{"id":22327,"date":"2026-09-22T10:50:38","date_gmt":"2026-09-22T02:50:38","guid":{"rendered":"https:\/\/www.luleey.com\/?p=22327"},"modified":"2026-09-21T10:54:42","modified_gmt":"2026-09-21T02:54:42","slug":"fiber-media-converter-lights-on-but-no-network","status":"publish","type":"post","link":"https:\/\/www.luleey.com\/ko\/fiber-media-converter-lights-on-but-no-network\/","title":{"rendered":"\ud30c\uc774\ubc84 \ubbf8\ub514\uc5b4 \ucee8\ubc84\ud130\uc758 \uc804\uc6d0\uc740 \ucf1c\uc9c0\ub294\ub370 \ub124\ud2b8\uc6cc\ud06c\uac00 \uc5f0\uacb0\ub418\uc9c0 \uc54a\ub098\uc694?"},"content":{"rendered":"<p class=\"wp-block-wd-paragraph wd-818fd7e0\"><strong><a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ko\/tag\/fiber-media-converter\/\" title=\"\u2018\uad11\uc12c\uc720 \ubbf8\ub514\uc5b4 \ucee8\ubc84\ud130\u2019 \uce74\ud14c\uace0\ub9ac\uc758 \ubaa8\ub4e0 \uac8c\uc2dc\ubb3c \ubcf4\uae30\">\ud30c\uc774\ubc84 \ubbf8\ub514\uc5b4 \ubcc0\ud658\uae30<\/a> \ubd88\uc740 \ucf1c\uc838 \uc788\uc9c0\ub9cc <a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ko\/tag\/no-network\/\" title=\"&#039;No Network&#039;\uc758 \ubaa8\ub4e0 \uac8c\uc2dc\ubb3c \ubcf4\uae30\">\ub124\ud2b8\uc6cc\ud06c \uc5f0\uacb0 \uc5c6\uc74c<\/a><\/strong> \ud754\ud788 \ubc1c\uc0dd\ud558\ub294 \uc624\ub958 \uc591\uc0c1\uc744 \uc124\uba85\ud569\ub2c8\ub2e4. \uc5ec\ub7ec \uac1c\uc758 \ub179\uc0c9 LED\uac00 \ucf1c\uc838 \uc788\uc74c\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0, \uc6d0\uaca9 \uc885\ub2e8\uc810\uacfc\uc758 \ud1b5\uc2e0\uc774 \uc5ec\uc804\ud788 \ubd88\uac00\ub2a5\ud55c \uacbd\uc6b0\uc785\ub2c8\ub2e4. \uc804\uccb4 \uacbd\ub85c\uac00 \uc815\uc0c1\uc801\uc73c\ub85c \uc791\ub3d9\ud55c\ub2e4\uace0 \uac00\uc815\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4. \ud55c \uac1c\uc758 LED\ub294 \uc804\uc6d0, \ub85c\uceec \uad6c\ub9ac \ucf00\uc774\ube14 \uc5f0\uacb0, \ub610\ub294 \uc218\uc2e0\ub41c \uad11 \uc2e0\ud638\ub97c \ub098\ud0c0\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc774 LED\uac00 \uba40\ub9ac \uc788\ub294 \uc885\ub2e8\uc810\uc5d0 \ud2b8\ub798\ud53d\uc774 \ub3c4\ub2ec\ud558\ub294\uc9c0, \ubc18\uc1a1 \ubc29\ud5a5, VLAN \uc18c\uc18d, DHCP, PPPoE \ub610\ub294 IP \uac8c\uc774\ud2b8\uc6e8\uc774\uc5d0 \ub300\ud574\uc11c\ub294 \uc544\ubb34\ub7f0 \uc815\ubcf4\ub97c \uc81c\uacf5\ud558\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-79b9e33e\">\uac00\uc7a5 \ube60\ub978 \ubc29\ubc95\uc740 \uc804\uccb4 \uacbd\ub85c\ub97c \uadf8\ub824\ubcf4\uace0 \uc99d\uac70\uac00 \ubc14\ub00c\ub294 \uccab \ubc88\uc9f8 \ub808\uc774\uc5b4\ub97c \ucc3e\ub294 \uac83\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8e1a8897\"><strong>\uc885\ub2e8\uc810 A \u2192 \uad6c\ub9ac \ucf00\uc774\ube14 \u2192 \ubcc0\ud658\uae30 A \u2192 \uad11\uc12c\uc720 \u2192 \ubcc0\ud658\uae30 B \u2192 \uad6c\ub9ac \ucf00\uc774\ube14 \u2192 \uc885\ub2e8\uc810 B<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-3d36c9b3\">\uc591\ucabd \ubc29\ud5a5\uc744 \ubaa8\ub450 \ud655\uc778\ud558\uace0, \ud55c \ubc88\uc5d0 \ud55c \ud56d\ubaa9\uc529 \ubcc0\uacbd\ud558\uc2ed\uc2dc\uc624. \uc774\ub807\uac8c \ud558\uba74 \uc2e4\uc81c \ubb38\uc81c\uac00 \ud638\ud658\uc131 \ubd88\uc77c\uce58\uc778 \uacbd\uc6b0 \ubcc0\ud658\uae30\ub97c \uad50\uccb4\ud558\ub294 \uc77c\uc744 \ud53c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ko\/tag\/bidi\/\" title=\"BIDI\uc758 \ubaa8\ub4e0 \uac8c\uc2dc\ubb3c \ubcf4\uae30\">BIDI<\/a> \ud398\uc5b4, \uac15\uc81c \uc774\ub354\ub137 \ubaa8\ub4dc, \ucc28\ub2e8\ub41c VLAN \ub610\ub294 IP \uad6c\uc131 \ubb38\uc81c.<\/p>\n\n\n\n<div class=\"wp-block-wd-image wd-block-image wd-bc76f7de\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" class=\"wp-image-22329\" src=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/fiber-media-converter-no-network-hero.png\" alt=\"\" title=\"\" srcset=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/fiber-media-converter-no-network-hero.png 1000w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/fiber-media-converter-no-network-hero-800x800.png 800w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/fiber-media-converter-no-network-hero-400x400.png 400w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/fiber-media-converter-no-network-hero-768x768.png 768w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/fiber-media-converter-no-network-hero-12x12.png 12w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/fiber-media-converter-no-network-hero-150x150.png 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/div>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-51bedaca\">\uad11\uc12c\uc720 \ubbf8\ub514\uc5b4 \ucee8\ubc84\ud130\uc758 \uc804\uc6d0\uc740 \ucf1c\uc838 \uc788\uc9c0\ub9cc \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc5f0\uacb0\ub418\uc9c0 \uc54a\ub294 \uacbd\uc6b0: \uc5ec\uae30\uc5d0\uc11c \uc2dc\uc791\ud558\uc138\uc694<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ad4189a2\">\uba3c\uc800, \uac01 LED\uac00 \ubb34\uc5c7\uc744 \uc758\ubbf8\ud558\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624. <strong>\uc815\ud655\ud55c \ubcc0\ud658\uae30 \ubaa8\ub378 \ubc0f \ub9ac\ube44\uc804<\/strong>. \ub2e4\uc74c\uacfc \uac19\uc740 \ub808\uc774\ube14\ub4e4, \uc608\ub97c \ub4e4\uc5b4 <code>PWR<\/code>, <code>TP<\/code>, <code>FX<\/code>, <code>\ub9c1\ud06c<\/code>, <code>ACT<\/code>, <code>FDX<\/code> \uadf8\ub9ac\uace0 <code>SPD<\/code> \ubaa8\ub4e0 \uc81c\ud488\uc5d0\uc11c \ub3d9\uc77c\ud558\uac8c \ud574\uc11d\ub418\uc9c0\ub294 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-3e09f489\">\ub9c1\ud06c\ub97c \ud074\ub9ad\ud558\uae30 \uc804\uc5d0 \uac04\ub2e8\ud55c \ud45c\ub97c \ub9cc\ub4e4\uc5b4 \ubcf4\uc138\uc694:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uc138\uadf8\uba3c\ud2b8<\/th><th>\uae30\ub85d\ud560 \uc99d\uac70<\/th><th>\uc774\uac83\uc774 \uc99d\uba85\ud558\uc9c0 \ubabb\ud558\ub294 \uac83<\/th><\/tr><\/thead><tbody><tr><td>\uc804\uc6d0<\/td><td>\uc62c\ubc14\ub978 \uc5b4\ub311\ud130, \uc548\uc815\uc801\uc778 \uc804\uc6d0 LED<\/td><td>\ubd80\ud558 \uc0c1\ud0dc\uc5d0\uc11c\uc758 \uc62c\ubc14\ub978 \uc804\uc555 \ub610\ub294 \uc815\uc0c1\uc801\uc778 \ub370\uc774\ud130 \uacbd\ub85c<\/td><\/tr><tr><td>\uad6c\ub9ac A<\/td><td>\uc885\ub2e8\uc810 A \ubc0f \ubcc0\ud658\uae30 A\uc5d0\uc11c\uc758 \ub9c1\ud06c \ubc0f \uc2e4\uc81c \uc18d\ub3c4<\/td><td>\uad11\ucf00\uc774\ube14\uc774\ub098 \uc6d0\uaca9 \uad6c\uac04\uc758 \uad6c\ub9ac\uc120\uc774 \uc815\uc0c1\uc801\uc73c\ub85c \uc791\ub3d9\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/td><\/tr><tr><td>\uc12c\uc720<\/td><td>\ud574\ub2f9 \ubaa8\ub378\uc5d0 \uad11 \ub9c1\ud06c \ud45c\uc2dc \uae30\ub2a5\uc774 \uc788\ub294 \uacbd\uc6b0<\/td><td>\ud504\ub808\uc784 \uc815\ub9ac, \ud2b8\ub798\ud53d \ubc18\ud658 \ub610\ub294 IP \uc11c\ube44\uc2a4<\/td><\/tr><tr><td>\uad6c\ub9ac B<\/td><td>\ubcc0\ud658\uae30 B\uc640 \uc885\ub2e8\uc810 B \uac04\uc758 \uc5f0\uacb0 \ubc0f \uc2e4\uc81c \uc18d\ub3c4<\/td><td>VLAN, \uc8fc\uc18c \uc9c0\uc815 \ub610\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc811\uadfc\uc131<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d5514687\">LED\uc640 \ub77c\ubca8\uc744 \uc0ac\uc9c4\uc73c\ub85c \ucc0d\uace0, \ubd88\ube5b\uc774 \uacc4\uc18d \ucf1c\uc838 \uc788\ub294\uc9c0 \uc544\ub2c8\uba74 \uae5c\ube61\uc774\ub294\uc9c0 \uae30\ub85d\ud558\uc2ed\uc2dc\uc624. \ub77c\ubca8\uc774 \uc5c6\ub294 \ubd88\ube5b\uc758 \uc0c9\uae54\ub9cc \ubcf4\uace0 \uadf8 \uc758\ubbf8\ub97c \ucd94\uce21\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-f1dd2f42\">1. \uc804\uc6d0 \ubc0f \ub450 \uad6c\ub9ac \ucf00\uc774\ube14 \uc5f0\uacb0 \uc0c1\ud0dc \ud655\uc778<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-57a78cf9\">\uac01 \ucee8\ubc84\ud130\uc5d0 \uc9c0\uc815\ub41c \uc804\uc6d0 \uc0ac\uc591\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624. \ud50c\ub7ec\uadf8\uac00 \ud638\ud658\ub418\ub354\ub77c\ub3c4 \uc804\uc555, \uadf9\uc131 \ub610\ub294 \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uc804\ub958\uac00 \ub9de\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uc804\uc6d0 \uacf5\uae09\uc774 \ubd88\uc548\uc815\ud560 \uacbd\uc6b0, \uc601\uad6c\uc801\uc778 \uc815\uc804\ubcf4\ub2e4\ub294 \ubc18\ubcf5\uc801\uc778 \ub9c1\ud06c \uc624\ub958\uac00 \ubc1c\uc0dd\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-f7e2356a\">\uadf8\ub7f0 \ub2e4\uc74c \ub450 \uad6c\ub9ac \ucf00\uc774\ube14 \uad6c\uac04\uc744 \uac01\uac01 \uc810\uac80\ud558\uc2ed\uc2dc\uc624. \uc591\ucabd \ub05d\uc810\uc5d0\uc11c \ubcf4\uace0\ub41c \uc2e4\uc81c \uc791\ub3d9 \uc18d\ub3c4\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624. \u201c\uae30\uac00\ube44\ud2b8\u201d\ub85c \ud310\ub9e4\ub418\ub294 \uc7a5\uce58\uac00 \uc788\ub2e4\uace0 \ud574\uc11c \uc5f0\uacb0\ub41c \ubaa8\ub4e0 \ud3ec\ud2b8\uac00 \ud604\uc7ac 1 Gbps\ub85c \uc791\ub3d9\ud558\uace0 \uc788\ub2e4\ub294 \ubcf4\uc7a5\uc740 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-87e3cda1\">\uc18d\ub3c4\uc640 \ub4c0\ud50c\ub809\uc2a4 \uc124\uc815\uc774 \uac00\ub2a5\ud55c \uacbd\uc6b0, \uc9c0\uc6d0\ub418\ub294 \uc77c\uad00\ub41c \uad6c\uc131\uc73c\ub85c \uc2dc\uc791\ud558\uc2ed\uc2dc\uc624. \ud55c \ucabd\uc744 \uac15\uc81c\ub85c \uc124\uc815\ud558\uace0 \ub2e4\ub978 \ucabd\uc740 \ud611\uc0c1 \ubaa8\ub4dc\ub85c \ub450\uba74 \ub9c1\ud06c \uc131\ub2a5\uc774 \uc800\ud558\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc18d\ub3c4, \ub4c0\ud50c\ub809\uc2a4, \ud750\ub984 \uc81c\uc5b4 \ubc0f \ucf00\uc774\ube14 \uc5f0\uacb0\uc744 \ub3d9\uc2dc\uc5d0 \ubcc0\uacbd\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uae30\uc900 \uc124\uc815\uc744 \uc800\uc7a5\ud574 \ub454 \ud6c4, \ud55c \ubc88\uc5d0 \ud55c \uac00\uc9c0 \ubcc0\uacbd \uc0ac\ud56d\ub9cc \ud1b5\uc81c\ub41c \ubc29\uc2dd\uc73c\ub85c \uc801\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d5f2f69c\">\uc99d\uac70\uac00 \uad6c\ub9ac \ub808\uadf8\ub97c \uac00\ub9ac\ud0a4\ub294 \uacbd\uc6b0, \uc815\uc0c1 \uc791\ub3d9\uc774 \ud655\uc778\ub418\uace0 \uc815\uaca9\uc774 \uc62c\ubc14\ub978 \uad6c\ub9ac \ud328\uce58 \ucf00\uc774\ube14 \ud558\ub098\ub85c \uad50\uccb4\ud558\uc2ed\uc2dc\uc624. \uc804\uccb4 \uad6c\ub9ac \ucc44\ub110\uc774 \uc120\ud0dd\ud55c \uc774\ub354\ub137 \ubaa8\ub4dc\uc758 \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud558\ub3c4\ub85d \uc720\uc9c0\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-f63cdb7d\">2. \ucee4\ub125\ud130\ubfd0\ub9cc \uc544\ub2c8\ub77c \uad11 \uacbd\ub85c\ub3c4 \uc77c\uce58\uc2dc\ucf1c\uc57c \ud569\ub2c8\ub2e4.<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ab87678a\">\ud638\ud658\ub418\ub294 SC \ub610\ub294 LC \ud50c\ub7ec\uadf8\ub77c\uace0 \ud574\uc11c \uad11\ud559\uc801\uc778 \ud638\ud658\uc131\uc774 \ubcf4\uc7a5\ub418\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4. \ub2e4\uc74c \uc0ac\ud56d\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc774\ub354\ub137 PMD \ubc0f \uc591\ucabd \uad11 \ub2e8\ub9d0\uc5d0\uc11c\uc758 \uc2e4\uc81c \uc804\uc1a1 \uc18d\ub3c4<\/li>\n\n\n\n<li>\ub2e8\uc77c\ubaa8\ub4dc \ub610\ub294 \ub2e4\uc911\ubaa8\ub4dc \uad11\uc12c\uc720<\/li>\n\n\n\n<li>\ucee4\ub125\ud130 \uacc4\uc5f4 \ubc0f \ub9c8\uac10 \ucc98\ub9ac; APC\uc640 UPC\ub97c \uc11c\ub85c \uc5f0\uacb0\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624<\/li>\n\n\n\n<li>\uc1a1\uc2e0 \ubc0f \uc218\uc2e0 \ud30c\uc7a5<\/li>\n\n\n\n<li>\ub4c0\ud50c\ub809\uc2a4 \uad11\uc12c\uc720\uc758 \uc1a1\uc2e0(TX)\uacfc \uc218\uc2e0(RX) \uadf9\uc131, \ub610\ub294 \uc62c\ubc14\ub978 \ub2e8\uc77c \uad11\uc12c\uc720 BiDi A\/B \uc30d<\/li>\n\n\n\n<li>\uc218\uc2e0\uae30\uc758 \uc815\ud655\ud55c \ucd5c\uc18c \ubc0f \ucd5c\ub300 \uc791\ub3d9 \uc785\ub825\uc5d0 \ub300\ud55c \uacbd\ub85c \uc190\uc2e4<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-14c3d0c8\">\uadf8\ub9ac\uace0 <a href=\"https:\/\/ieeexplore.ieee.org\/document\/9844436\" target=\"_blank\" rel=\"noopener\">IEEE 802.3-2022 \ud45c\uc900 \uae30\ub85d<\/a> \ub2e4\uc591\ud55c \ub9e4\uccb4\uc640 \uc804\uc1a1 \uc18d\ub3c4\uc5d0 \ub530\ub978 \uc11c\ub85c \ub2e4\ub978 \uc774\ub354\ub137 \ubb3c\ub9ac \uacc4\uce35\uc744 \ub2e4\ub8f9\ub2c8\ub2e4. \ud2b9\uc815 \uc81c\ud488\uc774 \uc5b4\ub5a4 \uc870\ud569\uc744 \uc9c0\uc6d0\ud558\ub294\uc9c0\ub294 \uc5ec\uc804\ud788 \ucee8\ubc84\ud130 \ubc0f \ud2b8\ub79c\uc2dc\ubc84\uc758 \ub370\uc774\ud130 \uc2dc\ud2b8\uc5d0 \ub530\ub77c \uacb0\uc815\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-5006d152\">\uc774\uc911 \ud1b5\uc2e0 \uad11\uc12c\uc720\uc758 \uacbd\uc6b0, \uac01 \ubc29\ud5a5\uc5d0\uc11c \ub85c\uceec \uc1a1\uc2e0(TX) \uc2e0\ud638\uac00 \uc6d0\uaca9 \uc218\uc2e0(RX) \uc7a5\uce58\uc5d0 \ub3c4\ub2ec\ud574\uc57c \ud569\ub2c8\ub2e4. \ub9cc\uc57d <a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ko\/tag\/fiber-link\/\" title=\"Fiber Link\uc758 \ubaa8\ub4e0 \uac8c\uc2dc\ubb3c \ubcf4\uae30\">\uad11\uc12c\uc720 \ub9c1\ud06c<\/a> \uc774 \uc791\uc5c5\uc740 \ubb38\uc11c\ud654\ub41c \uadf9\uc131 \ud14c\uc2a4\ud2b8 \ubaa9\uc801\uc73c\ub85c\ub9cc \uc774\uc911 \uc30d\uc744 \ub4a4\uc9d1\ub294 \uac83\uc774\uba70, \uadf8 \uc678\uc758 \ubaa9\uc801\uc73c\ub85c\ub294 \uc218\ud589\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uc0dd\uc0b0\uc6a9 \uad11\uc12c\uc720\ub97c \ubb34\uc791\uc704\ub85c \uc774\ub3d9\uc2dc\ud0a4\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c6084aa4\">\ub2e8\uc77c \uad11\uc12c\uc720 \uc591\ubc29\ud5a5(BiDi)\uc758 \uacbd\uc6b0, \uc591 \ub05d\ub2e8\uc5d0\uc11c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc0c1\ud638 \ubcf4\uc644\uc801\uc778 \ud30c\uc7a5\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc1a1\uc2e0\/\uc218\uc2e0 \ubc29\ud5a5\uc774 \ub3d9\uc77c\ud55c \ub450 \uc7a5\uce58\uac00 \uc804\uc6d0\uc774 \ucf1c\uc838 \uc788\uc5b4\ub3c4 \uc815\uc0c1\uc801\uc778 \uad11 \uc30d\uc744 \ud615\uc131\ud558\uc9c0 \ubabb\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-df93f1b4\">\uc2b9\uc778\ub41c \uc7a5\ube44\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc811\uadfc \uac00\ub2a5\ud55c \ucee4\ub125\ud130\ub97c \uc810\uac80\ud558\uace0 \uccad\uc18c\ud558\uc2ed\uc2dc\uc624. \ud574\ub2f9 <a href=\"https:\/\/foa.org\/tech\/ref\/testing\/test\/scope.html\" target=\"_blank\" rel=\"noopener\">\uad11\uc12c\uc720 \ud611\ud68c \ucee4\ub125\ud130 \uac00\uc774\ub4dc<\/a> \uc774\ub294 \uacb0\ud569\ub41c \ud398\ub8f0 \uac04\uc5d0 \uc624\uc5fc\uc774 \uc804\ud30c\ub420 \uc218 \uc788\ub294 \uc774\uc720\ub97c \uc124\uba85\ud569\ub2c8\ub2e4. \uc808\ub300\ub85c \uad11\uc12c\uc720\ub098 \uad11 \ud3ec\ud2b8\ub97c \uc9c1\uc811 \ub4e4\uc5ec\ub2e4\ubcf4\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uc804\uc6d0 \uc0c1\ud0dc\ub97c \ud655\uc778\ud558\uace0 \uc801\uc808\ud55c \uc601\uc0c1 \uac80\uc0ac \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-a1c7fd4f\">\uc77c\ubc18\uc801\uc778 dBm \ubc94\uc704\uc5d0\uc11c \uc81c\uacf5\ub41c \ub9c1\ud06c\ub294 \uc2b9\uc778\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. DDM\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \uacbd\uc6b0 \uc9c4\ub2e8 \uc815\ud655\ub3c4\ub97c \ud3ec\ud568\ud558\uc5ec, \uac01 \ubc29\ud5a5\ubcc4\ub85c \uc815\ud655\ud55c \uc1a1\uc2e0\uae30 \ubc0f \uc218\uc2e0\uae30 \uc0ac\uc591\uacfc \ube44\uad50\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-62ccaded\">3. \ud504\ub808\uc784\uc774 \uc591\ubc29\ud5a5\uc73c\ub85c \uc804\ub2ec\ub418\ub294\uc9c0 \ud655\uc778\ud558\uae30<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-2304060d\">\ubaa8\ub4e0 \ub9c1\ud06c \ud45c\uc2dc\ub4f1\uc774 \ucf1c\uc838 \uc788\ub2e4\uba74, LED\ub97c \uacc4\uc18d \uccd0\ub2e4\ubcf4\uc9c0 \ub9d0\uace0 \uce74\uc6b4\ud130 \uac12\uc774 \ubcc0\ud558\ub294\uc9c0 \ud655\uc778\ud558\uc138\uc694.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-e993812b\">\uc9e7\uc740 \uc2b9\uc778\ub41c \ud14c\uc2a4\ud2b8\ub97c \uc218\ud589\ud558\uae30 \uc804\uacfc \ud6c4\uc5d0 \ub450 \uc5d4\ub4dc\ud3ec\uc778\ud2b8 \ud3ec\ud2b8\uc5d0\uc11c \ud0c0\uc784\uc2a4\ud0ec\ud504\uac00 \ud3ec\ud568\ub41c \uc2a4\ub0c5\uc0f7\uc744 \ucd2c\uc601\ud558\uc2ed\uc2dc\uc624. \uc1a1\uc218\uc2e0\ub41c \ud504\ub808\uc784, FCS\/CRC \uc624\ub958, \ub4dc\ub86d, \ub9c1\ud06c \uc774\ubca4\ud2b8 \ubc0f \uc2e4\uc81c \uc804\uc1a1 \uc18d\ub3c4\ub97c \uae30\ub85d\ud558\uc2ed\uc2dc\uc624. \uce74\uc6b4\ud130\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. <strong>\ub378\ud0c0<\/strong>, \uacfc\uac70\uc758 \ub204\uc801 \ud569\uacc4\uac00 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uad00\ucc30<\/th><th>\ub2e4\uc74c\uc5d0 \ud14c\uc2a4\ud2b8\ud560 \uac00\ub2a5\uc131\uc774 \ub192\uc740 \uacb0\ud568 \uc601\uc5ed<\/th><\/tr><\/thead><tbody><tr><td>\uc5d4\ub4dc\ud3ec\uc778\ud2b8 A\ub294 \ub370\uc774\ud130\ub97c \uc804\uc1a1\ud558\uc9c0\ub9cc, \uc5d4\ub4dc\ud3ec\uc778\ud2b8 B\ub294 \uc544\ubb34\uac83\ub3c4 \uc218\uc2e0\ud558\uc9c0 \ubabb\ud569\ub2c8\ub2e4.<\/td><td>A-B \uad6c\ub9ac \ud68c\ub85c, \ubcc0\ud658\uae30, \uad11\ud559 \ubc29\ud5a5 \ub610\ub294 B\uce21 \uc218\uc2e0 \uacbd\ub85c<\/td><\/tr><tr><td>\uad50\ud1b5\uc740 \uc77c\ubc29\ud1b5\ud589\uc73c\ub85c\ub9cc \uc6b4\uc601\ub429\ub2c8\ub2e4<\/td><td>\ub450 \ubc29\ud5a5\uc744 \ubcc4\ub3c4\ub85c \ucc98\ub9ac\ud558\uace0, \uadf9\uc131, BiDi \ud398\uc5b4\ub9c1 \ubc0f \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud55c \uc218\uc2e0 \uacbd\ub85c\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/td><\/tr><tr><td>\uc591\ucabd \uc5d4\ub4dc\ud3ec\uc778\ud2b8 \ubaa8\ub450 \ud504\ub808\uc784\uc744 \uc8fc\uace0\ubc1b\uc9c0\ub9cc, IP \uc8fc\uc18c\ub294 \ub098\ud0c0\ub098\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/td><td>VLAN, DHCP, PPPoE \ub610\ub294 IP \uc124\uc815\uc73c\ub85c \uc804\ud658<\/td><\/tr><tr><td>\ud504\ub808\uc784\uc740 \uc815\uc0c1\uc801\uc73c\ub85c \uc804\uc1a1\ub418\uc9c0\ub9cc FCS\/CRC \uc624\ub958\ub294 \uc99d\uac00\ud55c\ub2e4<\/td><td>\uc218\uc2e0 \ubc29\ud5a5, \uad11\ud559 \uc7a5\uce58, \ucf00\uc774\ube14 \uc5f0\uacb0 \ubc0f \ud638\uc2a4\ud2b8 \ud3ec\ud2b8\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624. \ub2e8\uc21c\ud788 \u2018Link Up\u2019 \uc0c1\ud0dc\ub9cc\uc73c\ub85c\ub294 \ucda9\ubd84\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/td><\/tr><tr><td>\ub9c1\ud06c\uac00 \uacc4\uc18d \ub04a\uc5b4\uc84c\ub2e4\uac00 \ub2e4\uc2dc \uc5f0\uacb0\ub41c\ub2e4<\/td><td>\uc804\uc6d0, \ucf00\uc774\ube14 \uc5f0\uacb0 \uc0c1\ud0dc, \uc628\ub3c4, \uc18d\ub3c4\/\ubaa8\ub4dc \uc9c0\uc6d0 \uc5ec\ubd80 \ubc0f \ubb3c\ub9ac\uc801 \uacbd\ub85c\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-229c05ad\">RX \uc804\ub825\uc774 \uc815\uc0c1\uc73c\ub85c \ubcf4\uc774\uc9c0\ub9cc \uc624\ub958\uac00 \uc99d\uac00\ud558\ub294 \uacbd\uc6b0, LuLeey\uc758 <a href=\"https:\/\/www.luleey.com\/ko\/sfp-crc-errors-with-normal-rx-power-what-to-check\/\">SFP CRC \ubb38\uc81c \ud574\uacb0 \uac00\uc774\ub4dc<\/a> \ub2e8 \ud55c \ubc88\uc758 \uce21\uc815 \uacb0\uacfc\ub9cc\uc73c\ub85c \uad11\ud559 \uc7a5\uce58\uac00 \uacb0\ud568\uc774 \uc788\ub2e4\uace0 \ud310\ub2e8\ud558\uc9c0 \uc54a\uace0, \ubd88\ub7c9 \ud504\ub808\uc784\uc758 \ubc29\ud5a5\uc744 \ucd94\uc801\ud558\uae30 \uc704\ud574.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-138a3e19\">4. \ubcc0\ud658\uae30\uac00 \uc2e4\uc81c\ub85c \ubb34\uc5c7\uc744 \ubcc0\ud658\ud560 \uc218 \uc788\ub294\uc9c0 \ud655\uc778\ud558\uae30<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-0e86dc80\">\uc77c\ubd80 \ubbf8\ub514\uc5b4 \ucee8\ubc84\ud130\ub294 \uad6c\ub9ac\uc120\uacfc \uad11\uc12c\uc720 \uac04\uc5d0 \ud558\ub098\uc758 \uc774\ub354\ub137 \ubaa8\ub4dc\ub97c \uc5f0\uacb0\ud574 \uc90d\ub2c8\ub2e4. \ub2e4\ub978 \uc81c\ud488\ub4e4\uc740 \uc2a4\uc704\uce58 \uae30\ub2a5\uc744 \uac16\ucd94\uace0 \uc788\uac70\ub098 \ud638\uc2a4\ud2b8 \uce21\uc758 \uc5ec\ub7ec \uc804\uc1a1 \uc18d\ub3c4\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4. \ub450 \ub9c1\ud06c\uac00 \ubaa8\ub450 \ub179\uc0c9\uc73c\ub85c \ud45c\uc2dc\ub41c\ub2e4\uace0 \ud574\uc11c \ubaa8\ub4e0 \uc7a5\uce58\uac00 \uc784\uc758\uc758 \uc18d\ub3c4 \ubcc0\ud658\uc744 \uc218\ud589\ud55c\ub2e4\uace0 \uac00\uc815\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-9fb3e27c\">\uace0\uc815 \uad11\ud559 \ubc29\uc2dd \ucee8\ubc84\ud130\uc758 \uacbd\uc6b0, \ub0b4\uc7a5\ub41c \uad11\ud559 PMD \ubc0f \uad6c\ub9ac \ubaa8\ub4dc\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624. SFP \uae30\ubc18 \ucee8\ubc84\ud130\uc758 \uacbd\uc6b0, \uc815\ud655\ud55c \ubaa8\ub4c8, \ubaa8\ub4c8 \ucf54\ub529, \ucee8\ubc84\ud130 \uce69\uc14b\/PHY, \ud38c\uc6e8\uc5b4, \uc2ac\ub86f \uc804\uae30 \ubaa8\ub4dc \ubc0f \ud3ec\ud2b8 \uc124\uc815\ub3c4 \ud568\uaed8 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ccc088b9\">SFP, SFP+ \ub610\ub294 SFP28\uc774\ub77c\ub294 \uba85\uce6d\uc740 \ud3fc \ud329\ud130 \uc81c\ud488\uad70\uc744 \uc9c0\uce6d\ud560 \ubfd0, \uc644\uc804\ud55c \ud638\ud658\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4. \ubb3c\ub9ac\uc801 \ud638\ud658\uc131, \ud638\uc2a4\ud2b8 SerDes \ubaa8\ub4dc, \ud611\uc0c1\ub418\uac70\ub098 \uad6c\uc131\ub41c \uc804\uc1a1 \uc18d\ub3c4, \uc0ac\uc6a9 \uac00\ub2a5\ud55c \ucc98\ub9ac\ub7c9\uc740 \uac01\uac01 \ubcc4\ub3c4\ub85c \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c0f2cff1\">2.5G PON ONU \uc2a4\ud2f1\uc758 \uacbd\uc6b0\uc5d0\ub3c4 \ub3d9\uc77c\ud55c \uc8fc\uc758 \uc0ac\ud56d\uc774 \uc801\uc6a9\ub429\ub2c8\ub2e4. 1G \ub610\ub294 10G\ub85c \ud45c\uc2dc\ub41c \ud3ec\ud2b8\ub294 \uc591\ucabd \ubaa8\ub450 \ud638\ud658 \uac00\ub2a5\ud55c 1G \ud638\uc2a4\ud2b8 \ubaa8\ub4dc\ub97c \uc9c0\uc6d0\ud558\ub294 \uacbd\uc6b0\uc5d0\ub9cc \uc2a4\ud2f1\uacfc \ud568\uaed8 1G\ub85c \uc791\ub3d9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc77c\ubd80 SFP+ \ud638\uc2a4\ud2b8\ub294 \uc801\uc808\ud55c \uce69\uc14b, PHY, \ud38c\uc6e8\uc5b4 \ubc0f \uc124\uc815\uc744 \ud1b5\ud574 2.5G\ub97c \uc9c0\uc6d0\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \ucf00\uc774\uc9c0 \ub77c\ubca8\ub9cc \ubcf4\uace0 \ud310\ub2e8\ud558\uc9c0 \ub9d0\uace0, \uc815\ud655\ud55c \ucee8\ubc84\ud130 \ubaa8\ub378, \ud638\uc2a4\ud2b8 \ubaa8\ub4dc, \ubaa8\ub4c8 \ucf54\ub529, \ud38c\uc6e8\uc5b4\/\ub4dc\ub77c\uc774\ubc84 \ubc0f \uc2e4\uc81c \uc804\uc1a1 \uc18d\ub3c4\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-b1649a57\">5. \ud504\ub808\uc784\uc774 \ud1b5\uacfc\ud55c \ud6c4 VLAN \ubc0f \ub124\ud2b8\uc6cc\ud06c \uc11c\ube44\uc2a4 \ud655\uc778<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-9d530b33\">\uae30\ubcf8\uc801\uc778 \ube44\uad00\ub9ac\ud615 \ubbf8\ub514\uc5b4 \ucee8\ubc84\ud130\ub294 \uc77c\ubc18\uc801\uc73c\ub85c IP \uc8fc\uc18c\ub97c \uc0dd\uc131\ud558\uc9c0 \uc54a\uc73c\uba70, \uc11c\ube0c\ub137 \uac04 \ub77c\uc6b0\ud305\uc744 \uc218\ud589\ud558\uc9c0\ub3c4 \uc54a\uace0, VLAN \ubd88\uc77c\uce58 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uc9c0\ub3c4 \uc54a\uc2b5\ub2c8\ub2e4. \ud504\ub808\uc784\uc774 \uc591\ubc29\ud5a5\uc73c\ub85c \ud1b5\uacfc\ub418\uba74 \uc2a4\ud0dd\uc758 \uc0c1\uc704 \uacc4\uce35\uc73c\ub85c \uacc4\uc18d \uc9c4\ud589\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-e9afa240\">\ud655\uc778:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc591\ucabd \uc5d4\ub4dc\ud3ec\uc778\ud2b8 \ud3ec\ud2b8\uc5d0\uc11c \uc561\uc138\uc2a4 VLAN\uacfc \ud0dc\uadf8 VLAN\uc5d0 \ub300\ud55c \uae30\ub300\uce58 \ube44\uad50<\/li>\n\n\n\n<li>\ud544\uc694\ud55c VLAN\uc744 \ud544\ud130\ub9c1\ud558\ub294 \uac83\uc774 \uad00\ub9ac\ud615 \ucee8\ubc84\ud130\uc778\uc9c0, \uc544\ub2c8\uba74 \uc2a4\uc704\uce58\uc778\uc9c0 \uc5ec\ubd80<\/li>\n\n\n\n<li>STP, \ub9c1\ud06c \uc9d1\uacc4, \ud3ec\ud2b8 \ubcf4\uc548 \ub610\ub294 \ub8e8\ud504 \ubc29\uc9c0 \uc0c1\ud0dc<\/li>\n\n\n\n<li>\ub300\uc0c1 VLAN\uc5d0\uc11c DHCP \ub610\ub294 PPPoE \uc0ac\uc6a9 \uac00\ub2a5 \uc5ec\ubd80<\/li>\n\n\n\n<li>\uace0\uc815 IP \uc8fc\uc18c, \uc11c\ube0c\ub137 \ub9c8\uc2a4\ud06c, \uae30\ubcf8 \uac8c\uc774\ud2b8\uc6e8\uc774 \ubc0f DNS \uc124\uc815<\/li>\n\n\n\n<li>\ud638\uc2a4\ud2b8 \uc774\ub984\uc774\ub098 \ud14c\uc2a4\ud2b8 \uc7a5\uce58\uac00 Wi-Fi\uc640 \uac19\uc740 \ub2e4\ub978 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc0ac\uc6a9\ud558\uace0 \uc788\ub294\uc9c0 \uc5ec\ubd80<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-2d441c97\">IEEE 802.1Q\ub294 \ube0c\ub9ac\uc9c0 \ub124\ud2b8\uc6cc\ud06c\uc640 VLAN\uc744 \uc815\uc758\ud558\uba70, <a href=\"https:\/\/ieeexplore.ieee.org\/document\/10004498\" target=\"_blank\" rel=\"noopener\">IEEE 802.1Q-2022 \uae30\ub85d<\/a> \ub294 \uad00\ub828 \ud45c\uc900\uc5d0 \ub300\ud55c \ucc38\uc870\uc785\ub2c8\ub2e4. \ubb3c\ub9ac\uc801 \ub9c1\ud06c \ud45c\uc2dc\ub9cc\uc73c\ub85c\ub294 \ub450 \ud3ec\ud2b8\uac00 \ub3d9\uc77c\ud55c \uc804\ub2ec \uc11c\ube44\uc2a4\uc5d0 \uc18d\ud55c\ub2e4\ub294 \uc0ac\uc2e4\uc744 \uc785\uc99d\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-fb9a77e2\">\ud14c\uc2a4\ud2b8 \uc2dc\uc5d0\ub294 \uc758\ub3c4\ud55c \uc720\uc120 IP \uc8fc\uc18c\uc640 \ub3d9\uc77c\ud55c \uc11c\ube44\uc2a4 \ub0b4\uc758 \uc54c\ub824\uc9c4 \uc5d4\ub4dc\ud3ec\uc778\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. \uc778\ud130\ub137 \ud14c\uc2a4\ud2b8\uc5d0\uc11c \uc2e4\ud328\ud55c \uacb0\uacfc\ub9cc\uc73c\ub85c\ub294 \ucee8\ubc84\ud130\uc640 \ub77c\uc6b0\ud130, DNS, \ubc29\ud654\ubcbd \ub610\ub294 \uc0c1\ub958 \uacf5\uae09\uc790\ub97c \uad6c\ubd84\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-wd-image wd-block-image wd-333f17ab\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" class=\"wp-image-22328\" src=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/media-converter-troubleshooting-flow.png\" alt=\"\" title=\"\" srcset=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/media-converter-troubleshooting-flow.png 1000w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/media-converter-troubleshooting-flow-800x800.png 800w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/media-converter-troubleshooting-flow-400x400.png 400w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/media-converter-troubleshooting-flow-768x768.png 768w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/media-converter-troubleshooting-flow-12x12.png 12w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/media-converter-troubleshooting-flow-150x150.png 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/div>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-2f8e287d\">6. \uccab \ubc88\uc9f8 \uc624\ub958\uac00 \ubc1c\uc0dd\ud55c \uc138\uadf8\uba3c\ud2b8\ub97c \ubd84\ub9ac\ud55c\ub2e4<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-7779d531\">\uc54c \uc218 \uc5c6\ub294 \ubcc0\uc218 \ud558\ub098\ub97c \uc81c\uac70\ud560 \uc218 \uc788\ub294, \ubc29\ud574\uac00 \uac00\uc7a5 \uc801\uc740 \ud14c\uc2a4\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\uc6d0\ub798\uc758 \ud1a0\ud3f4\ub85c\uc9c0, \uc124\uc815, LED \uc0c1\ud0dc \ubc0f \uce74\uc6b4\ud130 \uac12\uc744 \uc800\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc804\uc6d0 \uacf5\uae09\uc774 \uc548\uc815\uc801\uc778\uc9c0, \ub450 \uad6c\ub9ac \uc5f0\uacb0\uc120\uc774 \ubaa8\ub450 \uc815\uc0c1\uc778\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li>\uad11\ud559 PMD, \uad11\uc12c\uc720, \uc5f0\ub9c8 \uc0c1\ud0dc, \uadf9\uc131 \ub610\ub294 BiDi \ud398\uc5b4\ub9c1, \uadf8\ub9ac\uace0 \uc804\ub825 \uc81c\ud55c\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li>\ud504\ub808\uc784\uacfc \uce74\uc6b4\ud130 \ubcc0\uacbd \uc0ac\ud56d\uc774 \uc591\ucabd \ub05d\uc810\uc5d0\uc11c \ubaa8\ub450 \ub098\ud0c0\ub098\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li>\ud504\ub808\uc784\uc774 \uc815\uc0c1\uc801\uc73c\ub85c \ud1b5\uacfc\ud55c\ub2e4\uba74, \uad11 \ubaa8\ub4c8\uc744 \uad50\uccb4\ud558\uae30\ubcf4\ub2e4\ub294 VLAN \ubc0f IP \uc11c\ube44\uc2a4\ub97c \uc810\uac80\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li>\uc2b9\uc778\ub41c \uc815\ube44 \uc2dc\uac04 \ub0b4\uc5d0 \uc815\uc0c1 \uc791\ub3d9\uc774 \ud655\uc778\ub418\uace0 \uc0ac\uc591\uc774 \uc815\ud655\ud55c \ubd80\ud488 \ud558\ub098\ub9cc \uad50\uccb4\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li>\ub3d9\uc77c\ud55c \ud655\uc778 \uc808\ucc28\ub97c \ubc18\ubcf5\ud558\uace0, \uc644\ub8cc\ub418\uba74 \uc2b9\uc778\ub41c \uad6c\uc131\uc73c\ub85c \ubcf5\uc6d0\ud558\uc2ed\uc2dc\uc624.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-311c2ab6\">\ub85c\uceec \uc9c1\uc811 \ud14c\uc2a4\ud2b8\ub97c \ud1b5\ud574 \ubb38\uc81c\uc758 \ubc94\uc704\ub97c \uc881\ud790 \uc218\ub294 \uc788\uc9c0\ub9cc, \uc774\uac83\uc774 \uc0dd\uc0b0 \uacbd\ub85c\ub97c \uac80\uc99d\ud574 \uc8fc\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4. \ub9c8\ucc2c\uac00\uc9c0\ub85c, \uc11c\ub85c \ub2e4\ub978 \uc885\ub2e8\uc810\uc744 \uac00\uc9c4 \ubca4\uce58 \ud658\uacbd\uc5d0\uc11c \uc791\ub3d9\ud558\ub294 \ucee8\ubc84\ud130\uac00 \uc6d0\ub798\uc758 \ud3ec\ud2b8 \ubaa8\ub4dc \ubc0f \uc11c\ube44\uc2a4 \uc124\uacc4\uc640 \uc790\ub3d9\uc73c\ub85c \ud638\ud658\ub418\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-899172a1\">LuLeey \ubbf8\ub514\uc5b4 \ucee8\ubc84\ud130\uc758 \uc801\uc6a9 \ubd84\uc57c<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-0e71f1d0\">LuLeey\u2019s <a href=\"https:\/\/www.luleey.com\/ko\/product-category\/fiber-optic-transceiver\/copper-to-fiber-media-converters\/\">\uad6c\ub9ac-\uad11\uc12c\uc720 \ubbf8\ub514\uc5b4 \ucee8\ubc84\ud130 \uc81c\ud488\uad70<\/a> \ub2e4\uc591\ud55c \uc804\uc1a1 \uc18d\ub3c4\ub97c \uc9c0\uc6d0\ud558\ub294 \uace0\uc815\ud615 \uad11\ud559 \ubaa8\ub4c8 \ubc0f \ud50c\ub7ec\uadf8\uc778\ud615 \ubaa8\ub4c8 \uc124\uacc4\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ucee4\ub125\ud130\uc758 \uc678\uad00\ub9cc \ubcf4\uace0 \uc120\ud0dd\ud558\uc9c0 \ub9d0\uace0, \uc804\uccb4 \uacbd\ub85c\ub97c \uace0\ub824\ud558\uc5ec \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8c14f315\">\uad6c\uccb4\uc801\uc778 \uc608\ub97c \ub4e4\uc790\uba74, <a href=\"https:\/\/www.luleey.com\/ko\/product\/1000m-mini-smf-sc-bidi-fiber-media-converter\/\">LL-BDMC1000 \uace0\uc815\ud615 SC \uc591\ubc29\ud5a5 \ubcc0\ud658\uae30<\/a> \uc774 \uc81c\ud488\uc740 \ub2e8\uc77c \ubaa8\ub4dc SC\/UPC \uad11 \uc778\ud130\ud398\uc774\uc2a4, \uc0c1\ud638 \ubcf4\uc644\uc801\uc778 1310\/1550 nm A\/B \uc30d, \ucd5c\ub300 20 km\uc758 \uc804\uc1a1 \uac70\ub9ac\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4. \uc774 \uc81c\ud488\uc740 SFP \ucf00\uc774\uc9c0\uac00 \uc544\ub2cc \uace0\uc815\ud615 \uad11 \ucee8\ubc84\ud130\uc774\ubbc0\ub85c, PON ONU \uc2a4\ud2f1\uc758 \ud638\uc2a4\ud2b8\ub85c \uac04\uc8fc\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-4be9ec6b\">\ud604\uc7ac \uc774 \ud398\uc774\uc9c0\uc5d0\ub294 \uad6c\ub9ac \uae08\ub9ac\uc5d0 \ub300\ud55c \ub450 \uac00\uc9c0 \uc11c\ub85c \ub2e4\ub978 \uc124\uba85\uc774 \ub098\uc640 \uc788\uc2b5\ub2c8\ub2e4\u2014<code>10\/100\/1000 Mbps<\/code> \ud55c \uc139\uc158\uc5d0\uc11c \uadf8\ub9ac\uace0 <code>100\/1000M \uc790\ub3d9 \uac10\uc9c0<\/code> \uc0ac\uc591\ud45c\uc5d0\uc11c \ud655\uc778\ud558\uc2ed\uc2dc\uc624. \uad6c\ub9e4 \ub610\ub294 \ubc30\ud3ec \uc804\uc5d0 LuLeey\ub97c \ud1b5\ud574 \uc815\ud655\ud55c \ud558\ub4dc\uc6e8\uc5b4 \ub9b4\ub9ac\uc2a4 \ubc84\uc804\uacfc \uc9c0\uc6d0\ub418\ub294 \uad6c\ub9ac \ubaa8\ub4dc\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624. \ub610\ud55c \uc774 \ud398\uc774\uc9c0\uc5d0\ub294 \uc644\uc804\ud55c \uad11 \ucd9c\ub825 \ubc94\uc704 \uc815\ubcf4\uac00 \uacf5\uac1c\ub418\uc5b4 \uc788\uc9c0 \uc54a\uc73c\ubbc0\ub85c, \uac70\ub9ac \ud45c\uae30\ub9cc\uc73c\ub85c\ub294 \ud2b9\uc815 \uacbd\ub85c\uc5d0 \ub300\ud55c \uc218\uc6a9 \ud14c\uc2a4\ud2b8 \uae30\uc900\uc73c\ub85c \uc0bc\uc744 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>\uc99d\uac70\ub97c \uc138\ubd84\ud654\ud558\uc5ec \uadf8\uac83\uc774 \uc785\uc99d\ud558\uc9c0 \ubabb\ud558\ub294 \uc0ac\ud56d\uc744 \uae30\ub85d\ud558\uc2ed\uc2dc\uc624. \uc804\uc6d0: \uc62c\ubc14\ub978 \uc5b4\ub311\ud130, \uc548\uc815\uc801\uc778 \uc804\uc6d0 LED, \ubd80\ud558 \uc2dc \uc62c\ubc14\ub978 \uc804\uc555 \ub610\ub294<\/p>","protected":false},"author":1,"featured_media":22329,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1077],"tags":[31,1673,1672,1674,1671,1675,1676],"class_list":["post-22327","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-problem-cases","tag-bidi","tag-ethernet-troubleshooting","tag-fiber-link","tag-fiber-media-converter","tag-link-light","tag-no-network","tag-rj45-to-fiber"],"_links":{"self":[{"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/posts\/22327","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=22327"}],"version-history":[{"count":1,"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/posts\/22327\/revisions"}],"predecessor-version":[{"id":22330,"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/posts\/22327\/revisions\/22330"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/media\/22329"}],"wp:attachment":[{"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/media?parent=22327"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/categories?post=22327"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/tags?post=22327"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}