{"id":3584,"date":"2025-11-28T00:00:00","date_gmt":"2025-11-28T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/pma-physical-medium-attachment-ethernet-explained\/"},"modified":"2026-06-22T04:35:39","modified_gmt":"2026-06-22T04:35:39","slug":"pma-physical-medium-attachment-ethernet-explained","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/pma-physical-medium-attachment-ethernet-explained","title":{"rendered":"PMA(Physical Medium Attachment) \uacc4\uce35 \uc774\ud574\ud558\uae30"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"608\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f069071da15c4bf48583fce260f4b0df-1024x608.webp\" alt=\"Understanding the PMA (Physical Medium Attachment) Layer\" class=\"wp-image-3579\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f069071da15c4bf48583fce260f4b0df-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f069071da15c4bf48583fce260f4b0df-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f069071da15c4bf48583fce260f4b0df-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f069071da15c4bf48583fce260f4b0df-18x12.webp 18w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f069071da15c4bf48583fce260f4b0df.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"highlight\">The<\/span> <strong>\ubb3c\ub9ac \ub9e4\uccb4 \uc5b4\ud0dc\uce58\uba3c\ud2b8(PMA)<\/strong> \uc774\ub354\ub137 \ub0b4 \ud575\uc2ec \uc11c\ube0c\ub808\uc774\uc5b4\uc785\ub2c8\ub2e4. <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/what-is-phy-physical-layer-basics-explained\/\"><strong>\ubb3c\ub9ac \uacc4\uce35(PHY)<\/strong><\/a>, <code>PCS<\/code> \uacc4\uce35\uacfc <code>PMD<\/code> \uacc4\uce35 \uc0ac\uc774\uc5d0\uc11c \uc791\ub3d9\ud569\ub2c8\ub2e4. <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/pcs-physical-coding-sublayer-ethernet-explained\/\"><strong>\ubb3c\ub9ac \ucf54\ub529 \uc11c\ube0c\ub808\uc774\uc5b4(PCS)<\/strong><\/a> \uadf8\ub9ac\uace0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/what-is-physical-medium-dependent-pmd\/\"><strong>\ubb3c\ub9ac\uc801 \ub9e4\uccb4 \uc885\uc18d(PMD) \uacc4\uce35<\/strong><\/a> \ub370\uc774\ud130 \uc804\uc1a1 \uc18d\ub3c4\uac00 10G, 25G, 100G \ubc0f \uadf8 \uc774\uc0c1\uc73c\ub85c \ud655\uc7a5\ub428\uc5d0 \ub530\ub77c, PMA\ub294 \uad6c\ub9ac \ubc0f \uad11 \ub9e4\uccb4\ub97c \ud1b5\ud55c \uace0\uc18d \uc9c1\ub82c\ud654, \uc815\ubc00 \ud0c0\uc774\ubc0d, \uc548\uc815\uc801\uc778 \ud1b5\uc2e0\uc744 \uac00\ub2a5\ud558\uac8c \ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">IEEE 802.3 \uc774\ub354\ub137 \uc544\ud0a4\ud14d\ucc98\uc5d0\uc11c PMA\ub294 \uad6c\uc870\ud654\ub41c PCS \ube14\ub85d\uc744 \uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84, \uc804\uae30 \ub808\uc778 \ub610\ub294 \ubc31\ud50c\ub808\uc778 \ucc44\ub110\uc744 \ud1b5\ud574 \uc804\uc1a1\ud558\uae30\uc5d0 \uc801\ud569\ud55c \uace0\uc18d \uc9c1\ub82c \ube44\ud2b8\uc2a4\ud2b8\ub9bc\uc73c\ub85c \ubcc0\ud658\ud558\ub294 \ub2e4\ub9ac \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f \uc774\ub354\ub137\uc5d0\uc11c PMA \uacc4\uce35\uc774\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"highlight\">The<\/span> <strong>PMA<\/strong> \uace0\uc18d \ub370\uc774\ud130\uac00 \ubb3c\ub9ac\uc801 \ub9e4\uccb4\ub97c \ud1b5\ud574 \uc804\ub2ec\ub420 \uc218 \uc788\ub3c4\ub85d \uc804\uae30\uc801 \ubc0f \ud0c0\uc774\ubc0d\uc774 \ubbfc\uac10\ud55c \uae30\ub2a5\uc744 \uc218\ud589\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/serdes-interfaces-high-speed-data-transfer-and-signal-integrity\/\"><strong>SerDes(\uc9c1\ub82c\ud654\uae30\/\ub514\uc9c1\ub82c\ud654\uae30) <\/strong><\/a><strong>\ub85c\uc9c1<\/strong>, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/clock-and-data-recovery-in-modern-communication-systems\/\"><strong>CDR(\ud074\ub85d \ubc0f \ub370\uc774\ud130 \ubcf5\uad6c)<\/strong><\/a> \ud68c\ub85c \ubc0f \ub808\uc778 \uad00\ub9ac \uba54\ucee4\ub2c8\uc998\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc694\uc57d\ud558\uba74:<br>\ud83d\udc49 <strong>PCS\uac00 \ub370\uc774\ud130\ub97c \uc900\ube44\ud569\ub2c8\ub2e4. PMA\uac00 \uc774\ub97c \uc9c1\ub82c\ud654\ud569\ub2c8\ub2e4. PMD\uac00 \uc774\ub97c \uad11\uc12c\uc720 \ub610\ub294 \uad6c\ub9ac \ucf00\uc774\ube14\ub85c \uc804\uc1a1\ud569\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PMA\ub294 \ub9e4\uccb4\ub85c \uc785\ub825\ub418\ub294 \uc2e0\ud638\uac00 \uae68\ub057\ud558\uace0 \ub3d9\uae30\ud654\ub418\uc5b4 \uc788\uc73c\uba70 \uc5ec\ub7ec \uace0\uc18d \ub808\uc778 \uac04\uc5d0 \uc77c\uad00\ub418\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f PMA\uc758 \ud575\uc2ec \uae30\ub2a5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\uc9c1\ub82c\ud654 \ubc0f \ub514\uc9c1\ub82c\ud654(SerDes)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PMA\uc758 \uc8fc\uc694 \uc5ed\ud560 \uc911 \ud558\ub098\ub294 <strong>\ubcd1\ub82c PCS \ub370\uc774\ud130\ub97c \uace0\uc18d \uc9c1\ub82c \uc2a4\ud2b8\ub9bc\uc73c\ub85c \ubcc0\ud658\ud558\ub294 \uac83<\/strong>, \ubc0f \uadf8 \ubc18\ub300 \uc791\uc5c5\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>TX \uacbd\ub85c:<\/strong> \ub2e4\uc911 \ube44\ud2b8 \ubcd1\ub82c \u2192 \ub2e8\uc77c \uc9c1\ub82c \ube44\ud2b8\uc2a4\ud2b8\ub9bc<\/p><\/li>\n\n\n\n<li><p><strong>RX \uacbd\ub85c:<\/strong> \uc9c1\ub82c \ube44\ud2b8\uc2a4\ud2b8\ub9bc \u2192 \ub2e4\uc911 \ube44\ud2b8 \ubcd1\ub82c<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uae30\ub2a5\uc740 \ub2e4\uc74c \uac19\uc740 \uace0\uc18d \uc774\ub354\ub137 \ubcc0\ud615\uc744 \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>10GBASE-R(10.3125 Gb\/s \ub77c\uc778 \uc18d\ub3c4)<\/strong><\/p><\/li>\n\n\n\n<li><p><strong>25GBASE-R(25.78125 Gb\/s)<\/strong><\/p><\/li>\n\n\n\n<li><p><strong>100GBASE-R(4 \u00d7 25G \ub808\uc778)<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uace0\ud488\uc9c8 <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> \uc9c1\uacb0\ub85c \ube44\ud2b8 \uc624\ub958\uc728(BER) \ubc0f \ub9c1\ud06c \uc548\uc815\uc131\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud074\ub85d \ubcf5\uad6c \ubc0f \ube44\ud2b8 \ub808\ubca8 \ub3d9\uae30\ud654<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PMA\ub294 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/clock-and-data-recovery-in-modern-communication-systems\/\"><strong>\ud074\ub85d \ubc0f \ub370\uc774\ud130 \ubcf5\uad6c(Clock and Data Recovery, CDR)<\/strong><\/a> \uc218\uc2e0 \ube44\ud2b8\uc2a4\ud2b8\ub9bc\uc5d0\uc11c \ud0c0\uc774\ubc0d \uc815\ubcf4\ub97c \ucd94\ucd9c\ud558\ub294 \uae30\ub2a5\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4. CDR\uc740 \ub2e4\uc74c\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uac01 \ube44\ud2b8\uc758 \uc815\ud655\ud55c \uc0d8\ud50c\ub9c1<\/p><\/li>\n\n\n\n<li><p>\ub9c1\ud06c \uc9c0\ud130 \ubcf4\uc0c1<\/p><\/li>\n\n\n\n<li><p>\uae34 \uac70\ub9ac \ub610\ub294 \uc7a1\uc74c\uc774 \ub9ce\uc740 \ucc44\ub110\uc5d0\uc11c\ub3c4 \uc548\uc815\uc801\uc778 \ub3d9\uae30\ud654<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud604\ub300 \uad11 \ub9c1\ud06c\uc5d0\uc11c CDR \uc131\ub2a5\uc740 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/understanding-what-is-bit-error-rate\/\"><strong>BER<\/strong><\/a>, <strong>\uc9c0\uc5f0 \uc2dc\uac04<\/strong>, \uc640 <strong>\uc2e0\ud638 \ubb34\uacb0\uc131<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"565\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/239b12b64a4b4af38618b96be24bd85b.webp\" alt=\"Clock and Data Recovery (CDR)\" class=\"wp-image-3580\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/239b12b64a4b4af38618b96be24bd85b.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/239b12b64a4b4af38618b96be24bd85b-300x141.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/239b12b64a4b4af38618b96be24bd85b-1024x482.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/239b12b64a4b4af38618b96be24bd85b-768x362.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/239b12b64a4b4af38618b96be24bd85b-18x8.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\uc2a4\ud06c\ub7a8\ube14\ub9c1 \ubc0f \ub514\uc2a4\ud06c\ub7a8\ube14\ub9c1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PMA\ub294 \ub2e4\uc74c \ubaa9\uc801\uc744 \uc704\ud574 \uc2a4\ud06c\ub7a8\ube14\ub9c1\uc744 \uc218\ud589\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>EMI \uac10\uc18c<\/p><\/li>\n\n\n\n<li><p>\uae34 \ubc18\ubcf5 \ube44\ud2b8 \uc2dc\ud000\uc2a4 \uc81c\uac70<\/p><\/li>\n\n\n\n<li><p>\ud074\ub85d \ubcf5\uad6c\ub97c \uc704\ud55c \ubb34\uc791\uc704\uc131 \ud5a5\uc0c1<\/p><\/li>\n\n\n\n<li><p>DC \ubc38\ub7f0\uc2a4 \ubcf4\uc7a5<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2a4\ud06c\ub7a8\ube14\ub9c1\uc740 PCS \uc778\ucf54\ub529(\uc608: 64B\/66B)\uacfc \ud568\uaed8 \uc791\ub3d9\ud558\uc5ec \uac15\ub825\ud55c \uc804\uc1a1 \ud504\ub85c\ud30c\uc77c\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. \ub808\uc778 \ub2e4\uc911\ud654 \ubc0f \ub2e4\uc911\ud574\uc81c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uba40\ud2f0\ub808\uc778 \uc774\ub354\ub137 \uc778\ud130\ud398\uc774\uc2a4(40GBASE-R, 100GBASE-R)\ub294 \uc5c4\uaca9\ud55c \ub808\uc778 \uad00\ub9ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub808\uc778 \uc2a4\ud2b8\ub77c\uc774\ud551(TX)<\/p><\/li>\n\n\n\n<li><p>\ub808\uc778 \ub514\uc2a4\ud050(RX)<\/p><\/li>\n\n\n\n<li><p>\ub9c8\ucee4 \uae30\ubc18 \uc815\ub82c(PCS\uc5d0\uc11c \uc815\uc758\ub418\ub098 PMA\uac00 \ubcf4\uc870\ud568)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">PMA\ub294 \uac01 \ub808\uc778\uc774 \uad11\uc12c\uc720 \ub610\ub294 PCB \ud2b8\ub808\uc774\uc2a4\ub97c \ud1b5\ud574 \uc11c\ub85c \ub2e4\ub978 \uc9c0\uc5f0\uc744 \uacbd\ud5d8\ud558\ub354\ub77c\ub3c4 \uba40\ud2f0\ub808\uc778 \ubcd1\ub82c \uc2dc\uc2a4\ud15c\uc744 \ub3d9\uae30\ud654\ub41c \uc0c1\ud0dc\ub85c \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f PMA vs PCS vs PMD \u2014 \uacc4\uce35 \ucc28\uc774<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\ube44\uad50 \uac1c\uc694<\/h3>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 183px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"183\"><p>\uacc4\uce35<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uae30\ub2a5<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"183\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/pcs-physical-coding-sublayer-ethernet-explained\/\"><strong>PCS<\/strong><\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ucf54\ub529(64B\/66B), \uc815\ub82c, \uc81c\uc5b4 \ube14\ub85d<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"183\"><p><strong>PMA<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc9c1\ub82c\ud654, \ubcd1\ub82c\ud654, \ud074\ub85d \ubcf5\uad6c<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"183\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/what-is-physical-medium-dependent-pmd\/\"><strong>PMD<\/strong><\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub808\uc774\uc800\/\uad11\ud559\/\uc804\uae30 \uc2e0\ud638 \ubc0f \ub9e4\uccb4 \uc778\ud130\ud398\uc774\uc2a4<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc2dc\uac01\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>MAC \u2192 PCS \u2192 PMA \u2192 PMD \u2192 \ub9e4\uccb4<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac01 \uacc4\uce35\uc740 \uc2e4\uc81c \ubb3c\ub9ac\uc801 \ub9e4\uccb4\uc5d0 \uc810\ucc28 \ub354 \uac00\uae4c\uc6cc\uc9c0\ub3c4\ub85d \ub370\uc774\ud130\ub97c \uc21c\ucc28\uc801\uc73c\ub85c \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/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\/fd912e80cbfc4eda826d7f976493739f-1024x608.webp\" alt=\"MAC \u2192 PCS \u2192 PMA \u2192 PMD \u2192 Medium\" class=\"wp-image-3581\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fd912e80cbfc4eda826d7f976493739f-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fd912e80cbfc4eda826d7f976493739f-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fd912e80cbfc4eda826d7f976493739f-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fd912e80cbfc4eda826d7f976493739f-18x12.webp 18w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fd912e80cbfc4eda826d7f976493739f.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f \uace0\uc18d \uc774\ub354\ub137 \ud45c\uc900\uc5d0\uc11c\uc758 PMA<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u25b7 10GBASE-R\uc5d0\uc11c\uc758 PMA<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>10.3125 Gb\/s\uc5d0\uc11c \uc791\ub3d9\ud558\ub294 \uace0\uc131\ub2a5 SerDes<\/p><\/li>\n\n\n\n<li><p>\uace0\uc8fc\ud30c \uc9c0\ud130 \ub0b4\uc131\uc744 \uc704\ud55c CDR<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u25b7 25GBASE-R \ubc0f 50G PAM4\uc5d0\uc11c\uc758 PMA<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub808\uc778\ub2f9 25G SerDes<\/p><\/li>\n\n\n\n<li><p>PAM4 \ubcc0\uc870\ub97c \uc704\ud55c FEC\uc640\uc758 \ud1b5\ud569<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u25b7 40G\/100G \uc774\ub354\ub137\uc5d0\uc11c\uc758 PMA<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>4\ub808\uc778 \ub610\ub294 10\ub808\uc778 \uc544\ud0a4\ud14d\ucc98<\/p><\/li>\n\n\n\n<li><p>\ub808\uc778 \ub514\uc2a4\ud050 \ubc0f \uacb0\uc815\ub860\uc801 \ub2e4\uc911\ucc44\ub110 \ub3d9\uae30\ud654<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u25b7 200G\/400G PAM4 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\uc758 PMA<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PCS\uac00 \uc778\ucf54\ub529\uc744 \ub2f4\ub2f9\ud558\ub294 \ubc18\uba74, PMA\ub294 \ub2e4\uc74c\uc744 \uad00\ub9ac\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>26G \ub610\ub294 53G SerDes \ub808\uc778<\/p><\/li>\n\n\n\n<li><p>PAM4 \uc2e0\ud638\uc5d0 \ub300\ud55c \uc5c4\uaca9\ud55c \uc9c0\ud130 \uc694\uad6c\uc0ac\ud56d<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f \uad11\ud559 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\uc5d0\uc11c PMA \uacc4\uce35\uc774 \uc911\uc694\ud55c \uc774\uc720<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud604\ub300\uc758 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">\uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/a> PMA \uae30\ub2a5\uc5d0 \ud06c\uac8c \uc758\uc874\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \uc2e0\ud638 \ubb34\uacb0\uc131\uc744 \uacb0\uc815\ud568<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uace0\uc18d SerDes \ubc0f CDR\uc740 \uc2e0\ud638\uac00 \ub9e4\uccb4\uc5d0 \uc5bc\ub9c8\ub098 \uae68\ub057\ud558\uac8c \uc9c4\uc785\ud558\ub294\uc9c0\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \uc624\ub958\uc728\uc744 \uac10\uc18c\uc2dc\ud0b4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc6b0\uc218\ud55c PMA \uc131\ub2a5\uc740 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/fec-forward-error-correction-in-optical-communication\/\">\uc21c\ubc29\ud5a5 \uc624\ub958 \uc815\uc815(FEC)<\/a> \uc801\uc6a9 \uc804 \ube44\ud2b8 \uc624\ub958\uc728(BER)\uc744 \uac10\uc18c\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \uba40\ud2f0\ub808\uc778 \uad11 \ubaa8\ub4c8\uc744 \uc9c0\uc6d0\ud568<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Modules like <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/491483.htm\">QSFP+<\/a>, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/488452.htm\">QSFP28<\/a>, \ub610\ub294 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/473139.htm\">QSFP56<\/a> PMA \ub808\uc778 \ub2e4\uc911\ud654\/\ub2e4\uc911\ud574\uc81c\uc5d0 \uc758\uc874\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. <strong> <\/strong>\uace0\uc18d \uc0c1\ud638\uc6b4\uc6a9\uc131\uc744 \uac00\ub2a5\ud558\uac8c \ud568<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PMA \ub85c\uc9c1\uc740 \uc2a4\uc704\uce58, \ub77c\uc6b0\ud130, NIC \ubc0f \uad11\ud559 \ubaa8\ub4c8 \uac04 \ud638\ud658\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. LINK-PP \uad11\ud559 \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \ubc0f PMA \uae30\ubc18 \uc774\ub354\ub137 PHY<\/h3>\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\/4a29bf0b7ff24fca9f281bdfe1471fd2.webp\" alt=\"LINK-PP Optical Transceivers\" class=\"wp-image-3582\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4a29bf0b7ff24fca9f281bdfe1471fd2.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4a29bf0b7ff24fca9f281bdfe1471fd2-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4a29bf0b7ff24fca9f281bdfe1471fd2-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4a29bf0b7ff24fca9f281bdfe1471fd2-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4a29bf0b7ff24fca9f281bdfe1471fd2-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">LINK-PP\ub294 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">\uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/a> PMA \ubc0f PCS \uae30\ubc18 \uace0\uc18d \uc774\ub354\ub137 PHY\uc640 \ud568\uaed8 \uc791\ub3d9\ud558\ub3c4\ub85d \uc124\uacc4\ub41c<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\" target=\"_blank\" rel=\"\"><strong>10G SFP+<\/strong> \uc804\uc1a1\uae30<\/a><\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/store-26225-25g-sfp28.htm\" target=\"_blank\" rel=\"\"><strong>25G SFP28<\/strong> \ubaa8\ub4c8\uc5d0\uc11c<\/a><\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/store-26153-40g-qsfp.htm\" target=\"_blank\" rel=\"\"><strong>40G QSFP+<\/strong> \uad11\ud559 \uc194\ub8e8\uc158<\/a><\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/store-27045-100g-qsfp28-sfp-dd.htm\" target=\"_blank\" rel=\"\"><strong>100G QSFP28<\/strong> \uc804\uc1a1\uae30<\/a><\/p><\/li>\n\n\n\n<li><p><strong>\ud639\ub3c5\ud55c \ud658\uacbd\uc744 \uc704\ud55c \uc0b0\uc5c5\uc6a9 \uc628\ub3c4 \ubaa8\ub4c8<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub294 \ub0ae\uc740 \uc9c0\ud130, \ub6f0\uc5b4\ub09c \uc2e0\ud638 \ubb34\uacb0\uc131 \ubc0f \ud45c\uc900\uc744 \uc900\uc218\ud558\ub294 PMA \uc0c1\ud638\uc6b4\uc6a9\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f \uacb0\ub860<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"highlight\">The<\/span> <strong>\ubb3c\ub9ac \ub9e4\uccb4 \uc5b4\ud0dc\uce58\uba3c\ud2b8(PMA)<\/strong> <span class=\"pma\">PMA<\/span>\ub294 \uc774\ub354\ub137 \ubb3c\ub9ac \uacc4\uce35\uc758 \uae30\ucd08\uc801\uc778 \uad6c\uc131 \uc694\uc18c\uc785\ub2c8\ub2e4. \uc9c1\ub82c\ud654, \ud074\ub85d \ubcf5\uad6c, \uc2a4\ub7a8\ube14\ub9c1 \ubc0f \ub808\uc778 \ub3d9\uae30\ud654\ub97c \ucc98\ub9ac\ud568\uc73c\ub85c\uc368, \uace0\uc18d \uc774\ub354\ub137 \ub370\uc774\ud130\uac00 \uad6c\ub9ac \ubc0f \uad11 \ub9e4\uccb4\ub97c \ud1b5\ud574 \uae68\ub057\ud558\uace0 \uc2e0\ub8b0\uc131 \uc788\uac8c \uc804\uc1a1\ub418\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"pma\">PMA<\/span>\uc5d0 \ub300\ud55c \uc774\ud574\ub294 \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc774 \uc548\uc815\uc801\uc778 \uc2dc\uc2a4\ud15c\uc744 \uc124\uacc4\ud558\uace0, \ud638\ud658 \uac00\ub2a5\ud55c \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub97c \uc120\ud0dd\ud558\uba70, \ub370\uc774\ud130 \uc13c\ud130, \ud1b5\uc2e0\ub9dd \ubc0f \uc0b0\uc5c5\uc6a9 \uc774\ub354\ub137 \ubc30\ud3ec \ud658\uacbd\uc5d0\uc11c \ub192\uc740 \ub9c1\ud06c \uc131\ub2a5\uc744 \uc720\uc9c0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>PMA(Physical Medium Attachment)\uac00 \ubb34\uc5c7\uc778\uc9c0, \uc9c1\ub82c\ud654 \ubc0f \ud074\ub85d \ubcf5\uad6c\ub97c \uc5b4\ub5bb\uac8c \ucc98\ub9ac\ud558\ub294\uc9c0, \uadf8\ub9ac\uace0 \uc65c \ud604\ub300 \uace0\uc18d \uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\uc5d0\uc11c \ud544\uc218\uc801\uc778\uc9c0\ub97c \ubc30\uc6cc\ubcf4\uc138\uc694.<\/p>","protected":false},"author":1,"featured_media":3583,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[],"class_list":["post-3584","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/3584","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=3584"}],"version-history":[{"count":5,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/3584\/revisions"}],"predecessor-version":[{"id":10827,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/3584\/revisions\/10827"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media\/3583"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media?parent=3584"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/categories?post=3584"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/tags?post=3584"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}