{"id":21996,"date":"2026-08-29T14:42:22","date_gmt":"2026-08-29T06:42:22","guid":{"rendered":"https:\/\/www.luleey.com\/?p=21996"},"modified":"2026-08-30T00:06:43","modified_gmt":"2026-08-29T16:06:43","slug":"sfp-receiver-overload-can-optical-power-be-too-high","status":"publish","type":"post","link":"https:\/\/www.luleey.com\/ko\/sfp-receiver-overload-can-optical-power-be-too-high\/","title":{"rendered":"SFP \uc218\uc2e0\uae30 \uacfc\ubd80\ud558: \uad11 \ucd9c\ub825\uc774 \ub108\ubb34 \ub192\uc744 \uc218\ub3c4 \uc788\uc744\uae4c?"},"content":{"rendered":"<p class=\"wp-block-wd-paragraph wd-dc8b151e\">\ub124. <a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ko\/tag\/optical-power\/\" title=\"\u2018\uad11 \ucd9c\ub825\u2019 \uce74\ud14c\uace0\ub9ac\uc758 \ubaa8\ub4e0 \uac8c\uc2dc\ubb3c \ubcf4\uae30\">\uad11 \ucd9c\ub825<\/a> SFP \uc218\uc2e0\uae30 \uae30\uc900\uc73c\ub85c\ub294 \ub108\ubb34 \ub192\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. A <strong><a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ko\/tag\/sfp-receiver-overload\/\" title=\"SFP \uc218\uc2e0\uae30 \uacfc\ubd80\ud558 \uad00\ub828 \uac8c\uc2dc\ubb3c \ubaa8\ub450 \ubcf4\uae30\">SFP \uc218\uc2e0\uae30 \uacfc\ubd80\ud558<\/a><\/strong> \uc218\uc2e0\uae30\ub85c \ub4e4\uc5b4\uc624\ub294 \uad11 \uc2e0\ud638\uc758 \uac15\ub3c4\uac00 \ud574\ub2f9 \ubaa8\ub4c8\uc5d0 \uc9c0\uc815\ub41c \ucd5c\ub300 \uc791\ub3d9 \uc785\ub825 \uac12\uc744 \ucd08\uacfc\ud560 \ub54c \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc774 \uacbd\uc6b0 \uc218\uc2e0\uae30\uac00 \ud3ec\ud654 \uc0c1\ud0dc\uc5d0 \ube60\uc9c8 \uc218 \uc788\uc73c\uba70, \ucda9\ubd84\ud55c \uad11 \uc2e0\ud638\uac00 \uacf5\uae09\ub418\uace0 \uc788\uc74c\uc5d0\ub3c4 \uc624\ub958\uac00 \ubc1c\uc0dd\ud558\uac70\ub098 \ub9c1\ud06c\uac00 \ubd88\uc548\uc815\ud574\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ee691392\">\uc774 \ubb38\uc81c\ub294 \uc8fc\ub85c \ub9e4\uc6b0 \uc9e7\uace0 \uc190\uc2e4\uc774 \uc801\uc740 \uacbd\ub85c\uc5d0\uc11c \uace0\ucd9c\ub825 \uc7a5\uac70\ub9ac \ub2e8\uc77c \ubaa8\ub4dc \ud2b8\ub79c\uc2dc\ubc84\ub97c \uc0ac\uc6a9\ud560 \ub54c \ubc1c\uc0dd\ud558\uae30 \uc27d\uc2b5\ub2c8\ub2e4. \ub610\ud55c \ud14c\uc2a4\ud2b8 \ubca4\uce58, \uc9c1\uc811 \ud328\uce58 \ucf54\ub4dc \uc5f0\uacb0, \uc798\ubabb \uc124\uacc4\ub41c \ub9c1\ud06c\uc5d0\uc11c \ub098\ud0c0\ub0a0 \uc218 \uc788\uc73c\uba70, \ucf00\uc774\ube14 \uc124\ube44\uac00 \uac04\uc18c\ud654\ub418\uc5b4 \uae30\uc874 \uac10\uc1e0\ub7c9\uc758 \uc0c1\ub2f9 \ubd80\ubd84\uc774 \uc0ac\ub77c\uc9c4 \ud6c4\uc5d0\ub3c4 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ca0c523b\">\uc548\uc804\ud55c \ub300\uc751 \ubc29\ubc95\uc740 \ubb34\uc791\uc815 \uc120\ud0dd\ud558\uc9c0 \uc54a\ub294 \uac83\uc785\ub2c8\ub2e4.<a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ko\/tag\/dom\/\" title=\"DOM\uc758 \ubaa8\ub4e0 \uac8c\uc2dc\ubb3c \ubcf4\uae30\">DOM<\/a> \uac10\uc1e0\uae30. \uba3c\uc800 \uc1a1\uc2e0\uae30\uc640 \uc218\uc2e0\uae30\uc758 \uc815\ud655\ud55c \uc0ac\uc591\uc744 \ud655\uc778\ud558\uace0, \uc218\uc2e0 \uc804\ub825\uc744 \ud655\uc778\ud558\uac70\ub098 \uce21\uc815\ud55c \ub2e4\uc74c, \ud544\uc694\ud55c \uc190\uc2e4\ub7c9\uc744 \uacc4\uc0b0\ud558\uace0, \uc218\uc2e0\uae30 \uadfc\ucc98\uc5d0 \ud30c\uc7a5 \ubc0f \ucee4\ub125\ud130\uc640 \ud638\ud658\ub418\ub294 \uac10\uc1e0\uae30\ub97c \uc124\uce58\ud55c \ud6c4 \ub2e4\uc2dc \uce21\uc815\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<div class=\"wp-block-wd-image wd-block-image wd-3013fc9f\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" class=\"wp-image-22003\" src=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-receiver-overload-hero.png\" alt=\"\" title=\"\" srcset=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-receiver-overload-hero.png 1000w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-receiver-overload-hero-800x800.png 800w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-receiver-overload-hero-400x400.png 400w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-receiver-overload-hero-768x768.png 768w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-receiver-overload-hero-12x12.png 12w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-receiver-overload-hero-150x150.png 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/div>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-1f647ce6\"><\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-0e436631\">SFP \uc218\uc2e0\uae30 \uacfc\ubd80\ud558: \uc2e0\uc18d\ud55c \uc9c4\ub2e8<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\ubc1c\uacac<\/th><th>\uadf8 \uc758\ubbf8\ub294 \ubb34\uc5c7\uc778\uac00<\/th><th>\ub2e4\uc74c \uc870\uce58<\/th><\/tr><\/thead><tbody><tr><td><a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ko\/tag\/rx-power\/\" title=\"Rx Power\uc758 \ubaa8\ub4e0 \uac8c\uc2dc\ubb3c \ubcf4\uae30\">Rx \ud30c\uc6cc<\/a> \uc218\uc2e0\uae30 \uac10\ub3c4\ubcf4\ub2e4 \ub0ae\ub2e4<\/td><td>\uc2e0\ud638\uac00 \ub108\ubb34 \uc57d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4<\/td><td>\uacfc\ub3c4\ud55c \uc190\uc2e4, \uc624\uc5fc, \uad6c\ubd80\ub7ec\uc9d0, \ubd88\ub7c9\ud55c \uc811\uc18d\ubd80 \ub610\ub294 \ubd88\ucda9\ubd84\ud55c \ub9c1\ud06c \uc608\uc0b0\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/td><\/tr><tr><td>Rx \uc804\ub825\uc774 \uc791\ub3d9 \ubc94\uc704 \ub0b4\uc5d0 \uc788\uc2b5\ub2c8\ub2e4<\/td><td>\ud30c\uc6cc \ub808\ubca8\uc774 \uadf8\ub7f4\ub4ef\ud574 \ubcf4\uc778\ub2e4<\/td><td>\uc804\uc1a1 \uc18d\ub3c4, \ud30c\uc7a5, \uad11\uc12c\uc720, \ud3b8\ud30c, \ucf54\ub529 \ubc29\uc2dd, \uc624\ub958 \ubc0f \ud638\uc2a4\ud2b8 \ud638\ud658\uc131\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/td><\/tr><tr><td>Rx \uc804\ub825\uc774 \uacfc\ubd80\ud558 \ud55c\uacc4\uce58\ub97c \ucd08\uacfc\ud588\uc2b5\ub2c8\ub2e4.<\/td><td>\uc218\uc2e0\uae30\uac00 \ubcf4\uc7a5\ub41c \uc791\ub3d9 \ubc94\uc704\ub97c \ubc97\uc5b4\ub0ac\uc2b5\ub2c8\ub2e4.<\/td><td>\uacc4\uc0b0\ub41c \uac10\uc1e0\ub7c9\uc744 \ub354\ud55c \ud6c4 \ub2e4\uc2dc \ud14c\uc2a4\ud2b8\ud558\uc2ed\uc2dc\uc624<\/td><\/tr><tr><td>Rx \ud30c\uc6cc\uac00 \ud53c\ud574 \uc784\uacc4\uce58\uc5d0 \uadfc\uc811\ud558\uac70\ub098 \uc774\ub97c \ucd08\uacfc\ud569\ub2c8\ub2e4.<\/td><td>\ud558\ub4dc\uc6e8\uc5b4 \uad00\ub828 \uc704\ud5d8\uc774 \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4<\/td><td>\uc2dc\ud5d8\uc744 \uc911\ub2e8\ud558\uace0 \ubaa8\ub4c8 \uacf5\uae09\uc5c5\uccb4\uac00 \uc815\ud55c \uc81c\ud55c \uc0ac\ud56d \ubc0f \uc548\uc804 \uc808\ucc28\ub97c \ub530\ub974\uc2ed\uc2dc\uc624.<\/td><\/tr><tr><td><a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ko\/tag\/ddm\/\" title=\"DDM\uc758 \ubaa8\ub4e0 \uac8c\uc2dc\ubb3c \ubcf4\uae30\">DDM<\/a> \uace0\uacbd\ubcf4\uac00 \ud45c\uc2dc\ub418\uc9c0\ub9cc \uc678\ubd80 \uacc4\uce21\uae30\uc758 \uce21\uc815\uac12\uc740 \uc774\uc640 \uc77c\uce58\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/td><td>\uc77d\uae30, \ubcf4\uc815 \ub610\ub294 \uce21\uc815 \uc124\uc815\uc774 \uc798\ubabb\ub418\uc5c8\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/td><td>\ud30c\uc7a5, \uacc4\uce21\uae30 \uc124\uc815, \ubaa8\ub4c8 \uc9c4\ub2e8 \ubc0f \uce21\uc815 \uc9c0\uc810\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-6310798a\">\u201c\uacfc\ubd80\ud558\u201d\uc640 \u201c\uc190\uc0c1 \uc784\uacc4\uce58\u201d\ub294 \uc11c\ub85c \ub2e4\ub978 \uc0ac\uc591\uc785\ub2c8\ub2e4. \uacfc\ubd80\ud558 \uac12\uc740 \uc218\uc2e0\uae30\uc758 \uc815\uc0c1 \uc791\ub3d9 \uc0c1\ud55c\uc120\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ubcc4\ub3c4\ub85c \uc9c0\uc815\ub41c \uc190\uc0c1 \uc784\uacc4\uce58\ub294 \uc218\uc2e0\uae30\uac00 \uc808\ub300 \ub178\ucd9c\ub418\uc5b4\uc11c\ub294 \uc548 \ub418\ub294 \ub354 \ub192\uc740 \uc785\ub825 \uc218\uc900\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-509dc06c\">\uadf8\ub4e4 \uc0ac\uc774\uc758 \uac04\uaca9\uc744 \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uc791\ub3d9 \ubc94\uc704\ub85c \uac04\uc8fc\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-ce6c59ef\">\ube5b\uc774 \ub108\ubb34 \ub9ce\uc73c\uba74 \uad11\uc12c\uc720 \ub9c1\ud06c \uc131\ub2a5\uc774 \uc800\ud558\ub418\ub294 \uc774\uc720<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-47e12eb7\">\uad11 \uc218\uc2e0\uae30\ub294 \uad11 \ud384\uc2a4\ub97c \uc804\uae30 \uc2e0\ud638\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4. \uc774 \uc218\uc2e0\uae30\ub294 \uc7a1\uc74c \uc18d\uc5d0\uc11c 1\uacfc 0\uc744 \uad6c\ubcc4\ud558\uae30 \uc704\ud574 \ucda9\ubd84\ud55c \ube5b\uc774 \ud544\uc694\ud558\uc9c0\ub9cc, \uad11\uac80\ucd9c\uae30\uc640 \uc99d\ud3ed\uae30\uc758 \uc791\ub3d9 \ubc94\uc704\ub3c4 \ud55c\uc815\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8f46fdfe\">\uc2e0\ud638\uac00 \uc57d\ud55c \ucabd\uc5d0\uc11c\ub294 \uc218\uc2e0\uae30\uac00 \uac10\ub3c4 \ud55c\uacc4\uc5d0 \uac00\uae4c\uc6cc\uc838 \ube44\ud2b8 \uc624\ub958\uc728\uc774 \ub192\uc544\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2e0\ud638\uac00 \uac15\ud55c \ucabd\uc5d0\uc11c\ub294 \uc218\uc2e0\uae30\uac00 \ud3ec\ud654 \uc0c1\ud0dc\uc5d0 \uc774\ub974\ub7ec \ud30c\ud615\uc774 \uc65c\uace1\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-149142a6\">\uad11\uc12c\uc720 \ud611\ud68c(Fiber Optic Association)\ub294 \uc774 \ub450 \uac00\uc9c0 \ud55c\uacc4\ub97c \uc218\uc2e0\uae30 \uac10\ub3c4\uc640 \uc218\uc2e0\uae30 \uacfc\ubd80\ud558\ub85c \uc815\uc758\ud569\ub2c8\ub2e4. \uc218\uc2e0 \uc804\ub825\uc774 \ubd80\uc871\ud558\uac70\ub098 \uacfc\ub3c4\ud560 \uacbd\uc6b0 \ube44\ud2b8 \uc624\ub958\uac00 \uc99d\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/www.thefoa.org\/tech\/ref\/appln\/attenuators.html\" target=\"_blank\" rel=\"noopener\">FOA: \uad11\uc12c\uc720 \ub370\uc774\ud130 \ub9c1\ud06c\uc5d0\uc11c \uac10\uc1e0\uae30 \uc0ac\uc6a9<\/a><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-dbe90562\">\uc774\ub294 \uc9c1\uad00\uc801\uc774\uc9c0 \uc54a\uc740 \uacb0\uacfc\ub97c \uc124\uba85\ud574 \uc90d\ub2c8\ub2e4. \uc989, \uc2e0\ud638\uac00 \uac15\ud558\ub2e4\uace0 \ud574\uc11c \ud56d\uc0c1 \ub354 \uc88b\uc740 \uc2e0\ud638\uc778 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4. \ubaa9\ud45c\ub294 \uc218\uc2e0 \uc804\ub825\uc744 \uc9c0\uc815\ub41c \uc791\ub3d9 \ubc94\uc704 \ub0b4\uc5d0 \uc548\uc815\uc801\uc73c\ub85c \uc720\uc9c0\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-c125db07\">\uc218\uc2e0\uae30 \uac10\ub3c4, \uacfc\ubd80\ud558 \ubc0f \uc190\uc0c1 \uc784\uacc4\uac12<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-733038ff\">\uc774 \uc138 \uac00\uc9c0 \uc22b\uc790\ub294 \uac01\uae30 \ub2e4\ub978 \uc9c8\ubb38\uc5d0 \ub300\ud55c \ub2f5\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-d2a05a6e\">\uc218\uc2e0\uae30 \uac10\ub3c4<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-65b0d489\">\uc218\uc2e0\uae30 \uac10\ub3c4\ub294 \ubaa8\ub4c8\uc774 \uad00\ub828 \uc131\ub2a5 \uc870\uac74\uc744 \ucda9\uc871\ud558\ub3c4\ub85d \uba85\uc2dc\ub41c \ucd5c\uc800 \uc785\ub825 \uc804\ub825\uc785\ub2c8\ub2e4. \ub370\uc774\ud130\uc2dc\ud2b8\uc5d0\uc11c\ub294 \uc774 \uc218\uce58\ub97c \ud2b9\uc815 \ube44\ud2b8 \uc624\ub958\uc728, \ud14c\uc2a4\ud2b8 \ud328\ud134, \ub77c\uc778 \uc18d\ub3c4, \uc628\ub3c4 \ub610\ub294 FEC \ubaa8\ub4dc\uc640 \uc5f0\uacc4\ud558\uc5ec \uc81c\uc2dc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-13456ee3\">\ubbfc\uac10\ub3c4\ubcf4\ub2e4 \ub0ae\uc740 Rx \uac12\uc758 \uacbd\uc6b0, \uc548\uc815\uc801\uc73c\ub85c \uc791\ub3d9\ud55c\ub2e4\uace0 \ubcf4\uc7a5\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-a43014b3\">\uc218\uc2e0\uae30 \uacfc\ubd80\ud558<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-985738f3\">\uc218\uc2e0\uae30 \uacfc\ubd80\ud558\ub780 \ubaa8\ub4c8\uc774 \uc815\uc0c1\uc801\uc73c\ub85c \uc791\ub3d9\ud558\ub3c4\ub85d \uc9c0\uc815\ub41c \ucd5c\ub300 \uc785\ub825 \uc804\ub825\uc744 \ub9d0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-e2138bb9\">dBm \uac12\uc740 \ub85c\uadf8 \ucc99\ub3c4\uc774\ubbc0\ub85c, \uc74c\uc758 \uc218\uce58\uac00 \uc791\uc744\uc218\ub85d \uc804\ub825\uc774 \ub354 \ud06c\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, -3dBm\uc740 -10dBm\ubcf4\ub2e4 \ub354 \uac15\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d78f4ce9\">\ubaa8\ub4c8\uc758 \uacfc\ubd80\ud558 \ud55c\uacc4\uac12\uc774 -7dBm\uc73c\ub85c \uba85\uc2dc\ub418\uc5b4 \uc788\ub2e4\uba74, -4dBm\uc758 \uc785\ub825\uc740 \ud574\ub2f9 \uc791\ub3d9 \ud55c\uacc4\ubcf4\ub2e4 3dB \ub354 \uac15\ud55c \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-f4b57ce7\">\uc218\uc2e0\uae30 \uc190\uc0c1 \uc784\uacc4\uce58<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-704afb3f\">\uc190\uc0c1 \uc784\uacc4\uac12\uc740 \uc131\ub2a5 \ubaa9\ud45c\uac00 \uc544\ub2c8\ub77c \uc548\uc804 \ud55c\uacc4\uce58\uc785\ub2c8\ub2e4. \uad11 \uc785\ub825\uc774 \uc601\uad6c\uc801\uc778 \uc190\uc0c1\uc744 \ucd08\ub798\ud560 \uc218 \uc788\ub294 \uc218\uc900\uc5d0 \ub3c4\ub2ec\ud558\uae30 \ud6e8\uc52c \uc804\ubd80\ud130 \ubaa8\ub4c8\uc740 \uc774\ubbf8 \uacfc\ubd80\ud558 \uc0c1\ud0dc\uac00 \ub418\uc5b4 \uc2e0\ub8b0\uc131\uc744 \uc783\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8b5375fa\">\uad6c\uccb4\uc801\uc778 \uc608\ub97c \ub4e4\uba74, \uc2dc\uc2a4\ucf54\uc758 \uacf5\uac1c\ub41c SFP-10G-ZR-I \uc0ac\uc591\ud45c\uc5d0\ub294 \uc218\uc2e0\uae30 \uacfc\ubd80\ud558 \uc218\uc900\uc774 -7dBm\uc774\uace0 \uc218\uc2e0\uae30 \uc190\uc0c1 \uc784\uacc4\uac12\uc774 +5dBm\uc73c\ub85c \uba85\uc2dc\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \ub3d9\uc77c\ud55c \ub370\uc774\ud130\uc2dc\ud2b8\uc5d0\uc11c\ub294 40km \ubbf8\ub9cc\uc758 \ub2e8\uc77c \ubaa8\ub4dc \ub9c1\ud06c\uc5d0\uc11c \ud574\ub2f9 \uad11\ubaa8\ub4c8\uc744 \uc0ac\uc6a9\ud560 \uacbd\uc6b0 \uc778\ub77c\uc778 \uac10\uc1e0\uae30\ub97c \uc0ac\uc6a9\ud574\uc57c \ud55c\ub2e4\uace0 \uba85\uc2dc\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/www.cisco.com\/c\/en\/us\/products\/collateral\/interfaces-modules\/transceiver-modules\/data_sheet_c78-455693.html\" target=\"_blank\" rel=\"noopener\">Cisco 10GBASE SFP+ \ubaa8\ub4c8 \ub370\uc774\ud130 \uc2dc\ud2b8<\/a><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-895d31dc\">\uc774\ub7ec\ud55c \uac12\uc740 \ud574\ub2f9 \ud2b9\uc815 \uad11\ud559 \ubaa8\ub4c8\uc5d0\ub9cc \uc801\uc6a9\ub418\uba70, \ubaa8\ub4e0 ZR, ER, LR, BiDi \ub610\ub294 \ud0c0\uc0ac \ubaa8\ub4c8\uc5d0\ub294 \uc801\uc6a9\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-22533685\">\uc591\ucabd \ub05d\ub2e8\uc758 \uc815\ud655\ud55c \ubd80\ud488 \ubc88\ud638\uc640 \uc791\ub3d9 \ubaa8\ub4dc\ub97c \ud655\uc778\ud558\ub824\uba74 \ud56d\uc0c1 \ub370\uc774\ud130\uc2dc\ud2b8\ub97c \ucc38\uc870\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-1be28e22\">\uc65c \uc7a5\uac70\ub9ac SFP \ubaa8\ub4c8\uc774 \ub2e8\uac70\ub9ac \ub9c1\ud06c\uc5d0\uc11c \ubb38\uc81c\uac00 \ub420 \uc218 \uc788\ub294\uac00<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-62c794ef\">\uc7a5\uac70\ub9ac \uad11\ud559 \uc7a5\uce58\ub294 \ub354 \ud070 \uad11\uc12c\uc720 \uac10\uc1e0, \ucee4\ub125\ud130 \uc190\uc2e4, \uc811\ud569 \uc190\uc2e4 \ubc0f \uae30\ud0c0 \ub9c1\ud06c \uc190\uc2e4\uc744 \uadf9\ubcf5\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc7a5\uce58\ub294 \ub2e8\uac70\ub9ac \uad11\ud559 \uc7a5\uce58\ubcf4\ub2e4 \ub354 \ub9ce\uc740 \ucd9c\ub825\uc744 \ubc29\ucd9c\ud558\uace0 \ub354 \uac10\ub3c4\uac00 \ub192\uc740 \uc218\uc2e0\uae30\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c0725bd8\">\uacc4\ud68d\ub41c \uae34 \uacbd\ub85c\uc5d0\uc11c\ub294 \ucf00\uc774\ube14 \uc124\ube44\ub85c \uc778\ud574 \uc2e0\ud638\uac00 \uba3c \ucabd \uc218\uc2e0\uae30\uc5d0 \ub3c4\ub2ec\ud558\uae30 \uc804\uc5d0 \uc2e0\ud638 \uac15\ub3c4\uac00 \uc57d\ud574\uc9d1\ub2c8\ub2e4. 1\ubbf8\ud130\ub098 10\ubbf8\ud130 \uae38\uc774\uc758 \ud14c\uc2a4\ud2b8 \uad6c\uac04\uc5d0\uc11c\ub294 \uc608\uc0c1\ub418\ub358 \uc190\uc2e4\uc758 \uc0c1\ub2f9 \ubd80\ubd84\uc774 \uc0ac\ub77c\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-369a6212\">\ud55c \ubc29\ud5a5\uc5d0 \ub300\ud55c \uadfc\uc0ac \uad00\uacc4\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-4a72caf3\"><strong>\uc218\uc2e0 \uc804\ub825 (dBm) = \uc1a1\uc2e0\uae30 \ucd9c\ub825 (dBm) \u2212 \ucd1d \uacbd\ub85c \uc190\uc2e4 (dB)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-1ca70760\">\uc1a1\uc2e0\uae30\uc758 \uc2e4\uc81c \ucd9c\ub825\uc774 +1dBm\uc774\uace0 \uc804\uccb4 \uacbd\ub85c\uc5d0\uc11c 2dB\ub9cc \uc190\uc2e4\ub41c\ub2e4\uace0 \uac00\uc815\ud558\uba74:<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-097da486\"><strong>+1dBm \u2212 2dB = -1dBm \uc218\uc2e0 \uc804\ub825<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-903e3d02\">\uc6d0\uac70\ub9ac \uc218\uc2e0\uae30\uc758 \uacfc\ubd80\ud558 \ud55c\uacc4\uce58\uac00 -7dBm\uc778 \uacbd\uc6b0, \ud574\ub2f9 \uc785\ub825\uc740 \uc9c0\uc815\ub41c \ucd5c\ub300 \uc791\ub3d9 \uc804\ub825\ubcf4\ub2e4 6dB \ub192\uc2b5\ub2c8\ub2e4. \uc815\uc0c1\uc801\uc778 \uc791\ub3d9\uc744 \uae30\ub300\ud558\ub824\uba74 \ub9c1\ud06c\uc5d0 \ucd94\uac00\uc801\uc778 \uac10\uc1e0 \uc870\uce58\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-a2f86b34\">40km\ub098 80km\uc640 \uac19\uc740 \uac70\ub9ac \ud45c\uae30\ub9cc\uc73c\ub85c\ub294 \ucd5c\uc18c \uc548\uc804 \uac70\ub9ac\ub97c \uc54c \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \uacb0\uc815\uc801\uc778 \uc694\uc18c\ub294 \uc1a1\uc2e0\uae30 \ucd9c\ub825 \ubc94\uc704, \uc218\uc2e0\uae30 \uacfc\ubd80\ud558, \ucf00\uc774\ube14 \uc124\ube44 \uc190\uc2e4, \uadf8\ub9ac\uace0 \uc81c\uc870\uc5c5\uccb4\uac00 \uba85\uc2dc\ud55c \ucd5c\uc18c \uac10\uc1e0\ub7c9\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-d6d152a8\">\ub192\uc740 \ucc98\ubc29 \ub3c4\uc218\uc758 \uc99d\uc0c1<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-2a209dad\">\uc218\uc2e0\uae30 \uacfc\ubd80\ud558\uac00 \ud56d\uc0c1 \ub3d9\uc77c\ud55c \uc99d\uc0c1\uc744 \uc77c\uc73c\ud0a4\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4. \ubaa8\ub4c8\uacfc \ud638\uc2a4\ud2b8\uc5d0 \ub530\ub77c \ub2e4\uc74c\uacfc \uac19\uc740 \ud604\uc0c1\uc774 \ub098\ud0c0\ub0a0 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DOM\/DDM \ub370\uc774\ud130\uc5d0\uc11c \ub192\uc740 Rx \uac12\uc5d0 \ub300\ud55c \uacbd\uace0 \ub610\ub294 \uc54c\ub78c<\/li>\n\n\n\n<li>\ub9c1\ud06c \ud50c\ub798\ud551 \ub610\ub294 \uc548\uc815\uc801\uc778 \ub9c1\ud06c \uad6c\ucd95 \uc2e4\ud328<\/li>\n\n\n\n<li>CRC, FCS \ub610\ub294 \uae30\ud638 \uc624\ub958<\/li>\n\n\n\n<li>\ud2b8\ub798\ud53d \uc99d\uac00\uc5d0 \ub530\ub77c \ub298\uc5b4\ub098\ub294 \ud328\ud0b7 \uc190\uc2e4<\/li>\n\n\n\n<li>\uae34 \uc2a4\ud480\uc5d0\uc11c\ub294 \uc791\ub3d9\ud558\uc9c0\ub9cc \uc9e7\uc740 \ud328\uce58 \ucf54\ub4dc\uc5d0\uc11c\ub294 \uc791\ub3d9\ud558\uc9c0 \uc54a\ub294 \ub9c1\ud06c<\/li>\n\n\n\n<li>\uc801\uc808\ud55c \uac10\uc1e0\uae30\ub97c \uc0bd\uc785\ud558\uba74 \uc0ac\ub77c\uc9c0\ub294 \ubb38\uc81c<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-6fd4df88\">\uc774\ub7ec\ud55c \uc99d\uc0c1\uc774 \uacfc\ubd80\ud558\ub97c \uc758\ubbf8\ud558\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4. \ucee4\ub125\ud130 \uc624\uc5fc, \uc798\ubabb\ub41c \ud30c\uc7a5, \ube44\uc77c\uce58\ud558\ub294 \uc804\uc1a1 \uc18d\ub3c4, \uadf9\uc131 \uc624\ub958, \ud638\uc2a4\ud2b8 \ud638\ud658\uc131 \ubb38\uc81c, \uacfc\ub3c4\ud55c \uc190\uc2e4 \ubc0f \ud558\ub4dc\uc6e8\uc5b4 \uacb0\ud568 \ub4f1\ub3c4 \uc720\uc0ac\ud55c \ubb38\uc81c\ub97c \uc77c\uc73c\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-f6f6a385\">\uc218\uc2e0 \uc804\ub825\uc744 \uc218\uc2e0\uae30\uc758 \uc815\ud655\ud55c \uc0ac\uc591\uacfc \ube44\uad50\ud588\uc744 \ub54c\uc5d0\ub9cc \uadf8 \uc9c4\ub2e8 \uacb0\uacfc\uac00 \uc2e0\ub8b0\ud560 \uc218 \uc788\uac8c \ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-6517307c\"><\/p>\n\n\n\n<div class=\"wp-block-wd-image wd-block-image wd-cca1e2a8\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" class=\"wp-image-22002\" src=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-attenuator-calculation-workflow.png\" alt=\"\" title=\"\" srcset=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-attenuator-calculation-workflow.png 1000w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-attenuator-calculation-workflow-800x800.png 800w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-attenuator-calculation-workflow-400x400.png 400w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-attenuator-calculation-workflow-768x768.png 768w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-attenuator-calculation-workflow-12x12.png 12w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-attenuator-calculation-workflow-150x150.png 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/div>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-d358cf04\">Rx \uc804\ub825\uc774 \ub108\ubb34 \ub192\uc740\uc9c0 \ud655\uc778\ud558\ub294 \ubc29\ubc95<\/h2>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-49a4fcc9\">1. \ub450 \uc885\ub2e8\uc810 \ubaa8\ub378\uc744 \ubaa8\ub450 \uae30\ub85d\ud55c\ub2e4<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-53e654d7\">\uc591\ucabd \ub05d\ub2e8\uc758 \uc815\ud655\ud55c \uc2a4\uc704\uce58 \ub610\ub294 NIC, \ud3ec\ud2b8, \ud38c\uc6e8\uc5b4, \ud2b8\ub79c\uc2dc\ubc84 \ubd80\ud488 \ubc88\ud638 \ubc0f \ubaa8\ub4c8 \ub9b4\ub9ac\uc2a4 \ubc84\uc804\uc744 \uae30\ub85d\ud574 \ub450\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-932cf5b3\">\u201c80km SFP+\u201d\uc640 \uac19\uc740 \uc77c\ubc18\uc801\uc778 \uc124\uba85\uc5d0\ub9cc \uc758\uc874\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.\u201d<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-239e71b1\">2. \uad11\ud559 \uc0ac\uc591\ud45c\ub97c \ucc3e\uc544\ubcf4\uc138\uc694<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d9ab35d4\">\uac01 \ubc29\ud5a5\uc5d0 \ub300\ud574 \ub2e4\uc74c\uc744 \ucc3e\uc73c\uc2ed\uc2dc\uc624:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc1a1\uc2e0\uae30 \ucd9c\ub825\uc758 \ucd5c\uc18c\uac12 \ubc0f \ucd5c\ub300\uac12<\/li>\n\n\n\n<li>\uc218\uc2e0\uae30 \uac10\ub3c4<\/li>\n\n\n\n<li>\uc218\uc2e0\uae30 \uacfc\ubd80\ud558 \ub610\ub294 \uc218\uc2e0\uae30 \ucd5c\ub300 \uc785\ub825<\/li>\n\n\n\n<li>\uc190\uc0c1 \uc784\uacc4\uac12(\uc9c0\uc815\ub41c \uacbd\uc6b0)<\/li>\n\n\n\n<li>\uc791\ub3d9 \ud30c\uc7a5<\/li>\n\n\n\n<li>\uc9c0\uc815\ub41c \uacbd\uc6b0, \uc694\uad6c\ub418\ub294 \ucd5c\uc18c \uac10\uc1e0\ub7c9<\/li>\n\n\n\n<li>\uc18d\ub3c4\uc5d0, BER, \uc628\ub3c4 \ub610\ub294 FEC\uc640 \uac19\uc774 \uac12\uc5d0 \ubd80\uac00\ub41c \uc870\uac74<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-cf51ddc3\">\ub450 \ubc29\ud5a5\uc740 \uc11c\ub85c \ub2e4\ub978 \ubaa8\ub4c8\uc774\ub098 \ud30c\uc7a5\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc73c\uba70, \ud2b9\ud788 BiDi \ub9c1\ud06c\uc758 \uacbd\uc6b0 \uadf8\ub7ec\ud558\ubbc0\ub85c \uac01\uac01 \ubcc4\ub3c4\ub85c \uacc4\uc0b0\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-5b0d619f\">3. DOM\/DDM \uac12 \uc77d\uae30<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-f1ecfc4e\">\ub9ce\uc740 \uad00\ub9ac\ud615 \ud638\uc2a4\ud305 \uc5c5\uccb4\ub4e4\uc774 \uc1a1\uc2e0(TX) \uc804\ub825\uacfc \uc218\uc2e0(RX) \uc804\ub825\uc744 \ubcf4\uace0\ud569\ub2c8\ub2e4. LuLeey\uc758 <a href=\"https:\/\/www.luleey.com\/ko\/what-is-ddm-dom-in-sfp-transceivers\/\">DDM\/DOM \uac00\uc774\ub4dc<\/a> \uc9c4\ub2e8 \ud56d\ubaa9\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-4efaaccc\">\ub3d9\uc77c\ud55c \ubc29\ud5a5\uc5d0 \ub300\ud574 \uc6d0\uaca9 \ubaa8\ub4c8\uc758 \uc1a1\uc2e0(TX) \uc804\ub825\uc744 \ub85c\uceec \ubaa8\ub4c8\uc758 \uc218\uc2e0(RX) \uc804\ub825\uacfc \ube44\uad50\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-5e47afb0\">\ubaa8\ub4c8 \uc790\uccb4\uc758 TX \ubc0f RX \uce21\uc815\uac12\uc744 \ub9c8\uce58 \ud558\ub098\uc758 \uacbd\ub85c\uc5d0 \uc18d\ud558\ub294 \uac83\ucc98\ub7fc \uc11c\ub85c \ube7c\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4. \uc774 \uce21\uc815\uac12\ub4e4\uc740 \uc11c\ub85c \ubc18\ub300 \ubc29\ud5a5\uc758 \uc804\uc1a1\uc744 \ub098\ud0c0\ub0b4\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-8ce0444b\">4. \uacb0\uc815\uc774 \uc911\uc694\ud55c \uc2dc\uc810\uc744 \ud30c\uc545\ud558\ub77c<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-2bdb6752\">DDM\uc740 \ubaa8\ub2c8\ud130\ub9c1\uc5d0 \uc720\uc6a9\ud558\uc9c0\ub9cc, \uadf8 \uc815\ud655\ub3c4\ub294 \ubaa8\ub4c8\uc758 \uad6c\ud604 \ubc29\uc2dd\uacfc \ubcf4\uc815 \uc0c1\ud0dc\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-f878bdf7\">\uc124\uce58 \uac80\uc218 \uc2dc, \ubb38\uc81c\uac00 \uc788\ub294 \uacbd\ubcf4\ub098 \uace0\uc704\ud5d8 \uc785\ub825\uc758 \uacbd\uc6b0, \uc2e4\uc81c \ud30c\uc7a5\uc5d0 \ub9de\ucdb0 \uc124\uc815\ub41c \uc801\uc808\ud55c \uad11 \ud30c\uc6cc \ubbf8\ud130\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-45b505df\">\uc804\uc6d0\uc774 \uacf5\uae09 \uc911\uc778 \uad11\uc12c\uc720\ub97c \ubd84\ub9ac\ud558\uba74 \ub370\uc774\ud130 \uc804\uc1a1\uc774 \uc911\ub2e8\ub418\uace0 \ud65c\uc131 \uad11 \ucee4\ub125\ud130\uac00 \ub178\ucd9c\ub429\ub2c8\ub2e4. \ub808\uc774\uc800 \uc548\uc804 \uc218\uce59 \ubc0f \uc7a5\ube44 \uc0ac\uc6a9 \uc808\ucc28\ub97c \uc900\uc218\ud558\uace0, \ub2e8\uba74\uc744 \uae68\ub057\ud558\uac8c \uc720\uc9c0\ud558\uba70, \uc808\ub300\ub85c \uad11\uc12c\uc720\ub098 \ud2b8\ub79c\uc2dc\ubc84 \ub0b4\ubd80\ub97c \ub4e4\uc5ec\ub2e4\ubcf4\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-6a7e85d2\">5. \uacb0\uacfc\ub97c \uc791\ub3d9 \ucc3d\uacfc \ube44\uad50\ud558\uc2ed\uc2dc\uc624.<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ad69a276\">\uc218\uc2e0 \uc804\ub825\uc740 \uac10\ub3c4 \ud55c\uacc4 \uc774\uc0c1\uc774\uace0 \uacfc\ubd80\ud558 \ud55c\uacc4 \uc774\ud558\uc5ec\uc57c \ud558\uba70, \ub2e4\uc74c \uc0ac\ud56d\uc5d0 \ub300\ud574 \uacf5\ud559\uc801 \uc5ec\uc720\ub97c \ud655\ubcf4\ud574\uc57c \ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uce21\uc815 \ubd88\ud655\uc2e4\uc131<\/li>\n\n\n\n<li>\uc628\ub3c4 \ubcc0\ud654<\/li>\n\n\n\n<li>\ubd80\ud488 \ub178\ud654<\/li>\n\n\n\n<li>\uc218\ub9ac \ubc0f \uc7ac\uc5f0\uacb0<\/li>\n\n\n\n<li>\ud5a5\ud6c4 \uacbd\ub85c \ubcc0\uacbd<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8d548eb4\">\uc601\uad6c \ub9c1\ud06c\ub97c \uc591\ucabd \uacbd\uacc4\uc120 \uc911 \uc5b4\ub290 \ud55c\ucabd \uacbd\uacc4\uc120\uacfc \uc815\ud655\ud788 \uc77c\uce58\ud558\ub3c4\ub85d \uc124\uacc4\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-5f35e141\">\ud544\uc694\ud55c \uac10\uc1e0\uae30 \uacc4\uc0b0 \ubc29\ubc95<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-36c82a65\">\uc218\uc2e0\uae30\uc758 \uc815\ud655\ud55c \uc791\ub3d9 \ubc94\uc704 \ub0b4\uc5d0 \uc548\uc804\ud558\uac8c \ud3ec\ud568\ub418\ub294 \ubaa9\ud45c \uc218\uc2e0 \uc804\ub825\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8b66b3f0\">\ub2e8\uc704\uac00 \uc0dd\uc18c\ud558\ub2e4\uba74 LuLeey\uc758 \uae00\uc744 \uc77d\uc5b4\ubcf4\uc138\uc694. <a href=\"https:\/\/www.luleey.com\/ko\/db-vs-dbm-in-fiber-optics-a-simple-guide\/\">\uad11\uc12c\uc720 \uac00\uc774\ub4dc: dB \ub300 dBm<\/a> \uccab\uc9f8, dBm\uc740 \uc808\ub300 \uad11 \uc804\ub825 \ub808\ubca8\uc744 \ub098\ud0c0\ub0b4\ub294 \ubc18\uba74, dB\ub294 \uc774\ub4dd\uc774\ub098 \uc190\uc2e4\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d2e5277f\"><strong>\uc694\uad6c \uac10\uc1e0\ub7c9 (dB) = \uce21\uc815\ub41c \uc218\uc2e0 \uc804\ub825 (dBm) \u2212 \ubaa9\ud45c \uc218\uc2e0 \uc804\ub825 (dBm)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c2c20bc2\">\uc608\uc2dc:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uce21\uc815\ub41c \uc1a1\uc2e0 \uc804\ub825: -3dBm<\/li>\n\n\n\n<li>\uc218\uc2e0\uae30 \uacfc\ubd80\ud558 \ud55c\uacc4: -7dBm<\/li>\n\n\n\n<li>\ubaa8\ub4c8 \uc0ac\uc591 \ubc0f \ub9c1\ud06c \ub9c8\uc9c4\uc744 \uac80\ud1a0\ud55c \ud6c4 \uc120\uc815\ud55c \ubaa9\ud45c\uac12: -10dBm<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-fd4fa068\"><strong>\ud544\uc694\ud55c \uac10\uc1e0\ub7c9 = -3 \u2212 (-10) = 7dB<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-7b47d989\">7dB\uc758 \uac10\uc1e0\uac00 \ubc1c\uc0dd\ud558\uba74 \uce21\uc815\uac12\uc774 \uc57d -3dBm\uc5d0\uc11c -10dBm\uc73c\ub85c \uc774\ub3d9\ud558\uac8c \ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ce3d0b79\"><strong>-3dBm \u2212 7dB = -10dBm<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-f2f7fc69\">\uc774 \uc608\uc2dc\uc5d0\uc11c \uc81c\uc2dc\ub41c \ubaa9\ud45c\uce58\ub294 \uc124\uba85\uc744 \uc704\ud55c \uc608\uc2dc\uc77c \ubfd0\uc785\ub2c8\ub2e4. \uc774\ub294 \ubcf4\ud3b8\uc801\uc778 \uad8c\uc7a5 \uc0ac\ud56d\uc774 \uc544\ub2d9\ub2c8\ub2e4. \uc2e4\uc81c \ubaa9\ud45c\uce58\ub294 \uc608\uc0c1\ub418\ub294 \ubaa8\ub4e0 \ubcc0\ub3d9 \uc694\uc778\uc744 \ubc18\uc601\ud55c \ud6c4\uc5d0\ub3c4 \uc218\uc2e0\uae30 \uac10\ub3c4\ubcf4\ub2e4 \ub192\uc544\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-45404875\">\uc124\uacc4 \ub2e8\uacc4\uc5d0\uc11c \ucd5c\uc545\uc758 \uacbd\uc6b0\ub97c \uac00\uc815\ud558\uc5ec \uc810\uac80\ud560 \ub54c\ub294 \uc1a1\uc2e0\uae30\uc758 \ucd5c\ub300 \ucd9c\ub825\uacfc \ucf00\uc774\ube14 \uc124\ube44\uc758 \uc608\uc0c1 \ucd5c\uc18c \uc190\uc2e4\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624:<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-71c3f323\"><strong>\uc608\uc0c1\ub418\ub294 \ucd5c\ub300 \uc218\uc2e0 \uc804\ub825(Rx) = \ucd5c\ub300 \uc1a1\uc2e0 \ucd9c\ub825(TX) \u2212 \ucd5c\uc18c \uacbd\ub85c \uc190\uc2e4<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8cd1b92b\">\uc120\ud0dd\ud55c \uac10\uc1e0\uae30\ub97c \ucd94\uac00\ud55c \ud6c4\uc5d0\ub3c4 \uc608\uc0c1\ub418\ub294 \ucd5c\ub300 Rx \uac12\uc774 \uacfc\ubd80\ud558 \ud55c\uacc4\uce58 \uc774\ud558\ub85c \uc720\uc9c0\ub418\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-865e2346\">\ub610\ud55c \uc608\uc0b0\uc758 \ucde8\uc57d\ud55c \ubd80\ubd84\ub3c4 \uc810\uac80\ud574 \ubcf4\uc2ed\uc2dc\uc624:<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-fc27fc80\"><strong>\uc608\uc0c1\ub418\ub294 \ucd5c\uc18c \uc218\uc2e0 \uc804\ub825(Rx) = \ucd5c\uc18c \uc1a1\uc2e0 \uc804\ub825(TX) \u2212 \ucd5c\ub300 \uacbd\ub85c \uc190\uc2e4 \u2212 \uac10\uc1e0\uae30 \uc190\uc2e4<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-f4f30421\">\uc608\uc0c1\ub418\ub294 \uac00\uc7a5 \ub0ae\uc740 Rx \uac12\uc740 \ud544\uc694\ud55c \uc2dc\uc2a4\ud15c \uc5ec\uc720\ub3c4\ub97c \ud655\ubcf4\ud55c \uc0c1\ud0dc\uc5d0\uc11c \uac10\ub3c4 \uc774\uc0c1\uc73c\ub85c \uc720\uc9c0\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-3aa1a5b0\">\uac15\ud55c \uacbd\uc6b0\uc5d0\ub294 \ubb38\uc81c\uac00 \ud574\uacb0\ub418\uc9c0\ub9cc \uc57d\ud55c \uacbd\uc6b0\uc5d0\ub294 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud558\ub294 \uac10\uc1e0\uae30\ub294 \ud0c0\ub2f9\ud55c \uc124\uacc4\uac00 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-76043871\">\uad11 \uac10\uc1e0\uae30\ub97c \uc124\uce58\ud560 \uc704\uce58<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-325b3d07\">\uad11\uc12c\uc720 \ud611\ud68c(Fiber Optic Association)\ub294 \uac10\uc1e0\uae30\ub97c \uc218\uc2e0\uae30 \uadfc\ucc98\uc5d0 \ubc30\uce58\ud560 \uac83\uc744 \uad8c\uc7a5\ud569\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \ucd5c\uc885 \uc218\uc2e0 \uc804\ub825\uc744 \ub354 \uc27d\uac8c \uce21\uc815\ud560 \uc218 \uc788\uc73c\uba70, \uac10\uc1e0\uae30\uc758 \ubc18\uc0ac\uc728\uc774 \uc1a1\uc2e0\uae30\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\uc9c0 \uc54a\ub3c4\ub85d \ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. <a href=\"https:\/\/www.thefoa.org\/tech\/ref\/appln\/attenuators.html\" target=\"_blank\" rel=\"noopener\">FOA \uac10\uc1e0\uae30 \uc9c0\uce68<\/a><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d3c68554\">\uc774\uc911 \ub9c1\ud06c\uc758 \uacbd\uc6b0, \uac01 \ubc29\ud5a5\ub9c8\ub2e4 \ubcc4\ub3c4\uc758 \uc1a1\uc2e0\uae30, \uad11\uc12c\uc720 \uacbd\ub85c \ubc0f \uc218\uc2e0\uae30\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ud55c\ucabd \ubc29\ud5a5\uc758 \uc218\uc2e0\uae30\uc5d0\ub294 \uac10\uc1e0\uac00 \ud544\uc694\ud560 \uc218 \uc788\uc9c0\ub9cc, \ubc18\ub300\ucabd \ubc29\ud5a5\uc758 \uc218\uc2e0\uae30\uc5d0\ub294 \uac10\uc1e0\uac00 \ud544\uc694\ud558\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-458dcaa6\">\uc591\ubc29\ud5a5 \uc2e0\ud638\uac00 \ubaa8\ub450 \ub108\ubb34 \uac15\ud560 \uacbd\uc6b0, \uac01 \uc218\uc2e0 \uacbd\ub85c\ub97c \ubcc4\ub3c4\ub85c \uacc4\uc0b0\ud558\uc5ec \uac10\uc1e0\uc2dc\ud0a4\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-7a1f5d62\">\uc591\ubc29\ud5a5(BiDi) \ub9c1\ud06c\uc758 \uacbd\uc6b0, \uc591\ubc29\ud5a5 \ubaa8\ub450 \uc11c\ub85c \ub2e4\ub978 \ud30c\uc7a5\uc5d0\uc11c \ud558\ub098\uc758 \uad11\uc12c\uc720\ub97c \uacf5\uc720\ud569\ub2c8\ub2e4. \ub2e8\uc77c \uc778\ub77c\uc778 \uac10\uc1e0\uae30\ub294 \ub450 \ud30c\uc7a5\uacfc \uc591\ubc29\ud5a5 \ubaa8\ub450\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d86819e2\">\uac10\uc1e0\uae30\uc758 \ud30c\uc7a5 \ubc94\uc704\ub97c \ud655\uc778\ud558\uace0, \ucd94\uac00 \uc190\uc2e4\ub85c \uc778\ud574 \ub450 \uc218\uc2e0\uae30 \ubaa8\ub450 \uc791\ub3d9 \ubc94\uc704 \ub0b4\uc5d0 \uba38\ubb34\ub974\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-f53f31f3\">\uace0\uc815\ud615 \uac10\uc1e0\uae30\uc778\uac00, \uac00\ubcc0\ud615 \uac10\uc1e0\uae30\uc778\uac00?<\/h2>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-d385f355\">\uace0\uc815 \uac10\uc1e0\uae30<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-480f2436\">\uace0\uc815 \uac10\uc1e0\uae30\ub294 \ubbf8\ub9ac \uc815\ud574\uc9c4 \uac10\uc1e0\ub7c9\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \ud544\uc694\ud55c \uac12\uc744 \uacc4\uc0b0\ud558\uace0 \uac80\uc99d\ud55c \ud6c4\uc5d0\ub294 \uc601\uad6c\uc801\uc778 \uc124\uce58\uc5d0 \ub354 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-33d22c2e\">\uac00\ubcc0 \uac10\uc1e0\uae30<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-1df90779\">\uac00\ubcc0 \uac10\uc1e0\uae30\ub294 \uc2e4\ud5d8\uc2e4 \ud14c\uc2a4\ud2b8\ub97c \uc218\ud589\ud558\uac70\ub098, \uc548\uc815\uc801\uc778 \ubaa9\ud45c\uac12\uc744 \ucc3e\uac70\ub098, \ub2e4\uc591\ud55c \ub9c1\ud06c \uc190\uc2e4\uc744 \uc2dc\ubbac\ub808\uc774\uc158\ud558\ub294 \ub370 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8c812458\">\uc870\uc815\uc744 \ub9c8\uce5c \ud6c4\uc5d0\ub294 \ub2e4\uc774\uc5bc\uc774\ub098 \uacf5\uce6d \uc124\uc815\uac12\ub9cc \ubbff\uc9c0 \ub9d0\uace0, \uc2e4\uc81c\ub85c \uc218\uc2e0\ub41c \uc804\ub825\uc744 \uce21\uc815\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-a4ff522f\">LuLeey\ub294 \ub2e4\uc74c\uc744 \ub098\uc5f4\ud569\ub2c8\ub2e4. <a href=\"https:\/\/www.luleey.com\/ko\/product\/lc-upc-adjustable-attenuator\/\">LC UPC \uac00\ubcc0 \uac10\uc1e0\uae30<\/a> 1310~1550nm \ubc94\uc704\uc758 \ub2e8\uc77c \ubaa8\ub4dc \ud30c\uc7a5\uc5d0 \ub300\ud574 0~30dB \ubc94\uc704\uc5d0\uc11c \uc870\uc815 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-7419b18c\">\ud574\ub2f9 \ud398\uc774\uc9c0\uc5d0\ub294 1270nm, 1577nm \ub610\ub294 \ubaa8\ub4e0 CWDM \ud30c\uc7a5\uc774 \uae30\uc7ac\ub418\uc5b4 \uc788\uc9c0 \uc54a\uc73c\ubbc0\ub85c, \uba85\uc2dc\ub41c \ubc94\uc704 \uc678\uc5d0\uc11c\ub294 \uc801\ud569\ud558\ub2e4\uace0 \uac00\uc815\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-0b0aaccf\">LuLeey\u2019s <a href=\"https:\/\/www.luleey.com\/ko\/product-category\/optical-connector\/optical-attenuator\/\">\uad11 \uac10\uc1e0\uae30 \uce74\ud14c\uace0\ub9ac<\/a> \ub2e4\uc591\ud55c \ucee4\ub125\ud130 \ubc0f \uc5f0\ub9c8 \ubc29\uc2dd\uc774 \uc801\uc6a9\ub41c \uace0\uc815\ud615 \ubc0f \uc870\uc808\ud615 \uc635\uc158\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-e4701fbd\">\uae30\uc874\uc758 LC, SC \ub610\ub294 FC \uc778\ud130\ud398\uc774\uc2a4\uc640 UPC \ub610\ub294 APC \uad11\ud559 \ub2e8\uba74 \ucc98\ub9ac \ubc29\uc2dd\uc5d0 \ub9de\ucdb0\uc57c \ud569\ub2c8\ub2e4. UPC\uc640 APC\ub97c \uc9c1\uc811 \uc5f0\uacb0\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-8a062108\">\ud53c\ud574\uc57c \ud560 \ud754\ud55c \uc2e4\uc218\ub4e4<\/h2>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-2ddf4711\">\uac70\ub9ac\ub9cc\uc744 \uae30\uc900\uc73c\ub85c \uac10\uc1e0\ub7c9 \uacb0\uc815\ud558\uae30<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-2fea0e3f\">\u201c1km \uad6c\uac04\uc5d0\uc11c 80km \ubaa8\ub4c8\u201d\uc774\ub77c\ub294 \ud45c\ud604\uc740 \uc7a0\uc7ac\uc801\uc778 \uc704\ud5d8\uc744 \uc2dc\uc0ac\ud558\uc9c0\ub9cc, \ud544\uc694\ud55c \uc190\uc2e4\ub7c9\uc740 \uacc4\uc0b0\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc2e4\uc81c \uc0ac\uc591\uacfc \uce21\uc815\uac12\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-1f70fdf7\">\ubaa8\ub4e0 \ub192\uc740 Rx \uacbd\ubcf4\ub97c \ud558\ub4dc\uc6e8\uc5b4 \uc190\uc0c1\uc73c\ub85c \uac04\uc8fc\ud558\uae30<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-59aa76fa\">\uacfc\ubd80\ud558 \uacbd\ubcf4\uac00 \ubc1c\uc0dd\ud558\uba74 \uc785\ub825\uc774 \uc791\ub3d9 \ubc94\uc704\ub97c \ubc97\uc5b4\ub0ac\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc774\ub294 \ubc18\ub4dc\uc2dc \uc601\uad6c\uc801\uc778 \uc190\uc0c1\uc774 \ubc1c\uc0dd\ud588\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud558\uc9c0\ub294 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-bb61780f\">\ubcc4\ub3c4\uc758 \uc190\uc0c1 \ud5c8\uc6a9 \ud55c\ub3c4\uac00 \uc788\ub294\uc9c0 \ud655\uc778\ud558\uace0 \uc81c\uc870\uc0ac\uc758 \uc9c0\uce68\uc744 \ub530\ub974\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-50bffeba\">\uac10\ub3c4\ub97c \ud655\uc778\ud558\uc9c0 \uc54a\uace0 \ub300\uc6a9\ub7c9 \uac10\uc1e0\uae30\ub97c \ucd94\uac00\ud558\ub294 \uacbd\uc6b0<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-2bd8d6d0\">\uc190\uc2e4\uc774 \ub108\ubb34 \ud06c\uba74 \uc218\uc2e0\uae30\uac00 \uacfc\ubd80\ud558 \uc0c1\ud0dc\uc5d0\uc11c \uc804\ub825 \ubd80\uc871 \uc0c1\ud0dc\ub85c \uc804\ud658\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\uc0c1\ub418\ub294 \uac00\uc7a5 \uadf9\ub2e8\uc801\uc778 \uc870\uac74\uacfc \uac00\uc7a5 \uc628\uac74\ud55c \uc870\uac74 \ubaa8\ub450\ub97c \uacc4\uc0b0\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-3e10586a\">\uc798\ubabb\ub41c \ubc29\ud5a5\uc73c\ub85c \uac10\uc1e0\uc2dc\ud0a4\uae30<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-74071cae\">\uc774\uc911 \ud1b5\uc2e0 \uad11\uc12c\uc720\uc5d0\uc11c, \uc6d0\uaca9 \uc1a1\uc2e0\uae30(TX)\uc5d0\uc11c \ub85c\uceec \uc218\uc2e0\uae30(RX)\uae4c\uc9c0\uc758 \uacbd\ub85c\ub97c \ucd94\uc801\ud558\uc2ed\uc2dc\uc624. \uac01 \ubc29\ud5a5\uc740 \ub3c5\ub9bd\uc801\uc73c\ub85c \ud3c9\uac00\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-e408280f\">\ud30c\uc7a5\uacfc \ucee4\ub125\ud130 \uc5f0\ub9c8 \uc0c1\ud0dc \ubb34\uc2dc<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-60c84475\">\uac10\uc1e0\uae30\ub294 \uc791\ub3d9 \ud30c\uc7a5\uc744 \uc9c0\uc6d0\ud574\uc57c \ud558\uba70 \ucee4\ub125\ud130 \uc778\ud130\ud398\uc774\uc2a4\uc640 \ud638\ud658\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. dB \ub2e8\uc704\ub85c \uc62c\ubc14\ub978 \uac12\uc744 \uac00\uc84c\ub354\ub77c\ub3c4 \uc798\ubabb\ub41c \ubd80\ud488\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-5a51f777\">\ub2e8\uc21c\ud788 \uc5f0\uacc4\uc5d0\ub9cc \uc758\uc874\ud558\ub294 \uac83<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-37ca634d\">\ub9c1\ud06c LED\uac00 \uc815\uc0c1\uc801\uc778 \uad11 \ub9c8\uc9c4\uc744 \ubcf4\uc7a5\ud558\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4. \uc2e4\uc81c \uc18d\ub3c4, \uacbd\ubcf4, \uc218\uc2e0 \uc804\ub825, \ud2b8\ub798\ud53d, \ud328\ud0b7 \uc624\ub958 \ubc0f \uc7ac\uc2dc\uc791 \ub3d9\uc791\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-f6c60103\">\uc548\uc804 \ud655\uc778 \uccb4\ud06c\ub9ac\uc2a4\ud2b8<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\uc591\ucabd \ub05d\ub2e8\uc758 \uc815\ud655\ud55c \ud638\uc2a4\ud2b8 \ubc0f \ubaa8\ub4c8 \ubd80\ud488 \ubc88\ud638\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li>\ud604\uc7ac \ud3ec\ud2b8 \uad6c\uc131, DOM \uce21\uc815\uac12 \ubc0f \uc624\ub958 \uce74\uc6b4\ud130\ub97c \uc800\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uac10\ub3c4, \uacfc\ubd80\ud558, \uc190\uc0c1 \uc784\uacc4\uac12 \ubc0f \uc1a1\uc2e0(TX) \ucd9c\ub825 \uc0ac\uc591\uc744 \ud655\uc778\ud558\uc138\uc694.<\/li>\n\n\n\n<li>\uc591\ucabd \ubc29\ud5a5\uc744 \uac01\uac01 \ub530\ub85c \uacc4\uc0b0\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li>\ud544\uc694\ud55c \uacbd\uc6b0 \uc2e4\uc81c \ud30c\uc7a5\uc5d0\uc11c \uc218\uc2e0 \uc804\ub825\uc744 \uce21\uc815\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li>\ud30c\uc7a5, \uad11\uc12c\uc720 \ubaa8\ub4dc, \ucee4\ub125\ud130 \ubc0f \uc5f0\ub9c8 \uc0c1\ud0dc\uc5d0 \ub9de\ub294 \uac10\uc1e0\uae30\ub97c \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li>\uc2dc\uc2a4\ud15c \uacf5\uae09\uc5c5\uccb4\uc5d0\uc11c \ubcc4\ub3c4\ub85c \uc9c0\uc815\ud558\uc9c0 \uc54a\ub294 \ud55c, \uc218\uc2e0\uae30 \uadfc\ucc98\uc5d0 \uc124\uce58\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li>\uac80\uc0ac\uc640 \uc138\ucc99\uc744 \ub9c8\uce5c \ub2e8\uba74\uc744 \ub2e4\uc2dc \uc5f0\uacb0\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li>Rx \uc804\ub825\uc774 \uc791\ub3d9 \ubc94\uc704 \ub0b4\uc5d0 \uc548\uc804\ud558\uac8c \uc720\uc9c0\ub418\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li>\uce74\uc6b4\ud130\ub97c \ucd08\uae30\ud654\ud558\uace0, \uc591\ubc29\ud5a5 \ud2b8\ub798\ud53d\uc744 \ud1b5\uacfc\uc2dc\ud0a4\uba70, \uc2dc\uac04 \uacbd\uacfc\uc5d0 \ub530\ub978 \uc624\ub958\ub97c \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc7a5\ube44 \uc808\ucc28\uc5d0 \ub530\ub77c \uc7ac\uc2dc\uc791\ud558\uac70\ub098 \uc7a5\uce58\ub97c \ub2e4\uc2dc \uc7a5\ucc29\ud55c \ud6c4, \uc5f0\uacb0 \uc0c1\ud0dc\uac00 \uc815\uc0c1\uc801\uc73c\ub85c \ubcf5\uad6c\ub418\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li>\ucd5c\uc885 \uac10\uc1e0\uae30 \uac12, \uc704\uce58 \ubc0f \uce21\uc815\ub41c \uc804\ub825\uc744 \uae30\ub85d\ud558\uc2ed\uc2dc\uc624.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-61dfd8c0\">\ucd5c\uc885 \ub2f5\ubcc0<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-bbede694\">\uad11 \ucd9c\ub825\uc774 \ub108\ubb34 \ub192\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. SFP \uc218\uc2e0\uae30\ub294 \uc815\ud574\uc9c4 \uc791\ub3d9 \ubc94\uc704 \ub0b4\uc758 \uad11 \uc2e0\ud638\ub97c \ud544\uc694\ub85c \ud569\ub2c8\ub2e4. \uc989, \uac10\ub3c4 \uc774\uc0c1\uc774\uc9c0\ub9cc \uc218\uc2e0\uae30 \uacfc\ubd80\ud558 \uc774\ud558\uc774\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-93927ddf\">\uc9e7\uc740 \ub2e8\uc77c \ubaa8\ub4dc \ub9c1\ud06c\uc5d0 \uc7a5\uac70\ub9ac\uc6a9 \uad11\ud559 \uc7a5\uce58\ub97c \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0, \uc2e4\uc81c \uc218\uc2e0(Rx) \uc804\ub825\uc744 \ud574\ub2f9 \ubaa8\ub4c8\uc758 \uc815\ud655\ud55c \uacfc\ubd80\ud558 \ud55c\uacc4\uce58\uc640 \ube44\uad50\ud558\uc2ed\uc2dc\uc624. \uc548\uc804\ud55c \ubaa9\ud45c\uce58\ub97c \uae30\uc900\uc73c\ub85c \ud544\uc694\ud55c \uc190\uc2e4\uc744 \uacc4\uc0b0\ud558\uace0, \uc190\uc2e4 \uc608\uc0b0\uc758 \uc57d\ud55c \ucabd\uc744 \ud655\uc778\ud55c \ub4a4, \uc218\uc2e0\uae30 \uadfc\ucc98\uc5d0 \uc801\uc808\ud55c \uac10\uc1e0\uae30\ub97c \uc124\uce58\ud558\uace0 \ub2e4\uc2dc \uce21\uc815\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ffe4fabd\">LuLeey\uc758 \uac10\uc1e0\uae30\ub97c \uc120\ud0dd\ud558\uae30 \uc804\uc5d0, \ub450 \ud2b8\ub79c\uc2dc\ubc84\uc758 \uc815\ud655\ud55c \ubaa8\ub378\uba85, \uc1a1\uc2e0(TX)\/\uc218\uc2e0(RX) \uc0ac\uc591, \uce21\uc815\ub41c \uc804\ub825, \ud30c\uc7a5, \ucee4\ub125\ud130 \uc5f0\ub9c8 \uc0c1\ud0dc \ubc0f \ucf00\uc774\ube14 \uacbd\ub85c \uc190\uc2e4 \uac12\uc744 \uc54c\ub824\uc8fc\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c45199b4\">\uadf8\ub7f0 \uc138\ubd80 \uc815\ubcf4\ub294 \uac70\ub9ac \ud45c\uae30\ub9cc \uc788\ub294 \uac83\ubcf4\ub2e4 \ub354 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>\uc758\ubbf8 \ud30c\uc545 \ub2e4\uc74c \uc870\uce58 Rx \uc804\ub825\uc774 \uc218\uc2e0\uae30 \uac10\ub3c4\ubcf4\ub2e4 \ub0ae\uc74c \uc2e0\ud638\uac00 \ub108\ubb34 \uc57d\ud560 \uc218 \uc788\uc74c \uacfc\ub3c4\ud55c \uc190\uc2e4 \ud655\uc778,<\/p>","protected":false},"author":1,"featured_media":22003,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[886],"tags":[444,1476,1475,1477,1423,1474,1473],"class_list":["post-21996","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-network-maintenance","tag-ddm","tag-dom","tag-fiber-optic-attenuator","tag-optical-link-budget","tag-optical-power","tag-rx-power","tag-sfp-receiver-overload"],"_links":{"self":[{"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/posts\/21996","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=21996"}],"version-history":[{"count":2,"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/posts\/21996\/revisions"}],"predecessor-version":[{"id":22005,"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/posts\/21996\/revisions\/22005"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/media\/22003"}],"wp:attachment":[{"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/media?parent=21996"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/categories?post=21996"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.luleey.com\/ko\/wp-json\/wp\/v2\/tags?post=21996"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}