{"id":20217,"date":"2026-03-05T14:25:20","date_gmt":"2026-03-05T06:25:20","guid":{"rendered":"https:\/\/www.luleey.com\/?p=20217"},"modified":"2026-03-05T14:34:24","modified_gmt":"2026-03-05T06:34:24","slug":"what-are-tdr-and-otdr-simple-easy-to-understand-explanation","status":"publish","type":"post","link":"https:\/\/www.luleey.com\/ko\/what-are-tdr-and-otdr-simple-easy-to-understand-explanation\/","title":{"rendered":"TDR\uacfc OTDR\uc774\ub780 \ubb34\uc5c7\uc778\uac00\uc694? \uac04\ub2e8\ud558\uace0 \uc774\ud574\ud558\uae30 \uc26c\uc6b4 \uc124\uba85"},"content":{"rendered":"<p class=\"wp-block-wd-paragraph wd-4f6381dd\"><strong><a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ko\/tag\/tdr\/\" title=\"TDR\uc758 \ubaa8\ub4e0 \uac8c\uc2dc\ubb3c \ubcf4\uae30\">TDR<\/a><\/strong> \uadf8\ub9ac\uace0 <strong><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><\/strong> \ub294 \ubaa8\ub450 \uc9c4\ub2e8 \ud14c\uc2a4\ud2b8 \ub3c4\uad6c\ub85c <strong>\uc2dc\uac04 \ub3c4\uba54\uc778 \ubc18\uc0ac \uce21\uc815<\/strong> \ucf00\uc774\ube14\uc758 \uacb0\ud568 \ucc3e\uae30, \uae38\uc774 \uce21\uc815, \uc2e0\ud638 \uc190\uc2e4 \ud655\uc778 \ub4f1 \ub2e4\uc591\ud55c \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <em>\ub2e4\uc591\ud55c \uc720\ud615\uc758 \ucf00\uc774\ube14<\/em> \ub2e4\ub978 \uc2e0\ud638\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc544\ub798\ub294 \uc804\ubb38 \uc6a9\uc5b4 \uc5c6\uc774 \ud3c9\uc774\ud55c \uc5b8\uc5b4\ub85c \uc124\uba85\ud55c \ub0b4\uc6a9\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-wd-divider wd-style-line wd-295e5708\"><\/div>\n\n\n\n<h1 class=\"wp-block-wd-title title wd-380c254e\">TDR\uc774\ub780 \ubb34\uc5c7\uc778\uac00\uc694? (\uc2dc\uac04 \ub3c4\uba54\uc778 \ubc18\uc0ac\uacc4)<\/h1>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-a19bec0c\"><strong>TDR\uc740 \uc2dc\uac04 \ub3c4\uba54\uc778 \ubc18\uc0ac\uacc4 \uc57d\uc790\uc785\ub2c8\ub2e4.<\/strong> - \uadf8\uac83\uc740 <em>\uc804\uae30\/\uad6c\ub9ac \ucf00\uc774\ube14 \ubc84\uc804<\/em> \ucf00\uc774\ube14 \uc9c4\ub2e8 \ub3c4\uad6c\uc758.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-1fc1d91b\">\ud575\uc2ec \uae30\ubcf8 \uc0ac\ud56d \ubc0f \uc791\ub3d9 \ubc29\uc2dd<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-e89da33b\">TDR \uc804\uc1a1 <strong>\ube60\ub978 \uc804\uae30 \ud384\uc2a4<\/strong> \uad6c\ub9ac \uae30\ubc18 \ucf00\uc774\ube14(\uc608: \uc774\ub354\ub137, \ub3d9\ucd95, \uc804\ud654 \ub610\ub294 \uc804\uc6d0 \ucf00\uc774\ube14)\uc744 \ub2e4\uc6b4\uc2dc\ud0b5\ub2c8\ub2e4. \ud384\uc2a4\uac00 \uc808\ub2e8, \ub2e8\uc120, \ub290\uc2a8\ud55c \uc5f0\uacb0, \uad6c\ubd80\ub7ec\uc9d0 \ub610\ub294 \ucf00\uc774\ube14 \ub05d\uacfc \uac19\uc740 \ubb38\uc81c\uc5d0 \ubd80\ub52a\ud788\uba74 TDR \uc7a5\uce58\ub85c \uc2e0\ud638\ub97c \ub2e4\uc2dc \ubc14\uc6b4\uc2a4\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-39af27cf\">\uc774 \ub3c4\uad6c\ub294 \ub2e4\uc74c\uc744 \uce21\uc815\ud569\ub2c8\ub2e4. <strong>\ubc18\uc0ac\ub41c \ub9e5\ubc15\uc774 \ub3cc\uc544\uc624\ub294 \ub370 \uac78\ub9ac\ub294 \uc2dc\uac04<\/strong> \ub97c \uc0ac\uc6a9\ud558\uc5ec \uacc4\uc0b0\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ucf00\uc774\ube14 \uae38\uc774<\/strong> (\ucf00\uc774\ube14\uc758 \ucd1d \uac70\ub9ac)<\/li>\n\n\n\n<li><strong>\uc815\ud655\ud55c \uacb0\ud568 \uc704\uce58<\/strong> (\uc190\uc0c1\/\ubb38\uc81c\uac00 \ucf00\uc774\ube14\uc5d0\uc11c \uc5bc\ub9c8\ub098 \uba40\ub9ac \ub5a8\uc5b4\uc838 \uc788\ub294\uc9c0)<\/li>\n\n\n\n<li><strong>\uc2e0\ud638 \uc190\uc2e4\/\uc784\ud53c\ub358\uc2a4 \ubb38\uc81c<\/strong> (\uc5f0\uacb0 \ubd88\ub7c9 \ub610\ub294 \ubc30\uc120 \uc190\uc0c1)<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-514fd4d6\">TDR\uc758 \uc77c\ubc18\uc801\uc778 \uc6a9\ub3c4<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ce1aa731\">\ud14c\uc2a4\ud2b8 \ubc0f \ubb38\uc81c \ud574\uacb0 <strong>\uad6c\ub9ac\/\uc804\uae30 \ucf00\uc774\ube14<\/strong> \uac00\uc815, \uc0ac\ubb34\uc2e4, \ub370\uc774\ud130 \uc13c\ud130, \ud1b5\uc2e0 \ub124\ud2b8\uc6cc\ud06c \ubc0f \uc0b0\uc5c5\uc6a9 \ubc30\uc120 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ub2e4\uc74c\uacfc \uac19\uc774 \uc0dd\uac01\ud558\uc138\uc694. <strong>\uad6c\ub9ac \ucf00\uc774\ube14\uc6a9 \ub808\uc774\ub354<\/strong> - \ubcbd\uc744 \ud30c\uac70\ub098 \uc790\ub974\uc9c0 \uc54a\uace0\ub3c4 \uc228\uaca8\uc9c4 \ubb38\uc81c\ub97c \u201c\ubc1c\uacac'\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-wd-divider wd-style-line wd-1f739f0e\"><\/div>\n\n\n\n<h1 class=\"wp-block-wd-title title wd-f2a13a1e\">OTDR\uc774\ub780 \ubb34\uc5c7\uc778\uac00\uc694? (\uad11\ud559 \uc2dc\uac04 \uc601\uc5ed \ubc18\uc0ac\uacc4)<\/h1>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-e680e13c\"><strong>OTDR\uc740 \uad11\ud559 \uc2dc\uac04 \uc601\uc5ed \ubc18\uc0ac\uacc4\uc758 \uc57d\uc790\uc785\ub2c8\ub2e4.<\/strong> - \uadf8\uac83\uc740 <em>\uad11\uc12c\uc720 \ucf00\uc774\ube14 \ubc84\uc804<\/em> \uc720\ub9ac\uc12c\uc720 \ud68c\uc120\uc6a9\uc73c\ub85c \ud2b9\ubcc4\ud788 \uc81c\uc791\ub41c TDR\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-f4969131\">\ud575\uc2ec \uae30\ubcf8 \uc0ac\ud56d \ubc0f \uc791\ub3d9 \ubc29\uc2dd<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-f98e44e2\">OTDR\uc740 TDR\uacfc \ub3d9\uc77c\ud558\uac8c \uc791\ub3d9\ud558\uc9c0\ub9cc, \uc804\uae30 \ud384\uc2a4 \ub300\uc2e0 <strong>\uad11 \ud384\uc2a4<\/strong> \uad11\ucf00\uc774\ube14\uc744 \ub0b4\ub824\ubcf4\ub0b4\uc57c \ud569\ub2c8\ub2e4. \ube5b\uc774 \uad11\ucf00\uc774\ube14\uc744 \ud1b5\uacfc\ud560 \ub54c \uc18c\ub7c9\uc758 \ube5b\uc774 \ub2e4\uc2dc \uc0b0\ub780(Rayleigh \ud6c4\ubc29 \uc0b0\ub780)\ud558\uac70\ub098 \ub2e8\uc120, \uc2a4\ud50c\ub77c\uc774\uc2a4, \ucee4\ub125\ud130, \uad6c\ubd80\ub7ec\uc9d0 \ub610\ub294 \uad11\ucf00\uc774\ube14 \uc190\uc0c1\uacfc \uac19\uc740 \ubb38\uc81c\uc5d0\uc11c \ubc18\uc0ac\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8c51a5cb\">OTDR\uc740 <strong>\ub3cc\uc544\uc624\ub294 \ube5b\uc758 \uc2dc\uac04 \ubc0f \uac15\ub3c4<\/strong> \ub97c \ud074\ub9ad\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uad11\uc12c\uc720 \ucf00\uc774\ube14 \uae38\uc774<\/strong><\/li>\n\n\n\n<li><strong>\uc815\ud655\ud55c \uc624\ub958 \uc704\uce58<\/strong> (\ud30c\uc190, \uade0\uc5f4 \ub610\ub294 \uc811\ud569 \ubd88\ub7c9)<\/li>\n\n\n\n<li><strong>\ube5b \uc190\uc2e4\/\uac10\uc1e0<\/strong> (\ub9c8\ubaa8\ub41c \uad11\ucf00\uc774\ube14, \uc5f0\uacb0 \ubd88\ub7c9 \ub610\ub294 \uad6c\ubd80\ub7ec\uc9d0\uc73c\ub85c \uc778\ud55c \uc2e0\ud638 \ud1f4\uc0c9)<\/li>\n\n\n\n<li><strong>\uc2a4\ud50c\ub77c\uc774\uc2a4 \ubc0f \ucee4\ub125\ud130 \ud488\uc9c8<\/strong> (\uace0\uc18d \uad11\ucf00\uc774\ube14 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc911\uc694)<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-f759ba38\">OTDR\uc758 \uc77c\ubc18\uc801\uc778 \uc6a9\ub3c4<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-2815851b\">\ud14c\uc2a4\ud2b8, \uc124\uce58 \ubc0f \uc720\uc9c0 \uad00\ub9ac<strong>\uad11\uc12c\uc720 \ucf00\uc774\ube14<\/strong> - \uc778\ud130\ub137 \ubc31\ubcf8, 5G \ub124\ud2b8\uc6cc\ud06c, \ub370\uc774\ud130 \uc13c\ud130, \uc7a5\uac70\ub9ac \ud1b5\uc2e0 \ubc0f \ucd08\uace0\uc18d \uad11\ub300\uc5ed\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774\ub294 <strong>\uad11\uc12c\uc720\uc6a9 \ub808\uc774\ub354<\/strong>, \uace0\uc18d \uad11 \uae30\ubc18 \uc778\ud130\ub137 \ubc0f \ub370\uc774\ud130 \ub9c1\ud06c\ub97c \uc6d0\ud65c\ud558\uac8c \uc2e4\ud589\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-wd-divider wd-style-line wd-274dfbc0\"><\/div>\n\n\n\n<h1 class=\"wp-block-wd-title title wd-d6c38e5c\">\uc8fc\uc694 \ucc28\uc774\uc810: TDR\uacfc OTDR \ube44\uad50(\ud55c\ub208\uc5d0 \ubcf4\uae30)<\/h1>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\uae30\ub2a5<\/th><th class=\"has-text-align-left\" data-align=\"left\">TDR(\uc2dc\uac04 \ub3c4\uba54\uc778 \ubc18\uc0ac\uacc4)<\/th><th class=\"has-text-align-left\" data-align=\"left\">OTDR(\uad11\ud559 \uc2dc\uac04 \uc601\uc5ed \ubc18\uc0ac\uacc4)<\/th><\/tr><\/thead><tbody><tr><td><strong>\uc2e0\ud638 \uc720\ud615<\/strong><\/td><td>\uc804\uae30 \ud384\uc2a4<\/td><td>\uad11 \ud384\uc2a4<\/td><\/tr><tr><td><strong>\ucf00\uc774\ube14 \uc720\ud615<\/strong><\/td><td>\uad6c\ub9ac\/\uc804\uae30 \ucf00\uc774\ube14(\uc774\ub354\ub137, \ub3d9\ucd95, \uc804\ud654)<\/td><td>\uad11\uc12c\uc720 \ucf00\uc774\ube14(\uc720\ub9ac \uc12c\uc720, \uace0\uc18d \ub370\uc774\ud130)<\/td><\/tr><tr><td><strong>\ud575\uc2ec \uc9c1\ubb34<\/strong><\/td><td>\uad6c\ub9ac \ucf00\uc774\ube14 \uacb0\ud568 \uc9c4\ub2e8 \ubc0f \uae38\uc774 \uce21\uc815<\/td><td>\uad11\ucf00\uc774\ube14 \uacb0\ud568, \uc190\uc2e4 \ubc0f \uc2a4\ud50c\ub77c\uc774\uc2a4 \ud488\uc9c8 \uc9c4\ub2e8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-53114026\"><strong>\ube60\ub978 \ud14c\uc774\ud06c\uc544\uc6c3<\/strong>: TDR = \uad6c\ub9ac \ucf00\uc774\ube14(\uc804\uae30 \uc2e0\ud638), OTDR = \uad11 \ucf00\uc774\ube14(\uad11 \uc2e0\ud638). \ub450 \uac00\uc9c0 \ubaa8\ub450 \uc228\uaca8\uc9c4 \ubb38\uc81c\ub97c \ube60\ub974\uac8c \ucc3e\uc544\ub0b4\ub294 \ucf00\uc774\ube14 \u201c\ub808\uc774\ub354\u201d \ub3c4\uad6c\uc785\ub2c8\ub2e4!<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-a6393296\"><\/p>\n\n\n\n<a class=\"wp-block-wd-button btn btn-style-default btn-size-default btn-shape-rectangle wd-b7a19e89\" href=\"https:\/\/www.luleey.com\/ko\/product\/cable-fault-tester-8km-tdr-ll-tdr-8km\/\"><span>TDR\u00a0<\/span><\/a>","protected":false},"excerpt":{"rendered":"<p>\ud2b9\uc9d5 TDR(\uc2dc\uac04 \uc601\uc5ed \ubc18\uc0ac\uacc4) OTDR(\uad11\ud559 \uc2dc\uac04 \uc601\uc5ed \ubc18\uc0ac\uacc4) \uc2e0\ud638 \uc720\ud615 \uc804\uae30 \ud384\uc2a4 \uad11 \ud384\uc2a4 \ucf00\uc774\ube14 \uc720\ud615 \uad6c\ub9ac\/\uc804\uae30 \ucf00\uc774\ube14(\uc774\ub354\ub137, \ub3d9\ucd95),<\/p>","protected":false},"author":1,"featured_media":12627,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[886],"tags":[1144,58],"class_list":["post-20217","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-network-maintenance","tag-tdr","tag-otdr"],"_links":{"self":[{"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/posts\/20217","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=20217"}],"version-history":[{"count":0,"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/posts\/20217\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/media\/12627"}],"wp:attachment":[{"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/media?parent=20217"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/categories?post=20217"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/tags?post=20217"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}