{"id":5275,"date":"2025-09-01T00:00:00","date_gmt":"2025-09-01T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/optical-transceiver-return-loss-back-reflection-guide\/"},"modified":"2026-06-22T07:57:49","modified_gmt":"2026-06-22T07:57:49","slug":"optical-transceiver-return-loss-back-reflection-guide","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/optical-transceiver-return-loss-back-reflection-guide","title":{"rendered":"\uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\uc5d0\uc11c\uc758 \ubc18\uc0ac\uc190\uc2e4(RL\/\ubc31\ub9ac\ud50c\ub809\uc158)\uc774\ub780 \ubb34\uc5c7\uc778\uac00\uc694?"},"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\/27aa3f771fac4f1682068e1b985c95fe.webp\" alt=\"Optical Transceiver Return Loss (ORL \/ Back-reflection)\" class=\"wp-image-5272\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/27aa3f771fac4f1682068e1b985c95fe.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/27aa3f771fac4f1682068e1b985c95fe-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/27aa3f771fac4f1682068e1b985c95fe-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/27aa3f771fac4f1682068e1b985c95fe-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/27aa3f771fac4f1682068e1b985c95fe-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >\u25c6 \uc18c\uac1c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \ubc0f \uad11\uc12c\uc720 \ub124\ud2b8\uc6cc\ud06c\ub97c \ub17c\uc758\ud560 \ub54c, \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc740 \uc885\uc885 \uc18d\ub3c4, \ud30c\uc7a5 \ub610\ub294 \uc804\uc1a1 \uac70\ub9ac\uc5d0 \uc8fc\ubaa9\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ub610 \ub2e4\ub978 \uc911\uc694\ud55c \ub9e4\uac1c\ubcc0\uc218\u2014<strong>\ubc18\uc0ac\uc190\uc2e4(RL)<\/strong>\u2014\ub294 \ube5b\uc758 \uc6d0\ucc9c \uc548\uc815\uc131 \ubc0f \uc804\uccb4 \ub124\ud2b8\uc6cc\ud06c \uc131\ub2a5\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \uc904 \uc218 \uc788\uc74c\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0 \uac04\uacfc\ub418\uae30\ub3c4 \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc18\uc0ac\uc190\uc2e4\uc740 \ucee4\ub125\ud130, \uc2a4\ud30c\uc774\uc2a4 \ub610\ub294 \uc778\ud130\ud398\uc774\uc2a4\uc758 \uacb0\ud568\uc73c\ub85c \uc778\ud574 \uc1a1\uc2e0\uae30 \ucabd\uc73c\ub85c \ub418\ub3cc\uc544\uac00\ub294 \uad11 \ucd9c\ub825\uc758 \uc591\uc744 \uce21\uc815\ud569\ub2c8\ub2e4. 10G, 100G \ub610\ub294 \uc2ec\uc9c0\uc5b4 800G\uc640 \uac19\uc740 \uace0\uc18d\uc73c\ub85c \uc791\ub3d9\ud558\ub294 \ud604\ub300 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c\ub294 \ub0ae\uc740 RL \uac12\uc774 \ube44\ud2b8 \uc624\ub958\ub97c \uc99d\uac00\uc2dc\ud0a4\uace0, \uc2dc\uc2a4\ud15c \uc2e0\ub8b0\uc131\uc744 \uc800\ud558\uc2dc\ud0a4\uba70, \ubd80\ud488 \uc218\uba85\uc744 \ub2e8\ucd95\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubcf8 \uae30\uc0ac\uc5d0\uc11c\ub294 \ubc18\uc0ac\uc190\uc2e4\uc758 \uc815\uc758, \uadf8 \uc911\uc694\uc131, \uc77c\ubc18\uc801\uc778 \uc0b0\uc5c5 \ud45c\uc900, \uadf8\ub9ac\uace0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">\uc744 \uc0ac\uc6a9\ud558\uc5ec \ubcf8 \uc139\uc158\uc5d0\uc11c\ub294 \uace0\ub824\ud574\uc57c \ud560 \uc8fc\uc694 \uc694\uc18c\ub97c \uac15\uc870\ud569\ub2c8\ub2e4.<\/a> \uc774 \uc694\uad6c \uc0ac\ud56d\uc774 \ub192\uc740 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \ub192\uc740 \ubc18\uc0ac\uc190\uc2e4 \uc131\ub2a5\uc744 \ub2ec\uc131\ud558\ub3c4\ub85d \uc124\uacc4\ub41c \ubc29\uc2dd\uc5d0 \ub300\ud574 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u25c6 \ud575\uc2ec \uc694\uc57d<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uad11 \ubc18\uc0ac\uc190\uc2e4(ORL)\uc740 \uad11\uc12c\uc720 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ub418\ub3cc\uc544\uc624\ub294 \ube5b\uc758 \uc591\uc744 \uce21\uc815\ud569\ub2c8\ub2e4. \ub354 \ub192\uc740 ORL \uac12\uc740 \ub354 \uc6b0\uc218\ud55c \uc804\uc1a1 \ud488\uc9c8\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p><\/li><li><p>\ub124\ud2b8\uc6cc\ud06c \uc2e0\ub8b0\uc131 \uc720\uc9c0\ub97c \uc704\ud574 \ubc18\uc0ac\uc190\uc2e4\uc744 \uc815\uae30\uc801\uc73c\ub85c \uce21\uc815\ud558\ub294 \uac83\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc804\ubb38 \uacc4\uce21\uae30\uc778 <strong>OTDR \ubc0f OCWR<\/strong> \uc744 \uc0ac\uc6a9\ud558\uc5ec \ubb38\uc81c\ub97c \uc810\uac80\ud558\uc138\uc694.<\/p><\/li><li><p>\ubc18\uc0ac\uc190\uc2e4\uc744 \ucd5c\uc18c\ud654\ud558\ub824\uba74 \uc0ac\uc6a9 \uc804 \ucee4\ub125\ud130\ub97c \uccad\uc18c\ud558\uace0, APC \ucee4\ub125\ud130\ub97c \uc0ac\uc6a9\ud558\uba70, \uad11\uc12c\uc720 \uc885\ub2e8 \ubc0f \uc720\uc9c0\ubcf4\uc218\uc5d0 \ub300\ud55c \ubaa8\ubc94 \uc0ac\ub840\ub97c \uc900\uc218\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\u25c6 \ubc18\uc0ac\uc190\uc2e4\uc774\ub780?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubc18\uc0ac\uc190\uc2e4(RL)<\/strong> \ubc18\uc0ac\uc190\uc2e4\uc740 \uc2dc\uc2a4\ud15c\uc5d0 \uc785\uc0ac\ub418\ub294 \uad11 \ucd9c\ub825\uacfc \uc6d0\ucc9c \ucabd\uc73c\ub85c \ubc18\uc0ac\ub418\uc5b4 \ub3cc\uc544\uc624\ub294 \uad11 \ucd9c\ub825\uc758 \ube44\uc728\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong><p>\uc815\uc758:<\/p><\/strong><br\/>RL = 10 \u00d7 log\u2081\u2080 (Pin \/ Preflected)<\/p><\/li><li><p><strong>\ub2e8\uc704:<\/strong> \ub514\uc2dc\ubca8(dB)<\/p><\/li><li><p><strong>\ud574\uc11d \ubc29\ubc95:<\/strong> \ub354 \ub192\uc740 RL \uac12\uc740 \ubc18\uc0ac\ub418\ub294 \ucd9c\ub825\uc774 \uc801\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud558\uba70, \ub530\ub77c\uc11c \ub354 \uc6b0\uc218\ud55c \uc131\ub2a5\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"320\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3cf6ca7375e14bacab9be0be1f434124.webp\" alt=\"Optical Transceiver Return Loss \" class=\"wp-image-5273\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3cf6ca7375e14bacab9be0be1f434124.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3cf6ca7375e14bacab9be0be1f434124-300x80.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3cf6ca7375e14bacab9be0be1f434124-1024x273.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3cf6ca7375e14bacab9be0be1f434124-768x205.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3cf6ca7375e14bacab9be0be1f434124-18x5.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>RL = 20 dB \u2192 \ubc18\uc0ac\ub418\ub294 \ucd9c\ub825\uc758 1%<\/p><\/li><li><p>RL = 40 dB \u2192 \ubc18\uc0ac\ub418\ub294 \ucd9c\ub825\uc758 0.01%<\/p><\/li><li><p>RL = 60 dB \u2192 \uac70\uc758 \ubb34\uc2dc\ud560 \uc218 \uc788\ub294 \ubc18\uc0ac<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\u25c6 \uad11 \ubc18\uc0ac\uc190\uc2e4\uc774 \uc911\uc694\ud55c \uc774\uc720\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >\ub808\uc774\uc800 \uc548\uc815\uc131<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc18\uc0ac\ub41c \uad11 \ucd9c\ub825\uc774 \uc1a1\uc2e0\uae30\uc758 \ub808\uc774\uc800 \uce90\ube44\ud2f0\ub85c \uc7ac\uc9c4\uc785\ud558\uba74 <strong>\ubaa8\ub4dc \ud638\ud551, \uac15\ub3c4 \ub178\uc774\uc988 \ub610\ub294 \uc8fc\ud30c\uc218 \ubd88\uc548\uc815\uc131<\/strong>. \uc744 \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ud2b9\ud788 \uace0\uc18d \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc2e0\ud638 \ubb34\uacb0\uc131\uc744 \uc800\ud558\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\ube44\ud2b8 \uc624\ub958\uc728(BER)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc18\uc0ac\ub85c \uc778\ud574 \uad11\ud559 \uc7a1\uc74c\uacfc \uc9c0\ud130\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \ub354 \ub192\uc740 \ub370\uc774\ud130 \uc804\uc1a1 \uc18d\ub3c4(25G, 100G \uc774\uc0c1)\uc5d0\uc11c\ub294 \ubbf8\uc138\ud55c \ubc18\uc0ac\uc870\ucc28\ub3c4 \uc0c1\ub2f9\ud55c <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/understanding-what-is-bit-error-rate\/\"><strong>BER<\/strong><\/a><strong> \uc99d\uac00\ub97c \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\uc2dc\uc2a4\ud15c \uc2e0\ub8b0\uc131<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub808\uc774\uc800\uac00 \ubc18\uc0ac\ub41c \uad11 \ucd9c\ub825\uc5d0 \uc7a5\uae30\uac04 \ub178\ucd9c\ub418\uba74 \ub178\ud654\uac00 \uac00\uc18d\ud654\ub418\uc5b4 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">\uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\ub124\ud2b8\uc6cc\ud06c \uc124\uacc4 \uc720\uc5f0\uc131<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc18\uc0ac\ub97c \ucd5c\uc18c\ud654\ud568\uc73c\ub85c\uc368 \uc6b4\uc601\uc790\ub294 \uc131\ub2a5 \uc800\ud558 \uc5c6\uc774 \ub354 \uae34 \ub9c1\ud06c, \ub354 \ub9ce\uc740 \ucee4\ub125\ud130 \ub610\ub294 \ub354 \ubcf5\uc7a1\ud55c \uc218\ub3d9 \uad11 \ubd80\ud488\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u25c6 \uc77c\ubc18\uc801\uc778 \ubc18\uc0ac\uc190\uc2e4(RL) \uae30\uc900<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc18\uc0ac\uc190\uc2e4 \uc694\uad6c\uc0ac\ud56d\uc740 \uad11\uc12c\uc720 \ucee4\ub125\ud130 \uc720\ud615 \ubc0f \ub124\ud2b8\uc6cc\ud06c \uc751\uc6a9 \ubd84\uc57c\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>PC(Physical Contact) \ucee4\ub125\ud130<\/strong>: RL \u2265 40 dB<\/p><\/li><li><p><strong>UPC(Ultra Physical Contact) \ucee4\ub125\ud130<\/strong>: RL \u2265 50 dB<\/p><\/li><li><p><strong>APC(Angled Physical Contact) \ucee4\ub125\ud130\ub294<\/strong>: RL \u2265 60 dB<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uad11 \ud2b8\ub79c\uc2dc\ubc84\uc758 \uacbd\uc6b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub300\ubd80\ubd84\uc758 IEEE \ubc0f <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/multi-source-agreements-optical-transceivers\/\">\uc0b0\uc5c5\uc6a9 \uc801\ud569\uc131<\/a> \ud45c\uc900\uc740 \uad11 \ud3ec\ud2b8\uc5d0\uc11c RL \u2265 26 dB\ub97c \uaddc\uc815\ud569\ub2c8\ub2e4.<\/p><\/li><li><p>\uc2e4\ubb34\uc5d0\uc11c\ub294 \uace0\uc131\ub2a5 \ubaa8\ub4c8\uc774 RL \u2265 30 dB \uc774\uc0c1\uc744 \ub2ec\uc131\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\u25c6 \ubc18\uc0ac\uc190\uc2e4(RL) \ub300 \ubc18\uc0ac\uc728(Reflectance)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uad00\ub828\uc131\uc774 \uc788\uc73c\ub098, RL\uc740 \uc885\uc885 \ubc18\uc0ac\uc728\uacfc \ud63c\ub3d9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\ubc18\uc0ac\uc728(Reflectance)<\/strong> = \ubc18\uc0ac\ub41c \uad11 \ucd9c\ub825 \ub300 \uc785\uc0ac \uad11 \ucd9c\ub825\uc758 \ube44\uc728(\uc74c\uc758 dB \uac12\uc73c\ub85c \ud45c\ud604\ub428).<\/p><\/li><li><p><strong>\ubc18\uc0ac\uc190\uc2e4(Retrun Loss)<\/strong> = \uc591\uc758 dB \uac12\uc73c\ub85c, 10 log(Pin\/Pref)\ub85c \uacc4\uc0b0\ub429\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc694\uc57d\ud558\uba74:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub192\uc740 \ubc18\uc0ac\uc190\uc2e4(\uc608: 60 dB) = \ub0ae\uc740 \ubc18\uc0ac\uc728(\uc608: \u221260 dB).<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\u25c6 \ub0ae\uc740 \ubc18\uc0ac\uc190\uc2e4\uc758 \uc6d0\uc778<\/h2>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p><strong>\ucee4\ub125\ud130 \ud45c\uba74 \uacb0\ud568<\/strong>: \ud760\uc9d1, \uc774\ubb3c\uc9c8, \ubd88\ub7c9 \ud3f4\ub9ac\uc2f1 \ub4f1.<\/p><\/li><li><p><strong>\uacf5\uae30 \uac04\uadf9(Air Gaps)<\/strong>: \ucee4\ub125\ud130 \uac04 \ubbf8\uc138\ud55c \uac04\uaca9\uc870\ucc28\ub3c4 \ud504\ub808\ub12c \ubc18\uc0ac\ub97c \uc720\ubc1c\ud569\ub2c8\ub2e4.<\/p><\/li><li><p><strong>\uc778\ud130\ud398\uc774\uc2a4 \ubd88\uc77c\uce58<\/strong>: PC \ucee4\ub125\ud130\uc640 APC \ucee4\ub125\ud130\ub97c \ud63c\uc6a9\ud558\uba74 \uc0c1\ub2f9\ud55c \ubc18\uc0ac\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p><\/li><li><p><strong>\uad11\uc12c\uc720 \ud30c\uc190 \ub610\ub294 \uad74\uace1<\/strong>: \uad11\uc12c\uc720 \uacbd\ub85c \ub0b4 \ubb3c\ub9ac\uc801 \uacb0\ud568\uc774 \ube5b\uc744 \ub418\ub3cc\ub824 \ubc18\uc0ac\uc2dc\ud0b5\ub2c8\ub2e4.<\/p><\/li><li><p><strong>\uc800\ud488\uc9c8 \ud2b8\ub79c\uc2dc\ubc84<\/strong>: \ub0b4\ubd80 \uad11\ud559 \uc124\uacc4\uac00 \ubd80\uc2e4\ud558\uc5ec \ubc18\uc0ac\ub97c \ucda9\ubd84\ud788 \uc81c\uc5b4\ud558\uc9c0 \ubabb\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" >\u25c6 \ubc18\uc0ac\uc190\uc2e4 \uce21\uc815<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uad11 \ubc18\uc0ac\uc190\uc2e4\uc740 \uc804\uc6a9 \uce21\uc815 \uae30\uae30\ub97c \uc0ac\uc6a9\ud558\uc5ec \uce21\uc815\ud569\ub2c8\ub2e4. \uce21\uc815\uc744 \ud1b5\ud574 \uad11\uc12c\uc720 \uc5f0\uacb0 \ud488\uc9c8\uc744 \uac80\uc99d\ud558\uace0 \ubc18\uc0ac\uc728 \ub610\ub294 \uc190\uc2e4 \uad00\ub828 \ubb38\uc81c\ub97c \uc2dd\ubcc4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<br\/>\uad11\uc12c\uc720\uc5d0\uc11c \ubc18\uc0ac\uc190\uc2e4\uc744 \uce21\uc815\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 \uc77c\ubc18\uc801\uc778 \ub3c4\uad6c\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 323px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"323\"><p>\uae30\uae30<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc124\uba85<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"323\"><p>OCWR(Optical Continuous Wave Reflectometer)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ucee4\ub125\ud130\uc758 \ubc18\uc0ac\uc728 \ub610\ub294 \uad11 \ubc18\uc0ac\uc190\uc2e4\uc744 \uce21\uc815\ud569\ub2c8\ub2e4. \uc8fc\ub85c \ucee4\ub125\ud130 \ud14c\uc2a4\ud2b8\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"323\"><p>OTDR(Optical Time Domain Reflectometer)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud6c4\ubc29\uc0b0\ub780\uc744 \uc0ac\uc6a9\ud558\uc5ec \uacb0\ud568\uc744 \uc2dd\ubcc4\ud558\uace0, \uc2a4\ud30c\uc774\uc2a4\ub97c \ucd5c\uc801\ud654\ud558\uba70, \ud6c4\ubc29\uc0b0\ub780 \uacc4\uc218 \ubc0f \uad11\uc12c\uc720 \uc190\uc2e4\uc5d0 \uae30\ubc18\ud558\uc5ec \uc190\uc2e4\uc744 \uce21\uc815\ud569\ub2c8\ub2e4.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uadc0\ud658 \uc190\uc2e4\uc5d0 \ub300\ud55c \uc0b0\uc5c5 \ud45c\uc900\uc744 \ucda9\uc871\ud558\ub294\uc9c0 \ud655\uc778\ud558\uae30 \uc704\ud574 \uc815\uae30\uc801\uc73c\ub85c \ud14c\uc2a4\ud2b8\ud574\uc57c \ud569\ub2c8\ub2e4. \ub2e8\uc77c\ubaa8\ub4dc \ucee4\ub125\ud130\uc758 \uacbd\uc6b0, IEC 61753-1\uc5d0\uc11c \uad8c\uc7a5\ud558\ub294 \ubc14\uc5d0 \ub530\ub77c \ucd5c\uc18c \uadc0\ud658 \uc190\uc2e4 55 dB\ub97c \ub2ec\uc131\ud574\uc57c \ud569\ub2c8\ub2e4. <strong>IEC 61753-1<\/strong>. \ub2e4\uc911\ubaa8\ub4dc \ucee4\ub125\ud130\ub294 \ucd5c\uc18c 35 dB \uc774\uc0c1\uc758 \uadc0\ud658 \uc190\uc2e4\uc744 \ub2ec\uc131\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud45c\uc900\uc744 \uc900\uc218\ud558\uba74 \uc2e0\ud638 \ud488\uc9c8 \uc800\ud558\ub97c \ubc29\uc9c0\ud558\uace0 \ub192\uc740 \uc804\uc1a1 \ud488\uc9c8\uc744 \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uad11\uc12c\uc720 \uae30\uc220\uc774 \uc9c4\ud654\ud568\uc5d0 \ub530\ub77c \uc138\ub77c\ubbf9 \ud398\ub8f0\uacfc \uac19\uc740 \ud601\uc2e0 \uae30\uc220\uc740 \uc815\ub82c \uc815\ubc00\ub3c4\ub97c \ud5a5\uc0c1\uc2dc\ud0a4\uace0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/optical-transceiver-insertion-loss-definition-impact\/\">\uc0bd\uc785 \uc190\uc2e4\uc744 \uce21\uc815\ud558\uace0,<\/a>. \uc774\ub7ec\ud55c \ubc1c\uc804\uc740 \uc720\ub9ac \uad11\uc12c\uc720 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \uad11\uadc0\ud658 \uc190\uc2e4(ORL)\uc744 \uad00\ub9ac\ud558\uae30 \uc27d\uac8c \ub9cc\ub4ed\ub2c8\ub2e4. <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>LINK-PP \uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84 <\/strong><\/a>\uc81c\ud488\uc740 \uc774\ub7ec\ud55c \uae30\uc220\uc744 \ud1b5\ud569\ud558\uc5ec \uc2e0\ub8b0\uc131 \uc788\ub294 \uc131\ub2a5\uacfc \uc6b0\uc218\ud55c ORL\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\ucc38\uace0: \uad11\uc12c\uc720\uc758 \uadc0\ud658 \uc190\uc2e4 \ud14c\uc2a4\ud2b8\ub294 \ub124\ud2b8\uc6cc\ud06c \uc2e0\ub8b0\uc131\uc744 \uc720\uc9c0\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \ud56d\uc0c1 \uad50\uc815\ub41c \uacc4\uce21\uae30\uae30\ub97c \uc0ac\uc6a9\ud558\uace0 \uc815\ud655\ud55c \uacb0\uacfc\ub97c \uc5bb\uae30 \uc704\ud574 \ucd5c\uc120\uc758 \ubc29\ubc95\uc744 \ub530\ub974\uc2ed\uc2dc\uc624.<\/p><\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" >\u25c6 \uadc0\ud658 \uc190\uc2e4 \uac1c\uc120\uc744 \uc704\ud55c \ucd5c\uc120\uc758 \ubc29\ubc95<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>APC \ucee4\ub125\ud130 \uc0ac\uc6a9<\/strong> \ubbfc\uac10\ud55c DWDM, CATV \ubc0f \uace0\uc18d \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c.<\/p><\/li><li><p><strong>\ucee4\ub125\ud130\ub97c \uc801\uc808\ud788 \uccad\uc18c\ud558\uc138\uc694.<\/strong> \ub9b0\ud2b8 \ud504\ub9ac(lint-free) \uc6e8\uc774\ud504\uc640 \uc774\uc18c\ud504\ub85c\ud544 \uc54c\ucf54\uc62c(isopropyl alcohol)\uc744 \uc0ac\uc6a9\ud558\uc138\uc694.<\/p><\/li><li><p><strong>\uc810\uac80\ud558\uace0 \ud14c\uc2a4\ud2b8\ud558\uc138\uc694.<\/strong> \uad11 \ubc18\uc0ac \uc190\uc2e4 \uce21\uc815\uae30(ORL \ubbf8\ud130)\ub97c \uc0ac\uc6a9\ud558\uc5ec.<\/p><\/li><li><p><strong>\uace0\ud488\uc9c8 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub97c \uc120\ud0dd\ud558\uc138\uc694.<\/strong> \ubc18\uc0ac \uc5b5\uc81c \uae30\ub2a5\uc744 \uac16\ucd98 \uc124\uacc4.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\u25c6 LINK-PP \uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \ubc0f \ubc18\uc0ac \uc190\uc2e4<\/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\/db7661b53bae455d8e4eccfae211b734.jpg\" alt=\"LINK-PP SFP Optical Transceivers\" class=\"wp-image-5274\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/db7661b53bae455d8e4eccfae211b734.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/db7661b53bae455d8e4eccfae211b734-300x178.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/db7661b53bae455d8e4eccfae211b734-1024x608.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/db7661b53bae455d8e4eccfae211b734-768x456.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/db7661b53bae455d8e4eccfae211b734-18x12.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">LINK-PP \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \ubc18\uc0ac \uc190\uc2e4\uc774 \ub2e8\uc21c\ud55c \uc0ac\uc591\uc774 \uc544\ub2c8\ub77c \ub124\ud2b8\uc6cc\ud06c \uc548\uc815\uc131\uc758 \ud575\uc2ec \uc694\uc18c\uc784\uc744 \uc798 \uc54c\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ub2f9\uc0ac\uc758 \uad11 \ubaa8\ub4c8\uc740 \uc5c5\uacc4\uc758 RL \ud45c\uc900\uc744 \ucda9\uc871\ud558\uac70\ub098 \ucd08\uacfc\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\uc608\uc2dc \uc81c\ud488<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/475586.htm\"><strong>10G SFP+ LR 1310nm<\/strong><\/a> \u2013 \ucd5c\ub300 10km\uae4c\uc9c0 \uc548\uc815\uc801\uc778 \uc7a5\uac70\ub9ac \ub9c1\ud06c\ub97c \uc704\ud574 RL \u2265 30dB\ub97c \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/476046.htm\"><strong>25G SFP28 LR<\/strong><\/a> \u2013 \ub192\uc740 RL \uc131\ub2a5\uc73c\ub85c \ub370\uc774\ud130 \uc13c\ud130 \uac04 \uc5f0\uacb0\uc5d0 \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4.<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/482370.htm\"><strong>100G QSFP28 CWDM4<\/strong><\/a> \u2013 RL \u2265 30dB\ub85c \ud074\ub77c\uc6b0\ub4dc \ubc0f \ud1b5\uc2e0 \ubd84\uc57c\uc758 \uc5c4\uaca9\ud55c \uc694\uad6c \uc0ac\ud56d\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5c4\uaca9\ud55c \ud488\uc9c8 \uad00\ub9ac\uc640 \uace0\uae09 \uad11\ud559 \uc124\uacc4\ub97c \ud1b5\ud574, <strong>LINK-PP \ubaa8\ub4c8<\/strong> \uc5ec\ub7ec \uac1c\uc758 \ucee4\ub125\ud130 \ubc0f \uc2a4\ud30c\uc774\uc2a4\uac00 \uc874\uc7ac\ud558\ub294 \ud658\uacbd\uc5d0\uc11c\ub3c4 \uc77c\uad00\ub41c \uc131\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u25c6 \uacb0\ub860<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubc18\uc0ac\uc190\uc2e4(Retrun Loss)<\/strong> \uad11 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \uac00\uc7a5 \uc911\uc694\ud558\uba74\uc11c\ub3c4 \uc790\uc8fc \uc624\ud574\ub418\ub294 \ud30c\ub77c\ubbf8\ud130 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \ub192\uc740 RL \uac12\uc740 \uc548\uc815\uc801\uc778 \uc1a1\uc2e0\uae30, \ub0ae\uc740 \ube44\ud2b8 \uc624\ub958\uc728(BER), \uae34 \ubd80\ud488 \uc218\uba85\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac80\uc99d\ub41c \ubc18\uc0ac \uc190\uc2e4 \uc131\ub2a5\uc744 \uac16\ucd98 \uad11 \ubaa8\ub4c8(\uc608: <strong>LINK-PP<\/strong>, )\uc744 \uc120\ud0dd\ud568\uc73c\ub85c\uc368, \ub124\ud2b8\uc6cc\ud06c \uc6b4\uc601\uc790\ub294 \ucc28\uc138\ub300 \ub370\uc774\ud130 \uc804\uc1a1 \uc18d\ub3c4\ub97c \uc704\ud55c \uc2e0\ub8b0\uc131 \uc788\uace0 \ud655\uc7a5 \uac00\ub2a5\ud55c \uc778\ud504\ub77c\ub97c \uad6c\ucd95\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0c8\ub85c\uc6b4 \uad6c\ucd95 \uacc4\ud68d\uc744 \uc218\ub9bd \uc911\uc774\uac70\ub098 \uae30\uc874 \ub9c1\ud06c\ub97c \uc5c5\uadf8\ub808\uc774\ub4dc\ud558\ub824\ub294 \uacbd\uc6b0, \ubc18\uc0ac \uc190\uc2e4\uc758 \uc5ed\ud560\uc744 \uc2e0\uc911\ud788 \uace0\ub824\ud558\uc2ed\uc2dc\uc624\u2014\uadf8\ub9ac\uace0 \uadc0\ud558\uc758 \ub124\ud2b8\uc6cc\ud06c\ub97c \uc548\uc815\uc801\uc774\uace0 \ud6a8\uc728\uc801\uc73c\ub85c \uc720\uc9c0\ud558\uae30 \uc704\ud574 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm?ca=1487&amp;cv=8306\">\uc744 \uc0ac\uc6a9\ud558\uc5ec \ubcf8 \uc139\uc158\uc5d0\uc11c\ub294 \uace0\ub824\ud574\uc57c \ud560 \uc8fc\uc694 \uc694\uc18c\ub97c \uac15\uc870\ud569\ub2c8\ub2e4.<\/a> \ub97c \uc2e0\ub8b0\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u25c6 \uad00\ub828 \ud56d\ubaa9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/common-optical-transceiver-failures-and-solutions\/\">\uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \uace0\uc7a5 \uc6d0\uc778 \ubd84\uc11d: \uc8fc\uc694 \ubb38\uc81c\uc810 \ubc0f \ud574\uacb0 \ubc29\uc548<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/overview-of-optical-transceivers\/\">\uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \uae30\uc220\uc5d0 \ub300\ud55c \uc2ec\uce35 \uac00\uc774\ub4dc<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/optical-transceiver-performance-tests\/\">\uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\uc758 \uc77c\uad00\ub41c \uc131\ub2a5 \uc720\uc9c0\ub97c \uc704\ud55c \ud301<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/how-optical-transceivers-transmit-data\/\">\uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \ub0b4 \ub370\uc774\ud130 \uc804\uc1a1 \uba54\ucee4\ub2c8\uc998<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/quality-certifications-optical-transceivers\/\">\uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \ud488\uc9c8\uc744 \ubcf4\uc7a5\ud558\ub294 \ud544\uc218 \uc778\uc99d\uc11c<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>\ud2b8\ub79c\uc2a4\uc2dc\ubc84\uc5d0\uc11c \uad11\ud559\uc801 \ubc18\uc0ac \uc190\uc2e4(ORL)\uc744 \uc774\ud574\ud558\uace0, \ub124\ud2b8\uc6cc\ud06c \uc548\uc815\uc131 \ud655\ubcf4\ub97c \uc704\ud574 \uc65c \uc774 \uac12\uc774 \uc911\uc694\ud55c\uc9c0, \uadf8\ub9ac\uace0 LINK-PP \ubaa8\ub4c8\uc774 \ub192\uc740 \ubc18\uc0ac \uc190\uc2e4(RL) \uc131\ub2a5\uc744 \uc5b4\ub5bb\uac8c \uc81c\uacf5\ud558\ub294\uc9c0 \uc54c\uc544\ubcf4\uc138\uc694.<\/p>","protected":false},"author":1,"featured_media":5272,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[26],"class_list":["post-5275","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/5275","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=5275"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/5275\/revisions"}],"predecessor-version":[{"id":11202,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/5275\/revisions\/11202"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media\/5272"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media?parent=5275"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/categories?post=5275"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/tags?post=5275"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}