{"id":22078,"date":"2026-09-02T23:48:27","date_gmt":"2026-09-02T15:48:27","guid":{"rendered":"https:\/\/www.luleey.com\/?p=22078"},"modified":"2026-09-02T23:48:30","modified_gmt":"2026-09-02T15:48:30","slug":"otdr-gainer-why-does-a-splice-show-negative-loss","status":"publish","type":"post","link":"https:\/\/www.luleey.com\/ko\/otdr-gainer-why-does-a-splice-show-negative-loss\/","title":{"rendered":"OTDR \uac8c\uc774\ub108: \uc65c \uc811\ud569\ubd80\uc5d0\uc11c \uc74c\uc758 \uc190\uc2e4\uc774 \ub098\ud0c0\ub098\ub294\uac00?"},"content":{"rendered":"<h1 class=\"wp-block-wd-title title wd-83fa3fec\"><a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ko\/tag\/otdr\/\" title=\"OTDR\uc758 \ubaa8\ub4e0 \uac8c\uc2dc\ubb3c \ubcf4\uae30\">OTDR<\/a> Gainer: \uc2a4\ud50c\ub77c\uc774\uc2a4\uc5d0\uc11c \uc65c \uc74c\uc758 \uc190\uc2e4\uc774 \ub098\ud0c0\ub098\ub294\uac00?<\/h1>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-dad2cdaa\">An <strong><a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ko\/tag\/otdr-gainer\/\" title=\"OTDR Gainer\uc758 \ubaa8\ub4e0 \uac8c\uc2dc\ubb3c \ubcf4\uae30\">OTDR \uac8c\uc774\ub108<\/a><\/strong> OTDR \ud2b8\ub808\uc774\uc2a4\uc5d0\uc11c \uad11 \ucd9c\ub825\uc744 \uc99d\uac00\uc2dc\ud0a4\ub294 \uac83\uc73c\ub85c \ubcf4\uc774\ub294 \ud604\uc0c1\uc785\ub2c8\ub2e4. \uc774\ubca4\ud2b8 \ud14c\uc774\ube14\uc5d0\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc74c\uc758 \uc190\uc2e4\uc774 \ubcf4\uace0\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <code>-0.20 dB<\/code>, \ube44\ub85d \uc218\ub3d9 \uc2a4\ud50c\ub77c\uc774\uc2a4\ub294 \ube5b\uc744 \uc99d\ud3ed\uc2dc\ud0ac \uc218 \uc5c6\uc9c0\ub9cc.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-71ccd162\">\uc774\ub294 \ub300\uac1c \ub450 \uac1c\uc758 \uc811\ud569\ub41c \uad11\uc12c\uc720\uac00 OTDR\ub85c \ubc18\uc0ac\ub418\ub294 \ub808\uc774\ub9ac \ud6c4\ubc29\uc0b0\ub780\uc758 \uc591\uc774 \uc11c\ub85c \ub2e4\ub974\uae30 \ub54c\ubb38\uc5d0 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc774 \uc7a5\ube44\ub294 \ubc18\uc0ac\ub41c \ud6c4\ubc29\uc0b0\ub780\uc758 \ubcc0\ud654\ub97c \uc774\ubca4\ud2b8 \uc190\uc2e4\uc758 \uc77c\ubd80\ub85c \ud574\uc11d\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d0266c39\">\ub3d9\uc77c\ud55c \uc811\ud569\ubd80\ub97c \uc591\ucabd \ub05d\uc5d0\uc11c \ubaa8\ub450 \uce21\uc815\ud558\uace0, \ub450 \uce21\uc815\uac12\uc758 \ubd80\ud638\ub97c \uace0\ub824\ud55c \ud3c9\uade0\uac12\uc744 \uad6c\ud558\uc2ed\uc2dc\uc624. \ud55c \ubc29\ud5a5\uc5d0\uc11c \uc190\uc2e4\uc774 \uc801\uc740 \uacbd\uc6b0(\uac8c\uc774\ub108)\ub294 \ub300\uac1c \ubc18\ub300 \ubc29\ud5a5\uc5d0\uc11c\ub294 \uc190\uc2e4\uc774 \ub354 \ud070 \uacbd\uc6b0(\ub8e8\uc800)\uac00 \ub429\ub2c8\ub2e4. \uc591\ubc29\ud5a5 \ud3c9\uade0\uac12\uc740 \uc5ed\uc0b0\ub780 \ubd88\uc77c\uce58\uc758 \ub300\ubd80\ubd84\uc744 \uc0c1\uc1c4\ud558\uc5ec \uc811\ud569 \uc190\uc2e4\uc744 \ud6e8\uc52c \ub354 \uc815\ud655\ud558\uac8c \ucd94\uc815\ud560 \uc218 \uc788\uac8c \ud574\uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-56728528\">\ud55c \ubc29\ud5a5\uc5d0\uc11c \uc774\ub4dd\uc774 \ub098\ud0c0\ub09c\ub2e4\uace0 \ud574\uc11c \uc790\ub3d9\uc73c\ub85c \uc811\uc18d\ubd80\ub97c \ud1b5\uacfc\uc2dc\ud0a4\uc9c0 \ub9d0\uace0, \ub2e4\ub978 \ubc29\ud5a5\uc5d0\uc11c \uc190\uc2e4\uc774 \ud06c\ub2e4\uace0 \ud574\uc11c \uc790\ub3d9\uc73c\ub85c \ub2e4\uc2dc \uc811\uc18d\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<div class=\"wp-block-wd-image wd-block-image wd-4386c7f3\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" class=\"wp-image-22080\" src=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/otdr-gainer-hero.png\" alt=\"\" title=\"\" srcset=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/otdr-gainer-hero.png 1000w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/otdr-gainer-hero-800x800.png 800w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/otdr-gainer-hero-400x400.png 400w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/otdr-gainer-hero-768x768.png 768w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/otdr-gainer-hero-12x12.png 12w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/otdr-gainer-hero-150x150.png 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/div>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-fce9d5d3\">OTDR \uac8c\uc774\ub108: \ube60\ub978 \ud574\uc11d<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\ubc29\ud5a5 A\u2192B<\/th><th>\ubc29\ud5a5 B\u2192A<\/th><th>\uac00\uc7a5 \uc720\ub825\ud55c \ud574\uc11d<\/th><th>\ub2e4\uc74c \ub2e8\uacc4<\/th><\/tr><\/thead><tbody><tr><td>\ubd80\uc815 \uc190\uc2e4<\/td><td>\ub354 \ud070 \uc591\uc758 \uc190\uc2e4<\/td><td>\ud6c4\ubc29\uc0b0\ub780 \ucc28\uc774\ub85c \uc778\ud574 \ubc1c\uc0dd\ud558\ub294 \uc804\ud615\uc801\uc778 \uc774\ub4dd\/\uc190\uc2e4 \uc30d<\/td><td>\ubd80\ud638\uac00 \uc788\ub294 \uacb0\uacfc\ub4e4\uc758 \ud3c9\uade0\uc744 \uad6c\ud55c\ub2e4<\/td><\/tr><tr><td>\ub0ae\uc740 \uc591\uc758 \uc190\uc2e4<\/td><td>\ube44\uc2b7\ud55c \uc218\uc900\uc758 \ub0ae\uc740 \uc591\uc758 \uc190\uc2e4<\/td><td>\uc12c\uc720\ub4e4\uc758 \ud6c4\ubc29 \uc0b0\ub780 \ud2b9\uc131\uc774 \uc720\uc0ac\ud558\uba70, \uadf8 \uacb0\uacfc\ub3c4 \uc77c\uad00\uc801\uc774\ub2e4<\/td><td>\ud504\ub85c\uc81d\ud2b8 \ud55c\ub3c4\uc640 \ube44\uad50<\/td><\/tr><tr><td>\ub192\uc740 \uc591\uc758 \uc190\uc2e4<\/td><td>\ub192\uc740 \uc591\uc758 \uc190\uc2e4<\/td><td>\uc2e4\uc81c \uc2a4\ud50c\ub77c\uc774\uc2a4 \uc190\uc2e4, \uad74\uace1 \ub610\ub294 \ubd80\uc2e4\ud55c \uc774\ubca4\ud2b8 \ubd84\uc11d\uc758 \uac00\ub2a5\uc131\uc774 \ub354 \ub192\uc2b5\ub2c8\ub2e4.<\/td><td>\ubc30\uc120 \uacbd\ub85c\ub97c \uc810\uac80\ud558\uace0 \uc811\ud569\ubd80\ub97c \uc5f0\uacb0\ud558\uc2ed\uc2dc\uc624<\/td><\/tr><tr><td>\ub450 \uac80\uc0ac \ubaa8\ub450 \uc74c\uc131 \ub610\ub294 \uacb0\uacfc\uac00 \ubd88\ud655\uc2e4\ud568<\/td><td>\uc77c\uad00\ub41c \uc30d\uc744 \uc774\ub8e8\ub294 \uc774\ubca4\ud2b8 \uc5c6\uc74c<\/td><td>\uc774\ubca4\ud2b8 \uc5f0\uacb0 \uc624\ub958, \ub370\ub4dc \uc874, \ub178\uc774\uc988 \ub610\ub294 \uc124\uc815 \ubb38\uc81c<\/td><td>\uc124\uc815\uc744 \uc62c\ubc14\ub974\uac8c \uc870\uc815\ud55c \ud6c4 \ub2e4\uc2dc \ud14c\uc2a4\ud2b8\ud558\uc2ed\uc2dc\uc624.<\/td><\/tr><tr><td>\uc591\ubc29\ud5a5 \ubaa8\ub450 \ubc18\uc0ac\ud615 \ucc59<\/td><td>\ucee4\ub125\ud130\ub098 \uae30\uacc4\uc801 \uc778\ud130\ud398\uc774\uc2a4\uac00 \uad00\ub828\ub418\uc5b4 \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/td><td>\ub2e8\uc21c\ud55c \ud4e8\uc804-\uc2a4\ud50c\ub77c\uc774\uc2a4 \uae30\ubc95\ub9cc\uc73c\ub85c \uc774\ub4dd\uc744 \uc5bb\ub294 \uac83\uc740 \uc544\ub2c8\ub2e4<\/td><td>\uc2e4\uc81c \uc0ac\uac74\uc744 \uc870\uc0ac\ud558\uc2ed\uc2dc\uc624<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-f2efedc0\">\uc74c\uc218\uc758 \ub2e8\ubc29\ud5a5 \uc218\uce58\uac00 \uc2a4\ud50c\ub77c\uc774\uc2a4\uac00 \uc591\ud638\ud558\ub2e4\ub294 \uc99d\uac70\ub294 \uc544\ub2d9\ub2c8\ub2e4. \uc591\ubc29\ud5a5 \uc218\uce58\uc640 \uc804\uccb4 \ud2b8\ub808\uc774\uc2a4\ub294 \uc2e4\uc81c \uacbd\ub85c\uc640 \uc77c\uce58\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-f7c4b59c\">\uc65c \ud328\uc2dc\ube0c \uc2a4\ud50c\ub77c\uc774\uc2a4\uac00 \uac8c\uc778\uc774 \uc788\ub294 \uac83\ucc98\ub7fc \ubcf4\uc77c \uc218 \uc788\ub294\uac00<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-10e5b420\">OTDR\uc740 \ubaa8\ub4e0 \uc811\ud569\ubd80 \ub4a4\uc5d0 \ud30c\uc6cc \ubbf8\ud130\ub97c \ubc30\uce58\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub300\uc2e0 \ud384\uc2a4\ub97c \ubc1c\uc0ac\ud55c \ub2e4\uc74c, \ub808\uc774\ub9ac \ud6c4\ubc29\uc0b0\ub780\uacfc \ubc18\uc0ac\ub97c \ud1b5\ud574 \ub418\ub3cc\uc544\uc624\ub294 \ubbf8\ub7c9\uc758 \ube5b\uc744 \uce21\uc815\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-0add009d\">\ud6c4\ubc29\uc0b0\ub780 \uc218\uc900\uc740 \uad11\uc12c\uc720\uc758 \ud2b9\uc131\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \ub450 \uac1c\uc758 \ub2e8\uc77c\ubaa8\ub4dc \uad11\uc12c\uc720\ub294 \ub3d9\uc77c\ud55c \uc77c\ubc18 \uc801\uc6a9 \ubc94\uc8fc\uc5d0 \uc18d\ud560 \uc218 \uc788\uc9c0\ub9cc, \ub2e4\uc74c\uacfc \uac19\uc740 \ucc28\uc774\uac00 \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ubaa8\ub4dc \ud544\ub4dc \uc9c1\uacbd<\/li>\n\n\n\n<li>\ud6c4\ubc29\uc0b0\ub780 \uacc4\uc218<\/li>\n\n\n\n<li>\uac10\uc1e0 \ud2b9\uc131<\/li>\n\n\n\n<li>\uad74\uc808\ub960 \ud504\ub85c\ud30c\uc77c<\/li>\n\n\n\n<li>\uc81c\uc870 \uc124\uacc4 \ub610\ub294 \uacf5\ucc28<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-0a4d283f\">OTDR \ud384\uc2a4\uac00 \ud6c4\ubc29\uc0b0\ub780 \uacc4\uc218\uac00 \ub0ae\uc740 \uad11\uc12c\uc720\uc5d0\uc11c \ud6c4\ubc29\uc0b0\ub780 \uacc4\uc218\uac00 \ub192\uc740 \uad11\uc12c\uc720\ub85c \ub118\uc5b4\uac00\uba74, \uc811\ud569\ubd80 \uc774\ud6c4 \uad6c\uac04\uc5d0\uc11c \ub354 \ub9ce\uc740 \ube5b\uc774 \ubc18\uc0ac\ub418\uc5b4 \ub3cc\uc544\uc635\ub2c8\ub2e4. \uc774\uc5d0 \ub530\ub77c \ud2b8\ub808\uc774\uc2a4\uac00 \uae09\uaca9\ud788 \uc0c1\uc2b9\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubcc0\ud654\uac00 \uc2e4\uc81c \uc811\ud569 \uc190\uc2e4\ubcf4\ub2e4 \ud074 \uacbd\uc6b0, \uc774\ubca4\ud2b8 \ud14c\uc774\ube14\uc5d0\ub294 \uc74c\uc758 \uc190\uc2e4\uc774 \ubcf4\uace0\ub418\uba70, \uc774\ub97c OTDR \uac8c\uc774\ub108\ub77c\uace0 \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-601a547a\">\ub9c1\ud06c\ub97c \ubc18\ub300\ucabd \ub05d\uc5d0\uc11c \ud14c\uc2a4\ud2b8\ud560 \ub54c, \ud384\uc2a4\ub294 \ub3d9\uc77c\ud55c \uad11\uc12c\uc720\ub97c \uc5ed\uc21c\uc73c\ub85c \ud1b5\uacfc\ud569\ub2c8\ub2e4. \ud6c4\ubc29 \uc0b0\ub780 \ub808\ubca8\uc774 \ub2e8\uacc4\uc801\uc73c\ub85c \uac10\uc18c\ud558\uae30 \ub54c\ubb38\uc5d0, OTDR\uc740 \uc2a4\ud50c\ub77c\uc774\uc2a4\uc758 \uc2e4\uc81c \uc190\uc2e4\ubcf4\ub2e4 \ub354 \ud070 \uc190\uc2e4\uc744 \ud45c\uc2dc\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c8b56ab0\">\uadf8\ub9ac\uace0 <a href=\"https:\/\/www.foa.org\/tech\/ref\/testing\/OTDR\/OTDR.html\" target=\"_blank\" rel=\"noopener\">\uad11\uc12c\uc720 \ud611\ud68c\uc758 OTDR \uac00\uc774\ub4dc<\/a> \uc774\ub7ec\ud55c \ubc29\ud5a5\uc131 \uc624\ub958\ub97c \uc124\uba85\ud558\uace0, \uc591\ubc29\ud5a5\uc73c\ub85c \ud14c\uc2a4\ud2b8\ub97c \uc218\ud589\ud55c \ud6c4 \uc774\ubca4\ud2b8 \uacb0\uacfc\ub97c \ud3c9\uade0\ud654\ud560 \uac83\uc744 \uad8c\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-cec29ce2\">\ubaa8\ub4dc \ud544\ub4dc \uc9c1\uacbd\uc774 \uc774\uc640 \uc5b4\ub5a4 \uad00\ub828\uc774 \uc788\ub294\uac00<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d7f8ec7a\">\ubaa8\ub4dc \ud544\ub4dc \uc9c1\uacbd(MFD)\uc740 \ub2e8\uc77c \ubaa8\ub4dc \uad11\uc12c\uc720 \ub0b4\uc5d0\uc11c \uc804\ud30c\ub418\ub294 \uad11 \ud544\ub4dc\uc758 \uc720\ud6a8 \ud3ed\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774\ub294 \ub2e8\uc21c\ud788 \ubb3c\ub9ac\uc801 \ucf54\uc5b4 \uc9c1\uacbd\ub9cc\uc744 \uc758\ubbf8\ud558\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-31ce31f9\">\uad11\uc12c\uc720 \uc124\uacc4 \ubc0f MFD\uc758 \ucc28\uc774\ub294 OTDR\uc774 \uac10\uc9c0\ud558\ub294 \ud6c4\ubc29\uc0b0\ub780\uc758 \uc591\uc744 \ubcc0\ud654\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \ud2b9\uc131\uc774 \ub2e4\ub978 \uad11\uc12c\uc720 \uac04\uc758 \uc811\ud569\ubd80\ub294 \ubc18\ub300 \ubc29\ud5a5\uc5d0\uc11c \uc11c\ub85c \ub2e4\ub978 \uc774\ubca4\ud2b8 \uc190\uc2e4\uc744 \ub098\ud0c0\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-fbd4c03a\">ITU-T G.650.1\uc5d0\ub294 \uc591\ubc29\ud5a5 \ud6c4\ubc29\uc0b0\ub780 \ucc28\uc774 \uce21\uc815\ubc95\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc73c\uba70, \uc774 \ubc29\ubc95\uc5d0\uc11c\ub294 \uc811\ud569\ubd80 \uc591\ucabd \ubc29\ud5a5\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \ubcc0\ud654\ub97c \uce21\uc815\ud558\uace0 \uc774\ub97c \ubaa8\ub4dc \ud544\ub4dc \uc9c1\uacbd\uacfc \uc5f0\uad00 \uc9d3\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ud575\uc2ec \uc8fc\uc7a5\uc744 \ub4b7\ubc1b\uce68\ud569\ub2c8\ub2e4. \uc989, \uc218\ub3d9\ud615 \uc2a4\ud50c\ub77c\uc774\uc2a4\ub294 \uc2e4\uc81c \uc774\ub4dd\uc744 \uc81c\uacf5\ud558\uc9c0 \uc54a\ub354\ub77c\ub3c4, OTDR \uce21\uc815 \uc2dc \uc2a4\ud50c\ub77c\uc774\uc2a4\ub97c \uac00\ub85c\uc9c0\ub974\ub294 \ud6c4\ubc29\uc0b0\ub780\uc740 \ubc29\ud5a5\uc131\uc744 \ub764\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-674f18aa\">\uc11c\ub85c \ub2e4\ub978 \uad11\uc12c\uc720 \uc124\uacc4, \uc0dd\uc0b0 \ubc30\uce58 \ub610\ub294 \uc81c\uc870\uc5c5\uccb4\uc758 \uc81c\ud488\uc744 \uc811\ud569\ud560 \ub54c \uac8c\uc774\ub108 \ud604\uc0c1\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud45c\uc900 \ub2e8\uc77c\ubaa8\ub4dc \uad11\uc12c\uc720\uc640 \uad7d\ud798\uc5d0 \ubbfc\uac10\ud558\uc9c0 \uc54a\uc740 \ub2e8\uc77c\ubaa8\ub4dc \uad11\uc12c\uc720\ub97c \uc811\ud569\ud558\ub294 \uacbd\uc6b0\uac00 \uadf8 \uc608\uc2dc \uc911 \ud558\ub098\uc774\uc9c0\ub9cc, \ub77c\ubca8\ub9cc\uc73c\ub85c\ub294 \uacb0\uacfc\ub97c \uc608\uce21\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \ubaa8\ub4e0 G.652-G.657 \uc811\ud569\uc774 \ub3d9\uc77c\ud55c \ubc29\uc2dd\uc73c\ub85c \uc791\ub3d9\ud560 \uac83\uc774\ub77c\uace0 \uac00\uc815\ud558\uae30\ubcf4\ub2e4\ub294 \uc815\ud655\ud55c \uad11\uc12c\uc720 \uc0ac\uc591\uc744 \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-17056745\">\ub2e4\ubaa8\ub4dc \uad11\uc12c\uc720\uc758 \uacbd\uc6b0, \ucf54\uc5b4 \ud06c\uae30\uc640 \uad11 \uc2e0\ud638 \uc8fc\uc785 \uc870\uac74\uc774 \ubd88\ud655\uc2e4\uc131\uc744 \ub354\uc6b1 \uac00\uc911\uc2dc\ud0b5\ub2c8\ub2e4. \ub2e8\uc21c\ud788 \ucee4\ub125\ud130\uac00 \ud638\ud658\ub41c\ub2e4\ub294 \uc774\uc720\ub9cc\uc73c\ub85c 50\/125\u00b5m \uad11\uc12c\uc720\uc640 62.5\/125\u00b5m \uad11\uc12c\uc720\ub97c \uc758\ub3c4\uc801\uc73c\ub85c \ud63c\uc6a9\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-09cdb83a\">\uc591\ubc29\ud5a5 \uc811\uc18d \uc190\uc2e4\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-e6fffeab\">OTDR\uc758 \uc190\uc2e4 \ud544\ub4dc\uc5d0 \ud45c\uc2dc\ub41c \ub300\ub85c \ud45c\uc2dd\uc744 \uc815\ud655\ud788 \uc720\uc9c0\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-199411dc\">\uac19\uc740 \uc2a4\ud50c\ub77c\uc774\uc2a4\uac00 \ub2e4\uc74c\uacfc \uac19\uc740 \uacb0\uacfc\ub97c \uc0b0\ucd9c\ud55c\ub2e4\uace0 \uac00\uc815\ud574 \ubd05\uc2dc\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A\u2192B \uacb0\uacfc: <code>-0.20 dB<\/code><\/li>\n\n\n\n<li>B\u2192A \uacb0\uacfc: <code>+0.34 dB<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8f3fbbc5\">\uacc4\uc0b0\ud558\uae30:<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-82ad0ec3\"><code>\uc591\ubc29\ud5a5 \uc2a4\ud50c\ub77c\uc774\uc2a4 \uc190\uc2e4 = (-0.20 dB + 0.34 dB) \u00f7 2<\/code><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-10a3a7fd\"><code>\uc591\ubc29\ud5a5 \uc2a4\ud50c\ub77c\uc774\uc2a4 \uc190\uc2e4 = 0.07 dB<\/code><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-e41520a7\">\uc218\uc815\ub41c \uacb0\uacfc\ub294 \ub300\ub7b5 <strong>0.07 dB<\/strong>, \uc544\ub2c8\ub77c <code>-0.20 dB<\/code> \uadf8\ub9ac\uace0 ~\uc774 \uc544\ub2c8\ub77c <code>0.34 dB<\/code>.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-847e14ae\">\uc774 \uc218\uce58\ub294 \uc608\uc2dc\uc801\uc778 \uac12\uc77c \ubfd0, \ubcf4\ud3b8\uc801\uc778 \ud569\uaca9\/\ubd88\ud569\uaca9 \uae30\uc900\uc774 \uc544\ub2d9\ub2c8\ub2e4. \ud3c9\uade0 \uacb0\uacfc\ub97c \ud504\ub85c\uc81d\ud2b8 \uc0ac\uc591, \uad11\uc12c\uc720 \uc720\ud615, \uc811\ud569 \ubc29\ubc95 \ubc0f \uce21\uc815 \ubd88\ud655\uc2e4\uc131\uacfc \ube44\uad50\ud558\uc5ec \uac80\ud1a0\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-2db65db7\">\ub9cc\uc57d \ud3c9\uade0\uac12\uc774 \uc5ec\uc804\ud788 \uc74c\uc218\ub77c\uba74 \uc5b4\ub5bb\uac8c \ub420\uae4c\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c007ff67\">\ub178\uc774\uc988, \ub9c8\ucee4 \ubc30\uce58, \uc790\ub3d9 \uc774\ubca4\ud2b8 \ubd84\uc11d, \uc9e7\uc740 \ubca0\uc774\uc2a4\ub77c\uc778 \ub610\ub294 \uce21\uc815 \ubd88\ud655\uc2e4\uc131\uc73c\ub85c \uc778\ud574 \ud3c9\uade0\uac12\uc774 \uc57d\uac04 \uc74c\uc218\uac00 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \uc544\ubb34\ub7f0 \uc54c\ub9bc \uc5c6\uc774 0\uc73c\ub85c \ubcc0\uacbd\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-0aeb5792\">\ub9ac\ubdf0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ub3d9\uc77c\ud55c \ubb3c\ub9ac\uc801 \uc0ac\uac74\uc774 \uc30d\uc744 \uc774\ub8e8\uc5c8\ub294\uc9c0 \uc5ec\ubd80\ub294<\/li>\n\n\n\n<li>\ub450 \ud14c\uc2a4\ud2b8 \ubaa8\ub450 \ub3d9\uc77c\ud55c \uc124\uc815\uc744 \uc0ac\uc6a9\ud588\ub294\uc9c0 \uc5ec\ubd80<\/li>\n\n\n\n<li>\uc0ac\uac74\uc758 \uc591\ucabd \ubaa8\ub450\uc5d0\uc11c \uc548\uc815\uc801\uc778 \ud6c4\ubc29 \uc0b0\ub780\uc774 \ubc1c\uc0dd\ud558\ub294\uc9c0 \uc5ec\ubd80<\/li>\n\n\n\n<li>\uadfc\ucc98\uc758 \ubc18\uc0ac\ub098 \uc0ac\uac01\uc9c0\ub300\uac00 \uacc4\uc0b0\uc5d0 \uc601\ud5a5\uc744 \ubbf8\ucce4\ub294\uc9c0 \uc5ec\ubd80<\/li>\n\n\n\n<li>\uc1a1\uc2e0 \ubc0f \uc218\uc2e0 \ucf00\uc774\ube14\uc774 \uc81c\ub300\ub85c \ud3ec\ud568\ub418\uc5b4 \uc788\ub294\uc9c0 \uc5ec\ubd80<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d961f69e\">\uc218\ub77d \uc5ec\ubd80\ub97c \uacb0\uc815\ud558\uae30 \uc804\uc5d0 \uc7ac\uac80\uc0ac\ub97c \uc2e4\uc2dc\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<div class=\"wp-block-wd-image wd-block-image wd-27866ef2\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" class=\"wp-image-22079\" src=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/bidirectional-otdr-workflow.png\" alt=\"\" title=\"\" srcset=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/bidirectional-otdr-workflow.png 1000w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/bidirectional-otdr-workflow-800x800.png 800w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/bidirectional-otdr-workflow-400x400.png 400w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/bidirectional-otdr-workflow-768x768.png 768w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/bidirectional-otdr-workflow-12x12.png 12w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/bidirectional-otdr-workflow-150x150.png 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/div>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-9df03073\">\uc720\ud6a8\ud55c []\ub97c \uc218\ud589\ud558\ub294 \ubc29\ubc95 <a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ko\/tag\/bidirectional-otdr\/\" title=\"\uc591\ubc29\ud5a5 OTDR\uc758 \ubaa8\ub4e0 \uac8c\uc2dc\ubb3c \ubcf4\uae30\">\uc591\ubc29\ud5a5 OTDR<\/a> \ud14c\uc2a4\ud2b8<\/h2>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-e1330f7c\">1\ub2e8\uacc4: \ubb3c\ub9ac\uc801 \uc5f0\uacb0\uc744 \uae30\ub85d\ud569\ub2c8\ub2e4.<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d3b8b98d\">\uacbd\ub85c, \ucd1d \uae38\uc774, \uc811\uc18d \uacc4\ud68d, \ucee4\ub125\ud130 \uc704\uce58 \ubc0f \uc608\uc0c1 \uad11\uc12c\uc720 \uc720\ud615\uc744 \uae30\ub85d\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-3395f186\">A \ub2e8\ub9d0\uc5d0\uc11c 4km \ub5a8\uc5b4\uc9c4 \uc9c0\uc810\uc5d0 \uc704\uce58\ud55c \uc811\uc18d\ubd80\ub294, B \ub2e8\ub9d0\uc5d0\uc11c \uce21\uc815\ud588\uc744 \ub54c \ub300\ub7b5 \uc804\uccb4 \ub9c1\ud06c \uae38\uc774\uc5d0\uc11c 4km\ub97c \ube80 \uc704\uce58\uc5d0 \ub098\ud0c0\ub098\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-0b23c937\">2\ub2e8\uacc4: \uc801\uc808\ud55c \uc1a1\uc2e0 \ubc0f \uc218\uc2e0 \ucf00\uc774\ube14\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-eb48c8a5\">OTDR\uc758 \ud65c\uc131 \ub2e8\ub9d0 \uce21\uc5d0\ub294 \uc1a1\uc2e0 \ucf00\uc774\ube14\uc744, \ubc18\ub300\ucabd \ub05d\uc5d0\ub294 \uc218\uc2e0 \ucf00\uc774\ube14\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. \ud14c\uc2a4\ud2b8 \ubc29\ud5a5\uc744 \ubc18\ub300\ub85c \ud560 \uacbd\uc6b0, \uc774\uc804\uc5d0 \uc218\uc2e0 \uce21\uc774\uc5c8\ub358 \ucabd\uc774 \uc1a1\uc2e0 \uce21\uc774 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-b7ccabeb\">\ucf00\uc774\ube14\uc740 \ud574\ub2f9 \uad11\uc12c\uc720 \ubc0f \ucee4\ub125\ud130 \uc778\ud130\ud398\uc774\uc2a4\uc640 \ud638\ud658\ub418\uc5b4\uc57c \ud558\uba70, \uc120\ud0dd\ud55c \ud384\uc2a4 \ubc0f \ubc94\uc704\uc5d0 \uc801\ud569\ud55c \uae38\uc774\ub97c \uac00\uc838\uc57c \ud569\ub2c8\ub2e4. LuLeey\uc758 \uac00\uc774\ub4dc\uc5d0 \ub530\ub974\uba74 <a href=\"https:\/\/www.luleey.com\/ko\/otdr-dead-zone-why-short-fiber-events-disappear\/\">OTDR \uc0ac\uac01\uc9c0\ub300 \ubc0f \ubc1c\uc0ac \ucf00\uc774\ube14<\/a> \ucc38\uc870 \uad11\uc12c\uc720\uac00 \uccab \ubc88\uc9f8 \ubc0f \ub9c8\uc9c0\ub9c9 \uc5f0\uacb0\uc744 \uc5b4\ub5bb\uac8c \ub4dc\ub7ec\ub0b4\ub294\uc9c0 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-ccf10320\">3\ub2e8\uacc4: \uc2dc\ud5d8 \uc870\uac74\uc744 \uc77c\uad00\ub418\uac8c \uc720\uc9c0\ud558\uae30<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-667988a2\">\ub2e4\uc74c\uacfc \uac19\uc774 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud30c\uc7a5<\/li>\n\n\n\n<li>\ud384\uc2a4 \ud3ed<\/li>\n\n\n\n<li>\ubc94\uc704<\/li>\n\n\n\n<li>\uc2dc\uac04 \uc6b0\uc120 \ub610\ub294 \ud68d\ub4dd \ud488\uc9c8 \uc6b0\uc120<\/li>\n\n\n\n<li>\uadf8\ub8f9 \uc778\ub371\uc2a4 \uc124\uc815<\/li>\n\n\n\n<li>\uc0ac\uac74 \ubd84\uc11d \ubc29\ubc95<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-aeb340b1\">\ubc29\ud5a5 \uc804\ud658 \uc2dc \ud384\uc2a4 \ud3ed\uc774\ub098 \ud30c\uc7a5\uc744 \ubcc0\uacbd\ud558\uba74 \ub610 \ub2e4\ub978 \ubcc0\uc218\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-cb5e4259\">4\ub2e8\uacc4: A\ub2e8\ub9d0\uc5d0\uc11c \ud14c\uc2a4\ud2b8\ud558\uae30<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c5e73314\">\ucd94\uc801 \ub370\uc774\ud130\uc640 \uc774\ubca4\ud2b8 \ud14c\uc774\ube14\uc744 \uc800\uc7a5\ud558\uc2ed\uc2dc\uc624. \uc774\ubca4\ud2b8 \uac70\ub9ac, \ubd80\ud638 \uc788\ub294 \uc190\uc2e4, \ud574\ub2f9\ub418\ub294 \uacbd\uc6b0 \ubc18\uc0ac\uc728, \ud30c\uc7a5 \ubc0f \ud14c\uc2a4\ud2b8 \uc124\uc815\uc744 \uae30\ub85d\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-9a927863\">\uc790\ub3d9 \uc774\ubca4\ud2b8 \ud14c\uc774\ube14\ub9cc \ubcf4\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \ud2b8\ub808\uc774\uc2a4\uac00 \uc2a4\ud50c\ub77c\uc774\uc2a4 \uc591\ucabd \ubaa8\ub450\uc5d0\uc11c \uc548\uc815\uc801\uc778 \ubc31\uc2a4\uce90\ud130 \uad6c\uac04\uc744 \ubcf4\uc774\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-05719131\">5\ub2e8\uacc4: B\ub2e8\ub9d0\uc5d0\uc11c \ud14c\uc2a4\ud2b8\ud558\uae30<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-fb33fe6b\">OTDR\uc744 \ubc18\ub300\ucabd \ub05d\uc73c\ub85c \uc774\ub3d9\uc2dc\ud0a4\uac70\ub098 \uc2b9\uc778\ub41c \uc6d0\uaca9 \uc2dc\ud5d8 \uc7a5\uce58\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. \ub3d9\ub4f1\ud55c \uc870\uac74\uc5d0\uc11c \uc2dc\ud5d8\uc744 \ubc18\ubcf5\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-fccef496\">6\ub2e8\uacc4: \ub3d9\uc77c\ud55c \ubb3c\ub9ac\uc801 \uc0ac\uac74\uc744 \ub9e4\uce6d\ud558\uae30<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-bacc2b4c\">\uc774\ubca4\ud2b8 \ubc88\ud638\uac00 \ubc14\ub014 \uc218 \uc788\uc2b5\ub2c8\ub2e4. A\ud3b8\uc5d0 \ub098\uc624\ub294 \u201c\uc774\ubca4\ud2b8 6\u201d\uc774 B\ud3b8\uc5d0\uc11c\ub3c4 \u201c\uc774\ubca4\ud2b8 6\u201d\uc73c\ub85c \uc720\uc9c0\ub418\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-3b11f6f2\">\uac01 \uc885\ub2e8\uc810\uacfc\uc758 \uac70\ub9ac, \ucd1d \ub9c1\ud06c \uae38\uc774, \uc811\uc18d \uacc4\ud68d \ubc0f \uc778\uadfc\uc758 \uc54c\ub824\uc9c4 \uc0ac\uac74 \uc815\ubcf4\ub97c \ud65c\uc6a9\ud558\uc5ec \uc77c\uce58 \uc5ec\ubd80\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-3d2b240a\">7\ub2e8\uacc4: \ubd80\ud638\uac00 \ubd99\uc740 \uce21\uc815\uac12\uc758 \ud3c9\uade0\uc744 \uad6c\ud55c\ub2e4<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-5d47ab05\">\ubc18\uc0ac \ubc29\uc9c0 \uc811\ud569\uc774 \uc774\ub8e8\uc5b4\uc9c4 \uac01 \uc30d\uc5d0 \ub300\ud574:<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-3a5d81b9\"><code>\ud3c9\uade0 \uc190\uc2e4 = (A\u2192B \ubd80\ud638 \uc190\uc2e4 + B\u2192A \ubd80\ud638 \uc190\uc2e4) \u00f7 2<\/code><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c9edd332\">\uacc4\uc0b0 \uc2dc \uc74c\uc758 \ubd80\ud638\ub97c \uc720\uc9c0\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-f2c860bc\">8\ub2e8\uacc4: \uc2b9\uc778 \uae30\uc900\uacfc \ube44\uad50\ud558\uae30<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-99e32a63\">\ud504\ub85c\uc81d\ud2b8\uc5d0 \uba85\uc2dc\ub41c \ud5c8\uc6a9 \ud55c\uacc4\uce58\uc640 \uc2dc\ud5d8 \ubc29\ubc95\uc744 \ub530\ub974\uc2ed\uc2dc\uc624. \uc591\ubc29\ud5a5 \ud3c9\uade0\uac12\uc774 \ud5c8\uc6a9 \ud55c\uacc4\uce58\ub97c \ucd08\uacfc\ud560 \uacbd\uc6b0, \uc811\uc18d\ubd80, \uad7d\ud798, \uad11\uc12c\uc720 \ud638\ud658\uc131 \ubc0f \uce21\uc815 \uc124\uc815\uc744 \uc810\uac80\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-3d46defe\">OTDR \uac8c\uc774\ub108\ub294 \uc5b8\uc81c \uc7ac\uc811\uc18d\ud574\uc57c \ud560\uae4c\uc694?<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-82a376ed\">\ub2e8\uc21c\ud788 \ud55c \ubc29\ud5a5\uc5d0\uc11c\ub294 \uacb0\uacfc\uac00 \uc74c\uc131\uc774\uace0 \ub2e4\ub978 \ubc29\ud5a5\uc5d0\uc11c\ub294 \uc591\uc131\uc774\ub77c\ub294 \uc774\uc720\ub9cc\uc73c\ub85c \uc7ac\uacb0\ud569\uc744 \uc2dc\ub3c4\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-1a9d5c84\">\ub2e4\uc74c\uacfc \uac19\uc740 \uacbd\uc6b0\uc5d0\ub294 \uc7ac\uc870\ub9bd\ud558\uac70\ub098 \uc870\uc0ac\ud574\uc57c \ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc591\ubc29\ud5a5 \ud3c9\uade0\uac12\uc774 \ud504\ub85c\uc81d\ud2b8 \ud55c\ub3c4\ub97c \ucd08\uacfc\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc591\ubc29\ud5a5 \ubaa8\ub450 \uacfc\ub3c4\ud55c \uc591\uc758 \uc190\uc2e4\uc774 \ub098\ud0c0\ub0a9\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ud2b8\ub808\uc774\uc2a4\uc5d0\uc11c \uad7d\ud798, \ubc18\uc0ac \ub610\ub294 \ube44\uc815\uc0c1\uc801\uc778 \ud30c\ud615\uc774 \uad00\ucc30\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ucf00\uc774\ube14\uc774 \uc6c0\uc9c1\uc774\uac70\ub098 \ud658\uacbd\uc801 \uc2a4\ud2b8\ub808\uc2a4\uac00 \uac00\ud574\uc9c0\uba74 \ud574\ub2f9 \ud604\uc0c1\uc740 \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc2a4\ud50c\ub77c\uc774\uc2a4 \uae30\ub85d\uc740 \uc190\uc0c1\ub418\uc5c8\uac70\ub098 \ud638\ud658\ub418\uc9c0 \uc54a\ub294 \uad11\uc12c\uc720\ub97c \uc2dd\ubcc4\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc885\ub2e8 \uac04 \uc0bd\uc785 \uc190\uc2e4\uc774 \ub9c1\ud06c \uc608\uc0b0 \ubc94\uc704\ub97c \ubc97\uc5b4\ub0a9\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc2a4\ud50c\ub77c\uc774\uc11c \uae30\ub85d\uc5d0\ub294 \uc624\uc5fc, \uc808\ub2e8 \ubd88\ub7c9 \ub610\ub294 \uc815\ub82c \ubb38\uc81c\uac00 \ub098\ud0c0\ub0a9\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-21b8b9cd\">\ud6c4\ubc29 \uc0b0\ub780 \ubd88\uc77c\uce58 \ud604\uc0c1\uc744 \ubc18\ubcf5\uc801\uc73c\ub85c \uc7ac\uc811\ud569\ud558\uba74 \uac70\uc758 \ub3d9\uc77c\ud55c \ub2e8\ubc29\ud5a5 \uce21\uc815\uac12\uc774 \ub098\uc62c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uad11\uc12c\uc720\uc758 \ubb3c\ub9ac\uc801 \ud2b9\uc131\uc740 \ubcc0\ud558\uc9c0 \uc54a\uc558\uae30 \ub54c\ubb38\uc5d0, \ubb3c\ub9ac\uc801\uc73c\ub85c \uc815\uc0c1\uc801\uc778 \uc811\ud569 \ud6c4\uc5d0\ub3c4 \uc774\ub4dd\/\uc190\uc2e4 \ud328\ud134\uc774 \uadf8\ub300\ub85c \uc720\uc9c0\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-7dccefe3\">OTDR \uc0ac\uc6a9 \uc2dc \ud754\ud788 \uc800\uc9c0\ub974\ub294 \uc2e4\uc218<\/h2>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-0d7f1ed6\">\uc74c\uc758 \uc190\uc2e4\uc744 \uc2e4\uc81c \uc99d\ud3ed\uc73c\ub85c \uac04\uc8fc\ud558\uae30<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-0a0747b3\">\uc218\ub3d9\ud615 \uc735\ud569 \uc811\ud569\uc740 \uad11\ucd9c\ub825\uc744 \uc99d\uac00\uc2dc\ud0a4\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc704\ucabd\uc73c\ub85c \ubed7\uc740 \ub2e8\uacc4\ub294 OTDR \ud6c4\ubc29 \uc0b0\ub780 \ud6a8\uacfc\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-851c35c4\">\ud3c9\uade0\uc744 \uad6c\ud558\uae30 \uc804\uc5d0 \uc74c\uc758 \ubd80\ud638\ub97c \uc81c\uac70\ud558\uae30<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-b9a0fd9c\">\ub9cc\uc57d <code>-0.20 dB<\/code> \ub2e4\uc74c\uacfc \uac19\uc774 \ubcc0\uacbd\ub429\ub2c8\ub2e4. <code>+0.20 dB<\/code>, \ubc29\ud5a5\uc131 \ud6c4\ubc29\uc0b0\ub780 \ubcf4\uc815\uc774 \ub354 \uc774\uc0c1 \uc791\ub3d9\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-2846fca6\">\uc2e4\uc81c \ud589\uc0ac \ub300\uc2e0 \ud589\uc0ac \ud69f\uc218\uc758 \ud3c9\uade0\uc744 \uc0b0\ucd9c\ud558\uae30<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-36cdff9a\">\uc5ed\ubc29\ud5a5 \uc774\ubca4\ud2b8 \ud14c\uc774\ube14\uc740 \ub2e4\ub978 \uc21c\uc11c\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud589 \ubc88\ud638\ubfd0\ub9cc \uc544\ub2c8\ub77c \ubb3c\ub9ac\uc801 \uc704\uce58\uc5d0 \ub530\ub77c \uc30d\uc744 \ub9e4\uaca8\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-ceaea47c\">\uc11c\ub85c \ub2e4\ub978 \ud30c\uc7a5\uc774\ub098 \ud384\uc2a4 \ud3ed\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-1c687995\">\uc124\uc815\uc5d0 \ub530\ub77c \ud574\uc0c1\ub3c4, \ub178\uc774\uc988 \ubc0f \uce21\uc815\ub41c \uc774\ubca4\ud2b8 \uc190\uc2e4\uc774 \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \ub370\uc774\ud130 \uc218\uc9d1 \uc870\uac74\uc744 \uc77c\uad00\ub418\uac8c \uc720\uc9c0\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-10be26d3\">\ucd94\uc801 \uae30\uc6b8\uae30\ub97c \ubb34\uc2dc\ud558\uae30<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-b20bf415\">\ud6c4\ubc29 \uc0b0\ub780 \uae30\uc6b8\uae30\ub098 \uc218\uc900\uc774 \ub208\uc5d0 \ub744\uac8c \ub2e4\ub978 \uad6c\uac04\uc740 \uacb0\ud569\ub41c \uc12c\uc720\uac00 \uc11c\ub85c \ub2e4\ub974\ub2e4\ub294 \ub2e8\uc11c\uac00 \ub429\ub2c8\ub2e4. \uc790\ub3d9 \ubd84\uc11d\uc5d0\uc11c\ub294 \uc774\ub7ec\ud55c \ub9e5\ub77d\uc774 \ub4dc\ub7ec\ub098\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-df73e4d3\">\ub2e8\ubc29\ud5a5 OTDR \uc190\uc2e4\uc744 \uc804\uccb4 \ub9c1\ud06c \uc190\uc2e4\ub85c \uc0ac\uc6a9<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-cafa8fe8\">\uc9c1\uc811\uc801\uc778 \uc885\ub2e8 \uac04 \uc0bd\uc785 \uc190\uc2e4\uc744 \uce21\uc815\ud558\ub824\uba74 \uad50\uc815\ub41c \uad11\uc6d0 \ubc0f \ud30c\uc6cc \ubbf8\ud130 \ub610\ub294 OLTS\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. OTDR \uc774\ubca4\ud2b8 \ubd84\uc11d\uacfc \uc0bd\uc785 \uc190\uc2e4 \uce21\uc815\uc740 \uc11c\ub85c \ub2e4\ub978 \uc815\ubcf4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-9aafbdc5\">OTDR \uac8c\uc774\ub108 \ub300 \uc815\ub9d0 \uc5c9\ub9dd\uc778 \uc811\ud569\ubd80<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\ud655\uc778<\/th><th>\uc804\ud615\uc801\uc778 \uc0c1\uc2b9\uc8fc\/\ud558\ub77d\uc8fc \uc870\ud569<\/th><th>\uc624\ud788\ub824 \uc190\uc2e4\uc774 \ub9e4\uc6b0 \ud070 \uc811\ud569\ubd80\uc77c \uac00\ub2a5\uc131\uc774 \ub192\ub2e4<\/th><\/tr><\/thead><tbody><tr><td>A\u2192B \uc77d\uae30<\/td><td>\uc74c\uc131 \ub610\ub294 \ube44\uc815\uc0c1\uc801\uc73c\ub85c \ub0ae\uc740<\/td><td>\uae0d\uc815\uc801\uc774\uace0 \ub192\uc740<\/td><\/tr><tr><td>B\u2192A \uc77d\uae30<\/td><td>\uc591\uc131\uc774\uba70 \uc720\ub09c\ud788 \ub192\uc740 \uc218\uce58<\/td><td>\uae0d\uc815\uc801\uc774\uace0 \ub192\uc740<\/td><\/tr><tr><td>\uc591\ubc29\ud5a5 \ud3c9\uade0<\/td><td>\ub192\uc740 \ud3b8\ub3c4 \uac12\ubcf4\ub2e4 \ud6e8\uc52c \ub354 \uc791\uc74c<\/td><td>\ud55c\ub3c4\ub97c \ucd08\uacfc\ud55c \uc0c1\ud0dc\ub97c \uc720\uc9c0\ud568<\/td><\/tr><tr><td>\uc774\ubca4\ud2b8 \uc8fc\ubcc0\uc744 \ub530\ub77c \uadf8\ub9ac\uae30<\/td><td>\uad11\uc12c\uc720 \uad6c\uac04 \uac04 \ud6c4\ubc29\uc0b0\ub780 \ub808\ubca8 \ubcc0\ud654<\/td><td>\uc591\ubc29\ud5a5 \ubaa8\ub450\uc5d0\uc11c \uc5ec\uc804\ud788 \ub69c\ub837\ud55c \uc190\uc2e4\uc774 \ub0a8\uc544 \uc788\ub2e4<\/td><\/tr><tr><td>\uc7ac\uc2a4\ud50c\ub77c\uc774\uc2f1\uc758 \uc601\ud5a5<\/td><td>\ubc29\ud5a5\uc0c1\uc758 \ucc28\uc774\ub294 \uc5ec\uc804\ud788 \ub0a8\uc544 \uc788\uc744 \uc218 \uc788\ub2e4<\/td><td>\uc190\uc2e4\uc774 \uac1c\uc120\ub420 \uc218\ub3c4 \uc788\ub2e4<\/td><\/tr><tr><td>\uc885\ub2e8 \uac04 \uc190\uc2e4<\/td><td>\uc5ec\uc804\ud788 \uc815\uc0c1\uc77c \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4<\/td><td>\uc9c0\ub098\uce60 \uc218\ub3c4 \uc788\ub2e4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-a8f38e4c\">\uc774 \ud45c\ub294 \uc9c4\ub2e8 \uac00\uc774\ub4dc\uc77c \ubfd0, \ud504\ub85c\uc81d\ud2b8 \ud14c\uc2a4\ud2b8 \uc0ac\uc591\uc11c\ub97c \ub300\uccb4\ud558\ub294 \uac83\uc774 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-00e6bcf0\">\uc801\uc808\ud55c LuLeey \ud14c\uc2a4\ud2b8 \uad6c\uc131 \uc120\ud0dd\ud558\uae30<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-cd0003d4\">\uccab \ubc88\uc9f8 \ub610\ub294 \ub9c8\uc9c0\ub9c9 \uc811\uc18d\ubd80\uac00 \uac00\ub824\uc838 \uc788\ub294 \uacbd\uc6b0, \uac8c\uc774\ub108\ub97c \ud574\uc11d\ud558\uae30 \uc804\uc5d0 \uae30\uc900 \ucf00\uc774\ube14 \ubc0f \ub370\ub4dc\uc874 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-95ad87e6\">LuLeey\u2019s <a href=\"https:\/\/www.luleey.com\/ko\/product\/single-mode-fiber-optic-otdr-launch-cable-box\/\">\ub2e8\uc77c \ubaa8\ub4dc OTDR \ub7f0\uce58 \ucf00\uc774\ube14 \ubc15\uc2a4<\/a> \ub2e4\uc591\ud55c \ucee4\ub125\ud130\uc640 \uae38\uc774\ub97c \uc120\ud0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc8fc\ubb38\ud558\uae30 \uc804\uc5d0 OTDR \ud3ec\ud2b8, \ub124\ud2b8\uc6cc\ud06c \ucee4\ub125\ud130, \uad11\uc12c\uc720 \ud45c\uba74 \ucc98\ub9ac \uc0c1\ud0dc, \uad11\uc12c\uc720 \uc720\ud615, \ud30c\uc7a5 \ubc0f \ud544\uc694\ud55c \uac70\ub9ac\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ea4f52dc\">\uc774 \uce21\uc815 \ubc29\ubc95\uc744 \ucc98\uc74c \uc811\ud558\ub294 \uc0ac\uc6a9\uc790\ub294 \uba3c\uc800 \ub2e4\uc74c \ub0b4\uc6a9\uc744 \ud655\uc778\ud574 \ubcf4\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4. <a href=\"https:\/\/www.luleey.com\/ko\/what-are-tdr-and-otdr-simple-easy-to-understand-explanation\/\">TDR\uacfc OTDR\uc774\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/a> \uad6c\ub9ac \uc2dc\uac04 \uc601\uc5ed \ud14c\uc2a4\ud2b8\uc640 \uad11 \uc5ed\uc0b0\ub780 \ud14c\uc2a4\ud2b8\uc758 \uae30\ubcf8\uc801\uc778 \ucc28\uc774\uc810\uc5d0 \ub300\ud574\uc11c\ub294.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-03ec7970\">\ucd5c\uc885 \ub2f5\ubcc0<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d2fc0dac\">OTDR \uac8c\uc774\ub108\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uac89\ubcf4\uae30 <a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ko\/tag\/negative-splice-loss\/\" title=\"&#039;\ubd80\uc815\uc801 \uc2a4\ud50c\ub77c\uc774\uc2a4 \uc190\uc2e4&#039; \uad00\ub828 \uac8c\uc2dc\ubb3c \ubaa8\ub450 \ubcf4\uae30\">\ubd80\uc815\uc801 \uc2a4\ud50c\ub77c\uc774\uc2a4 \uc190\uc2e4<\/a> \uc774 \ud604\uc0c1\uc740 \uc0ac\uac74\uc758 \uc591\ucabd\uc5d0 \uc704\uce58\ud55c \uad11\uc12c\uc720\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \ud6c4\ubc29 \uc0b0\ub780 \uc218\uc900\uc758 \ucc28\uc774\ub85c \uc778\ud574 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc774\ub294 \uc9c4\uc815\ud55c \uad11 \uc99d\ud3ed\uc774 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ef9baff2\">\uc815\ub2f5\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\uc591\ucabd \ub05d\uc5d0\uc11c \ube44\uc2b7\ud55c \uc124\uc815\uc73c\ub85c \ub9c1\ud06c\ub97c \ud14c\uc2a4\ud2b8\ud574 \ubcf4\uc138\uc694.<\/li>\n\n\n\n<li>\ub450 \ud2b8\ub808\uc774\uc2a4\uc5d0\uc11c \ub3d9\uc77c\ud55c \ubb3c\ub9ac\uc801 \uc811\uc18d\ubd80\ub97c \uc77c\uce58\uc2dc\ud0a4\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li>\uc591\uc218 \ubc0f \uc74c\uc218\uc758 \ubd80\ud638\ub97c \uadf8\ub300\ub85c \uc720\uc9c0\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li>\ub450 \uac1c\uc758 \ubd80\ud638 \uc788\ub294 \uc0ac\uac74 \uc190\uc2e4 \uce21\uc815\uac12\uc758 \ud3c9\uade0\uc744 \uad6c\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li>\uc591\ubc29\ud5a5 \uacb0\uacfc\ub97c \ud504\ub85c\uc81d\ud2b8 \ud55c\ub3c4\uc640 \ube44\uad50\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li>\uc804\uccb4 \ub9c1\ud06c \uc190\uc2e4\uc744 \uc778\uc99d\ud574\uc57c \ud558\ub294 \uacbd\uc6b0\uc5d0\ub294 \uc0bd\uc785\uc190\uc2e4 \uce21\uc815\uc744 \uc218\ud589\ud558\uc2ed\uc2dc\uc624.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-1c1c32ec\">\uc218\uc815\ub41c \uacb0\uacfc\ub098 \ub2e4\ub978 \uc99d\uac70\ub97c \ud1b5\ud574 \uc2e4\uc81c \ubb38\uc81c\uac00 \ud655\uc778\ub41c \uacbd\uc6b0\uc5d0\ub9cc \uc7ac\ubd84\ud560\uc744 \uc9c4\ud589\ud558\uc2ed\uc2dc\uc624. \ub2e8\uc21c\ud788 \ud55c \ubc29\ud5a5\uc73c\ub85c \uc810\uc218\uac00 \uc99d\uac00\ud558\uac70\ub098 \uac10\uc18c\ud588\ub2e4\ub294 \uc0ac\uc2e4\ub9cc\uc73c\ub85c\ub294 \ucda9\ubd84\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>\ubc29\ud5a5 A\u2192B \ubc29\ud5a5 B\u2192A \uc720\ub825\ud55c \ud574\uc11d \ub2e4\uc74c \ub2e8\uacc4 \uc74c\uc758 \uc190\uc2e4 \ub354 \ud070 \uc591\uc758 \uc190\uc2e4 \ud6c4\ubc29 \uc0b0\ub780 \ucc28\uc774\ub85c \uc778\ud55c \uc804\ud615\uc801\uc778 \uc774\ub4dd\/\uc190\uc2e4 \uc30d<\/p>","protected":false},"author":1,"featured_media":22080,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[886],"tags":[58,1507,1508,1171,1506,1509],"class_list":["post-22078","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-network-maintenance","tag-otdr","tag-bidirectional-otdr","tag-fiber-splicing","tag-fiber-testing","tag-negative-splice-loss","tag-otdr-gainer"],"_links":{"self":[{"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/posts\/22078","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/comments?post=22078"}],"version-history":[{"count":1,"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/posts\/22078\/revisions"}],"predecessor-version":[{"id":22081,"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/posts\/22078\/revisions\/22081"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/media\/22080"}],"wp:attachment":[{"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/media?parent=22078"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/categories?post=22078"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/tags?post=22078"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}