{"id":5128,"date":"2025-09-10T00:00:00","date_gmt":"2025-09-10T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/qsfp-plus-40g-er4-long-distance-high-speed-networking\/"},"modified":"2026-06-22T09:12:37","modified_gmt":"2026-06-22T09:12:37","slug":"qsfp-plus-40g-er4-long-distance-high-speed-networking","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/qsfp-plus-40g-er4-long-distance-high-speed-networking","title":{"rendered":"QSFP-40G-ER4 \ud574\uc124: 40km \uac70\ub9ac\uc5d0\uc11c 40Gbps \uc804\uc1a1\uc744 \uc704\ud55c \uc885\ud569 \uac00\uc774\ub4dc"},"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\/93d998714bd2498985e5c28fba52b581.webp\" alt=\"What is QSFP+ 40G ER4 and Why Use It\" class=\"wp-image-5126\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/93d998714bd2498985e5c28fba52b581.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/93d998714bd2498985e5c28fba52b581-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/93d998714bd2498985e5c28fba52b581-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/93d998714bd2498985e5c28fba52b581-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/93d998714bd2498985e5c28fba52b581-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ub370\uc774\ud130 \uc13c\ud130 \ubc0f \uc11c\ube44\uc2a4 \uc81c\uacf5\uc790 \ub124\ud2b8\uc6cc\ud06c\ub77c\ub294 \uace0\uc704\ud5d8 \ud658\uacbd\uc5d0\uc11c \ub300\uc5ed\ud3ed\uacfc \uc804\uc1a1 \uac70\ub9ac\ub294 \ubaa8\ub4e0 \uac83\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4. <strong>IEEE\uc5d0\uc11c \uc815\uc758\ud55c \uc804\uae30 \uc778\ud130\ud398\uc774\uc2a4\ub85c,<\/strong> \uc774 \uae30\uc220\uc774 \ud575\uc2ec \uc778\ud504\ub77c\uc758 \ubc31\ubcf8\uc73c\ub85c \uc790\ub9ac \uc7a1\uc74c\uc5d0 \ub530\ub77c, \uc18d\ub3c4\ub97c \ud76c\uc0dd\ud558\uc9c0 \uc54a\uace0 \ub354 \uae34 \uac70\ub9ac\ub97c \ucee4\ubc84\ud560 \ud544\uc694\uc131\uc774 \uc808\ub300\uc801\uc785\ub2c8\ub2e4. \uc5ec\uae30\uc5d0 \ub4f1\uc7a5\ud558\ub294 \uac83\uc774 \ubc14\ub85c <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472716.htm\"><strong>QSFP-40G-ER4 \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/strong><\/a>\u2014\uc778\uc0c1\uc801\uc778 \uac70\ub9ac\uc5d0\uc11c\ub3c4 \uc6d0\ud65c\ud558\uace0 \uace0\uc18d\uc758 \ub370\uc774\ud130 \uc804\uc1a1\uc744 \ubcf4\uc7a5\ud558\uba70, \uaca9\ucc28\ub97c \uba54\uc6b0\ub294 \ud575\uc2ec \uad6c\uc131 \uc694\uc18c\uc785\ub2c8\ub2e4. \uc624\ub298\uc740 \uc774 \uac15\ub825\ud55c \uad11 \ubaa8\ub4c8\uc5d0 \ub300\ud574 \uc54c\uc544\uc57c \ud560 \ubaa8\ub4e0 \uac83\uc744 \uc790\uc138\ud788 \uc124\uba85\ud574 \ub4dc\ub9bd\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udc49\ud83c\udffb QSFP-40G-ER4 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub780?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"highlight\">The<\/span> <strong>QSFP-40G-ER4<\/strong> (\ucffc\ub4dc \uc2a4\ubab0 \ud3fc\ud329\ud130 \ud50c\ub7ec\uadf8\uc5b4\ube14 40G \uc775\uc2a4\ud150\ub514\ub4dc \ub9ac\uce58)\ub294 \ud56b\uc2a4\uc640\ud504 \uac00\ub2a5 \uad11\uc12c\uc720 \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \ubaa8\ub4c8\uc785\ub2c8\ub2e4. \uc7a5\uac70\ub9ac \ud1b5\uc2e0\uc744 \uc704\ud574 \uc124\uacc4\ub418\uc5c8\uc73c\uba70, \ucd5c\ub300 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/what-is-single-mode-fiber-and-how-does-it-work\/\"><strong>\ub2e8\uc77c\ubaa8\ub4dc \uad11\uc12c\uc720(SMF)<\/strong><\/a> \ub2e8\uc77c \ubaa8\ub4dc \uad11\uc12c\uc720(SMF)\ub97c \ud1b5\ud574 <strong>40\ud0ac\ub85c\ubbf8\ud130<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uae4c\uc9c0 40Gbps \ub370\uc774\ud130 \uc804\uc1a1\ub960\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4. \uc774 \ubaa8\ub4c8\uc740 \uc1a1\uc2e0 \ubc0f \uc218\uc2e0 \ubc29\ud5a5 \uac01\uac01 4\uac1c\uc758 10Gbps \ub808\uc778\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uadf8\ub9ac\uace0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/wdm-optical-transceiver-module-applications\/\"><strong>\ud30c\uc7a5 \ubd84\ud560 \ub2e4\uc911\ud654(WDM)<\/strong><\/a><strong> \uae30\uc220<\/strong> 4\uac1c\uc758 \ub808\uc778\uc744 \ub2e8\uc77c \uad11\uc12c\uc720 \uac00\ub2e5 \uc704\ub85c \uacb0\ud569\ud558\uae30 \uc704\ud574 CWDM \uae30\uc220\uc744 \ucc44\ud0dd\ud558\uc5ec \uc778\ud504\ub77c \ud6a8\uc728\uc131\uc744 \uadf9\ub300\ud654\ud569\ub2c8\ub2e4. \uc774\ub294 <strong>\uc7a5\uac70\ub9ac 40G \uad11 \uc804\uc1a1<\/strong>, \uc744 \uc704\ud55c \ud45c\uc900 \uc194\ub8e8\uc158\uc73c\ub85c, \ub370\uc774\ud130 \uc13c\ud130 \uac04 \uc5f0\uacb0, \ub3c4\uc2dc\uad8c \ub124\ud2b8\uc6cc\ud06c(Metro Network) \uc811\uc18d, \uae30\uc5c5 \ucea0\ud37c\uc2a4 \ub9c1\ud06c \uad6c\ucd95 \ub4f1\uc5d0 \ud65c\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udc49\ud83c\udffb \uc8fc\uc694 \uae30\uc220 \uc0ac\uc591 \ubc0f \uc801\uc6a9 \ubd84\uc57c<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud638\ud658\uc131\uacfc \uc131\ub2a5\uc744 \uc704\ud574\uc11c\ub294 \uc0ac\uc591\uc744 \uc815\ud655\ud788 \uc774\ud574\ud558\ub294 \uac83\uc774 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \uc544\ub798\ub294 \uac04\ub7b5\ud55c \uac1c\uc694\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\uae30\ub2a5<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc0ac\uc591<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\ud3fc \ud329\ud130<\/strong><\/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\"><p><strong>\ub370\uc774\ud130 \uc804\uc1a1 \uc18d\ub3c4<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>IEEE\uc5d0\uc11c \uc815\uc758\ud55c \uc804\uae30 \uc778\ud130\ud398\uc774\uc2a4\ub85c,<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\ud30c\uc7a5<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>4x CWDM(1271, 1291, 1311, 1331nm)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\uc9e7\uc74c(\uc77c\ubc18\uc801\uc73c\ub85c 1~7m)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>\ucd5c\ub300 40km<\/strong> \ub2e8\uc77c \ubaa8\ub4dc \uad11\uc12c\uc720(SMF) \uae30\ubc18<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\uad11\uc12c\uc720 \uc720\ud615<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub2e8\uc77c \ubaa8\ub4dc(OS2)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\ucee4\ub125\ud130<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub4c0\ud50c\ub809\uc2a4 LC<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\uc804\ub825 \uc18c\ube44<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc77c\ubc18\uc801\uc73c\ub85c &lt; 3.5W<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\uc218\uc2e0 \uc804\ub825 (Rx Power):<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc608, \uc2e4\uc2dc\uac04 \ubaa8\ub2c8\ud130\ub9c1 \uac00\ub2a5<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc8fc\uc694 \uc751\uc6a9 \ubd84\uc57c:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\ub370\uc774\ud130\uc13c\ud130 \uac04 \uc5f0\uacb0 <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/data-center-interconnect-definition-benefits-and-role-of-optical-modules\/\"><strong>(DCI)<\/strong><\/a><strong>:<\/strong> \uc9c0\ub9ac\uc801\uc73c\ub85c \ubd84\ub9ac\ub41c \ub450 \ub370\uc774\ud130 \uc13c\ud130\ub97c 40km \uc774\uc0c1 \uac70\ub9ac\ub85c \uc5f0\uacb0.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\ud1b5\uc2e0 \ubc0f \ub3c4\uc2dc\uad8c \ub124\ud2b8\uc6cc\ud06c:<\/strong> \ub3c4\uc2dc\uad8c \ub124\ud2b8\uc6cc\ud06c(MAN)\ub97c \uc704\ud55c \uace0\uc6a9\ub7c9 \ub9c1\ud06c \uc81c\uacf5 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/what-is-a-metropolitan-area-network\/\"><strong>(MANs)<\/strong><\/a>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\uae30\uc5c5 \ubc31\ubcf8 \ub124\ud2b8\uc6cc\ud06c:<\/strong> \ub300\uaddc\ubaa8 \uae30\uc5c5 \ub610\ub294 \ub300\ud559 \ucea0\ud37c\uc2a4 \ub0b4 \uac74\ubb3c \uac04 \uc5f0\uacb0.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>40G \ub124\ud2b8\uc6cc\ud06c \uc5c5\uadf8\ub808\uc774\ub4dc:<\/strong> \ube44\uc6a9\uc774 \ub9ce\uc774 \ub4dc\ub294 \uc678\ubd80 \uc7a5\ube44 \uc5c6\uc774 \uae30\uc874 40G \uc2a4\uc704\uce58 \ud3ec\ud2b8\uc758 \uc804\uc1a1 \uac70\ub9ac \ud655\uc7a5.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udc49\ud83c\udffb \uc65c \uace0\ud488\uc9c8 QSFP-40G-ER4\ub97c \uc120\ud0dd\ud574\uc57c \ud560\uae4c? LINK-PP\uc758 \uc6b0\uc704<\/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\/fc1c7e68a9e34852873f8bd78b8ce4f4.webp\" alt=\"QSFP-40G-ER4 optical transceiver\" class=\"wp-image-5127\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fc1c7e68a9e34852873f8bd78b8ce4f4.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fc1c7e68a9e34852873f8bd78b8ce4f4-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fc1c7e68a9e34852873f8bd78b8ce4f4-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fc1c7e68a9e34852873f8bd78b8ce4f4-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fc1c7e68a9e34852873f8bd78b8ce4f4-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ubaa8\ub4e0 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\uac00 \ub3d9\uc77c\ud558\uac8c \uc81c\uc791\ub418\uc9c0\ub294 \uc54a\uc2b5\ub2c8\ub2e4. \uc800\ub834\ud558\uace0 \uc778\uc99d\ub418\uc9c0 \uc54a\uc740 \ubaa8\ub4c8\uc744 \uc0ac\uc6a9\ud558\uba74 \ub124\ud2b8\uc6cc\ud06c \ubd88\uc548\uc815, \ub370\uc774\ud130 \uc624\ub958, \uc2ec\uc9c0\uc5b4 \uace0\uac00\uc758 \uc2a4\uc704\uce58 \uc7a5\ube44 \uc190\uc0c1\uae4c\uc9c0 \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubc14\ub85c \uc774\ub54c \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ube0c\ub79c\ub4dc <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/page\/aboutus.htm\"><strong>LINK-PP<\/strong><\/a> LINK-PP\uc758 \uace0\ud488\uc9c8 \uc81c\ud488\uc5d0 \ud22c\uc790\ud558\ub294 \uac83\uc774 \uc624\ud788\ub824 \ube44\uc6a9 \ud6a8\uc728\uc131\uc744 \uc785\uc99d\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>LINK-PP<\/strong>\u2018\uc758 \uad11\ud559 \ubaa8\ub4c8(\uc774 \ud3ec\ud568\ub428)\uc740 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472716.htm\"><strong>QSFP-40G-ER4 \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/strong><\/a>, \uc8fc\uc694 OEM \uc2a4\uc704\uce58(Cisco, Juniper, Arista \ub4f1)\uc640\uc758 100% \ud638\ud658\uc131 \ubc0f MSA \ud45c\uc900 \uc644\uc804 \uc900\uc218\ub97c \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \uc5c4\uaca9\ud558\uac8c \ud14c\uc2a4\ud2b8\ub429\ub2c8\ub2e4. \uc774 \ubaa8\ub4c8\uc740 \ub2e4\uc74c\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\uc6b0\uc218\ud55c \uc131\ub2a5:<\/strong> \uc804\uccb4 40km \ubc94\uc704\uc5d0 \uac78\uccd0 \uc548\uc815\uc801\uc778 \uc2e0\ud638 \ubb34\uacb0\uc131.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\uace0\uae09 DDM \uae30\ub2a5:<\/strong> \uc628\ub3c4, \uc804\uc555, TX \ubc14\uc774\uc5b4\uc2a4, \uad11 \ucd9c\ub825\uc744 \uc2e4\uc2dc\uac04\uc73c\ub85c \ubaa8\ub2c8\ud130\ub9c1\ud558\uc5ec \uc0ac\uc804\uc801 \ub124\ud2b8\uc6cc\ud06c \uad00\ub9ac\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\uc0c1\ub2f9\ud55c \ube44\uc6a9 \uc808\uac10:<\/strong> \ube0c\ub79c\ub4dc \ubaa8\ub4c8\uacfc \ub3d9\uc77c\ud55c \uc131\ub2a5\uc744 \ud6e8\uc52c \ub0ae\uc740 \ube44\uc6a9\uc73c\ub85c \uc81c\uacf5\ud568\uc73c\ub85c\uc368, \uadc0\ud558\uc758 <strong>\ub124\ud2b8\uc6cc\ud06c \uc778\ud504\ub77c \ube44\uc6a9\uc744 \uae09\uaca9\ud788 \uc808\uac10\ud569\ub2c8\ub2e4.<\/strong>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\uc2e0\ub8b0\uc131 \ubc0f \ubcf4\uc99d:<\/strong> \uac15\ub825\ud55c \ubcf4\uc99d\uacfc \uc804\ubb38 \uae30\uc220 \uc9c0\uc6d0\uc73c\ub85c \uc548\uc2ec\ud558\uc138\uc694.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4, <strong>LINK-PP <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472716.htm\"><strong>LQ-CW40-ER4C<\/strong><\/a> \uc740 \uc2e0\ub8b0\uc131\uacfc <strong>\ube44\uc6a9 \ud6a8\uc728\uc801\uc778 <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26153-40g-qsfp.htm\"><strong>40G \uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/strong><\/a> \ub3c4\ub2ec \uac70\ub9ac\ub098 \uc131\ub2a5\uc744 \ud0c0\ud611\ud558\uc9c0 \uc54a\ub294 \uc194\ub8e8\uc158\uc744 \ucc3e\ub294 \ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4\uc5d0\uac8c \uc778\uae30 \uc788\ub294 \uc120\ud0dd\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>QSFP-40G-ER4 \ub300 \uae30\ud0c0 40G \ubaa8\ub4c8: \uac04\ub2e8\ud55c \ube44\uad50<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\ub978 40G \uc635\uc158\uacfc \ube44\uad50\ud558\uba74 \uc5b4\ub5a4\uac00\uc694? \uadf8 \ucd5c\ub300 \uac15\uc810\uc740 \ubd84\uba85\ud788 \ub3c4\ub2ec \uac70\ub9ac\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>vs. <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/482749.htm\"><strong>QSFP-40G-SR4<\/strong><\/a><strong>:<\/strong> SR4\ub294 \uba40\ud2f0\ubaa8\ub4dc \uad11\uc12c\uc720(MMF)\uc5d0\uc11c \ub2e8\uac70\ub9ac(\ucd5c\ub300 150m)\uc6a9\uc785\ub2c8\ub2e4. ER4\ub294 \ub2e8\uc77c\ubaa8\ub4dc \uad11\uc12c\uc720(SMF)\uc5d0\uc11c \uc7a5\uac70\ub9ac\uc6a9\uc785\ub2c8\ub2e4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>vs. <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/482487.htm\"><strong>QSFP-40G-LR4<\/strong><\/a><strong>:<\/strong> LR4\ub3c4 \ub2e8\uc77c\ubaa8\ub4dc \uad11\uc12c\uc720\uc6a9\uc774\uc9c0\ub9cc \ucd5c\ub300 \ub3c4\ub2ec \uac70\ub9ac\uac00 10km\ub85c \ub354 \uc9e7\uc2b5\ub2c8\ub2e4. ER4\ub294 \uc774\ub97c \uadf9\uc801\uc73c\ub85c 40km\uae4c\uc9c0 \ud655\uc7a5\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udc49\ud83c\udffb \uacb0\ub860: QSFP-40G-ER4\uac00 \uadc0\ud558\uc5d0\uac8c \uc801\ud569\ud55c\uac00\uc694?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uadc0\ud558\uc758 \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c <strong>20km~40km\uc5d0 \uac78\uce5c \uace0\uc18d \ub370\uc774\ud130 \uc804\uc1a1\uc774 \ud544\uc694\ud558\ub2e4\uba74<\/strong>, LQ-SW100-SR4C <strong>QSFP-40G-ER4 \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/strong> \uc774\ub294 \uc774\uc0c1\uc801\uc774\uace0 \ube44\uc6a9 \ud6a8\uc728\uc801\uc778 \uc194\ub8e8\uc158\uc785\ub2c8\ub2e4. \ucd94\uac00 \uc2e0\ud638 \uc99d\ud3ed\uae30\uc758 \ud544\uc694\uc131\uc744 \uc81c\uac70\ud558\uc5ec \ub124\ud2b8\uc6cc\ud06c \uc124\uacc4\ub97c \ub2e8\uc21c\ud654\ud558\uace0 \uc9c0\uc5f0 \uc2dc\uac04\uc744 \uc904\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubaa8\ub4c8\uc744 \uc120\ud0dd\ud560 \ub54c\ub294 \ud638\ud658\uc131, \ud488\uc9c8, \uacf5\uae09\uc5c5\uccb4 \ud3c9\ud310\uc744 \uc6b0\uc120 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>LINK-PP<\/strong><\/a> \uac19\uc740 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uacf5\uae09\uc5c5\uccb4\ub97c \uc120\ud0dd\ud558\uba74, \uace0\ud488\uc9c8\u00b7\uc2e0\ub8b0\uc131 \ub192\uc740 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub97c \ud655\ubcf4\ud574 \ub124\ud2b8\uc6cc\ud06c\uac00 \uc6d0\ud65c\ud558\uac8c \uc791\ub3d9\ud558\ub3c4\ub85d \ubcf4\uc7a5\ubc1b\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc7a5\uac70\ub9ac 40G \uc5f0\uacb0\uc744 \ud65c\uc131\ud654\ud560 \uc900\ube44\uac00 \ub418\uc168\ub098\uc694?<\/strong> \ud83d\udd0c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u27a1\ufe0f<strong> <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26153-40g-qsfp.htm\"><strong>\uc9c0\uae08 \ubc14\ub85c \ub2f9\uc0ac\uc758 40G \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \uceec\ub809\uc158\uc744 \ub458\ub7ec\ubcf4\uc138\uc694!<\/strong><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83d\udce5 <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/file\/datasheet\/lq-cw40-er4c.pdf\"><strong>LINK-PP LQ-CW40-ER4C\uc758 \uc0c1\uc138 \uc0ac\uc591\uc11c\ub97c \ub2e4\uc6b4\ub85c\ub4dc\ud558\uc138\uc694.<\/strong><\/a><strong>.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udc49\ud83c\udffb \uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38(FAQ)<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >QSFP+ 40G ER4\ub780 \ubb34\uc5c7\uc744 \uc758\ubbf8\ud558\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">QSFP+ 40G ER4\ub294 \ucffc\ub4dc \uc18c\ud615 \ud3fc\ud329\ud130 \ud50c\ub7ec\uadf8\uc5b4\ube14 \ud50c\ub7ec\uc2a4(Quad Small Form-factor Pluggable Plus), 40\uae30\uac00\ube44\ud2b8, \uc775\uc2a4\ud150\ub514\ub4dc \ub9ac\uce58 4(Extended Reach 4)\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc774\ub294 \uc7a5\uac70\ub9ac\uc5d0\uc11c 40Gbps \uc18d\ub3c4\ub97c \uc9c0\uc6d0\ud558\ub294 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub97c \uc124\uba85\ud560 \ub54c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >QSFP+ 40G ER4\uc5d0\ub294 \uc5b4\ub5a4 \uc885\ub958\uc758 \uad11\uc12c\uc720\uac00 \ud544\uc694\ud55c\uac00\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\uc5d0\ub294 \ub2e8\uc77c \ubaa8\ub4dc \uad11\uc12c\uc720(SMF)\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \uc774 \uc81c\ud488\uc740 \ub4c0\ud50c\ub809\uc2a4 LC \ucee4\ub125\ud130\uc640 \uac00\uc7a5 \uc798 \uc791\ub3d9\ud569\ub2c8\ub2e4. \ub2e4\uc911 \ubaa8\ub4dc \uad11\uc12c\uc720\ub294 ER4\uac00 \uc81c\uacf5\ud558\ub294 \uc7a5\uac70\ub9ac \uc804\uc1a1\uc744 \uc9c0\uc6d0\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\uc5b4\ub5a4 \uae30\uae30\uc5d0\uc11c QSFP+ 40G ER4 \ubaa8\ub4c8\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ubaa8\ub4c8\uc740 QSFP+ \ud3ec\ud2b8\ub97c \uac16\ucd98 \uc2a4\uc704\uce58 \ubc0f \ub77c\uc6b0\ud130\uc5d0\uc11c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2dc\uc2a4\ucf54(Cisco), \uc8fc\ub2c8\ud37c(Juniper), \uc544\ub9ac\uc2a4\ud0c0(Arista) \ub4f1 \ub2e4\uc591\ud55c \ube0c\ub79c\ub4dc\uc5d0\uc11c \uc774\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4. \uad6c\ub9e4 \uc804 \ubc18\ub4dc\uc2dc \ud574\ub2f9 \uae30\uae30\uc758 \ud638\ud658\uc131 \ubaa9\ub85d\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >QSFP+ 40G ER4\uc758 \ucd5c\ub300 \uc804\uc1a1 \uac70\ub9ac\ub294 \uc5bc\ub9c8\uc778\uac00\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e8\uc77c \ubaa8\ub4dc \uad11\uc12c\uc720\ub97c \uc0ac\uc6a9\ud560 \uacbd\uc6b0, \uc774 \ubaa8\ub4c8\ub85c \ucd5c\ub300 40km\uae4c\uc9c0 \uc804\uc1a1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uac74\ubb3c \uac04, \ucea0\ud37c\uc2a4 \uac04 \ub610\ub294 \ub3c4\uc2dc \ub0b4 \ub370\uc774\ud130 \uc13c\ud130 \uac04 \uc5f0\uacb0\uc5d0 \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >QSFP+ 40G ER4\uac00 \ub2e4\ub978 40G \ubaa8\ub4c8\uacfc \ub2e4\ub978 \uc810\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">QSFP+ 40G ER4\ub294 SR4 \ub610\ub294 LR4 \ubaa8\ub4c8\ubcf4\ub2e4 \ud6e8\uc52c \uae34 \uc804\uc1a1 \uac70\ub9ac\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. ER4\ub294 \ucd5c\ub300 40km\uae4c\uc9c0 \uc804\uc1a1 \uac00\ub2a5\ud558\uc9c0\ub9cc, SR4 \ubc0f LR4\ub294 \ud6e8\uc52c \uc9e7\uc740 \uac70\ub9ac\ub9cc \uc9c0\uc6d0\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c ER4\ub294 \uc7a5\uac70\ub9ac \ub9c1\ud06c\uc5d0 \uac00\uc7a5 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>QSFP+ 40G ER4\ub294 \ub2e8\uc77c\ubaa8\ub4dc \uad11\uc12c\uc720\ub97c \uc0ac\uc6a9\ud558\ub294 \ub370\uc774\ud130 \uc13c\ud130 \ubc0f \uae30\uc5c5 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc774\uc0c1\uc801\uc778, \ucd5c\ub300 40km\uae4c\uc9c0 \uc7a5\uac70\ub9ac\u00b7\uace0\uc18d \ub9c1\ud06c\ub97c \uc704\ud55c 40G \ud2b8\ub79c\uc2a4\uc2dc\ubc84\uc785\ub2c8\ub2e4.<\/p>","protected":false},"author":1,"featured_media":5126,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[18],"class_list":["post-5128","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-40g-qsfp-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/5128","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=5128"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/5128\/revisions"}],"predecessor-version":[{"id":11413,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/5128\/revisions\/11413"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media\/5126"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media?parent=5128"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/categories?post=5128"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/tags?post=5128"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}