{"id":4022,"date":"2025-07-11T00:00:00","date_gmt":"2025-07-11T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/what-is-pam4-four-level-pulse-amplitude-modulation-basics\/"},"modified":"2026-06-22T09:06:18","modified_gmt":"2026-06-22T09:06:18","slug":"what-is-pam4-four-level-pulse-amplitude-modulation-basics","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/what-is-pam4-four-level-pulse-amplitude-modulation-basics","title":{"rendered":"PAM4\uc758 \ud575\uc2ec \uac1c\ub150: 4\ub808\ubca8 \ud384\uc2a4 \uc9c4\ud3ed \ubcc0\uc870(PAM4)\uc758 \uae30\ucd08"},"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\/5f408660b34441fcb684a16f0eac752d.webp\" alt=\"Four-Level Pulse Amplitude Modulation (PAM4)\" class=\"wp-image-4019\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5f408660b34441fcb684a16f0eac752d.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5f408660b34441fcb684a16f0eac752d-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5f408660b34441fcb684a16f0eac752d-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5f408660b34441fcb684a16f0eac752d-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5f408660b34441fcb684a16f0eac752d-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\">\ud074\ub77c\uc6b0\ub4dc \ucef4\ud4e8\ud305, AI, 5G \ubc0f \uc2a4\ud2b8\ub9ac\ubc0d\uc73c\ub85c \uc778\ud55c \uc804 \uc138\uacc4 \ub370\uc774\ud130 \uc18c\ube44\uc758 \ub04a\uc784\uc5c6\ub294 \uc99d\uac00\uc138\ub294 \ub124\ud2b8\uc6cc\ud06c \uc778\ud504\ub77c\uc758 \ud55c\uacc4\ub97c \uc9c0\uc18d\uc801\uc73c\ub85c \ud655\uc7a5\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc804 \uc138\ub300\uc758 \uc8fc\ub825 \uae30\uc220\uc774\uc5c8\ub358 \ube44\uadc0\ud658 \uc601(Non-Return-to-Zero, NRZ) \uc2e0\ud638 \ubc29\uc2dd\uc740 \ub808\uc778\ub2f9 25Gbps \uc774\uc0c1\uc758 \ub370\uc774\ud130 \uc18d\ub3c4\uc5d0\uc11c \uadfc\ubcf8\uc801\uc778 \ubb3c\ub9ac\uc801 \ud55c\uacc4\uc5d0 \ub3c4\ub2ec\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub54c \ub4f1\uc7a5\ud55c \uac83\uc774 \ubc14\ub85c <\/span><span class=\"qc-p1-tag\"><strong>PAM4(4\ub808\ubca8 \ud384\uc2a4 \uc9c4\ud3ed \ubcc0\uc870)<\/strong><\/span><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\">, <em>PAM4<\/em>\uc774\uba70, \uc774\ub294 <\/span><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26045-400g-qsfp-dd-osfp-qsfp112.htm\"><span class=\"qc-p1-tag\"><strong>\uace0\uc18d \uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \ubaa8\ub4c8<\/strong><\/span><\/a><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\"> \ubc0f \uc804\uae30 \uc778\ud130\ud398\uc774\uc2a4\uc758 \ub2e4\uc74c \ub2e8\uacc4 \uc18d\ub3c4 \ud5a5\uc0c1\uc744 \uac00\ub2a5\ud558\uac8c \ud558\ub294 \ud575\uc2ec \ubcc0\uc870 \ubc29\uc2dd\uc785\ub2c8\ub2e4. \uadf8\ub807\ub2e4\uba74 \uc815\ud655\ud788 \ub9d0\ud574 PAM4\ub780 \ubb34\uc5c7\uc774\uba70, \uc65c \uadf8\ub807\uac8c \uc911\uc694\ud55c\uac00\uc694? \uc790\uc138\ud788 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u25b6 Key Takeaways<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>PAM4\ub294 \ub124 \uac00\uc9c0 \uc2e0\ud638 \ub808\ubca8\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud55c \ubc88\uc5d0 2\ube44\ud2b8\ub97c \uc804\uc1a1\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub300\uc5ed\ud3ed\uc744 \ucd94\uac00\ub85c \ud655\ubcf4\ud558\uc9c0 \uc54a\uace0\ub3c4 \ub370\uc774\ud130 \uc804\uc1a1 \uc18d\ub3c4\ub97c 2\ubc30\ub85c \ub192\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li><li><p>NRZ\uc640 \uac19\uc740 \uae30\uc874 \ubc29\uc2dd\uc740 PAM4\ubcf4\ub2e4 \ub290\ub9bd\ub2c8\ub2e4. PAM4\ub294 \ub370\uc774\ud130 \uc804\uc1a1 \uc18d\ub3c4\ub97c \ub192\uc774\uc9c0\ub9cc, \ubcf4\ub2e4 \uc6b0\uc218\ud55c \uc624\ub958 \uc815\uc815 \uae30\ub2a5\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \ub610\ud55c \uc804\uc555 \ub808\ubca8 \uac04 \uac04\uaca9\uc774 \uc881\uc544\uc9c0\ubbc0\ub85c \ubcf4\ub2e4 \uc815\uad50\ud55c \uc2e0\ud638 \ucc98\ub9ac \uae30\uc220\uc774 \uc694\uad6c\ub429\ub2c8\ub2e4.<\/p><\/li><li><p>PAM4\ub294 \uace0\uc18d \ub124\ud2b8\uc6cc\ud06c \ubc0f \ub370\uc774\ud130\uc13c\ud130\uc5d0\uc11c \uc0ac\uc6a9\ub418\uba70, \uad11 \uc2dc\uc2a4\ud15c\uc5d0\ub3c4 \uc801\uc6a9\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud658\uacbd\uc740 \ud074\ub77c\uc6b0\ub4dc, \uc2a4\ud2b8\ub9ac\ubc0d, 5G \ub4f1\uc73c\ub85c\ubd80\ud130 \uae09\uc99d\ud558\ub294 \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud560 \uc218 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p><\/li><li><p>PAM4\ub294 \uc7a1\uc74c\uc5d0 \ubbfc\uac10\ud558\ub2e4\ub294 \ubb38\uc81c\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc2e0\ud638 \ud488\uc9c8 \uc5ed\uc2dc \ubb38\uc81c\uac00 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uace0\uae09 \uc774\ud004\ub77c\uc774\uc81c\uc774\uc158 \ubc0f \uc624\ub958 \uc815\uc815 \uae30\uc220\uc744 \ud1b5\ud574 \ub370\uc774\ud130\uc758 \uc548\uc804\uc131\uacfc \uc2e0\ub8b0\uc131\uc744 \ud655\ubcf4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li><li><p>PAM4\ub97c \ud559\uc2b5\ud558\uba74 \uace0\uc18d \ub370\uc774\ud130 \ub9c1\ud06c\uc758 \uc791\ub3d9 \uc6d0\ub9ac\ub97c \uc774\ud574\ud560 \uc218 \uc788\uc73c\uba70, \ud604\uc7ac \uac00\uc7a5 \ube60\ub978 \ub124\ud2b8\uc6cc\ud06c \uae30\uc220\uc744 \ub2e4\ub8e8\ub294 \ub370 \ud544\uc694\ud55c \uc5ed\ub7c9\uc744 \uac16\ucd9c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u25b6 NRZ\ub97c \ub118\uc5b4\uc11c: \uc65c PAM4\uac00 \ud544\uc694\ud55c\uac00?<\/strong><\/h2>\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><strong>, <em>NRZ<\/em>, \uc989 PAM2<\/strong>, \ub294 \ub514\uc9c0\ud138 \ub370\uc774\ud130\ub97c \ud45c\ud604\ud558\uae30 \uc704\ud574 \ub450 \uac00\uc9c0 \uc804\uc555 \ub808\ubca8\u2014\u20181\u2019\uc744 \ub098\ud0c0\ub0b4\ub294 \uace0\uc804\uc555 \ub808\ubca8\uacfc \u20180\u2019\uc744 \ub098\ud0c0\ub0b4\ub294 \uc800\uc804\uc555 \ub808\ubca8\u2014\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc2ec\ubcfc \uc8fc\uae30\ub2f9 1\ube44\ud2b8\ub97c \uc804\uc1a1\ud558\uba70, \ub2e8\uc21c\ud558\uace0 \uac15\uac74\ud55c \ud2b9\uc131 \ub355\ubd84\uc5d0 \uc218\uc2ed \ub144\uac04 \ud0c1\uc6d4\ud55c \uc131\ub2a5\uc744 \ubc1c\ud718\ud574 \uc654\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ub370\uc774\ud130 \uc18d\ub3c4\uac00 \ub808\uc778\ub2f9 56Gbps, 112Gbps \ubc0f \uadf8 \uc774\uc0c1\uc73c\ub85c \uc0c1\uc2b9\ud568\uc5d0 \ub530\ub77c NRZ\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc911\ub300\ud55c \uacfc\uc81c\uc5d0 \uc9c1\uba74\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p style=\"margin: 0px;\"><strong>\ub300\uc5ed\ud3ed \uc81c\uc57d:<\/strong> \ub354 \ube60\ub978 NRZ \uc2e0\ud638\ub97c \uc804\uc1a1\ud558\ub824\uba74 \ucc44\ub110 \ub300\uc5ed\ud3ed\uc774 \uc9c0\uc218\uc801\uc73c\ub85c \uc99d\uac00\ud574\uc57c \ud558\uba70(\ubcf4\uc728(baud rate)\uc5d0 \ube44\ub840), PCB\uc758 \uad6c\ub9ac \ubc30\uc120, \uc804\uae30 \ucee4\ub125\ud130, \uc2ec\uc9c0\uc5b4 \uad11 \ubd80\ud488\uc870\ucc28\ub3c4 \uc774\ub7ec\ud55c \uc8fc\ud30c\uc218\ub97c \uc9c0\uc6d0\ud558\uae30 \uc5b4\ub824\uc6cc \uc2ec\uac01\ud55c \uc2e0\ud638 \uc65c\uace1\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\uc2e0\ud638 \ubb34\uacb0\uc131 \ubb38\uc81c:<\/strong> \ub354 \ub192\uc740 \ubcf4\ub4dc \uc18d\ub3c4\ub294 \uc2e0\ud638 \ubb34\uacb0\uc131 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0\uc11c \u201c\uc544\uc774\u201d \uac1c\uad6c\ubd80\ub97c \uc904\uc5ec, \uc2e0\ud638\ub97c \uc7a1\uc74c, \uc9c0\ud130, \uac10\uc1e0\uc5d0 \ud6e8\uc52c \ub354 \ubbfc\uac10\ud558\uac8c \ub9cc\ub4e0\ub2e4. \uc624\ub958\uc728\uc774 \uae09\uaca9\ud788 \uc99d\uac00\ud55c\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\uc804\ub825 \uc18c\ube44:<\/strong> \uadf9\ub2e8\uc801\uc778 NRZ \uc18d\ub3c4\uc5d0\uc11c \ud544\uc694\ud55c \uc2e0\ud638 \ubb34\uacb0\uc131\uc744 \ub2ec\uc131\ud558\ub824\uba74 \ubcf5\uc7a1\ud558\uace0 \uc804\ub825 \uc18c\ube44\uac00 \ud070 \ub4f1\ud654 \uae30\ubc95\uc774 \uc885\uc885 \ud544\uc694\ud558\ub2e4.<\/p><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"1100\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/237b0c2edabc4c95814384632353d425.webp\" alt=\"4-level Pulse Amplitude Modulation (PAM4)\" class=\"wp-image-3607\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/237b0c2edabc4c95814384632353d425.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/237b0c2edabc4c95814384632353d425-300x275.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/237b0c2edabc4c95814384632353d425-1024x939.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/237b0c2edabc4c95814384632353d425-768x704.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/237b0c2edabc4c95814384632353d425-13x12.webp 13w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>PAM4: \ubcf4\ub4dc \uc18d\ub3c4\ub294 \uadf8\ub300\ub85c \ub450\uace0 \ub370\uc774\ud130\ub97c \ub450 \ubc30\ub85c \uc99d\uac00<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PAM4\ub294 \ub370\uc774\ud130 \uc778\ucf54\ub529 \ubc29\uc2dd\uc744 \uadfc\ubcf8\uc801\uc73c\ub85c \ubcc0\uacbd\ud568\uc73c\ub85c\uc368 \uc774\ub7ec\ud55c \uc81c\ud55c\uc744 \uadf9\ubcf5\ud55c\ub2e4. \ub450 \uc218\uc900 \ub300\uc2e0, PAM4\ub294 <strong>\ub124 \uac00\uc9c0 \uad6c\ubcc4\ub418\ub294 \uc804\uc555 \uc218\uc900\uc744 \uc0ac\uc6a9\ud55c\ub2e4<\/strong>. \uac01 \uc218\uc900\uc740 \uace0\uc720\ud55c 2\ube44\ud2b8 \uc870\ud569\uc744 \ub098\ud0c0\ub0b8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">\ub808\ubca8 0: <code>00<\/code><\/p><\/li><li><p style=\"margin: 0px;\">\ub808\ubca8 1: <code>01<\/code><\/p><\/li><li><p style=\"margin: 0px;\">\ub808\ubca8 2: <code>10<\/code><\/p><\/li><li><p style=\"margin: 0px;\">\ub808\ubca8 3: <code>11<\/code><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud575\uc2ec \uc774\uc810? PAM4\ub294 \uc2ec\ubcfc \uc8fc\uae30\ub2f9 2\ube44\ud2b8\uc758 \uc815\ubcf4\ub97c \uc804\uc1a1\ud55c\ub2e4<\/strong>, \uc774\ub294 NRZ\uc758 \ub2e8\uc77c \ube44\ud2b8\uc640 \ub300\ube44\ub41c\ub2e4. \uc989, \ub3d9\uc77c\ud55c \ubcf4\ub4dc \uc18d\ub3c4(\ucd08\ub2f9 \uc2ec\ubcfc \uc218)\uc5d0\uc11c PAM4\ub294 \ub370\uc774\ud130 \uc804\uc1a1\ub960\uc744 \ub450 \ubc30\ub85c \uc81c\uacf5\ud55c\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u25b6 PAM4 \ub300 NRZ \ube44\uad50 \ub3c4\uc2dc<\/strong><\/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\/fbbf4ac046374b7f9db32a61d28e98a9.webp\" alt=\"PAM4 vs. NRZ\" class=\"wp-image-4020\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fbbf4ac046374b7f9db32a61d28e98a9.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fbbf4ac046374b7f9db32a61d28e98a9-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fbbf4ac046374b7f9db32a61d28e98a9-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fbbf4ac046374b7f9db32a61d28e98a9-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fbbf4ac046374b7f9db32a61d28e98a9-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\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;\"\/><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(PAM2)<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>PAM4<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>PAM4\uc758 \uc774\uc810<\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\uc218\uc900<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>2 (0, 1)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>4 (00, 01, 10, 11)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc2ec\ubcfc\ub2f9 \ub354 \ub9ce\uc740 \ub370\uc774\ud130 \uac00\ub2a5<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\ube44\ud2b8\/\uc2ec\ubcfc<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>2<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>\ub3d9\uc77c\ud55c \ubcf4\ub4dc \uc18d\ub3c4\uc5d0\uc11c \ub370\uc774\ud130 \uc804\uc1a1\ub960\uc744 \ub450 \ubc30\ub85c \uc99d\uac00<\/strong><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\ubaa9\ud45c \ub370\uc774\ud130 \uc804\uc1a1\ub960\uc744 \uc704\ud55c \ubcf4\ub4dc \uc18d\ub3c4<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub192\uc74c(\uc608: 56Gbps\uc758 \uacbd\uc6b0 56 GBaud)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub0ae\uc74c(\uc608: 56Gbps\uc758 \uacbd\uc6b0 28 GBaud)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>\ucc44\ub110 \ub300\uc5ed\ud3ed \uc694\uad6c\ub7c9 \uac10\uc18c<\/strong><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\uc2e0\ud638 \ubcf5\uc7a1\uc131<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub0ae\uc74c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub192\uc74c(\uc804\uc555 \uc5ec\uc720 \ud3ed\uc774 \uc791\uc74c)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>NRZ\ub294 \uac04\ub2e8\ud558\uc9c0\ub9cc, \uace0\uc18d\uc5d0\uc11c\ub294 PAM4\uac00 \ud544\uc218\uc801\uc784<\/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>\ube44\ud2b8\ub2f9 \ubbfc\uac10\ub3c4\ub294 \ub0ae\uc74c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ube44\ud2b8\ub2f9 \ubbfc\uac10\ub3c4\ub294 \ub192\uc74c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ubcf4\ub2e4 \uc815\uad50\ud55c \uae30\uc220\uc774 \ud544\uc694\ud568 <strong>DSP<\/strong><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\uc0c1\uc6a9(COM)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>&lt;= 25\/28Gbps\/\ub808\uc778<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>56Gbps, 112Gbps, 224Gbps\/\ub808\uc778<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ucc28\uc138\ub300 \uc18d\ub3c4 \uc2e4\ud604 \uac00\ub2a5<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u25b6 PAM4 \uc791\ub3d9 \uc6d0\ub9ac: \uc2e0\ud638 \uc0dd\uc131 \ubc0f \uacfc\uc81c<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PAM4 \uc2e0\ud638\uc758 \uc0dd\uc131 \ubc0f \ud574\uc11d\uc740 NRZ\ubcf4\ub2e4 \ub354 \ubcf5\uc7a1\ud558\ub2e4:<\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p style=\"margin: 0px;\"><strong>\uc1a1\uc2e0\uae30:<\/strong> \uc785\ub825 \ub370\uc774\ud130 \uc2a4\ud2b8\ub9bc\uc774 \ube44\ud2b8 \uc30d\uc73c\ub85c \ubd84\ud560\ub41c\ub2e4(<code>00<\/code>, <code>01<\/code>, <code>10<\/code>, <code>11<\/code>). \uc1a1\uc2e0\uae30\uc758 \ub4dc\ub77c\uc774\ubc84 \ud68c\ub85c\ub294 \uac01 2\ube44\ud2b8 \uc870\ud569\uc5d0 \ub300\uc751\ud558\ub294 \ub124 \uac00\uc9c0 \uc815\ubc00 \uc804\uc555 \uc9c4\ud3ed \uc911 \ud558\ub098\ub97c \uac16\ub294 \uc544\ub0a0\ub85c\uadf8 \uc2e0\ud638\ub97c \uc0dd\uc131\ud55c\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\ucc44\ub110:<\/strong> \uc2e0\ud638\ub294 \ubb3c\ub9ac\uc801 \ub9e4\uccb4(PCB \ud2b8\ub808\uc774\uc2a4, \ucf00\uc774\ube14, \uad11\uc12c\uc720 \ub9c1\ud06c)\ub97c \ud1b5\ud574 \uc804\ub2ec\ub418\uba70, \uac10\uc1e0, \uc65c\uace1, \uc7a1\uc74c\uc5d0 \ub178\ucd9c\ub41c\ub2e4.<\/p><\/li><li><p style=\"margin: 0px 0px 4px;\"><strong>\uc218\uc2e0\uae30:<\/strong> \uc5ec\uae30\uc11c \ubcf5\uc7a1\uc131\uc774 \ud06c\uac8c \uc99d\uac00\ud569\ub2c8\ub2e4. \uc218\uc2e0\uae30\ub294 \ub2e8\uc21c\ud788 \ub450 \uc804\uc555 \ub808\ubca8\uc774 \uc544\ub2c8\ub77c \ub124 \uac1c\uc758 \uc804\uc555 \ub808\ubca8\uc744 \uad6c\ubd84\ud574\uc57c \ud569\ub2c8\ub2e4. \uc778\uc811\ud55c \ub808\ubca8 \uac04 \uc804\uc555 \ucc28\uc774(\uc608: \ub808\ubca8 1\uc5d0\uc11c \ub808\ubca8 2\ub85c)\ub294 \uc804\uccb4 NRZ \uc2a4\uc719\uc758 \ub2e8\uc9c0 1\/3\uc5d0 \ubd88\uacfc\ud569\ub2c8\ub2e4. \uc774 \ub354 \uc791\uc740 <strong>\ub208 \ub192\uc774<\/strong> \uac12\uc740 PAM4\ub97c \ubcf8\uc9c8\uc801\uc73c\ub85c \ub2e4\uc74c \uc694\uc18c\uc5d0 \ub300\ud574 \ub354 \ubbfc\uac10\ud558\uac8c \ub9cc\ub4ed\ub2c8\ub2e4:<\/p><ul><li><p style=\"margin: 0px;\"><strong>\uc7a1\uc74c:<\/strong> \ubb34\uc791\uc704 \ubcc0\ub3d9\uc774 \uc2e0\ud638 \ub808\ubca8\uc744 \uc778\uc811 \ub808\ubca8\uc758 \ud310\uc815 \uc601\uc5ed\uc73c\ub85c \uc27d\uac8c \ubc00\uc5b4\ub123\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\uac10\uc1c4(Attenuation):<\/strong> \uc2e0\ud638 \uc190\uc2e4\uc740 \uc9c4\ud3ed\uc744 \uac10\uc18c\uc2dc\ucf1c \uc544\uc774 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc744 \ub354\uc6b1 \ucd95\uc18c\uc2dc\ud0b5\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\uc65c\uace1(ISI):<\/strong> \uc2dc\uac04\uc5d0 \ub530\ub77c \uc2e0\ud638\uac00 \ud37c\uc9c0\uba74\uc11c \uc2ec\ubcfc\ub4e4\uc774 \uc11c\ub85c \uac04\uc12d\uc744 \uc77c\uc73c\ud0b5\ub2c8\ub2e4.<\/p><\/li><\/ul><\/li><li><p style=\"margin: 0px 0px 4px;\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/digital-signal-processor-functionality-in-optical-transceivers\/\"><strong>\ub514\uc9c0\ud138 \uc2e0\ud638 \ucc98\ub9ac(DSP)<\/strong><\/a><strong>:<\/strong> \uc774\ub7ec\ud55c \uacfc\uc81c\ub97c \uadf9\ubcf5\ud558\uae30 \uc704\ud574 \ud604\ub300\uc758 PAM4 \uc2dc\uc2a4\ud15c\uc740 \uc591\ucabd \ub05d\uc5d0\uc11c \uc815\uad50\ud55c DSP \uae30\uc220\uc5d0 \ud06c\uac8c \uc758\uc874\ud569\ub2c8\ub2e4:<\/p><ul><li><p style=\"margin: 0px;\"><strong>\uc1a1\uc2e0\uae30:<\/strong> \ucc44\ub110 \uc65c\uace1\uc744 \uc0ac\uc804\uc5d0 \uc0c1\uc1c4\ud558\uae30 \uc704\ud574 \ud53c\ub4dc\ud3ec\uc6cc\ub4dc \uc774\ud004\ub77c\uc774\uc81c\uc774\uc158(FFE)\uacfc \uac19\uc740 \uae30\ubc95\uc744 \uc801\uc6a9\ud558\uc5ec \uc2e0\ud638\ub97c \uc0ac\uc804 \uc131\ud615\ud569\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\uc218\uc2e0\uae30:<\/strong> \uac15\ub825\ud55c \uc774\ud004\ub77c\uc774\uc81c\uc774\uc158(\uc608: \uc5f0\uc18d \uc2dc\uac04 \uc120\ud615 \uc774\ud004\ub77c\uc774\uc81c\uc774\uc158 \u2013 CTLE, \uacb0\uc815 \ud53c\ub4dc\ubc31 \uc774\ud004\ub77c\uc774\uc81c\uc774\uc158 \u2013 DFE) \ubc0f \uc885\uc885 \uc624\ub958 \uc815\uc815 \ucf54\ub4dc(FEC)\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc544\uc774 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc744 \ud655\uc7a5\ud558\uace0, \uc190\uc2e4\/\uc65c\uace1\uc744 \ubcf4\uc0c1\ud558\uba70, \uc7a1\uc74c \ubc0f \uc881\uc740 \ub808\ubca8 \uac04\uaca9\uc73c\ub85c \uc778\ud574 \ubc1c\uc0dd\ud558\ub294 \uc624\ub958\ub97c \uc815\uc815\ud569\ub2c8\ub2e4. FEC\ub294 \uc77c\ubd80 \uc624\ubc84\ud5e4\ub4dc\ub97c \ucd94\uac00\ud558\uc9c0\ub9cc, PAM4 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc218\uc6a9 \uac00\ub2a5\ud55c <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/understanding-what-is-bit-error-rate\/\"><strong>\ub610\ub294 \uc7ac\uc804\uc1a1(retransmissions) \uc99d\uac00<\/strong><\/a> \uc131\ub2a5\uc744 \ub2ec\uc131\ud558\uae30 \uc704\ud574 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p><\/li><\/ul><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u25b6 \uc601\ud5a5: PAM4\uac00 \ubbf8\ub798\ub97c \uc774\ub044\ub294 \ubc29\uc2dd<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PAM4\ub294 \ud604\uc7ac \ubc0f \ucc28\uc138\ub300 \uace0\uc18d \uc778\ud130\ud398\uc774\uc2a4\uc758 \uae30\ubc18\uc774 \ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>400\uae30\uac00\ube44\ud2b8 \uc774\ub354\ub137(400GbE):<\/strong> \uc8fc\ub85c 8\uac1c\uc758 56Gbps PAM4 \ub808\uc778(8\u00d750G) \ub610\ub294 4\uac1c\uc758 112Gbps PAM4 \ub808\uc778(4\u00d7100G)\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>800\uae30\uac00\ube44\ud2b8 \uc774\ub354\ub137(800GbE):<\/strong> 8\uac1c\uc758 112Gbps PAM4 \ub808\uc778(8\u00d7100G)\uc744 \ud65c\uc6a9\ud569\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>6\ud14c\ub77c\ube44\ud2b8 \uc774\ub354\ub137(1.6TbE):<\/strong> \ub4f1\uc7a5 \uc911\uc778 \ud45c\uc900\uc5d0\uc11c\ub294 8\uac1c\uc758 224Gbps PAM4 \ub808\uc778\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\ub370\uc774\ud130\uc13c\ud130 \uc0c1\ud638\uc5f0\uacb0(DCI):<\/strong> \ub9c9\ub300\ud55c \ud2b8\ub798\ud53d \ud750\ub984\uc744 \ucc98\ub9ac\ud558\ub294 \uac70\ub300 \ub370\uc774\ud130\uc13c\ud130 \uac04 \uc5f0\uacb0\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>AI\/ML \ud074\ub7ec\uc2a4\ud130:<\/strong> GPU\/TPU \uac04 \uace0\ub300\uc5ed\ud3ed\u00b7\uc800\uc9c0\uc5f0 \uc778\ud130\ucee4\ub125\ud2b8\ub294 PAM4 \uae30\ubc18 \uad11\ud559 \ubc0f \uad6c\ub9ac \uc194\ub8e8\uc158\uc5d0 \ud06c\uac8c \uc758\uc874\ud569\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\ucc28\uc138\ub300 \ud30c\uc774\ubc84 \ucc44\ub110:<\/strong> \ub354 \ub192\uc740 \uc2a4\ud1a0\ub9ac\uc9c0 \ub124\ud2b8\uc6cc\ud06c \uc18d\ub3c4\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u25b6 LINK-PP \uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84: \uadc0\uc0ac\uc758 PAM4 \uc194\ub8e8\uc158<\/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\/c20a116e1e8045fea5af8dfd300c089e.webp\" alt=\"LINK-PP\" class=\"wp-image-4021\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c20a116e1e8045fea5af8dfd300c089e.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c20a116e1e8045fea5af8dfd300c089e-300x169.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c20a116e1e8045fea5af8dfd300c089e-1024x576.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c20a116e1e8045fea5af8dfd300c089e-768x432.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c20a116e1e8045fea5af8dfd300c089e-18x10.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 PAM4 \uae30\uc220\uc744 \uad6c\ud604\ud558\ub824\uba74 \uace0\ub3c4\ub85c \uc124\uacc4\ub41c <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>\uace0\uc131\ub2a5 \uc751\uc6a9 \ubd84\uc57c\ub97c \uc704\ud55c \uad11 \uc1a1\uc218\uc2e0 \ubaa8\ub4c8<\/strong><\/a>. <strong>LINK-PP<\/strong> \ucd5c\uc804\uc120\uc5d0 \uc11c\uc11c, \ud604\ub300 \uace0\uc18d \ub124\ud2b8\uc6cc\ud06c\uc758 \uc5c4\uaca9\ud55c \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud558\ub294 \ucc28\uc138\ub300 PAM4 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub97c \uc124\uacc4\ud558\uace0 \uc81c\uc870\ud569\ub2c8\ub2e4. \ub2f9\uc0ac \ubaa8\ub4c8\uc740 <strong>\uace0\uae09 DSP<\/strong>, \uace0\ud488\uc9c8 \ubd80\ud488, \uadf8\ub9ac\uace0 \ub3c4\uc804\uc801\uc778 \ud658\uacbd\uc5d0\uc11c\ub3c4 \ucd5c\uc801\uc758 \uc2e0\ud638 \ubb34\uacb0\uc131\uacfc \uc131\ub2a5\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud55c \ucca0\uc800\ud55c \ud14c\uc2a4\ud2b8\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc8fc\uc694 LINK-PP PAM4 \uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \uc81c\ud488:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472000.htm\"><strong>LINK-PP LQD-CW400-FR4C:<\/strong><\/a> \ub2e8\uc77c \ubaa8\ub4dc \uad11\uc12c\uc720\ub97c \uc0ac\uc6a9\ud574 2km \uc804\uc1a1 \uac70\ub9ac\ub97c \uc9c0\uc6d0\ud558\ub294 \uace0\uc131\ub2a5 400G \ubaa8\ub4c8\ub85c, \ub370\uc774\ud130 \uc13c\ud130 \uc2a4\ud30c\uc778 \ubc0f \uc0c1\ud638 \uc5f0\uacb0\uc5d0 \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4. <em>(\uadc0\uc0ac\uc758 400G \ub370\uc774\ud130 \uc13c\ud130 \ud328\ube0c\ub9ad \uc694\uad6c \uc0ac\ud56d\uc5d0 \uc644\ubcbd\ud558\uac8c \ubd80\ud569)<\/em><\/p><\/li><li><p style=\"margin: 0px;\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/473139.htm\"><strong>LINK-PP LQ-M85200-SR4C:<\/strong><\/a> \uc774 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub294 \ub370\uc774\ud130 \uc13c\ud130 \ubc0f \uae30\uc5c5 \ub124\ud2b8\uc6cc\ud06c\uc640 \uac19\uc740 \ub2e8\uac70\ub9ac \uc804\uc1a1 \uc2dc\ub098\ub9ac\uc624\uc5d0\uc11c \uc8fc\ub85c \uc0ac\uc6a9\ub418\uba70, \uace0\uc18d \ub370\uc774\ud130 \uc804\uc1a1\uc744 \uc2e4\ud604\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c <strong>\uc2e0\ub8b0\uc131 \uc788\ub294 \uad11\ud559 \ubaa8\ub4c8\uc774<\/strong> PAM4 \uc2e0\ud638 \ucc98\ub9ac\uc758 \ubcf5\uc7a1\uc131\uc744 \ucc98\ub9ac\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5b4, \uadc0\uc0ac \ub124\ud2b8\uc6cc\ud06c\uac00 \ud544\uc694\ud55c <strong>\ub300\uc5ed\ud3ed \ubc00\ub3c4<\/strong> \ubc0f \uc131\ub2a5\uc744 \ub0ae\uc740 \uc804\ub825 \uc18c\ube44\ub85c \ub2ec\uc131\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u25b6 PAM4\uc758 \uc7a5\uc810\uacfc \ud0c0\ud611\uc810<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px 0px 4px;\"><strong>\uc7a5\uc810:<\/strong><\/p><ul><li><p style=\"margin: 0px;\"><strong>\ub300\uc5ed\ud3ed \ud6a8\uc728 2\ubc30 \uc99d\uac00:<\/strong> \ubcf4\ub4dc \ub808\uc774\ud2b8\/\ucc44\ub110 \ub300\uc5ed\ud3ed\uc744 2\ubc30\ub85c \ub298\ub9ac\uc9c0 \uc54a\uace0\ub3c4 \ub354 \ub192\uc740 \ub370\uc774\ud130 \uc804\uc1a1\ub960\uc744 \ub2ec\uc131\ud569\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\ub354 \ub192\uc740 \uc18d\ub3c4 \uc2e4\ud604:<\/strong> \uae30\uc874 \ubc0f \ucc28\uc138\ub300 \ucc44\ub110 \ub2a5\ub825\uc744 \ud65c\uc6a9\ud558\uc5ec <strong>400G, 800G, \ubc0f 1.6T<\/strong> \uad6c\ud604\uc744 \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\ud558\uc704 \ud638\ud658\uc131:<\/strong> \uc885\uc885 \ub0ae\uc740 NRZ \uc18d\ub3c4\uc6a9\uc73c\ub85c \uc124\uacc4\ub41c \uae30\uc874 \ucf00\uc774\ube14 \uc778\ud504\ub77c \uc704\uc5d0\uc11c\ub3c4 \uc791\ub3d9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4(\ub2e8, \uc804\uc1a1 \uac70\ub9ac\ub294 \uac10\uc18c\ud560 \uc218 \uc788\uc74c).<\/p><\/li><\/ul><\/li><li><p style=\"margin: 0px 0px 4px;\"><strong>\ud0c0\ud611\uc810:<\/strong><\/p><ul><li><p style=\"margin: 0px;\"><strong>\uc99d\uac00\ub41c \ubcf5\uc7a1\uc131 \ubc0f \ube44\uc6a9:<\/strong> \uc815\uad50\ud55c DSP \ubc0f \uc7a0\uc7ac\uc801\uc73c\ub85c \uace0\uc804\ub825 ASIC\/IC\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\ub192\uc740 SNR \uc694\uad6c \uc0ac\ud56d:<\/strong> \ub354 \uc791\uc740 \uc804\uc555 \ub9c8\uc9c4\uc73c\ub85c \uc778\ud574 \ub354 \uae68\ub057\ud55c \ucc44\ub110\uacfc \uc6b0\uc218\ud55c \uc2e0\ud638 \ubb34\uacb0\uc131 \uc124\uacc4\uac00 \uc694\uad6c\ub429\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>DSP \uc804\ub825 \uc18c\ube44:<\/strong> \uac15\ub825\ud55c \ub4f1\ud654 \ubc0f FEC \uc5d4\uc9c4\uc774 \uc0c1\ub2f9\ud55c \uc804\ub825\uc744 \uc18c\ube44\ud569\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>FEC \uc624\ubc84\ud5e4\ub4dc:<\/strong> \uc624\ub958 \uc815\uc815\uc774 \uc9c0\uc5f0\uc744 \uc720\ubc1c\ud558\uba70, \uc6d0\uc2dc \ub300\uc5ed\ud3ed\uc758 \uc77c\ubd80\ub97c \ucc28\uc9c0\ud569\ub2c8\ub2e4.<\/p><\/li><\/ul><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u25b6 \uacb0\ub860: PAM4\ub294 \uacc4\uc18d\ud574\uc11c \uc0ac\uc6a9\ub420 \uac83\uc785\ub2c8\ub2e4<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PAM4\ub294 \ub2e8\uc21c\ud55c \ud2c8\uc0c8 \uae30\uc220\uc774 \uc544\ub2c8\ub77c, \uc6b0\ub9ac \ub514\uc9c0\ud138 \uc138\uacc4\ub97c \uad6c\ub3d9\ud558\ub294 \uace0\uc18d \ub124\ud2b8\uc6cc\ud06c\ub97c \uc704\ud55c \ud544\uc218\uc801\uc778 \uc2e4\ud604 \uae30\uc220\uc785\ub2c8\ub2e4. \ubcf5\uc7a1\uc131\uc744 \ub3c4\uc785\ud558\uc9c0\ub9cc, \ucc44\ub110 \ub300\uc5ed\ud3ed\uc744 \ube44\ub840\uc801\uc73c\ub85c \uc99d\uac00\uc2dc\ud0a4\uc9c0 \uc54a\uace0\ub3c4 \ub370\uc774\ud130 \uc804\uc1a1 \uc18d\ub3c4\ub97c 2\ubc30\ub85c \ub192\uc77c \uc218 \uc788\ub294 \uc774\uc810\uc740, \ub05d\uc5c6\ub294 \uc218\uc694\ub97c \ucda9\uc871\ud558\uae30 \uc704\ud574 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud655\uc7a5\ud558\ub294 \ub370 \uc788\uc5b4 \uc808\ub300\uc801\uc73c\ub85c \ubd88\uac00\uacb0\ud569\ub2c8\ub2e4. \ud604\ub300 \ub370\uc774\ud130\uc13c\ud130, \ud074\ub77c\uc6b0\ub4dc, \ud1b5\uc2e0, \uae30\uc5c5 \ub124\ud2b8\uc6cc\ud06c\uc758 \uc124\uacc4\u00b7\uad6c\ucd95\u00b7\uc6b4\uc601\uc5d0 \uad00\uc5ec\ud558\ub294 \ubaa8\ub4e0 \uc774\ub4e4\uc5d0\uac8c PAM4\ub97c \uc774\ud574\ud558\ub294 \uac83\uc774 \ud575\uc2ec\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uadc0\uc0ac\uc758 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c PAM4\uc758 \ud798\uc744 \ud65c\uc6a9\ud560 \uc900\ube44\uac00 \ub418\uc168\ub098\uc694?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>LINK-PP\uc758 \ud3ec\uad04\uc801\uc778 \uace0\uc131\ub2a5 PAM4 \uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \uc81c\ud488\uad70\uc744 \ud0d0\uc0c9\ud574 \ubcf4\uc138\uc694. \uc5c5\uacc4\ub97c \uc120\ub3c4\ud558\ub294 \ub2f9\uc0ac\uc758 400G \ubc0f 800G \ubaa8\ub4c8\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/strong> \ub2f9\uc0ac \uc804\ubb38\uac00\ub4e4\uc774 \uadc0\uc0ac\uc5d0 \uac00\uc7a5 \uc801\ud569\ud55c <strong>\ube44\uc6a9 \ud6a8\uc728\uc801\uc778 \uad11 \ubaa8\ub4c8 \uc194\ub8e8\uc158\uc744<\/strong> \uadc0\uc0ac\uc758 \ud2b9\uc815 \ub300\uc5ed\ud3ed, \uc804\ub2ec \uac70\ub9ac, \ubc00\ub3c4 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub9de\ucdb0 \uc120\ud0dd\ud574 \ub4dc\ub9bd\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/sample.htm\"><strong>PAM4 \uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \uc0d8\ud50c \uc694\uccad \u279e<\/strong><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/support.htm\"><strong>\uae30\uc220 \uc9c0\uc6d0 \u279e<\/strong><\/a><\/p>\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\" >PAM4\ub294 \ubb34\uc5c7\uc758 \uc57d\uc790\uc778\uac00\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PAM4\ub294 \u20184\ub808\ubca8 \ud384\uc2a4 \uc9c4\ud3ed \ubcc0\uc870(Pulse Amplitude Modulation with four levels)\u2019\uc758 \uc57d\uc790\uc785\ub2c8\ub2e4. \ub370\uc774\ud130 \uc804\uc1a1 \uc2dc 4\uac1c\uc758 \uc11c\ub85c \ub2e4\ub978 \uc804\uc555 \ub808\ubca8\uc744 \uc0ac\uc6a9\ud558\uba70, \uac01 \ub808\ubca8\uc740 \uace0\uc720\ud55c 2\ube44\ud2b8 \uc870\ud569\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\uc65c PAM4\uc5d0\uc11c\ub294 \uc624\ub958 \uc815\uc815\uc774 \ud544\uc694\ud55c\uac00\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PAM4 \uc2e0\ud638\ub294 \uc804\uc555 \ub808\ubca8 \uac04 \uac04\uaca9\uc774 \uc881\uae30 \ub54c\ubb38\uc5d0 \uc7a1\uc74c\uc73c\ub85c \uc778\ud574 \uc624\ub958\uac00 \uc27d\uac8c \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc624\ub958 \uc815\uc815 \uae30\ub2a5\uc740 \uc774\ub7ec\ud55c \uc624\ub958\ub97c \uc218\uc815\ud558\uc5ec \ub370\uc774\ud130\uc758 \ubb34\uacb0\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >PAM4\ub97c \uc7a5\uac70\ub9ac \ub9c1\ud06c\uc5d0 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc73c\ub85c PAM4\ub294 \ub2e8\uac70\ub9ac \ub610\ub294 \uc911\uac70\ub9ac \ub9c1\ud06c\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc7a5\uac70\ub9ac\uc5d0\uc11c\ub294 \uc2e0\ud638 \ud488\uc9c8 \uc800\ud558\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c, \uc2e0\ud638\ub97c \uba85\ud655\ud788 \uc720\uc9c0\ud558\uae30 \uc704\ud574 \ucd94\uac00 \uc7a5\ube44\uac00 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >PAM4\ub294 \uc5b4\ub5bb\uac8c \ub370\uc774\ud130 \uc804\uc1a1 \uc18d\ub3c4\ub97c \ub192\uc774\ub294 \ub370 \uae30\uc5ec\ud558\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">PAM4\ub294 \uc2ec\ubcfc\ub2f9 2\ube44\ud2b8\ub97c \uc804\uc1a1\ud560 \uc218 \uc788\uac8c \ud574 \uc8fc\uc5b4, \ub300\uc5ed\ud3ed\uc744 \ucd94\uac00\ub85c \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uace0\ub3c4 \ub370\uc774\ud130 \uc804\uc1a1 \uc18d\ub3c4\ub97c 2\ubc30\ub85c \ub192\uc785\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub124\ud2b8\uc6cc\ud06c\uc758 \uc18d\ub3c4\uc640 \ud6a8\uc728\uc131\uc774 \ud5a5\uc0c1\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >PAM4\ub294 \uad11\uc12c\uc720\uc5d0\ub9cc \uc801\uc6a9\ub418\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc544\ub2d9\ub2c8\ub2e4. PAM4\ub294 \uad6c\ub9ac \ucf00\uc774\ube14\uacfc \uad11\uc12c\uc720 \ucf00\uc774\ube14 \ubaa8\ub450\uc5d0 \uc801\uc6a9 \uac00\ub2a5\ud569\ub2c8\ub2e4. \ub9ce\uc740 \ub370\uc774\ud130\uc13c\ud130\uc5d0\uc11c \ub450 \uc720\ud615\uc758 \uc5f0\uacb0 \ubaa8\ub450\uc5d0 PAM4\ub97c \uc0ac\uc6a9\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\ud301: \ucd5c\uace0 \uc18d\ub3c4\ub97c \ub2ec\uc131\ud558\ub824\uba74, \uadc0\uc0ac \ub124\ud2b8\uc6cc\ud06c \ub0b4\uc5d0\uc11c PAM4\uac00 \uc791\ub3d9\ud558\ub294 \ubc29\uc2dd\uc744 \uc775\ud600 \ubcf4\uc138\uc694.<\/p><\/blockquote>","protected":false},"excerpt":{"rendered":"<p>PAM4\ub294 \uc2ec\ubcfc\ub2f9 2\ube44\ud2b8\ub97c \uc804\uc1a1\ud558\ub294 4\ub808\ubca8 \ud384\uc2a4 \uc9c4\ud3ed \ubcc0\uc870 \ubc29\uc2dd\uc73c\ub85c, \uace0\uc18d \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \ub370\uc774\ud130 \uc804\uc1a1\ub960\uc744 2\ubc30\ub85c \uc99d\uac00\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>","protected":false},"author":1,"featured_media":4019,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[26],"class_list":["post-4022","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/4022","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=4022"}],"version-history":[{"count":5,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/4022\/revisions"}],"predecessor-version":[{"id":11378,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/4022\/revisions\/11378"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media\/4019"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media?parent=4022"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/categories?post=4022"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/tags?post=4022"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}