{"id":3568,"date":"2025-11-28T00:00:00","date_gmt":"2025-11-28T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/pcs-pma-pmd-work-together\/"},"modified":"2026-06-22T04:34:01","modified_gmt":"2026-06-22T04:34:01","slug":"pcs-pma-pmd-work-together","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/pcs-pma-pmd-work-together","title":{"rendered":"PCS, PMA \ubc0f PMD \uc774\ub354\ub137 PHY \uacc4\uce35\uc774 \ud568\uaed8 \uc791\ub3d9\ud558\ub294 \ubc29\uc2dd"},"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\/d23fa6e6358741de8a06b78eb2e16176.webp\" alt=\"How PCS, PMA, and PMD Work Together\" class=\"wp-image-3564\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d23fa6e6358741de8a06b78eb2e16176.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d23fa6e6358741de8a06b78eb2e16176-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d23fa6e6358741de8a06b78eb2e16176-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d23fa6e6358741de8a06b78eb2e16176-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d23fa6e6358741de8a06b78eb2e16176-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud604\ub300 \uace0\uc18d \uc774\ub354\ub137\u201410G, 25G, 40G, 100G \ubc0f \uadf8 \uc774\uc0c1\u2014\uc740 \ub370\uc774\ud130\uac00 MAC \uacc4\uce35\uc5d0\uc11c \ubb3c\ub9ac \uc804\uc1a1 \ub9e4\uccb4\ub85c \uc2e0\ub8b0\uc131 \uc788\uac8c \uc774\ub3d9\ud560 \uc218 \uc788\ub3c4\ub85d \ubcf4\uc7a5\ud558\ub294 \uacc4\uce35\ud654\ub41c \uc544\ud0a4\ud14d\ucc98\uc5d0 \uc758\uc874\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uacc4\uce35 \uc911, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/pcs-physical-coding-sublayer-ethernet-explained\/\"><strong>PCS(\ubb3c\ub9ac \ucf54\ub529 \ud558\uc704 \uacc4\uce35)<\/strong><\/a>, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/pma-physical-medium-attachment-ethernet-explained\/\"><strong>PMA(\ubb3c\ub9ac \ub9e4\uccb4 \ubd80\ucc29)<\/strong><\/a>, \uc640 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/what-is-physical-medium-dependent-pmd\/\"><strong>PMD(\ubb3c\ub9ac \ub9e4\uccb4 \uc885\uc18d)<\/strong><\/a> \ubb3c\ub9ac \uacc4\uce35(PHY) \uc2a4\ud0dd\uc758 \ud575\uc2ec\uc744 \ud615\uc131\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc00\uc811\ud558\uac8c \uad00\ub828\ub418\uc5b4 \uc788\uc9c0\ub9cc \uac01 \uacc4\uce35\uc740 \uace0\uc720\ud55c \uae30\ub2a5\uc744 \uc218\ud589\ud569\ub2c8\ub2e4. \uc774\ub4e4\uc774 \uc5b4\ub5bb\uac8c \ud611\ub825\ud558\uc5ec \uc791\ub3d9\ud558\ub294\uc9c0\ub97c \uc774\ud574\ud558\ub294 \uac83\uc740 \ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4, \uad11\ud559 \ubaa8\ub4c8 \uc124\uacc4\uc790, \uadf8\ub9ac\uace0 \uc774\ub354\ub137 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub098 \uc5f0\uacb0 \ud558\ub4dc\uc6e8\uc5b4\ub97c \ud3c9\uac00\ud558\ub294 \ubaa8\ub4e0 \uc0ac\ub78c\ub4e4\uc5d0\uac8c \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\uac01 \uacc4\uce35\uc758 \uc5ed\ud560<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" ><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/pcs-physical-coding-sublayer-ethernet-explained\/\">PCS \u2014 \ubb3c\ub9ac \ucf54\ub529 \uc11c\ube0c\uacc4\uce35(Physical Coding Sublayer)<\/a><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PCS\ub294 <strong>\ub370\uc774\ud130 \uc778\ucf54\ub529, \ube14\ub85d \uc815\ub82c, \ub808\uc778 \ubd84\ubc30, \uc624\ub958 \ud0d0\uc9c0<\/strong>.<br\/>\uc8fc\uc694 \ucc45\uc784\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc778\ucf54\ub529 \ubc29\uc2dd(8b\/10b, 64b\/66b, 256b\/257b)<\/p><\/li><li><p>\ub808\uc778 \uc2a4\ud2b8\ub77c\uc774\ud551 \ubc0f \ub514\uc2a4\ud050(\ub2e4\uc911 \ub808\uc778 \uc774\ub354\ub137\uc6a9)<\/p><\/li><li><p>\uc6cc\ub4dc \uc815\ub82c \ubc0f \ud504\ub808\uc784 \uad6c\ubd84<\/p><\/li><li><p>\uc624\ub958 \ubaa8\ub2c8\ud130\ub9c1(BER, \ube14\ub85d \uc624\ub958)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>PCS\ub294 MAC \uacc4\uce35 \ub370\uc774\ud130\ub97c \uace0\uc18d \uc9c1\ub82c\ud654\uc5d0 \uc801\ud569\ud55c<\/strong> \ucf54\ub529\ub41c \ube44\ud2b8\uc2a4\ud2b8\ub9bc\uc73c\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" ><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/pma-physical-medium-attachment-ethernet-explained\/\">PMA \u2014 \ubb3c\ub9ac \ub9e4\uccb4 \ucca8\ubd80 \uacc4\uce35(Physical Medium Attachment)<\/a><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PMA\ub294 <strong>\uc9c1\ub82c\ud654\/\ube44\uc9c1\ub82c\ud654<\/strong>, <strong>\ud074\ub85d \ubcf5\uad6c<\/strong>, \uc640 <strong>\uc804\uae30\uc801 \uc801\uc751<\/strong> \uae30\ub2a5\uc744 PCS\uc640 PMD \uc0ac\uc774\uc5d0\uc11c \ub2f4\ub2f9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc8fc\uc694 \uae30\ub2a5\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/serdes-interfaces-high-speed-data-transfer-and-signal-integrity\/\"><strong>SerDes\uc5d0\uc11c \uac00\uc7a5 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \ud558\uc774\ube0c\ub9ac\ub4dc \uc774\ud004\ub77c\uc774\uc81c\uc774\uc158 \ubc29\uc2dd\uc785\ub2c8\ub2e4.<\/strong><\/a> (\ubcd1\ub82c-\uc9c1\ub82c \ubc0f \uc9c1\ub82c-\ubcd1\ub82c \ubcc0\ud658)<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/clock-and-data-recovery-in-modern-communication-systems\/\"><strong>CDR<\/strong><\/a> (\ud074\ub85d \ubc0f \ub370\uc774\ud130 \ubcf5\uad6c)<\/p><\/li><li><p>\uc804\uc1a1\uc744 \uc704\ud55c \uc548\uc815\uc801\uc778 \uace0\uc18d \ube44\ud2b8\uc2a4\ud2b8\ub9bc \uc0dd\uc131<\/p><\/li><li><p>\ub2e4\uc911 \ub808\uc778 \uacb0\ud569(\uc608: 4\u00d725G \u2192 100G)<\/p><\/li><li><p>\ud2b8\ub79c\uc2a4\uc2dc\ubc84 \ub0b4\ubd80\uc758 \uc804\uae30\uc801 PHY \uc778\ud130\ud398\uc774\uc2a4 \ucc98\ub9ac<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>PMA\ub294 \uc2e0\ud638\uac00 \uae68\ub057\ud558\uace0 \ub3d9\uae30\ud654\ub418\uc5b4 \ubb3c\ub9ac \ub9e4\uccb4\ub97c \ud1b5\ud55c \uc804\uc1a1\uc744 \uc704\ud574 \uc900\ube44\ub418\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" ><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/what-is-physical-medium-dependent-pmd\/\">PMD \u2014 \ubb3c\ub9ac \ub9e4\uccb4 \uc885\uc18d \uacc4\uce35(Physical Medium Dependent)<\/a><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PMD\ub294 <strong>\uc2e4\uc81c \uc804\uc1a1 \ub9e4\uccb4<\/strong>, (\uc608: \uad11\uc12c\uc720, \uad6c\ub9ac, DAC, AOC \ub4f1)\uc640 \uc9c1\uc811 \uc0c1\ud638\uc791\uc6a9\ud558\ub294 \uacc4\uce35\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PMD\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uad11 \uc1a1\uc2e0\uae30\/\uc218\uc2e0\uae30(\uc608: \ub808\uc774\uc800, \ud3ec\ud1a0\ub2e4\uc774\uc624\ub4dc)<\/p><\/li><li><p>\uc804\uae30\uc801 \ub4dc\ub77c\uc774\ubc84 \ubc0f \uc99d\ud3ed\uae30<\/p><\/li><li><p>\ud30c\uc7a5 \uc120\ud0dd<\/p><\/li><li><p>\ucd9c\ub825 \uc804\ub825 \ubc0f \uac10\ub3c4 \uc81c\uc5b4<\/p><\/li><li><p>\ub9e4\uccb4\ubcc4 \ud30c\ub77c\ubbf8\ud130(OM3\/OM4 \uad11\uc12c\uc720, 100\uc634 \uad6c\ub9ac \uc30d \ub4f1)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>PMD\ub294 PMA\ub85c\ubd80\ud130 \ubc1b\uc740 \uc804\uae30 \uc2e0\ud638\ub97c \ubb3c\ub9ac \ub9c1\ud06c\ub97c \ud1b5\ud574 \uc804\ub2ec\ub418\ub294 \uad11 \ub610\ub294 \uad6c\ub9ac \uae30\ubc18 \uc2e0\ud638\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >PCS, PMA, PMD\uc758 \ud611\uc5c5 \ubc29\uc2dd<\/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\/8f686013e096433f9a02240754eb8dec.webp\" alt=\"PCS, PMA, and PMD Work Together\" class=\"wp-image-3565\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8f686013e096433f9a02240754eb8dec.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8f686013e096433f9a02240754eb8dec-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8f686013e096433f9a02240754eb8dec-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8f686013e096433f9a02240754eb8dec-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8f686013e096433f9a02240754eb8dec-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">PHY \uc2a4\ud0dd\uc744 \ud1b5\ud55c \ub370\uc774\ud130 \ud750\ub984\uc740 \ub2e4\uc74c \ud30c\uc774\ud504\ub77c\uc778\uc744 \ub530\ub985\ub2c8\ub2e4:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\ub2e8\uacc4 1: PCS\uac00 \ub370\uc774\ud130\ub97c \uc778\ucf54\ub529\ud558\uace0 \uc815\ub9ac\ud568<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">MAC\uc5d0\uc11c \uc624\ub294 \ub370\uc774\ud130\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc778\ucf54\ub529\ub428(64b\/66b \ub610\ub294 \uae30\ud0c0 \ubc29\uc2dd)<\/p><\/li><li><p>\ub808\uc778\uc73c\ub85c \ubd84\ubc30\ub428(\ub2e4\uc911 \ub808\uc778\uc778 \uacbd\uc6b0)<\/p><\/li><li><p>\uc815\ub82c\ub418\uace0 \ube14\ub85d-\ub77d\ub428<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub294 \uc2e0\ud638 \ubb34\uacb0\uc131\uc744 \uc720\uc9c0\ud558\uba74\uc11c \uace0\uc18d \uc9c1\ub82c\ud654\ub97c \uc704\ud55c \ub370\uc774\ud130 \uc900\ube44\ub97c \uc218\ud589\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\ub2e8\uacc4 2: PMA\uac00 \ube44\ud2b8\uc2a4\ud2b8\ub9bc\uc744 \ubcc0\ud658\ud558\uace0 \ub3d9\uae30\ud654\ud568<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PMA\ub294 \ub2e4\uc74c\uc744 \uc218\ud589\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>PCS \uc778\ucf54\ub529\ub41c \ub370\uc774\ud130\ub97c \uc5f0\uc18d\uc801\uc778 \ube44\ud2b8\uc2a4\ud2b8\ub9bc\uc73c\ub85c \uc9c1\ub82c\ud654\ud568<\/p><\/li><li><p>\uc218\uc2e0 \ub370\uc774\ud130\ub85c\ubd80\ud130 \ud074\ub85d \ud0c0\uc774\ubc0d\uc744 \ubcf5\uad6c\ud568<\/p><\/li><li><p>\uc801\uc6a9\ud568 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/serdes-interfaces-high-speed-data-transfer-and-signal-integrity\/\">SerDes\uc5d0\uc11c \uac00\uc7a5 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \ud558\uc774\ube0c\ub9ac\ub4dc \uc774\ud004\ub77c\uc774\uc81c\uc774\uc158 \ubc29\uc2dd\uc785\ub2c8\ub2e4.<\/a> \uc774\ud004\ub77c\uc774\uc81c\uc774\uc158 \ubc0f \ub9ac\ud0c0\uc774\ubc0d<\/p><\/li><li><p>\ub2e4\uc911 \ub808\uc778 \ud504\ub85c\ud1a0\ucf5c(XLAUI, CAUI-4 \ub4f1)\uc5d0 \ub300\ud55c \ub808\uc778 \ubc14\uc778\ub529\uc744 \ubcf4\uc7a5\ud568<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub294 \uc1a1\uc2e0 \uc804 \uc2e0\ud638\ub97c \uc548\uc815\ud654\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\ub2e8\uacc4 3: PMD\uac00 \uc2e0\ud638\ub97c \ub9e4\uccb4\ub97c \ud1b5\ud574 \uc804\uc1a1\ud568<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PMD \uacc4\uce35\uc740 \ub2e4\uc74c\uc744 \uc218\ud589\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc804\uae30 \uc2e0\ud638\ub97c \uad11 \uc2e0\ud638\ub85c \ubcc0\ud658\ud568(\ub808\uc774\uc800\/\uad11\ub2e4\uc774\uc624\ub4dc \uc0ac\uc6a9)<\/p><\/li><li><p>\ub610\ub294 \uad6c\ub9ac \ucf00\uc774\ube14(BASE-T, DAC)\uc6a9 \uc804\uae30 \ucd9c\ub825\uc744 \uc870\uc815\ud568<\/p><\/li><li><p>\ubcc0\uc870 \ud615\uc2dd\uc744 \uc81c\uc5b4\ud568(<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/understanding-non-return-to-zero-in-digital-communication\/\">outer OMA<\/a>, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/what-is-pam4-four-level-pulse-amplitude-modulation-basics\/\">PAM4<\/a>)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc218\uc2e0 \uce21\uc5d0\uc11c PMD\ub294 \uc774 \uacfc\uc815\uc744 \uc5ed\uc73c\ub85c \uc218\ud589\ud558\uc5ec \uae68\ub057\ud55c \uc804\uae30 \uc2e0\ud638\ub97c PMA\ub85c \ub2e4\uc2dc \uc804\ub2ec\ud568.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\uc774\ub7ec\ud55c \uacc4\uce35\uc774 \uc911\uc694\ud55c \uc774\uc720<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >\uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \uc131\ub2a5\uc744 \uc704\ud574<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uacc4\uce35\ub4e4\uc740 \ub2e4\uc74c\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ucd5c\ub300 \ub370\uc774\ud130 \uc804\uc1a1 \uc18d\ub3c4<\/p><\/li><li><p>\ub9c1\ud06c \uac70\ub9ac \ub2a5\ub825<\/p><\/li><li><p>\uc624\ub958 \uc131\ub2a5(<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/understanding-what-is-bit-error-rate\/\">BER<\/a>)<\/p><\/li><li><p>\uc9c0\uc5f0 \uc2dc\uac04<\/p><\/li><li><p>: \ud639\ub3c5\ud55c \uc870\uac74\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0 &lt;1.8W<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">PMA \ubc0f PMD\ub294 \ud2b9\ud788 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/488452.htm\"><strong>100G<\/strong><\/a><strong>\/<\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/473139.htm\"><strong>200G<\/strong><\/a><strong>\/<\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472016.htm\"><strong>400G<\/strong><\/a><strong> PAM4 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\uc5d0\uc11c \ub9e4\uc6b0 \uc911\uc694\ud558\uba70<\/strong>, \uc5ec\uae30\uc11c \ud074\ub85d \ubcf5\uad6c \ubc0f \uad11 \ubcc0\uc870\uc5d0\ub294 \uace0\uae09 DSP\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\uc2dc\uc2a4\ud15c \ud1b5\ud569\uc5c5\uccb4\ub97c \uc704\ud574<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PCS-PMA-PMD \uc0c1\ud638\uc791\uc6a9\uc5d0 \ub300\ud55c \uba85\ud655\ud55c \uc774\ud574\ub294 \ub2e4\uc74c\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ud638\ud658 \uac00\ub2a5\ud55c <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26155-1g-sfp.htm\">SFP<\/a>\/<a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/491483.htm\">QSFP \ubaa8\ub4c8\uacfc \uac19\uc740 \uae30\uc220\uc740<\/a><\/p><\/li><li><p>\uad11 \ub9c1\ud06c \ubb38\uc81c \uc9c4\ub2e8 \ubc0f \ud574\uacb0<\/p><\/li><li><p>\uc62c\ubc14\ub978 \ub808\uc778 \ub9e4\ud551 \ubcf4\uc7a5(\uc608: \ube0c\ub808\uc774\ud06c\uc544\uc6c3)<\/p><\/li><li><p>\uc778\ucf54\ub529 \ub610\ub294 \uc815\ub82c \uc624\ub958 \uc9c4\ub2e8<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >LINK-PP \ud558\ub4dc\uc6e8\uc5b4\uac00 PCS\/PMA\/PMD \uc548\uc815\uc131\uc744 \uc5b4\ub5bb\uac8c \uc9c0\uc6d0\ud558\ub294\uac00<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">LINK-PP\ub294 \uc774\ub354\ub137 \uc790\uae30 \ubd80\ud488, \uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \uc561\uc138\uc11c\ub9ac \ubc0f \uace0\uc131\ub2a5 \uc5f0\uacb0 \ubd80\ud488\uc744 \uc81c\uacf5\ud558\uba70, \ub2e4\uc74c\uc744 \uc704\ud574 \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub0ae\uc740 \uc0bd\uc785 \uc190\uc2e4 \ubc0f \ub192\uc740 \uc2e0\ud638 \ubb34\uacb0\uc131(PMA SerDes \uc131\ub2a5 \uc9c0\uc6d0)<\/p><\/li><li><p>EMI \uc5b5\uc81c(PMA\/PCS \uc791\ub3d9 \uc548\uc815\ud654)<\/p><\/li><li><p>\uc7a5\uac70\ub9ac \ub9c1\ud06c\ub97c \uc704\ud55c \uac15\ub825\ud55c \uc804\uae30\uc801 \ud2b9\uc131<\/p><\/li><li><p>\uc8fc\uc694 \ub124\ud2b8\uc6cc\ud0b9 OEM\uacfc\uc758 \ud638\ud658\uc131<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uace0\ud488\uc9c8 \ucee4\ub125\ud130, RJ45 \uc790\uae30 \ubd80\ud488 \ubc0f \uad11 \ubd80\ud488\uc740 \ubaa8\ub4e0 PHY \uc11c\ube0c\uacc4\uce35\uc5d0\uc11c <strong>\uc2e0\ud638 \uc120\uba85\ub3c4\ub97c \uc720\uc9c0\ud558\ub294 \ub370 \uae30\uc5ec\ud558\uba70<\/strong>, \uc774\ub294 PCS \uc778\ucf54\ub529\ubd80\ud130 PMD \uc1a1\uc2e0\uae4c\uc9c0 \uc2e0\ub8b0\uc131 \uc788\ub294 \uc791\ub3d9\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/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\/9240db12025d485c8973a6532e9fb4d7.jpg\" alt=\"LINK-PP Solutions\" class=\"wp-image-3566\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9240db12025d485c8973a6532e9fb4d7.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9240db12025d485c8973a6532e9fb4d7-300x178.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9240db12025d485c8973a6532e9fb4d7-1024x608.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9240db12025d485c8973a6532e9fb4d7-768x456.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9240db12025d485c8973a6532e9fb4d7-18x12.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >\uacb0\ub860<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>PCS, PMA \ubc0f PMD\ub294 \uc774\ub354\ub137 PHY\uc758 \uc138 \uac1c \ub3d9\uae30\ud654\ub41c \uacc4\uce35\uc73c\ub85c \ud568\uaed8 \uc791\ub3d9\ud569\ub2c8\ub2e4.<\/strong>, \uc774\ub294 \uace0\uc18d \ub370\uc774\ud130\uac00 \uad11\uc12c\uc720 \ubc0f \uad6c\ub9ac \ub124\ud2b8\uc6cc\ud06c\ub97c \ud1b5\ud574 \uae68\ub057\ud558\uace0 \uc2e0\ub8b0\uc131 \uc788\uac8c \uc804\uc1a1\ub420 \uc218 \uc788\ub3c4\ub85d \ud558\ub294 \ud575\uc2ec \ud30c\uc774\ud504\ub77c\uc778\uc744 \uad6c\uc131\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/pcs-physical-coding-sublayer-ethernet-explained\/\">PCS<\/a> \ub2f4\ub2f9 <strong>\ucf54\ub529 \ubc0f \uc815\ub82c<\/strong><\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/pma-physical-medium-attachment-ethernet-explained\/\">PMA<\/a> \ub2f4\ub2f9 <strong>\uc9c1\ub82c\ud654 \ubc0f \ud0c0\uc774\ubc0d<\/strong><\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/what-is-physical-medium-dependent-pmd\/\">PMD<\/a> \ub2f4\ub2f9 <strong>\ub9e4\uccb4\ubcc4 \uc804\uc1a1<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub4e4\uc758 \uc5ed\ud560\uc744 \uc774\ud574\ud558\ub294 \uac83\uc740 \uace0\uc18d \uad11 \ubaa8\ub4c8, \ub124\ud2b8\uc6cc\ud06c \uc124\uacc4 \ub610\ub294 \ubb3c\ub9ac \uacc4\uce35 \uc131\ub2a5\uc744 \ud3c9\uac00\ud560 \ub54c \uadfc\ubcf8\uc801\uc73c\ub85c \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38(FAQ)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >\uc774\ub354\ub137\uc5d0\uc11c PCS, PMA \ubc0f PMD\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PCS(\ubb3c\ub9ac \ucf54\ub529 \uc11c\ube0c\uacc4\uce35)\ub294 \ub370\uc774\ud130 \uc778\ucf54\ub529, \ube14\ub85d \uc815\ub82c, \ub808\uc778 \ubd84\ubc30 \ubc0f \uc624\ub958 \uac10\uc9c0\ub97c \ub2f4\ub2f9\ud569\ub2c8\ub2e4.<br\/>PMA(\ubb3c\ub9ac \ub9e4\uccb4 \ucca8\ubd80 \uacc4\uce35)\ub294 \uc9c1\ub82c\ud654\/\ub514\uc9c1\ub82c\ud654(SerDes) \ubc0f \ud074\ub85d \ubcf5\uad6c\ub97c \uc218\ud589\ud569\ub2c8\ub2e4.<br\/>PMD(\ubb3c\ub9ac \ub9e4\uccb4 \uc885\uc18d \uacc4\uce35)\ub294 \uc2e4\uc81c \ubb3c\ub9ac \ub9e4\uccb4\uc640 \uc778\ud130\ud398\uc774\uc2a4\ud558\uc5ec \uc804\uae30\uc801 \ub610\ub294 \uad11 \uc2e0\ud638\ub97c \uc1a1\uc2e0 \ubc0f \uc218\uc2e0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h3 class=\"wp-block-heading\" >\uc65c PCS, PMA \ubc0f PMD\ub294 \ud568\uaed8 \uc791\ub3d9\ud574\uc57c \ud558\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uc138 \uacc4\uce35\uc740 \uc644\uc804\ud55c \uc774\ub354\ub137 PHY \ud30c\uc774\ud504\ub77c\uc778\uc744 \uad6c\uc131\ud569\ub2c8\ub2e4. PCS\ub294 \ub370\uc774\ud130\ub97c \uc900\ube44\ud558\uace0, PMA\ub294 \uc774\ub97c \uc9c1\ub82c\ud654\ub41c \ube44\ud2b8\uc2a4\ud2b8\ub9bc\uc73c\ub85c \ubcc0\ud658\ud558\uba70, PMD\ub294 \uad6c\ub9ac \ub610\ub294 \uad11\uc12c\uc720\ub97c \ud1b5\ud574 \uc774\ub97c \uc804\uc1a1\ud569\ub2c8\ub2e4. \ub2e8\uc9c0 \ud568\uaed8 \uc791\ub3d9\ud560 \ub54c\uc5d0\ub9cc PHY\ub294 \uace0\uc18d \ub9c1\ud06c \uc804\uccb4\uc5d0\uc11c \ud0c0\uc774\ubc0d, \uc2e0\ud638 \ubb34\uacb0\uc131 \ubc0f \uc0c1\ud638 \uc6b4\uc6a9\uc131\uc744 \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h3 class=\"wp-block-heading\" >\ubaa8\ub4e0 \uc774\ub354\ub137 \uc18d\ub3c4\uc5d0\uc11c PCS, PMA \ubc0f PMD\uac00 \uc0ac\uc6a9\ub418\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608. 1G, 10G, 25G, 100G \ub610\ub294 400G\uc640 \uac19\uc740 \uc18d\ub3c4\uc5d0 \uad00\uacc4\uc5c6\uc774 \uc774\ub7ec\ud55c \ube14\ub85d\uc740 \uc774\ub354\ub137 PHY \uc544\ud0a4\ud14d\ucc98 \ub0b4\uc5d0 \uc874\uc7ac\ud569\ub2c8\ub2e4. \ub0b4\ubd80 \uad6c\ud604 \ubc29\uc2dd\uc740 \ub2ec\ub77c\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4(\uc608: \ub2e4\ub978 \uc778\ucf54\ub529 \ubc29\uc2dd \ub610\ub294 SerDes \ub808\uc778). \uadf8\ub7ec\ub098 \uae30\ub2a5\uc801 \uad6c\uc870\ub294 \uc77c\uad00\ub418\uac8c \uc720\uc9c0\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h3 class=\"wp-block-heading\" >PCS\ub294 \ub9c1\ud06c \uc548\uc815\uc131 \ubc0f \uc131\ub2a5\uc5d0 \uc5b4\ub5a4 \uc601\ud5a5\uc744 \ubbf8\uce58\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PCS\ub294 \ub2e4\uc74c\uc744 \ud1b5\ud574 \ub9c1\ud06c\uc758 \uacac\uace0\ud568\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4:<br\/>\u2022 \ube14\ub85d \uc778\ucf54\ub529 \uc218\ud589(\uc608: 64b\/66b, 256b\/257b)<br\/>\u2022 \ub3d9\uae30\ud654 \ud5e4\ub354 \ucd94\uac00<br\/>\u2022 \ub808\uc778 \ubd84\ubc30 \ubc0f \ub514\uc2a4\ud050(Deskew) \uc9c0\uc6d0<br\/>\u2022 \uc624\ub958 \uac10\uc9c0 \uc81c\uacf5(\uc608: CRC\/FEC)<br\/>\uc774\ub7ec\ud55c \uae30\ub2a5\uc740 \ube44\ud2b8 \uc624\ub958\uc728\uc744 \ub0ae\ucd94\uace0, \uc7a5\uac70\ub9ac\u00b7\uace0\uc18d \uc804\uc1a1\uc744 \uc704\ud55c \uc2e0\ub8b0\uc131 \uc788\ub294 \ud1b5\uc2e0\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h3 class=\"wp-block-heading\" >\uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\uc5d0\uc11c PMA\ub294 \uc5b4\ub5a4 \uc5ed\ud560\uc744 \ud558\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5d0\uc11c <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">SFP, SFP+, SFP28, QSFP+, \ubc0f QSFP28 \ubaa8\ub4c8<\/a>, \uc5d0\uc11c PMA \uacc4\uce35\uc740 \ud638\uc2a4\ud2b8 \uce21 \uc804\uae30 \ub808\uc778\uacfc \uad11 \ub4dc\ub77c\uc774\ubc84\ub97c \ub9e4\uce6d\uc2dc\ud0a4\ub294 SerDes \ubc0f \ud074\ub85d \ubcf5\uad6c \ud68c\ub85c\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4. \uc774\ub294 \ud0c0\uc774\ubc0d \uc815\ud655\uc131, \ub370\uc774\ud130 \ub808\uc778 \uc815\ub82c, \uc804\uae30 \uc601\uc5ed\uacfc \uad11 \uc601\uc5ed \uac04\uc758 \uc6d0\ud65c\ud55c \ubcc0\ud658\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h3 class=\"wp-block-heading\" >PMD\ub294 \uad11\uc12c\uc720\uc5d0\ub9cc \uc0ac\uc6a9\ub418\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc544\ub2d9\ub2c8\ub2e4. PMD\ub294 \uad11\uc12c\uc720\uc640 \uad6c\ub9ac \ubaa8\ub450\uc5d0 \uc801\uc6a9\ub429\ub2c8\ub2e4.<br\/>\u2022 \uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\uc5d0\uc11c\ub294 PMD\uac00 \ub808\uc774\uc800, \ud3ec\ud1a0\ub2e4\uc774\uc624\ub4dc \ubc0f \ubcc0\uc870 \ud68c\ub85c\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4.<br\/>\u2022 \uad6c\ub9ac \uc778\ud130\ud398\uc774\uc2a4(\uc608: BASE-T)\uc5d0\uc11c\ub294 PMD\uac00 \uc544\ub0a0\ub85c\uadf8 \ud504\ub860\ud2b8\uc5d4\ub4dc, \ud2b8\ub79c\uc2a4\ud3ec\uba38 \ubc0f <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-17492-integrated-rj45-connector.htm\">RJ45 \uc5f0\uacb0\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/a>.<br\/>\uadf8 \uc5ed\ud560\uc740 \ud56d\uc0c1 PHY \uc2e0\ud638\ub97c \ubb3c\ub9ac\uc801 \ub9e4\uccb4\uc5d0 \uacb0\ud569\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h3 class=\"wp-block-heading\" >\uc774\ub7ec\ud55c \uacc4\uce35\uc740 \ubaa8\ub4c8 \ud638\ud658\uc131\uc5d0 \uc5b4\ub5a4 \uc601\ud5a5\uc744 \ubbf8\uce58\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0c1\ud638 \uc6b4\uc6a9\uc131\uc744 \uc704\ud574 PCS \uc778\ucf54\ub529, PMA SerDes \ub3d9\uc791, \uadf8\ub9ac\uace0 PMD\uc758 \uad11\ud559\/\uc804\uae30 \uc0ac\uc591\uc740 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/ieee-802-3-ethernet-standard-explained\/\">\uc7ac\ub8cc \uc548\uc804\uc131 \uad00\ub828<\/a>. \uc774\ub97c \ud1b5\ud574 \uc11c\ub85c \ub2e4\ub978 \uc81c\uc870\uc0ac\uc758 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub77c\ub3c4 \ub3d9\uc77c\ud55c \ud45c\uc900\uc744 \ub530\ub974\uba74 \uc2a4\uc704\uce58, \ub77c\uc6b0\ud130 \ubc0f NIC\uc640 \uc6d0\ud65c\ud558\uac8c \uc791\ub3d9\ud569\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>\uc774\ub354\ub137 PHY \ub0b4\ubd80\uc5d0\uc11c PCS, PMA \ubc0f PMD\uac00 \uc5b4\ub5bb\uac8c \ud611\ub825\ud558\uc5ec \uad11\uc12c\uc720 \ubc0f \uad6c\ub9ac \ub124\ud2b8\uc6cc\ud06c \uc804\ubc18\uc5d0 \uac78\uccd0 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uace0\uc18d \ub370\uc774\ud130 \uc804\uc1a1\uc744 \uac00\ub2a5\ud558\uac8c \ud558\ub294\uc9c0 \uc54c\uc544\ubcf4\uc138\uc694.<\/p>","protected":false},"author":1,"featured_media":3567,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[22,24,26],"class_list":["post-3568","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-integrated-rj45-connectors","tag-link-pp","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/3568","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/comments?post=3568"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/3568\/revisions"}],"predecessor-version":[{"id":10824,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/3568\/revisions\/10824"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media\/3567"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media?parent=3568"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/categories?post=3568"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/tags?post=3568"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}