{"id":5286,"date":"2025-09-01T00:00:00","date_gmt":"2025-09-01T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/insertion-loss-vs-return-loss-in-optical-transceivers\/"},"modified":"2026-06-22T07:58:55","modified_gmt":"2026-06-22T07:58:55","slug":"insertion-loss-vs-return-loss-in-optical-transceivers","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/insertion-loss-vs-return-loss-in-optical-transceivers","title":{"rendered":"\uad11\ud559 \ubaa8\ub4c8\uc5d0\uc11c \uc0bd\uc785 \uc190\uc2e4\uacfc \ubc18\uc0ac \uc190\uc2e4\uc758 \uc8fc\uc694 \ucc28\uc774\uc810"},"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\/27210832f30b44789c72aeac7018c07c.webp\" alt=\"Return Loss vs. Insertion Loss  \" class=\"wp-image-5281\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/27210832f30b44789c72aeac7018c07c.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/27210832f30b44789c72aeac7018c07c-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/27210832f30b44789c72aeac7018c07c-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/27210832f30b44789c72aeac7018c07c-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/27210832f30b44789c72aeac7018c07c-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >\uc11c\ub860<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uad11\uc12c\uc720 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c,<br>, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/optical-transceiver-insertion-loss-definition-impact\/\"><strong>\uc0bd\uc785 \uc190\uc2e4(IL)<\/strong><\/a> \ubc0f <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/optical-transceiver-return-loss-back-reflection-guide\/\"><strong>\ubc18\uc0ac\uc190\uc2e4(RL)<br><\/strong><\/a> \uc740 \ubaa8\ub4e0 \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \ubc18\ub4dc\uc2dc \uc774\ud574\ud574\uc57c \ud558\ub294 \ub450 \uac00\uc9c0 \ud575\uc2ec \uc9c0\ud45c\uc785\ub2c8\ub2e4. IL\uc740 \uad11 \uc2e0\ud638\uac00 \ubd80\ud488\uc744 \ud1b5\uacfc\ud560 \ub54c \uc5bc\ub9c8\ub098 \ub9ce\uc740 \uad11 \ucd9c\ub825\uc774 \uc190\uc2e4\ub418\ub294\uc9c0\ub97c \uce21\uc815\ud558\ub294 \ubc18\uba74, RL\uc740 \uc1a1\uc2e0\uae30 \ucabd\uc73c\ub85c \ubc18\uc0ac\ub418\uc5b4 \ub3cc\uc544\uc624\ub294 \ucd9c\ub825\uc758 \uc591\uc744 \uce21\uc815\ud569\ub2c8\ub2e4. \ub450 \uc9c0\ud45c \ubaa8\ub450 \ub124\ud2b8\uc6cc\ud06c \uc131\ub2a5\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\uc9c0\ub9cc, \uadf8 \ubc29\uc2dd\uc740 \uc11c\ub85c \ub2e4\ub985\ub2c8\ub2e4.<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc801\uc808\ud55c \ubd80\ud488, \ucee4\ub125\ud130 \ubc0f \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub97c \uc120\ud0dd\ud558\ub824\uba74 \uc774\ub7ec\ud55c \ucc28\uc774\uc810\uc744 \uc815\ud655\ud788 \uc774\ud574\ud574\uc57c \ud569\ub2c8\ub2e4. \ubcf8 \uae30\uc0ac\uc5d0\uc11c\ub294 \uc0bd\uc785\uc190\uc2e4\uacfc \ubc18\uc0ac\uc190\uc2e4\uc744 \ube44\uad50\ud558\uace0, \uac01\uac01\uc774 \uc911\uc694\ud55c \uc0c1\ud669\uc744 \uc124\uba85\ud558\uba70,<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>\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.<\/strong><\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\uc0bd\uc785\uc190\uc2e4 \uc774\ud574\ud558\uae30<br><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >1 \uc815\uc758<br><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0bd\uc785\uc190\uc2e4\uc740 \uc7a5\uce58 \ub610\ub294 \uad11\uc12c\uc720 \ub9c1\ud06c\uc758 \uc785\ub825\uacfc \ucd9c\ub825 \uc0ac\uc774\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294<br> <strong>\uad11 \ucd9c\ub825\uc758 \uac10\uc18c\ub7c9\uc744 \uc815\ub7c9\ud654\ud569\ub2c8\ub2e4.<br><\/strong> \ub0ae\uc740 IL\uc774 \ub354 \uc88b\uc2b5\ub2c8\ub2e4. \uc989, \ub354 \ub9ce\uc740 \ube5b\uc774 \uc218\uc2e0\uae30\uc5d0 \ub3c4\ub2ec\ud55c\ub2e4\ub294 \uc758\ubbf8\uc785\ub2c8\ub2e4.<br>.<\/p>\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\/73971f35547f49cca0e23d6f0a38e9a3.webp\" alt=\"What is Insertion Loss\uff1f\" class=\"wp-image-5282\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/73971f35547f49cca0e23d6f0a38e9a3.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/73971f35547f49cca0e23d6f0a38e9a3-300x80.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/73971f35547f49cca0e23d6f0a38e9a3-1024x273.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/73971f35547f49cca0e23d6f0a38e9a3-768x205.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/73971f35547f49cca0e23d6f0a38e9a3-18x5.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc77c\ubc18\uc801\uc778 \uc6d0\uc778\uc73c\ub85c\ub294 \ucee4\ub125\ud130 \uc190\uc2e4, \uad11\uc12c\uc720 \uac10\uc1e0, \uc2a4\ud30c\uc774\uc2a4, \uad74\uace1 \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4.<br>.<\/p><\/li><li><p>2 \uc65c IL\uc774 \uc911\uc694\ud55c\uac00?<br>.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >\uc218\uc2e0 \uc804\ub825 \ubc0f \ub9c1\ud06c \uc5ec\uc720\ub97c \uc9c1\uc811\uc801\uc73c\ub85c \uac10\uc18c\uc2dc\ud0b5\ub2c8\ub2e4.<br><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>IL\uc774 \ub192\uc73c\uba74 \uc218\uc2e0\uae30\uac00 \ubbfc\uac10\ub3c4 \uc774\ud558\ub85c \ub5a8\uc5b4\uc9c8 \uacbd\uc6b0 \ube44\ud2b8 \uc624\ub958 \ub610\ub294 \ub9c1\ud06c \uc2e4\ud328\ub97c \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<br>.<\/p><\/li><li><p>\uc7a5\uac70\ub9ac \ub610\ub294 \uc608\uc0b0\uc774 \uc81c\ud55c\ub41c \ub9c1\ud06c\uc5d0\uc11c \ud2b9\ud788 \uc911\uc694\ud569\ub2c8\ub2e4.<br>.<\/p><\/li><li><p>\ub450 \uac1c\uc758 \ucee4\ub125\ud130\uc640 \ud558\ub098\uc758 \uc2a4\ud30c\uc774\uc2a4\uac00 \uc788\ub294 10km \ub2e8\uc77c\ubaa8\ub4dc \ub9c1\ud06c\uc758 IL\uc740 \uc57d 2.4dB\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc1a1\uc2e0 \uc804\ub825\uc5d0\uc11c IL\uc744 \ucc28\uac10\ud55c \uac12\uc774 \uc218\uc2e0\uae30 \ubbfc\uac10\ub3c4\ubcf4\ub2e4 \ub0ae\uc73c\uba74 \ub9c1\ud06c\uac00 \uc2e4\ud328\ud569\ub2c8\ub2e4.<br>.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc608\uc2dc:<\/strong><br\/>\ubc18\uc0ac\uc190\uc2e4 \uc774\ud574\ud558\uae30<br>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >1 \uc815\uc758<br><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >\ubc18\uc0ac\uc190\uc2e4\uc740 \uc1a1\uc2e0\uae30 \ucabd\uc73c\ub85c \ubc18\uc0ac\ub418\uc5b4 \ub3cc\uc544\uc624\ub294<br><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uad11 \ucd9c\ub825\uc758 \uc591\uc744 \uce21\uc815\ud569\ub2c8\ub2e4:<br> <strong>\ub192\uc740 RL(\ub354 \ub9ce\uc740 dB) = \ubc18\uc0ac\ub7c9 \uac10\uc18c = \ub354 \uc6b0\uc218\ud568<br><\/strong> RL\uc740 \ub808\uc774\uc800\ub97c \ubc18\uc0ac\uad11\uc73c\ub85c\ubd80\ud130 \ubcf4\ud638\ud558\uc5ec \uad11\uc6d0\uc758 \ubd88\uc548\uc815\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4.<br><\/p>\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\/0c918d26f4554479853206e3465ce778.webp\" alt=\"What is Return Loss\uff1f\" class=\"wp-image-5283\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0c918d26f4554479853206e3465ce778.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0c918d26f4554479853206e3465ce778-300x80.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0c918d26f4554479853206e3465ce778-1024x273.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0c918d26f4554479853206e3465ce778-768x205.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0c918d26f4554479853206e3465ce778-18x5.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>2 \uc65c RL\uc774 \uc911\uc694\ud55c\uac00?<br>.<\/p><\/li><li><p>\ub0ae\uc740 RL(\ub192\uc740 \ubc18\uc0ac\ub7c9)\uc740<br>.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >\ub808\uc774\uc800 \ubaa8\ub4dc \ud638\ud551, \uac15\ub3c4 \ub178\uc774\uc988, BER \uc99d\uac00\ub97c \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<br><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>DWDM, \uc544\ub0a0\ub85c\uadf8 RF-\uc624\ubc84-\ud30c\uc774\ubc84, \ubbfc\uac10\ud55c \uc7a5\uac70\ub9ac \ud2b8\ub79c\uc2a4\uc2dc\ubc84\uc5d0\uc11c \ud2b9\ud788 \uc911\uc694\ud569\ub2c8\ub2e4.<br> <strong>\uc77c\ubc18\uc801\uc778 \ucee4\ub125\ud130 RL \uac12:<br><\/strong>.<\/p><\/li><li><p>PC: \uc57d 40dB<br>.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>UPC: \uc57d 50dB<br><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>APC: \uc57d 60dB \uc774\uc0c1<br><\/p><\/li><li><p>\uc0bd\uc785\uc190\uc2e4 \ub300 \ubc18\uc0ac\uc190\uc2e4: \uc8fc\uc694 \ucc28\uc774\uc810<\/p><\/li><li><p>APC: ~60 dB or higher<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >4. Insertion Loss vs Return Loss: Key Differences<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc18\uc0ac\uc190\uc2e4(Return Loss)\uacfc \uc0bd\uc785\uc190\uc2e4(Insertion Loss)\uc758 \ucc28\uc774\ub97c \uc774\ud574\ud574\uc57c \ud569\ub2c8\ub2e4. \ub450 \uac00\uc9c0 \ubaa8\ub450 \uad11\uc12c\uc720 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\uc9c0\ub9cc, \uce21\uc815\ud558\ub294 \ud56d\ubaa9\uc740 \uc11c\ub85c \ub2e4\ub985\ub2c8\ub2e4. \ubc18\uc0ac\uc190\uc2e4\uc740 \ubc18\uc0ac\ub41c \uc2e0\ud638\uc758 \uc591\uc744 \uce21\uc815\ud558\uba70, \uc0bd\uc785\uc190\uc2e4\uc740 \uad6c\uc131\uc694\uc18c\ub97c \ud1b5\uacfc\ud560 \ub54c \ubc1c\uc0dd\ud558\ub294 \uc815\ubc29\ud5a5 \uc2e0\ud638 \uc190\uc2e4\uc744 \uce21\uc815\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 151px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"151\"><p>\uae30\ub2a5<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc0bd\uc785 \uc190\uc2e4(Insertion Loss, IL)<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\ubc18\uc0ac\uc190\uc2e4(RL)<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"151\"><p>\uc815\uc758<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc815\ubc29\ud5a5 \uc804\ub825 \uc190\uc2e4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc5ed\ubc18\uc0ac \uc804\ub825<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"151\"><p>\ub2e8\uc704<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>dB (\uc791\uc744\uc218\ub85d \uc88b\uc74c)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>dB (\ud074\uc218\ub85d \uc88b\uc74c)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"151\"><p>\uc601\ud5a5<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc218\uc2e0 \uc804\ub825 \ubc0f \uc5ec\uc720\ub7c9 \uac10\uc18c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub808\uc774\uc800 \uc548\uc815\uc131 \ubc0f \ube44\ud2b8 \uc624\ub958\uc728(BER)\uc5d0 \uc601\ud5a5<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"151\"><p>\uce21\uc815 \ubc29\uc2dd<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uad11\uc190\uc2e4 \ud14c\uc2a4\ud2b8 \uc138\ud2b8(OLTS), \ud30c\uc6cc \ubbf8\ud130<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc804\uccb4 \ubc18\uc0ac\uc190\uc2e4(ORL) \ubbf8\ud130, \uad11\uc2dc\ubd84\ud574\uae30(OTDR)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"151\"><p>\ud544\uc218 \uc801\uc6a9 \ub300\uc0c1<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc7a5\uac70\ub9ac \ub9c1\ud06c, \ub2e4\uc911 \ucee4\ub125\ud130 \uacbd\ub85c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub808\uc774\uc800 \ubbfc\uac10\ud615, \uc544\ub0a0\ub85c\uadf8, DWDM \ub9c1\ud06c<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>\ud575\uc2ec \uc778\uc0ac\uc774\ud2b8:<\/strong> \uc0bd\uc785\uc190\uc2e4(IL)\uacfc \ubc18\uc0ac\uc190\uc2e4(RL)\uc740 \ub3c5\ub9bd\uc801\uc778 \uce21\uc815 \uc9c0\ud45c\uc785\ub2c8\ub2e4 \u2014 \ud558\ub098\uc758 \uad6c\uc131\uc694\uc18c\uac00 \ub0ae\uc740 IL\uc744 \uac00\uc9c0\uba74\uc11c\ub3c4 \ub098\uc05c RL\uc744 \uac00\uc9c8 \uc218 \uc788\uc73c\uba70, \uadf8 \ubc18\ub300\uc758 \uacbd\uc6b0\ub3c4 \uac00\ub2a5\ud569\ub2c8\ub2e4. \ub450 \uac12 \ubaa8\ub450 \uc2dc\uc2a4\ud15c \uc694\uad6c\uc0ac\ud56d\uc744 \ucda9\uc871\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p><\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" >\uc0bd\uc785\uc190\uc2e4 \uce21\uc815 \uc808\ucc28:<\/h3>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p>\uc2dc\ud5d8 \ub300\uc0c1 \uc7a5\uce58(DUT) \uc5c6\uc774 \uc804\ub825\uc744 \uae30\uc900 \uc124\uc815\ud569\ub2c8\ub2e4.<\/p><\/li><li><p>DUT\ub97c \uc0bd\uc785\ud569\ub2c8\ub2e4.<\/p><\/li><li><p>\uc804\ub825 \uc190\uc2e4\uc744 \uce21\uc815\ud569\ub2c8\ub2e4.<\/p><\/li><li><p>IL \uacf5\uc2dd\uc744 \uc801\uc6a9\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" >\ubc18\uc0ac\uc190\uc2e4 \uce21\uc815 \uc808\ucc28:<\/h3>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p>DUT\uc5d0 \uad11\uc2e0\ud638\ub97c \uc8fc\uc785\ud569\ub2c8\ub2e4.<\/p><\/li><li><p>\ubc18\uc0ac\ub41c \uc804\ub825\uc744 \uce21\uc815\ud569\ub2c8\ub2e4.<\/p><\/li><li><p>RL \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\uadc0\ud558\ub294 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \ubc18\uc0ac\uc190\uc2e4\uc744 \uc5b4\ub5bb\uac8c \ud14c\uc2a4\ud2b8\ud574\uc57c \ud560\uc9c0 \uad81\uae08\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubc18\uc0ac\uc190\uc2e4 \ud14c\uc2a4\ud2b8 \uc808\ucc28\ub294 \uac01 \uc5f0\uacb0 \uc9c0\uc810\uc5d0\uc11c \ubc18\uc0ac\uc728 \ubc0f \uc190\uc2e4\uc744 \uce21\uc815\ud558\uae30 \uc704\ud574 \ud2b9\uc218\ud55c \uacc4\uce21\uae30\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ubc18\uc0ac\uc190\uc2e4\uacfc \uc0bd\uc785\uc190\uc2e4\uc744 \ud568\uaed8 \ud14c\uc2a4\ud2b8\ud558\uba74 \ub124\ud2b8\uc6cc\ud06c\uc758 \uc804\ubc18\uc801\uc778 \uc0c1\ud0dc\ub97c \uc885\ud569\uc801\uc73c\ub85c \ud30c\uc545\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/476132.htm\">SFP28 BIDI \ud2b8\ub79c\uc2a4\ub9ac\ubc84 <\/a>\ub294 \ud3c9\uade0 \uc0bd\uc785\uc190\uc2e4 \uc57d 1.8 dB \ubc0f \ubc18\uc0ac\uc190\uc2e4 -12 dB \ubbf8\ub9cc\uc744 \uac00\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uac12\ub4e4\uc740 \uc7a5\uac70\ub9ac\uc5d0\uc11c \uc2e0\ud638 \ubb34\uacb0\uc131\uc744 \uc720\uc9c0\ud558\ub294 \uc7a5\uce58\uc758 \ub2a5\ub825\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc11c\ub85c \ub2e4\ub978 ORL \uac12\uc740 \ub124\ud2b8\uc6cc\ud06c\uac00 \ubc18\uc0ac \ubc0f \uc190\uc2e4\uc744 \uc5bc\ub9c8\ub098 \uc798 \ucc98\ub9ac\ud558\ub294\uc9c0\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud56d\uc0c1 \ubc18\uc0ac\uc190\uc2e4\uacfc \uc0bd\uc785\uc190\uc2e4\uc744 \ub3d9\uc2dc\uc5d0 \ubaa8\ub2c8\ud130\ub9c1\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774 \ubc29\uc2dd\uc740 \ub192\uc740 \uc2e0\ud638 \ud488\uc9c8\uacfc \uc2e0\ub8b0\uc131 \uc788\ub294 \ub124\ud2b8\uc6cc\ud06c \uc131\ub2a5 \uc720\uc9c0\ub97c \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\uc2e4\ubb34 \uc0ac\ub840<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >1 \uc0ac\ub840 1: \ub2e8\uac70\ub9ac \ub370\uc774\ud130\uc13c\ud130 \ub9c1\ud06c<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc77c\ubc18\uc801\uc73c\ub85c \uc0bd\uc785\uc190\uc2e4(IL)\uc774 \ub354 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p><\/li><li><p>\uac15\ub825\ud55c \ub514\uc9c0\ud138 \uc218\uc2e0\uae30\uc5d0\uc11c\ub294 \ubc18\uc0ac \ud6a8\uacfc\uac00 \ubbf8\ubbf8\ud569\ub2c8\ub2e4.<\/p><\/li><li><p>\uc608\uc2dc: <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/475829.htm\"><strong>LINK-PP LS-SW3110-02C<\/strong><\/a> \ub97c 2 km \uae38\uc774\uc758 10G \ub9c1\ud06c(\ub2e4\uc911 \ucee4\ub125\ud130 \ud3ec\ud568)\uc5d0 \ubc30\uce58\ud560 \uacbd\uc6b0, \uac01 \ucee4\ub125\ud130\uc758 IL  26 dB\uc774\uba74 \ucda9\ubd84\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >2 \uc2dc\ub098\ub9ac\uc624 2: \uc7a5\uac70\ub9ac \ub610\ub294 DWDM \ub124\ud2b8\uc6cc\ud06c<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ubc18\uc0ac\uc190\uc2e4(RL)\uc774 \uc911\uc694\ud574\uc9d1\ub2c8\ub2e4. \uace0\uc18d \ub808\uc774\uc800(DFB\/FP)\ub294 \ubc18\uc0ac\uc5d0 \ubbfc\uac10\ud569\ub2c8\ub2e4.<\/p><\/li><li><p>\uc608\uc2dc: APC \ucee4\ub125\ud130\uc640 \ud568\uaed8 \uc0ac\uc6a9\ud558\ub294 40km DWDM \ub9c1\ud06c \ubc0f <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/476095.htm\"><strong>LINK-PP SFP28 25G \ubaa8\ub4c8<\/strong><\/a>. \ub0ae\uc740 \ubc18\uc0ac\uc190\uc2e4(RL \u2265 60 dB)\uc740 \ub808\uc774\uc800\uc758 \uc548\uc815\uc801\uc778 \uc791\ub3d9\uacfc \ub0ae\uc740 \ube44\ud2b8 \uc624\ub958\uc728(BER)\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >3 \uc2dc\ub098\ub9ac\uc624 3: \ud63c\ud569 \ud658\uacbd<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc0bd\uc785\uc190\uc2e4(IL)\uacfc \ubc18\uc0ac\uc190\uc2e4(RL) \ubaa8\ub450 \uc911\uc694\ud569\ub2c8\ub2e4: IL\uc740 \ub9c1\ud06c \uc608\uc0b0\uc744 \uc704\ud574, RL\uc740 \ub808\uc774\uc800 \ubcf4\ud638\ub97c \uc704\ud574 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p><\/li><li><p>\uc5d4\uc9c0\ub2c8\uc5b4\ub294 OLTS\ub85c IL\uc744 \uce21\uc815\ud558\uace0 ORL \ubbf8\ud130\ub85c RL\uc744 \uce21\uc815\ud55c \ud6c4, \ubaa8\ub4c8 \ub370\uc774\ud130\uc2dc\ud2b8 \uc0ac\uc591\uacfc \ube44\uad50\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >LINK-PP \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \uac00\uc774\ub4dc<\/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\/e37288a1fe01456d9ee6696871e880fe.jpg\" alt=\"LINK-PP Optical Transceiver\" class=\"wp-image-5284\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e37288a1fe01456d9ee6696871e880fe.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e37288a1fe01456d9ee6696871e880fe-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e37288a1fe01456d9ee6696871e880fe-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e37288a1fe01456d9ee6696871e880fe-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e37288a1fe01456d9ee6696871e880fe-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">LINK-PP \ubaa8\ub4c8\uc740 \uc77c\uad00\ub41c IL \ubc0f RL \uc131\ub2a5\uc744 \uc81c\uacf5\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc608\uc2dc\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/475605.htm\"><strong>10G SFP+ LR<\/strong><\/a>: IL &lt; 0.5 dB, RL \u2265 30 dB<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/476046.htm\"><strong>25G SFP28 LR<\/strong><\/a>: \ub370\uc774\ud130\uc13c\ud130\ub97c \uc704\ud55c \uc800\uc190\uc2e4\u00b7\uc800\ubc18\uc0ac \ubc30\ud3ec\ub97c \uc9c0\uc6d0<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ud301:<\/strong> \ubc30\ud3ec \uc804\uc5d0 \ubc18\ub4dc\uc2dc \ub370\uc774\ud130\uc2dc\ud2b8\uc758 IL \ubc0f RL \uac12\uc744 \uac80\ud1a0\ud558\uc2ed\uc2dc\uc624. \ud2b9\ud788 \ub2e4\uc218\uc758 \ucee4\ub125\ud130\ub098 \uc7a5\uac70\ub9ac \uad6c\uac04\uc774 \ud3ec\ud568\ub420 \uacbd\uc6b0 \ub354\uc6b1 \uadf8\ub807\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ub124\ud2b8\uc6cc\ud06c \ubc30\ud3ec \ucd5c\uc120\uc758 \ubc29\ubc95<\/h2>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/pc-vs-upc-vs-apc-fiber-connector-comparison-guide\/\"><strong>\uc801\uc808\ud55c \ucee4\ub125\ud130 \uc720\ud615\uc744 \uc120\ud0dd\ud558\uc138\uc694.<\/strong><\/a><strong>:<\/strong> \ubc18\uc0ac\uc5d0 \ubbfc\uac10\ud55c \ub9c1\ud06c\uc5d0\ub294 APC, \ud45c\uc900 \ub514\uc9c0\ud138 \uc774\ub354\ub137\uc5d0\ub294 UPC\/PC\ub97c \uc0ac\uc6a9\ud558\uc138\uc694.<\/p><\/li><li><p><strong>\ub9c1\ud06c \uc608\uc0b0\uc744 \uacc4\uc0b0\ud558\uc138\uc694:<\/strong> \ucee4\ub125\ud130, \uc2a4\ud50c\ub77c\uc774\uc2a4, \uad11\uc12c\uc720 \uac10\uc1c4 \ub4f1 \ubaa8\ub4e0 IL\uc744 \ud3ec\ud568\ud558\uc138\uc694.<\/p><\/li><li><p><strong>\ub450 \uac00\uc9c0 \uc9c0\ud45c \ubaa8\ub450 \ud14c\uc2a4\ud2b8\ud558\uc138\uc694:<\/strong> IL \uce21\uc815\uc5d0\ub294 OLTS, RL \uce21\uc815\uc5d0\ub294 ORL \ubbf8\ud130\ub97c \uc0ac\uc6a9\ud558\uc138\uc694.<\/p><\/li><li><p><strong>\ucee4\ub125\ud130\ub97c \uccad\uc18c\ud558\uace0 \uc810\uac80\ud558\uc138\uc694:<\/strong> \uba3c\uc9c0\uc640 \uae01\ud798\uc740 IL\uacfc \ubc18\uc0ac \ubaa8\ub450\ub97c \uc99d\uac00\uc2dc\ud0b5\ub2c8\ub2e4.<\/p><\/li><li><p><strong>\uae30\uc900\uac12\uc744 \ubb38\uc11c\ud654\ud558\uc138\uc694:<\/strong> \ubb38\uc81c \ud574\uacb0 \ubc0f \uc720\uc9c0\ubcf4\uc218\uc5d0 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" >\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38(FAQ)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q1:<\/strong> \ubaa8\ub4c8\uc774 \uc0bd\uc785 \uc190\uc2e4(IL)\uc740 \ub0ae\uc9c0\ub9cc \ubc18\uc0ac \uc190\uc2e4(RL)\uc740 \ub098\uc060 \uc218 \uc788\uc2b5\ub2c8\uae4c?<br\/><strong>A:<\/strong> \uc608. \uad6c\uc131 \uc694\uc18c\uac00 \ube5b\uc744 \ud6a8\uc728\uc801\uc73c\ub85c \uc804\uc1a1\ud560 \uc218\ub294 \uc788\uc9c0\ub9cc(\ub0ae\uc740 IL), \uacfc\ub3c4\ud558\uac8c \ubc18\uc0ac\uc2dc\ud0ac \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4(\ub098\uc05c RL). \uc774\ub294 \ub808\uc774\uc800 \uc548\uc815\uc131\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q2:<\/strong> \uc5b4\ub290 \uce21\uc815 \ud56d\ubaa9\uc774 \ub354 \uc911\uc694\ud55c\uac00\uc694?<br\/><strong>A:<\/strong> \uc751\uc6a9 \ubd84\uc57c\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \ub2e8\uac70\ub9ac \ub514\uc9c0\ud138 \ub9c1\ud06c\uc5d0\uc11c\ub294 \uc0bd\uc785 \uc190\uc2e4(IL)\uc744 \uc6b0\uc120\uc2dc\ud558\uc9c0\ub9cc, \ub808\uc774\uc800\uc5d0 \ubbfc\uac10\ud558\uac70\ub098 \uc7a5\uac70\ub9ac \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c\ub294 \ubc18\uc0ac \uc190\uc2e4(RL)\uc744 \uc6b0\uc120\uc2dc\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q3:<\/strong> \uc0bd\uc785 \uc190\uc2e4(IL)\uacfc \ubc18\uc0ac \uc190\uc2e4(RL)\uc744 \uc5bc\ub9c8\ub098 \uc790\uc8fc \ud14c\uc2a4\ud2b8\ud574\uc57c \ud569\ub2c8\uae4c?<br\/><strong>A:<\/strong> \uc124\uce58 \uc2dc\uc640 \uc8fc\uc694 \uc815\ube44 \ud6c4\uc5d0 \ud14c\uc2a4\ud2b8\ud574\uc57c \ud569\ub2c8\ub2e4. \uace0\uc911\uc694\ub3c4 \ub9c1\ud06c\uc758 \uacbd\uc6b0 \uc8fc\uae30\uc801\uc778 \uc7ac\ud14c\uc2a4\ud2b8\uac00 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\uacb0\ub860<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0bd\uc785 \uc190\uc2e4(IL)\uacfc \ubc18\uc0ac \uc190\uc2e4(RL)\uc744 \ubaa8\ub450 \uc774\ud574\ud558\ub294 \uac83\uc740 \uace0\uc131\ub2a5 \uad11\ud559 \ub124\ud2b8\uc6cc\ud06c\ub97c \uc124\uacc4\ud558\uace0 \uad6c\ucd95\ud558\uba70 \uc720\uc9c0 \uad00\ub9ac\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. IL\uc740 \uc218\uc2e0 \uc804\ub825 \ubc0f \ub9c1\ud06c \uc5ec\uc720\ub7c9\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\uba70, RL\uc740 \ub808\uc774\uc800 \uc548\uc815\uc131\uc744 \ubcf4\ud638\ud558\uace0 \ube44\ud2b8 \uc624\ub958\uc728(BER)\uc744 \uac10\uc18c\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5d4\uc9c0\ub2c8\uc5b4\uac00 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>\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.<\/strong><\/a>, \uc0bd\uc785 \uc190\uc2e4(IL)\uacfc \ubc18\uc0ac \uc190\uc2e4(RL)\uc744 \ubaa8\ub450 \uc810\uac80\ud568\uc73c\ub85c\uc368 \uc2e0\ub8b0\uc131 \uc788\uace0 \uace0\uc18d\uc778 \ub9c1\ud06c\ub97c \ub2ec\uc131\ud560 \uc218 \uc788\uc73c\uba70, \uc608\uce21 \uac00\ub2a5\ud55c \uc131\ub2a5\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc801\uc808\ud55c \uc124\uacc4, \uce21\uc815, \uc720\uc9c0 \uad00\ub9ac\ub97c \uacb0\ud569\ud568\uc73c\ub85c\uc368 \uc6b4\uc601\uc790\ub294 \ucd5c\uc801\uc758 \ub124\ud2b8\uc6cc\ud06c \ud6a8\uc728\uc131\uacfc \uc218\uba85\uc744 \ub2ec\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>\uad11\ud559 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\uc5d0\uc11c \uc0bd\uc785 \uc190\uc2e4\uacfc \ubc18\uc0ac \uc190\uc2e4\uc758 \ucc28\uc774\ub97c \uc774\ud574\ud558\uace0, \uc131\ub2a5\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5, \uce21\uc815 \ubc29\ubc95, LINK-PP \uc81c\ud488 \uac00\uc774\ub4dc\ub97c \ud559\uc2b5\ud558\uc138\uc694.<\/p>","protected":false},"author":1,"featured_media":5285,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[26],"class_list":["post-5286","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\/5286","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=5286"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/5286\/revisions"}],"predecessor-version":[{"id":11204,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/5286\/revisions\/11204"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media\/5285"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media?parent=5286"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/categories?post=5286"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/tags?post=5286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}