{"id":2878,"date":"2026-03-11T00:00:00","date_gmt":"2026-03-11T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/how-to-check-sfp-module-cisco-commands-testing-guide\/"},"modified":"2026-06-22T04:01:05","modified_gmt":"2026-06-22T04:01:05","slug":"how-to-check-sfp-module-cisco-commands-testing-guide","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/how-to-check-sfp-module-cisco-commands-testing-guide","title":{"rendered":"SFP \ubaa8\ub4c8 \uc810\uac80 \ubc29\ubc95: \ud14c\uc2a4\ud2b8 \ubc0f \ud638\ud658\uc131 \ud655\uc778"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"628\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e333f406b4a145d5abbf88e1a5ffe8a8.jpg\" alt=\"How to Check SFP Module\" class=\"wp-image-2867\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e333f406b4a145d5abbf88e1a5ffe8a8.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e333f406b4a145d5abbf88e1a5ffe8a8-300x157.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e333f406b4a145d5abbf88e1a5ffe8a8-1024x536.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e333f406b4a145d5abbf88e1a5ffe8a8-768x402.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e333f406b4a145d5abbf88e1a5ffe8a8-18x9.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud604\ub300\uc758 \uad11\uc12c\uc720 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c,<br>, <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>SFP \ubaa8\ub4c8<\/strong><\/a><strong> (\uc18c\ud615 \ud3fc \ud329\ud130 \ud50c\ub7ec\uadf8\uc5b4\ube14 \uc1a1\uc218\uc2e0\uae30)<br><\/strong> \ub294 \uc2a4\uc704\uce58, \ub77c\uc6b0\ud130 \ubc0f \uc11c\ubc84\ub97c \uad11\uc12c\uc720 \ub610\ub294 \uad6c\ub9ac \ucf00\uc774\ube14\uc5d0 \uc5f0\uacb0\ud558\ub294 \ub370 \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc18c\ud615\uc758 \ud56b\ud50c\ub7ec\uadf8 \uac00\ub2a5 \uad11 \uc1a1\uc218\uc2e0\uae30\ub294 \ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \uc804\uccb4 \ub124\ud2b8\uc6cc\ud06c \uc778\ud130\ud398\uc774\uc2a4 \ud558\ub4dc\uc6e8\uc5b4\ub97c \uad50\uccb4\ud558\uc9c0 \uc54a\uace0\ub3c4 \ub2e4\uc591\ud55c \uc804\uc1a1 \ub9e4\uccb4, \ud30c\uc7a5 \ubc0f \uac70\ub9ac\ub97c \uc720\uc5f0\ud558\uac8c \uc120\ud0dd\ud560 \uc218 \uc788\ub3c4\ub85d \ud574\uc90d\ub2c8\ub2e4.<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \ubaa8\ub4c8\uc740 \ub124\ud2b8\uc6cc\ud0b9 \uc7a5\ube44\uc640 \uc804\uc1a1 \ub9e4\uccb4 \uac04\uc758 \ubb3c\ub9ac\uc801 \uc778\ud130\ud398\uc774\uc2a4 \uc5ed\ud560\uc744 \ud558\ubbc0\ub85c, \ubaa8\ub4c8\uc774 \uc62c\ubc14\ub974\uac8c \uc124\uce58\ub418\uc5c8\ub294\uc9c0 \ud655\uc778\ud558\uace0 \uad11\ud559 \ub9e4\uac1c\ubcc0\uc218 \ub0b4\uc5d0\uc11c \uc815\uc0c1 \uc791\ub3d9\ud558\ub294\uc9c0\ub97c \uac80\uc99d\ud558\ub294 \uac83\uc774 \uc548\uc815\uc801\uc778 \ub124\ud2b8\uc6cc\ud06c \uc5f0\uacb0\uc744 \uc720\uc9c0\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc798\ubabb \uad6c\uc131\ub418\uc5c8\uac70\ub098 \uacb0\ud568\uc774 \uc788\ub294 SFP\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc77c\ubc18\uc801\uc778 \ubb38\uc81c\ub97c \uc77c\uc73c\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4:<br> <strong>\ub9c1\ud06c \uc2e4\ud328, \ub0ae\uc740 \uad11 \ucd9c\ub825, \ub192\uc740 \uc624\ub958\uc728, \ub610\ub294 \ud638\uc2a4\ud2b8 \uc2a4\uc704\uce58\uc640\uc758 \ubd88\ud638\ud658\uc131<br><\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c \ub124\ud2b8\uc6cc\ud06c \uad00\ub9ac\uc790\ub294 \uc790\uc8fc \ub2e4\uc74c \uc791\uc5c5\uc744 \uc218\ud589\ud574\uc57c \ud569\ub2c8\ub2e4:<br> <strong>\uc2a4\uc704\uce58 \uc9c4\ub2e8, \uba85\ub839\uc904 \ub3c4\uad6c \ubc0f \uad11\ud559 \ubaa8\ub2c8\ud130\ub9c1 \ub370\uc774\ud130\ub97c \uc0ac\uc6a9\ud558\uc5ec SFP \ubaa8\ub4c8\uc744 \uc810\uac80\ud569\ub2c8\ub2e4.<br><\/strong>. \uc2dc\uc2a4\ucf54(Cisco) \ubc0f \uc8fc\ub2c8\ud37c \ub124\ud2b8\uc6cd\uc2a4(Juniper Networks) \ub4f1 \uc8fc\uc694 \ubca4\ub354\uc758 \ub9ce\uc740 \uae30\uc5c5\uc6a9 \uc2a4\uc704\uce58\ub294 \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \uc628\ub3c4, \uc804\uc555, \uc1a1\uc2e0 \ucd9c\ub825, \uc218\uc2e0 \ucd9c\ub825\uacfc \uac19\uc740<br> <strong>\ub514\uc9c0\ud138 \uad11\ud559 \ubaa8\ub2c8\ud130\ub9c1(Digital Optical Monitoring)<\/strong> (DOM \ub610\ub294 DDM) \uc815\ubcf4\ub97c \uc77d\uc744 \uc218 \uc788\ub3c4\ub85d \ub0b4\uc7a5\ub41c \uba85\ub839\uc5b4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc9c4\ub2e8 \uac12\uc740 \uc1a1\uc218\uc2e0\uae30\uac00 \uc815\uc0c1\uc801\uc73c\ub85c \uc791\ub3d9 \uc911\uc778\uc9c0 \ub610\ub294 \uacbd\uace0 \uc784\uacc4\uac12\uc5d0 \uadfc\uc811\ud588\ub294\uc9c0\ub97c \ud310\ub2e8\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\uc81c\ub85c SFP \ubaa8\ub4c8\uc744 \uc810\uac80\ud558\ub294 \uacfc\uc815\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc5ec\ub7ec \ub2e8\uacc4\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4:<br><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc124\uce58\ub41c \uc1a1\uc218\uc2e0\uae30 \ubaa8\ub378 \uc2dd\ubcc4<br><\/p><\/li>\n\n\n\n<li><p>\ub9c1\ud06c \uc0c1\ud0dc \ubc0f \uc778\ud130\ud398\uc774\uc2a4 \uc815\ubcf4 \ud655\uc778<br><\/p><\/li>\n\n\n\n<li><p>DOM\/DDM \uad11\ud559 \uc9c4\ub2e8 \uc815\ubcf4 \uc77d\uae30<br><\/p><\/li>\n\n\n\n<li><p>\uc2a4\uc704\uce58 \ud638\ud658\uc131 \ubc0f \uc9c0\uc6d0\ub418\ub294 \uad11\ud559 \uc7a5\uce58 \ud655\uc778<br><\/p><\/li>\n\n\n\n<li><p>\uc54c\ub824\uc9c4 \uc591\ud638\ud55c \uad11\uc12c\uc720 \uc5f0\uacb0\uc744 \uc0ac\uc6a9\ud55c \ubaa8\ub4c8 \ud14c\uc2a4\ud2b8<br><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc62c\ubc14\ub974\uac8c<br> <strong>SFP \ubaa8\ub4c8\uc744 \uc810\uac80\ud558\uace0 \ud14c\uc2a4\ud2b8\ud558\ub294 \ubc29\ubc95\uc744 \uc774\ud574\ud558\ub294 \uac83<br><\/strong> \uc740 \uace0\uc18d \uad11\uc12c\uc720 \ub9c1\ud06c\ub97c \uc720\uc9c0\ubcf4\uc218\ud558\ub294 \ucc45\uc784\uc774 \uc788\ub294 \ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4, \ub370\uc774\ud130\uc13c\ud130 \uc6b4\uc601\uc790 \ubc0f IT \uad00\ub9ac\uc790\uc5d0\uac8c \ud544\uc218\uc801\uc778 \uae30\uc220\uc785\ub2c8\ub2e4.<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc774 \uac00\uc774\ub4dc\uc5d0\uc11c \ubc30\uc6b8 \ub0b4\uc6a9<br><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubcf8 \uae30\uc0ac\uc5d0\uc11c\ub294 \ub2e4\uc74c \ub0b4\uc6a9\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub124\ud2b8\uc6cc\ud06c \uc2a4\uc704\uce58(\uc2dc\uc2a4\ucf54 CLI \uba85\ub839 \ud3ec\ud568)\uc5d0\uc11c SFP \ubaa8\ub4c8\uc744 \uc810\uac80\ud558\ub294 \ubc29\ubc95<br><\/p><\/li>\n\n\n\n<li><p>\uc9c4\ub2e8 \ubc0f \uad11\ud559 \uce21\uc815\uc744 \uc0ac\uc6a9\ud558\uc5ec<br> <a href=\"https:\/\/www.l-p.com\/products\/476756.htm\" target=\"_self\">SFP \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/a> SFP \ubaa8\ub4c8\uc744 \ud14c\uc2a4\ud2b8\ud558\ub294 \ubc29\ubc95<br><\/p><\/li>\n\n\n\n<li><p>TX\/RX \uad11 \ucd9c\ub825 \ub4f1 SFP DOM\/DDM \ub9e4\uac1c\ubcc0\uc218\ub97c \uc77d\ub294 \ubc29\ubc95<\/p><\/li>\n\n\n\n<li><p>\uc5b4\ub5a4 \uac83\uc744 \uc2dd\ubcc4\ud558\ub294 \ubc29\ubc95 <a href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/sfp-types-overview-optical-copper-direct-attach-modules\/\" target=\"_blank\" rel=\"\">SFP \ubaa8\ub4c8 \uc720\ud615<\/a> \ud2b9\uc815 \ub124\ud2b8\uc6cc\ud06c \ub9c1\ud06c\uc5d0 \ud544\uc694\ud569\ub2c8\ub2e4<\/p><\/li>\n\n\n\n<li><p>SFP \ubaa8\ub4c8\uc774 \uac10\uc9c0\ub418\uc9c0 \uc54a\uac70\ub098 \uc624\ub958\uac00 \ubc1c\uc0dd\ud560 \ub54c \uc77c\ubc18\uc801\uc778 \ubb38\uc81c \ud574\uacb0 \ubc29\ubc95<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uac00\uc774\ub4dc\ub97c \ub9c8\uce58\uba74, \uc2e0\ub8b0\uc131 \uc788\ub294 \uad11\uc12c\uc720 \ub124\ud2b8\uc6cc\ud06c \uc6b4\uc601\uc744 \uc704\ud574 \uc62c\ubc14\ub978 SFP \ubaa8\ub4c8\uc744 \uc2e0\uc18d\ud558\uac8c \uac80\uc99d\ud558\uace0 \uc9c4\ub2e8\ud558\uba70 \uc120\ud0dd\ud558\ub294 \ubc29\ubc95\uc744 \uc774\ud574\ud558\uac8c \ub420 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f SFP \ubaa8\ub4c8\uc774\ub780 \ubb34\uc5c7\uc774\uba70, \uc65c \uc774\ub97c \uc810\uac80\ud574\uc57c \ud558\ub294\uac00<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud558\ub098\uc758 <strong>SFP \ubaa8\ub4c8(Small Form-factor Pluggable \ud2b8\ub79c\uc2a4\uc2dc\ubc84)<\/strong> \uc2a4\uc704\uce58, \ub77c\uc6b0\ud130, \uc11c\ubc84 \ub4f1\uc5d0\uc11c \ub124\ud2b8\uc6cc\ud06c \uc7a5\ube44\ub97c \uad11\uc12c\uc720 \ub610\ub294 \uad6c\ub9ac \ucf00\uc774\ube14\uc5d0 \uc5f0\uacb0\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub418\ub294 \uc18c\ud615 \ud56b\uc2a4\uc651 \uac00\ub2a5 \uc778\ud130\ud398\uc774\uc2a4\uc785\ub2c8\ub2e4. SFP \ud45c\uc900\uc740 \ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \uc8fc\uc694 \ub124\ud2b8\uc6cc\ud06c \ud558\ub4dc\uc6e8\uc5b4\ub97c \ubcc0\uacbd\ud558\uc9c0 \uc54a\uace0\ub3c4 \ub2e4\uc911\ubaa8\ub4dc \uad11\uc12c\uc720, \ub2e8\uc77c\ubaa8\ub4dc \uad11\uc12c\uc720 \ub610\ub294 \uad6c\ub9ac \uc774\ub354\ub137\uacfc \uac19\uc740 \ub2e4\uc591\ud55c \uc804\uc1a1 \ubc29\uc2dd\uc744 \uc27d\uac8c \uc801\uc6a9\ud560 \uc218 \uc788\ub3c4\ub85d \ud574 \uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \ubaa8\ub4c8\uc740 \uae30\uac00\ube44\ud2b8 \uc774\ub354\ub137, 10\uae30\uac00\ube44\ud2b8 \uc774\ub354\ub137, \ud30c\uc774\ubc84 \ucc44\ub110 \ubc0f \uae30\ud0c0 \uace0\uc18d \ub124\ud2b8\uc6cc\ud06c \ud504\ub85c\ud1a0\ucf5c\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ub610\ud55c \uc774 \ubaa8\ub4c8\uc740 \uad50\uccb4 \uac00\ub2a5\ud558\uba70 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/multi-source-agreements-optical-transceivers\/\"><strong>\ub2e4\uc911 \uacf5\uae09\uc5c5\uccb4 \ud569\uc758 <\/strong><\/a><strong>(MSA)<\/strong>, \uc11c\ub85c \ub2e4\ub978 \ubca4\ub354\uc758 SFP \ud2b8\ub79c\uc2a4\uc2dc\ubc84\uac00 \ud638\ud658 \uac00\ub2a5\ud55c \ub124\ud2b8\uc6cc\ud0b9 \uc7a5\ube44\uc640 \uc885\uc885 \uc791\ub3d9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub7ec\ub098 SFP \ubaa8\ub4c8\uc740 \uc2a4\uc704\uce58 \ud3ec\ud2b8\uc640 \ub124\ud2b8\uc6cc\ud06c \ucf00\uc774\ube14 \uc0ac\uc774\uc758 \ubb3c\ub9ac \uacc4\uce35 \uc778\ud130\ud398\uc774\uc2a4 \uc5ed\ud560\uc744 \ud558\ubbc0\ub85c, \ubaa8\ub4c8\uc5d0 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud558\uba74 \uc989\uc2dc \ub9c1\ud06c \uc548\uc815\uc131\uacfc \uc131\ub2a5\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ub530\ub77c\uc11c \ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \ub124\ud2b8\uc6cc\ud06c \ubb38\uc81c\ub97c \ud574\uacb0\ud560 \ub54c \uc790\uc8fc <strong>SFP \ubaa8\ub4c8 \uc0c1\ud0dc\ub97c \uc810\uac80\ud574\uc57c \ud569\ub2c8\ub2e4<\/strong>, \uad11\ud559 \ub9e4\uac1c\ubcc0\uc218\ub97c \ubaa8\ub2c8\ud130\ub9c1\ud558\uace0 \ud638\ud658\uc131\uc744 \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a24000a3bc3e45428255531784fa48b6.jpg\" alt=\"What Is an SFP Module and Why Checking It Matters\" class=\"wp-image-2868\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a24000a3bc3e45428255531784fa48b6.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a24000a3bc3e45428255531784fa48b6-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a24000a3bc3e45428255531784fa48b6-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a24000a3bc3e45428255531784fa48b6-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a24000a3bc3e45428255531784fa48b6-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\uc5d4\uc9c0\ub2c8\uc5b4\uac00 SFP \ubaa8\ub4c8 \uc0c1\ud0dc\ub97c \uc810\uac80\ud558\ub294 \uc774\uc720<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \ubaa8\ub4c8 \uc810\uac80\uc740 \ub124\ud2b8\uc6cc\ud06c \uc6b4\uc601\uc5d0\uc11c \uc77c\uc0c1\uc801\uc778 \uc791\uc5c5\uc785\ub2c8\ub2e4. \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \uc77c\ubc18\uc801\uc73c\ub85c <strong>SFP \uc9c4\ub2e8<\/strong> \uc744 \uc218\ud589\ud558\uc5ec \ud2b8\ub79c\uc2a4\uc2dc\ubc84\uac00 \uc815\uc0c1\uc801\uc73c\ub85c \uc791\ub3d9\ud558\uace0 \uad11\ud559 \ub9c1\ud06c\uac00 \uc608\uc0c1 \uc131\ub2a5 \uc218\uc900\uc744 \ucda9\uc871\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \ubaa8\ub4c8\uc744 \uc810\uac80\ud574\uc57c \ud558\ub294 \uc77c\ubc18\uc801\uc778 \uc774\uc720 <strong>SFP \ubaa8\ub4c8\uc744 \uc810\uac80\ud569\ub2c8\ub2e4<\/strong> \uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc2a4\uc704\uce58\uac00 <strong>SFP \ubaa8\ub4c8\uc744 \uc62c\ubc14\ub974\uac8c \uac10\uc9c0\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4 <\/strong><a href=\"https:\/\/www.l-p.com\/products\/488474.htm\" target=\"_self\"><strong>SFP \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/strong><\/a><\/p><\/li>\n\n\n\n<li><p>\ub9c1\ud06c \uc0c1\ud0dc \ubc0f \uc778\ud130\ud398\uc774\uc2a4 \ud65c\ub3d9\uc744 \uc810\uac80\ud569\ub2c8\ub2e4 <strong>\ub9c1\ud06c \uc0c1\ud0dc \ubc0f \uc778\ud130\ud398\uc774\uc2a4 \ud65c\ub3d9\uc744 \uc810\uac80\ud569\ub2c8\ub2e4<\/strong><\/p><\/li>\n\n\n\n<li><p>\ub514\uc9c0\ud138 \uad11\ud559 \ubaa8\ub2c8\ud130\ub9c1(DOM\/DDM) \uac12\uc744 \uc77d\uc2b5\ub2c8\ub2e4 <strong>\ub514\uc9c0\ud138 \uad11\ud559 \ubaa8\ub2c8\ud130\ub9c1(DOM\/DDM)<\/strong> \uc1a1\uc2e0 \ubc0f \uc218\uc2e0 \uad11 \ucd9c\ub825\uacfc \uac19\uc740 \uac12<\/p><\/li>\n\n\n\n<li><p>\ub124\ud2b8\uc6cc\ud06c \uc2a4\uc704\uce58\uc640\uc758 \ud638\ud658\uc131\uc744 \ud655\uc778\ud569\ub2c8\ub2e4 <strong>\ubaa8\ub4c8 <\/strong><a href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/how-to-test-sfp-compatibility\/\" target=\"_blank\" rel=\"\"><strong>\ud638\ud658\uc131<\/strong><\/a><strong> \ub124\ud2b8\uc6cc\ud06c \uc2a4\uc704\uce58\uc640\uc758 \ud638\ud658\uc131\uc744 \ud655\uc778\ud569\ub2c8\ub2e4<\/strong><\/p><\/li>\n\n\n\n<li><p>\ube44\uc815\uc0c1\uc801\uc778 \uc628\ub3c4 \ub610\ub294 \uc804\uc555 \uc870\uac74\uc744 \uc2dd\ubcc4\ud569\ub2c8\ub2e4<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub300\ubd80\ubd84\uc758 \uc5d4\ud130\ud504\ub77c\uc774\uc988 \ub124\ud2b8\uc6cc\ud06c \uc2a4\uc704\uce58\ub294 \uad00\ub9ac\uc790\uac00 CLI\uc5d0\uc11c \uc9c1\uc811 SFP \uc9c4\ub2e8\uc744 \uc218\ud589\ud560 \uc218 \uc788\ub3c4\ub85d \ub0b4\uc7a5\ub41c \uba85\ub839\uc5b4\ub97c \uc81c\uacf5\ud558\ubbc0\ub85c, \uc804\uc6a9 \uc678\ubd80 \ub3c4\uad6c \uc5c6\uc774\ub3c4 \ud558\ub4dc\uc6e8\uc5b4 \ub610\ub294 \uad11\ud559 \ubb38\uc81c\ub97c \uc27d\uac8c \uac10\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SFP \ubaa8\ub4c8\uacfc \uad00\ub828\ub41c \uc77c\ubc18\uc801\uc778 \ub124\ud2b8\uc6cc\ud06c \uc7a5\uc560<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9ce\uc740 \uad11\uc12c\uc720 \ub124\ud2b8\uc6cc\ud06c \ubb38\uc81c\ub294 \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \ub610\ub294 \uadf8 \uad11\uc12c\uc720 \uc778\ud504\ub77c \uc5f0\uacb0\uacfc \uc9c1\uc811\uc801\uc73c\ub85c \uad00\ub828\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c \uc911\ub2e8 \ub610\ub294 \ubd88\uc548\uc815\ud55c \ub9c1\ud06c\ub97c \ud574\uacb0\ud560 \ub54c \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \uc885\uc885 SFP \ubaa8\ub4c8 \uc810\uac80\ubd80\ud130 \uc2dc\uc791\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00\uc7a5 \ud754\ud55c \uc77c\ubd80 <strong>SFP \uad00\ub828 \uc7a5\uc560<\/strong> \uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 290px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"290\"><p>\ubb38\uc81c<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc124\uba85<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"290\"><p>\uc9c0\uc6d0\ub418\uc9c0 \uc54a\ub294 \ubaa8\ub4c8<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc2a4\uc704\uce58 \ud38c\uc6e8\uc5b4\uac00 \uc2b9\uc778\ub418\uc9c0 \uc54a\uac70\ub098 \ud638\ud658\ub418\uc9c0 \uc54a\ub294 SFP \ubaa8\ub4c8\uc744 \uac70\ubd80\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"290\"><p>\ub0ae\uc740 RX \uad11\ud559 \uc804\ub825<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uae34 \uac70\ub9ac, \uc624\uc5fc\ub41c \ucee4\ub125\ud130 \ub610\ub294 \uc190\uc0c1\ub41c \uad11\uc12c\uc720\ub85c \uc778\ud55c \uc57d\ud55c \uc218\uc2e0 \uc2e0\ud638<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"290\"><p>\uad11\uc12c\uc720 \ubd88\uc77c\uce58<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uba40\ud2f0\ubaa8\ub4dc \uad11\uc12c\uc720\ub97c \uc0ac\uc6a9\ud558\uba74\uc11c <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476763.htm\">\uc7a5\uac70\ub9ac \ubc0f \ud5a5\ud6c4 \ud655\uc7a5\uc131\uc744 \uace0\ub824\ud55c \ub9c1\ud06c\uc5d0\ub294 \ub2e8\uc77c\ubaa8\ub4dc SFP <\/a>\ub610\ub294 \uadf8 \ubc18\ub300\uc758 \uacbd\uc6b0<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"290\"><p>\uc624\uc5fc\ub41c \ucee4\ub125\ud130<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uad11\uc12c\uc720 \ucee4\ub125\ud130\uc5d0 \uc313\uc778 \uba3c\uc9c0\ub098 \uc624\uc5fc\ubb3c\uc9c8\ub85c \uc778\ud55c \uc2e0\ud638 \uc190\uc2e4<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"290\"><p>\ud558\ub4dc\uc6e8\uc5b4 \uace0\uc7a5<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub178\ud6c4\ud654\ub418\uac70\ub098 \uacb0\ud568 \uc788\ub294 SFP \ubaa8\ub4c8\ub85c \uc778\ud55c \uac04\ud5d0\uc801 \ub9c1\ud06c \ub04a\uae40<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uac04\ub2e8\ud55c <strong>SFP \ubaa8\ub4c8 \uc810\uac80\uc744 \uc218\ud589\ud568\uc73c\ub85c\uc368<\/strong>, \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \ubb38\uc81c\uc758 \uc6d0\uc778\uc774 \ud2b8\ub79c\uc2a4\uc2dc\ubc84, \uad11\ucf00\uc774\ube14 \ub610\ub294 \ub124\ud2b8\uc6cc\ud06c \uad6c\uc131\uc5d0\uc11c \ube44\ub86f\ub418\uc5c8\ub294\uc9c0 \uc2e0\uc18d\ud788 \ud310\ub2e8\ud560 \uc218 \uc788\uc5b4, \ub370\uc774\ud130\uc13c\ud130 \ubc0f \uc5d4\ud130\ud504\ub77c\uc774\uc988 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \ubb38\uc81c \ud574\uacb0 \uc2dc\uac04\uc744 \ud06c\uac8c \ub2e8\ucd95\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c SFP \ubaa8\ub4c8\uc758 \uc791\ub3d9 \uc6d0\ub9ac\uc640 SFP \uc9c4\ub2e8 \ubc0f \ub9c1\ud06c \uc0c1\ud0dc\ub97c \uc62c\ubc14\ub974\uac8c \ud655\uc778\ud558\ub294 \ubc29\ubc95\uc744 \uc774\ud574\ud558\ub294 \uac83\uc740 \uc548\uc815\uc801\uc774\uace0 \uc2e0\ub8b0\uc131 \ub192\uc740 \uad11\uc12c\uc720 \ub124\ud2b8\uc6cc\ud06c \uc5f0\uacb0\uc744 \uc720\uc9c0\ud558\uae30 \uc704\ud55c \ud544\uc218\uc801\uc778 \ub2e8\uacc4\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f \uc2dc\uc2a4\ucf54 \uc2a4\uc704\uce58\uc5d0\uc11c SFP \ubaa8\ub4c8 \ud655\uc778 \ubc29\ubc95<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub124\ud2b8\uc6cc\ud06c \uc6b4\uc601\uc5d0\uc11c \uac00\uc7a5 \ud754\ud55c \uc9c8\ubb38 \uc911 \ud558\ub098\ub294 <strong>\u201c\uc2dc\uc2a4\ucf54 \uc2a4\uc704\uce58\uc5d0\uc11c SFP \ubaa8\ub4c8\uc744 \uc5b4\ub5bb\uac8c \ud655\uc778\ud558\ub098\uc694?\u201d\uc785\ub2c8\ub2e4.\u201d<\/strong> \uc2dc\uc2a4\ucf54 \uc7a5\uce58\ub294 \uad00\ub9ac\uc790\uac00 SFP \ubaa8\ub4c8\uc774 \uc124\uce58\ub418\uc5c8\ub294\uc9c0 \ud655\uc778\ud558\uace0, \ubaa8\ub378\uc744 \uc2dd\ubcc4\ud558\uba70, \uc9c4\ub2e8 \uc815\ubcf4\ub97c \uc77d\uc744 \uc218 \uc788\ub3c4\ub85d \uc5ec\ub7ec \ub0b4\uc7a5 CLI \uba85\ub839\uc5b4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2dc\uc2a4\ucf54 \uc2a4\uc704\uce58\uc5d0\uc11c SFP \ubaa8\ub4c8\uc744 \uc810\uac80\ud558\ub294 \uc791\uc5c5\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc778\ud130\ud398\uc774\uc2a4 \uc0c1\ud0dc\ub97c \ud655\uc778\ud558\uace0, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/blog\/how-to-install-an-sfp-module-step-by-step-guide.htm\">\uc124\uce58\ub41c \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub97c \uc2dd\ubcc4\ud558\uba70,<\/a>, \uad11\ud559 \uc9c4\ub2e8 \uc815\ubcf4(DOM\/DDM \ub370\uc774\ud130)\ub97c \uc77d\ub294 \uac83\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uba85\ub839\uc5b4\ub294 \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \ub9c1\ud06c \ubb38\uc81c\uc758 \uc6d0\uc778\uc774 SFP \ubaa8\ub4c8, \uad11\ucf00\uc774\ube14 \ub610\ub294 \uc2a4\uc704\uce58 \ud3ec\ud2b8 \uc911 \uc5b4\ub514\uc5d0\uc11c \ube44\ub86f\ub418\uc5c8\ub294\uc9c0\ub97c \uc2e0\uc18d\ud788 \ud30c\uc545\ud558\ub294 \ub370 \ub3c4\uc6c0\uc744 \uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/36e0699706fd43e4b45c1f6b6fdb4d49.jpg\" alt=\"How to Check an SFP Module on a Cisco Switch\" class=\"wp-image-2869\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/36e0699706fd43e4b45c1f6b6fdb4d49.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/36e0699706fd43e4b45c1f6b6fdb4d49-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/36e0699706fd43e4b45c1f6b6fdb4d49-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/36e0699706fd43e4b45c1f6b6fdb4d49-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/36e0699706fd43e4b45c1f6b6fdb4d49-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc544\ub798\ub294 SFP \ubaa8\ub4c8\uc744 \uc810\uac80\ud558\uae30 \uc704\ud574 \uac00\uc7a5 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 Cisco CLI \uba85\ub839\uc5b4\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 350px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"350\"><p>\uba85\ub839\uc5b4<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\ubaa9\uc801<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"350\"><p><code>show interface status<\/code><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud3ec\ud2b8 \uc0c1\ud0dc, \ub9c1\ud06c \uc0c1\ud0dc, \uc18d\ub3c4 \ubc0f SFP \ubaa8\ub4c8 \uac10\uc9c0 \uc5ec\ubd80\ub97c \ud45c\uc2dc\ud569\ub2c8\ub2e4<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"350\"><p><code>\uc778\ubca4\ud1a0\ub9ac \ud45c\uc2dc<\/code><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc124\uce58\ub41c \ud558\ub4dc\uc6e8\uc5b4 \uad6c\uc131 \uc694\uc18c\ub97c \ubaa8\ub450 \ub098\uc5f4\ud569\ub2c8\ub2e4 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-25832-1-2-4g-transceiver-modules.htm\">SFP \uc804\uc1a1\uae30<\/a> \ubc0f \ud574\ub2f9 \ubaa8\ub378 \ubc88\ud638<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"350\"><p><code>show interfaces transceiver<\/code><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc874\uc7ac \uc5ec\ubd80 \ubc0f \uc720\ud615\uacfc \uac19\uc740 \uae30\ubcf8 SFP \uc815\ubcf4\ub97c \ud45c\uc2dc\ud569\ub2c8\ub2e4<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"350\"><p><code>show interfaces transceiver detail<\/code><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc628\ub3c4, \uc804\uc555, TX \ucd9c\ub825 \uc804\ub825, RX \uc785\ub825 \uc804\ub825\uc744 \ud3ec\ud568\ud55c \uc0c1\uc138 \uad11 \uc9c4\ub2e8 \uc815\ubcf4\ub97c \ud45c\uc2dc\ud569\ub2c8\ub2e4<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">1\ub2e8\uacc4: \uc778\ud130\ud398\uc774\uc2a4 \uc0c1\ud0dc \ud655\uc778<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \ubaa8\ub4c8\uc744 \uac80\uc99d\ud560 \ub54c \uccab \ubc88\uc9f8 \ub2e8\uacc4\ub294 \uc778\ud130\ud398\uc774\uc2a4\uac00 \ud65c\uc131\ud654\ub418\uc5b4 \uc788\ub294\uc9c0\uc640 \uc2a4\uc704\uce58\uc5d0\uc11c \uc778\uc2dd\ub418\ub294\uc9c0 \ud655\uc778\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>show interface status<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uba85\ub839\uc5b4\ub294 \ub2e4\uc74c\uc744 \ud3ec\ud568\ud55c \uc8fc\uc694 \uc778\ud130\ud398\uc774\uc2a4 \uc815\ubcf4\ub97c \ud45c\uc2dc\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ud3ec\ud2b8 \uc0c1\ud0dc(connected \/ notconnect)<\/p><\/li>\n\n\n\n<li><p>\uc18d\ub3c4(1G \/ 10G)<\/p><\/li>\n\n\n\n<li><p>\ub4c0\ud50c\ub809\uc2a4 \ubaa8\ub4dc<\/p><\/li>\n\n\n\n<li><p>\ubaa8\ub4c8 \uac10\uc9c0 \uc5ec\ubd80<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud3ec\ud2b8\uc5d0 <strong>\u201cnotconnect\u201d<\/strong>, \ub77c\uace0 \ud45c\uc2dc\ub418\uba74, \ubb38\uc81c\ub294 \uad11\uc12c\uc720 \ucf00\uc774\ube14, \uc6d0\uaca9 \uc7a5\uce58 \ub610\ub294 SFP \ubaa8\ub4c8 \uc790\uccb4\uc640 \uad00\ub828\uc774 \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2\ub2e8\uacc4: \uc124\uce58\ub41c SFP \ubaa8\ub4c8 \uc2dd\ubcc4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc124\uce58\ub41c SFP \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub97c \ud655\uc778\ud558\ub824\uba74 \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc774 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c \uba85\ub839\uc5b4\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\uc778\ubca4\ud1a0\ub9ac \ud45c\uc2dc<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uba85\ub839\uc5b4\ub294 \uc124\uce58\ub41c \ud2b8\ub79c\uc2a4\uc2dc\ubc84\uc758 <strong>\ud558\ub4dc\uc6e8\uc5b4 \ubaa8\ub378, \uacf5\uae09\uc5c5\uccb4 \uc815\ubcf4 \ubc0f \uc77c\ub828\ubc88\ud638<\/strong> \ub97c \ub098\uc5f4\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc62c\ubc14\ub978 SFP \ubaa8\ub4c8\uc774 \uc0ac\uc6a9\ub418\uace0 \uc788\ub294\uc9c0 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3\ub2e8\uacc4: \uad11 \uc9c4\ub2e8(DOM\/DDM) \uc810\uac80<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ubcf4\ub2e4 \uc2ec\uce35\uc801\uc778 <strong>SFP \uc9c4\ub2e8<\/strong>, \ubd84\uc11d\uc744 \uc704\ud574 Cisco \uc2a4\uc704\uce58\ub294 \uc2e4\uc2dc\uac04 \uad11 \ubaa8\ub2c8\ud130\ub9c1 \ub370\uc774\ud130\ub97c \ud45c\uc2dc\ud558\ub294 \uba85\ub839\uc5b4\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>show interfaces transceiver<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\ub610\ub294<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>show interfaces transceiver detail<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \uba85\ub839\uc5b4\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc911\uc694\ud55c \ud30c\ub77c\ubbf8\ud130\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ubaa8\ub4c8 \uc628\ub3c4<\/p><\/li>\n\n\n\n<li><p>\uacf5\uae09 \uc804\uc555<\/p><\/li>\n\n\n\n<li><p>\ub808\uc774\uc800 \ubc14\uc774\uc5b4\uc2a4 \uc804\ub958<\/p><\/li>\n\n\n\n<li><p>\uc1a1\uc2e0 \uad11 \ucd9c\ub825(TX)<\/p><\/li>\n\n\n\n<li><p>\uc218\uc2e0 \uad11 \ucd9c\ub825(RX)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \uac12\ub4e4\uc744 \ubd84\uc11d\ud568\uc73c\ub85c\uc368 \uc5d4\uc9c0\ub2c8\uc5b4\ub294 SFP \ubaa8\ub4c8\uc774 \uc815\uc0c1 \ubc94\uc704 \ub0b4\uc5d0\uc11c \uc791\ub3d9 \uc911\uc778\uc9c0, \ub610\ub294 \uad11 \uc2e0\ud638 \ubb38\uc81c\ub97c \uacaa\uace0 \uc788\ub294\uc9c0\ub97c \ud310\ub2e8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>SFP \ubb38\uc81c \ud574\uacb0\uc744 \uc704\ud55c \uc774\ub7ec\ud55c \uba85\ub839\uc5b4\uc758 \uc911\uc694\uc131<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c Cisco \uba85\ub839\uc5b4\ub97c \uc0ac\uc6a9\ud558\uba74 \uad00\ub9ac\uc790\uac00 SFP \ubaa8\ub4c8 \uc0c1\ud0dc\ub97c \uc2e0\uc18d\ud788 \uc810\uac80\ud558\uace0 \uc5f0\uacb0 \ubb38\uc81c\ub97c \uc9c4\ub2e8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>SFP\uac00 <strong>\uac10\uc9c0\ub418\uc9c0 \uc54a\uc73c\uba74<\/strong>, \ubaa8\ub4c8\uc774 \ud638\ud658\ub418\uc9c0 \uc54a\uac70\ub098 \uacb0\ud568\uc774 \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p>\ub9cc\uc57d <strong>RX \uc804\ub825\uc774 \ub108\ubb34 \ub0ae\uc73c\uba74<\/strong>, \uad11\uc12c\uc720 \ucf00\uc774\ube14\uc774 \uc190\uc0c1\ub418\uc5c8\uac70\ub098 \uc9c0\ub098\uce58\uac8c \uae38 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p>\ub9cc\uc57d <strong>\uc628\ub3c4 \uac12\uc774 \ube44\uc815\uc0c1\uc801\uc774\uba74<\/strong>, \ud2b8\ub79c\uc2a4\uc2dc\ubc84\uac00 \uacfc\uc5f4\ub418\uace0 \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c CLI \uc9c4\ub2e8\uc744 \ud1b5\ud55c SFP \uc0c1\ud0dc \uc815\uae30 \uc810\uac80\uc740 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/sfp-troubleshooting-quick-checklist\/\">SFP \ubb38\uc81c \ud574\uacb0<\/a> \uc548\uc815\uc801\uc778 \uad11\uc12c\uc720 \ub124\ud2b8\uc6cc\ud06c \uc5f0\uacb0\uc744 \ud655\ubcf4\ud558\uace0 \uc720\uc9c0\ud558\ub294 \ub370 \uc788\uc5b4 \ud544\uc218\uc801\uc778 \ub2e8\uacc4\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f SFP \ubaa8\ub4c8 \ud14c\uc2a4\ud2b8 \ubc29\ubc95(\ub2e8\uacc4\ubcc4)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \ubaa8\ub4c8 \ud14c\uc2a4\ud2b8\ub294 \ub124\ud2b8\uc6cc\ud06c \ubb38\uc81c \ud574\uacb0 \ubc0f \uad11 \ub9c1\ud06c \uac80\uc99d\uc758 \ud544\uc218\uc801\uc778 \ubd80\ubd84\uc785\ub2c8\ub2e4. \uad11\uc12c\uc720 \ub9c1\ud06c\uac00 \uc2e4\ud328\ud558\uac70\ub098 \ubd88\uc548\uc815\ud574\uc9c8 \uacbd\uc6b0, \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ubb38\uc81c\uac00 <strong>SFP \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/strong>, <strong>\uad11\uc12c\uc720 \ucf00\uc774\ube14<\/strong> \ub610\ub294 <strong>\uc2a4\uc704\uce58 \ud3ec\ud2b8<\/strong> \uc911 \uc5b4\ub290 \uac83\uc73c\ub85c \uc778\ud55c \uac83\uc778\uc9c0 \ud30c\uc545\ud558\uae30 \uc704\ud574 \uad6c\uc870\ud654\ub41c \ud14c\uc2a4\ud2b8 \uc808\ucc28\ub97c \uc218\ud589\ud569\ub2c8\ub2e4. <strong>SFP \ud2b8\ub79c\uc2a4\uc2dc\ubc84, \uad11\uc12c\uc720 \ucf00\uc774\ube14, \uc2a4\uc704\uce58 \ud3ec\ud2b8<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4ffba1f2fbf64178ad390df9a586b2eb.jpg\" alt=\"How to Test an SFP Module (Step-by-Step)\" class=\"wp-image-2870\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4ffba1f2fbf64178ad390df9a586b2eb.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4ffba1f2fbf64178ad390df9a586b2eb-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4ffba1f2fbf64178ad390df9a586b2eb-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4ffba1f2fbf64178ad390df9a586b2eb-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4ffba1f2fbf64178ad390df9a586b2eb-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc544\ub798\ub294 \uc2e4\uc6a9\uc801\uc778 <strong>SFP \ubaa8\ub4c8 \ud14c\uc2a4\ud2b8\ub97c \uc704\ud55c \ub2e8\uacc4\ubcc4 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/strong>, \uae30\uc5c5 \ub124\ud2b8\uc6cc\ud06c \ubc0f \ub370\uc774\ud130\uc13c\ud130\uc5d0\uc11c \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1\ub2e8\uacc4. \ubb3c\ub9ac\uc801 \uc810\uac80 \uc218\ud589<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \ubaa8\ub4c8\uc744 \ud14c\uc2a4\ud2b8\ud560 \ub54c \uccab \ubc88\uc9f8 \ub2e8\uacc4\ub294 <strong>\ud558\ub4dc\uc6e8\uc5b4 \ubc0f \uad11\uc12c\uc720 \uc5f0\uacb0 \uc0c1\ud0dc\ub97c \uc810\uac80\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c \uc0ac\ud56d\uc744 \ud655\uc778\ud558\uc138\uc694:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Ensure the <strong>SFP \ubaa8\ub4c8\uc774 \uc2a4\uc704\uce58 \ud3ec\ud2b8\uc5d0 \uc644\uc804\ud788 \uc0bd\uc785\ub418\uc5c8\ub294\uc9c0 \ud655\uc778\ud558\uc138\uc694.<\/strong> \uc2a4\uc704\uce58 \ud3ec\ud2b8<\/p><\/li>\n\n\n\n<li><p>LC \ucee4\ub125\ud130\uac00 \uc62c\ubc14\ub974\uac8c \uc5f0\uacb0\ub418\uc5c8\ub294\uc9c0 \ud655\uc778\ud558\uc138\uc694. <strong>LC connectors are properly connected<\/strong><\/p><\/li>\n\n\n\n<li><p>\uad11\uc12c\uc720 \ud328\uce58 \ucf00\uc774\ube14\uc5d0 \uc190\uc0c1\uc774\ub098 \uad74\uace1\uc774 \uc5c6\ub294\uc9c0 \uc810\uac80\ud558\uc138\uc694. <strong>fiber patch cable for damage or bending<\/strong><\/p><\/li>\n\n\n\n<li><p>\uad11\uc12c\uc720 \ucee4\ub125\ud130\ub97c \uccad\uc18c\ud558\uc5ec <strong>\uba3c\uc9c0\ub098 \uc624\uc5fc\ubb3c\uc744 \uc81c\uac70\ud558\uc138\uc694.<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub354\ub7ec\uc6b4 \uad11\uc12c\uc720 \ucee4\ub125\ud130\ub294 <strong>\uad11 \uc2e0\ud638 \uc190\uc2e4 \ubc0f \ubd88\uc548\uc815\ud55c \ub9c1\ud06c\uc758 \uac00\uc7a5 \ud754\ud55c \uc6d0\uc778 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4.<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2\ub2e8\uacc4. \uc2a4\uc704\uce58\uc5d0\uc11c \ub9c1\ud06c \uc0c1\ud0dc \ud655\uc778<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c\uc73c\ub85c, \uc2a4\uc704\uce58\uac00 SFP \ubaa8\ub4c8\uc744 \uac10\uc9c0\ud558\uace0 \uc778\ud130\ud398\uc774\uc2a4\uac00 \ud65c\uc131\ud654\ub418\uc5b4 \uc788\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub300\ubd80\ubd84\uc758 \uc2a4\uc704\uce58\uc5d0\uc11c \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \ub2e4\uc74c \uc0ac\ud56d\uc744 \uc810\uac80\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\uc778\ud130\ud398\uc774\uc2a4 \uc0c1\ud0dc<\/strong><\/p><\/li>\n\n\n\n<li><p><strong>\ub9c1\ud06c \uc18d\ub3c4<\/strong><\/p><\/li>\n\n\n\n<li><p><strong>\ud3ec\ud2b8 \uc0c1\ud0dc(\uc5c5\/\ub2e4\uc6b4)<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc778\ud130\ud398\uc774\uc2a4\uc5d0\uc11c <strong>\ub9c1\ud06c \uc5c6\uc74c<\/strong>, \uc774 \ud45c\uc2dc\uac00 \ub098\ud0c0\ub098\uba74, \ubb38\uc81c\ub294 \ub2e4\uc74c\uacfc \uad00\ub828 \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ud638\ud658\ub418\uc9c0 \uc54a\ub294 SFP \ubaa8\ub4c8<\/p><\/li>\n\n\n\n<li><p>\uc5f0\uacb0\ub418\uc9c0 \uc54a\uc740 \uad11\uc12c\uc720 \ucf00\uc774\ube14<\/p><\/li>\n\n\n\n<li><p>\uc798\ubabb\ub41c \uad11\uc12c\uc720 \uc720\ud615<\/p><\/li>\n\n\n\n<li><p>\uacb0\ud568 \uc788\ub294 \uc2a4\uc704\uce58 \ud3ec\ud2b8<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9c1\ud06c \uc0c1\ud0dc\ub97c \uc810\uac80\ud558\uba74 <strong>SFP \ubaa8\ub4c8\uc774 \uc6d0\uaca9 \uc7a5\uce58\uc640 \ud1b5\uc2e0\ud558\uace0 \uc788\ub294\uc9c0 \uc5ec\ubd80\ub97c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3\ub2e8\uacc4. \uad11 \uc9c4\ub2e8 \uc815\ubcf4(DDM \/ DOM) \uc77d\uae30<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub300\ubd80\ubd84\uc758 \ucd5c\uc2e0 SFP \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub294 <strong>\ub514\uc9c0\ud138 \uad11 \ubaa8\ub2c8\ud130\ub9c1(<strong>DOM<\/strong>)<\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/ddm-dom-in-optical-transceivers\/\"><strong>DOM<\/strong><\/a><strong>\ub610\ub294 \ub514\uc9c0\ud138 \uc9c4\ub2e8 \ubaa8\ub2c8\ud130\ub9c1(DDM)\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/strong>, \uc774\ub294 \uc2e4\uc2dc\uac04 \uc131\ub2a5 \ub370\uc774\ud130\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \ub9e4\uac1c\ubcc0\uc218\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\ud30c\ub77c\ubbf8\ud130<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc758\ubbf8\ud558\ub294 \ubc14<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uc628\ub3c4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub0b4\ubd80 \ubaa8\ub4c8 \uc628\ub3c4<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uc804\uc555<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ubaa8\ub4c8\uc5d0 \uacf5\uae09\ub418\ub294 \uc804\uae30\uc801 \uc804\ub825<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>TX \uad11 \ucd9c\ub825<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc1a1\uc2e0 \uad11 \uc2e0\ud638\uc758 \uac15\ub3c4<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>RX \uad11 \ucd9c\ub825<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc218\uc2e0 \uad11 \uc2e0\ud638\uc758 \uac15\ub3c4<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u2013 \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc\ub97c \uad6c\ub3d9\ud558\ub294 \uc804\ub958\ub97c \ubaa8\ub2c8\ud130\ub9c1\ud558\uc5ec \ub178\ud6c4\ud654\ub098 \uc784\ubc15\ud55c \uace0\uc7a5\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub808\uc774\uc800 \uc791\ub3d9 \uc804\ub958<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9cc\uc57d <strong>RX \uad11 \ucd9c\ub825\uc774 \ub108\ubb34 \ub0ae\uc740 \uacbd\uc6b0<\/strong>, \uad11\uc12c\uc720 \ub9c1\ud06c\uc5d0\uc11c \uac10\uc1e0 \ub610\ub294 \uc5f0\uacb0 \ubb38\uc81c\ub97c \uacaa\uace0 \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub9cc\uc57d <strong>\uc628\ub3c4 \ub610\ub294 \uc804\uc555\uc774 \ube44\uc815\uc0c1\uc801\uc778 \uacbd\uc6b0<\/strong>, SFP \ubaa8\ub4c8\uc774 \ud558\ub4dc\uc6e8\uc5b4 \uace0\uc7a5 \uc9c1\uc804\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4\ub2e8\uacc4. \uad11\uc12c\uc720 \uc720\ud615 \ubc0f \ud638\ud658\uc131 \ud655\uc778<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \ubaa8\ub4c8\uc744 \ud14c\uc2a4\ud2b8\ud560 \ub54c \ub610 \ub2e4\ub978 \uc911\uc694\ud55c \ub2e8\uacc4\ub294 <strong>\uad11\uc12c\uc720 \uc720\ud615\uc774 <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/blog\/optical-transceiver-datasheet-guide-sfp-specs-pdf-downloads.htm\"><strong>\ud2b8\ub79c\uc2a4\ub9ac\ubc84 \uc0ac\uc591\uacfc \uc77c\uce58\ud558\ub294\uc9c0 \ud655\uc778\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/strong><\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \ubd88\uc77c\uce58 \uc0ac\ub840\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>SFP \uc720\ud615<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\ud544\uc694\ud55c \uad11\uc12c\uc720<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/475415.htm\">10GBASE-SR<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uba40\ud2f0\ubaa8\ub4dc \uad11\uc12c\uc720(OM3 \/ OM4)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/475586.htm\">10GBASE-LR<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc2f1\uae00\ubaa8\ub4dc \uc12c\uc720<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-27039-1g-bidi-sfp.htm\">BiDi SFP<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud30c\uc7a5 \uc30d\uc744 \uc0ac\uc6a9\ud558\ub294 \uc2f1\uae00 \ud30c\uc774\ubc84<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc798\ubabb\ub41c \uad11\uc12c\uc720 \uc720\ud615\uc744 \uc0ac\uc6a9\ud558\uba74 SFP \ubaa8\ub4c8 \uc790\uccb4\uac00 \uc815\uc0c1\uc801\uc73c\ub85c \uc791\ub3d9\ud558\ub354\ub77c\ub3c4 \ub9c1\ud06c\uac00 \uc124\uc815\ub418\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5\ub2e8\uacc4. SFP \ubaa8\ub4c8 \uad50\uccb4 \ub610\ub294 \uad50\ud658<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\uc804 \uc810\uac80\uc73c\ub85c \ubb38\uc81c\uac00 \ud574\uacb0\ub418\uc9c0 \uc54a\uc73c\uba74, \ub9c8\uc9c0\ub9c9 \ub2e8\uacc4\ub294 <strong>\uc815\uc0c1 \uc791\ub3d9\uc774 \ud655\uc778\ub41c \ud2b8\ub79c\uc2a4\ub9ac\ubc84\ub85c SFP \ubaa8\ub4c8\uc744 \uad50\uccb4\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ud14c\uc2a4\ud2b8\ub294 \ubb38\uc81c\ub97c \uaca9\ub9ac\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub2e4\ub978 SFP\ub85c \ub9c1\ud06c\uac00 \uc815\uc0c1 \uc791\ub3d9\ud55c\ub2e4\uba74, \uc6d0\ub798 \ubaa8\ub4c8\uc740 \uc544\ub9c8\ub3c4 <strong>\uacb0\ud568\uc774 \uc788\ub294 \uac83\uc785\ub2c8\ub2e4.<\/strong>.<\/p><\/li>\n\n\n\n<li><p>\ubb38\uc81c\uac00 \uc9c0\uc18d\ub41c\ub2e4\uba74, \uc774\ub294 <strong>\uad11\ucf00\uc774\ube14 \ub610\ub294 \uc2a4\uc704\uce58 \ud3ec\ud2b8\uc640 \uad00\ub828\ub41c \ubb38\uc81c\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/strong>.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \ubaa8\ub4c8\uc740 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/the-hot-pluggable-nature-of-optical-modules\/\">\ud638\uc2a4\ud2b8-swappable<\/a>, \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \uc2a4\uc704\uce58\uc758 \uc804\uc6d0\uc744 \ucc28\ub2e8\ud558\uc9c0 \uc54a\uace0\ub3c4 \uc548\uc804\ud558\uac8c \uad50\uccb4\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c, \uc6b4\uc601 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \ubb38\uc81c \ud574\uacb0 \uc18d\ub3c4\uac00 \ube68\ub77c\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \uccb4\uacc4\uc801\uc778 SFP \ud14c\uc2a4\ud2b8 \uc808\ucc28\ub97c \ub530\ub974\uba74<strong>s<\/strong> \ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \ubb38\uc81c\uac00 \ud2b8\ub79c\uc2a4\ub9ac\ubc84, \uad11\uc12c\uc720 \uc778\ud504\ub77c, \ub610\ub294 \ub124\ud2b8\uc6cc\ud06c \uc7a5\ube44 \uc911 \uc5b4\ub514\uc5d0\uc11c \ube44\ub86f\ub418\uc5c8\ub294\uc9c0\ub97c \uc2e0\uc18d\ud788 \ud30c\uc545\ud560 \uc218 \uc788\uc5b4 \uac00\ub3d9 \uc911\ub2e8 \uc2dc\uac04\uc744 \uc904\uc774\uace0 \ubb38\uc81c \ud574\uacb0 \ud6a8\uc728\uc131\uc744 \ub192\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f SFP \uc9c4\ub2e8 \uc815\ubcf4(DOM \/ DDM \ub370\uc774\ud130) \uc77d\ub294 \ubc29\ubc95<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub300\ubd80\ubd84\uc758 \ucd5c\uc2e0 SFP \ubc0f SFP+ \ud2b8\ub79c\uc2a4\ub9ac\ubc84\ub294 <strong>\uc740 \uc1a1\uc218\uc2e0 \uc804\ub825, \uc628\ub3c4, \uc804\uc555\uc5d0 \ub300\ud55c \uc2e4\uc2dc\uac04 \uc9c4\ub2e8 \uc815\ubcf4\ub97c \uc81c\uacf5\ud558\uba70, \ud1b5\uc2e0\uc0ac\uc5c5\uc790 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/strong> \ub610\ub294 <strong>\ub514\uc9c0\ud138 \uc9c4\ub2e8 \ubaa8\ub2c8\ud130\ub9c1(DDM)\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/strong>. \uc774\ub7ec\ud55c \uae30\ub2a5\uc744 \ud1b5\ud574 \ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \uad11 \ubaa8\ub4c8\uc758 <strong>\uc2e4\uc2dc\uac04 \uc791\ub3d9 \uc0c1\ud0dc\ub97c \ubaa8\ub2c8\ud130\ub9c1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/strong>, \uc5ec\uae30\uc5d0\ub294 \uc804\uae30\uc801 \uc870\uac74 \ubc0f \uad11 \uc2e0\ud638 \uac15\ub3c4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \uc9c4\ub2e8 \uac12\uc744 \uc77d\ub294 \uac83\uc740 SFP \ubaa8\ub4c8\uc758 \uac74\uac15 \uc0c1\ud0dc\ub97c \uc810\uac80\ud558\uace0 \ub9c1\ud06c \uc7a5\uc560 \ubc1c\uc0dd \uc804\uc5d0 \uc7a0\uc7ac\uc801 \ub124\ud2b8\uc6cc\ud06c \ubb38\uc81c\ub97c \uc2dd\ubcc4\ud558\ub294 \uac00\uc7a5 \ud6a8\uacfc\uc801\uc778 \ubc29\ubc95 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/06c878f9bf75475c943f050553863313-1024x576.jpg\" alt=\"How to Read SFP Diagnostics (DOM \/ DDM Data)\" class=\"wp-image-2871\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/06c878f9bf75475c943f050553863313-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/06c878f9bf75475c943f050553863313-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/06c878f9bf75475c943f050553863313-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/06c878f9bf75475c943f050553863313-18x10.jpg 18w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/06c878f9bf75475c943f050553863313.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc544\ub798\ub294 \uc2a4\uc704\uce58 \ubc0f \ub124\ud2b8\uc6cc\ud06c \uc7a5\ube44\uc5d0\uc11c \uc77c\ubc18\uc801\uc73c\ub85c \ubcf4\uace0\ub418\ub294 <strong>\uc8fc\uc694 SFP \uc9c4\ub2e8 \ub9e4\uac1c\ubcc0\uc218\uc785\ub2c8\ub2e4.<\/strong> typically reported by switches and network equipment.<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 311px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"311\"><p>\ud30c\ub77c\ubbf8\ud130<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc758\ubbf8<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"311\"><p>\uc628\ub3c4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SFP \ubaa8\ub4c8 \ub0b4\ubd80 \uc628\ub3c4 \u2014 \uacfc\uc5f4 \uc5ec\ubd80\ub97c \ubaa8\ub2c8\ud130\ub9c1\ud558\ub294 \ub370 \uc0ac\uc6a9<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"311\"><p>\uc804\uc555<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud2b8\ub79c\uc2a4\ub9ac\ubc84\uc5d0 \uacf5\uae09\ub418\ub294 \uc804\uc6d0 \uc804\uc555<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"311\"><p>TX \uc804\ub825<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ubaa8\ub4c8\uc5d0\uc11c \uad11\uc12c\uc720\ub85c \uc804\uc1a1\ub418\ub294 \uad11 \ucd9c\ub825 \uc804\ub825<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"311\"><p>RX \uc804\ub825<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc6d0\uaca9 \uc7a5\uce58\ub85c\ubd80\ud130 \uc218\uc2e0\ub418\ub294 \uad11 \ucd9c\ub825 \uc804\ub825<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"311\"><p>\u2013 \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc\ub97c \uad6c\ub3d9\ud558\ub294 \uc804\ub958\ub97c \ubaa8\ub2c8\ud130\ub9c1\ud558\uc5ec \ub178\ud6c4\ud654\ub098 \uc784\ubc15\ud55c \uace0\uc7a5\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud2b8\ub79c\uc2a4\ub9ac\ubc84 \ub0b4 \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc\ub97c \uad6c\ub3d9\ud558\ub294 \uc804\ub958<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\uac01 \uc9c4\ub2e8 \ub9e4\uac1c\ubcc0\uc218 \uc774\ud574<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc628\ub3c4<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubaa8\ub4c8 \uc628\ub3c4\ub294 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\uac00 \uc548\uc804\ud55c \uc5f4 \ubc94\uc704 \ub0b4\uc5d0\uc11c \uc791\ub3d9 \uc911\uc778\uc9c0 \uc5ec\ubd80\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uacfc\ub3c4\ud55c \uc5f4\uc740 \uc2a4\uc704\uce58 \ub0b4\ubd80\uc758 \uacf5\uae30 \ud750\ub984\uc774 \ubd80\uc871\ud558\uac70\ub098 \ubaa8\ub4c8\uc774 \uace0\uc7a5\ub098\uace0 \uc788\uc74c\uc744 \ub098\ud0c0\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \uc791\ub3d9 \ubc94\uc704:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>32\u00b0F ~ 158\u00b0F<\/strong> \uc0c1\uc5c5\uc6a9 \ubaa8\ub4c8\uc758 \uacbd\uc6b0<\/p><\/li>\n\n\n\n<li><p><strong>-40\u00b0F ~ 185\u00b0F<\/strong> \uc0b0\uc5c5\uc6a9 \ubaa8\ub4c8\uc758 \uacbd\uc6b0<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc804\uc555<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uacf5\uae09 \uc804\uc555\uc740 \ubaa8\ub4c8\uc758 \uc804\uae30\uc801 \uc548\uc815\uc131\uc744 \ubc18\uc601\ud569\ub2c8\ub2e4. \ube44\uc815\uc0c1\uc801\uc778 \uc804\uc555 \uac12\uc740 \uc2a4\uc704\uce58 \ud3ec\ud2b8\uc758 \uc804\uc6d0 \uc870\uc808 \ubb38\uc81c \ub610\ub294 \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \ub0b4\ubd80 \ud558\ub4dc\uc6e8\uc5b4\uc758 \uc5f4\ud654\ub97c \uc2dc\uc0ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>TX \uad11 \ucd9c\ub825<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">TX \uc804\ub825\uc740 SFP \ubaa8\ub4c8\uc5d0 \uc758\ud574 \uc804\uc1a1\ub418\ub294 \uad11 \uc2e0\ud638\uc758 \uac15\ub3c4\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">TX \uc804\ub825\uc774 \uae30\ub300\ubcf4\ub2e4 \ud604\uc800\ud788 \ub0ae\uc740 \uacbd\uc6b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub808\uc774\uc800\uac00 \uc5f4\ud654\ub418\uace0 \uc788\uc744 \uc218 \uc788\uc74c<\/p><\/li>\n\n\n\n<li><p>\ubaa8\ub4c8\uc5d0 \uacb0\ud568\uc774 \uc788\uc744 \uc218 \uc788\uc74c<\/p><\/li>\n\n\n\n<li><p>SFP\uac00 \uc2a4\uc704\uce58\uc640 \ud638\ud658\ub418\uc9c0 \uc54a\uc744 \uc218 \uc788\uc74c<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>RX \uad11 \ucd9c\ub825<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">RX \uc804\ub825\uc740 \uc6d0\uaca9 \uc7a5\uce58\uc5d0\uc11c \uc218\uc2e0\ub418\ub294 \uad11 \uc2e0\ud638\ub97c \uce21\uc815\ud569\ub2c8\ub2e4. \uc774 \uac12\uc740 \uad11\uc12c\uc720 \ub9c1\ud06c \ubb38\uc81c \ud574\uacb0\uc5d0 \uc788\uc5b4 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub0ae\uc740 RX \uc804\ub825\uc758 \uc6d0\uc778\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uad11\uc12c\uc720 \uac70\ub9ac \uacfc\ub2e4<\/p><\/li>\n\n\n\n<li><p>\uc624\uc5fc\ub41c \ucee4\ub125\ud130<\/p><\/li>\n\n\n\n<li><p>\uc190\uc0c1\ub41c \uad11\uc12c\uc720 \ucf00\uc774\ube14<\/p><\/li>\n\n\n\n<li><p>\uc798\ubabb\ub41c \uad11\uc12c\uc720 \uc885\ub958(SMF \ub300 MMF)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2013 \ub808\uc774\uc800 \ub2e4\uc774\uc624\ub4dc\ub97c \uad6c\ub3d9\ud558\ub294 \uc804\ub958\ub97c \ubaa8\ub2c8\ud130\ub9c1\ud558\uc5ec \ub178\ud6c4\ud654\ub098 \uc784\ubc15\ud55c \uace0\uc7a5\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub808\uc774\uc800 \ubc14\uc774\uc5b4\uc2a4 \uc804\ub958\ub294 \uad11 \uc1a1\uc2e0\uae30\ub97c \uad6c\ub3d9\ud558\ub294 \uc804\uae30 \uc804\ub958\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub808\uc774\uc800\uac00 \ub178\ud6c4\ud654\ub418\uba74, \ubaa8\ub4c8\uc740 \uad11 \ucd9c\ub825 \uc804\ub825\uc744 \uc720\uc9c0\ud558\uae30 \uc704\ud574 \ubcf4\ud1b5 \ubc14\uc774\uc5b4\uc2a4 \uc804\ub958\ub97c \uc99d\uac00\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub192\uc740 \ubc14\uc774\uc5b4\uc2a4 \uc804\ub958\uc640 \ub0ae\uc740 TX \uc804\ub825\uc774 \ub3d9\uc2dc\uc5d0 \ub098\ud0c0\ub098\ub294 \uacbd\uc6b0, SFP \ubaa8\ub4c8\uc774 \ud558\ub4dc\uc6e8\uc5b4 \uace0\uc7a5 \uc9c1\uc804\uc784\uc744 \uac15\ub825\ud788 \uc2dc\uc0ac\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uacb0\ud568 \uc788\ub294 SFP \ubaa8\ub4c8 \uc2dd\ubcc4 \ubc29\ubc95<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DOM\/DDM \uac12\uc744 \ubd84\uc11d\ud568\uc73c\ub85c\uc368 \uc5d4\uc9c0\ub2c8\uc5b4\ub294 SFP \ubaa8\ub4c8\uc774 \uc815\uc0c1\uc801\uc73c\ub85c \uc791\ub3d9\ud558\ub294\uc9c0 \uc2e0\uc18d\ud558\uac8c \ud310\ub2e8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \uacbd\uace0 \uc9d5\ud6c4\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\uc99d\uc0c1<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uac00\ub2a5\ud55c \uc6d0\uc778<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>RX \uc804\ub825\uc774 \uadf9\ub2e8\uc801\uc73c\ub85c \ub0ae\uc74c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc624\uc5fc\ub41c \ucee4\ub125\ud130 \ub610\ub294 \uad11\uc12c\uc720 \uc190\uc0c1<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>TX \uc804\ub825\uc774 \uc815\uc0c1 \ubc94\uc704\ub97c \ubc97\uc5b4\ub0a8<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub808\uc774\uc800 \uc5f4\ud654<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uc628\ub3c4\uac00 \ub108\ubb34 \ub192\uc74c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub0c9\uac01 \ubb38\uc81c \ub610\ub294 \uace0\uc7a5 \uc9c1\uc804 \ubaa8\ub4c8<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\ubc14\uc774\uc5b4\uc2a4 \uc804\ub958\uac00 \ube44\uc815\uc0c1\uc801\uc73c\ub85c \ub192\uc74c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub178\ud6c4\ud654\ub418\uac70\ub098 \uace0\uc7a5 \uc9c1\uc804\uc778 \ub808\uc774\uc800<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>DOM \ub370\uc774\ud130\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc5c6\uc74c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>DOM \ubbf8\uc9c0\uc6d0 SFP \ub610\ub294 \ud638\ud658\uc131 \uc81c\ud55c<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \ube44\uc815\uc0c1\uc801\uc778 \uce21\uc815\uac12\uc774 \ub098\ud0c0\ub0a0 \uacbd\uc6b0, \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uad11\uc12c\uc720 \ucee4\ub125\ud130\ub97c \uccad\uc18c\ud558\uac70\ub098 \uad11\uc12c\uc720 \uc885\ub958\ub97c \ud655\uc778\ud558\uac70\ub098 SFP \ubaa8\ub4c8\uc744 \uad50\uccb4\ud558\uc5ec \uc548\uc815\uc801\uc778 \ub124\ud2b8\uc6cc\ud06c \uc791\ub3d9\uc744 \ubcf5\uc6d0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c SFP \uc9c4\ub2e8 \ubc0f DOM \ub370\uc774\ud130 \ud574\uc11d \ubc29\ubc95\uc744 \uc774\ud574\ud558\ub294 \uac83\uc740 \ud6a8\uc728\uc801\uc778 SFP \ubb38\uc81c \ud574\uacb0 \ubc0f \uad11\uc12c\uc720 \ub124\ud2b8\uc6cc\ud06c \uc720\uc9c0\ubcf4\uc218\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f \uc5b4\ub5a4 SFP \ubaa8\ub4c8\uc744 \uc0ac\uc6a9\ud574\uc57c \ud558\ub294\uc9c0 \ud655\uc778\ud558\ub294 \ubc29\ubc95<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4 \uc0ac\uc774\uc5d0\uc11c \ud754\ud788 \uc81c\uae30\ub418\ub294 \uc9c8\ubb38\uc740 <strong>\u201c\uc5b4\ub5a4 SFP \ubaa8\ub4c8\uc744 \uc0ac\uc6a9\ud574\uc57c \ud558\ub098\uc694?\u201d\uc785\ub2c8\ub2e4.\u201d<\/strong> \uc62c\ubc14\ub978 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub97c \uc120\ud0dd\ud558\ub294 \uac83\uc740 \uc548\uc815\uc801\uc778 \uc5f0\uacb0\uc131, \ucd5c\uc801\uc758 \uc131\ub2a5 \ubc0f \ub124\ud2b8\uc6cc\ud06c \uc7a5\ube44\uc640\uc758 \ud638\ud658\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc801\uc808\ud55c SFP \ubaa8\ub4c8\uc744 \uc120\ud0dd\ud558\ub294 \uac83\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ub124\ud2b8\uc6cc\ud06c \uc18d\ub3c4, \uad11\uc12c\uc720 \uc720\ud615, \uc804\uc1a1 \uac70\ub9ac, \uc791\ub3d9 \ud30c\uc7a5, \ucee4\ub125\ud130 \uc720\ud615 \ub4f1 \uc5ec\ub7ec \ud575\uc2ec \uae30\uc220 \uc694\uc18c\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ub9e4\uac1c\ubcc0\uc218\ub97c \uc774\ud574\ud558\uba74 SFP \ubaa8\ub4c8\uc774 \ub124\ud2b8\uc6cc\ud06c \uc778\ud504\ub77c\uc640 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc694\uad6c \uc0ac\ud56d \ubaa8\ub450\uc5d0 \ubd80\ud569\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5cfe178379be40ecada90346e1f4bd89.jpg\" alt=\"How to Know What SFP Module to Use\" class=\"wp-image-2872\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5cfe178379be40ecada90346e1f4bd89.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5cfe178379be40ecada90346e1f4bd89-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5cfe178379be40ecada90346e1f4bd89-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5cfe178379be40ecada90346e1f4bd89-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5cfe178379be40ecada90346e1f4bd89-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u2605 \ub124\ud2b8\uc6cc\ud06c \uc18d\ub3c4(1G \/ 10G \/ 25G)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uace0\ub824\ud574\uc57c \ud560 \uccab \ubc88\uc9f8 \uc694\uc18c\ub294 \uc2a4\uc704\uce58 \ub610\ub294 \ub77c\uc6b0\ud130 \ud3ec\ud2b8\uac00 \uc9c0\uc6d0\ud558\ub294 \ub370\uc774\ud130 \uc804\uc1a1 \uc18d\ub3c4\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 SFP \uc18d\ub3c4 \ubc94\uc8fc\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\uc18d\ub3c4<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\ubaa8\ub4c8 \uc720\ud615<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc77c\ubc18\uc801\uc778 \ud45c\uc900<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>1Gbps<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SFP<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1000BASE-SX \/ LX<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>10 Gbps<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SFP+<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10GBASE-SR \/ LR<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>25 Gbps<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26225-25g-sfp28.htm\">SFP28<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476088.htm\">25GBASE-SR<\/a> \/ LR<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc798\ubabb\ub41c \uc18d\ub3c4 \ub4f1\uae09\uc744 \uc0ac\uc6a9\ud558\uba74 \ubaa8\ub4c8\uc774 \uc791\ub3d9\ud558\uc9c0 \uc54a\uac70\ub098 \ud3ec\ud2b8\uac00 \ub2e4\uc6b4\ub418\uac70\ub098 \uc9c0\uc6d0\ub418\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2605 \uad11\uc12c\uc720 \uc720\ud615(MMF \ub300 SMF)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub610 \ub2e4\ub978 \uc911\uc694\ud55c \uc694\uc18c\ub294 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \uc0ac\uc6a9\ud558\ub294 \uad11\uc12c\uc720 \uc720\ud615\uc785\ub2c8\ub2e4. <strong>\uba40\ud2f0\ubaa8\ub4dc \uad11\uc12c\uc720(MMF)<\/strong> \ub610\ub294 <strong>\ub2e8\uc77c\ubaa8\ub4dc \uad11\uc12c\uc720(SMF)<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\uad11\uc12c\uc720 \uc720\ud615<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc77c\ubc18\uc801\uc778 \ubaa8\ub4c8<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc0ac\uc6a9 \uc0ac\ub840<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\ub2e4\uc911\ubaa8\ub4dc \uad11\uc12c\uc720(MMF)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SX, SR<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc9e7\uc740 \uac70\ub9ac\uc758 \ub370\uc774\ud130 \uc13c\ud130 \ub9c1\ud06c<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\ucd5c\ub300 40km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>LX, LR, ER<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc7a5\uac70\ub9ac \uc5f0\uacb0<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>10GBASE-SR SFP+<\/strong> \u2192 \uba40\ud2f0\ubaa8\ub4dc \uad11\uc12c\uc720(MMF)\uc6a9\uc73c\ub85c \uc124\uacc4\ub428<\/p><\/li>\n\n\n\n<li><p><strong>10GBASE-LR SFP+<\/strong> \u2192 \uc2f1\uae00\ubaa8\ub4dc \uad11\uc12c\uc720(SMF)\uc6a9\uc73c\ub85c \uc124\uacc4\ub428<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc798\ubabb\ub41c \uad11\uc12c\uc720 \uc720\ud615\uc744 \uc0ac\uc6a9\ud558\uba74 \uad11 \ub9c1\ud06c\uac00 \uc124\uc815\ub418\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2605 \uc804\uc1a1 \uac70\ub9ac<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud544\uc694\ud55c <strong>\ub9c1\ud06c \uac70\ub9ac<\/strong> \ub294 SFP \ubaa8\ub4c8\uc744 \uc120\ud0dd\ud560 \ub54c \ub610 \ub2e4\ub978 \uc911\uc694\ud55c \uace0\ub824 \uc0ac\ud56d\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc11c\ub85c \ub2e4\ub978 \uad11\ud559 \ud45c\uc900\uc740 \uc11c\ub85c \ub2e4\ub978 \ucd5c\ub300 \uc804\uc1a1 \uac70\ub9ac\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\ubaa8\ub4c8 \uc720\ud615<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc77c\ubc18\uc801\uc778 \uac70\ub9ac<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>SR(\ub2e8\uac70\ub9ac)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>300\u2013400m<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>LR(\uc7a5\uac70\ub9ac)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10 km<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>ER(\ud655\uc7a5 \uac70\ub9ac)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>40km<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uad11\uc12c\uc720 \ub9c1\ud06c \uae38\uc774\uac00 \uc9c0\uc6d0\ub418\ub294 \uac70\ub9ac\ub97c \ucd08\uacfc\ud558\uba74 \uad11 \uc2e0\ud638\uac00 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ud1b5\uc2e0\uc744 \uc704\ud574 \ub108\ubb34 \uc57d\ud574\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2605 \ud30c\uc7a5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uac01 \uad11\ud559 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub294 \ud2b9\uc815 \ub808\uc774\uc800 \ud30c\uc7a5\uc5d0\uc11c \uc791\ub3d9\ud558\uba70, \uc774\ub294 \uad11 \uc2e0\ud638\uac00 \uad11\uc12c\uc720\ub97c \ud1b5\ud574 \uc5b4\ub5bb\uac8c \uc804\ub2ec\ub418\ub294\uc9c0\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \ud30c\uc7a5\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>850 nm<\/strong> \u2014 \uc77c\ubc18\uc801\uc73c\ub85c \uba40\ud2f0\ubaa8\ub4dc \uad11\ud559 \uc7a5\uce58(SR)\uc5d0 \uc0ac\uc6a9\ub428<\/p><\/li>\n\n\n\n<li><p><strong>1310 nm<\/strong> \u2014 \uc77c\ubc18\uc801\uc73c\ub85c \uc911\uac70\ub9ac \uc2f1\uae00\ubaa8\ub4dc \uad11\ud559 \uc7a5\uce58(LR)\uc5d0 \uc0ac\uc6a9\ub428<\/p><\/li>\n\n\n\n<li><p><strong>1550 nm<\/strong> \u2014 \uc7a5\uac70\ub9ac \uad11\ud559 \uc7a5\uce58(ER \/ ZR)\uc5d0 \uc0ac\uc6a9\ub428<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9c1\ud06c \uc591 \ub05d\ub2e8 \uac04 \ud30c\uc7a5\uc744 \uc77c\uce58\uc2dc\ud0a4\ub294 \uac83\uc774 \uc815\uc0c1\uc801\uc778 \ud1b5\uc2e0\uc744 \uc704\ud574 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2605 \ucee4\ub125\ud130 \uc720\ud615<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub300\ubd80\ubd84\uc758 SFP \ubaa8\ub4c8\uc740 \uc774\uc911 LC \ucee4\ub125\ud130\ub97c \uc0ac\uc6a9\ud558\uc9c0\ub9cc, \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ub530\ub77c \ub2e4\ub978 \uc778\ud130\ud398\uc774\uc2a4 \uc720\ud615\uc774 \uc874\uc7ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \ucee4\ub125\ud130 \uc720\ud615\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\ucee4\ub125\ud130<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc124\uba85<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>LC \ub4c0\ud50c\ub809\uc2a4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SFP \ubc0f SFP+ \ubaa8\ub4c8\uc5d0\uc11c \uac00\uc7a5 \uc77c\ubc18\uc801\uc784<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>SC<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uad6c\uc2dd \uad11\uc12c\uc720 \uc778\ud504\ub77c<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>RJ45<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uad6c\ub9ac \uc774\ub354\ub137 SFP \ubaa8\ub4c8<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc62c\ubc14\ub978 \ucee4\ub125\ud130 \uc720\ud615\uc744 \uc120\ud0dd\ud558\uba74 \uad11\uc12c\uc720 \ud328\uce58 \ucf00\uc774\ube14\uacfc\uc758 \ubb3c\ub9ac\uc801 \ud638\ud658\uc131 \ubb38\uc81c\ub97c \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2605 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uad8c\uc7a5\ub418\ub294 SFP \ubaa8\ub4c8<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\uc801\uc6a9 \ubd84\uc57c<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uad8c\uc7a5 SFP<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\ub370\uc774\ud130\uc13c\ud130 \ub2e8\uac70\ub9ac \ub9c1\ud06c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10GBASE-SR SFP+<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uac74\ubb3c \uac04 \uad11\uc12c\uc720 \ub9c1\ud06c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10GBASE-LR SFP+<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uc7a5\uac70\ub9ac \uba54\ud2b8\ub85c \ub124\ud2b8\uc6cc\ud06c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10GBASE-ER SFP+<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uae30\uc874 \uae30\uac00\ube44\ud2b8 \uc774\ub354\ub137 \ub124\ud2b8\uc6cc\ud06c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1000BASE-SX \/ LX SFP<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uace0\uc18d \uc11c\ubc84 \uc5f0\uacb0<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/473141.htm\">25G SFP28 SR<\/a><\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \uc694\uc18c\u2014\uc18d\ub3c4, \uad11\uc12c\uc720 \uc720\ud615, \uac70\ub9ac, \ud30c\uc7a5, \ucee4\ub125\ud130 \uc720\ud615\u2014\ub97c \ud3c9\uac00\ud568\uc73c\ub85c\uc368 \ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \ud2b9\uc815 \ub124\ud2b8\uc6cc\ud06c \ubc30\ud3ec\uc5d0 \uac00\uc7a5 \uc801\ud569\ud55c SFP \ubaa8\ub4c8\uc744 \uc815\ud655\ud788 \uacb0\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc62c\ubc14\ub978 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub97c \uc120\ud0dd\ud558\ub294 \uac83\uc740 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uad11 \ud1b5\uc2e0\uc744 \ubcf4\uc7a5\ud560 \ubfd0\ub9cc \uc544\ub2c8\ub77c, \ub124\ud2b8\uc6cc\ud06c \uc6b4\uc601 \uc911 SFP \ubb38\uc81c \ud574\uacb0 \ubc0f \ud638\ud658\uc131 \uac80\uc99d\uc744 \uac04\uc18c\ud654\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f SFP \ubaa8\ub4c8 \uc810\uac80 \uc2dc \ud754\ud788 \ubc1c\uc0dd\ud558\ub294 \ubb38\uc81c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub124\ud2b8\uc6cc\ud06c \ubb38\uc81c \ud574\uacb0 \uc911 \uc5d4\uc9c0\ub2c8\uc5b4\uac00 SFP \ubaa8\ub4c8\uc744 \uc810\uac80\ud560 \ub54c \uc5ec\ub7ec \uac00\uc9c0 \ud754\ud55c \ubb38\uc81c\uac00 \uc790\uc8fc \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubb38\uc81c\ub4e4 \uc911 \uc0c1\ub2f9\uc218\ub294 \ub9c1\ud06c \uc2e4\ud328, \ubd88\uc548\uc815\ud55c \uc5f0\uacb0 \ub610\ub294 \ubd80\uc815\ud655\ud55c \uc9c4\ub2e8 \uacb0\uacfc\ub97c \ucd08\ub798\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 \ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ucee4\ubba4\ub2c8\ud2f0 \ubc0f \ud3ec\ub7fc\uc5d0\uc11c \ub110\ub9ac \ub17c\uc758\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \uc77c\ubc18\uc801\uc778 \ubb38\uc81c\ub4e4\uc744 \uc774\ud574\ud558\uba74 \uad00\ub9ac\uc790\uac00 SFP \uad00\ub828 \ubb38\uc81c\ub97c \ub354 \ube60\ub974\uac8c \uc2dd\ubcc4\ud558\uace0 \uad11\uc12c\uc720 \uc5f0\uacb0 \ubb38\uc81c\ub97c \ubcf4\ub2e4 \ud6a8\uc728\uc801\uc73c\ub85c \ud574\uacb0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/71927a1a05ff4ca49928b99736a1214b.jpg\" alt=\"Common Problems When Checking SFP Modules\" class=\"wp-image-2873\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/71927a1a05ff4ca49928b99736a1214b.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/71927a1a05ff4ca49928b99736a1214b-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/71927a1a05ff4ca49928b99736a1214b-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/71927a1a05ff4ca49928b99736a1214b-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/71927a1a05ff4ca49928b99736a1214b-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\ubca4\ub354 \uc7a0\uae08(\uc11c\ub4dc\ud30c\ud2f0 \uad11\ud559 \ubaa8\ub4c8 \uc81c\ud55c)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubd80 \ub124\ud2b8\uc6cc\ud06c \uc7a5\ube44 \ubca4\ub354\ub294 \uc11c\ub4dc\ud30c\ud2f0 \uad11\ud559 \ubaa8\ub4c8 \uc0ac\uc6a9\uc744 \uc81c\ud55c\ud558\ub294 \ubca4\ub354 \uc7a0\uae08 \uba54\ucee4\ub2c8\uc998\uc744 \uc801\uc6a9\ud569\ub2c8\ub2e4. \uc2a4\uc704\uce58\uac00 \uc9c0\uc6d0\ub418\uc9c0 \uc54a\ub294 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub97c \uac10\uc9c0\ud558\uba74 \uacbd\uace0 \uba54\uc2dc\uc9c0\ub97c \ud45c\uc2dc\ud558\uac70\ub098 \ud3ec\ud2b8\ub97c \uc644\uc804\ud788 \ube44\ud65c\uc131\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \uc99d\uc0c1\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc2a4\uc704\uce58 \ubcf4\uace0 <strong>\u201c\uc9c0\uc6d0\ub418\uc9c0 \uc54a\ub294 \ud2b8\ub79c\uc2dc\ubc84\u201d<\/strong><\/p><\/li>\n\n\n\n<li><p>\uc778\ud130\ud398\uc774\uc2a4\ub294 \uc720\uc9c0\ub428 <strong>\uc62c\ubc14\ub978 \uad11\uc12c\uc720 \uc5f0\uacb0\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0 \ub2e4\uc6b4 \uc0c1\ud0dc \uc720\uc9c0<\/strong><\/p><\/li>\n\n\n\n<li><p>\uacbd\uace0 \ub85c\uadf8\uc5d0 \ub098\ud0c0\ub0a8 <strong>\uc2b9\uc778\ub418\uc9c0 \uc54a\uc740 \uad11\ud559 \ubaa8\ub4c8<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9ce\uc740 \uacbd\uc6b0 \uad00\ub9ac\uc790\ub294 \ubca4\ub354\uac00 \uc2b9\uc778\ud55c SFP \ubaa8\ub4c8\uc744 \uc0ac\uc6a9\ud558\uac70\ub098, \uc7a5\uce58\uc5d0\uc11c \uc9c0\uc6d0\ub418\ub294 \uacbd\uc6b0 \ud638\ud658\uc131 \uc124\uc815\uc744 \ud65c\uc131\ud654\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc9c0\uc6d0\ub418\uc9c0 \uc54a\ub294 SFP \ubaa8\ub4c8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub610 \ub2e4\ub978 \uc77c\ubc18\uc801\uc778 \ubb38\uc81c\ub294 \uc2a4\uc704\uce58\uac00 \uc778\uc2dd\ud558\uac70\ub098 \uc9c0\uc6d0\ud558\uc9c0 \uc54a\ub294 SFP \ubaa8\ub4c8\uc744 \uc124\uce58\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00\ub2a5\ud55c \uc6d0\uc778\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ud38c\uc6e8\uc5b4 \uc81c\ud55c<\/p><\/li>\n\n\n\n<li><p>\uc798\ubabb\ub41c \ubaa8\ub4c8 \uc720\ud615(SFP \ub300 SFP+)<\/p><\/li>\n\n\n\n<li><p>\ud638\ud658\ub418\uc9c0 \uc54a\ub294 \uc18d\ub3c4 \uad6c\uc131<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4, 1G \uc804\uc6a9 SFP \ud3ec\ud2b8\uc5d0 10G SFP+ \ubaa8\ub4c8\uc744 \uc124\uce58\ud558\uba74 \ubaa8\ub4c8\uc774 \uac10\uc9c0\ub418\uc9c0 \uc54a\uac70\ub098 \uc778\ud130\ud398\uc774\uc2a4\uac00 \ube44\ud65c\uc131 \uc0c1\ud0dc\ub85c \ub0a8\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc624\uc5fc\ub41c \uad11\uc12c\uc720 \ucee4\ub125\ud130<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uad11\uc12c\uc720 \ucee4\ub125\ud130\uc758 \uba3c\uc9c0 \ubc0f \uc624\uc5fc\uc740 \uad11 \ub9c1\ud06c \uc7a5\uc560\uc758 \uac00\uc7a5 \ud754\ud55c \uc6d0\uc778 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucee4\ub125\ud130 \ud45c\uba74\uc5d0 \ubbf8\uc138\ud55c \uc785\uc790 \ud558\ub098\ub77c\ub3c4 \uc2e0\ud638 \uac15\ub3c4\ub97c \ud06c\uac8c \uc800\ud558\uc2dc\ud0a4\uace0 \ub2e4\uc74c\uc744 \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\ub0ae\uc740 RX \uad11\ud559 \uc804\ub825<\/strong><\/p><\/li>\n\n\n\n<li><p>\ub192\uc740 \ud328\ud0b7 \uc190\uc2e4<\/p><\/li>\n\n\n\n<li><p>\uac04\ud5d0\uc801\uc778 \ub9c1\ud06c \ub04a\uae40<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc801\uc808\ud55c \uad11\uc12c\uc720 \uccad\uc18c \ub3c4\uad6c\ub97c \uc0ac\uc6a9\ud558\uc5ec \uad11\uc12c\uc720 \ucee4\ub125\ud130\ub97c \uccad\uc18c\ud558\ub294 \uac83\uc774 \uc608\uae30\uce58 \uc54a\uc740 SFP \ub9c1\ud06c \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \uac00\uc7a5 \ube60\ub978 \ubc29\ubc95\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uad11\uc12c\uc720 \uc720\ud615 \ubd88\uc77c\uce58<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud2b9\uc815 SFP \ubaa8\ub4c8\uacfc \ubd80\uc801\ud569\ud55c \uad11\uc12c\uc720 \uc720\ud615\uc744 \uc0ac\uc6a9\ud558\uba74 \uad11 \ub9c1\ud06c\uac00 \uc81c\ub300\ub85c \uc791\ub3d9\ud558\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \ubd88\uc77c\uce58 \uc0ac\ub840\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>SFP \uc720\ud615<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\ud544\uc694\ud55c \uad11\uc12c\uc720<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476076.htm\">SR \uad11\ud559 \uc7a5\uce58<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uba40\ud2f0\ubaa8\ub4dc \uc12c\uc720 (MMF)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/491587.htm\">LR \uad11\ud559 \ubd80\ud488<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc2f1\uae00\ubaa8\ub4dc \uc12c\uc720 (SMF)<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4, LR \ub2e8\uc77c\ubaa8\ub4dc SFP\uc5d0 \ub2e4\uc911\ubaa8\ub4dc \uad11\uc12c\uc720\ub97c \uc5f0\uacb0\ud558\uba74 \uc2e0\ud638 \uc138\uae30\uac00 \uc57d\ud574\uc9c0\uac70\ub098 \ub9c1\ud06c\uac00 \uac10\uc9c0\ub418\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SR \ub300 LR \ud63c\ub3d9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub610 \ub2e4\ub978 \ud754\ud55c \ubb38\uc81c\ub294 \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \uad11\uc12c\uc720 \ub9c1\ud06c \uc591\ub2e8\uc5d0 \uc11c\ub85c \ub2e4\ub978 \uad11\ud559 \ud45c\uc900\uc744 \uc798\ubabb \uc124\uce58\ud560 \ub54c \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ud55c\ucabd\uc5d0\uc11c\ub294 <strong>10GBASE-SR<\/strong><\/p><\/li>\n\n\n\n<li><p>\ub2e4\ub978 \ucabd\uc5d0\uc11c\ub294 <strong>10GBASE-LR<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \ubaa8\ub4c8\uc740 \uc11c\ub85c \ub2e4\ub978 \ud30c\uc7a5(850nm \ub300 1310nm)\uc5d0\uc11c \uc791\ub3d9\ud558\ubbc0\ub85c \uad11 \uc2e0\ud638\uac00 \uc62c\ubc14\ub974\uac8c \ud1b5\uc2e0\ud558\uc9c0 \ubabb\ud569\ub2c8\ub2e4. \ub9c1\ud06c \uc591\ub2e8 \ubaa8\ub450 \ub3d9\uc77c\ud55c \uad11\ud559 \ud45c\uc900\uc744 \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DOM \/ DDM \uc9c4\ub2e8 \ubbf8\uc9c0\uc6d0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubd80 SFP \ubaa8\ub4c8\uc740 <strong>\ub514\uc9c0\ud138 \uad11\ud559 \ubaa8\ub2c8\ud130\ub9c1(DOM \ub610\ub294 DDM)\uc744 \uc9c0\uc6d0\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/strong>, \uc774\ub294 \uc2a4\uc704\uce58\uac00 \uc628\ub3c4, TX \ucd9c\ub825 \uc804\ub825, RX \uc785\ub825 \uc804\ub825 \ub4f1\uc758 \uc9c4\ub2e8 \uac12\uc744 \uc77d\uc744 \uc218 \uc5c6\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uacbd\uc6b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uad11\ud559 \uc9c4\ub2e8 \uba85\ub839\uc5b4\uac00 <strong>\ub370\uc774\ud130 \uc5c6\uc74c<\/strong><\/p><\/li>\n\n\n\n<li><p>\ubaa8\ub2c8\ud130\ub9c1 \ub3c4\uad6c\uac00 \ub9c1\ud06c \uac74\uac15 \uc0c1\ud0dc\ub97c \ubd84\uc11d\ud560 \uc218 \uc5c6\uc74c<\/p><\/li>\n\n\n\n<li><p>\ubb38\uc81c \ud574\uacb0\uc774 \ub354 \uc5b4\ub824\uc6cc\uc9d0<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0c1\uc138\ud55c \ubaa8\ub2c8\ud130\ub9c1\uc774 \uc694\uad6c\ub418\ub294 \ud658\uacbd\uc5d0\uc11c\ub294 \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \uc77c\ubc18\uc801\uc73c\ub85c \uc804\uccb4 \uc9c4\ub2e8 \uac00\uc2dc\uc131\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 DOM \uae30\ub2a5\uc744 \uac16\ucd98 SFP \ubaa8\ub4c8\uc744 \ubc30\ud3ec\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \uc77c\ubc18\uc801\uc778 \ubb38\uc81c\ub97c \uc778\uc2dd\ud558\uba74 SFP \ubaa8\ub4c8\uc744 \uc810\uac80\ud558\uace0 \ud6a8\uacfc\uc801\uc778 SFP \ubb38\uc81c \ud574\uacb0\uc744 \uc218\ud589\ud558\uae30\uac00 \ud6e8\uc52c \uc26c\uc6cc\uc9d1\ub2c8\ub2e4. \ub9ce\uc740 \uacbd\uc6b0, \ucee4\ub125\ud130\ub97c \uccad\uc18c\ud558\uac70\ub098, \uad11\uc12c\uc720 \uc885\ub958\ub97c \ud655\uc778\ud558\uac70\ub098, \ubaa8\ub4c8 \ud638\ud658\uc131\uc744 \ud655\uc778\ud558\uac70\ub098, \uacb0\ud568 \uc788\ub294 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub97c \uad50\uccb4\ud568\uc73c\ub85c\uc368 \ubb38\uc81c\ub97c \uc2e0\uc18d\ud558\uac8c \ud574\uacb0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f \ube60\ub978 SFP \ubaa8\ub4c8 \uc810\uac80 \uccb4\ud06c\ub9ac\uc2a4\ud2b8<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uad11\uc12c\uc720 \ub9c1\ud06c \ubb38\uc81c \ud574\uacb0 \uc2dc \ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \uc885\uc885 \uc2ec\uce35 \uc9c4\ub2e8\uc744 \uc218\ud589\ud558\uae30 \uc804\uc5d0 \uc7a0\uc7ac\uc801 \ubb38\uc81c\ub97c \uc2dd\ubcc4\ud558\uae30 \uc704\ud574 \ube60\ub978 SFP \ubaa8\ub4c8 \uc810\uac80 \uc808\ucc28\ub97c \ub530\ub985\ub2c8\ub2e4. \uad6c\uc870\ud654\ub41c \uccb4\ud06c\ub9ac\uc2a4\ud2b8\ub97c \uc0ac\uc6a9\ud558\uba74 \ubb38\uc81c\uac00 SFP \ud2b8\ub79c\uc2a4\uc2dc\ubc84, \uad11\ucf00\uc774\ube14 \ub610\ub294 \uc2a4\uc704\uce58 \uad6c\uc131\uacfc \uad00\ub828\uc774 \uc788\ub294\uc9c0 \uc2e0\uc18d\ud788 \ud310\ub2e8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uac04\ub2e8\ud55c SFP \ubb38\uc81c \ud574\uacb0 \uccb4\ud06c\ub9ac\uc2a4\ud2b8\ub294 \ub124\ud2b8\uc6cc\ud06c \uc124\uce58, \uc815\uae30 \uc810\uac80 \ub610\ub294 \ub9c1\ud06c\uac00 \uc608\uae30\uce58 \uc54a\uac8c \ub2e4\uc6b4\ub420 \ub54c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/aad6654bf6384c9189b01b6f4919eaa7.jpg\" alt=\"Quick SFP Module Check Checklist\" class=\"wp-image-2874\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/aad6654bf6384c9189b01b6f4919eaa7.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/aad6654bf6384c9189b01b6f4919eaa7-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/aad6654bf6384c9189b01b6f4919eaa7-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/aad6654bf6384c9189b01b6f4919eaa7-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/aad6654bf6384c9189b01b6f4919eaa7-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\ub2e8\uacc4\ubcc4 SFP \ubaa8\ub4c8 \uc810\uac80<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u2714 <strong>SFP \ubaa8\ub4c8 \uc720\ud615 \ud655\uc778<\/strong><br>\uc124\uce58\ub41c \ubaa8\ub4c8\uc758 \uc720\ud615 \ubc0f \uc0ac\uc591(\uc18d\ub3c4: 1G \/ 10G \/ 25G, \uad11\ud559 \ud45c\uc900: SR \/ LR \/ ER, \ud30c\uc7a5 \ub4f1)\uc744 \ud655\uc778\ud569\ub2c8\ub2e4. \uc798\ubabb\ub41c \ubaa8\ub4c8 \uc720\ud615\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc740 \ub9c1\ud06c \uc7a5\uc560\uc758 \ud754\ud55c \uc6d0\uc778\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2714 <strong>\uc2a4\uc704\uce58 \ud638\ud658\uc131 \ud655\uc778<\/strong><br>SFP \ubaa8\ub4c8\uc774 \uc2a4\uc704\uce58 \ub610\ub294 \ub77c\uc6b0\ud130\uc5d0\uc11c \uc9c0\uc6d0\ub418\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. \uc77c\ubd80 \uc7a5\uce58\ub294 \uc9c0\uc6d0\ub418\uc9c0 \uc54a\ub294 \uad11\ud559 \ubaa8\ub4c8 \ub610\ub294 \ud0c0\uc0ac \ubaa8\ub4c8\uc744 \uc81c\ud55c\ud558\uc5ec \ud3ec\ud2b8 \ud65c\uc131\ud654\ub97c \ucc28\ub2e8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2714 <strong>\uad11\uc12c\uc720 \uc885\ub958 \ud655\uc778<\/strong><br>\uad11\uc12c\uc720 \ucf00\uc774\ube14\uc774 SFP \uc0ac\uc591\uacfc \uc77c\uce58\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>SR \ubaa8\ub4c8 \u2192 \ub2e4\uc911\ubaa8\ub4dc \uad11\uc12c\uc720(OM3 \/ OM4)<\/strong><\/p><\/li>\n\n\n\n<li><p><strong>LR \ubaa8\ub4c8 \u2192 \ub2e8\uc77c\ubaa8\ub4dc \uad11\uc12c\uc720<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uad11\uc12c\uc720 \uc885\ub958\uc640 SFP \ubaa8\ub4c8 \uac04\uc758 \ubd88\uc77c\uce58 <strong>\uad11\uc12c\uc720 \uc885\ub958\uc640 SFP \ubaa8\ub4c8 \uac04\uc758 \ubd88\uc77c\uce58 <\/strong>\uc57d\ud55c \uad11\uc2e0\ud638 \ub610\ub294 \ub9c1\ud06c \uc5c6\uc74c\uc73c\ub85c \uc774\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2714 <strong>\uad11\ud559 \uc9c4\ub2e8 \uc815\ubcf4(DOM\/DDM) \uc77d\uae30<\/strong><br>\uc2a4\uc704\uce58 CLI \uba85\ub839\uc744 \uc0ac\uc6a9\ud558\uc5ec SFP \uc9c4\ub2e8 \uac12\uc744 \uc77d\uc2b5\ub2c8\ub2e4. \ud3ec\ud568 \ud56d\ubaa9:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc628\ub3c4<\/p><\/li>\n\n\n\n<li><p>\uc804\uc555<\/p><\/li>\n\n\n\n<li><p>TX \uad11 \ucd9c\ub825<\/p><\/li>\n\n\n\n<li><p>RX \uad11 \ucd9c\ub825<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ube44\uc815\uc0c1 \uac12\uc740 \uc885\uc885 \uc2e0\ud638 \uc190\uc2e4, \uad11\uc12c\uc720 \uac10\uc1e0 \ub610\ub294 \ud558\ub4dc\uc6e8\uc5b4 \ubb38\uc81c\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2714 <strong>\uad11\uc12c\uc720 \ucee4\ub125\ud130 \uc810\uac80 \ubc0f \uccad\uc18c<\/strong><br>LC \ucee4\ub125\ud130 \ubc0f \uad11\uc12c\uc720 \ud328\uce58 \ucf00\uc774\ube14\uc5d0 \uba3c\uc9c0, \ud760\uc9d1 \ub610\ub294 \uc624\uc5fc\ubb3c\uc774 \uc788\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. \ub354\ub7ec\uc6b4 \ucee4\ub125\ud130\ub294 \uc218\uc2e0(RX) \uad11 \ucd9c\ub825 \uc800\ud558 \ubc0f \ubd88\uc548\uc815\ud55c \uad11\uc12c\uc720 \ub9c1\ud06c\uc758 \uac00\uc7a5 \ud754\ud55c \uc6d0\uc778 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2714 <strong>\ud544\uc694 \uc2dc SFP \ubaa8\ub4c8 \uad50\uccb4<\/strong><br>\uc774\ub7ec\ud55c \uc810\uac80 \ud6c4\uc5d0\ub3c4 \ub9c1\ud06c\uac00 \uc5ec\uc804\ud788 \uc2e4\ud328\ud558\ub294 \uacbd\uc6b0, \uc54c\ub824\uc9c4 \uc815\uc0c1 \uc791\ub3d9 \uc911\uc778 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub85c SFP \ubaa8\ub4c8\uc744 \uad50\uccb4\ud558\uc138\uc694. \uc774\ub97c \ud1b5\ud574 \ubb38\uc81c\uc758 \uc6d0\uc778\uc774 \ubaa8\ub4c8\uc5d0\uc11c \ube44\ub86f\ub41c \uac83\uc778\uc9c0, \uc544\ub2c8\uba74 \ub2e4\ub978 \ub124\ud2b8\uc6cc\ud06c \uad6c\uc131 \uc694\uc18c\uc5d0\uc11c \ube44\ub86f\ub41c \uac83\uc778\uc9c0 \ud310\ub2e8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c\uc73c\ub85c <strong>\ube60\ub978 SFP \ubaa8\ub4c8 \uc810\uac80 \ubaa9\ub85d<\/strong> \uc740 \ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \uba87 \ubd84 \uc548\uc5d0 \ub300\ubd80\ubd84\uc758 \uad11\uc12c\uc720 \uc5f0\uacb0 \ubb38\uc81c\ub97c \uc9c4\ub2e8\ud560 \uc218 \uc788\ub3c4\ub85d \ud574\uc90d\ub2c8\ub2e4. \ub9ce\uc740 \uacbd\uc6b0, \ud638\ud658\uc131 \ud655\uc778, \ucee4\ub125\ud130 \uccad\uc18c \ub610\ub294 \uacb0\ud568 \uc788\ub294 SFP \uad50\uccb4\uc640 \uac19\uc740 \uac04\ub2e8\ud55c \uc870\uce58\ub9cc\uc73c\ub85c\ub3c4 \ubcf5\uc7a1\ud55c \ubb38\uc81c \ud574\uacb0 \uc5c6\uc774 \uc815\uc0c1\uc801\uc778 \ub124\ud2b8\uc6cc\ud06c \uc791\ub3d9\uc744 \ubcf5\uc6d0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f SFP \ubaa8\ub4c8 \uc810\uac80 \uad00\ub828 \uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38(FAQs)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc544\ub798\ub294 <strong>SFP \ubaa8\ub4c8 \uc810\uac80\uc5d0 \uad00\ud55c<\/strong>, \uad11\ud559 \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \ud14c\uc2a4\ud2b8 \ubc0f \ub124\ud2b8\uc6cc\ud06c \ubc30\ud3ec\uc5d0 \uc801\ud569\ud55c SFP \uc2dd\ubcc4\uc5d0 \ub300\ud55c \uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/51e55182b5ba4238b6cbad8645f3ae28.jpg\" alt=\"FAQs About Checking SFP Modules\" class=\"wp-image-2875\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/51e55182b5ba4238b6cbad8645f3ae28.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/51e55182b5ba4238b6cbad8645f3ae28-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/51e55182b5ba4238b6cbad8645f3ae28-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/51e55182b5ba4238b6cbad8645f3ae28-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/51e55182b5ba4238b6cbad8645f3ae28-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">SFP\ub97c \uc5b4\ub5bb\uac8c \uc810\uac80\ud558\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \ubaa8\ub4c8\uc744 \uc810\uac80\ud558\ub824\uba74 \ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \uc77c\ubc18\uc801\uc73c\ub85c \ubb3c\ub9ac\uc801 \uc124\uce58 \uc0c1\ud0dc\uc640 \ub124\ud2b8\uc6cc\ud06c \uc7a5\uce58\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \uc9c4\ub2e8 \uc815\ubcf4\ub97c \ubaa8\ub450 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uae30\ubcf8 \uc808\ucc28\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p>LC \ucee4\ub125\ud130\uac00 \uc62c\ubc14\ub974\uac8c \uc5f0\uacb0\ub418\uc5c8\ub294\uc9c0 \ud655\uc778\ud558\uc138\uc694. <strong>SFP \ubaa8\ub4c8\uc774 \uc62c\ubc14\ub974\uac8c \uc0bd\uc785\ub418\uc5c8\ub294\uc9c0<\/strong> \uc2a4\uc704\uce58 \ud3ec\ud2b8<\/p><\/li>\n\n\n\n<li><p>\ub2e4\uc74c\uc744 \ud655\uc778\ud569\ub2c8\ub2e4. <strong>\uc2a4\uc704\uce58 \uc778\ud130\ud398\uc774\uc2a4\uc758 \ub9c1\ud06c \uc0c1\ud0dc<\/strong> \ub97c \ud655\uc778\ud569\ub2c8\ub2e4.<\/p><\/li>\n\n\n\n<li><p>CLI \uba85\ub839\uc5b4\ub97c \uc0ac\uc6a9\ud558\uc5ec <strong>SFP \uc9c4\ub2e8 \uc815\ubcf4(DOM\/DDM)\ub97c \uc77d\uc2b5\ub2c8\ub2e4.<\/strong><\/p><\/li>\n\n\n\n<li><p>\ub2e4\uc74c \uc0ac\ud56d\uc744 \ud655\uc778\ud558\uc138\uc694. <strong>\uad11\uc12c\uc720 \uc885\ub958 \ubc0f \ucf00\uc774\ube14 \uc5f0\uacb0 \uc0c1\ud0dc<\/strong><\/p><\/li>\n\n\n\n<li><p>\ud544\uc694 \uc2dc \uad11\uc12c\uc720 \ucee4\ub125\ud130\ub97c \uc810\uac80\ud558\uace0 \uccad\uc18c\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \ub2e8\uacc4\ub4e4\uc740 \ubb38\uc81c\uac00 SFP \ubaa8\ub4c8, \uad11\uc12c\uc720 \ucf00\uc774\ube14 \ub610\ub294 \ub124\ud2b8\uc6cc\ud06c \uad6c\uc131\uacfc \uad00\ub828\uc774 \uc788\ub294\uc9c0 \ud310\ub2e8\ud558\ub294 \ub370 \ub3c4\uc6c0\uc744 \uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Cisco \uc2a4\uc704\uce58\uc5d0\uc11c SFP\ub97c \uc5b4\ub5bb\uac8c \uc810\uac80\ud558\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Cisco \uc2a4\uc704\uce58\uc5d0\uc11c\ub294 \uad00\ub9ac\uc790\uac00 \uc5ec\ub7ec <strong>CLI \uba85\ub839\uc5b4\ub97c \uc0ac\uc6a9\ud558\uc5ec SFP \uc0c1\ud0dc\ub97c \uc810\uac80\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \uba85\ub839\uc5b4\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>show interface status<br>show inventory<br>show interfaces transceiver<br>show interfaces transceiver detail<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \uba85\ub839\uc5b4\ub97c \ud1b5\ud574 \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \ub2e4\uc74c\uc744 \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>SFP \ubaa8\ub4c8\uc774 \uac10\uc9c0\ub418\ub294\uc9c0 \ud655\uc778<\/p><\/li>\n\n\n\n<li><p>\ud2b8\ub79c\uc2a4\uc2dc\ubc84 \ubaa8\ub378 \ubc0f \uacf5\uae09\uc5c5\uccb4 \uc2dd\ubcc4<\/p><\/li>\n\n\n\n<li><p>\uc628\ub3c4, \uc804\uc555, TX \ucd9c\ub825 \uc804\ub825, RX \uc785\ub825 \uc804\ub825 \ub4f1\uc758 \uad11\ud559 \uc9c4\ub2e8 \ub370\uc774\ud130 \uc77d\uae30<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uc815\ubcf4\ub294 SFP \uc9c4\ub2e8 \ubc0f \ubb38\uc81c \ud574\uacb0\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SFP \ubaa8\ub4c8\uc744 \uc5b4\ub5bb\uac8c \ud14c\uc2a4\ud2b8\ud558\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \ubaa8\ub4c8 \ud14c\uc2a4\ud2b8\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e8\uacc4\ubcc4 \uac80\uc99d \uc808\ucc28\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \ud14c\uc2a4\ud2b8 \ub2e8\uacc4\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p>\ub2e4\uc74c \uc791\uc5c5\uc744 \uc218\ud589\ud558\uc138\uc694: <strong>\ubaa8\ub4c8 \ubc0f \uad11\uc12c\uc720 \ucee4\ub125\ud130\uc758<\/strong> \ubb3c\ub9ac\uc801 \uc810\uac80<\/p><\/li>\n\n\n\n<li><p>\ub2e4\uc74c\uc744 \ud655\uc778\ud569\ub2c8\ub2e4. <strong>\uc2a4\uc704\uce58 \uc778\ud130\ud398\uc774\uc2a4\uc758 \ub9c1\ud06c \uc0c1\ud0dc \ud655\uc778<\/strong><\/p><\/li>\n\n\n\n<li><p>DOM\/DDM \uad11\ud559 \uc9c4\ub2e8 \uac12 <strong>\uc77d\uae30<\/strong><\/p><\/li>\n\n\n\n<li><p>\ud655\uc778\ud558\uc2ed\uc2dc\uc624 <strong>\uad11\uc12c\uc720 \uc885\ub958 \ubc0f \ud30c\uc7a5 \ud638\ud658\uc131 \ud655\uc778<\/strong><\/p><\/li>\n\n\n\n<li><p>\ubaa8\ub4c8\uc744 <br>\ub2e4\uc74c\uacfc \uac19\uc774 \uad50\uccb4\ud558\uc138\uc694: <strong>\uc815\uc0c1 \uc791\ub3d9\uc774 \ud655\uc778\ub41c SFP\ub85c<\/strong> \ubb38\uc81c\ub97c \uaca9\ub9ac\ud558\uae30 \uc704\ud574<\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uc811\uadfc \ubc29\uc2dd\uc740 SFP \ubaa8\ub4c8 \uc790\uccb4\uc5d0 \uacb0\ud568\uc774 \uc788\ub294\uc9c0, \uc544\ub2c8\uba74 <br>\uad11\uc12c\uc720 \uc778\ud504\ub77c \ub610\ub294 \uc2a4\uc704\uce58 \ud3ec\ud2b8\uc5d0 \ubb38\uc81c\uac00 \uc788\ub294\uc9c0\ub97c \ud310\ub2e8\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. <strong>\uad11\uc12c\uc720 \uc778\ud504\ub77c \ub610\ub294 \uc2a4\uc704\uce58 \ud3ec\ud2b8<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc5b4\ub5a4 SFP \ubaa8\ub4c8\uc744 \uc0ac\uc6a9\ud574\uc57c \ud558\ub294\uc9c0 \uc5b4\ub5bb\uac8c \uc54c \uc218 \uc788\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc62c\ubc14\ub978 SFP \ubaa8\ub4c8\uc744 \uc120\ud0dd\ud558\ub824\uba74 \uc5ec\ub7ec \ub124\ud2b8\uc6cc\ud06c \ub9e4\uac1c\ubcc0\uc218\uac00 \uace0\ub824\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\uc18d\ub3c4<\/strong> \u2014 1G, 10G \ub610\ub294 25G<\/p><\/li>\n\n\n\n<li><p><strong>\uad11\uc12c\uc720 \uc720\ud615<\/strong> \u2014 \ub2e4\uc911\ubaa8\ub4dc \uad11\uc12c\uc720(MMF) \ub610\ub294 \ub2e8\uc77c\ubaa8\ub4dc \uad11\uc12c\uc720(SMF)<\/p><\/li>\n\n\n\n<li><p><strong>\uc804\uc1a1 \uac70\ub9ac<\/strong> \u2014 \ub2e8\uac70\ub9ac, \uc911\uac70\ub9ac \ub610\ub294 \uc7a5\uac70\ub9ac<\/p><\/li>\n\n\n\n<li><p><strong>\ud30c\uc7a5<\/strong> \u2014 \uc77c\ubc18\uc801\uc73c\ub85c 850 nm, 1310 nm \ub610\ub294 1550 nm<\/p><\/li>\n\n\n\n<li><p><strong>\ucee4\ub125\ud130 \uc720\ud615<\/strong> \u2014 \ub300\ubd80\ubd84 LC \ub4c0\ud50c\ub809\uc2a4<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>10GBASE-SR SFP+<\/strong> \u2192 \ub2e4\uc911\ubaa8\ub4dc \uad11\uc12c\uc720, \ub2e8\uac70\ub9ac(\ub370\uc774\ud130\uc13c\ud130 \ub9c1\ud06c)<\/p><\/li>\n\n\n\n<li><p><strong>10GBASE-LR SFP+<\/strong> \u2192 \ub2e8\uc77c\ubaa8\ub4dc \uad11\uc12c\uc720, \ucd5c\ub300 10km \uc5f0\uacb0<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \ub9e4\uac1c\ubcc0\uc218\ub97c \uc77c\uce58\uc2dc\ud0a4\uba74 \uc548\uc815\uc801\uc778 \uad11\uc12c\uc720 \uc5f0\uacb0\uc131\uacfc \ub124\ud2b8\uc6cc\ud06c \uc7a5\ube44\uc640\uc758 \ud638\ud658\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f \uacb0\ub860: SFP \ubaa8\ub4c8\uc744 \ud6a8\uc728\uc801\uc73c\ub85c \uc810\uac80\ud558\uace0 \uac80\uc99d\ud558\ub294 \ubc29\ubc95<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \ubaa8\ub4c8 \uc810\uac80\uc740 <br>\uc548\uc815\uc801\uc778 \uad11\uc12c\uc720 \ub124\ud2b8\uc6cc\ud06c \uc5f0\uacb0 \uc720\uc9c0\ub97c \uc704\ud55c \ud544\uc218 \uc791\uc5c5\uc785\ub2c8\ub2e4. <strong>\uc548\uc815\uc801\uc778 \uad11\uc12c\uc720 \ub124\ud2b8\uc6cc\ud06c \uc5f0\uacb0 \uc720\uc9c0\ub97c \uc704\ud55c \ud544\uc218 \uc791\uc5c5\uc785\ub2c8\ub2e4.<\/strong>. SFP \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub294 \ub124\ud2b8\uc6cc\ud06c\uc758 \ubb3c\ub9ac \uacc4\uce35\uc5d0\uc11c \uc791\ub3d9\ud558\ubbc0\ub85c, \ubaa8\ub4c8\uc758 \uc124\uce58 \uc624\ub958, \uad11\uc2e0\ud638 \uc190\uc2e4 \ub610\ub294 \ud638\ud658\uc131 \ubb38\uc81c \ub4f1\uacfc \uac19\uc740 \uc5b4\ub5a0\ud55c \uacb0\ud568\ub3c4 \uc989\uc2dc \ub9c1\ud06c \uc131\ub2a5\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uccb4\uacc4\uc801\uc778 \uc808\ucc28\ub97c \ub530\ub974\uba74 \ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4\uac00 SFP \ubaa8\ub4c8\uc744 \uc2e0\uc18d\ud558\uac8c \uc9c4\ub2e8\ud558\uace0 \uac80\uc99d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc5d0\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc2a4\uc704\uce58\uc758 \uc778\ud130\ud398\uc774\uc2a4 \uc0c1\ud0dc \uc810\uac80, SFP \uc9c4\ub2e8 \uc815\ubcf4(DOM\/DDM \ub370\uc774\ud130) \u2014 \uc608: \uc628\ub3c4 \ubc0f \uad11 \ucd9c\ub825 \u2014 \ud655\uc778, \uadf8\ub9ac\uace0 \ubaa8\ub4c8\uc774 \uc801\uc808\ud55c \uad11\uc12c\uc720 \uc720\ud615, \uc804\uc1a1 \uac70\ub9ac, \ud30c\uc7a5 \uc694\uad6c \uc0ac\ud56d\uacfc \uc77c\uce58\ud558\ub294\uc9c0 \uc5ec\ubd80\ub97c \ud655\uc778\ud558\ub294 \uc791\uc5c5\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b1726197f5e64a7dae6a3c0970dbe174.jpg\" alt=\"How to Check and Verify SFP Modules Efficiently\" class=\"wp-image-2876\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b1726197f5e64a7dae6a3c0970dbe174.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b1726197f5e64a7dae6a3c0970dbe174-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b1726197f5e64a7dae6a3c0970dbe174-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b1726197f5e64a7dae6a3c0970dbe174-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b1726197f5e64a7dae6a3c0970dbe174-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ub3d9\ub4f1\ud558\uac8c \uc911\uc694\ud55c \uac83\uc740 SFP \ubaa8\ub4c8\uacfc \ub124\ud2b8\uc6cc\ud06c \uc7a5\ube44 \uac04\uc758 \ud638\ud658\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 \uac83\uc774\ub2e4. \uc62c\ubc14\ub978 \ubaa8\ub4c8 \uc720\ud615\u2014\uc608\ub97c \ub4e4\uc5b4 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26155-1g-sfp.htm\">1G SFP<\/a>, <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\">10G SFP+<\/a>, \ub610\ub294 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26225-25g-sfp28.htm\">25G SFP28<\/a>\u2014\uc744 \uc0ac\uc6a9\ud558\uace0 \uc801\uc808\ud55c \uad11\ud559 \ud45c\uc900(SR \ub610\ub294 LR \ub4f1)\uc5d0 \ubd80\ud569\uc2dc\ud0a4\uba74 \uc9c0\uc6d0\ub418\uc9c0 \uc54a\ub294 \ubaa8\ub4c8 \uc624\ub958 \ubc0f \ub9c1\ud06c \uc7a5\uc560\ub97c \ubc29\uc9c0\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubb38\uc81c\uac00 \ubc1c\uc0dd\ud560 \uacbd\uc6b0, \ud6a8\uacfc\uc801\uc778 SFP \ubb38\uc81c \ud574\uacb0\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uad11\uc12c\uc720 \uc5f0\uacb0 \uc0c1\ud0dc \ud655\uc778, \ucee4\ub125\ud130 \uccad\uc18c, \uadf8\ub9ac\uace0 \uc54c\ub824\uc9c4 \uc815\uc0c1 \uc791\ub3d9 \ubaa8\ub4c8\ub85c \uad50\uccb4\ud558\uc5ec \uadfc\ubcf8 \uc6d0\uc778\uc744 \uaca9\ub9ac\ud558\ub294 \uacfc\uc815\uc744 \ud3ec\ud568\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc9c4\ub2e8 \ubaa8\ub2c8\ud130\ub9c1, \ud638\ud658\uc131 \uc810\uac80, \uccb4\uacc4\uc801\uc778 \ubb38\uc81c \ud574\uacb0\uc744 \ubcd1\ud589\ud568\uc73c\ub85c\uc368 \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \ubb38\uc81c\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \uc2dd\ubcc4\ud558\uace0 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uad11\uc12c\uc720 \ub124\ud2b8\uc6cc\ud06c \uc131\ub2a5\uc744 \uc720\uc9c0\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e0\ub8b0\uc131 \uc788\uace0 \ube44\uc6a9 \ud6a8\uc728\uc801\uc778 \uad11\ud559 \uc5f0\uacb0\uc744 \uc704\ud574 <strong>\ud638\ud658 \uac00\ub2a5\ud55c SFP \ubc0f SFP+ \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub97c <\/strong><a target=\"_self\" href=\"https:\/\/www.l-p.com\/\"><strong>LINK-PP \uacf5\uc2dd \uc2a4\ud1a0\uc5b4<\/strong><\/a>, \uc5d0\uc11c \uc0b4\ud3b4\ubcfc \uc218 \uc788\uc73c\uba70, \uc774 \uc81c\ud488\uad70\uc740 \ub2e4\uc591\ud55c \uae30\uc5c5\uc6a9 \uc2a4\uc704\uce58, \ub77c\uc6b0\ud130 \ubc0f \ub370\uc774\ud130\uc13c\ud130 \ub124\ud2b8\uc6cc\ud0b9 \ud658\uacbd\uc744 \uc9c0\uc6d0\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>Cisco \uba85\ub839\uc5b4, \uc9c4\ub2e8 \ub3c4\uad6c, \ud638\ud658\uc131 \uac80\uc0ac\ub97c \uc0ac\uc6a9\ud558\uc5ec SFP \ubaa8\ub4c8\uc744 \uc810\uac80\ud558\ub294 \ubc29\ubc95\uc744 \ubc30\uc6b0\uc138\uc694. SFP \uad11\ud559 \uc7a5\uce58 \ud14c\uc2a4\ud2b8 \ubc0f \uc801\uc808\ud55c \ubaa8\ub4c8 \uc120\ud0dd\uc744 \uc704\ud55c \ub2e8\uacc4\ubcc4 \uac00\uc774\ub4dc.<\/p>","protected":false},"author":1,"featured_media":2877,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[26],"class_list":["post-2878","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/2878","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/comments?post=2878"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/2878\/revisions"}],"predecessor-version":[{"id":10753,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/2878\/revisions\/10753"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media\/2877"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media?parent=2878"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/categories?post=2878"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/tags?post=2878"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}