{"id":2766,"date":"2026-03-31T00:00:00","date_gmt":"2026-03-31T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/products\/40gbase-er4-reach-compatibility-and-deployment-guide-2\/"},"modified":"2026-06-22T03:41:12","modified_gmt":"2026-06-22T03:41:12","slug":"40gbase-er4-reach-compatibility-and-deployment-guide","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ko\/products\/40gbase-er4-reach-compatibility-and-deployment-guide","title":{"rendered":"40GBASE-ER4: \uc804\uc1a1 \uac70\ub9ac, \ud638\ud658\uc131 \ubc0f \ubc30\ud3ec \uac00\uc774\ub4dc"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"536\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4ce94cb40a0f4523b8ef9dd6bd22a077-1024x536.jpg\" alt=\"40GBASE-ER4: Reach, Compatibility, and Deployment Guide\" class=\"wp-image-2755\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4ce94cb40a0f4523b8ef9dd6bd22a077-1024x536.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4ce94cb40a0f4523b8ef9dd6bd22a077-300x157.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4ce94cb40a0f4523b8ef9dd6bd22a077-768x402.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4ce94cb40a0f4523b8ef9dd6bd22a077-18x9.jpg 18w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4ce94cb40a0f4523b8ef9dd6bd22a077.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud604\ub300 \uace0\uc18d \uad11 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c,<br>, <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/472716.htm\">40GBASE-ER4<br><\/a> \ub294 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294<br> <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26153-40g-qsfp.htm\">QSFP+ \uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84<br><\/a> \ud45c\uc900\uc73c\ub85c, \ub2e8\uc77c \ubaa8\ub4dc \uad11\uc12c\uc720(SMF)\ub97c \ud1b5\ud55c \uc7a5\uac70\ub9ac 40G\ube44\ud2f0 \uc774\ub354\ub137 \uc804\uc1a1\uc744 \uc704\ud574 \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774 \ud45c\uc900\uc740 \uc8fc\ub85c \ub124\ud2b8\uc6cc\ud06c \ub9c1\ud06c\uac00 \uc57d 40km\uae4c\uc9c0 \ud655\uc7a5\ub418\uc5b4\uc57c \ud558\ub294 \uc0c1\ud669\uc5d0 \uc801\uc6a9\ub418\uba70, \ub370\uc774\ud130 \uc13c\ud130 \uac04 \uc5f0\uacb0, \uba54\ud2b8\ub85c \uc9d1\uc57d\ub9dd, \uae30\uc5c5 \ubc31\ubcf8 \ub124\ud2b8\uc6cc\ud06c \ub4f1\uc5d0\uc11c \ud575\uc2ec\uc801\uc778 \uc194\ub8e8\uc158\uc73c\ub85c \ud65c\uc6a9\ub429\ub2c8\ub2e4.<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e8\uac70\ub9ac \ub610\ub294 \ub2e4\uc911 \ubaa8\ub4dc \uae30\ubc18\uc758 40G \uad11\ud559 \uc7a5\uce58\uc640 \ub2ec\ub9ac, 40GBASE-ER4\ub294 \ud30c\uc7a5 \ubd84\ud560 \ub2e4\uc911\ud654(<br><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/wdm-optical-transceiver-module-applications\/\">WDM<\/a>) \uae30\uc220\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub4c0\ud50c\ub809\uc2a4 \ub2e8\uc77c \ubaa8\ub4dc \uad11\uc12c\uc720 \uc704\uc5d0 \ubcc4\ub3c4\uc758 10G \uc2e0\ud638 4\uac1c\ub97c \uc804\uc1a1\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc7a5\uac70\ub9ac\uc5d0\uc11c\ub3c4 \ub192\uc740 \ub300\uc5ed\ud3ed \ud6a8\uc728\uc131\uacfc \uc548\uc815\uc801\uc778 \uc2e0\ud638 \ubb34\uacb0\uc131\uc744 \ub3d9\uc2dc\uc5d0 \ud655\ubcf4\ud560 \uc218 \uc788\uc73c\uba70, \uc774\ub294 \ud604\ub300 \ubd84\uc0b0\ud615 \ub124\ud2b8\uc6cc\ud06c \uc544\ud0a4\ud14d\ucc98\uc5d0\uc11c \ud544\uc218\uc801\uc778 \uc694\uad6c \uc0ac\ud56d\uc785\ub2c8\ub2e4.<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\uc81c \uad6c\ucd95 \uad00\uc810\uc5d0\uc11c \uc2dc\uc2a4\ucf54 \uc2dc\uc2a4\ud15c\uc988(Cisco Systems) \ubc0f \uc544\ub9ac\uc2a4\ud0c0 \ub124\ud2b8\uc6cd\uc2a4(Arista Networks)\uc640 \uac19\uc740 \uc8fc\uc694 \ubca4\ub354\ub4e4\uc774 \uc790\uc0ac\uc758 40G \uc81c\ud488 \uc0dd\ud0dc\uacc4 \ub0b4\uc5d0\uc11c ER4 \uacc4\uc5f4 \uad11\ud559 \uc7a5\uce58\ub97c \uad11\ubc94\uc704\ud558\uac8c \ucc44\ud0dd\ud558\uace0 \uc9c0\uc6d0\ud574 \uc654\uc2b5\ub2c8\ub2e4. \ub3d9\uc2dc\uc5d0, <br> <a target=\"_self\" href=\"https:\/\/www.l-p.com\/page\/aboutus.htm\">LINK-PP<\/a> \uc640 \uac19\uc740 \ud0c0\uc0ac \ud638\ud658 \uad11\ud559 \uc7a5\uce58 \uc81c\uc870\uc0ac\ub4e4\ub3c4 \uc8fc\ub958 \uc2a4\uc704\uce6d \ud50c\ub7ab\ud3fc\uacfc\uc758 \ud638\ud658\uc131\uc744 \uc720\uc9c0\ud558\uba74\uc11c \uad6c\ucd95 \ube44\uc6a9\uc744 \uc808\uac10\ud560 \uc218 \uc788\ub294 \uc0c1\ud638 \uc6b4\uc6a9 \uac00\ub2a5\ud55c \uc194\ub8e8\uc158\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubcf8 \uac00\uc774\ub4dc\ub294 \ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4, \uc870\ub2ec \ud300, IT \uc544\ud0a4\ud14d\ud2b8\uac00 40GBASE-ER4\uac00 \ubb34\uc5c7\uc778\uc9c0, \ub124\ud2b8\uc6cc\ud06c \uc2a4\ud0dd \ub0b4\uc5d0\uc11c \uc5b4\ub5a4 \uc704\uce58\ub97c \ucc28\uc9c0\ud558\ub294\uc9c0, \uadf8\ub9ac\uace0 \uc548\uc815\uc801\uc778 \uc7a5\uac70\ub9ac 40G \uad6c\ucd95\uc744 \uc704\ud574 \uc801\uc808\ud55c \ud638\ud658 \ubaa8\ub4c8\uc744 \uc5b4\ub5bb\uac8c \uc120\ud0dd\ud574\uc57c \ud558\ub294\uc9c0\ub97c \uc2e0\uc18d\ud788 \uc774\ud574\ud558\ub3c4\ub85d \ub3d5\uc2b5\ub2c8\ub2e4.<br>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705 40GBASE-ER4\ub780?<br><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4\ub294 \ub2e8\uc77c \ubaa8\ub4dc \uad11\uc12c\uc720\ub97c \ud1b5\ud55c \uc7a5\uac70\ub9ac \ub370\uc774\ud130 \uc804\uc1a1\uc744 \uc704\ud55c 40\uae30\uac00\ube44\ud2b8 \uc774\ub354\ub137<br> <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/472717.htm\">QSFP+ \ubaa8\ub4c8<\/a> \ud45c\uc900\uc73c\ub85c, \uc77c\ubc18\uc801\uc73c\ub85c \uc57d 40km\uae4c\uc9c0\uc758 \ub9c1\ud06c \uac70\ub9ac\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac04\ub2e8\ud788 \ub9d0\ud574, \uc774\ub294 \uace0\uc18d \ub124\ud2b8\uc6cc\ud06c \uc2a4\uc704\uce58 \ubc0f \ub77c\uc6b0\ud130\uc5d0 \uc0bd\uc785\ub418\ub294<br> <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/473105.htm\">\uad11\uc12c\uc720 \ubaa8\ub4c8<br><\/a> \ub85c\uc11c, \ub4c0\ud50c\ub809\uc2a4 \ub2e8\uc77c \ubaa8\ub4dc \uad11\uc12c\uc720(SMF)\ub97c \uc0ac\uc6a9\ud574 \ub450 \uc6d0\uac70\ub9ac \uc9c0\uc810 \uac04\uc5d0 40G \uc774\ub354\ub137 \uc2e0\ud638\ub97c \uc804\uc1a1\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<br>.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ff951fad2c904bb3945f446a905989e3.jpg\" alt=\"What Is 40GBASE-ER4?\" class=\"wp-image-2756\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ff951fad2c904bb3945f446a905989e3.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ff951fad2c904bb3945f446a905989e3-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ff951fad2c904bb3945f446a905989e3-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ff951fad2c904bb3945f446a905989e3-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ff951fad2c904bb3945f446a905989e3-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">QSFP+ \uc815\uc758<br><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">QSFP+(\ucffc\ub4dc \uc18c\ud615 \ud3fc\ud329\ud130 \ud50c\ub7ec\uadf8\uc5b4\ube14 \ud50c\ub7ec\uc2a4)\ub294 \uace0\uc18d \ub124\ud2b8\uc6cc\ud0b9\uc744 \uc704\ud55c \uc18c\ud615\uc758<br>, <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/473101.htm\">\ud56b \uc2a4\uc651 \uac00\ub2a5 \uad11 \ud2b8\ub79c\uc2dc\ubc84\uc785\ub2c8\ub2e4.<\/a> \ud3fc \ud329\ud130\uc785\ub2c8\ub2e4.<br>\uc774 \uc7a5\uce58\ub294 4\uac1c\uc758 \ub3c5\ub9bd\ub41c \ub370\uc774\ud130 \ucc44\ub110\uc744 \uc9c0\uc6d0\ud558\uba70, \uac01 \ucc44\ub110\uc740 \uc77c\ubc18\uc801\uc73c\ub85c 10G\uc758 \ud2b8\ub798\ud53d\uc744 \uc804\uc1a1\ud558\uc5ec \ucd1d 40G\uc758 \ucc98\ub9ac\ub7c9\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4\uc758 \uacbd\uc6b0, QSFP+ \ubaa8\ub4c8\uc740 4\uac1c\uc758 \ubcc4\ub3c4 \ubb3c\ub9ac\uc801 \uad11\uc12c\uc720 \ub300\uc2e0 4\uac1c\uc758 \ud30c\uc7a5(\ud30c\uc7a5 \ubd84\ud560 \ub2e4\uc911\ud654 \uae30\uc220, WDM)\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud45c\uc900 \ub4c0\ud50c\ub809\uc2a4 \ub2e8\uc77c\ubaa8\ub4dc \uad11\uc12c\uc720(SMF) \ub9c1\ud06c\ub97c \ud1b5\ud55c \ud6a8\uc728\uc801\uc778 \uc7a5\uac70\ub9ac \uc804\uc1a1\uc744 \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">40GBASE-ER4\uc758 \uc26c\uc6b4 \uc124\uba85<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ube60\ub974\uac8c \uc774\ud574\ud558\ub824\uba74:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>40GBASE<\/strong> \u2192 40\uae30\uac00\ube44\ud2b8 \uc774\ub354\ub137 \ud45c\uc900<\/p><\/li>\n\n\n\n<li><p><strong>ER<\/strong> \u2192 \ud655\uc7a5\ub41c \uc804\ub2ec \uac70\ub9ac(\uc7a5\uac70\ub9ac \uc804\uc1a1)<\/p><\/li>\n\n\n\n<li><p><strong>4<\/strong> \u2192 \ud30c\uc7a5 \ubd84\ud560 \ub2e4\uc911\ud654(WDM) \uae30\uc220\uc744 \uc0ac\uc6a9\ud558\ub294 4\uac1c\uc758 \uad11 \ucc44\ub110<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c 40GBASE-ER4\ub294 \ubcf8\uc9c8\uc801\uc73c\ub85c \ub2e4\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">A <a href=\"https:\/\/www.l-p.com\/products\/472719.htm\" target=\"_self\">40G \uad11 \ubaa8\ub4c8<\/a> \ub2e8\uc77c\ubaa8\ub4dc \uad11\uc12c\uc720(SMF) \uc704\uc5d0\uc11c \uacb0\ud569\ub41c 4\uac1c\uc758 \uad11 \uc2e0\ud638\ub97c \uc0ac\uc6a9\ud574 \uc7a5\uac70\ub9ac\ub85c \ub370\uc774\ud130\ub97c \uc804\uc1a1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">\uc2e4\uc81c \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c\uc758 \uc704\uce58<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\ubb34 \ubc30\ud3ec \uc2dc 40GBASE-ER4\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub370\uc774\ud130 \uc13c\ud130 \uac04 \uc5f0\uacb0(DCI)<\/p><\/li>\n\n\n\n<li><p>\uba54\ud2b8\ub85c \uc9c0\uc5ed \ub124\ud2b8\uc6cc\ud06c \ub9c1\ud06c<\/p><\/li>\n\n\n\n<li><p>\uc7a5\uac70\ub9ac \uae30\uc5c5 \ubc31\ubcf8 \uc5f0\uacb0<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc548\uc815\uc801\uc778 \uc7a5\uac70\ub9ac \uad11 \uc5f0\uacb0\uc774 \uc694\uad6c\ub418\ub294 \ud658\uacbd\uc5d0\uc11c \uc2dc\uc2a4\ucf54 \uc2dc\uc2a4\ud15c\uc988(Cisco Systems) \ubc0f \uc544\ub9ac\uc2a4\ud0c0 \ub124\ud2b8\uc6cc\ud06c\uc2a4(Arista Networks) \ub4f1 \uc8fc\uc694 \ubca4\ub354\uc758 \uace0\uc131\ub2a5 \uc2a4\uc704\uce6d \ud658\uacbd\uc5d0 \uc77c\ubc18\uc801\uc73c\ub85c \ubc30\ud3ec\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705 40GBASE-ER4 \uc0ac\uc591 \ubc0f \uc804\ub2ec \uac70\ub9ac<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4\ub294 \ub2e8\uc77c\ubaa8\ub4dc \uad11\uc12c\uc720(SMF) \uc0c1\uc5d0\uc11c \uc7a5\uac70\ub9ac 40G \uc774\ub354\ub137 \uc804\uc1a1\uc744 \uc704\ud574 \uc124\uacc4\ub418\uc5c8\uc73c\uba70, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/single-mode-fiber-os1-vs-os2-comparison-indoor-outdoor-use\/\">\ub2e8\uc77c \ubaa8\ub4dc \uad11\uc12c\uc720<\/a>, \uadf8 \uc0ac\uc591\uc740 \ub9c1\ud06c \uac70\ub9ac\uc640 \uad11\ud559\uc801 \uc5ec\uc720\ub3c4\uac00 \uc911\uc694\ud55c \uba54\ud2b8\ub85c \ubc0f \ub370\uc774\ud130 \uc13c\ud130 \uac04 \ud658\uacbd\uc5d0\uc11c \uc548\uc815\uc801\uc778 \uc131\ub2a5\uc744 \ucd5c\uc801\ud654\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/eb618ef17eff43ef84a18f2b8f3a9d7c.jpg\" alt=\"40GBASE-ER4 Specifications and Reach\" class=\"wp-image-2757\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/eb618ef17eff43ef84a18f2b8f3a9d7c.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/eb618ef17eff43ef84a18f2b8f3a9d7c-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/eb618ef17eff43ef84a18f2b8f3a9d7c-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/eb618ef17eff43ef84a18f2b8f3a9d7c-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/eb618ef17eff43ef84a18f2b8f3a9d7c-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\uc8fc\uc694 \uc0ac\uc591 \uac1c\uc694<\/h3>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 228px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"228\"><p>\uce74\ud14c\uace0\ub9ac<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc0ac\uc591<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"228\"><p>\ud45c\uc900<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>40GBASE-ER4(40\uae30\uac00\ube44\ud2b8 \uc774\ub354\ub137)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"228\"><p>\ud3fc \ud329\ud130<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>QSFP+(\ucffc\ub4dc \uc18c\ud615 \ud3fc\ud329\ud130 \ud50c\ub7ec\uadf8\uc778 \ud50c\ub7ec\uc2a4)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"228\"><p>\ub370\uc774\ud130 \uc804\uc1a1 \uc18d\ub3c4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>40Gbps(4 \u00d7 10Gbps \ucc44\ub110)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"228\"><p>SWDM4(4 \ucc44\ub110)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud30c\uc7a5 \ubd84\ud560 \ub2e4\uc911\ud654(WDM)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"228\"><p>\uad11\uc12c\uc720 \uc720\ud615<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub2e8\uc77c\ubaa8\ub4dc \uad11\uc12c\uc720(SMF, \uad8c\uc7a5: G.652)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"228\"><p>\ucee4\ub125\ud130 \uc720\ud615<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/sfp-duplex-lc-connector-explained\/\">\ub4c0\ud50c\ub809\uc2a4 LC<\/a><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"228\"><p>\ud30c\uc7a5<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1310nm \ub300\uc5ed \ub0b4 4\uac1c\uc758 \ud30c\uc7a5<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"228\"><p>\ucd5c\ub300 \uc804\uc1a1 \uac70\ub9ac<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub4c0\ud50c\ub809\uc2a4 LC\/UPC<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"228\"><p>\uc77c\ubc18\uc801\uc778 \uc0ac\uc6a9 \uc0ac\ub840<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub370\uc774\ud130 \uc13c\ud130 \uac04 \uc5f0\uacb0, \uba54\ud2b8\ub85c \ub124\ud2b8\uc6cc\ud06c, \uae30\uc5c5 \ubc31\ubcf8<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"228\"><p>\ub9c1\ud06c \uc720\ud615<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc810\ub300\uc810 \uad11 \ub9c1\ud06c<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"228\"><p>\ub4c0\ud50c\ub809\uc2a4\/\uc2ec\ud50c\ub809\uc2a4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub4c0\ud50c\ub809\uc2a4(Tx\/Rx \uc30d)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"228\"><p>\ud638\ud658\uc131<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>QSFP+ 40G \uc774\ub354\ub137 \ud3ec\ud2b8(\ubca4\ub354\ubcc4\ub85c \uc0c1\uc774\ud568, \uc608: \uc2dc\uc2a4\ucf54\/\uc544\ub9ac\uc2a4\ud0c0 \ud50c\ub7ab\ud3fc)<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \uc0ac\uc591\uc73c\ub85c \uc778\ud574 40GBASE-ER4\ub294 \uae30\uc5c5 \ubc0f \uc11c\ube44\uc2a4 \uc81c\uacf5\uc790 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \uac00\uc7a5 \uae34 \uc804\ub2ec \uac70\ub9ac\ub97c \uc9c0\uc6d0\ud558\ub294 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26153-40g-qsfp.htm\">40G QSFP+<\/a> \uad11\ubc94\uc704\ud558\uac8c \ubc30\ud3ec\ub41c \uc194\ub8e8\uc158 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uad11\uc12c\uc720 \uc885\ub958: \uc65c \ub2e8\uc77c\ubaa8\ub4dc \uad11\uc12c\uc720\uac00 \ud544\uc218\uc801\uc778\uac00<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4\ub294 \ub2e8\uc77c \ubaa8\ub4dc \uad11\uc12c\uc720(SMF) \ud658\uacbd \uc804\uc6a9\uc73c\ub85c \uc5c4\uaca9\ud788 \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ub2e4\uc911 \ubaa8\ub4dc \uad11\uc12c\uc720(MMF)\uc640 \ub2ec\ub9ac SMF\ub294 \ud6e8\uc52c \ub354 \uc791\uc740 \ucf54\uc5b4 \uc9c0\ub984\uc744 \uac00\uc9c0\uba70, \uc774\ub85c \uc778\ud574 \ubaa8\ub4dc \ubd84\uc0b0\uc774 \uac10\uc18c\ud558\uace0 \uad11 \uc2e0\ud638\uac00 \ucd5c\uc18c\ud55c\uc758 \uc190\uc2e4\ub85c \ud6e8\uc52c \ub354 \uae34 \uac70\ub9ac\ub97c \uc804\ub2ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \uc124\uacc4\ub85c \uc778\ud574:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub2e4\uc911 \ubaa8\ub4dc \uad11\uc12c\uc720(MMF)\uc5d0\uc11c\ub294 \uc791\ub3d9\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<a href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/fiber-optic-cable-om3-vs-om4\/\" target=\"_blank\" rel=\"\">\u274c \ub2e4\uc911\ubaa8\ub4dc \uad11\uc12c\uc720(<span class=\"highlight\">OM3\/OM4<\/span>) \uc0ac\uc6a9 \u2192 40km\uc5d0\uc11c\ub294 \uc791\ub3d9\ud558\uc9c0 \uc54a\uc74c<\/a>)<\/p><\/li>\n\n\n\n<li><p>\uae68\ub057\ud558\uace0 \uc800\uc190\uc2e4 \uad11\ud559 \uacbd\ub85c\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p>\uc7a5\uac70\ub9ac \uad6c\uc870\ud654 \ucf00\uc774\ube14\ub9c1 \ub610\ub294 \ud1b5\uc2e0\uc0ac\uae09 \uc778\ud504\ub77c\uc5d0 \uac00\uc7a5 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\ucee4\ub125\ud130 \uc720\ud615: \ub4c0\ud50c\ub809\uc2a4 LC \uc778\ud130\ud398\uc774\uc2a4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ubaa8\ub4c8\uc740 \ub4c0\ud50c\ub809\uc2a4 LC \ucee4\ub125\ud130\ub97c \uc0ac\uc6a9\ud558\uba70, \uc774\ub294 \uace0\ubc00\ub3c4 \uad11 \ub124\ud2b8\uc6cc\ud0b9\uc744 \uc704\ud55c \uc0b0\uc5c5 \ud45c\uc900\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub294 \ub2e4\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ud558\ub098\uc758 \uad11\uc12c\uc720 \uc2a4\ud2b8\ub79c\ub4dc\uac00 \uc1a1\uc2e0(Tx)\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p>\ud558\ub098\uc758 \uad11\uc12c\uc720 \uc2a4\ud2b8\ub79c\ub4dc\uac00 \uc218\uc2e0(Rx)\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub0b4\ubd80\uc801\uc73c\ub85c WDM(4\uac1c \ud30c\uc7a5)\uc744 \uc0ac\uc6a9\ud558\ub354\ub77c\ub3c4 \uc678\ubd80 \uc778\ud130\ud398\uc774\uc2a4\ub294 \uac04\ub2e8\ud55c \ub4c0\ud50c\ub809\uc2a4 LC \uc5f0\uacb0\ub85c \uc720\uc9c0\ub418\ubbc0\ub85c, \ubc30\uce58 \ubc0f \ucf00\uc774\ube14\ub9c1 \uc124\uacc4\uac00 \ub2e8\uc21c\ud574\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc804\ub2ec \uac70\ub9ac \ubc0f \ubc30\uce58 \uac70\ub9ac<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4\uc758 \ud575\uc2ec \ud2b9\uc131\uc740 \ud655\uc7a5\ub41c \uc804\ub2ec \uac70\ub9ac \ub2a5\ub825\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\ud45c\uc900 \uc804\ub2ec \uac70\ub9ac:<\/strong> SMF \uae30\uc900 \ucd5c\ub300 \uc57d 40km<\/p><\/li>\n\n\n\n<li><p><strong>\uc2e4\uc81c \ud604\uc7a5 \ubc30\uce58 \ubc94\uc704:<\/strong> \ub9c1\ud06c \uc608\uc0b0 \ubc0f \uac10\uc1e0\uc5d0 \ub530\ub77c 10km~40km<\/p><\/li>\n\n\n\n<li><p><strong>\ucd5c\uc801\ud654 \ub300\uc0c1:<\/strong> \uc7a5\uac70\ub9ac \uc810\ub300\uc810 \ub9c1\ud06c<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2dc\uc2a4\ucf54 \uc2dc\uc2a4\ud15c\uc988(Cisco Systems) \ubc0f \uc544\ub9ac\uc2a4\ud0c0 \ub124\ud2b8\uc6cc\ud06c\uc2a4(Arista Networks) \ub4f1 \uc8fc\uc694 \ub124\ud2b8\uc6cc\ud0b9 \uc81c\uc870\uc0ac\uc758 \uacf5\uae09\uc5c5\uccb4 \ubb38\uc11c\ub294 ER4\ub97c \uc77c\uad00\ub418\uac8c 40km\uae09 \uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub85c \ubd84\ub958\ud558\uba70, \uba54\ud2b8\ub85c \uc5f0\uacb0 \ubc0f \ub370\uc774\ud130\uc13c\ud130 \uc0c1\ud638\uc5f0\uacb0(DCI) \uc2dc\ub098\ub9ac\uc624\uc5d0 \uc0ac\uc6a9\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc2e4\uc6a9\uc801\uc778 \ubc30\uce58 \uace0\ub824 \uc0ac\ud56d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ER4\ub294 \uc7a5\uac70\ub9ac \uc804\ub2ec \uc131\ub2a5\uc744 \ubcf4\uc7a5\ud558\uc9c0\ub9cc, \uc2e4\uc81c \uc131\ub2a5\uc740 \ub2e4\uc74c \uc694\uc18c\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ucd1d \uad11\ud559 \uc190\uc2e4(\uad11\uc12c\uc720 \uac10\uc1e0 + \ucee4\ub125\ud130 + \uc2a4\ud30c\uc774\uc2a4)<\/p><\/li>\n\n\n\n<li><p>\ub2e8\uc77c \ubaa8\ub4dc \uad11\uc12c\uc720\uc758 \ud488\uc9c8(G.652 vs. \uad6c\uc2dd \uc124\uce58 \ud658\uacbd)<\/p><\/li>\n\n\n\n<li><p>\uad11\ud559 \uc99d\ud3ed\uae30\uc758 \uc874\uc7ac \uc5ec\ubd80(\ud655\uc7a5 \ub9c1\ud06c\uc5d0\uc11c \ud544\uc694\ud560 \uacbd\uc6b0)<\/p><\/li>\n\n\n\n<li><p>\uc2a4\uc704\uce58 \ud50c\ub7ab\ud3fc \ud638\ud658\uc131 \ubc0f \uad11\ud559 \ucd9c\ub825 \uc608\uc0b0<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc124\uacc4\ub41c \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c\ub294 ER4\uac00 \uc885\uc885 \uc0ac\uc774\ud2b8 \uac04 \uc9c1\uc811 \uad11\uc12c\uc720 \uacbd\ub85c\uac00 \uc874\uc7ac\ud558\ub294 \uacbd\uc6b0\uc5d0 \uc0ac\uc6a9\ub418\uba70, \uc911\uac04 \uc7ac\uc0dd \uc7a5\ube44\uac00 \ud544\uc694\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705 40GBASE-ER4\uac00 \uc0ac\uc6a9\ub418\ub294 \uacbd\uc6b0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/473106.htm\">40G-ER4<\/a> \uc77c\ubc18\uc801\uc778 \ub2e8\uac70\ub9ac \ub370\uc774\ud130\uc13c\ud130\uc6a9 \uad11\ubaa8\ub4c8\uc774 \uc544\ub2d9\ub2c8\ub2e4. \uc774 \ubaa8\ub4c8\uc740 SR4 \ub610\ub294 LR4 \ubaa8\ub4c8\uc758 \uc77c\ubc18\uc801\uc778 \uc804\uc1a1 \uac70\ub9ac\ubcf4\ub2e4 \ud6e8\uc52c \uae34 \uac70\ub9ac\uc5d0\uc11c \uace0\ub300\uc5ed\ud3ed 40G \uc5f0\uacb0\uc744 \uc704\ud574 \ud2b9\ubcc4\ud788 \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ub2e8\uc77c\ubaa8\ub4dc \uad11\uc12c\uc720\uc5d0\uc11c \ucd5c\ub300 40km\uae4c\uc9c0 \uc9c0\uc6d0\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0, \ud1b5\uc2e0 \uc0ac\uc5c5\uc790\uae09 \ubc0f \uae30\uc5c5 \ubc31\ubcf8 \ud658\uacbd\uc5d0 \ub110\ub9ac \ubc30\uce58\ub429\ub2c8\ub2e4.<\/p>\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\/3c1d194d4f354954a80c08b0477acf1a.jpg\" alt=\" Where 40GBASE-ER4 Is Used\" class=\"wp-image-2758\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3c1d194d4f354954a80c08b0477acf1a.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3c1d194d4f354954a80c08b0477acf1a-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3c1d194d4f354954a80c08b0477acf1a-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3c1d194d4f354954a80c08b0477acf1a-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3c1d194d4f354954a80c08b0477acf1a-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\ub370\uc774\ud130\uc13c\ud130 \uc0c1\ud638\uc5f0\uacb0(DCI)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4\uc758 \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \uc0ac\uc6a9 \uc0ac\ub840 \uc911 \ud558\ub098\ub294 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/data-center-interconnect-definition-benefits-and-role-of-optical-modules\/\">\ub370\uc774\ud130\uc13c\ud130 \uac04 \uc5f0\uacb0<\/a> (DCI)\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \uc2dc\ub098\ub9ac\uc624\uc5d0\uc11c\ub294 \uc870\uc9c1\uc774 \uc11c\ub85c \ub2e4\ub978 \uac74\ubb3c, \ucea0\ud37c\uc2a4 \ub610\ub294 \uc2ec\uc9c0\uc5b4 \ub3c4\uc2dc\uc5d0 \uc704\uce58\ud55c \ub450 \uac1c\uc758 \ubcc4\ub3c4 \ub370\uc774\ud130\uc13c\ud130\ub97c \uc5f0\uacb0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \uc694\uad6c \uc0ac\ud56d\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uace0\ub300\uc5ed\ud3ed(40G \uc9d1\uacc4 \ud2b8\ub798\ud53d)<\/p><\/li>\n\n\n\n<li><p>\uc548\uc815\uc801\uc778 \uc7a5\uac70\ub9ac \uc804\uc1a1<\/p><\/li>\n\n\n\n<li><p>\ub0ae\uc740 \uc9c0\uc5f0 \uc2dc\uac04 <a href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/point-to-point-network-architecture-guide\/\" target=\"_blank\" rel=\"\">\uc810\ub300\uc810(point-to-point)<\/a> \ub9c1\ud06c<\/p><\/li>\n\n\n\n<li><p>\uc2e0\ub8b0\uc131 \uc788\ub294 \ub2e8\uc77c\ubaa8\ub4dc \uad11\uc12c\uc720 \uc778\ud504\ub77c<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4\ub294 \uc911\uac04 \uc2e0\ud638 \uc7ac\uc0dd \uc7a5\ube44 \uc5c6\uc774 \uc7a5\uac70\ub9ac\ub85c \ub370\uc774\ud130\ub97c \uc804\uc1a1\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c, \uc9c1\uc811 \uc0ac\uc774\ud2b8 \uac04 \uc5f0\uacb0\uc5d0 \uc788\uc5b4 \ube44\uc6a9 \ud6a8\uc728\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub294 Cisco Systems, Arista Networks\uc640 \uac19\uc740 \ub124\ud2b8\uc6cc\ud0b9 \uc0dd\ud0dc\uacc4\uc758 \ub300\uaddc\ubaa8 \ubc30\ud3ec\uc5d0\uc11c \ud2b9\ud788 \ud754\ud569\ub2c8\ub2e4. <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/472717.htm\">\uc2dc\uc2a4\ucf54 \uc2dc\uc2a4\ud15c\uc988<\/a> \ubc0f <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/472719.htm\">\uc544\ub9ac\uc2a4\ud0c0 \ub124\ud2b8\uc6cc\ud06c\uc2a4<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ucea0\ud37c\uc2a4 \ub124\ud2b8\uc6cc\ud06c \ubc31\ubcf8 \ub9c1\ud06c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub610 \ub2e4\ub978 \uc911\uc694\ud55c \ubc30\ud3ec \uc2dc\ub098\ub9ac\uc624\ub294 \ub300\uaddc\ubaa8 \uae30\uc5c5 \ucea0\ud37c\uc2a4 \ub124\ud2b8\uc6cc\ud06c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub300\ud559, \uc815\ubd80 \uc2dc\uc124, \ubcd1\uc6d0 \ubc0f \uae30\uc5c5 \ucea0\ud37c\uc2a4\uc5d0\uc11c\ub294 \ub124\ud2b8\uc6cc\ud06c \ub178\ub4dc\uac00 \uc218\ubc31 \ubbf8\ud130\uc5d0\uc11c \uc218 \ud0ac\ub85c\ubbf8\ud130 \ub5a8\uc5b4\uc9c4 \uc5ec\ub7ec \uac74\ubb3c\uc5d0 \ubd84\uc0b0\ub418\uc5b4 \uc788\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4\ub294 \ub2e4\uc74c \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ucf54\uc5b4 \uc2a4\uc704\uce58 \uac04 \uc0c1\ud638 \uc5f0\uacb0<\/p><\/li>\n\n\n\n<li><p>\uac74\ubb3c \uac04 \uad11\uc12c\uc720 \ubc31\ubcf8<\/p><\/li>\n\n\n\n<li><p>\uc9d1\uc57d \uacc4\uce35 \uc5c5\ub9c1\ud06c<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8 \uc7a5\uac70\ub9ac \uc804\uc1a1 \ub2a5\ub825\uc73c\ub85c \uc778\ud574 \ud45c\uc900 \ub2e4\uc911\ubaa8\ub4dc \uad11\ubaa8\ub4c8\uc774 \uc694\uad6c \uac70\ub9ac\ub97c \uc548\uc815\uc801\uc73c\ub85c \ucee4\ubc84\ud560 \uc218 \uc5c6\ub294 \ucea0\ud37c\uc2a4\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uba54\ud2b8\ub85c \ubc0f \uc9c0\uc5ed \uc6b4\ubc18\ub9dd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4\ub294 \uba54\ud2b8\ub85c \uc774\ub354\ub137 \ubc0f \uc9c0\uc5ed \uc6b4\ubc18\ub9dd\uc5d0\uc11c\ub3c4 \ub110\ub9ac \uc0ac\uc6a9\ub418\uba70, \uc11c\ube44\uc2a4 \uc81c\uacf5\uc5c5\uccb4 \ubc0f \ub300\uae30\uc5c5\uc774 \ub3c4\uc2dc \ub610\ub294 \uc9c0\uc5ed \ub0b4 \uc778\ud504\ub77c\ub97c \uc5f0\uacb0\ud574\uc57c \ud560 \ub54c \ud65c\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \uc751\uc6a9 \ubd84\uc57c\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uba54\ud2b8\ub85c \uc9d1\uc57d\ub9dd<\/p><\/li>\n\n\n\n<li><p>\uc11c\ube44\uc2a4 \uc81c\uacf5\uc5c5\uccb4 \uc5d0\uc9c0 \uc5f0\uacb0<\/p><\/li>\n\n\n\n<li><p>\uc7a5\uac70\ub9ac \uae30\uc5c5 <a href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/what-is-a-wide-area-network\/\" target=\"_blank\" rel=\"\">WAN<\/a> \ud655\uc7a5<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">SMF\ub97c \ud1b5\ud55c \uc7a5\uac70\ub9ac \uc804\uc1a1\uc744 \uc9c0\uc6d0\ud558\uae30 \ub54c\ubb38\uc5d0 ER4\ub294 \uc911\uac04 \ub178\ub4dc\uc5d0\uc11c \ube44\uc6a9\uc774 \ub9ce\uc774 \ub4dc\ub294 \uad11 \uc7ac\uc0dd \uc7a5\ube44\uc758 \ud544\uc694\uc131\uc744 \uc904\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uae30\uc5c5\uc6a9 WAN \ubc0f \uc7ac\ud574 \ubcf5\uad6c \ub9c1\ud06c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9ce\uc740 \uae30\uc5c5\ub4e4\uc774 \uc9c0\ub9ac\uc801\uc73c\ub85c \ubd84\ub9ac\ub41c \uc0ac\uc774\ud2b8 \uac04 \uc7ac\ud574 \ubcf5\uad6c(DR) \ubc0f \ube44\uc988\ub2c8\uc2a4 \uc5f0\uc18d\uc131 \ub9c1\ud06c\ub85c 40GBASE-ER4\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \ub9c1\ud06c\ub294 \ub2e4\uc74c \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc8fc \ub370\uc774\ud130 \uc13c\ud130\uc640 \ubc31\uc5c5 \ub370\uc774\ud130 \uc13c\ud130 \uac04 \ud575\uc2ec \ub370\uc774\ud130 \ubcf5\uc81c<\/p><\/li>\n\n\n\n<li><p>\uc2e4\uc2dc\uac04 \ub610\ub294 \uc900\uc2e4\uc2dc\uac04 \ub3d9\uae30\ud654 \uc720\uc9c0<\/p><\/li>\n\n\n\n<li><p>\uc815\uc804 \ubc1c\uc0dd \uc2dc \uc7a5\uc560 \uc870\uce58(failover) \uc900\ube44 \uc0c1\ud0dc \ud655\ubcf4<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">ER4\uc758 \uc548\uc815\uc131\uacfc \uc7a5\uac70\ub9ac \uc804\uc1a1 \ub2a5\ub825\uc740 \ub2e4\uc6b4\ud0c0\uc784\uc774 \ud5c8\uc6a9\ub418\uc9c0 \uc54a\ub294 \uc784\ubb34 \uc911\uc2ec \uc778\ud504\ub77c\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ER4\ub97c \uc120\ud0dd\ud574\uc57c \ud560 \uacbd\uc6b0<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4\ub294 \ub2e4\uc74c \uacbd\uc6b0\uc5d0 \uc120\ud638\ub418\ub294 \uc635\uc158\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uac70\ub9ac\uac00 \ud45c\uc900 LR4 \uc81c\ud55c\uc744 \ucd08\uacfc\ud560 \ub54c<\/p><\/li>\n\n\n\n<li><p>\ub2e8\uc77c \ubaa8\ub4dc \uad11\uc12c\uc720(SMF) \uc778\ud504\ub77c\uac00 \uc774\ubbf8 \uad6c\ucd95\ub418\uc5b4 \uc788\uc744 \ub54c<\/p><\/li>\n\n\n\n<li><p>\uc9c1\uc811\uc801\uc778 \uc810\ub300\uc810 \uad11 \ub9c1\ud06c\uac00 \ud544\uc694\ud560 \ub54c<\/p><\/li>\n\n\n\n<li><p>\uc7a5\uac70\ub9ac\uc5d0\uc11c \ub192\uc740 \uc2e0\ub8b0\uc131\uc774 \ud544\uc218\uc801\uc77c \ub54c<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc694\uc57d\ud558\uc790\uba74, \uc774\ub294 \uc77c\ubc18\uc801\uc778 \ub370\uc774\ud130\uc13c\ud130 \uc561\uc138\uc2a4 \uad11\ubaa8\ub4c8\uc774 \uc544\ub2c8\ub77c, \ubc31\ubcf8 \ub4f1\uae09 \uc5f0\uacb0\uc744 \uc704\ud55c \ud2b9\ud654\ub41c \uc7a5\uac70\ub9ac 40G \uc194\ub8e8\uc158\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705 40GBASE-ER4 \ud638\ud658\uc131 \uccb4\ud06c\ub9ac\uc2a4\ud2b8<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><code>QSFP+ ER4<\/code> \ubaa8\ub4c8\uc744 \ubc30\ud3ec\ud558\uae30 \uc804\uc5d0 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/472810.htm\"><code>QSFP+ ER4<\/code><\/a> \ud638\ud658\uc131 \uac80\uc99d\uc740 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \ub2e8\uac70\ub9ac \uad11\ubaa8\ub4c8\uacfc \ub2ec\ub9ac ER4\ub294 \uc7a5\uac70\ub9ac\uc5d0\uc11c \uc791\ub3d9\ud558\uba70 \ub354 \ub192\uc740 \uad11 \ucd9c\ub825 \uc608\uc0b0\uc744 \uc694\uad6c\ud558\ubbc0\ub85c, \uc798\ubabb\ub41c \ubc30\ud3ec\ub294 \ub9c1\ud06c \ubd88\uc548\uc815, \uc218\uc2e0\uae30 \uacfc\ubd80\ud558 \ub610\ub294 \uc2a4\uc704\uce58 \ud3ec\ud2b8\uc640\uc758 \uc644\uc804\ud55c \ubd88\ud638\ud658\uc744 \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubcf8 \uc139\uc158\uc5d0\uc11c\ub294 \uc2a4\uc704\uce58 \uc9c0\uc6d0 \uc5ec\ubd80, \ubca4\ub354 \uc81c\ud55c \uc0ac\ud56d, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/ddm-dom-in-optical-transceivers\/\">DOM<\/a> \ubaa8\ub2c8\ud130\ub9c1, \uac10\uc1e0 \uc694\uad6c \uc0ac\ud56d, \uad11\uc12c\uc720 \uc778\ud504\ub77c \uc900\ube44 \uc0c1\ud0dc\ub97c \ud3ec\ud568\ud55c \uc2e4\uc6a9\uc801\uc778 \uccb4\ud06c\ub9ac\uc2a4\ud2b8\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\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\/7a1786b5cef94af3a8dc06bfb4d3e0e6.jpg\" alt=\"40GBASE-ER4 Compatibility Checklist\" class=\"wp-image-2759\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7a1786b5cef94af3a8dc06bfb4d3e0e6.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7a1786b5cef94af3a8dc06bfb4d3e0e6-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7a1786b5cef94af3a8dc06bfb4d3e0e6-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7a1786b5cef94af3a8dc06bfb4d3e0e6-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7a1786b5cef94af3a8dc06bfb4d3e0e6-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c6 \uc2a4\uc704\uce58 \ubc0f \ud50c\ub7ab\ud3fc \uc9c0\uc6d0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00\uc7a5 \uba3c\uc800 \uadf8\ub9ac\uace0 \uac00\uc7a5 \uc911\uc694\ud55c \ub2e8\uacc4\ub294 \uc0ac\uc6a9 \uc911\uc778 \uc2a4\uc704\uce58\uac00 40G QSFP+ <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/473107.htm\">ER4 \uad11\ubaa8\ub4c8\uc744 \uc9c0\uc6d0\ud558\ub294\uc9c0 \ud655\uc778\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc8fc\uc694 \uace0\ub824 \uc0ac\ud56d\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>QSFP+ 40G \ud3ec\ud2b8 \uac00\uc6a9\uc131(QSFP28 \uc804\uc6a9 \ud3ec\ud2b8\uac00 \uc544\ub2d8)<\/p><\/li>\n\n\n\n<li><p>\ubca4\ub354\ubcc4 \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \ud638\ud658\uc131 \ubaa9\ub85d<\/p><\/li>\n\n\n\n<li><p>ER4 \uad11\ubaa8\ub4c8\uc5d0 \ub300\ud55c \ud38c\uc6e8\uc5b4 \uc9c0\uc6d0<\/p><\/li>\n\n\n\n<li><p>\ud50c\ub7ab\ud3fc \ub370\uc774\ud130\uc2dc\ud2b8\uc5d0 40GBASE-ER4\uc5d0 \ub300\ud55c \uba85\uc2dc\uc801 \uc9c0\uc6d0 \uae30\uc7ac<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2dc\uc2a4\ucf54 \uc2dc\uc2a4\ud15c\uc988(Cisco Systems) \ubc0f \uc544\ub9ac\uc2a4\ud0c0 \ub124\ud2b8\uc6cc\ud06c\uc2a4(Arista Networks)\uc640 \uac19\uc740 \uc5d4\ud130\ud504\ub77c\uc774\uc988\uae09 \ubca4\ub354\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc5c4\uaca9\ud55c \uad11\ud559 \ud638\ud658\uc131 \ub9e4\ud2b8\ub9ad\uc2a4\ub97c \uc720\uc9c0\ud558\ubbc0\ub85c, \ubaa8\ub4e0 QSFP+ \ubaa8\ub4c8\uc774 \uc790\ub3d9\uc73c\ub85c \uc2b9\uc778\ub418\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c6 \ubca4\ub354 \uc7a0\uae08 \ubc0f \ud638\ud658\uc131 \uc81c\ud55c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00\uc7a5 \ud754\ud55c \ubc30\ud3ec \uacfc\uc81c \uc911 \ud558\ub098\ub294 \ubca4\ub354 \uc7a0\uae08(Vendor lock-in)\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \ud638\ud658\uc131 \uc2dc\ub098\ub9ac\uc624\ub294 \uc138 \uac00\uc9c0 \uc720\ud615\uc774 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\uc644\uc804\ud788 \uac1c\ubc29\ub41c \ud3ec\ud2b8:<\/strong> \ub300\ubd80\ubd84\uc758 MSA \ud638\ud658 QSFP+ \uad11\ubaa8\ub4c8\uc744 \uc218\uc6a9\ud568<\/p><\/li>\n\n\n\n<li><p><strong>\ubd80\ubd84\uc801\uc73c\ub85c \uc81c\ud55c\ub41c \ud3ec\ud2b8:<\/strong> \uc778\ucf54\ub529\ub418\uac70\ub098 \uac80\uc99d\ub41c \uad11\ubaa8\ub4c8\uc744 \uc694\uad6c\ud568<\/p><\/li>\n\n\n\n<li><p><strong>\uc644\uc804\ud788 \uc7a0\uae34 \uc2dc\uc2a4\ud15c:<\/strong> OEM \ube0c\ub79c\ub4dc \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub9cc \uc218\uc6a9\ud568<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4\uc758 \uacbd\uc6b0 \ub2e4\uc74c \uc0ac\ud56d\uc744 \ubc18\ub4dc\uc2dc \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>OEM \ud638\ud658\uc131(\uc2dc\uc2a4\ucf54 \/ \uc544\ub9ac\uc2a4\ud0c0 \/ <a href=\"https:\/\/www.l-p.com\/products\/472718.htm\" target=\"_blank\" rel=\"\">\uc8fc\ub2c8\ud37c<\/a>, \ub4f1)<\/p><\/li>\n\n\n\n<li><p>\ud0c0\uc0ac \uc9c0\uc6d0(\uc778\ucf54\ub529\ub41c \ub610\ub294 \uc77c\ubc18 MSA \uad11\ubaa8\ub4c8)<\/p><\/li>\n\n\n\n<li><p>\ube44-OEM \ubaa8\ub4c8 \uc0ac\uc6a9 \uc2dc \ubcf4\uc99d\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c6 DOM(Digital Optical Monitoring, \ub514\uc9c0\ud138 \uad11\ud559 \ubaa8\ub2c8\ud130\ub9c1) \uc9c0\uc6d0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd5c\uc2e0 40GBASE-ER4 \ubaa8\ub4c8\uc740 \uc77c\ubc18\uc801\uc73c\ub85c DOM(Digital Optical Monitoring)\uc744 \uc9c0\uc6d0\ud558\uba70, \uc774\ub294 \ub2e4\uc74c \ud56d\ubaa9\uc744 \uc2e4\uc2dc\uac04\uc73c\ub85c \ucd94\uc801\ud560 \uc218 \uc788\uac8c \ud574 \uc90d\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc1a1\uc2e0 \uad11 \ucd9c\ub825(Tx)<\/p><\/li>\n\n\n\n<li><p>\uc218\uc2e0 \uad11 \ucd9c\ub825(Rx)<\/p><\/li>\n\n\n\n<li><p>\uc628\ub3c4<\/p><\/li>\n\n\n\n<li><p>\uc804\uc555<\/p><\/li>\n\n\n\n<li><p>\ub808\uc774\uc800 \ubc14\uc774\uc5b4\uc2a4 \uc804\ub958<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">DOM\uc740 ER4\uc5d0\uc11c \ud2b9\ud788 \uc911\uc694\ud55c\ub370, \uadf8 \uc774\uc720\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uacfc\ucd9c\ub825 \ub610\ub294 \uc800\ucd9c\ub825 \uc0c1\ud0dc\ub97c \uac10\uc9c0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub428<\/p><\/li>\n\n\n\n<li><p>\uc7a5\uac70\ub9ac \uc2e0\ud638 \ubb34\uacb0\uc131\uc744 \uc548\uc815\uc801\uc73c\ub85c \ud655\ubcf4\ud568<\/p><\/li>\n\n\n\n<li><p>\uba54\ud2b8\ub85c \ubc0f DCI \ud658\uacbd\uc5d0\uc11c \ubb38\uc81c \ud574\uacb0\uc744 \uac04\uc18c\ud654\ud568<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">DOM \uac00\uc2dc\uc131\uc774 \uc5c6\uc73c\uba74 \uc7a5\uac70\ub9ac \uad11\ud559 \ubb38\uc81c \uc9c4\ub2e8\uc774 \uc0c1\ub2f9\ud788 \uc5b4\ub824\uc6cc\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c6 \uad11\ud559 \uac10\uc1e0 \uc694\uad6c\uc0ac\ud56d(ER4\uc5d0 \ub9e4\uc6b0 \uc911\uc694)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e8\uac70\ub9ac \uad11\ubaa8\ub4c8\uacfc \ub2ec\ub9ac, 40GBASE-ER4\ub294 \ub9e4\uc6b0 \ub192\uc740 \uc1a1\uc2e0 \ucd9c\ub825\uc744 \uac00\uc9c0\ubbc0\ub85c \uc9e7\uc740 \ub9c1\ud06c\uc5d0\uc11c \uc218\uc2e0\uae30\ub97c \uacfc\ubd80\ud558\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc544\ub9ac\uc2a4\ud0c0 \ub124\ud2b8\uc6cc\ud06c\uc2a4(Arista Networks) \ubca4\ub354 \ubb38\uc11c\uc5d0 \uba85\uc2dc\ub41c \ubc30\ud3ec \uac00\uc774\ub4dc\ub77c\uc778\uc5d0 \ub530\ub974\uba74, \uad11\ud559 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/attenuation-in-optical-transceiver-management-and-solutions\/\">\uac10\uc1e0<\/a> \ub2e8\uac70\ub9ac \uc2dc\ub098\ub9ac\uc624\uc5d0\uc11c \uc218\uc2e0\uae30\uc758 \ud3ec\ud654\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uac10\uc1e0\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub294 \ub2e4\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>ER4\ub294 \uac10\uc1e0 \uc5c6\uc774 \ub2e8\uac70\ub9ac \ub9c1\ud06c(\uc608: &lt; 2km)\uc5d0 \uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p>\uc778\ub77c\uc778 \uad11\ud559 \uac10\uc1e0\uae30\uac00 \ud544\uc694\ud560 \uc218 \uc788\uc74c<\/p><\/li>\n\n\n\n<li><p>\ubc30\ud3ec \uc804\uc5d0 \uc801\uc808\ud55c \ub9c1\ud06c \uc608\uc0b0 \uacc4\uc0b0\uc774 \ubc18\ub4dc\uc2dc \uc218\ud589\ub418\uc5b4\uc57c \ud568<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uac10\uc1e0\ub97c \uc801\uc6a9\ud558\uc9c0 \uc54a\uc73c\uba74 \ub2e4\uc74c \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc218\uc2e0\uae30 \uc624\ubc84\ub85c\ub4dc<\/p><\/li>\n\n\n\n<li><p>\ub192\uc74c <a href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/understanding-what-is-bit-error-rate\/\" target=\"_blank\" rel=\"\">\ud83d\udccc \uc804\ud1b5\uc801\uc778 \uc9c0\ud45c\uac00 \ucda9\ubd84\ud558\uc9c0 \uc54a\uc558\ub358 \uc774\uc720<\/a> (\ube44\ud2b8 \uc624\ub958\uc728, BER)<\/p><\/li>\n\n\n\n<li><p>\ubd88\uc548\uc815\ud558\uac70\ub098 \ud50c\ub798\ud551(flapping)\ud558\ub294 \ub9c1\ud06c<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c6 \uad11\uc12c\uc720 \uc778\ud504\ub77c \uc694\uad6c\uc0ac\ud56d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4\ub294 \uace0\ud488\uc9c8 \ub2e8\uc77c\ubaa8\ub4dc \uad11\uc12c\uc720 \uc778\ud504\ub77c\ub97c \ud544\uc694\ub85c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uad11\uc12c\uc720 \uc900\ube44 \uc0c1\ud0dc \uc810\uac80 \ubaa9\ub85d:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub2e8\uc77c\ubaa8\ub4dc \uad11\uc12c\uc720 \uc885\ub958: ITU-T G.652 \uc774\uc0c1<\/p><\/li>\n\n\n\n<li><p>\uccad\uacb0\ud55c \ub4c0\ud50c\ub809\uc2a4 LC \ucee4\ub125\ud130(\ub0ae\uc74c <a href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/optical-transceiver-insertion-loss-definition-impact\/\" target=\"_blank\" rel=\"\">\uc0bd\uc785 \uc190\uc2e4\uc744 \uce21\uc815\ud558\uace0,<\/a>)<\/p><\/li>\n\n\n\n<li><p>\uc801\uc808\ud55c \uc2a4\ud50c\ub77c\uc774\uc2a4 \ud488\uc9c8(\ubc18\uc0ac \uc190\uc2e4 \ucd5c\uc18c\ud654)<\/p><\/li>\n\n\n\n<li><p>\uac80\uc99d\ub41c \uc5d4\ub4dc\ud22c\uc5d4\ub4dc \ub9c1\ud06c \uc608\uc0b0<\/p><\/li>\n\n\n\n<li><p>\ud63c\ud569\ub41c \uba40\ud2f0\ubaa8\ub4dc \uad6c\uac04 \uc5c6\uc74c(ER4\ub294 MMF\uc640 \ud638\ud658\ub418\uc9c0 \uc54a\uc74c)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd94\uac00\uc801\uc73c\ub85c, \uad11\uc12c\uc720 \ub178\ud654, \uad7d\ud798 \uc190\uc2e4, \ucee4\ub125\ud130 \uc624\uc5fc\uc740 \uc7a5\uac70\ub9ac \uc804\uc1a1 \uc131\ub2a5\uc5d0 \uc0c1\ub2f9\ud55c \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc30\ud3ec \uc804 \ub2e4\uc74c \uc0ac\ud56d\uc744 \ud655\uc778\ud558\uc138\uc694:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u2714 \uc2a4\uc704\uce58\uac00 QSFP+ ER4 \uad11\ud559 \ubaa8\ub4c8\uc744 \uc9c0\uc6d0\ud568<\/p><\/li>\n\n\n\n<li><p>\u2714 \ubca4\ub354 \ud638\ud658\uc131(OEM \ub610\ub294 MSA \ucf54\ub4dc \uc801\uc6a9)\uc774 \uac80\uc99d\ub428<\/p><\/li>\n\n\n\n<li><p>\u2714 DOM(Digital Optical Monitoring) \ubaa8\ub2c8\ud130\ub9c1 \uac00\ub2a5<\/p><\/li>\n\n\n\n<li><p>\u2714 \ub2e8\uac70\ub9ac \ub9c1\ud06c\uc5d0\ub294 \uad11 \uac10\uc1c4\uae30 \uc0ac\uc6a9<\/p><\/li>\n\n\n\n<li><p>\u2714 \uc2f1\uae00\ubaa8\ub4dc \uad11\uc12c\uc720 \uc124\ube44\uac00 \uccad\uacb0\ud558\uace0 \uc801\uc808\ud788 \uc778\uc99d\ub428<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705 40GBASE-ER4 \ub300 LR4 \ub300 SR4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc120\ud0dd \uc2dc <strong>40G QSFP+ \uad11\ud559 \ubaa8\ub4c8\uc744<\/strong>, \uacb0\uc815\ud574\uc57c \ud558\ub294 \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \uc0ac\ud56d \uc911 \ud558\ub098\ub294 <strong>SR4, LR4 \ubc0f ER4 \uac04 \uc120\ud0dd\uc785\ub2c8\ub2e4.<\/strong>. \uc138 \ubaa8\ub4c8 \ubaa8\ub450 40\uae30\uac00\ube44\ud2b8 \uc774\ub354\ub137\uc744 \uc9c0\uc6d0\ud558\uc9c0\ub9cc, \uac01\uac01 \ub9e4\uc6b0 \ub2e4\ub978 \uc804\uc1a1 \uac70\ub9ac, \uad11\uc12c\uc720 \uc720\ud615 \ubc0f \ubc30\ud3ec \ud658\uacbd\uc744 \uc704\ud574 \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \ucc28\uc774\uc810\uc744 \uc774\ud574\ud558\ub294 \uac83\uc740 \ud638\ud658\uc131 \ubb38\uc81c\ub97c \ubc29\uc9c0\ud558\uace0 \ube44\uc6a9 \ud6a8\uc728\uc801\uc778 \ub124\ud2b8\uc6cc\ud06c \uc124\uacc4\ub97c \ubcf4\uc7a5\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\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\/21fef26d94be4b86b0e1767423b83e05.jpg\" alt=\"40GBASE-ER4 vs. LR4 vs. SR4\" class=\"wp-image-2760\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/21fef26d94be4b86b0e1767423b83e05.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/21fef26d94be4b86b0e1767423b83e05-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/21fef26d94be4b86b0e1767423b83e05-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/21fef26d94be4b86b0e1767423b83e05-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/21fef26d94be4b86b0e1767423b83e05-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\uac04\ub7b5 \ube44\uad50 \uac1c\uc694<\/h3>\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>\ud45c\uc900<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uad11\uc12c\uc720 \uc720\ud615<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc77c\ubc18\uc801\uc778 \uc804\uc1a1 \uac70\ub9ac<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc0ac\uc6a9 \uc0ac\ub840<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/482749.htm\"><strong>40GBASE-SR4<\/strong><\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uba40\ud2f0\ubaa8\ub4dc \uad11\uc12c\uc720(OM3\/OM4)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc57d 100m\u2013150m<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub2e8\uac70\ub9ac \ub370\uc774\ud130\uc13c\ud130 \ub9c1\ud06c<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/482487.htm\"><strong>40GBASE-LR4<\/strong><\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc2f1\uae00\ubaa8\ub4dc \uc12c\uc720 (SMF)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc57d 10km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ucea0\ud37c\uc2a4 \ubc0f \uba54\ud2b8\ub85c \uc5f0\uacb0<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/473095.htm\"><strong>40GBASE-ER4<br><\/strong><\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc2f1\uae00\ubaa8\ub4dc \uc12c\uc720 (SMF)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ucd5c\ub300 \uc57d 40km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc7a5\uac70\ub9ac DCI \ubc0f \ubc31\ubcf8 \ub124\ud2b8\uc6cc\ud06c<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">40GBASE-SR4: \ub2e8\uac70\ub9ac \ub370\uc774\ud130\uc13c\ud130 \uad11\ud559 \ubaa8\ub4c8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SR4(Short Reach)\ub294 \uc2a4\uc704\uce58 \uac04 \uac70\ub9ac\uac00 \uac00\uae4c\uc6b4 \uace0\ubc00\ub3c4 \ub370\uc774\ud130\uc13c\ud130 \ud658\uacbd\uc744 \uc704\ud574 \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc8fc\uc694 \ud2b9\uc131:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uba40\ud2f0\ubaa8\ub4dc \uad11\uc12c\uc720(OM3\/OM4) \uc0ac\uc6a9<\/p><\/li>\n\n\n\n<li><p>\ub9c1\ud06c\ub2f9 \ube44\uc6a9\uc774 \ub9e4\uc6b0 \ub0ae\uc74c<\/p><\/li>\n\n\n\n<li><p>\ub2e8\uac70\ub9ac(\uc57d 100\u2013150\ubbf8\ud130)<\/p><\/li>\n\n\n\n<li><p>\ubcd1\ub82c \uad11\ud559 \uae30\uc220 \uc0ac\uc6a9(\uc77c\ubc18\uc801\uc73c\ub85c MPO\/MTP \ucee4\ub125\ud130)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c \uc6a9\ub3c4\uc5d0 \uac00\uc7a5 \uc801\ud569:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub799 \uac04 \uc5f0\uacb0<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/what-is-a-tor-top-of-rack-switch\/\" target=\"_blank\" rel=\"\">\ub799 \uc0c1\ub2e8(Top-of-Rack)<\/a> \ud1b1\uc624\ube0c\ub799(Top-of-Rack, ToR) \uc2a4\uc704\uce58\uc5d0\uc11c \uc2a4\ud30c\uc778 \uc2a4\uc704\uce58\uae4c\uc9c0<\/p><\/li>\n\n\n\n<li><p>\uace0\ubc00\ub3c4 \ub370\uc774\ud130\uc13c\ud130 \uc2a4\uc704\uce6d<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc81c\ud55c \uc0ac\ud56d:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc7a5\uac70\ub9ac \uc804\uc1a1 \ub610\ub294 \ucea0\ud37c\uc2a4 \ub124\ud2b8\uc6cc\ud06c\uc5d0\ub294 \ubd80\uc801\ud569<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">40GBASE-LR4: \uc911\uac70\ub9ac \uc2f1\uae00\ubaa8\ub4dc \uc194\ub8e8\uc158<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>LR4(Long Reach)<\/strong> \uae30\uc5c5 \ubc0f \uba54\ud2b8\ub85c \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \uac00\uc7a5 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 40G \uc2f1\uae00\ubaa8\ub4dc \uad11\ud559 \ubaa8\ub4c8\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc8fc\uc694 \ud2b9\uc131:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc2f1\uae00\ubaa8\ub4dc \uad11\uc12c\uc720(SMF) \uc0ac\uc6a9<\/p><\/li>\n\n\n\n<li><p>\ucd5c\ub300 10km \uc804\uc1a1 \uac70\ub9ac<\/p><\/li>\n\n\n\n<li><p>\ub4c0\ud50c\ub809\uc2a4 LC \ucee4\ub125\ud130\ub97c \ud1b5\ud55c WDM \uae30\uc220 \uc0ac\uc6a9<\/p><\/li>\n\n\n\n<li><p>\ube44\uc6a9\uacfc \uc131\ub2a5\uc758 \uade0\ud615 \uc7a1\ud798<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c \uc6a9\ub3c4\uc5d0 \uac00\uc7a5 \uc801\ud569:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ucea0\ud37c\uc2a4 \ud575\uc2ec \ub9c1\ud06c<\/p><\/li>\n\n\n\n<li><p>\ub2e8\uac70\ub9ac \uba54\ud2b8\ub85c \uc5f0\uacb0<\/p><\/li>\n\n\n\n<li><p>\uae30\uc5c5 \ub0b4 \uac74\ubb3c \uac04 \uc5f0\uacb0<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">LR4\ub294 \uba40\ud2f0\ubaa8\ub4dc\uc758 \uc804\uc1a1 \ub2a5\ub825\uc744 \ucd08\uacfc\ud558\uc9c0\ub9cc \uadf9\ub2e8\uc801\uc778 \uc804\uc1a1 \uac70\ub9ac\uac00 \ud544\uc694\ud558\uc9c0 \uc54a\uc744 \ub54c \uc77c\ubc18\uc801\uc73c\ub85c \uae30\ubcf8 \uc120\ud0dd \uc0ac\ud56d\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">40GBASE-ER4: \ud655\uc7a5 \uac70\ub9ac \ubc31\ubcf8 \uad11\ud559 \uc7a5\uce58<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ER4(\ud655\uc7a5 \uac70\ub9ac)<\/strong> \uac00\uc7a5 \uae4c\ub2e4\ub85c\uc6b4 \uc7a5\uac70\ub9ac \uc751\uc6a9 \ubd84\uc57c\ub97c \uc704\ud574 \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc8fc\uc694 \ud2b9\uc131:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc2f1\uae00\ubaa8\ub4dc \uad11\uc12c\uc720(SMF) \uc0ac\uc6a9<\/p><\/li>\n\n\n\n<li><p>\ucd5c\ub300 40km\uae4c\uc9c0 \uc804\uc1a1 \uac00\ub2a5<\/p><\/li>\n\n\n\n<li><p>WDM \uae30\ubc18 \uc804\uc1a1(4\u00d710G \ub808\uc778)<\/p><\/li>\n\n\n\n<li><p>\ub4c0\ud50c\ub809\uc2a4 LC \ucee4\ub125\ud130 \uc778\ud130\ud398\uc774\uc2a4<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c \uc6a9\ub3c4\uc5d0 \uac00\uc7a5 \uc801\ud569:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub370\uc774\ud130 \uc13c\ud130 \uc0c1\ud638 \uc5f0\uacb0(DCI)<\/p><\/li>\n\n\n\n<li><p>\uba54\ud2b8\ub85c \uc9d1\uc57d\ub9dd<\/p><\/li>\n\n\n\n<li><p>\uc7a5\uac70\ub9ac \uc5d4\ud130\ud504\ub77c\uc774\uc988 WAN \ub9c1\ud06c<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">LR4\uc640 \ube44\uad50\ud558\uc5ec ER4\ub294 4\ubc30 \ub354 \uae34 \uc804\uc1a1 \uac70\ub9ac\ub97c \uc81c\uacf5\ud558\ubbc0\ub85c \uc9c0\ub9ac\uc801\uc73c\ub85c \ubd84\uc0b0\ub41c \uc778\ud504\ub77c\uc5d0 \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc544\ub9ac\uc2a4\ud0c0 \ub124\ud2b8\uc6cc\ud06c\uc2a4(Arista Networks) \ub4f1 \uc5d4\ud130\ud504\ub77c\uc774\uc988 \ub124\ud2b8\uc6cc\ud0b9 \ubca4\ub354\ub4e4\uc740 \uc774\ub7ec\ud55c \uad11\ud559 \uc7a5\uce58\ub97c \uc804\uc1a1 \uac70\ub9ac \ubc0f \uc751\uc6a9 \uacc4\uce35\uc5d0 \ub530\ub77c \uba85\ud655\ud788 \uad6c\ubd84\ud558\uc5ec \ubc30\ud3ec \uacb0\uc815\uc744 \ub2e8\uc21c\ud654\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc8fc\uc694 \uc758\uc0ac\uacb0\uc815 \ub85c\uc9c1(\uc2e0\uc18d\ud55c \uc120\ud0dd \ubc29\ubc95)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\uc6a9\uc801\uc778 \uc120\ud0dd \uaddc\uce59:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uac70\ub9ac \u2264 150m\uc778 \uacbd\uc6b0 \u2192 <a href=\"https:\/\/www.l-p.com\/products\/482750.htm\" target=\"_self\"><strong>SR4<\/strong><\/a><\/p><\/li>\n\n\n\n<li><p>\uac70\ub9ac \u2264 10km\uc778 \uacbd\uc6b0 \u2192 <a href=\"https:\/\/www.l-p.com\/products\/482605.htm\" target=\"_self\"><strong>LR4<\/strong><\/a><\/p><\/li>\n\n\n\n<li><p>\uac70\ub9ac \u2264 40km\uc778 \uacbd\uc6b0 \u2192 <a href=\"https:\/\/www.l-p.com\/products\/473093.htm\" target=\"_self\"><strong>ER4<\/strong><\/a><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd94\uac00 \uace0\ub824 \uc0ac\ud56d:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uad11\uc120 \uc720\ud615<a href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/smf-optical-transceiver-vs-mmf-optical-transceiver-guide\/\" target=\"_blank\" rel=\"\">MMF \ub300 SMF<\/a>)<\/p><\/li>\n\n\n\n<li><p>\uae30\uc874 \ucf00\uc774\ube14 \uc778\ud504\ub77c<\/p><\/li>\n\n\n\n<li><p>\ud5a5\ud6c4 \ud655\uc7a5\uc131 \uc694\uad6c \uc0ac\ud56d<\/p><\/li>\n\n\n\n<li><p>\uad11\ud559 \uc608\uc0b0 \ubc0f \uac10\uc1e0 \uc81c\uc57d \uc870\uac74<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">SR4, LR4, ER4 \uc911 \uc120\ud0dd\uc740 \ub2e8\uc21c\ud788 \uc18d\ub3c4\ub9cc\uc774 \uc544\ub2c8\ub77c \uac70\ub9ac, \uad11\uc12c\uc720 \uc778\ud504\ub77c, \ub124\ud2b8\uc6cc\ud06c \uc544\ud0a4\ud14d\ucc98 \uc124\uacc4\uc5d0 \uad00\ud55c \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>SR4 = \ub2e8\uac70\ub9ac, \ub370\uc774\ud130 \uc13c\ud130 \ub0b4 \ub799 \uac04 \uc5f0\uacb0<\/p><\/li>\n\n\n\n<li><p>LR4 = \ud45c\uc900 \uc5d4\ud130\ud504\ub77c\uc774\uc988 \ubc0f \uba54\ud2b8\ub85c \ubc31\ubcf8<\/p><\/li>\n\n\n\n<li><p>ER4 = \uc7a5\uac70\ub9ac, \uace0\uc548\uc815\uc131 \uc0c1\ud638 \uc5f0\uacb0<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc62c\ubc14\ub978 \ubaa8\ub4c8\uc744 \uc120\ud0dd\ud558\uba74 \uc548\uc815\uc801\uc778 \uc131\ub2a5, \ub0ae\uc740 \uc6b4\uc601 \ube44\uc6a9, \uadf8\ub9ac\uace0 \uc2e4\uc81c \uc6b4\uc601 \ud658\uacbd\uc5d0\uc11c\uc758 \ud638\ud658\uc131 \ubb38\uc81c \uac10\uc18c\ub97c \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705 \uc801\uc808\ud55c 40GBASE-ER4 \ubaa8\ub4c8\uc744 \uc120\ud0dd\ud558\ub294 \ubc29\ubc95 <\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4 QSFP+ \uad11\ud559 \ubaa8\ub4c8\uc744 \uc120\ud0dd\ud560 \ub54c, \ub2e8\uc21c\ud788 \u201c\uc5b4\ub5a4 40G \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub4e0\u201d \ucc3e\ub294 \uac83\uc774 \uc544\ub2d9\ub2c8\ub2e4. ER4 \uad11\ud559 \uc7a5\uce58\ub294 \uc7a5\uac70\ub9ac \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc0ac\uc6a9\ub418\ubbc0\ub85c, \uad6c\ub9e4 \uae30\uc900\uc740 \uae30\uc220\uc801 \uc694\uac74 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/how-to-test-sfp-compatibility\/\">\ud638\ud658\uc131<\/a>, \ubca4\ub354 \uc9c0\uc6d0, \uadf8\ub9ac\uace0 \ubc30\ud3ec \uc694\uad6c \uc0ac\ud56d\uacfc \uc77c\uce58\ud574\uc57c \ud569\ub2c8\ub2e4. \uc544\ub798\ub294 \uadc0\ud558\uc758 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \ub9de\ub294 \uc801\uc808\ud55c \ubaa8\ub4c8\uc744 \uc120\ud0dd\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub418\ub294 \uac04\uacb0\ud558\uace0 \uc758\uc0ac\uacb0\uc815 \uc911\uc2ec\uc758 \uac00\uc774\ub4dc\uc785\ub2c8\ub2e4.<\/p>\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\/adc105cd8d9c4375a72512c1a18a5496.jpg\" alt=\"How to Choose the Right 40GBASE-ER4 Module\" class=\"wp-image-2761\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/adc105cd8d9c4375a72512c1a18a5496.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/adc105cd8d9c4375a72512c1a18a5496-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/adc105cd8d9c4375a72512c1a18a5496-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/adc105cd8d9c4375a72512c1a18a5496-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/adc105cd8d9c4375a72512c1a18a5496-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\ubca4\ub354 \ud638\ud658\uc131 \ubc0f \ucf54\ub529<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\ud638\uc2a4\ud2b8 \uc2a4\uc704\uce58\/\ubca4\ub354 \uc9c0\uc6d0 \ubaa9\ub85d \ud655\uc778:<\/strong> \uc77c\ubd80 \uc2a4\uc704\uce58\ub294 OEM \ucf54\ub529 \uad11\ud559 \uc7a5\uce58\ub9cc \ud5c8\uc6a9\ud558\uac70\ub098 \ud3ec\ud2b8 \ud65c\uc131\ud654\ub97c \uc704\ud574 \ud2b9\uc815 \ubca4\ub354 ID\ub97c \uc694\uad6c\ud569\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p><strong>MSA \uc900\uc218 \uc5ec\ubd80:<\/strong> \ubaa8\ub4c8\uc774 QSFP+ MSA \ud45c\uc900\uc744 \uc900\uc218\ud558\ub294\uc9c0 \ud655\uc778\ud558\uc5ec \ud56b\uc2a4\uc651 \ubc0f DOM \uae30\ub2a5\uc774 \uc815\uc0c1 \uc791\ub3d9\ud558\ub3c4\ub85d \ud574\uc57c \ud569\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p><strong>\ubca4\ub354 \uc7a0\uae08(Vendor lock-in):<\/strong> OEM \uad11\ud559 \ubaa8\ub4c8(\uc608: Cisco, Juniper)\uc740 \ubcf4\uc7a5\ub41c \uc9c0\uc6d0\uc744 \uc81c\uacf5\ud560 \uc218 \uc788\uc73c\ub098, \ud0c0\uc0ac \ubaa8\ub4c8\uc758 \uacbd\uc6b0 \uc2a4\uc704\uce58 \uc124\uba85\uc11c \ub610\ub294 CLI\uc5d0\uc11c \uba85\uc2dc\uc801\uc778 \ud638\ud658\uc131 \uac80\uc0ac\ub97c \uc218\ud589\ud574\uc57c \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud301:<\/strong> QSFPTEK 40GBASE\u2011ER4 QSFP+ \ubc0f FiberMall 40GBASE\u2011ER4 QSFP+\uc640 \uac19\uc740 \ubaa8\ub4c8\uc740 \ub9ce\uc740 Cisco \ud638\ud658 \ubc0f \uc77c\ubc18 QSFP+ \ud3ec\ud2b8\uc640 \uad11\ubc94\uc704\ud55c \ud638\ud658\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud638\uc2a4\ud2b8 \uc2a4\uc704\uce58 \ubaa8\ub378 \ubc0f \ud38c\uc6e8\uc5b4<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\ud50c\ub7ab\ud3fc \uc9c0\uc6d0:<\/strong> \uadc0\ud558\uc758 \uc2a4\uc704\uce58 \ubaa8\ub378\uc774 \uc77c\ubc18\uc801\uc778 QSFP+ \ubaa8\ub4c8\uc774 \uc544\ub2c8\ub77c 40GBASE-ER4 \uad11\ud559 \ubaa8\ub4c8\uc744 \uad6c\uccb4\uc801\uc73c\ub85c \uc9c0\uc6d0\ud558\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p><\/li>\n\n\n\n<li><p><strong>\ud38c\uc6e8\uc5b4 \ubc84\uc804:<\/strong> \uc77c\ubd80 \ud50c\ub7ab\ud3fc\uc740 \uc7a5\uac70\ub9ac \uad11\ud559 \ubaa8\ub4c8 \ud65c\uc131\ud654 \ub610\ub294 \uc815\ud655\ud55c DOM(Digital Optical Monitoring) \uce21\uc815\uc744 \uc704\ud574 \uc5c5\ub370\uc774\ud2b8\ub41c \ud38c\uc6e8\uc5b4\ub97c \uc694\uad6c\ud569\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p><strong>DOM \uc9c4\ub2e8:<\/strong> DOM \uc9c0\uc6d0 \ubaa8\ub4c8\uc740 \uc1a1\uc2e0\/\uc218\uc2e0 \uc804\ub825, \uc628\ub3c4, \uc804\uc555\uc744 \uc2e4\uc2dc\uac04\uc73c\ub85c \ubaa8\ub2c8\ud130\ub9c1\ud560 \uc218 \uc788\uc5b4 \uc7a5\uac70\ub9ac \ub9c1\ud06c\uc5d0 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c\uacfc \uac19\uc740 \ubaa8\ub4c8: <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/472717.htm\"><span style=\"color: rgb(51, 51, 51);\">\uc2dc\uc2a4\ucf54 QSFP-40G-ER4<\/span><\/a> \ud638\ud658 \ubaa8\ub4c8 \ubc0f Allied Telesis QSFPER4 \ud638\ud658 \ubaa8\ub4c8\uc740 DOM \uc9c0\uc6d0 \uae30\ub2a5\uc744 \ud3ec\ud568\ud558\uc5ec \uc9c0\uc18d\uc801\uc778 \ubaa8\ub2c8\ud130\ub9c1\uc744 \uac04\uc18c\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ub9c1\ud06c \uc608\uc0b0 \ubc0f \uad11\uc12c\uc720 \uc778\ud504\ub77c<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\uac70\ub9ac \ubc0f \uc190\uc2e4:<\/strong> \ub2e8\uc77c\ubaa8\ub4dc \uad11\uc12c\uc720 \uc778\ud504\ub77c\uac00 \ucee4\ub125\ud130, \uc2a4\ud50c\ub77c\uc774\uc2a4, \uad74\uace1 \ub4f1\uc73c\ub85c \uc778\ud55c \ud5c8\uc6a9 \uac00\ub2a5\ud55c \uc190\uc2e4 \ubc94\uc704 \ub0b4\uc5d0\uc11c \ucd5c\ub300 40km \uc804\uc1a1 \uac70\ub9ac\ub97c \uc9c0\uc6d0\ud560 \uc218 \uc788\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p><\/li>\n\n\n\n<li><p><strong>\uad11\ud559 \uc608\uc0b0:<\/strong> \ubaa8\ub4c8\uc758 \uc1a1\uc2e0\/\uc218\uc2e0 \uc804\ub825 \ubc0f \uc218\uc2e0\uae30 \uac10\ub3c4\uac00 \uadc0\ud558\uc758 \ub9c1\ud06c \uac10\uc1e0 \ud2b9\uc131\uc5d0 \ubd80\ud569\ud558\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p><\/li>\n\n\n\n<li><p><strong>\uc9e7\uc740 \ub9c1\ud06c\uc5d0 \ub300\ud55c \uac10\uc1e0:<\/strong> ER4 \uad11\ud559 \ubaa8\ub4c8\uc740 \ub192\uc740 \uc1a1\uc2e0 \uc804\ub825\uc744 \uac16\uae30 \ub54c\ubb38\uc5d0 \uc9e7\uc740 \uac70\ub9ac\uc5d0\uc11c\ub294 \uc218\uc2e0\uae30 \uacfc\ubd80\ud558\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uc778\ub77c\uc778 \uac10\uc1e0\uae30\ub97c \uc0ac\uc6a9\ud574\uc57c \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uadc0\ud558\uc758 \ub9c1\ud06c \uae38\uc774\uac00 40km\ubcf4\ub2e4 \ud6e8\uc52c \uc9e7\uc740 \uacbd\uc6b0, \uac10\uc1e0 \uc801\uc6a9 \uc5ec\ubd80 \ub610\ub294 \ub2e4\ub978 \uad11\ud559 \ubaa8\ub4c8(\uc608: LR4) \uc0ac\uc6a9 \uc5ec\ubd80\ub97c \uac80\ud1a0\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc9c0\uc6d0 \uc815\ucc45 \ubc0f \ubcf4\uc99d<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\ubcf4\uc99d \ubc94\uc704:<\/strong> \ubaa8\ub4c8\uc5d0 \ubcf4\uc99d\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\ub294\uc9c0, \uadf8\ub9ac\uace0 \ubcf4\uc99d \ub0b4\uc6a9(\uc608: \ucd9c\uace0 \ubd88\ub7c9(DOA), \ud3c9\uc0dd \ubcf4\uc99d \ub4f1)\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p><\/li>\n\n\n\n<li><p><strong>\ubca4\ub354 \uc9c0\uc6d0:<\/strong> OEM \ub610\ub294 \uacf5\uc778 \ud30c\ud2b8\ub108 \ubaa8\ub4c8\uc740 \ud638\ud658\uc131 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud560 \uacbd\uc6b0 \ub354 \uc6b0\uc218\ud55c \uc9c0\uc6d0 \uacbd\ub85c\ub97c \uc81c\uacf5\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p><strong>\ubc18\ud488 \uc815\ucc45:<\/strong> \ud2b9\ud788 \ud0c0\uc0ac \uad11\ud559 \ubaa8\ub4c8\uc758 \uacbd\uc6b0, \uc720\uc5f0\ud55c \ubc18\ud488 \uc815\ucc45\uc774 \ud638\ud658\uc131 \uc704\ud5d8\uc744 \uc644\ud654\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Fortinet\uc758 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/473103.htm\">FG-TRAN-QSFP+ER<\/a> \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub294 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc720\ud1b5\uc5c5\uccb4\ub97c \ud1b5\ud574 \uc81c\uacf5\ub418\uba70, \uba85\ud655\ud55c \ubcf4\uc99d \uc870\uac74\uacfc \uad11\ubc94\uc704\ud55c \uc9c0\uc6d0 \ucc44\ub110\uc744 \ud3ec\ud568\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud658\uacbd\uc801 \ubc0f \uc791\ub3d9 \uace0\ub824 \uc0ac\ud56d<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\uc628\ub3c4 \ub4f1\uae09:<\/strong> \ud45c\uc900 \uc0c1\uc6a9 \uad11\ud559 \uc7a5\uce58\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 0\u201370\u00b0C \ubc94\uc704\uc5d0\uc11c \uc815\uaca9\ud654\ub429\ub2c8\ub2e4. \ud639\ub3c5\ud55c \ud658\uacbd\uc5d0 \ubc30\uce58\ud560 \uacbd\uc6b0 \ud655\uc7a5 \uc628\ub3c4 \uc9c0\uc6d0\uc744 \uc81c\uacf5\ud558\ub294 \ubaa8\ub4c8\uc744 \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624.<\/p><\/li>\n\n\n\n<li><p><strong>\uc804\ub825 \uc18c\ube44:<\/strong> QSFP+ \ubaa8\ub4c8\uc740 \uc11c\ub85c \ub2e4\ub978 \uc804\ub825 \uc18c\ube44\ub7c9\uc744 \uac00\uc9c0\ubbc0\ub85c, \uc2a4\uc704\uce58\uac00 \ucda9\ubd84\ud55c \uc804\ub825\uc744 \uacf5\uae09\ud560 \uc218 \uc788\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p><\/li>\n\n\n\n<li><p><strong>DOM \uc6d0\uaca9 \uc9c4\ub2e8 \uc815\ubcf4:<\/strong> \uc2e4\uc2dc\uac04 \uc9c4\ub2e8 \ubaa8\ub2c8\ud130\ub9c1\uc740 \uc608\ubc29 \uc815\ube44\uc5d0 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc2e0\uc18d\ud55c \uacb0\uc815 \uccb4\ud06c\ub9ac\uc2a4\ud2b8<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2714 \uc2a4\uc704\uce58\/\uacf5\uae09\uc5c5\uccb4\uc758 ER4 \uad11\ud559 \uc7a5\uce58 \uc9c0\uc6d0 \uc5ec\ubd80 \ud655\uc778<br>\u2714 \uc190\uc2e4 \uacc4\uc0b0\uc744 \ud1b5\ud574 \uad11\uc12c\uc720 \uc720\ud615 \ubc0f \ub9c1\ud06c \uac70\ub9ac \uac80\uc99d<br>\u2714 \ubaa8\ub2c8\ud130\ub9c1 \ud3b8\uc758\uc131\uc744 \uc704\ud574 DOM \uc9c0\uc6d0 \ubaa8\ub4c8 \uc120\ud0dd<br>\u2714 \ubcf4\uc99d \uc870\uac74 \ubc0f \ubc18\ud488 \uc815\ucc45 \ud655\uc778<br>\u2714 \uc124\uce58 \ud658\uacbd \uc870\uac74\uc5d0 \ub9de\ub294 \uc628\ub3c4 \ubc0f \uc791\ub3d9 \uc0ac\uc591 \uc900\uc218 \uc5ec\ubd80 \ud655\uc778<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705 40GBASE-ER4 \uad00\ub828 \uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38(FAQ)<\/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\/ab941d05db0c4345bd91552211310d3a.jpg\" alt=\"FAQ About 40GBASE-ER4\" class=\"wp-image-2762\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ab941d05db0c4345bd91552211310d3a.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ab941d05db0c4345bd91552211310d3a-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ab941d05db0c4345bd91552211310d3a-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ab941d05db0c4345bd91552211310d3a-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ab941d05db0c4345bd91552211310d3a-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Q1. 40GBASE-ER4\uc758 \ucd5c\ub300 \uc804\uc1a1 \uac70\ub9ac\ub294 \uc5bc\ub9c8\uc778\uac00\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>40GBASE-ER4\ub294 \ub2e8\uc77c\ubaa8\ub4dc \uad11\uc12c\uc720(SMF)\ub97c \uc0ac\uc6a9\ud574 \ucd5c\ub300 \uc57d 40km\uae4c\uc9c0 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/strong><br>\uc2e4\uc81c \uad6c\ucd95 \ud658\uacbd\uc5d0\uc11c\ub294 \uad11\uc190\uc2e4, \uad11\uc12c\uc720 \ud488\uc9c8, \ucee4\ub125\ud130\/\uc2a4\ud50c\ub77c\uc774\uc2a4 \uc0c1\ud0dc\uc5d0 \ub530\ub77c \ub2ec\uc131 \uac00\ub2a5\ud55c \uac70\ub9ac\uac00 \ub2ec\ub77c\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q2. 40GBASE-ER4\ub294 \ub2e4\uc911\ubaa8\ub4dc \uad11\uc12c\uc720\uc5d0\uc11c \uc791\ub3d9\ud558\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc544\ub2d9\ub2c8\ub2e4. 40GBASE-ER4\ub294 \ub2e8\uc77c\ubaa8\ub4dc \uad11\uc12c\uc720(SMF)\uc5d0\uc11c\ub9cc \uc791\ub3d9\ud569\ub2c8\ub2e4.<\/strong><br>\ub2e4\uc911\ubaa8\ub4dc \uad11\uc12c\uc720(OM3\/OM4)\ub294 \uc7a5\uac70\ub9ac\uc5d0\uc11c \ub192\uc740 \ubd84\uc0b0 \ubc0f \uc2e0\ud638 \uac10\uc1e0\ub85c \uc778\ud574 \uc9c0\uc6d0\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q3. 40GBASE-ER4\ub294 \uc5b4\ub5a4 \uc885\ub958\uc758 \ucee4\ub125\ud130\ub97c \uc0ac\uc6a9\ud558\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ub4c0\ud50c\ub809\uc2a4 LC \ucee4\ub125\ud130<\/code>\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. <strong>\uc989,<\/strong>, \uc1a1\uc2e0(Tx)\uc6a9 \uad11\uc12c\uc720 \ud558\ub098<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc218\uc2e0(Rx)\uc6a9 \uad11\uc12c\uc720 \ud558\ub098<\/p><\/li>\n\n\n\n<li><p>\uc774\ub85c \uc778\ud574 \ud45c\uc900 SMF \ud328\uce58 \ucf00\uc774\ube14\ub9c1 \uc2dc\uc2a4\ud15c\uacfc \ud638\ud658\ub429\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Q4. 40GBASE-ER4\ub294 \ubaa8\ub4e0 QSFP+ \ud3ec\ud2b8\uc640 \ud638\ud658\ub418\ub098\uc694?.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud638\ud658\uc131\uc740 \uc2a4\uc704\uce58 \uc81c\uc870\uc0ac \ubc0f \ud38c\uc6e8\uc5b4\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud56d\uc0c1 \uadf8\ub807\uc9c0\ub294 \uc54a\uc2b5\ub2c8\ub2e4. <strong>Cisco Systems \ubc0f Arista Networks \ub4f1 \uc77c\ubd80 \uc81c\uc870\uc0ac \ud50c\ub7ab\ud3fc\uc5d0\uc11c\ub294 \ub2e4\uc74c\uc774 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2b9\uc778\ub41c \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \ucf54\ub4dc<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc81c\uc870\uc0ac \uc778\uc99d \uad11\ud559 \uc7a5\uce58<\/p><\/li>\n\n\n\n<li><p>Q5. 40GBASE-ER4\ub294 \ud558\uc704 \ud638\ud658\uc131\uc774 \uc788\ub098\uc694?<\/p><\/li>\n\n\n\n<li><p>ER4 \uad11\ubaa8\ub4c8\uc5d0 \ub300\ud55c \ud38c\uc6e8\uc5b4 \uc9c0\uc6d0<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\ub124, \ud504\ub85c\ud1a0\ucf5c \uc218\uc900\uc5d0\uc11c\ub294 \ud558\uc704 \ud638\ud658\ub418\uc9c0\ub9cc \uc778\ud130\ud398\uc774\uc2a4 \uc720\ud615 \uc218\uc900\uc5d0\uc11c\ub294 \uadf8\ub807\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>40G \uc774\ub354\ub137 \ud45c\uc900\uacfc\ub294 \ud558\uc704 \ud638\ud658\ub429\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uadf8\ub7ec\ub098 1G \ub610\ub294 10G \ud3ec\ud2b8\uc640\ub294 \ud638\ud658\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p>QSFP+ 40G \uc778\ud130\ud398\uc774\uc2a4\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p>Q6. 40GBASE-ER4\ub97c \ub2e8\uac70\ub9ac\uc5d0 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub098\uc694?<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\uae30\uc220\uc801\uc73c\ub85c\ub294 \uac00\ub2a5\ud558\uc9c0\ub9cc,<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uad11 \uac10\uc1c4\uae30\ub97c \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uc73c\uba74 <strong>\uad8c\uc7a5\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ER4\ub294 \ub192\uc740 \uc1a1\uc2e0 \ucd9c\ub825 \uc804\ub825\uc744 \uac16\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub2e8\uac70\ub9ac \ub9c1\ud06c\uc5d0\uc11c\ub294 \uc218\uc2e0\uae30\uac00 \uacfc\ubd80\ud558\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p>\uc548\uc804\ud55c \uc791\ub3d9\uc744 \uc704\ud574 \uc778\ub77c\uc778 \uac10\uc1c4\uae30\uac00 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Q7. ER4\uc640 LR4\uc758 \ucc28\uc774\uc810\uc740 \uac04\ub2e8\ud788 \ub9d0\ud558\uba74 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>LR4:<\/strong> \ucd5c\ub300 10km(\ud45c\uc900 \uc5d4\ud130\ud504\ub77c\uc774\uc988\/\ucea0\ud37c\uc2a4 \ub9c1\ud06c)<\/p><\/li>\n\n\n\n<li><p><strong>ER4:<\/strong> \ucd5c\ub300 40km(\uc7a5\uac70\ub9ac \uba54\ud2b8\ub85c \ubc0f DCI \ub9c1\ud06c)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">ER4\ub294 \ubcf8\uc9c8\uc801\uc73c\ub85c \ub9c1\ud06c \uc608\uc0b0 \uc694\uad6c \uc0ac\uc591\uc774 \ub354 \ub192\uc740, LR4\uc758 \uc7a5\uac70\ub9ac \ubc84\uc804\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q8. 40GBASE-ER4\ub294 \ub514\uc9c0\ud138 \uad11\ud559 \ubaa8\ub2c8\ud130\ub9c1(DOM)\uc744 \uc9c0\uc6d0\ud569\ub2c8\uae4c?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc608. \ub300\ubd80\ubd84\uc758 ER4 \ubaa8\ub4c8\uc740 DOM\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/strong><br>\uc774\ub97c \ud1b5\ud574 \ub2e4\uc74c \uc0ac\ud56d\uc744 \uc2e4\uc2dc\uac04\uc73c\ub85c \ubaa8\ub2c8\ud130\ub9c1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uad11 \ucd9c\ub825(Tx\/Rx)<\/p><\/li>\n\n\n\n<li><p>\uc628\ub3c4<\/p><\/li>\n\n\n\n<li><p>\uc804\uc555<\/p><\/li>\n\n\n\n<li><p>\ub808\uc774\uc800 \ubc14\uc774\uc5b4\uc2a4 \uc804\ub958<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">DOM\uc740 \uc7a5\uac70\ub9ac \ub9c1\ud06c\uc758 \uc548\uc815\uc131\uc744 \uc720\uc9c0\ud558\ub294 \ub370 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q9. \uc5b8\uc81c SR4 \ub610\ub294 LR4 \ub300\uc2e0 ER4\ub97c \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\uae4c?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c \uacbd\uc6b0\uc5d0 ER4\ub97c \uc120\ud0dd\ud558\uc138\uc694:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uac70\ub9ac\uac00 10km\ub97c \ucd08\uacfc\ud568<\/p><\/li>\n\n\n\n<li><p>\ub2e8\uc77c \ubaa8\ub4dc \uad11\uc12c\uc720 \uc778\ud504\ub77c\uac00 \uad6c\ucd95\ub418\uc5b4 \uc788\uc74c<\/p><\/li>\n\n\n\n<li><p>\uc9c1\uc811\uc801\uc778 \uc810\ub300\uc810 \uc7a5\uac70\ub9ac \ub9c1\ud06c\uac00 \ud544\uc694\ud568<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Q10. \ud604\ub300 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c 40GBASE-ER4\ub294 \uc5ec\uc804\ud788 \uad00\ub828\uc131\uc774 \uc788\uc2b5\ub2c8\uae4c?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608. 100G \ubc0f 400G\uac00 \ud655\uc0b0\ub418\uace0 \uc788\uc9c0\ub9cc, \uae30\uc874 40G \uc778\ud504\ub77c\ub97c \uc720\uc9c0\ud558\ub294 \ub808\uac70\uc2dc \uc5c5\uadf8\ub808\uc774\ub4dc, \uba54\ud2b8\ub85c \ub9c1\ud06c, \ube44\uc6a9 \ubbfc\uac10\ud615 \ubc31\ubcf8 \ubc30\ud3ec \ub4f1\uc5d0\uc11c\ub294 \uc5ec\uc804\ud788 40GBASE-ER4\uac00 \ub110\ub9ac \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705 \uacb0\ub860: 40GBASE-ER4\uac00 \uc62c\ubc14\ub978 \uc120\ud0dd\uc785\ub2c8\uae4c?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4\ub294 \ub2e8\uc77c \ubaa8\ub4dc \uad11\uc12c\uc720(SMF) \uc0c1\uc5d0\uc11c \uc7a5\uac70\ub9ac 40G \uc774\ub354\ub137 \uc5f0\uacb0\uc744 \uc704\ud55c \uac00\uc7a5 \uc2e0\ub8b0\uc131 \ub192\uc740 \uc194\ub8e8\uc158 \uc911 \ud558\ub098\ub85c \ub0a8\uc544 \uc788\uc73c\uba70, \ud2b9\ud788 \ud655\uc7a5\ub41c \uac70\ub9ac\uc5d0\uc11c\ub3c4 \uc548\uc815\uc801\uc778 \uc131\ub2a5\uc774 \uc694\uad6c\ub418\ub294 \ud658\uacbd\uc5d0\uc11c \uadf8 \uac00\uce58\ub97c \ubc1c\ud718\ud569\ub2c8\ub2e4. \ucd5c\ub300 40km \uc804\uc1a1\uc744 \uc9c0\uc6d0\ud568\uc73c\ub85c\uc368, \ud45c\uc900 \uae30\uc5c5\uc6a9 \uad11\ud559 \uc7a5\uce58\uc640 \uc9c4\uc815\ud55c \uba54\ud2b8\ub85c \ub610\ub294 \ub370\uc774\ud130 \uc13c\ud130 \uac04 \uc5f0\uacb0(DCI) \uc694\uad6c \uc0ac\ud56d \uc0ac\uc774\uc758 \ud575\uc2ec \uaca9\ucc28\ub97c \ud574\uc18c\ud569\ub2c8\ub2e4.<\/p>\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\/0e51c767a87c4d42ba102e3ac4ec321a.jpg\" alt=\"40GBASE-ER4 Is the Right Choice\" class=\"wp-image-2763\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0e51c767a87c4d42ba102e3ac4ec321a.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0e51c767a87c4d42ba102e3ac4ec321a-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0e51c767a87c4d42ba102e3ac4ec321a-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0e51c767a87c4d42ba102e3ac4ec321a-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0e51c767a87c4d42ba102e3ac4ec321a-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ub124\ud2b8\uc6cc\ud06c \uc124\uacc4 \uad00\uc810\uc5d0\uc11c, ER4\ub294 \ub2e4\uc74c \uc138 \uac00\uc9c0 \uc8fc\uc694 \uc870\uac74\uc744 \ubaa8\ub450 \ucda9\uc871\ud560 \ub54c \uc801\uc808\ud55c \uc120\ud0dd\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub9c1\ud06c \uac70\ub9ac\uac00 \ud45c\uc900 LR4\uc758 \ub2a5\ub825\uc744 \ucd08\uacfc\ud568(\uc57d 10km \uc774\uc0c1)<\/p><\/li>\n\n\n\n<li><p>\uc774\uc911\ud654 \ub2e8\uc77c \ubaa8\ub4dc \uad11\uc12c\uc720(SMF) \uc778\ud504\ub77c\uac00 \uc774\ubbf8 \uad6c\ucd95\ub418\uc5b4 \uc788\uc74c<\/p><\/li>\n\n\n\n<li><p>\uc911\uac04 \uc7ac\uc0dd \uc5c6\uc774 \uc548\uc815\uc801\uc778 \uc810\ub300\uc810 \uc7a5\uac70\ub9ac \uc5f0\uacb0\uc774 \ud544\uc694\ud568<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub7ec\ub098 \uc131\uacf5\uc801\uc778 \ubc30\ud3ec\ub294 \uc801\uc808\ud55c \ud638\ud658\uc131 \uac80\uc99d \ubc0f \uad11\ud559 \uc608\uc0b0 \uacc4\ud68d\uc5d0 \ud06c\uac8c \uc758\uc874\ud569\ub2c8\ub2e4. \uc2a4\uc704\uce58 \uc9c0\uc6d0 \uc5ec\ubd80, \ubca4\ub354 \ucf54\ub529 \uc81c\ud55c, \uac10\uc1e0 \uc694\uad6c \uc0ac\ud56d \ub4f1\uc740 \uc124\uce58 \uc804 \ubc18\ub4dc\uc2dc \ud655\uc778\ud574\uc57c \ud558\uba70, \uc774\ub97c \ud1b5\ud574 \uc548\uc815\uc801\uc778 \uc791\ub3d9\uc744 \ubcf4\uc7a5\ud558\uace0 \uc218\uc2e0\uae30 \uc624\ubc84\ub85c\ub4dc \ub610\ub294 \ub9c1\ud06c \ubd88\uc548\uc815\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc694\uc57d\ud558\uc790\uba74, 40GBASE-ER4\ub294 \ubc94\uc6a9 \uad11\ud559 \uc7a5\uce58\uac00 \uc544\ub2c8\ub77c, \ubc31\ubcf8\uae09 \uc5f0\uacb0\uc744 \uc704\ud574 \ud2b9\ubcc4\ud788 \uc124\uacc4\ub41c \uc7a5\uac70\ub9ac \uc804\uc6a9 \uc194\ub8e8\uc158\uc73c\ub85c, \uc2e0\ub8b0\uc131\uc774 \ud544\uc218\uc801\uc778 \ub370\uc774\ud130 \uc13c\ud130 \uac04 \uc5f0\uacb0(DCI), \uba54\ud2b8\ub85c \ub124\ud2b8\uc6cc\ud06c, \uae30\uc5c5 \uc804\uccb4 \uc6b4\ubc18 \ub9c1\ud06c\uc5d0 \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">40G \ubc30\ud3ec\ub97c \uacc4\ud68d \uc911\uc774\uba70 \uac80\uc99d\ub41c \ud638\ud658\uc131, \uc548\uc815\uc801\uc778 \uc131\ub2a5, \ube44\uc6a9 \ud6a8\uc728\uc801\uc778 \uc635\uc158\uc744 \uc6d0\ud55c\ub2e4\uba74, <a target=\"_self\" href=\"https:\/\/www.l-p.com\/\"><strong>LINK-PP \uacf5\uc2dd \uc2a4\ud1a0\uc5b4<\/strong><\/a>, \ub2e4\uc591\ud55c \uae30\uc5c5\uc6a9 \ub124\ud2b8\uc6cc\ud0b9 \ud50c\ub7ab\ud3fc\uc744 \uc9c0\uc6d0\ud558\ub3c4\ub85d \uc124\uacc4\ub41c \uace0\ud488\uc9c8 \ud638\ud658\uc131 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub97c \ud0d0\uc0c9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc77c\uad00\ub41c \uad11\ud559 \uc131\ub2a5\uacfc \uc0c1\ud638\uc6b4\uc6a9\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>40GBASE-ER4\uac00 \ubb34\uc5c7\uc778\uc9c0, \ub4c0\ud50c\ub809\uc2a4 \ub2e8\uc77c\ubaa8\ub4dc \uad11\uc12c\uc720\uc5d0\uc11c \uc5bc\ub9c8\ub098 \uba40\ub9ac \uc804\uc1a1 \uac00\ub2a5\ud55c\uc9c0, \uc5b4\ub5a4 \uc7a5\ube44\ub97c \uc9c0\uc6d0\ud558\ub294\uc9c0, \uadf8\ub9ac\uace0 \uc801\uc808\ud55c QSFP+ \uad11\ud559 \uc7a5\uce58\ub97c \uc120\ud0dd\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\uc544\ubcf4\uc138\uc694.<\/p>","protected":false},"author":1,"featured_media":2764,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[28],"tags":[18],"class_list":["post-2766","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-products","tag-40g-qsfp-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/2766","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=2766"}],"version-history":[{"count":5,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/2766\/revisions"}],"predecessor-version":[{"id":10719,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/2766\/revisions\/10719"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media\/2764"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media?parent=2766"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/categories?post=2766"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/tags?post=2766"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}