{"id":5813,"date":"2025-07-11T00:00:00","date_gmt":"2025-07-11T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/what-is-the-difference-between-nrz-and-pam4\/"},"modified":"2026-06-22T09:06:48","modified_gmt":"2026-06-22T09:06:48","slug":"what-is-the-difference-between-nrz-and-pam4","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/what-is-the-difference-between-nrz-and-pam4","title":{"rendered":"NRZ \ub300 PAM4: \uc8fc\uc694 \ucc28\uc774\uc810 \uc774\ud574"},"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\/05091a803b6a4dbdbdb66f8a4b45136c.webp\" alt=\"What is the difference between NRZ and PAM4?\" class=\"wp-image-5807\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/05091a803b6a4dbdbdb66f8a4b45136c.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/05091a803b6a4dbdbdb66f8a4b45136c-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/05091a803b6a4dbdbdb66f8a4b45136c-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/05091a803b6a4dbdbdb66f8a4b45136c-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/05091a803b6a4dbdbdb66f8a4b45136c-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 PAM4\uc640 NRZ \uac04 \uc8fc\uc694 \ucc28\uc774\uc810<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud604\ub300 \ub124\ud2b8\uc6cc\ud06c\ub97c \uc704\ud55c PAM4 \ubc0f NRZ \ubcc0\uc870 \ubc29\uc2dd\uc758 \ucc28\uc774\uc810 \ud0d0\uc0c9.<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p><strong>\uae30\ub2a5<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>NRZ(Non-Return to Zero, \uc81c\ub85c \ubcf5\uadc0 \uc5c6\uc74c)<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>PAM4(Pulse Amplitude Modulation 4-level)<\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\uc218\uc900<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>2(\uc608: \ub0ae\uc74c=0, \ub192\uc74c=1)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>4(\uc608: L0=00, L1=01, L2=10, L3=11)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\uc2ec\ubcfc\ub2f9 \ube44\ud2b8 \uc218<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>2<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\ub370\uc774\ud130 \uc804\uc1a1\ub960 \ud6a8\uc728\uc131<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub0ae\uc74c(\ub370\uc774\ud130 \uc804\uc1a1\ub960 = \uc2ec\ubcfc \uc804\uc1a1\ub960)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub192\uc74c(\ub370\uc774\ud130 \uc804\uc1a1\ub960 = 2 \u00d7 \uc2ec\ubcfc \uc804\uc1a1\ub960)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\ub3d9\uc77c\ud55c \ub370\uc774\ud130 \uc804\uc1a1\ub960\uc5d0 \ub300\ud55c \uc2ec\ubcfc \uc804\uc1a1\ub960(\ubcf4\ub4dc)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub192\uc74c(\uc608: 56Gbps\uc5d0 \ub300\ud574 56GBaud)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub0ae\uc74c(\uc608: 56Gbps\uc758 \uacbd\uc6b0 28 GBaud)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\uc7a1\uc74c \ubbfc\uac10\ub3c4<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub0ae\uc74c(\ub354 \ud070 \uc544\uc774 \uc624\ud504\ub2dd, \ub354 \ub192\uc740 SNR \uc5ec\uc720)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub192\uc74c(\ub354 \uc791\uc740 \uc544\uc774 \uc624\ud504\ub2dd, \ub354 \ub0ae\uc740 SNR \uc5ec\uc720)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\uad6c\ud604 \ubcf5\uc7a1\ub3c4<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub0ae\uc74c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub192\uc74c(DSP \ubc0f \uac15\ub825\ud55c FEC \ud544\uc694)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\ube44\ud2b8\ub2f9 \uc77c\ubc18\uc801\uc778 \uc804\ub825<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub0ae\uc74c(\uc131\uc219\ud55c \uae30\uc220)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub192\uc74c(\ubcf5\uc7a1\ub3c4 \uc624\ubc84\ud5e4\ub4dc)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\uc8fc\uc694 \ub370\uc774\ud130 \uc804\uc1a1\ub960<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub808\uc778\ub2f9 \u226425Gbps(\uc608: 10G, 25G SFP+)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub808\uc778\ub2f9 \u226550Gbps(\uc608: 100G, 200G, 400G, 800G)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\uc8fc\uc694 \uc751\uc6a9 \ubd84\uc57c<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uae30\uc874 10G\/25G, \ub2e8\uac70\ub9ac \uc778\ud130\ud398\uc774\uc2a4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uace0\uc18d \ub370\uc774\ud130\uc13c\ud130(100G \uc774\uc0c1), HPC, AI\/ML \ud074\ub7ec\uc2a4\ud130, 5G \ud504\ub860\ud2b8\ud640\/\ubbf8\ub4dc\ud640<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ub370\uc774\ud130\uc13c\ud130\uac00 \ub354 \ube60\ub978 \uc18d\ub3c4\ub97c \uc694\uad6c\ud568\uc5d0 \ub530\ub77c \ub124\ud2b8\uc6cc\ud06c\uac00 \uae09\uc18d\ud788 \ubcc0\ud654\ud558\ub294 \uac83\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <strong>PAM4 \ub300 NRZ<\/strong> \uc774 \ub17c\uc7c1\uc740 \uc911\uc694\ud569\ub2c8\ub2e4. \uc65c\ub0d0\ud558\uba74 PAM4\ub294 \uac01 \uc2ec\ubcfc\uc5d0 \ub450 \ube44\ud2b8\ub97c \uc804\uc1a1\ud558\uc9c0\ub9cc, NRZ\ub294 \ud55c \ube44\ud2b8\ub9cc \uc804\uc1a1\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \uc774 \ubcc0\ud654\ub294 \uc0c8\ub85c\uc6b4 \uc774\ub354\ub137\uc5d0\uc11c \ub300\uc5ed\ud3ed \ud6a8\uc728\uc744 \ub450 \ubc30\ub85c \ub192\uc774\uc9c0\ub9cc, \ucc44\ub110 \ub300\uc5ed\ud3ed\uc744 \ucd94\uac00\ub85c \uc0ac\uc6a9\ud558\uc9c0\ub294 \uc54a\uc2b5\ub2c8\ub2e4. \ub370\uc774\ud130\uc13c\ud130\uc5d0\uc11c\ub294 PAM4\uac00 \ub124 \uac1c\uc758 \uc9c4\ud3ed \ub808\ubca8\uc744 \uc0ac\uc6a9\ud558\uace0 NRZ\ub294 \ub450 \uac1c\ub9cc \uc0ac\uc6a9\ud558\uae30 \ub54c\ubb38\uc5d0 PAM4 \ub300 NRZ\uac00 \uc911\uc694\ud569\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c\uac00 \ube68\ub77c\uc9c8\uc218\ub85d PAM4 \ubcc0\uc870 \ubc29\uc2dd\uc740 \ub370\uc774\ud130 \uc804\uc1a1\uc744 \ub354 \ube60\ub974\uace0 \ud6a8\uacfc\uc801\uc73c\ub85c \uc218\ud589\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 \uc8fc\uc694 \uc694\uc57d<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>PAM4<\/strong> \uac01 \uc2ec\ubcfc\uc5d0 \ub450 \ube44\ud2b8\ub97c \uc804\uc1a1\ud569\ub2c8\ub2e4. \ub124 \uac1c\uc758 \uc804\uc555 \ub808\ubca8\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub370\uc774\ud130 \uc804\uc1a1 \uc18d\ub3c4\uac00 NRZ\uc758 \ub450 \ubc30\uac00 \ub429\ub2c8\ub2e4. NRZ\ub294 \uc2ec\ubcfc\ub2f9 \ud55c \ube44\ud2b8\ub9cc \uc804\uc1a1\ud558\uba70, \ub2e8 \ub450 \uac1c\uc758 \uc804\uc555 \ub808\ubca8\ub9cc \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p><\/li><li><p><strong>outer OMA<\/strong> \ub354 \uac15\ub825\ud55c \uc2e0\ud638\ub97c \uac16\uc2b5\ub2c8\ub2e4. \uc7a1\uc74c\uc774 \uc801\uace0 \uc804\ub825 \uc18c\ubaa8\uac00 \uc801\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc0ac\uc6a9\uc774 \uc6a9\uc774\ud558\uba70, \uc7a5\uac70\ub9ac \ub610\ub294 \uc800\uc18d \ub124\ud2b8\uc6cc\ud06c\uc5d0 \ub354 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p><\/li><li><p>PAM4\ub294 \uace0\uc18d \ub2e8\uac70\ub9ac \ub9c1\ud06c\uc5d0 \uac00\uc7a5 \uc801\ud569\ud569\ub2c8\ub2e4. 400G \uc774\ub354\ub137 \ubc0f \ub370\uc774\ud130\uc13c\ud130\uc5d0\uc11c \uc0ac\uc6a9\ub418\uba70, \ud2b9\uc218\ud55c \uc624\ub958 \uc815\uc815 \uae30\ub2a5\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \ub610\ud55c \ub354 \ub9ce\uc740 \uc804\ub825\uc744 \uc18c\ube44\ud569\ub2c8\ub2e4.<\/p><\/li><li><p>\ub124\ud2b8\uc6cc\ud06c \ud658\uacbd\uc5d0 \ub530\ub77c PAM4 \ub610\ub294 NRZ\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4. \uc18d\ub3c4, \uac70\ub9ac, \ube44\uc6a9, \ud5a5\ud6c4 \uc694\uad6c \uc0ac\ud56d \ub4f1\uc744 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p><\/li><li><p>\ub124\ud2b8\uc6cc\ud06c \ub0b4\uc5d0\uc11c PAM4\uc640 NRZ\ub97c \ubaa8\ub450 \uc0ac\uc6a9\ud558\uba74 \uc720\ub9ac\ud569\ub2c8\ub2e4. \uc774\ub294 \uc18d\ub3c4\uc640 \uc2e0\ub8b0\uc131 \uc0ac\uc774\uc758 \uade0\ud615\uc744 \ub9de\ucd94\uace0, \ud5a5\ud6c4 \uc5c5\uadf8\ub808\uc774\ub4dc\ub97c \uc900\ube44\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 \ubcc0\uc870\uc758 \uae30\ubcf8 \uc6d0\ub9ac<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >NRZ\ub780 \ubb34\uc5c7\uc778\uac00?<\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"486\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ce3795470145420dba9b9d02e500e6f1.webp\" alt=\"NRZ encoding\" class=\"wp-image-5808\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ce3795470145420dba9b9d02e500e6f1.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ce3795470145420dba9b9d02e500e6f1-300x122.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ce3795470145420dba9b9d02e500e6f1-1024x415.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ce3795470145420dba9b9d02e500e6f1-768x311.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ce3795470145420dba9b9d02e500e6f1-18x7.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/understanding-non-return-to-zero-in-digital-communication\/\"><strong>outer OMA<\/strong><\/a> \ub294 \uc2e0\ud638\ub97c \uc804\uc1a1\ud558\ub294 \uac04\ub2e8\ud55c \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc774\ub294 <strong>\ube44\uadc0\ud658 0(non-return to zero)\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/strong>. \uc774 \ubc29\uc2dd\uc740 \uc774\uc9c4 \ub370\uc774\ud130\ub97c \ud45c\uc2dc\ud558\uae30 \uc704\ud574 \ub450 \uac00\uc9c0 \uc804\uc555\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \u20181\u2019\uc740 \uace0\uc804\uc555\uc774\uace0, \u20180\u2019\uc740 \uc800\uc804\uc555\uc785\ub2c8\ub2e4. \uc2e0\ud638\ub294 \ube44\ud2b8 \uac04\uc5d0 0\uc73c\ub85c \ubcf5\uadc0\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc774\ud574\uac00 \uc6a9\uc774\ud574\uc9d1\ub2c8\ub2e4. \ub2e8\uadf9\uc131 NRZ\uc5d0\uc11c\ub294 \u20181\u2019\uc774 \uc591\uc758 \uc804\uc555\uc774\uace0 \u20180\u2019\uc774 0\ubcfc\ud2b8\uc785\ub2c8\ub2e4. \uc591\uadf9\uc131 NRZ\uc5d0\uc11c\ub294 \uc2e0\ud638\uac00 \uc591\uc804\uc555\uacfc \uc74c\uc804\uc555 \uc0ac\uc774\ub97c \uc804\ud658\ud569\ub2c8\ub2e4. <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px 0px 4px;\"><strong>\ub450 \uc218\uc900:<\/strong> \uc774 \ubc29\uc2dd\uc740 \ub450 \uac1c\uc758 \uad6c\ubcc4\ub418\ub294 \uc804\uc555(\uc804\uae30\uc801) \ub610\ub294 \uad11 \uac15\ub3c4(\uad11\ud559\uc801) \uc218\uc900\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p><ul><li><p style=\"margin: 0px;\">\uace0\uc218\uc900\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ub17c\ub9ac\uc801 \u20181\u2019\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\">\uc800\uc218\uc900\uc740 \ub17c\ub9ac\uc801 \u20180\u2019\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p><\/li><\/ul><\/li><li><p style=\"margin: 0px;\"><strong>\uac04\ub2e8\ud55c \ub3d9\uc791:<\/strong> \uac01 \uc2ec\ubcfc \uae30\uac04\uc5d0\ub294 \u20181\u2019 \ub610\ub294 \u20180\u2019 \uc911 \ud558\ub098\uac00 \uc804\uc1a1\ub429\ub2c8\ub2e4. \ub3d9\uc77c\ud55c \uac12\uc758 \ube44\ud2b8 \uc0ac\uc774\uc5d0\uc11c \uc2e0\ud638\ub294 \uc911\ub9bd\uc801\uc778 \u201c0\u201d \uc0c1\ud0dc\ub85c \ubcf5\uadc0\ud558\uc9c0 \uc54a\uc73c\uba70, \uc774\uac83\uc774 \ubc14\ub85c \u201c\ube44\uadc0\ud658 0(Non-Return to Zero)\u201d\uc774\ub77c\ub294 \uba85\uce6d\uc758 \uc720\ub798\uc785\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\uc7a5\uc810:<\/strong> \ub2e8\uc21c\uc131 \ub355\ubd84\uc5d0 NRZ\ub294 \ub0b4\uad6c\uc131\uc774 \ub6f0\uc5b4\ub098\uace0 \uad6c\ud604\uc774 \ube44\uad50\uc801 \uc6a9\uc774\ud558\uba70, \ub0ae\uc740 \uc804\ub825 \uc18c\ube44\uc640 \ub35c \ubcf5\uc7a1\ud55c \uc2e0\ud638 \ucc98\ub9ac \uc694\uad6c \uc0ac\ud56d\uc744 \uac16\uc2b5\ub2c8\ub2e4. \ub610\ud55c \ub0ae\uc740 \ub370\uc774\ud130 \uc804\uc1a1\ub960\uc5d0\uc11c\ub294 \ud0c1\uc6d4\ud55c \uc2e0\ud638 \ubb34\uacb0\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\ud55c\uacc4:<\/strong> \uadf8\ub7ec\ub098 \ud6a8\uc728\uc131\uc5d0\ub294 \ud55c\uacc4\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ub370\uc774\ud130 \uc804\uc1a1\ub960\uc744 \ub450 \ubc30\ub85c \ub298\ub9ac\ub824\uba74 \uc2ec\ubcfc \uc804\uc1a1\ub960(\ubcf4\ub4dc\uc728)\ub3c4 \ub450 \ubc30\ub85c \uc99d\uac00\uc2dc\ucf1c\uc57c \ud569\ub2c8\ub2e4. \ubcf4\ub4dc\uc728\uc744 \ub450 \ubc30\ub85c \ub192\uc774\uba74 \ucc44\ub110 \uc190\uc2e4, \uc7a1\uc74c, \ud06c\ub85c\uc2a4\ud1a0\ud06c\ub85c \uc778\ud55c \uc2e0\ud638 \uc65c\uace1\uc774 \ud06c\uac8c \uc99d\uac00\ud558\uc5ec, \uc8fc\ub958 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c\ub294 \uc57d 25~28 \uae30\uac00\ubcf4\ub4dc\/\ub808\uc778\uc744 \ucd08\uacfc\ud558\uae30 \uc5b4\ub824\uc6cc\uc9d1\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >PAM4\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"516\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8766e10c7cab415784322b28ebf4f58b.webp\" alt=\"PAM4 encoding\" class=\"wp-image-5809\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8766e10c7cab415784322b28ebf4f58b.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8766e10c7cab415784322b28ebf4f58b-300x129.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8766e10c7cab415784322b28ebf4f58b-1024x440.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8766e10c7cab415784322b28ebf4f58b-768x330.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8766e10c7cab415784322b28ebf4f58b-18x8.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/what-is-pam4-four-level-pulse-amplitude-modulation-basics\/\"><strong>PAM4<\/strong><\/a> \ub354 \ub9ce\uc740 \ub370\uc774\ud130\ub97c \ub3d9\uc2dc\uc5d0 \uc804\uc1a1\ud558\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4. \uc774\ub294 <strong>4\ub808\ubca8 \ud384\uc2a4 \uc9c4\ud3ed \ubcc0\uc870(pulse amplitude modulation 4-level)\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/strong>. \uc774 \ubc29\uc2dd\uc740 \ub124 \uac00\uc9c0 \uc804\uc555 \ub808\ubca8\uc744 \uc0ac\uc6a9\ud558\uc5ec \uac01 \uc2ec\ubcfc\uc5d0 \ub450 \ube44\ud2b8\ub97c \ud45c\ud604\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub3d9\uc77c\ud55c \uc2dc\uac04 \ub0b4\uc5d0 NRZ\ubcf4\ub2e4 \ub450 \ubc30 \ub9ce\uc740 \ub370\uc774\ud130\ub97c \uc804\uc1a1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. PAM4\ub294 \ub300\uc5ed\ud3ed \ud65c\uc6a9 \ud6a8\uc728\uc744 \ub192\uc774\ub294 \ud384\uc2a4 \uc9c4\ud3ed \ubcc0\uc870(PAM)\uc758 \uc77c\uc885\uc785\ub2c8\ub2e4. PAM4\uc758 \uac01 \uc2ec\ubcfc\uc740 00, 01, 10, 11\uacfc \uac19\uc740 \ube44\ud2b8 \uc30d\uc744 \ub098\ud0c0\ub0b4\uba70, \ucd94\uac00 \ucc44\ub110 \ub300\uc5ed\ud3ed \uc5c6\uc774 \ub354 \ub9ce\uc740 \ub370\uc774\ud130\ub97c \uc804\uc1a1\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\ub124 \uc218\uc900:<\/strong> PAM4\ub294 <em>\ub124<\/em> \uac1c\uc758 \uad6c\ubcc4\ub418\ub294 \uc804\uc555 \ub610\ub294 \uad11 \uac15\ub3c4 \uc218\uc900\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px 0px 4px;\"><strong>\uc2ec\ubcfc\ub2f9 \ub450 \ube44\ud2b8:<\/strong> \uac01 \uc2ec\ubcfc \uae30\uac04\uc740 \uc774\uc81c <em>\ub450 \uac1c\uc758<\/em> \ube44\ud2b8\uc758 \uc815\ubcf4\ub97c \uc804\ub2ec\ud569\ub2c8\ub2e4:<\/p><ul><li><p style=\"margin: 0px;\">\ub808\ubca8 0: \u201900\u2019<\/p><\/li><li><p style=\"margin: 0px;\">\ub808\ubca8 1: \u201901\u2019<\/p><\/li><li><p style=\"margin: 0px;\">\ub808\ubca8 2: \u201910\u2019<\/p><\/li><li><p style=\"margin: 0px;\">\ub808\ubca8 3: \u201911\u2019<\/p><\/li><\/ul><\/li><li><p style=\"margin: 0px;\"><strong>\ud6a8\uc728\uc131 \ub450 \ubc30 \uc99d\uac00:<\/strong> \uc2ec\ubcfc\ub2f9 \ub450 \ube44\ud2b8\ub97c \uc804\uc1a1\ud568\uc73c\ub85c\uc368, PAM4\ub294 \ub3d9\uc77c\ud55c \ubcf4\ub4dc\uc728\uc5d0\uc11c NRZ\uc758 \ub450 \ubc30 \ub370\uc774\ud130 \uc804\uc1a1\ub960\uc744 \ub2ec\uc131\ud569\ub2c8\ub2e4. <em>\ub3d9\uc77c\ud55c \ubcf4\ub4dc\uc728\uc5d0\uc11c<\/em>. 28Gbps\uc758 PAM4 \uc2e0\ud638\ub294 \ub808\uc778\ub2f9 \ucd08\ub2f9 56\uae30\uac00\ube44\ud2b8(Gbps)\ub97c \uc804\ub2ec\ud558\uba70, \ubc18\uba74 NRZ\ub294 \ud574\ub2f9 \ubcf4\ub4dc\ub808\uc774\ud2b8\uc5d0\uc11c \ub2e8\uc9c0 28Gbps\ub9cc \uc804\ub2ec\ud569\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px 0px 4px;\"><strong>\uacfc\uc81c:<\/strong> \uc774 \ud6a8\uc728\uc131\uc740 \ube44\uc6a9\uc744 \uc218\ubc18\ud569\ub2c8\ub2e4:<\/p><ul><li><p style=\"margin: 0px;\"><strong>\uc2e0\ud638 \ub300 \uc7a1\uc74c \ube44(SNR) \uac10\uc18c:<\/strong> PAM4\uc758 \ub124 \uac1c \uc804\uc555 \ub808\ubca8\uc740 NRZ\uc758 \ub450 \uac1c \ub808\ubca8\ubcf4\ub2e4 \uc11c\ub85c \ub354 \uac00\uae5d\uc2b5\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 \uc2e0\ud638\uac00 \uc7a1\uc74c, \uc65c\uace1, \uac04\uc12d\uc5d0 \ud6e8\uc52c \ubbfc\uac10\ud574\uc9d1\ub2c8\ub2e4. \uc791\uc740 \uc7a1\uc74c \uc5ec\uc720\ub294 \ub808\ubca8\uc744 \ub4a4\ubc14\uafb8\uc5b4 \uc624\ub958\ub97c \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\uc99d\uac00\ub41c \ubcf5\uc7a1\uc131:<\/strong> PAM4\ub294 \uac15\ub825\ud55c <span class=\"math\">\u2026<\/span> \ubc0f \ub4dc\ub77c\uc774\ubc84\uc640 \uc218\uc2e0\uae30\uc758 \uc815\ubc00\ud55c \uc120\ud615\uc131\uc744 \ud3ec\ud568\ud55c \ud6e8\uc52c \uc815\uad50\ud55c \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \uc124\uacc4\ub97c \uc694\uad6c\ud569\ub2c8\ub2e4. <strong>\uc21c\ubc29\ud5a5 \uc624\ub958 \uc815\uc815(FEC)<\/strong>, \uace0\uae09 \uae30\ub2a5 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/digital-signal-processor-functionality-in-optical-transceivers\/\"><strong>DSP(\ub514\uc9c0\ud138 \uc2e0\ud638 \ucc98\ub9ac)<\/strong><\/a>, \uc774\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc131\uc219\ud55c NRZ \uc124\uacc4\uc5d0 \ube44\ud574 \ube44\ud2b8\ub2f9 \uc804\ub825 \uc18c\ube44\uac00 \uc99d\uac00\ud568\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p><\/li><\/ul><\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\ucc38\uace0: PAM4\ub294 \ub354 \ub9ce\uc740 \uc804\uc555 \ub808\ubca8\uc744 \uac00\uc9c0\ubbc0\ub85c \ub808\ubca8 \uac04 \uac04\uaca9\uc774 \uc791\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c PAM4 \uc2e0\ud638\ub294 NRZ\ubcf4\ub2e4 \uc7a1\uc74c\uc5d0 \uc758\ud574 \uc27d\uac8c \uc65c\uace1\ub429\ub2c8\ub2e4.<\/p><\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" >\ubcc0\uc870\uac00 \uc911\uc694\ud55c \uc774\uc720<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/what-is-optical-modulation-and-how-it-works-explained\/\"><strong>\ubcc0\uc870<\/strong><\/a> \ub514\uc9c0\ud138 \ub370\uc774\ud130\ub97c \uad6c\ub9ac\uc120 \ub610\ub294 \uad11\uc12c\uc720\ub97c \ud1b5\ud574 \uc804\uc1a1\ud558\ub824\uba74 <span class=\"math\">\u2026<\/span>\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \uc774\ub294 \uc2e0\ud638\ub97c \ubcc0\uacbd\ud558\uc5ec \uc7a5\uac70\ub9ac \uc804\uc1a1 \uc2dc \ubb38\uc81c\ub97c \uc904\uc774\uace0 \uc548\uc815\uc801\uc73c\ub85c \uc804\ub2ec\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4. \uace0\uc18d \ub370\uc774\ud130\uc758 \uacbd\uc6b0, \ub9c8\ud558-\uc820\ub354(Mach-Zehnder) \ubcc0\uc870\uae30\uc640 \uac19\uc740 \uc678\ubd80 \ubcc0\uc870 \ub3c4\uad6c\uac00 \uc2e0\ud638 \uac15\ub3c4\ub97c \uc720\uc9c0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \ud384\uc2a4 \uc9c4\ud3ed \ubcc0\uc870(PAM) \ubc0f \uae30\ud0c0 \uc2e0\ud638 \ubcc0\uc870 \ubc29\uc2dd\uc740 \uc18d\ub3c4, \ud6a8\uc728\uc131, \uc2e0\ub8b0\uc131 \uc0ac\uc774\uc5d0\uc11c \ucd5c\uc801\uc758 \uade0\ud615\uc744 \uc120\ud0dd\ud560 \uc218 \uc788\ub3c4\ub85d \ud574\uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 \uc544\uc774 \ub2e4\uc774\uc5b4\uadf8\ub7a8 \ubc0f \uc2e0\ud638 \ubb34\uacb0\uc131<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >NRZ \uc544\uc774 \ub2e4\uc774\uc5b4\uadf8\ub7a8<\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"659\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e1f1ed087d5b4594a6e4af41382f1e6e.webp\" alt=\"NRZ eye diagram\" class=\"wp-image-5810\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e1f1ed087d5b4594a6e4af41382f1e6e.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e1f1ed087d5b4594a6e4af41382f1e6e-300x165.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e1f1ed087d5b4594a6e4af41382f1e6e-1024x562.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e1f1ed087d5b4594a6e4af41382f1e6e-768x422.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e1f1ed087d5b4594a6e4af41382f1e6e-18x10.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"math\">\u2026<\/span>\ub97c \uc0b4\ud3b4\ubcfc \ub54c, <strong>NRZ \uc544\uc774 \ub2e4\uc774\uc5b4\uadf8\ub7a8<\/strong>, \uc740 \uc2e0\ud638 \ub3d9\uc791 \ubc29\uc2dd\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. 0\uacfc 1\uc744 \uac01\uac01 \ub098\ud0c0\ub0b4\ub294 \ub450 \uac1c\uc758 \uc8fc\uc694 \uc804\uc555 \ub808\ubca8\uc774 \uc788\uc73c\uba70, \uc774\ub294 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0\uc11c \ud06c\uace0 \uc5f4\ub9b0 \u201c\uc544\uc774\u201d \ud615\ud0dc\ub97c \ub9cc\ub4ed\ub2c8\ub2e4. \uc5f4\ub9b0 \uc544\uc774\ub294 \uc2e0\ud638\uac00 \uac15\ud558\uace0 \uc7a1\uc74c\uc5d0 \uc758\ud574 \uc27d\uac8c \uc65c\uace1\ub418\uc9c0 \uc54a\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub450 \uac1c\uc758 \uba85\ud655\ud55c \uc804\uc555 \ub808\ubca8\uc774 \ubcf4\uc774\ubbc0\ub85c 0\uacfc 1\uc744 \uc27d\uac8c \uad6c\ubd84\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li><li><p>\ub113\uc740 \uc544\uc774 \uac1c\ubc29 \ud3ed\uc740 \uc2e0\ud638\uac00 \uac15\ud558\uba70 \uac70\uc758 \ubcc0\ud558\uc9c0 \uc54a\uc74c\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p><\/li><li><p>\ub808\ubca8 \uac04 \ubd80\ub4dc\ub7ec\uc6b4 \uc804\ud658\uc740 \ud0c0\uc774\ubc0d \ucd94\uc801\uc744 \uc6a9\uc774\ud558\uac8c \ud558\uace0 \uc624\ub958\ub97c \uc904\uc785\ub2c8\ub2e4.<\/p><\/li><li><p>\uc544\uc774\uc758 \ub192\uc740 \ubd80\ubd84\uc740 \uc2e0\ud638\uac00 \uacac\ub51c \uc218 \uc788\ub294 \uc7a1\uc74c\uc758 \uc591\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p><\/li><li><p>\ub113\uc740 \ubd80\ubd84\uc740 \ud0c0\uc774\ubc0d \uc9c0\ud130\ub098 \uc2ec\ubcfc \uac04 \uac04\uc12d(ISI)\uc774 \uc788\ub294\uc9c0\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p><\/li><li><p>\ub354 \ud070 \uc544\uc774\ub294 \uc624\ub958\uac00 \uc801\uace0 \ud0c0\uc774\ubc0d \uc124\uc815\uc774 \uc26c\uc6c0\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p><\/li><li><p>\uc544\uc774\uac00 \uc791\uc544\uc9c8 \uacbd\uc6b0, \uc7a1\uc74c\uc774\ub098 \uae30\ud0c0 \ubb38\uc81c\uac00 \uc2e0\ud638 \ud488\uc9c8\uc744 \uc800\ud558\uc2dc\ud0a4\uace0 \uc788\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">NRZ \uc544\uc774 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc740 \ub2e8\uc21c\ud558\uba70 PAM4\ubcf4\ub2e4 \ubcf5\uc7a1\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 NRZ\ub294 \ub370\uc774\ud130\ub97c \uc548\uc804\ud558\uac8c \uc720\uc9c0\ud558\ub824 \ud560 \ub54c \ub354 \uac15\ub825\ud558\uace0 \uc0ac\uc6a9\ud558\uae30 \ub354 \uc27d\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >PAM4 \ub208 \ub3c4\ud45c<\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"602\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c1f23795d5d84753b9dee268ead913e6.webp\" alt=\" PAM4 eye diagram\" class=\"wp-image-5811\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c1f23795d5d84753b9dee268ead913e6.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c1f23795d5d84753b9dee268ead913e6-300x151.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c1f23795d5d84753b9dee268ead913e6-1024x514.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c1f23795d5d84753b9dee268ead913e6-768x385.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c1f23795d5d84753b9dee268ead913e6-18x9.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"highlight\">The<\/span> <strong>PAM4 \uc544\uc774 \ub2e4\uc774\uc5b4\uadf8\ub7a8<\/strong> NRZ \uc544\uc774 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uacfc \ub3d9\uc77c\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub450 \uc218\uc900\uc774 \uc544\ub2c8\ub77c \ub124 \uac00\uc9c0 \uc11c\ub85c \ub2e4\ub978 \uc218\uc900\uc744 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uac01 \uc218\uc900\uc740 \uc11c\ub85c \ub2e4\ub978 2\ube44\ud2b8 \uc30d\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc218\uc900 \uac04 \uac04\uaca9\uc774 \uc881\uc544 \uc544\uc774 \uc624\ud504\ub2dd\uc774 \uc791\uace0 \uc911\ucca9\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 PAM4 \uc2e0\ud638\ub294 \uc7a1\uc74c\uc5d0 \uc758\ud574 \uc65c\uace1\ub418\uae30 \uc26c\uc6cc\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PAM4\uc758 \uc791\uc740 \uc544\uc774 \uc624\ud504\ub2dd\uc73c\ub85c \uc778\ud574 \uc7a1\uc74c\uc744 \uacac\ub514\ub294 \ub2a5\ub825\uc774 \ub0ae\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc544\uc774 \ud06c\uae30\uac00 \uc791\uae30 \ub54c\ubb38\uc5d0 \ud0c0\uc774\ubc0d\uc744 \uc815\ud655\ud788 \ucd94\uc801\ud558\uae30\ub3c4 \uc5b4\ub835\uc2b5\ub2c8\ub2e4. \uacfc\ub3c4\ud55c \uc7a1\uc74c\uc774 \ubc1c\uc0dd\ud558\uba74 \uc911\ucca9\ub41c \uc544\uc774\ub4e4\uc774 \ud63c\ud569\ub418\uc5b4 \uc624\ub958\uac00 \ub354 \ub9ce\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. PAM4 \uc2e0\ud638\ub97c \uba85\ud655\ud558\uac8c \uc720\uc9c0\ud558\ub824\uba74 \uc624\ub958\ub97c \uc218\uc815\ud558\uace0 \uc2e0\ud638\ub97c \uc815\uc81c\ud558\ub294 \ud2b9\uc218 \ub3c4\uad6c\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub450 \ubc29\uc2dd\uc744 \ube44\uad50\ud574 \ubcf4\uba74, NRZ\ub294 \ub354 \uae68\ub057\ud558\uace0 \ud070 \uc544\uc774 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ubc18\uba74 PAM4\ub294 \ub354 \ub9ce\uc740 \ub370\uc774\ud130\ub97c \uc804\uc1a1\ud560 \uc218 \uc788\uc9c0\ub9cc, \uc2e0\ud638\ub97c \uc8fc\uc758 \uae4a\uac8c \uad00\ucc30\ud558\uace0 \uc624\ub958\ub97c \ucd5c\uc18c\ud654\ud558\uae30 \uc704\ud574 \ucd94\uac00\uc801\uc778 \uc9c0\uc6d0\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 \uc5b4\ub514\uc11c \ube5b\uc744 \ubc1c\ud558\ub098\uc694? \uc801\uc6a9 \ubd84\uc57c \uc911\uc2ec<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>2\uac1c \ub808\ubca8, \uc2ec\ubcfc\ub2f9 1\ube44\ud2b8.<\/strong> \uc5ec\uc804\ud788 \ub2e8\uc21c\uc131, \uc804\ub825 \ud6a8\uc728\uc131 \ubc0f \ube44\uc6a9 \ud6a8\uc728\uc131\uc774 \ud575\uc2ec\uc778 \u226425Gbps\/\ub808\uc778 \ub370\uc774\ud130 \uc804\uc1a1 \uc18d\ub3c4 \ud658\uacbd\uc5d0\uc11c \ucd5c\uace0\uc758 \uc9c0\uc704\ub97c \ucc28\uc9c0\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, 10 \uae30\uac00\ube44\ud2b8 \uc774\ub354\ub137(10GbE), \uc11c\ubc84 \uc5f0\uacb0\uc6a9 25 \uae30\uac00\ube44\ud2b8 \uc774\ub354\ub137(25GbE), \uadf8\ub9ac\uace0 \uae30\uc874 \uc2dc\uc2a4\ud15c \ub4f1\uc774 \uc5ec\uae30\uc5d0 \ud574\ub2f9\ud569\ub2c8\ub2e4. \ub9ce\uc740 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>\uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/strong><\/a> \uc885\ub958\uac00 \uc788\uc73c\uba70, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\"><strong>SFP+<\/strong><\/a> (10G\/25G) \ubc0f <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-27045-100g-qsfp28-sfp-dd.htm\"><strong>QSFP28<\/strong><\/a> (4\u00d725G=100G)\ub294 NRZ\ub97c \ud65c\uc6a9\ud569\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px 0px 4px;\"><strong>4\uac1c\uc758 \uad6c\ubd84\ub41c \uc2e0\ud638 \ub808\ubca8\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc2ec\ubcfc\ub2f9 2\ube44\ud2b8(00, 01, 10, 11)\ub97c \uc804\uc1a1.<\/strong> 50Gbps\/\ub808\uc778 \uc774\uc0c1\uc758 \uace0\ubc00\ub3c4\u00b7\uace0\ub300\uc5ed\ud3ed \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \uc555\ub3c4\uc801\uc778 \uc6b0\uc704\ub97c \uc810\ud558\ub294 \uae30\uc220\uc785\ub2c8\ub2e4. \ub2e4\uc74c \ubd84\uc57c\uc758 \ud575\uc2ec \uae30\ubc18 \uae30\uc220\uc785\ub2c8\ub2e4:<\/p><ul><li><p style=\"margin: 0px;\">100 \uae30\uac00\ube44\ud2b8 \uc774\ub354\ub137(100GbE \u2013 2\uac1c\uc758 50G PAM4 \ub808\uc778 \uc0ac\uc6a9)<\/p><\/li><li><p style=\"margin: 0px;\">200 \uae30\uac00\ube44\ud2b8 \uc774\ub354\ub137(200GbE \u2013 4\u00d750G PAM4)<\/p><\/li><li><p style=\"margin: 0px;\">400 \uae30\uac00\ube44\ud2b8 \uc774\ub354\ub137(400GbE \u2013 8\u00d750G PAM4 \ub610\ub294 4\u00d7100G PAM4)<\/p><\/li><li><p style=\"margin: 0px;\">800 \uae30\uac00\ube44\ud2b8 \uc774\ub354\ub137(800GbE \u2013 8\u00d7100G PAM4)<\/p><\/li><li><p style=\"margin: 0px;\">AI\/ML \ud074\ub7ec\uc2a4\ud130 \ubc0f \uace0\uc131\ub2a5 \ucef4\ud4e8\ud305(HPC) \uc778\ud130\ucee4\ub125\ud2b8.<\/p><\/li><\/ul><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 PAM4\uc640 NRZ \uc911 \uc120\ud0dd\ud558\uae30<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PAM4\uc640 NRZ \uc911 \ud558\ub098\ub97c \uc120\ud0dd\ud560 \ub54c\ub294 \uba87 \uac00\uc9c0 \uc8fc\uc694 \uc694\uc18c\ub97c \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \uac01 \ubc29\uc2dd\uc740 \uc11c\ub85c \ub2e4\ub978 \uc6a9\ub3c4\uc5d0 \uc801\ud569\ud558\uba70, \uc18d\ub3c4, \ube44\uc6a9, \ub124\ud2b8\uc6cc\ud06c \ud655\uc7a5 \uac00\ub2a5\uc131 \ub4f1 \uadc0\ud558\uc758 \uc694\uad6c \uc0ac\ud56d\uc5d0 \uac00\uc7a5 \ubd80\ud569\ud558\ub294 \ubc29\uc2dd\uc744 \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uace0\ub824\ud574\uc57c \ud560 \uc8fc\uc694 \uc0ac\ud56d\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\uc18d\ub3c4 \uc694\uad6c \uc0ac\ud56d<\/strong>: \ub124\ud2b8\uc6cc\ud06c \uc18d\ub3c4\uac00 400G \uc774\uc0c1\ucc98\ub7fc \ub9e4\uc6b0 \ube60\ub974\uac8c \uc694\uad6c\ub420 \uacbd\uc6b0, PAM4\ub294 \ub3d9\uc77c\ud55c \uacf5\uac04\uc5d0\uc11c \ub450 \ubc30 \ub9ce\uc740 \ub370\uc774\ud130\ub97c \uc804\uc1a1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. NRZ\ub294 \uc18d\ub3c4 \uc694\uad6c\uac00 \ub0ae\uc740 \ube44\uad50\uc801 \ub290\ub9b0 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \ub354 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p><\/li><li><p><strong>\uc2e0\ud638 \ud488\uc9c8<\/strong>: NRZ\ub294 \ub450 \uac1c\uc758 \uc804\uc555 \ub808\ubca8\uc744 \uc0ac\uc6a9\ud558\ubbc0\ub85c \uc7a1\uc74c\uc5d0 \uac15\ud574 \uc624\ub958\uac00 \uc801\uace0 \uc2e0\ud638\uac00 \ub354 \uba85\ud655\ud569\ub2c8\ub2e4. PAM4\ub294 \ub124 \uac1c\uc758 \ub808\ubca8\uc744 \uc0ac\uc6a9\ud558\ubbc0\ub85c \uc7a1\uc74c\uc73c\ub85c \uc778\ud574 \uc2e0\ud638 \uc65c\uace1\uc774 \ub354 \uc27d\uac8c \ubc1c\uc0dd\ud558\uba70, \uc624\ub958 \uc815\uc815\uc744 \uc704\ud574 \ud2b9\uc218 \ub3c4\uad6c\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p><\/li><li><p><strong>\ud558\ub4dc\uc6e8\uc5b4 \ubc0f \ube44\uc6a9<\/strong>: NRZ \ubd80\ud488\uc740 \ub2e8\uc21c\ud558\uc5ec \ube44\uc6a9\uc774 \ub0ae\uc2b5\ub2c8\ub2e4. \ubc18\uba74 PAM4\ub294 \ub354 \ub9ce\uc740 \ubd80\ud488\uacfc \ud2b9\uc218 \uce69\uc774 \ud544\uc694\ud558\ubbc0\ub85c \ube44\uc6a9\uc774 \ub192\uc2b5\ub2c8\ub2e4. \ube44\uc6a9 \uc808\uac10\uacfc \uac04\ud3b8\ud568\uc744 \uc6d0\ud55c\ub2e4\uba74 NRZ\uac00 \ud604\uba85\ud55c \uc120\ud0dd\uc785\ub2c8\ub2e4.<\/p><\/li><li><p><strong>\uc804\ub825 \uc0ac\uc6a9\ub7c9<\/strong>: NRZ\ub294 \ucd94\uac00 \ucc98\ub9ac\uac00 \ud544\uc694 \uc5c6\uc5b4 \uc5d0\ub108\uc9c0 \uc18c\ube44\uac00 \uc801\uc2b5\ub2c8\ub2e4. PAM4\ub294 \uc2e0\ud638\ub97c \uba85\ud655\ud788 \uc720\uc9c0\ud558\uae30 \uc704\ud574 \ub354 \ub9ce\uc740 \uc5d0\ub108\uc9c0\ub97c \uc18c\ube44\ud569\ub2c8\ub2e4.<\/p><\/li><li><p><strong>\uac70\ub9ac<\/strong>: \uc7a5\uac70\ub9ac \ub370\uc774\ud130 \uc804\uc1a1\uc774 \ud544\uc694\ud560 \uacbd\uc6b0 NRZ\uac00 \ub354 \uc6b0\uc218\ud569\ub2c8\ub2e4. PAM4\ub294 \ub370\uc774\ud130 \uc13c\ud130 \ub0b4\ubd80\uc640 \uac19\uc740 \ub2e8\uac70\ub9ac \ub9c1\ud06c\uc5d0 \ucd5c\uc801\ud654\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li><li><p><strong>\ud5a5\ud6c4 \ud655\uc7a5\uc131<\/strong>: \ub098\uc911\uc5d0 \ub124\ud2b8\uc6cc\ud06c \uc18d\ub3c4\ub97c \ub354\uc6b1 \ub192\uc774\uace0\uc790 \ud560 \uacbd\uc6b0, PAM4\ub294 \ub354 \ub192\uc740 \uc18d\ub3c4\uc640 \uc0c8\ub85c\uc6b4 \ud45c\uc900\uc744 \uc9c0\uc6d0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \ucc28\uc774\uc810\uc744 \ub2e4\uc74c \ud45c\uc5d0\uc11c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\uc694\uc778<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>NRZ \ud2b9\uc131<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>PAM4 \ud2b9\uc131<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\ub370\uc774\ud130 \uc804\uc1a1 \uc18d\ub3c4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud074\ub85d \uc0ac\uc774\ud074\ub2f9 1\ube44\ud2b8<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud074\ub85d \uc0ac\uc774\ud074\ub2f9 2\ube44\ud2b8(\ub300\uc5ed\ud3ed 2\ubc30)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uc2e0\ud638 \ub300 \uc7a1\uc74c\ube44(SNR)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub192\uc74c, \uc7a1\uc74c\uc5d0 \ub35c \ubbfc\uac10<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub0ae\uc74c, \uc7a1\uc74c\uc5d0 \ub354 \ubbfc\uac10<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/understanding-what-is-bit-error-rate\/\"><strong>\ube44\ud2b8 \uc624\ub958\uc728(BER)<\/strong><\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub0ae\uc74c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub192\uc74c, \uc624\ub958 \uc815\uc815 \ud544\uc694<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\ud558\ub4dc\uc6e8\uc5b4 \ubcf5\uc7a1\ub3c4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub2e8\uc21c\ud558\uace0 \uacbd\uc81c\uc801<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ubcf5\uc7a1\ud558\uace0 \ube44\uc6a9\uc774 \ub192\uc74c<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uc804\ub825 \uc18c\ube44<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub0ae\uc74c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub192\uc74c<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uc804\uc1a1 \uac70\ub9ac<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub354 \uae34 \uac70\ub9ac<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc9e7\uc74c<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\ud655\uc7a5\uc131<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud604\uc7ac \uc694\uad6c \uc0ac\ud56d\uc5d0 \uc801\ud569<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud5a5\ud6c4 \uc5c5\uadf8\ub808\uc774\ub4dc\uc5d0 \ub300\ube44\ub428<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\ud83d\udca1 <strong>\ud301:<\/strong> \ub290\ub9b0 \uc18d\ub3c4 \ub610\ub294 \uc7a5\uac70\ub9ac \ub9c1\ud06c\uc5d0 \ub300\ud574 \ub2e8\uc21c\ud558\uace0 \uc800\ub834\ud55c \uc194\ub8e8\uc158\uc744 \uc6d0\ud55c\ub2e4\uba74 NRZ\ub97c \uc120\ud0dd\ud558\uc138\uc694. \ucd5c\uace0 \uc18d\ub3c4\uc640 \ubbf8\ub798 \ub124\ud2b8\uc6cc\ud06c \uc131\uc7a5\uc744 \uc6d0\ud55c\ub2e4\uba74 PAM4\ub97c \uc120\ud0dd\ud558\uc138\uc694.<\/p><\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 LINK-PP \uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84: NRZ \ubc0f PAM4\ub85c \uc131\ub2a5\uc744 \uc81c\uacf5<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/99c1c5c4a1e24fe7ab4c7a9236a91630.webp\" alt=\"LINK-PP\" class=\"wp-image-5812\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/99c1c5c4a1e24fe7ab4c7a9236a91630.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/99c1c5c4a1e24fe7ab4c7a9236a91630-300x169.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/99c1c5c4a1e24fe7ab4c7a9236a91630-1024x576.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/99c1c5c4a1e24fe7ab4c7a9236a91630-768x432.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/99c1c5c4a1e24fe7ab4c7a9236a91630-18x10.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc801\uc808\ud55c <strong>\uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/strong> \ub124\ud2b8\uc6cc\ud06c \uc131\ub2a5\uc5d0 \uc788\uc5b4 <strong>\ud575\uc2ec\uc801<\/strong>\uc785\ub2c8\ub2e4. <strong>LINK-PP<\/strong> \ub2f9\uc0ac\ub294 NRZ\uc640 \uace0\uae09 PAM4 \ubcc0\uc870\ub97c \ubaa8\ub450 \uc9c0\uc6d0\ud558\ub294 \ud3ec\uad04\uc801\uc778 \uc81c\ud488\uad70\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>NRZ \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uacbd\uc6b0:<\/strong> \uc2e0\ub8b0\uc131 \uc788\uace0 \uacbd\uc81c\uc801\uc778 <strong>\uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/strong> \uc194\ub8e8\uc158\uc73c\ub85c, \ub2f9\uc0ac\uc758 <strong>LINK-PP SFP-25G-SR <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/473141.htm\"><strong>\uae30\uc220:<\/strong><\/a> \ub610\ub294 <strong>LINK-PP QSFP28-100G-SR4<\/strong> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/473115.htm\"><strong>LQ-M85100-SR4C<\/strong><\/a> \uc81c\ud488\uc740 10G, 25G \ubc0f 100G(4\u00d725G) \uad6c\ucd95 \ud658\uacbd\uc5d0\uc11c \ub808\uc778\ub2f9 25G\uc758 \uacac\uace0\ud55c NRZ \uc131\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px 0px 4px;\"><strong>\uace0\uc18d PAM4 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uacbd\uc6b0:<\/strong> \ub2f9\uc0ac\uc758 \ucca8\ub2e8 PAM4 <strong>\uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/strong> \ubaa8\ub4c8\uc740 \uc2e0\ud638 \ubb34\uacb0\uc131 \ubb38\uc81c\ub97c \uadf9\ubcf5\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4:<\/p><ul><li><p style=\"margin: 0px;\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/470377.htm\"><strong>LINK-PP LQD-CW400-DR4C:<\/strong><\/a> 4\u00d7100G PAM4\ub97c \uc0ac\uc6a9\ud558\ub294 400G \ub2e8\uac70\ub9ac \ub2e8\uc77c \ubaa8\ub4dc \uad11\uc12c\uc720\uc5d0 \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4.<\/p><\/li><\/ul><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>LINK-PP \uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \ubaa8\ub4c8<\/strong><\/a> \uc774 \ubaa8\ub4c8\uc740 \uc815\uad50\ud55c DSP\uc640 \uac15\ub825\ud55c FEC\ub97c \ucc44\ud0dd\ud558\uc5ec \uc5c4\uaca9\ud55c PAM4 \ud658\uacbd\uc5d0\uc11c\ub3c4 \uc2e0\ub8b0\uc131 \ub192\uace0 \uace0\uc131\ub2a5\uc758 \uc5f0\uacb0\uc744 \ubcf4\uc7a5\ud558\uba70, \ucc28\uc138\ub300 \ub370\uc774\ud130\uc13c\ud130 \ubc0f AI \uc778\ud504\ub77c\uc5d0 \ud544\uc218\uc801\uc778 \uc694\uc18c\uac00 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 \ubbf8\ub798\ub294 \ub2e4\uc911 \ub808\ubca8\ub85c \ud5a5\ud569\ub2c8\ub2e4<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">NRZ(\ub17c\ub9ac-\ub9ac\ud134 \ud22c \uc81c\ub85c)\ub294 \uc5ec\uc804\ud788 \uc911\uc694\ud558\uc9c0\ub9cc, \uace0\uc18d \ub124\ud2b8\uc6cc\ud0b9\uc758 \ubc1c\uc804 \ubc29\ud5a5\uc740 \ubd84\uba85\ud788 PAM4\ub85c \ud5a5\ud558\uace0 \uc788\uc73c\uba70, 1.6\ud14c\ub77c\ube44\ud2b8 \uc774\ub354\ub137 \ubc0f \uadf8 \uc774\uc0c1\uc744 \ud5a5\ud574 \ub098\uc544\uac00\uba74\uc11c PAM8 \ub610\ub294 PAM16\uacfc \uac19\uc740 \ub354\uc6b1 \ubcf5\uc7a1\ud55c \ubcc0\uc870 \ubc29\uc2dd\uc73c\ub85c\ub3c4 \ud655\uc7a5\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. PAM4\ub294 \ubcf4\ub4dc\ub808\uc774\ud2b8\ub97c \ub450 \ubc30\ub85c \uc99d\uac00\uc2dc\ud0a4\uc9c0 \uc54a\uace0\ub3c4 \ub370\uc774\ud130 \uc804\uc1a1\ub960\uc744 \ub450 \ubc30\ub85c \ub192\uc77c \uc218 \uc788\ub294 \ub2a5\ub825\uc744 \uac16\ucd94\uace0 \uc788\uc5b4 \uae30\uc874 \uad11\uc12c\uc720 \uc778\ud504\ub77c\ub97c \ucd5c\ub300\ud55c \ud65c\uc6a9\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc131\uacf5\uc801\uc778 PAM4 \uad6c\ucd95\uc740 \uace0\ud488\uc9c8 \ubd80\ud488\uacfc \uc815\uad50\ud55c <strong>\uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/strong> \uc124\uacc4\uc5d0 \ub2ec\ub824 \uc788\uc2b5\ub2c8\ub2e4\u2014\uc774 \ubc14\ub85c LINK-PP\uc640 \uac19\uc740 \ud601\uc2e0 \uae30\uc5c5\uc774 \ub6f0\uc5b4\ub09c \uc5ed\ub7c9\uc744 \ubc1c\ud718\ud558\ub294 \uc601\uc5ed\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uace0\uc18d \ub124\ud2b8\uc6cc\ud06c\ub97c \ucd5c\uc801\ud654\ud560 \uc900\ube44\uac00 \ub418\uc168\uc2b5\ub2c8\uae4c?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">NRZ \ub300\ube44 PAM4\ub97c \uc774\ud574\ud558\ub294 \uac83\uc740 \ud604\ub300 \uace0\ub300\uc5ed\ud3ed \ub124\ud2b8\uc6cc\ud06c\ub97c \uc124\uacc4\ud558\uace0 \uad00\ub9ac\ud558\ub294 \ub370 \uadfc\ubcf8\uc801\uc778 \uc0ac\ud56d\uc785\ub2c8\ub2e4. \uae30\uc874 \uc778\ud504\ub77c\ub97c \uc5c5\uadf8\ub808\uc774\ub4dc\ud558\ub4e0, \ucd5c\ucca8\ub2e8 AI \ud074\ub7ec\uc2a4\ud130\ub97c \uad6c\ucd95\ud558\ub4e0, \uc801\uc808\ud55c \ubcc0\uc870 \ubc29\uc2dd\uacfc \uc801\uc808\ud55c <strong>\uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/strong> \ud30c\ud2b8\ub108\ub97c \uc120\ud0dd\ud558\ub294 \uac83\uc774 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<div><div widgetid=\"3ef779ac451211f099380a58fbc66727\" format=\"embedded\" data-widget-id=\"3ef779ac451211f099380a58fbc66727\" data-mode=\"production.zh\" style=\"display: block;\"><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38(FAQ)<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >\uace0\uc18d \ub370\uc774\ud130 \uc804\uc1a1\uc5d0\uc11c PAM4\uac00 NRZ\ubcf4\ub2e4 \uc6b0\uc218\ud55c \uc774\uc720\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PAM4\ub294 \uc2ec\ubcfc\ub2f9 2\ube44\ud2b8\ub97c \uc804\uc1a1\ud558\ubbc0\ub85c \ub370\uc774\ud130 \uc804\uc1a1\ub960\uc774 \ub450 \ubc30\uac00 \ub429\ub2c8\ub2e4. \ubc18\uba74 NRZ\ub294 \uc2ec\ubcfc\ub2f9 1\ube44\ud2b8\ub9cc \uc804\uc1a1\ud569\ub2c8\ub2e4. PAM4\ub294 \ub124\ud2b8\uc6cc\ud06c \ub0b4\uc5d0\uc11c \ub354 \ub192\uc740 \uc18d\ub3c4\uac00 \ud544\uc694\ud55c \uacbd\uc6b0\uc5d0 \uac00\uc7a5 \ud6a8\uacfc\uc801\uc73c\ub85c \uc791\ub3d9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >PAM4\ub294 \ud56d\uc0c1 NRZ\ubcf4\ub2e4 \ub354 \ub9ce\uc740 \uc804\ub825\uc744 \uc18c\ube44\ud569\ub2c8\uae4c?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc73c\ub85c PAM4\ub294 \uc624\ub958 \uc815\uc815 \ubc0f \uc2e0\ud638 \ucc98\ub9ac\ub97c \uc704\ud574 \ucd94\uac00 \ud68c\ub85c\ub97c \uc0ac\uc6a9\ud558\ubbc0\ub85c \ub354 \ub9ce\uc740 \uc804\ub825\uc744 \ud544\uc694\ub85c \ud569\ub2c8\ub2e4. \ubc18\uba74 NRZ\ub294 \uc124\uacc4\uac00 \ub2e8\uc21c\ud558\ubbc0\ub85c \uc804\ub825 \uc18c\ube44\uac00 \uc801\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\uc124\uce58\uac00 \ub354 \uc26c\uc6b4 \uac83\uc740 PAM4\uc785\ub2c8\uae4c, \uc544\ub2c8\uba74 NRZ\uc785\ub2c8\uae4c?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">NRZ\uac00 \uc124\uce58\ud558\uae30 \ub354 \uc27d\uc2b5\ub2c8\ub2e4. \uac04\ub2e8\ud55c \ud558\ub4dc\uc6e8\uc5b4\ub97c \uc0ac\uc6a9\ud558\uba70 \uc870\uc815\uc774 \ub35c \ud544\uc694\ud569\ub2c8\ub2e4. \ubc18\uba74 PAM4\ub294 \uc7a1\uc74c \ubc0f \uc624\ub958\ub97c \ucc98\ub9ac\ud558\uae30 \uc704\ud574 \ub354 \ub9ce\uc740 \uc124\uc815\uacfc \uc138\uc2ec\ud55c \uc124\uacc4\uac00 \uc694\uad6c\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\ub3d9\uc77c\ud55c \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c PAM4\uc640 NRZ\ub97c \ud568\uaed8 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\uae4c?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608, \ub458\uc744 \ud63c\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uae30\uc874 \ub610\ub294 \uc7a5\uac70\ub9ac \ub9c1\ud06c\uc5d0\ub294 NRZ\ub97c \uc0ac\uc6a9\ud558\uace0, \uc0c8\ub85c\uc6b4 \uace0\uc18d \uc5f0\uacb0\uc5d0\ub294 PAM4\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub124\ud2b8\uc6cc\ud06c\ub97c \ub2e8\uacc4\uc801\uc73c\ub85c \uc5c5\uadf8\ub808\uc774\ub4dc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\uc7a5\uac70\ub9ac \uc804\uc1a1\uc5d0 \ub354 \uc801\ud569\ud55c \uac83\uc740 PAM4\uc785\ub2c8\uae4c, \uc544\ub2c8\uba74 NRZ\uc785\ub2c8\uae4c?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc7a5\uac70\ub9ac \uc804\uc1a1\uc5d0\ub294 NRZ\uac00 \ub354 \uc801\ud569\ud569\ub2c8\ub2e4. NRZ\ub294 \uc7a1\uc74c\uc744 \uc798 \uacac\ub514\uba70 \uc2e0\ud638\ub97c \uc120\uba85\ud558\uac8c \uc720\uc9c0\ud569\ub2c8\ub2e4. \ubc18\uba74 PAM4\ub294 \ub354 \ub192\uc740 \uc18d\ub3c4\uac00 \ud544\uc694\ud55c \ub2e8\uac70\ub9ac\uc5d0\uc11c \uc911\uac70\ub9ac \ub9c1\ud06c\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<script src=\"https:\/\/cdn.mylandingpages.co\/widgets\/platform\/platform.widget.js\" async=\"true\"><\/script>","protected":false},"excerpt":{"rendered":"<p>PAM4 \ub300 NRZ: \ub370\uc774\ud130 \uc804\uc1a1\ub960, \uc7a1\uc74c \ub0b4\uc131 \ubc0f \ud6a8\uc728\uc131\uc744 \ube44\uad50\ud558\uc5ec \ub124\ud2b8\uc6cc\ud06c \ubc0f \ub370\uc774\ud130\uc13c\ud130 \uc5c5\uadf8\ub808\uc774\ub4dc\uc5d0 \uac00\uc7a5 \uc801\ud569\ud55c \ubcc0\uc870 \ubc29\uc2dd\uc744 \uc120\ud0dd\ud558\uc138\uc694.<\/p>","protected":false},"author":1,"featured_media":5807,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[26],"class_list":["post-5813","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/5813","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=5813"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/5813\/revisions"}],"predecessor-version":[{"id":11381,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/5813\/revisions\/11381"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media\/5807"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media?parent=5813"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/categories?post=5813"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/tags?post=5813"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}