb\u30d5\u30a9\u30fc\u30eb\u30c8\u300d\u3001\u300c\u30ea\u30e2\u30fc\u30c8\u30d5\u30a9\u30fc\u30eb\u30c8\u300d\uff09<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3057\u305f\u304c\u3063\u3066\u3001PCS\u306f\u30c7\u30fc\u30bf\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u307f\u3092\u884c\u3046\u306e\u3067\u306f\u306a\u304f\u3001\u30ea\u30f3\u30af\u306e\u5065\u5168\u6027\u76e3\u8996\u3082\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/aa1a7d937f634330be77e395e37df361.jpg\" alt=\"PCS (Physical Coding Sublayer)\" class=\"wp-image-3570\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/aa1a7d937f634330be77e395e37df361.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/aa1a7d937f634330be77e395e37df361-300x300.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/aa1a7d937f634330be77e395e37df361-150x150.jpg 150w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/aa1a7d937f634330be77e395e37df361-768x768.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/aa1a7d937f634330be77e395e37df361-12x12.jpg 12w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >\u27a1\ufe0f PCS vs PMA vs PMD \u2014 \u305d\u308c\u3089\u304c\u5354\u8abf\u3057\u3066\u52d5\u4f5c\u3059\u308b\u4ed5\u7d44\u307f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >PCS \u2192 PMA \u2192 PMD \u306e\u6982\u8981<\/h3>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 355px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"355\"><p>\u30ec\u30a4\u30e4\u30fc<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u6a5f\u80fd<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"355\"><p><strong>PCS\uff08\u7269\u7406\u7b26\u53f7\u5316\u30b5\u30d6\u30ec\u30a4\u30e4\u30fc\uff09<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u7b26\u53f7\u5316\u3001\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u3001\u30ec\u30fc\u30f3\u5206\u914d<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"355\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/pma-physical-medium-attachment-ethernet-explained\/\"><strong>PMA\uff08\u7269\u7406\u5a92\u4f53\u30a2\u30bf\u30c3\u30c1\u30e1\u30f3\u30c8\uff09<\/strong><\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30b7\u30ea\u30a2\u30eb\u5316\uff0f\u30c7\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u3001\u30b9\u30af\u30e9\u30f3\u30d6\u30eb\u51e6\u7406<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"355\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/what-is-physical-medium-dependent-pmd\/\"><strong>PMD\uff08\u7269\u7406\u5a92\u4f53\u4f9d\u5b58\u90e8\uff09<\/strong><\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u5149\uff0f\u96fb\u6c17\u30e1\u30c7\u30a3\u30a2\u3001\u6ce2\u9577\u3001\u5909\u8abf\u65b9\u5f0f\u3092\u5b9a\u7fa9<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">PCS\u306f\u30c7\u30b8\u30bf\u30eb\u30fb\u30d6\u30ed\u30c3\u30af\u3092\u6e96\u5099\u3057\u307e\u3059\u3002.<br\/>PMA\u306f\u30d3\u30c3\u30c8\u3092\u30b7\u30ea\u30a2\u30eb\u5316\u3057\u307e\u3059\u3002.<br\/>PMD\u306f\u5149\u30d5\u30a1\u30a4\u30d0\u3001\u9285\u7dda\u3001\u30d0\u30c3\u30af\u30d7\u30ec\u30fc\u30f3\u306a\u3069\u306e\u7269\u7406\u5a92\u4f53\u3068\u76f8\u4e92\u4f5c\u7528\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u27a1\ufe0f \u73fe\u4ee3\u306e\u5149\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u306b\u304a\u3051\u308bPCS\u306e\u91cd\u8981\u6027<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ad8\u901f\u5149\u30e2\u30b8\u30e5\u30fc\u30eb\uff08\u4f8b\uff1a <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/476909.htm\"><strong>SFP+<\/strong><\/a><strong>, <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/491606.htm\"><strong>SFP28<\/strong><\/a><strong>, <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/491483.htm\"><strong>QSFP+<\/strong><\/a><strong>, <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/488452.htm\"><strong>QSFP28<\/strong><\/a><strong>, <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/473139.htm\"><strong>\u30d0\u30c3\u30af\u30cf\u30a4\u30e9\u30a6\u30f3\u30c9<\/strong><\/a>\uff09\u306f\u3001\u30b9\u30a4\u30c3\u30c1\u3001\u30eb\u30fc\u30bf\u3001\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u6a5f\u5668\u9593\u306e\u76f8\u4e92\u904b\u7528\u6027\u306e\u305f\u3081\u306bPCS\u6a5f\u80fd\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\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\/6af2399d28934f05bddfa8639d9fd6d5.webp\" alt=\"SFP+, SFP28, QSFP+, QSFP28, QSFP56 optical modules\" class=\"wp-image-3571\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6af2399d28934f05bddfa8639d9fd6d5.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6af2399d28934f05bddfa8639d9fd6d5-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6af2399d28934f05bddfa8639d9fd6d5-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6af2399d28934f05bddfa8639d9fd6d5-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6af2399d28934f05bddfa8639d9fd6d5-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5149\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u306b\u304a\u3044\u3066PCS\u304c\u4e0d\u53ef\u6b20\u3067\u3042\u308b\u4e3b\u306a\u7406\u7531\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u4f4e\u8aa4\u308a\u7387\u306e\u78ba\u4fdd <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/understanding-what-is-bit-error-rate\/\">BER\uff08\u30d3\u30c3\u30c8\u8aa4\u308a\u7387\uff09<\/a><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u52b9\u7387\u7684\u306a\u30d6\u30ed\u30c3\u30af\u7b26\u53f7\u5316\u304a\u3088\u3073\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u306b\u3088\u308a\u3001\u4f1d\u9001\u30a8\u30e9\u30fc\u304c\u4f4e\u6e1b\u3055\u308c\u3001\u30ea\u30f3\u30af\u306e\u4fe1\u983c\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u30de\u30eb\u30c1\u30ec\u30fc\u30f3\u30fb\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u30b5\u30dd\u30fc\u30c8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-R\u304a\u3088\u3073100GBASE-R\u306f\u3001PCS\u306b\u3088\u308b\u30ec\u30fc\u30f3\u30fb\u30b9\u30c8\u30e9\u30a4\u30d4\u30f3\u30b0\u304a\u3088\u3073\u30c7\u30b9\u30ad\u30e5\u30fc\u8ad6\u7406\u306b\u5927\u304d\u304f\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u3088\u308a\u9ad8\u3044\u30dd\u30fc\u30c8\u5bc6\u5ea6\u306e\u5b9f\u73fe<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b26\u53f7\u5316\u52b9\u7387\uff08\u4f8b\uff1a64B\/66B\uff09\u306b\u3088\u308a\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u6700\u5c0f\u9650\u306b\u6291\u3048\u3089\u308c\u3001\u5404\u30ec\u30fc\u30f3\u3042\u305f\u308a\u306e\u5e2f\u57df\u5e45\u304c\u5897\u52a0\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u95a2\u9023LINK-PP\u88fd\u54c1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">LINK-PP\u306f\u5e45\u5e83\u3044\u7bc4\u56f2\u306e<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">\u30aa\u30d7\u30c6\u30a3\u30ab\u30eb\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc<\/a> IEEE PCS\u30d9\u30fc\u30b9\u306e\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u6a19\u6e96\u3068\u4e92\u63db\u52d5\u4f5c\u3059\u308b\u88fd\u54c1\u3067\u3001\u4ee5\u4e0b\u3092\u542b\u307f\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\"><strong>10G SFP+\u30e2\u30b8\u30e5\u30fc\u30eb<\/strong><\/a><\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26225-25g-sfp28.htm\"><strong>25G SFP28\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0<\/strong><\/a><\/p><\/li><li><p><strong>40G\/100G <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/491483.htm\"><strong>QSFP+<\/strong><\/a><strong> \/ <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/488452.htm\"><strong>QSFP28\u30e2\u30b8\u30e5\u30fc\u30eb<\/strong><\/a><\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/476909.htm\"><strong>\u5de5\u696d\u7528\u5149\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0<\/strong><\/a><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u4e92\u63db\u6027\u3001\u4f4eBER\u6027\u80fd\u3001\u304a\u3088\u3073PCS\u30d9\u30fc\u30b9\u306e\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8PHY\u5168\u4f53\u3067\u306e\u5b89\u5b9a\u52d5\u4f5c\u3092\u76ee\u7684\u3068\u3057\u3066\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u27a1\ufe0f \u5404\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u6a19\u6e96\u306b\u304a\u3051\u308bPCS<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >\u25b7 10\u30ae\u30ac\u30d3\u30c3\u30c8\u30fb\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\uff0810GBASE-R\uff09\u306b\u304a\u3051\u308bPCS<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30c7\u30d0\u30a4\u30b9\u304a\u3088\u3073\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u8b58\u5225\u3059\u308b\u305f\u3081\u306b <strong>64B\/66B<\/strong> \u7b26\u53f7\u5316<\/p><\/li><li><p>\u30d6\u30ed\u30c3\u30af\u30fb\u30ed\u30c3\u30af\u304a\u3088\u3073\u30de\u30fc\u30ab\u30fc\u691c\u51fa\u3092\u5b9a\u7fa9<\/p><\/li><li><p>\u9577\u8ddd\u96e2\u5149\u4f1d\u9001\u5411\u3051\u306b\u6700\u9069\u5316<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >\u25b7 25G\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\uff0825GBASE-R\uff09\u306b\u304a\u3051\u308bPCS<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>64B\/66B\u3092\u7d99\u627f<\/p><\/li><li><p>\u6539\u826f\u3055\u308c\u305fFEC\uff08\u524d\u65b9\u8aa4\u308a\u8a02\u6b63\uff09\u7d71\u5408\u3092\u8ffd\u52a0<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >\u25b7 40G\/100G\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\uff0840GBASE-R \/ 100GBASE-R\uff09\u306b\u304a\u3051\u308bPCS<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u30fb\u30de\u30fc\u30ab\u30fc\u3092\u7528\u3044\u305f\u30ec\u30fc\u30f3\u591a\u91cd\u5316\u3092\u5c0e\u5165<\/p><\/li><li><p>\u4e26\u5217\u5149\u30d5\u30a1\u30a4\u30d0\u30fb\u30c1\u30e3\u30cd\u30eb\u9593\u3067\u306e\u5b89\u5b9a\u6027\u7dad\u6301\u306b\u4e0d\u53ef\u6b20<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >\u25b7 100G\u3092\u8d85\u3048\u308b\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u304a\u3051\u308bPCS<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">IEEE 802.3bs\u304a\u3088\u3073802.3cd\u306e\u62e1\u5f35\u306b\u3088\u308a\u5c0e\u5165\u3055\u308c\u308b\u6a5f\u80fd\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u3088\u308a\u5927\u304d\u306a\u30d6\u30ed\u30c3\u30af\u30b5\u30a4\u30ba<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/what-is-pam4-four-level-pulse-amplitude-modulation-basics\/\">PAM4\u5909\u8abf<\/a> \uff08PMA\/PMD\u3067\u51e6\u7406\u3055\u308c\u308b\u304c\u3001PCS\u3068\u306e\u9023\u643a\u304c\u5fc5\u8981\uff09<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\u27a1\ufe0f PCS\u304c\u6975\u3081\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3059\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >\u25cf \u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ad8\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u306e\u30b9\u30d1\u30a4\u30f3\u30fb\u30ea\u30fc\u30d5\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u3001\u30b9\u30a4\u30c3\u30c1\u9593\u306e\u30ed\u30b9\u30ec\u30b9\u901a\u4fe1\u306e\u305f\u3081\u306bPCS\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u25cf \u30ad\u30e3\u30ea\u30a2\u304a\u3088\u3073\u30e1\u30c8\u30ed\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PCS\u306f\u3001\u9577\u8ddd\u96e2\u5149\u30ea\u30f3\u30af\u306b\u304a\u3051\u308b\u4fe1\u53f7\u5b8c\u5168\u6027\u3092\u7dad\u6301\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u25cf \u30a4\u30f3\u30c0\u30b9\u30c8\u30ea\u30a2\u30eb\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4fe1\u983c\u6027\u306e\u9ad8\u3044PCS\u7b26\u53f7\u5316\u306f\u3001\u904e\u9177\u306a\u74b0\u5883\u306b\u304a\u3051\u308b\u6c7a\u5b9a\u8ad6\u7684\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u3067\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u27a1\ufe0f \u7d50\u8ad6<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e <strong>\u7269\u7406\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u30b5\u30d6\u30ec\u30a4\u30e4\u30fc\uff08PCS\uff09<\/strong> 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