{"id":7302,"date":"2026-05-15T00:00:00","date_gmt":"2026-05-15T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/sfp-link-meaning-troubleshooting-compatibility-guide\/"},"modified":"2026-06-22T03:22:56","modified_gmt":"2026-06-22T03:22:56","slug":"sfp-link-meaning-troubleshooting-compatibility-guide","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/sfp-link-meaning-troubleshooting-compatibility-guide","title":{"rendered":"SFP \ub9c1\ud06c: \ubb38\uc81c \ud574\uacb0 \ubc0f \ud638\ud658\uc131 \uac00\uc774\ub4dc"},"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\/cfa74b9ce04d43f08638ed1e74730df1.jpg\" alt=\"SFP Link: Troubleshooting and Compatibility Guide\" class=\"wp-image-7293\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cfa74b9ce04d43f08638ed1e74730df1.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cfa74b9ce04d43f08638ed1e74730df1-300x157.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cfa74b9ce04d43f08638ed1e74730df1-1024x536.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cfa74b9ce04d43f08638ed1e74730df1-768x402.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cfa74b9ce04d43f08638ed1e74730df1-18x9.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \ub9c1\ud06c\ub294 \uc2a4\uc704\uce58, \ub77c\uc6b0\ud130, \uc11c\ubc84, \uad11\ub9dd\uc6d0 \uc7a5\ube44 \ub4f1 \uc7a5\uce58 \uac04\uc5d0 \uc788\ub294 \uc804\uc1a1\uae30\/\uc218\uc2e0\uae30\ub97c \ud1b5\ud574 \ud65c\uc131 \ub124\ud2b8\uc6cc\ud06c \uc5f0\uacb0\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \ub9c1\ud06c\uac00 \uc2dc\uc791\ub418\uc9c0 \uc54a\uc73c\uba74 \uc8fc\ub85c \ub9c1\ud06c \uc790\uccb4\uac00 \uc544\ub2cc, \uad11\ud559 \ud638\ud658\uc131, \uad11\uc120 \ubc29\ud5a5, \uc18d\ub3c4 \ud611\uc0c1, \ud30c\uc7a5 \ubd88\uc77c\uce58, \uc2e0\ud638 \uc2e0\ub8b0\ub3c4 \ubb38\uc81c \ub4f1 \ud558\uc704 \ub9c1\ud06c \ubb38\uc81c\ub85c \uc778\ud574 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uae30\uc5c5 \ubc0f \ub370\uc774\ud130 \uc13c\ud130 \ud658\uacbd\uc5d0\uc11c\ub294 \uc548\uc815\uc801\uc778 SFP \ub9c1\ud06c\uac00 \uc911\uc694\ud569\ub2c8\ub2e4. \uc791\uc740 \uad11\ud559 \ub9c1\ud06c \ubb38\uc81c\ub294 \ub9c1\ud06c \ub7ad\ud0b9, \ub9c1\ud06c \ub7ad\ud0b9, \ub610\ub294 \uc804\uccb4 \uc11c\ube44\uc2a4 \uc911\ub2e8\uc744 \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26155-1g-sfp.htm\">SFP<\/a> \ub610\ub294 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\">SFP+ <\/a>10G, 25G \ubc0f \ub192\uc740 \uc18d\ub3c4\uc758 Ethernet \ubc30\ud3ec\uac00 \ud074\ub77c\uc6b0\ub4dc \uae30\ubc18 \uae30\ubc18 \ub124\ud2b8\uc6cc\ud06c, SMB \ub124\ud2b8\uc6cc\ud06c, \uc0b0\uc5c5 Ethernet \ubc0f AI \ub370\uc774\ud130 \uc13c\ud130\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 SFP \uae30\ubc18 \uc5f0\uacb0 \uae30\uc220\uc785\ub2c8\ub2e4. \ub2e4\ubaa8\ub4dc \uad11\uc120, \ub2e8\ubaa8\ub4dc \uad11\uc120, DAC \ucf00\uc774\ube14, RJ45 \ucf54\uc5b4 \uc804\uc1a1\uae30 \ub4f1 \ub2e4\uc591\ud55c \uc5f0\uacb0 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc9c0\ub9cc, SFP \ub9c1\ud06c\uc758 \uc2e0\ub8b0\ub3c4\ub294 Bandwidth(stability), Latency(consistent), \uadf8\ub9ac\uace0 \uc804\uccb4 \ub124\ud2b8\uc6cc\ud06c uptime\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/tcp-ip-model-network-communication-layers-and-data-exchange\/\">TCP\/IP<\/a> SFP \ub9c1\ud06c\ub77c\ub294 \ud0a4\uc6cc\ub4dc\uac00 \uac15\ub825\ud55c \uac80\uc0c9\uc694\uccad\uc744 \ubc1b\ub294 \uc774\uc720\ub294 \uc0ac\uc6a9\uc790\uac00 \ub9e4\uc6b0 \uc2e4\uc6a9\uc801\uc778 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub824\ub294 \uc774\uc720 \ub54c\ubb38\uc785\ub2c8\ub2e4: \ub9c1\ud06c\uac00 \ube5b\uc774 \uc5c6\ub2e4\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc778\uac00? \ub9c1\ud06c\uac00 \uad11\uc120\uc774 \uc5f0\uacb0\ub41c \uc0c1\ud0dc\uc5d0\uc11c \"down\"\uc744 \ubcf4\uc5ec\uc8fc\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc778\uac00? \ub2e4\ub978 \ube0c\ub79c\ub4dc\uc758 SFP \ubaa8\ub4c8\uc774 \ud568\uaed8 \uc791\ub3d9\ud560 \uc218 \uc788\ub294\uac00? \ub9c1\ud06c\uac00 \uac11\uc790\uae30 \ub7ad\ud0b9\uc744 \ubc18\ubcf5\uc801\uc73c\ub85c \ud558\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc778\uac00? \uad11\uc120, DAC, RJ45 SFP \ubaa8\ub4c8\uc744 \uc0ac\uc6a9\ud560 \ub54c \uc5b4\ub5a4 \uac83\uc774 \ub354 \uc801\ud569\ud55c\uac00? \uc774\ub7ec\ud55c \uc9c8\ubb38\ub4e4\uc740 \ub2e8\uc21c\ud55c \ucd08\ubcf4 \uc9c8\ubb38\uc774 \uc544\ub2c8\uba70, \uacbd\ud5d8 \ub9ce\uc740 \ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4\ub3c4 \ube0c\ub79c\ub4dc \ucf54\ub4dc\ub41c \uad11\ud559, \ub514\uc9c0\ud138 \uad11\ud559 \ubaa8\ub2c8\ud130\ub9c1(DOM) \ubd88\uc77c\uce58, \ub610\ub294 \uc798\ubabb\ub41c \uad11\uc120 \uc804\ub825 \uacc4\ud68d \ubb38\uc81c\ub85c \uc778\ud55c \uc778\ud130operability \ubb38\uc81c\ub97c \uc790\uc8fc \ub9cc\ub0a0 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/what-does-packet-loss-mean-for-your-internet-connection\/\">\ud328\ud0b7 \uc190\uc2e4<\/a>, <strong><s>CRC \uc624\ub958<\/s><\/strong>, \uc774 \uac00\uc774\ub4dc\ub294 SFP \ub9c1\ud06c\uc758 \uc758\ubbf8, SFP \ub9c1\ud06c\uac00 \uc5b4\ub5bb\uac8c \uc124\uc815\ub418\ub294\uc9c0, \ub9c1\ud06c\uac00 \uc2e4\ud328\ud558\ub294 \uac00\uc7a5 \ud754\ud55c \uc774\uc720, \uadf8\ub9ac\uace0 \uc2e4\uc81c \uc0dd\uc0b0 \ud658\uacbd\uc5d0\uc11c \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4. \ub610\ud55c \uad11\uc120, DAC, \ucf54\uc5b4 \uc804\uc1a1\uae30 \uae30\ubc18 SFP \ubc30\ud3ec\ub97c \ube44\uad50\ud558\uc5ec \ub124\ud2b8\uc6cc\ud06c \uc124\uacc4\uc790\ub4e4\uc774 \ub2e4\uc591\ud55c \uc0ac\ub840\uc5d0 \uac00\uc7a5 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc194\ub8e8\uc158\uc744 \uc120\ud0dd\ud560 \uc218 \uc788\ub3c4\ub85d \ub3c4\uc640\uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud074\ub77c\uc6b0\ub4dc \uc778\ud504\ub77c \uc804\ubc18\uc5d0 \uac78\uccd0 10G, 25G \ubc0f \ub354 \ub192\uc740 \uc18d\ub3c4\uc758 \uc774\ub354\ub137 \ubc30\ud3ec\uac00 \uacc4\uc18d \ud655\uc7a5\ub428\uc5d0 \ub530\ub77c, <strong><s>\uc911\uc18c\uae30\uc5c5(SMB) \ub124\ud2b8\uc6cc\ud06c<\/s><\/strong>, \uc0b0\uc5c5\uc6a9 \uc774\ub354\ub137 \ubc0f AI \ub370\uc774\ud130\uc13c\ud130\uc5d0\uc11c SFP \uae30\ubc18 \uc5f0\uacb0\uc740 \uc5ec\uc804\ud788 \uac00\uc7a5 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \ubb3c\ub9ac \uacc4\uce35 \uc0c1\ud638 \uc5f0\uacb0 \uae30\uc220 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \ub2e4\uc911 \ubaa8\ub4dc \uad11\uc12c\uc720, \ub2e8\uc77c \ubaa8\ub4dc \uad11\uc12c\uc720, DAC \ucf00\uc774\ube14 \ub610\ub294 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476770.htm\">RJ45 \uad6c\ub9ac \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub97c \uc0ac\uc6a9\ud558\ub4e0 \uac04\uc5d0,<\/a>, SFP \ub9c1\ud06c\uc758 \uc2e0\ub8b0\uc131\uc740 \ub300\uc5ed\ud3ed \uc548\uc815\uc131, \uc9c0\uc5f0 \uc2dc\uac04 \uc77c\uad00\uc131 \ubc0f \uc804\uccb4 \ub124\ud2b8\uc6cc\ud06c \uac00\ub3d9 \uc2dc\uac04\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cSFP \ub9c1\ud06c\u201d\ub77c\ub294 \ud0a4\uc6cc\ub4dc\uac00 \uac15\ud55c \uac80\uc0c9 \uc218\uc694\ub97c \ubcf4\uc774\ub294 \uc774\uc720 \uc911 \ud558\ub098\ub294 \uc0ac\uc6a9\uc790\ub4e4\uc774 \ub9e4\uc6b0 \uc2e4\uc6a9\uc801\uc778 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub824\uace0 \ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc65c SFP \ub9c1\ud06c \ud45c\uc2dc\ub4f1\uc774 \uaebc\uc838 \uc788\ub098\uc694?<\/p><\/li><li><p>\ucf00\uc774\ube14\uc774 \uc5f0\uacb0\ub418\uc5b4 \uc788\uc74c\uc5d0\ub3c4 SFP \ud3ec\ud2b8\uac00 \u201cdown\u201d\uc73c\ub85c \ud45c\uc2dc\ub418\ub098\uc694?<\/p><\/li><li><p>\uc11c\ub85c \ub2e4\ub978 \uc81c\uc870\uc0ac\uc758 SFP \ubaa8\ub4c8\uc744 \ud568\uaed8 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub098\uc694?<\/p><\/li><li><p>\uc65c \ub9c1\ud06c\uac00 \uc8fc\uae30\uc801\uc73c\ub85c \ubd88\uc548\uc815\ud558\uac8c \uae5c\ube61\uc774\uc8e0?<\/p><\/li><li><p>\uad11\uc12c\uc720, DAC \ub610\ub294 RJ45 SFP \ubaa8\ub4c8 \uc911 \uc5b4\ub290 \uac83\uc744 \uc0ac\uc6a9\ud574\uc57c \ud558\ub098\uc694?<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uc9c8\ubb38\ub4e4\uc740 \ub2e8\uc21c\ud55c \ucd08\ubcf4\uc790 \uc9c8\ubb38\uc774 \uc544\ub2d9\ub2c8\ub2e4. \uc2ec\uc9c0\uc5b4 \uc219\ub828\ub41c \ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4\uc870\ucc28\ub3c4 \ubca4\ub354\ubcc4\ub85c \ucf54\ub529\ub41c \uad11\ud559 \uc7a5\uce58, \ub514\uc9c0\ud138 \uad11\ud559 \ubaa8\ub2c8\ud130\ub9c1(<span class=\"math\">DOM<\/span>) \ubd88\uc77c\uce58, \uc815\ubc29\ud5a5 \uc624\ub958 \uc815\uc815(<span class=\"math\">FEC<\/span>) \ubd88\uc77c\uce58 \ub610\ub294 \ubd80\uc801\uc808\ud55c \uad11 \ucd9c\ub825 \uc608\uc0b0\uc73c\ub85c \uc778\ud574 \ubc1c\uc0dd\ud558\ub294 \uc0c1\ud638 \uc6b4\uc6a9\uc131 \ubb38\uc81c\ub97c \uc790\uc8fc \uacaa\uc2b5\ub2c8\ub2e4.<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/ddm-dom-in-optical-transceivers\/\">DOM<\/a>) \ubd88\uc77c\uce58, \uc815\ubc29\ud5a5 \uc624\ub958 \uc815\uc815(<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/fec-forward-error-correction-in-optical-communication\/\">FEC<\/a>) \ubd88\uc77c\uce58 \ub610\ub294 \ubd80\uc801\uc808\ud55c \uad11 \ucd9c\ub825 \uc608\uc0b0\uc73c\ub85c \uc778\ud574 \ubc1c\uc0dd\ud558\ub294 \uc0c1\ud638 \uc6b4\uc6a9\uc131 \ubb38\uc81c\ub97c \uc790\uc8fc \uacaa\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubcf8 \uac00\uc774\ub4dc\uc5d0\uc11c\ub294 SFP \ub9c1\ud06c\uc758 \uc758\ubbf8, SFP \ub9c1\ud06c\uac00 \uc5b4\ub5bb\uac8c \uc124\uc815\ub418\ub294\uc9c0, \ub9c1\ud06c \uc2e4\ud328\uc758 \uac00\uc7a5 \ud754\ud55c \uc6d0\uc778, \uadf8\ub9ac\uace0 \uc2e4\uc81c \ud504\ub85c\ub355\uc158 \ud658\uacbd\uc5d0\uc11c \uccb4\uacc4\uc801\uc73c\ub85c \ubb38\uc81c\ub97c \uc9c4\ub2e8\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4. \ub610\ud55c \uad11\uc12c\uc720, DAC, \uad6c\ub9ac \uae30\ubc18 SFP \ubc30\ud3ec \ubc29\uc2dd\uc744 \ube44\uad50\ud558\uc5ec \ub124\ud2b8\uc6cc\ud06c \uc124\uacc4\uc790\uac00 \ub2e4\uc591\ud55c \uc751\uc6a9 \uc2dc\ub098\ub9ac\uc624\uc5d0 \uac00\uc7a5 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc194\ub8e8\uc158\uc744 \uc120\ud0dd\ud560 \uc218 \uc788\ub3c4\ub85d \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uae30\uc0ac\ub97c \uc77d\uc73c\uba74 \ub2e4\uc74c \ub0b4\uc6a9\uc744 \ubc30\uc6b0\uac8c \ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ubb3c\ub9ac \uacc4\uce35 \ubc0f \ud504\ub85c\ud1a0\ucf5c \uacc4\uce35\uc5d0\uc11c SFP \ub9c1\ud06c\ub780 \ubb34\uc5c7\uc778\uac00<\/p><\/li><li><p>\ud558\ub4dc\uc6e8\uc5b4\uac00 \uc5f0\uacb0\ub418\uc5b4 \ubcf4\uc774\ub354\ub77c\ub3c4 SFP \ub9c1\ud06c\uac00 \uc2e4\ud328\ud558\ub294 \uc774\uc720<\/p><\/li><li><p>SFP \ub9c1\ud06c \ubb38\uc81c\ub97c \ub2e8\uacc4\ubcc4\ub85c \uc9c4\ub2e8\ud558\ub294 \ubc29\ubc95<\/p><\/li><li><p>How compatibility and vendor coding affect interoperability <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/interoperability-in-networking-meaning-standards-connectivity\/\">How to reduce link flapping, packet loss, and CRC\/FCS errors<\/a><\/p><\/li><li><p>Best practices for selecting stable options for enterprise networks<\/p><\/li><li><p>For readers deploying optical infrastructure at scale, this article also references industry standards such as <a target=\"\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">SFP \uc804\uc1a1\uae30<\/a> and practical field experience from enterprise switching, fiber uplinks, and data center interconnect deployments.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uad11 \uc778\ud504\ub77c\ub97c \ub300\uaddc\ubaa8\ub85c \ubc30\ud3ec\ud558\ub294 \ub3c5\uc790\ub4e4\uc744 \uc704\ud574, \uc774 \uae30\uc0ac\uc5d0\uc11c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc0b0\uc5c5 \ud45c\uc900\ub3c4 \ucc38\uc870\ud569\ub2c8\ub2e4. <a target=\"_blank\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/ieee-802-3-ethernet-standard-explained\/\">IEEE 802.3<\/a> An SFP link is the active communication path created when two network devices establish a successful physical-layer connection through SFP or SFP+ transceivers. The link becomes operational only when both sides agree on parameters such as speed, wavelength, encoding method, and signal integrity. In Ethernet networks, the SFP link acts as the physical transport layer that carries data between switches, routers, servers, storage systems, or optical transmission equipment.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udfe0 SFP \ub9c1\ud06c\ub780 \ubb34\uc5c7\uc778\uac00?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SFP stands for.<\/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\/6bb0332c328b42069712a0da75cb20f0.jpg\" alt=\"What Is an SFP Link?\" class=\"wp-image-7294\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6bb0332c328b42069712a0da75cb20f0.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6bb0332c328b42069712a0da75cb20f0-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6bb0332c328b42069712a0da75cb20f0-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6bb0332c328b42069712a0da75cb20f0-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6bb0332c328b42069712a0da75cb20f0-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >, a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SFP\ub294 <a target=\"_self\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/sfp-small-form-factor-pluggable-transceiver-guide\/\">\uc18c\ud615 \ud3fc\ud329\ud130 \ud50c\ub7ec\uadf8\uc5b4\ube14(Small Form-factor Pluggable)<\/a>, is the hardware, while the SFP link is the live connection created through it. <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/478230.htm\">\ud56b\uc2a4\uc651 \uac00\ub2a5\ud55c \ud2b8\ub79c\uc2dc\ubc84<\/a> A typical SFP link includes:.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac04\ub2e8\ud788 \ub9d0\ud558\uba74:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><span class=\"highlight\">The<\/span> <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/488468.htm\">SFP \ubaa8\ub4c8<\/a> \ud558\ub4dc\uc6e8\uc5b4\ub97c \uc758\ubbf8\ud558\uba70, SFP \ub9c1\ud06c\ub294 \uc774\ub97c \ud1b5\ud574 \uc0dd\uc131\ub418\ub294 \uc2e4\uc2dc\uac04 \uc5f0\uacb0\uc785\ub2c8\ub2e4.<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Fiber,<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>, or copper cabling<\/p><\/li><li><p>Matching port configurations, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/direct-attach-cables-dac-in-networking\/\">DAC<\/a>, Stable signal synchronization<\/p><\/li><li><p>If any of these fail, the link may stay down or become unstable.<\/p><\/li><li><p>How an SFP Link Is Established<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uc911 \ud558\ub098\ub77c\ub3c4 \uc2e4\ud328\ud558\uba74 \ub9c1\ud06c\uac00 \ub2e4\uc6b4\ub41c \uc0c1\ud0dc\ub85c \uc720\uc9c0\ub418\uac70\ub098 \ubd88\uc548\uc815\ud574\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >SFP \ub9c1\ud06c\uac00 \uc124\uc815\ub418\ub294 \ubc29\uc2dd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Process.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5f0\uacb0\uc774 \uc548\uc815\ud654\ub41c \ud6c4\uc5d0\uc57c \ub9c1\ud06c LED\uac00 \ucf1c\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 296px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"296\"><p>\ub2e8\uacc4<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\ud504\ub85c\uc138\uc2a4<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"296\"><p>1<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SFP \ubaa8\ub4c8\uc744 \uac10\uc9c0\ud569\ub2c8\ub2e4<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"296\"><p>2<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud655\uc778\ud558\uc2ed\uc2dc\uc624 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/how-to-test-sfp-compatibility\/\">\ud638\ud658\uc131<\/a><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"296\"><p>3<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ucf00\uc774\ube14\/ fibra\ub97c \uc5f0\uacb0\ud569\ub2c8\ub2e4<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"296\"><p>4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc2e0\ud638\ub97c \uc77c\uc815\ud558\uac8c \ud569\ub2c8\ub2e4<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"296\"><p>5<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub9c1\ud06c\ub97c \uc124\uc815\ud569\ub2c8\ub2e4<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >SFP \ub9c1\ud06c\uc758 \uc77c\ubc18\uc801\uc778 \uc720\ud615\ub4e4<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" >\ub808\uc774\uc800(optical) \ub9c1\ud06c<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\uba40\ud2f0\ubaa8\ub4dc \ub610\ub294 \ub2e8\ubaa8\ub4dc fibra\ub97c \ud1b5\ud574 \uc7a5\uac70\ub9ac \ubc0f \ube60\ub978 \uc18d\ub3c4 \uc804\uc1a1\uc744 \uc704\ud574 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \ud45c\uc900\ub4e4\uc5d0 \ud3ec\ud568\ub429\ub2c8\ub2e4. <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/475415.htm\">10GBASE-SR<\/a> \ubc0f <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/475586.htm\">10GBASE-LR<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub808\uc774\uc800 \ub9c1\ud06c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc7a5\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub354 \uae34 \uc804\uc1a1 \uac70\ub9ac<\/p><\/li><li><p>\ud5a5\uc0c1\ub41c <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/what-is-electromagnetic-interference\/\">EMI <\/a>\ub0b4\uad6c\uc131<\/p><\/li><li><p>\ub354 \ub0ae\uc740 \uc9c0\uc5f0<\/p><\/li><li><p>\ub354 \ub192\uc740 \ub300\uc5ed\ud3ed \ud655\uc7a5\uc131<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" >DAC \ub9c1\ud06c<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\uc9c1\uacb0 \ucf54\uc5b4(DAC) \ucf00\uc774\ube14\uc740 \uc11c\ubc84\uc640 \uc2a4\uc704\uce58 \uac04\uc758 \ub799 \ub0b4\ubd80\uc5d0\uc11c \uc9e7\uc740 \uac70\ub9ac\uc758 \uc11c\ubc84\uc640 \uc2a4\uc704\uce58 \uac04 \uc5f0\uacb0\uc744 \uc704\ud574 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \ubc30\uce58 \uc0ac\ub840\ub4e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/what-is-a-tor-top-of-rack-switch\/\">\ub799 \uc0c1\ub2e8(Top-of-Rack)<\/a> (ToR) \uc2a4\uc704\uce6d<\/p><\/li><li><p>\uc11c\ubc84\uc640 \uc2a4\uc704\uce58 \uac04\uc758 \uc5f0\uacb0<\/p><\/li><li><p>\uc9e7\uc740 \uac70\ub9ac 10G\/25G \ub9c1\ud06c<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" >RJ45 \ucf54\uc5b4 \ub9c1\ud06c<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ubaa8\ub4c8\ub4e4\uc740 Ethernet over <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/cat5e-vs-cat6-vs-cat6a-for-copper-sfp\/\">Cat5e\/Cat6 \ucf54\uc5b4 \ucf00\uc774\ube14\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/a> \uadf8\ub7ec\ub098 \uc77c\ubc18\uc801\uc73c\ub85c \ub808\uc774\uc800(optical) \ub9c1\ud06c\ub294 \ub354 \ub9ce\uc740 \uc5f4\uc744 \ubc1c\uc0dd\uc2dc\ud0a4\uace0, \ud638\ud658\uc131 \ubb38\uc81c\ub97c \uc77c\uc73c\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ub9c1\ud06c\ub4e4\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uc774\uc720\ub85c \uc778\uae30\uac00 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uae30\uc874 \ucf54\uc5b4 \ub124\ud2b8\uc6cc\ud06c \uae30\ubc18\uc744 \uc7ac\uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4<\/p><\/li><li><p>SMB \ubc30\ud3ec\ub97c \uac04\uc18c\ud654\ud569\ub2c8\ub2e4<\/p><\/li><li><p>\ub808\uc774\uc800 \uc124\uce58 \ube44\uc6a9\uc744 \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >SFP \ub9c1\ud06c vs. Ethernet \ub9c1\ud06c: \ucc28\uc774\ub780 \ubb34\uc5c7\uc778\uac00?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ethernet \ub9c1\ud06c\ub294 \ub450 \uc7a5\uce58 \uac04\uc758 \ub17c\ub9ac\uc801 \ub124\ud2b8\uc6cc\ud06c \uc5f0\uacb0\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \ub9c1\ud06c\ub294 Ethernet \ud504\ub808\uc784\uc744 \uc804\uc1a1\ud558\ub294 \ubb3c\ub9ac\uc801 \uc804\uc1a1 \ub9e4\uac1c\uccb4\ub97c \uac00\ub9ac\ud0a4\uba70, \uc774\uc804\uc5d0 \uc124\uba85\ud55c Ethernet \ub9c1\ud06c\uc640\ub294 \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub807\uac8c \uc0dd\uac01\ud574\ubcf4\uba74:<\/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>\uc6a9\uc5b4<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc758\ubbf8<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"290\"><p>Ethernet \ub9c1\ud06c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub17c\ub9ac\uc801 \ub124\ud2b8\uc6cc\ud06c \ud1b5\uc2e0<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"290\"><p>SFP \ub9c1\ud06c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ubb3c\ub9ac\uc801 \ub808\uc774\uc800\/\uc804\ub958 \uc804\uc1a1 \uacbd\ub85c<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc548\uc815\uc801\uc778 SFP \ub9c1\ud06c\uac00 \uc5c6\uc73c\uba74 Ethernet \ub808\uc774\uc5b4\ub294 \ud504\ub808\uc784\uc744 \uc2e0\ub8b0\ud560 \uc218 \uc5c6\ub294 \ubc29\uc2dd\uc73c\ub85c \uc804\uc1a1\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >SFP \ub9c1\ud06c\uac00 \uc2e4\ud328\ud560 \ub54c \uc8fc\ub85c \uc5b4\ub5a4 \uc6d0\uc778\ub4e4\uc774 \uc788\uc744\uae4c\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \ub9c1\ud06c \ubb38\uc81c\ub294 \uc8fc\ub85c \ubb3c\ub9ac \ub808\uc774\uc5b4\uc640 \uad00\ub828\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \uc6d0\uc778\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub429\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><li><p>\uc798\ubabb\ub41c \ub808\uc774\uc800 polarity<\/p><\/li><li><p>\uc18d\ub3c4 \ub610\ub294 FEC \ubd88\uc77c\uce58<\/p><\/li><li><p>\ubd88\uacb0\ud55c LC \ucee4\ub125\ud130<\/p><\/li><li><p>\uc9c0\uc6d0\ub418\uc9c0 \uc54a\ub294 \ube0c\ub79c\ub4dc \ucf54\ub4dc<\/p><\/li><li><p>\ub808\uc774\uc800 \uc804\ub825 \uc190\uc2e4<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc62c\ubc14\ub974\uac8c \ubaa8\ub4c8\uc744 \uc0bd\uc785\ud588\ub354\ub77c\ub3c4, \uc774 \uc870\uac74\uc774 \ub9cc\uc871\ub418\uc9c0 \uc54a\uc73c\uba74 \ub9c1\ud06c\uac00 \uc2e4\ud328\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc8fc\uc694 \uc694\uc57d<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>SFP \ub9c1\ud06c\ub294 SFP \uc804\uc1a1\uae30\ub97c \ud1b5\ud574 \ub9cc\ub4e4\uc5b4\uc9c0\ub294 \ubb3c\ub9ac\uc801 \uc5f0\uacb0\uc785\ub2c8\ub2e4.<\/p><\/li><li><p>\ub9c1\ud06c\ub294 \ud638\ud658\uc131, \uc2e0\ud638 \ud488\uc9c8, \uadf8\ub9ac\uace0 \uc815\ud655\ud55c \ub17c\uc758\uc5d0 \uc758\uc874\ud569\ub2c8\ub2e4.<\/p><\/li><li><p>Fiber, DAC, \uadf8\ub9ac\uace0 RJ45 SFP \ub9c1\ud06c\ub294 \ubc30\uce58 \uc0ac\ub840\uac00 \ub2e4\ub985\ub2c8\ub2e4.<\/p><\/li><li><p>SFP \ub9c1\ud06c\uc758 \ub300\ubd80\ubd84\uc758 \uc2e4\ud328\ub294 \ubb3c\ub9ac \ub808\uc774\uc5b4 \ubb38\uc81c\uc5d0\uc11c \ube44\ub86f\ub429\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udfe0 \ub098\uc758 SFP \ub9c1\ud06c\uac00 \ub728\uc9c0 \uc54a\uc74c\uc774 \uc774\uc720<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \ub9c1\ud06c\uac00 \uc62c\ub77c\uc624\uc9c0 \uc54a\ub294\ub2e4\uba74, \uc8fc\ub85c \ubb3c\ub9ac \ub808\uc774\uc5b4 \ubb38\uc81c \ub54c\ubb38\uc774 \uc544\ub2c8\ub77c IP \ub610\ub294 \ub8e8\ud305 \uad6c\uc131 \ubb38\uc81c \ub54c\ubb38\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uac00\uc7a5 \ud754\ud55c \uc6d0\uc778\uc740 SFP \ubaa8\ub4c8\uc758 \ud638\ud658\uc131 \ubb38\uc81c, \ube5b\uc758 \uc804\uadf9 polarity \uc624\ub958, \uc18d\ub3c4 \ubd88\uc77c\uce58, \uc9c0\uc6d0\ub418\uc9c0 \uc54a\ub294 FEC \uc124\uc815, \ucee4\ub125\ud130\uc758 \uba3c\uc9c0, \uad11 \uc2e0\ud638 \uac15\ub3c4 \ubd80\uc871\uc785\ub2c8\ub2e4. \uae30\uc5c5 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c\ub294 \ud638\ud658\uc131\uacfc \uc2e0\ud638 \uc2e0\ub8b0\ub3c4\ub97c \ud655\uc778\ud558\ub294 \uac83\uc774 \uac00\uc7a5 \ube60\ub978 \ub9c1\ud06c \ubcf5\uad6c \ubc29\ubc95\uc785\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\/f07289a29f2f460daabb31e2e21d0467.jpg\" alt=\"Why Is My SFP Link Not Coming Up?\" class=\"wp-image-7295\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f07289a29f2f460daabb31e2e21d0467.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f07289a29f2f460daabb31e2e21d0467-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f07289a29f2f460daabb31e2e21d0467-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f07289a29f2f460daabb31e2e21d0467-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f07289a29f2f460daabb31e2e21d0467-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >SFP \ub9c1\ud06c\uac00 \uacc4\uc18d \ub04a\uae30\ub294 \uac00\uc7a5 \ud754\ud55c \uc774\uc720<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \ud3ec\ud2b8 LED\uac00 \uaebc\uc838 \uc788\uace0 \uc778\ud130\ud398\uc774\uc2a4\uac00 \u201c\ub9c1\ud06c \ub2e4\uc6b4\u201d\uc73c\ub85c \ud45c\uc2dc\ub420 \ub54c, \uc6b0\uc120\uc801\uc73c\ub85c \uc774 \uac00\ub2a5\uc131\ub4e4\uc744 \uace0\ub824\ud574\uc57c \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>\ubb38\uc81c<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc77c\ubc18\uc801\uc778 \uacb0\uacfc<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uc9c0\uc6d0\ub418\uc9c0 \uc54a\ub294 SFP \ubaa8\ub4c8<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud3ec\ud2b8\uac00 \ube44\ud65c\uc131\ud654\ub41c \uacbd\uc6b0<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\ube5b\uc758 TX\/RX \uc804\uadf9 polarity\uac00 \uc798\ubabb\ub41c \uacbd\uc6b0<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uad11 \uc2e0\ud638\uac00 \uc5c6\ub294 \uacbd\uc6b0<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uc18d\ub3c4 \ubd88\uc77c\uce58<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub9c1\ud06c \uc2e4\ud328<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\ubd88\uacb0\ud55c LC \ucee4\ub125\ud130<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>CRC\/FCS \uc624\ub958<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>FEC \ubd88\uc77c\uce58<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub9c1\ud06c \ud50c\ub798\ud551<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uc798\ubabb\ub41c \ube5b\uc758 \ud30c\uc7a5 \ub9e4\uce6d<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc2dc\ud000\uc2a4 \uc624\ub958<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\ud30c\uc774\ud504\ub77c\uc778 \ucf00\uc774\ube14\uc774 \uc190\uc0c1\ub41c \uacbd\uc6b0<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ubd88\uc548\uc815\ud55c \uc5f0\uacb0<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\uc81c \uad6c\ud604\uc5d0\uc11c \ud638\ud658\uc131 \ubb38\uc81c\uc640 \ube5b\uc758 \uc804\uadf9 polarity \uc624\ub958\ub294 \uac00\uc7a5 \ud754\ud55c \ubb38\uc81c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\ud638\ud658\uc131 \ubd80\uc871 SFP \ubaa8\ub4c8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9ce\uc740 \uc2a4\uc704\uce58\uc640 \ub77c\uc6b0\ud130\ub294 SFP \ubaa8\ub4c8 \ub0b4\ubd80\uc5d0 \uc788\ub294 \uc815\ubcf4\ub97c \ud655\uc778\ud569\ub2c8\ub2e4. \ubaa8\ub4c8\uc774 \ube0c\ub79c\ub4dc \uc778\uc99d\ub418\uc9c0 \uc54a\uc740 \uac83 \ub610\ub294 \uc801\uc808\ud788 \ucf54\ub529\ub418\uc9c0 \uc54a\uc740 \uacbd\uc6b0 \ud3ec\ud2b8\ub294 \ub9c1\ud06c\ub97c \uc124\uc815\ud558\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/eeprom-electrically-erasable-programmable-read-only-memory\/\">EEPROM<\/a> \uc77c\ubc18\uc801\uc778 \uc608\uc2dc\ub4e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uce90\uc2dc\ucf54\uc5b4(optics)\uac00 \uce90\uc2dc\ucf54\uc5b4 \ube0c\ub79c\ub4dc\uc758 \uc2a4\uc704\uce58\uc640 \ub77c\uc6b0\ud130\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \uacbd\uc6b0<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ud638\ud658\uc131 \ubd80\uc871 RJ45 SFP \ubaa8\ub4c8<\/p><\/li><li><p>1G\uc640 10G(optics)\ub97c \uc798\ubabb\uc801\uc73c\ub85c \uc11e\uc74c<\/p><\/li><li><p>\uc77c\ubd80 \uc7a5\uce58\ub294 \uc81c3\uc790(optics)\ub97c \ud5c8\uc6a9\ud558\ub294 \ubc18\uba74, \ub2e4\ub978 \uc7a5\uce58\ub294 \uc5c4\uaca9\ud55c \ud638\ud658\uc131 \uc815\ucc45\uc744 \uac15\uc694\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ubbf8\ud06c\ub85c\uc815\uc758: SFP \ubaa8\ub4c8 \ub0b4\ubd80\uc5d0 \uc788\ub294 EEPROM \uba54\ubaa8\ub9ac \uce69\uc740 \ube0c\ub79c\ub4dc \uc815\ubcf4\uc640 \uae30\ub2a5 \uc815\ubcf4\ub97c \uc800\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc798\ubabb\ub41c \ube5b\uc758 \uc804\uadf9 polarity.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\ube5b \ub9c1\ud06c\ub294 TX\uc640 RX \uc804\uadf9\uc758 \uc815\ub82c\uc774 \uc801\uc808\ud574\uc57c \ud569\ub2c8\ub2e4.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">TX\uc640 RX \ube5b\uc774 \uc5ed\uc804\uc77c \ub54c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uad11 \uc2e0\ud638\ub97c \uac10\uc9c0\ud558\uc9c0 \ubabb\ud569\ub2c8\ub2e4<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub9c1\ud06c\ub294 \uacc4\uc18d \ub04a\uc2b5\ub2c8\ub2e4<\/p><\/li><li><p>\uc2dc\ud000\uc2a4\uac00 \uc77c\uce58\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4<\/p><\/li><li><p>LC \ub2e4\uc774\ud50c\ub809\uc2a4 \ud30c\uc774\ud504\ub77c\uc778 \ubc30\uce58\uc5d0\uc11c \uac00\uc7a5 \ud754\ud55c \uc124\uce58 \uc624\ub958\uc785\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc18d\ub3c4 \ubc0f FEC \ubd88\uc77c\uce58.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\ub450 \uc7a5\uce58 \ubaa8\ub450 \ub3d9\uc77c\ud55c \ub9c1\ud06c \uc18d\ub3c4\uc640 Forward Error Correction(FEC) \ubaa8\ub4dc\ub97c \uc9c0\uc6d0\ud574\uc57c \ud569\ub2c8\ub2e4.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\uc2dc\ub4e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">10G \ud3ec\ud2b8\uac00 1G(optics)\uc73c\ub85c \uc5f0\uacb0\ub428<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ud55c \ucabd\uc5d0\uc11c RS-FEC\ub97c \uc0ac\uc6a9\ud558\uace0 \ub2e4\ub978 \ucabd\uc5d0\uc11c FEC\ub97c \ube44\ud65c\uc131\ud654\ud568<\/p><\/li><li><p>Auto-negotiation \ubd88\uc77c\uce58<\/p><\/li><li><p>\uc790\ub3d9 \ud611\uc0c1 \ubd88\uc77c\uce58<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">25G \ubc0f 100G\uc640 \uac19\uc740 \uace0\uc18d \uc774\ub354\ub137 \ub9c1\ud06c\ub294 \ud2b9\ud788 FEC \uad6c\uc131\uc5d0 \ubbfc\uac10\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Dirty or Damaged Connectors<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">LC \ucee4\ub125\ud130\uc5d0 \uc788\ub294 \ubbf8\uc138\ud55c \uba3c\uc9c0\uc870\ucc28\ub3c4 \uad11 \uc2e0\ud638\ub97c \uc0c1\ub2f9\ud788 \uc57d\ud654\uc2dc\ud0ac \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>\ub9c1\ud06c \ubd88\uc548\uc815\uc131<\/p><\/li><li><p>CRC\/FCS \uc624\ub958<\/p><\/li><li><p>\uac04\ud5d0\uc801 \ud328\ud0b7 \uc190\uc2e4<\/p><\/li><li><p>\ubb34\uc791\uc704 \ub9c1\ud06c \ud50c\ub798\ud551<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd5c\uc120\uc758 \ubc29\ubc95:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ud56d\uc0c1 <a target=\"_blank\" href=\"https:\/\/www.l-p.com\/blog\/how-to-clean-fiber-optic-connectors.htm\">\uad11\uc12c\uc720 \ucee4\ub125\ud130\ub97c \uccad\uc18c\ud558\uc138\uc694<\/a> \uc0bd\uc785\ud558\uae30 \uc804\uc5d0<\/p><\/li><li><p>\uac00\ub2a5\ud558\uba74 \uad11\uc12c\uc720 \uc810\uac80 \ub3c4\uad6c\ub97c \uc0ac\uc6a9\ud558\uc138\uc694<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >Optical Power Problems<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ubaa8\ub4e0 \uad11\uc12c\uc720 \ub9c1\ud06c\ub294 \uad11\ud559\uc801 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/power-budget-importance-calculation-management-for-devices\/\">\ud30c\uc6cc \uc608\uc0b0\uc744 \uac00\uc9d1\ub2c8\ub2e4<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c \uc774\uc720\ub85c \uc778\ud574 \uc2e0\ud638 \uc190\uc2e4\uc774 \uacfc\ub3c4\ud558\uac8c \ub192\uc544\uc9c8 \uacbd\uc6b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uae34 \uc804\uc1a1 \uac70\ub9ac<\/p><\/li><li><p>\uacfc\ub3c4\ud55c \ud328\uce58 \ud328\ub110<\/p><\/li><li><p>\ubd88\ub7c9\ud55c \uc2a4\ud50c\ub77c\uc774\uc2f1<\/p><\/li><li><p>\uad6c\ubd80\ub7ec\uc9c4 \uad11\uc12c\uc720 \ucf00\uc774\ube14<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u2026\uc218\uc2e0\uae30\uac00 \uc548\uc815\uc801\uc778 \uc2e0\ud638\ub97c \uac10\uc9c0\ud558\uc9c0 \ubabb\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub294 \ud2b9\ud788 \uc7a5\uac70\ub9ac \ub2e8\uc77c \ubaa8\ub4dc \ubc30\ud3ec \ud658\uacbd\uc5d0\uc11c \ud754\ud788 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\uc2e0\uc18d\ud55c \ubb38\uc81c \ud574\uacb0 \uccb4\ud06c\ub9ac\uc2a4\ud2b8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud558\ub4dc\uc6e8\uc5b4\ub97c \uad50\uccb4\ud558\uae30 \uc804\uc5d0 \ub2e4\uc74c \ud56d\ubaa9\ub4e4\uc744 \ud655\uc778\ud558\uc138\uc694:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc591\ucabd SFP \ubaa8\ub4c8\uc774 \ud638\ud658\ub418\ub294\uc9c0 \ud655\uc778\ud558\uc138\uc694<\/p><\/li><li><p>TX\/RX \uad11\uc12c\uc720 \uadf9\uc131(polarity)\uc744 \uc810\uac80\ud558\uc138\uc694<\/p><\/li><li><p>\uc591\ucabd \uc7a5\uce58\uc758 \ub9c1\ud06c \uc18d\ub3c4\uac00 \uc77c\uce58\ud558\ub294\uc9c0 \ud655\uc778\ud558\uc138\uc694<\/p><\/li><li><p>FEC \uc124\uc815\uc744 \uac80\uc99d\ud558\uc138\uc694<\/p><\/li><li><p>LC \ucee4\ub125\ud130\ub97c \uccad\uc18c\ud558\uc138\uc694<\/p><\/li><li><p>\uad11\uc12c\uc720 \ucf00\uc774\ube14 \uc0c1\ud0dc\ub97c \uc810\uac80\ud558\uc138\uc694<\/p><\/li><li><p>DOM \uad11\ud559 \ud30c\uc6cc \uac12\uc744 \uac80\ud1a0\ud558\uc138\uc694<\/p><\/li><li><p>\uc54c\ub824\uc9c4 \uc591\ud638\ud55c \uad11\ud559 \ubd80\ud488\uc73c\ub85c \ud14c\uc2a4\ud2b8\ud558\uc138\uc694<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc8fc\uc694 \uc694\uc57d<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub300\ubd80\ubd84\uc758 SFP \ub9c1\ud06c \uc7a5\uc560\ub294 \ubb3c\ub9ac \uacc4\uce35 \ubb38\uc81c\uc785\ub2c8\ub2e4.<\/p><\/li><li><p>\ud638\ud658\uc131, \uadf9\uc131, \uc2e0\ud638 \ud488\uc9c8\uc774 \uac00\uc7a5 \ud754\ud55c \uadfc\ubcf8 \uc6d0\uc778\uc785\ub2c8\ub2e4.<\/p><\/li><li><p>\uad11\uc12c\uc720 \ucee4\ub125\ud130\uac00 \ub354\ub7fd\ub2e4\uba74 \ud558\ub4dc\uc6e8\uc5b4\uac00 \uc5f0\uacb0\ub41c \uac83\ucc98\ub7fc \ubcf4\uc5ec\ub3c4 \uc2ec\uac01\ud55c \ubd88\uc548\uc815\uc131\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li><li><p>\uccb4\uacc4\uc801\uc778 \ubb38\uc81c \ud574\uacb0\uc740 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub97c \ubb34\uc791\uc704\ub85c \uad50\uccb4\ud558\ub294 \uac83\ubcf4\ub2e4 \ube60\ub985\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udfe0 \uc5b4\ub5a4 \ud638\ud658\uc131 \ubb38\uc81c\ub85c \uc778\ud574 SFP \ub9c1\ud06c\uac00 \ub04a\uc5b4\uc9c8 \uc218 \uc788\ub098\uc694?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \ud638\ud658\uc131 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud558\ub294 \uacbd\uc6b0\ub294 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\uac00, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/what-is-a-network-switch\/\">\uc2a4\uc704\uce58<\/a>, \ucf00\uc774\ube14 \ub610\ub294 \ud3ec\ud2b8 \uc124\uc815\uacfc \ud568\uaed8 \uc62c\ubc14\ub974\uac8c \uc791\ub3d9\ud558\uc9c0 \ubabb\ud560 \ub54c\uc785\ub2c8\ub2e4. \uac00\uc7a5 \ud754\ud55c \ubb38\uc81c\uc5d0\ub294 \ubca4\ub354 \ucf54\ub4dc\uac00 \uc801\uc6a9\ub41c \uad11\ud559 \ubd80\ud488, \uc18d\ub3c4 \ubd88\uc77c\uce58, \uc9c0\uc6d0\ub418\uc9c0 \uc54a\ub294 \ud30c\uc7a5, FEC \ube44\ud638\ud658\uc131, SFP \ubc0f SFP+ \ud45c\uc900 \uac04 \ucc28\uc774 \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc6b4\uc601 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c\ub294 \ud638\ud658\uc131 \ubb38\uc81c\uac00 SFP \ub9c1\ud06c\uac00 \ub2e4\uc6b4\ub418\uac70\ub098 \uac04\ud5d0\uc801\uc73c\ub85c \ud50c\ub798\ud551\ud558\ub294 \uc8fc\uc694 \uc6d0\uc778 \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=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9a7099d503814cbc8d6a9ff4f273524f.jpg\" alt=\"What Compatibility Problems Break an SFP Link?\" class=\"wp-image-7296\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9a7099d503814cbc8d6a9ff4f273524f.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9a7099d503814cbc8d6a9ff4f273524f-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9a7099d503814cbc8d6a9ff4f273524f-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9a7099d503814cbc8d6a9ff4f273524f-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9a7099d503814cbc8d6a9ff4f273524f-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >\uc65c SFP \ud638\ud658\uc131\uc774 \uc911\uc694\ud55c\uac00<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9ce\uc740 \uc0ac\uc6a9\uc790\ub294 \ubaa8\ub4e0 SFP \ubaa8\ub4c8\uc774 \ub3d9\uc77c\ud55c \ud45c\uc900\uc744 \ub530\ub974\uba70 \ubcf4\ud3b8\uc801\uc73c\ub85c \uc791\ub3d9\ud574\uc57c \ud55c\ub2e4\uace0 \uac00\uc815\ud569\ub2c8\ub2e4. \uc2e4\uc81c\ub85c \ud604\ub300\uc758 \uc2a4\uc704\uce58 \ubc0f \ub77c\uc6b0\ud130\ub294 \uc885\uc885 \ub2e4\uc74c \uc0ac\ud56d\uc744 \uac80\uc99d\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ubca4\ub354 \ucf54\ub4dc<\/p><\/li><li><p>EEPROM \uc815\ubcf4<\/p><\/li><li><p>\uc9c0\uc6d0\ub418\ub294 \uc774\ub354\ub137 \ud45c\uc900<\/p><\/li><li><p>\uad11\ud559 \ub9e4\uac1c\ubcc0\uc218<\/p><\/li><li><p>\uc804\ub825 \uc694\uad6c \uc0ac\ud56d<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc7a5\uce58\uac00 \uc774\ub7ec\ud55c \uc870\uac74 \uc911 \ud558\ub098\ub77c\ub3c4 \uac70\ubd80\ud558\uba74 \ud3ec\ud2b8\uac00 \ub9c1\ud06c\ub97c \uc644\uc804\ud788 \ube44\ud65c\uc131\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9c8\uc774\ud06c\ub85c \uc815\uc758: \ubca4\ub354 \ucf54\ub529(Vendor coding)\uc740 \ud2b9\uc815 \uc2a4\uc704\uce58 \uc81c\uc870\uc0ac\uc640 \uc77c\uce58\ud558\ub3c4\ub85d SFP \ubaa8\ub4c8 EEPROM\uc5d0 \ud504\ub85c\uadf8\ub798\ubc0d\ub41c \uc2dd\ubcc4 \ub370\uc774\ud130\ub97c \ub9d0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\ubca4\ub354 \ucf54\ub529\ub41c SFP \ubaa8\ub4c8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \ub9c1\ud06c \uc7a5\uc560\uc758 \uac00\uc7a5 \ud754\ud55c \uc6d0\uc778 \uc911 \ud558\ub098\ub294 \ubca4\ub354 \ub77d\uc778(vendor lock-in)\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubd80 \ub124\ud2b8\uc6cc\ud06c \ube0c\ub79c\ub4dc\ub294 \uc2b9\uc778\ub41c \uad11\ud559 \ubd80\ud488\ub9cc \ud5c8\uc6a9\ud569\ub2c8\ub2e4. EEPROM \ucf54\ub529\uc774 \ubca4\ub354 \uc815\ucc45\uacfc \uc77c\uce58\ud558\uc9c0 \uc54a\uc73c\uba74:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ud3ec\ud2b8\uac00 \ube44\ud65c\uc131\ud654\ub41c \uc0c1\ud0dc\ub85c \ub0a8\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4<\/p><\/li><li><p>\uacbd\uace0 \uba54\uc2dc\uc9c0\uac00 \ud45c\uc2dc\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4<\/p><\/li><li><p>DOM(Digital Optical Monitoring) \ubaa8\ub2c8\ud130\ub9c1\uc774 \uc2e4\ud328\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4<\/p><\/li><li><p>\ub9c1\ud06c\uac00 \ubd88\uc548\uc815\ud574\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc601\ud5a5\uc744 \ubc1b\ub294 \uc77c\ubc18\uc801\uc778 \ud658\uacbd:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc2dc\uc2a4\ucf54<\/p><\/li><li><p>HPE<\/p><\/li><li><p>\uc8fc\ub2c8\ud37c<\/p><\/li><li><p>\uc544\ub9ac\uc2a4\ud0c0<\/p><\/li><li><p>\uc6b0\ube44\ud034\ud2f0<\/p><\/li><li><p>\uc778\ud154 NIC<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\uac83\uc774 \ub9ce\uc740 Reddit \uc0ac\uc6a9\uc790\ub4e4\uc774 \ub2e4\uc74c\uc744 \uac80\uc0c9\ud558\ub294 \uc774\uc720\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u201c<a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/477562.htm\">Cisco \ud638\ud658 SFP<\/a>\u201d<\/p><\/li><li><p>\u201cIntel \ucf54\ub529 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\u201d<\/p><\/li><li><p>\u201c\ud0c0\uc0ac SFP \uc778\uc2dd\ub418\uc9c0 \uc54a\uc74c\u201d<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >SFP vs. SFP+ Speed Mismatch<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \ubc0f SFP+ \ubaa8\ub4c8\uc740 \ubb3c\ub9ac\uc801\uc73c\ub85c \uc720\uc0ac\ud558\uc9c0\ub9cc, \uc11c\ub85c \ub2e4\ub978 \uc18d\ub3c4\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=\"width: 255px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"255\"><p>\ubaa8\ub4c8 \uc720\ud615<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc77c\ubc18\uc801\uc778 \uc18d\ub3c4<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"255\"><p>SFP<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1G<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"255\"><p>SFP+<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10G<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \uc2e4\uc218\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>1G \uad11\ud559 \ubd80\ud488\uc744 10G \uc804\uc6a9 \ud3ec\ud2b8\uc5d0 \uc124\uce58<\/p><\/li><li><p>\uc5f0\uacb0 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/475852.htm\">10G \uad11\ud559 \ubd80\ud488<\/a> 1G\ub85c \uace0\uc815\ub41c \uae30\uae30\uc5d0<\/p><\/li><li><p>\uc9c0\uc6d0\ub418\uc9c0 \uc54a\ub294 \uc624\ud1a0 \ub124\uace0\uc2dc\uc5d0\uc774\uc158 \uc124\uc815 \ud63c\ud569<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubd80 \ud3ec\ud2b8\ub294 \ud558\uc704 \ud638\ud658\uc131\uc744 \uc9c0\uc6d0\ud558\uc9c0\ub9cc, \ub2e4\ub978 \ud3ec\ud2b8\ub294 \uadf8\ub807\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\ud30c\uc7a5 \ubc0f \uad11\uc12c\uc720 \uc720\ud615 \ubd88\uc77c\uce58<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uad11\uc12c\uc720 \ub9c1\ud06c\ub294 \uc77c\uce58\ud558\ub294 \uad11\ud559 \uc0ac\uc591\uc744 \uc694\uad6c\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">10G \ud3ec\ud2b8\uac00 1G(optics)\uc73c\ub85c \uc5f0\uacb0\ub428<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>850nm <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476099.htm\">SR \uad11\ud559 \uc7a5\uce58<\/a> 850nm SR \uad11\ud559 \ubd80\ud488\uacfc \ub9e4\uce6d\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4<\/p><\/li><li><p>1310nm <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/491664.htm\">LR \uad11\ud559 \ubd80\ud488<\/a> \ud638\ud658\ub418\ub294 LR \ubaa8\ub4c8\uacfc \uc5f0\uacb0\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4<\/p><\/li><li><p>\ub2e8\ubaa8\ub4dc \ubc0f \ub2e4\uc911\ubaa8\ub4dc \uad11\uc12c\uc720\ub294 \ud56d\uc0c1 \uc548\uc804\ud558\uac8c \ud63c\ud569\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc798\ubabb\ub41c \uc870\ud569\uc740 \uc885\uc885 \ub2e4\uc74c\uc744 \ucd08\ub798\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uad11\ud559 \ub3d9\uae30\ud654 \uc2e4\ud328<\/p><\/li><li><p>\uc57d\ud55c \uc2e0\ud638 \uac10\uc9c0<\/p><\/li><li><p>\ub9c1\ud06c \ubd88\uc548\uc815\uc131<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >\uc9c0\uc6d0\ub418\uc9c0 \uc54a\ub294 FEC \uc124\uc815<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uace0\uc18d \uc774\ub354\ub137 \ub9c1\ud06c\ub294 \uc810\ucc28 \uc804\ubc29 \uc624\ub958 \uc815\uc815(FEC, Forward Error Correction)\uc5d0 \uc758\uc874\ud558\uac8c \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud55c\ucabd\uc5d0\uc11c RS-FEC\ub97c \ud65c\uc131\ud654\ud558\uace0 \ub2e4\ub978 \ucabd\uc5d0\uc11c FEC\ub97c \ube44\ud65c\uc131\ud654\ud558\uba74:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub9c1\ud06c\uac00 \uc644\uc804\ud788 \uc2e4\ud328\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4<\/p><\/li><li><p>\ud328\ud0b7 \uc624\ub958\uac00 \uc99d\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4<\/p><\/li><li><p>\uac04\ud5d0\uc801\uc778 \ud50c\ub798\ud551(flapping)\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ubb38\uc81c\ub294 \ud2b9\ud788 \ub2e4\uc74c\uc5d0\uc11c \ud754\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>25G \uc774\ub354\ub137<\/p><\/li><li><p>100G \uc5c5\ub9c1\ud06c<\/p><\/li><li><p>DAC(Direct Attach Cable) \ubc30\ud3ec \ud658\uacbd<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9c8\uc774\ud06c\ub85c \uc815\uc758: FEC(Forward Error Correction)\ub294 \uace0\uc18d \uc774\ub354\ub137 \uc804\uc1a1\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ubb3c\ub9ac \uacc4\uce35 \uc624\ub958 \ubcf5\uad6c \uba54\ucee4\ub2c8\uc998\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >RJ45 Copper SFP Compatibility Problems<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476812.htm\">RJ45 SFP \ubaa8\ub4c8<\/a> \ub354 \ub9ce\uc740 \ud638\ud658\uc131 \ubb38\uc81c\ub97c \uc57c\uae30\ud569\ub2c8\ub2e4 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/478231.htm\">\uad11 \ubaa8\ub4c8<\/a> \ub0b4\uc7a5 PHY \uce69\uc744 \ud3ec\ud568\ud558\uace0 \ub354 \ub9ce\uc740 \uc804\ub825\uc744 \uc18c\ube44\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\ub978 \uad11\ud559 \ud30c\uc7a5<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uacfc\ub3c4\ud55c \uc5f4<\/p><\/li><li><p>\uc9c0\uc6d0\ub418\uc9c0 \uc54a\ub294 \uc804\ub825 \uc18c\ube44<\/p><\/li><li><p>PHY \ub124\uace0\uc2dc\uc5d0\uc774\uc158 \uc2e4\ud328<\/p><\/li><li><p>\uc81c\ud55c\ub41c \ud3ec\ud2b8 \uc9c0\uc6d0<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubd80 \uc2a4\uc704\uce58\ub294 \ud2b9\uc815 \ubaa8\ub378\uc758 \uc2a4\uc704\uce58\ub9cc \uc9c0\uc6d0 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476800.htm\">RJ45 \uc804\uc790\uc2dd \uc804\uc1a1\uae30<\/a> \ud45c\uc900 SFP \ub808\uc774\uc800\ub97c \uc0ac\uc6a9\ud560 \ub54c\uc5d0\ub3c4 \ubaa8\ub378\uc774 \ub2e4\ub978 \uacbd\uc6b0.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\ud638\ud658\uc131 \ubb38\uc81c \ud574\uacb0 \uc810\uac80 \ubaa9\ub85d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud558\ub4dc\uc6e8\uc5b4 \uad50\uccb4 \uc804\uc5d0 \ud655\uc778<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc2a4\uc704\uce58\uc5d0\uc11c \uacf5\uc778\ub41c SFP \ubaa8\ub4c8\uc744 \uc0ac\uc6a9<\/p><\/li><li><p>\ub458 \ub2e4 \ub3d9\uc77c\ud55c \uc18d\ub3c4 \ud45c\uc900\uc744 \uc0ac\uc6a9<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/sfp-wavelengths-850nm-1310nm-1550nm-guide\/\">\ud30c\uc7a5<\/a> \uc815\ud655\ud788 \uc77c\uce58<\/p><\/li><li><p>\ub808\uc774\uc800 \uc720\ud615\uc774 \ub808\uc774\uc800 \uc2a4\ud399\uacfc \uc77c\uce58<\/p><\/li><li><p>FEC \uc124\uc815\uc744 \uc77c\uce58<\/p><\/li><li><p>\uc5c5\ub370\uc774\ud2b8\ub41c \uc18c\ud504\ud2b8\uc6e8\uc5b4\ub97c \uc0ac\uc6a9<\/p><\/li><li><p>RJ45 SFP \uc804\ub825 \uc694\uad6c\uac00 \uc9c0\uc6d0\ub428<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc8fc\uc694 \uc694\uc57d<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>SFP \ud638\ud658\uc131 \ubb38\uc81c\ub294 \ub9c1\ud06c \uc2e4\ud328\uc758 \uac00\uc7a5 \ud754\ud55c \uc6d0\uc778.<\/p><\/li><li><p>\ube0c\ub79c\ub4dc \ucf54\ub4dc, \uc18d\ub3c4 \ubd88\uc77c\uce58, FEC \uc124\uc815\uc774 \ub9c1\ud06c\ub97c \ub04a\ub294 \ub370 \uc790\uc8fc \ub3c4\uc6c0.<\/p><\/li><li><p>RJ45 SFP \ubaa8\ub4c8\uc740 \ucd94\uac00\uc801\uc778 \ud638\ud658\uc131 \uc704\ud5d8\uc744 \uc77c\uc73c\ud0ac \uc218 \uc788\uc74c.<\/p><\/li><li><p>\ub808\uc774\uc800 \uc720\ud615, \ub808\uc774\uc800 \uc720\ud615, Ethernet \ud45c\uc900\uc744 \uc815\ud655\ud788 \uc77c\uce58\uc2dc\ucf1c \uc548\uc815\uc801\uc778 \uc6b4\uc601\uc744 \ubcf4\uc7a5\ud568.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udfe0 SFP \ub9c1\ud06c \ubb38\uc81c \ud574\uacb0 \ub2e8\uacc4\ubcc4\ub85c \ud574\uacb0\ud558\uae30<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \ub9c1\ud06c \ubb38\uc81c\ub97c \uac00\uc7a5 \ube60\ub974\uac8c \ud574\uacb0\ud558\ub294 \ubc29\ubc95\uc740 \uacc4\uce35\ubcc4\ub85c \ubb38\uc81c\ub97c \uc2dd\ubcc4\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \ubb3c\ub9ac\uc801 \uc5f0\uacb0\uc744 \ud655\uc778\ud55c \ud6c4 \ubaa8\ub4c8 \ud638\ud658\uc131, \ub808\uc774\uc800 \uc2e0\ud638 \ud488\uc9c8, \uc18d\ub3c4 \uc124\uc815, FEC \uc124\uc815\uc744 \ud655\uc778\ud569\ub2c8\ub2e4. \uae30\uc5c5 \ud658\uacbd\uc5d0\uc11c SFP \ub9c1\ud06c \uc2e4\ud328\ub294 \uad6c\uc870\ud654\ub41c \ubb38\uc81c \ud574\uacb0 \uacfc\uc815\uc744 \uc0ac\uc6a9\ud558\uba74 \uba87 \ubd84 \uc548\uc5d0 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubb34\uc791\uc704\ub85c \ud558\ub4dc\uc6e8\uc5b4\ub97c \uad50\uccb4\ud558\ub294 \ub300\uc2e0.<\/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\/b8c45d2e95fd4aaaa2b7b654375d86ac.jpg\" alt=\"Troubleshoot SFP Link Issues Step by Step\" class=\"wp-image-7297\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b8c45d2e95fd4aaaa2b7b654375d86ac.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b8c45d2e95fd4aaaa2b7b654375d86ac-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b8c45d2e95fd4aaaa2b7b654375d86ac-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b8c45d2e95fd4aaaa2b7b654375d86ac-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b8c45d2e95fd4aaaa2b7b654375d86ac-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >\uccb4\ud06c 1: \ubb3c\ub9ac\uc801 \uc5f0\uacb0 \ud655\uc778<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00\uc7a5 \uac04\ub2e8\ud55c \uc6d0\uc778\ubd80\ud130 \uc2dc\uc791\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud655\uc778\ud558\uc2ed\uc2dc\uc624:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>SFP \ubaa8\ub4c8\uc740 \uc644\uc804\ud788 \uc0bd\uc785\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li><li><p>\ub808\uc774\uc800 \ub610\ub294 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26454-dac-aoc-aec-cables.htm\">DAC \ucf00\uc774\ube14<\/a> \ub808\uc774\uc800\ub294 \uc548\uc815\uc801\uc73c\ub85c \uc5f0\uacb0\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li><li><p>\ud3ec\ud2b8 LED\uac00 \ud65c\uc131\ud654 \uc0c1\ud0dc\ub97c \ud45c\uc2dc\ud569\ub2c8\ub2e4.<\/p><\/li><li><p>\ucf00\uc774\ube14\uc774 \uace7\uac70\ub098 \uc190\uc0c1\uc774 \uc544\ub2d9\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uad11\uc12c\uc720 \ub9c1\ud06c\uc758 \uacbd\uc6b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>TX\uc640 RX\uac00 \uc815\ud655\ud788 \uc5f0\uacb0\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li><li><p>LC \ucee4\ub125\ud130\uc758 \uae68\ub057\ud568\uc744 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub808\uc774\uc800 \ucee4\ub125\ud130\uac00 \uac00\uc7a5 \uc624\ub798\ub41c \uc6d0\uc778\uc73c\ub85c CRC\/FCS \uc624\ub958 \ubc0f \ubd88\uc548\uc815 \ub9c1\ud06c\ub97c \uc77c\uc73c\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\uccb4\ud06c 2: SFP \ud638\ud658\uc131 \ud655\uc778<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2a4\uc704\uce58 \ub610\ub294 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/what-is-a-router-key-functions-types\/\">\ub77c\uc6b0\ud130<\/a> \uc124\uce58\ub41c \uc804\uc1a1\uae30\ub97c \uc9c0\uc6d0\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \ud638\ud658\uc131 \ubb38\uc81c\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc9c0\uc6d0\ub418\uc9c0 \uc54a\ub294 \ube0c\ub79c\ub4dc \ucf54\ub4dc<\/p><\/li><li><p>\uc798\ubabb\ub41c EEPROM \uc815\ubcf4<\/p><\/li><li><p>1G\uc640 10G(optics)\ub97c \uc798\ubabb\uc801\uc73c\ub85c \uc11e\uc74c<\/p><\/li><li><p>1G\uc640 10G \ub808\uc774\uc800\ub97c \ud63c\uc6a9<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e0\uc18d\ud55c \ud14c\uc2a4\ud2b8\ub294 \uc798 \uc54c\ub824\uc9c4 \ud638\ud658\uc131 \uc788\ub294 \ub808\uc774\uc800\ub97c \uad50\uccb4\ud558\uc5ec \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubbf8\ud06c\ub85c\uc815\uc758: SFP \ubaa8\ub4c8 \ub0b4\ubd80\uc758 EEPROM \uba54\ubaa8\ub9ac\uc5d0\uc11c \ube0c\ub79c\ub4dc\uc640 \uae30\ub2a5 \uc815\ubcf4\ub97c \uc800\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\uccb4\ud06c 3: \uc18d\ub3c4 \ubc0f \ub2e4\uc218 \uc124\uc815 \ud655\uc778<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9c1\ud06c \uc591\ucabd \ubaa8\ub450 \ud638\ud658 \uac00\ub2a5\ud55c Ethernet \uc124\uc815\uc744 \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud655\uc778\ud558\uc2ed\uc2dc\uc624:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub9c1\ud06c \uc18d\ub3c4\uac00 \uc77c\uce58<\/p><\/li><li><p>\uc624\ud1a0 \ub124\uace0\uc2dc\uc5d0\uc774\uc158 \uc124\uc815\uc774 \uc77c\uce58\ud568<\/p><\/li><li><p>\ud3ec\ud2b8 \ubaa8\ub4dc\uac00 \uc62c\ubc14\ub974\uac8c \uad6c\uc131\ub428<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \uc608\uc2dc:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476091.htm\">1G \uad11\ud559 \ubd80\ud488<\/a> 10G \uc804\uc6a9 \ud3ec\ud2b8\uc5d0 \uc0bd\uc785\ub428<\/p><\/li><li><p>\uac15\uc81c \uc18d\ub3c4 \ubd88\uc77c\uce58<\/p><\/li><li><p>\uc798\ubabb\ub41c \ube0c\ub808\uc774\ud06c\uc544\uc6c3 \uad6c\uc131<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >\ub2e8\uacc4 4: \uad11 \ucd9c\ub825 \uc218\uc900 \ud655\uc778<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd5c\uc2e0 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub294 DOM(\ub514\uc9c0\ud138 \uad11 \ubaa8\ub2c8\ud130\ub9c1)\uc744 \uc9c0\uc6d0\ud558\uc5ec \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \ub2e4\uc74c\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>TX \uad11 \ucd9c\ub825<\/p><\/li><li><p>RX \uad11 \ucd9c\ub825<\/p><\/li><li><p>\uc628\ub3c4<\/p><\/li><li><p>\uc804\uc555<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">RX \ucd9c\ub825\uc774 \ub108\ubb34 \ub0ae\uc740 \uacbd\uc6b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uad11\uc12c\uc720 \uac10\uc1e0\uac00 \uacfc\ub3c4\ud560 \uc218 \uc788\uc74c<\/p><\/li><li><p>\ucee4\ub125\ud130\uac00 \uc624\uc5fc\ub418\uc5c8\uc744 \uc218 \uc788\uc74c<\/p><\/li><li><p>\ucf00\uc774\ube14\uc774 \uc190\uc0c1\ub418\uc5c8\uc744 \uc218 \uc788\uc74c<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">RX \ucd9c\ub825\uc774 \ub108\ubb34 \ub192\uc740 \uacbd\uc6b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub2e8\uac70\ub9ac \ub2e8\ubaa8\ub4dc \ub9c1\ud06c\uc5d0\uc11c \uc218\uc2e0\uae30 \uc624\ubc84\ub85c\ub4dc\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc74c<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >\ub2e8\uacc4 5: FEC \uad6c\uc131 \ud655\uc778<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">25G \ubc0f 100G\uc640 \uac19\uc740 \uace0\uc18d \uc774\ub354\ub137 \ub9c1\ud06c\ub294 \uc885\uc885 \uc77c\uce58\ud558\ub294 FEC \uc124\uc815\uc744 \uc694\uad6c\ud568.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud55c\ucabd\uc5d0\uc11c RS-FEC\ub97c \uc0ac\uc6a9\ud558\uace0 \ub2e4\ub978 \ucabd\uc5d0\uc11c FEC\ub97c \ube44\ud65c\uc131\ud654\ud55c \uacbd\uc6b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub9c1\ud06c\uac00 \ub2e4\uc6b4\ub41c \uc0c1\ud0dc\ub85c \uc720\uc9c0\ub420 \uc218 \uc788\uc74c<\/p><\/li><li><p>\ud328\ud0b7 \uc624\ub958\uac00 \uc99d\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4<\/p><\/li><li><p>\ub9c1\ud06c \ud50c\ub798\ud551\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc74c<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub294 DAC \ubc0f \uace0\uc18d \uad11 \ub9c1\ud06c\uc5d0\uc11c \ud2b9\ud788 \ud754\ud568.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\ub2e8\uacc4 6: \uac80\uc99d\ub41c \uc591\ud638\ud55c \uad6c\uc131 \uc694\uc18c\ub85c \ud14c\uc2a4\ud2b8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ubb38\uc81c\uac00 \uc5ec\uc804\ud788 \ud574\uacb0\ub418\uc9c0 \uc54a\uc73c\uba74, \uad6c\uc131 \uc694\uc18c\ub97c \uac1c\ubcc4\uc801\uc73c\ub85c \uad50\uccb4\ud558\uc5ec \uacb0\ud568\uc744 \uaca9\ub9ac\ud568.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud14c\uc2a4\ud2b8 \ud56d\ubaa9:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub2e4\ub978 SFP \ubaa8\ub4c8<\/p><\/li><li><p>\ub2e4\ub978 \uad11\uc12c\uc720 \ucf00\uc774\ube14<\/p><\/li><li><p>\ub2e4\ub978 \uc2a4\uc704\uce58 \ud3ec\ud2b8<\/p><\/li><li><p>\ub2e4\ub978 \uc7a5\uce58<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ubc29\ubc95\uc740 \ub2e4\uc74c \uc911 \uc5b4\ub290 \uc6d0\uc778\uc73c\ub85c \uc778\ud574 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud588\ub294\uc9c0\ub97c \uc2e0\uc18d\ud788 \uc2dd\ubcc4\ud568:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uad11\ud559 \ubaa8\ub4c8<\/p><\/li><li><p>\ucf00\uc774\ube14<\/p><\/li><li><p>\uc2a4\uc704\uce58 \ud558\ub4dc\uc6e8\uc5b4<\/p><\/li><li><p>\uad6c\uc131<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >\ube60\ub978 SFP \ubb38\uc81c \ud574\uacb0 \uccb4\ud06c\ub9ac\uc2a4\ud2b8<\/h3>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 309px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"309\"><p>\uc810\uac80 \ud56d\ubaa9<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\ubaa9\uc801<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"309\"><p>\ubaa8\ub4c8 \uc0bd\uc785 \ud655\uc778<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ubb3c\ub9ac\uc801 \uc5f0\uacb0 \ud655\uc778<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"309\"><p>\uad11\uc12c\uc720 \uadf9\uc131 \ud655\uc778<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>TX\/RX \uc815\ub82c \ud655\uc778<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"309\"><p>LC \ucee4\ub125\ud130\ub97c \uccad\uc18c\ud558\uc138\uc694<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uad11\ud559 \uc624\uc5fc \uc81c\uac70<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"309\"><p>\ud638\ud658\uc131 \ud655\uc778<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ubca4\ub354 \uc7a0\uae08 \ubb38\uc81c \ubc29\uc9c0<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"309\"><p>\uc18d\ub3c4\/FEC \uc124\uc815 \uc77c\uce58<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud611\uc0c1 \uc2e4\ud328 \ubc29\uc9c0<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"309\"><p>DOM \uce21\uc815\uac12 \uac80\ud1a0<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc2e0\ud638 \ud488\uc9c8 \uac80\uc99d<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"309\"><p>\uac80\uc99d\ub41c \uc591\ud638\ud55c \uad11\ud559 \ubaa8\ub4c8 \uad50\uccb4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud558\ub4dc\uc6e8\uc5b4 \uacb0\ud568 \uaca9\ub9ac<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc8fc\uc694 \uc694\uc57d<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub300\ubd80\ubd84\uc758 SFP \ub9c1\ud06c \ubb38\uc81c\ub294 \uad6c\uc870\ud654\ub41c \ubb3c\ub9ac \uacc4\uce35 \ubb38\uc81c \ud574\uacb0\uc744 \ud1b5\ud574 \ud574\uacb0\ud560 \uc218 \uc788\uc74c.<\/p><\/li><li><p>\ud638\ud658\uc131, \uad11\uc12c\uc720 \uadf9\uc131, \uad11 \uc2e0\ud638 \ud488\uc9c8\uc774 \uac00\uc7a5 \uc911\uc694\ud55c \uc810\uac80 \uc0ac\ud56d\uc784.<\/p><\/li><li><p>DOM \uce21\uc815\uac12\uc740 \uc720\uc6a9\ud55c \uc2e4\uc2dc\uac04 \uc9c4\ub2e8 \uc815\ubcf4\ub97c \uc81c\uacf5\ud568.<\/p><\/li><li><p>\uad6c\uc131 \uc694\uc18c\ub97c \ubb34\uc791\uc704\ub85c \uad50\uccb4\ud558\ub294 \uac83\ubcf4\ub2e4 \uccb4\uacc4\uc801\uc778 \uaca9\ub9ac \ud14c\uc2a4\ud2b8\uac00 \ub354 \ube60\ub984.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udfe0 \ub9c1\ud06c \ud50c\ub798\ud551 \ubc0f \uac04\ud5d0\uc801 \uc624\ub958\ub97c \ubc29\uc9c0\ud558\ub824\uba74 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud558\ub098\uc694?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \ub9c1\ud06c \ud50c\ub798\ud551 \ubc0f \uac04\ud5d0\uc801\uc778 \ub124\ud2b8\uc6cc\ud06c \uc624\ub958\ub97c \ubc29\uc9c0\ud558\ub824\uba74 \ubb3c\ub9ac \uacc4\uce35\uc758 \uc548\uc815\uc131\uc744 \uc6b0\uc120\uc801\uc73c\ub85c \ud655\ubcf4\ud574\uc57c \ud569\ub2c8\ub2e4. \uac00\uc7a5 \ud6a8\uacfc\uc801\uc778 \ubc29\ubc95\uc73c\ub85c\ub294 \ud638\ud658 \uac00\ub2a5\ud55c \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \uc0ac\uc6a9, \uad11\uc12c\uc720 \uc5f0\uacb0\ubd80\uc758 \uccad\uacb0 \uc720\uc9c0, FEC \ubc0f \uc18d\ub3c4 \uc124\uc815 \uc77c\uce58, DOM(Digital Optical Monitoring) \uad11 \ucd9c\ub825 \uc218\uc900 \ubaa8\ub2c8\ud130\ub9c1, \uc800\ud488\uc9c8 \ucf00\uc774\ube14 \ub610\ub294 \uacfc\uc5f4\ub41c RJ45 SFP \ubaa8\ub4c8 \uc0ac\uc6a9 \uae08\uc9c0 \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 \uc5d4\ud130\ud504\ub77c\uc774\uc988 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \ubd88\uc548\uc815\ud55c SFP \ub9c1\ud06c\ub294 \uc2a4\uc704\uce6d \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uc790\uccb4\ubcf4\ub2e4\ub294 \uc2e0\ud638 \ubb34\uacb0\uc131 \ubb38\uc81c\ub85c \uc778\ud574 \ubc1c\uc0dd\ud569\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\/06d14e75491341429977f44d6a98e1d4.jpg\" alt=\" How Do You Prevent Link Flapping and Intermittent Errors?\" class=\"wp-image-7298\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/06d14e75491341429977f44d6a98e1d4.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/06d14e75491341429977f44d6a98e1d4-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/06d14e75491341429977f44d6a98e1d4-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/06d14e75491341429977f44d6a98e1d4-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/06d14e75491341429977f44d6a98e1d4-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >\ub9c1\ud06c \ud50c\ub798\ud551\uc774\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9c1\ud06c \ud50c\ub798\ud551\uc740 SFP \uc5f0\uacb0\uc774 \ub2e4\uc74c \uc0c1\ud0dc \uc0ac\uc774\ub97c \ubc18\ubcf5\uc801\uc73c\ub85c \uc804\ud658\ud560 \ub54c \ubc1c\uc0dd\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub9c1\ud06c \uc5c5<\/p><\/li><li><p>\ub9c1\ud06c \ub2e4\uc6b4<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \ubd88\uc548\uc815\uc131\uc740 \uba87 \ucd08 \uc774\ub0b4\uc5d0 \ubc1c\uc0dd\ud558\uac70\ub098 \ud558\ub8e8 \uc885\uc77c \uac04\ud5d0\uc801\uc73c\ub85c \ubc1c\uc0dd\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>\ubb34\uc791\uc704 \uc5f0\uacb0 \ub04a\uae40<\/p><\/li><li><p>\ud328\ud0b7 \uc190\uc2e4<\/p><\/li><li><p>CRC\/FCS \uc624\ub958<\/p><\/li><li><p>\ub290\ub9b0 \ub124\ud2b8\uc6cc\ud06c \uc131\ub2a5<\/p><\/li><li><p>STP \uc7ac\uacc4\uc0b0 \uc774\ubca4\ud2b8<\/p><\/li><li><p>\uc2a4\ud1a0\ub9ac\uc9c0 \ub610\ub294 VM \ub9c8\uc774\uadf8\ub808\uc774\uc158 \uc2e4\ud328<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5d0\uc11c <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/what-is-a-data-center\/\">\ub370\uc774\ud130 \uc13c\ud130<\/a>, \uc2ec\uc9c0\uc5b4 \uc9e7\uc740 \ub9c1\ud06c \uc911\ub2e8\uc870\ucc28 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc548\uc815\uc131 \ubc0f \uc9c0\uc5f0 \ubbfc\uac10 \uc6cc\ud06c\ub85c\ub4dc\uc5d0 \uc601\ud5a5\uc744 \uc904 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\uace0\ud488\uc9c8 \ud638\ud658 SFP \ubaa8\ub4c8 \uc0ac\uc6a9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc800\ud488\uc9c8 \ub610\ub294 \uc798\ubabb \ucf54\ub529\ub41c \uad11\ud559 \uc7a5\uce58\ub294 \ub9c1\ud06c \ubd88\uc548\uc815\uc758 \uc8fc\uc694 \uc6d0\uc778 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd5c\uc120\uc758 \uad00\ud589:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc81c\uc870\uc0ac\uc640 \ud638\ud658\ub418\ub294 \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \uc0ac\uc6a9<\/p><\/li><li><p>\uc778\uc99d\ub418\uc9c0 \uc54a\uc740 \uc800\uac00\ud615 \uad11\ud559 \uc7a5\uce58 \uc0ac\uc6a9 \uae08\uc9c0<\/p><\/li><li><p>\uc62c\ubc14\ub978 \uc774\ub354\ub137 \ud45c\uc900\uacfc \uc77c\uce58\uc2dc\ud0b4<\/p><\/li><li><p>\uc2a4\uc704\uce58 \ud638\ud658\uc131 \ubaa9\ub85d \ud655\uc778<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub294 \ud2b9\ud788 \ub2e4\uc74c \uacbd\uc6b0\uc5d0 \uc911\uc694\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>10G\/25G \uc5c5\ub9c1\ud06c<\/p><\/li><li><p>\uc5d4\ud130\ud504\ub77c\uc774\uc988 \uc2a4\uc704\uce58<\/p><\/li><li><p>\uc778\ud154 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/what-is-nic-network-interface-card\/\">NIC<\/a> \ud658\uacbd<\/p><\/li><li><p>RJ45 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476771.htm\">\uad6c\ub9ac SFP \ubaa8\ub4c8<\/a><\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >Keep Fiber Connectors Clean<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uad11\ud559 \uc624\uc5fc\uc740 \uac04\ud5d0\uc801\uc778 \uc2e0\ud638 \uc190\uc2e4\uc758 \uc8fc\uc694 \uc6d0\uc778\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubbf8\uc138\ud55c \uba3c\uc9c0\uc870\ucc28\ub3c4 \ub2e4\uc74c\uc744 \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uac10\uc1e0 \uc99d\uac00<\/p><\/li><li><p>\uc2e0\ud638 \ubc18\uc0ac<\/p><\/li><li><p>CRC\/FCS \uc624\ub958<\/p><\/li><li><p>\ub9c1\ud06c \ubd88\uc548\uc815\uc131<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd5c\uc120\uc758 \uad00\ud589:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc124\uce58 \uc804 LC \ucee4\ub125\ud130 \uccad\uc18c<\/p><\/li><li><p>\ud3ec\ud2b8 \ubbf8\uc0ac\uc6a9 \uc2dc \uba3c\uc9c0 \ucea1 \uc0ac\uc6a9<\/p><\/li><li><p>\uad11\uc12c\uc720 \ub9d0\ub2e8 \uba74\uc744 \uc9c1\uc811 \ub9cc\uc9c0\uc9c0 \uc54a\uc74c<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9c8\uc774\ud06c\ub85c \uc815\uc758: <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/attenuation-in-optical-transceiver-management-and-solutions\/\">\uac10\uc1c4\ub7c9<\/a> \uc804\uc1a1 \uc911 \uad11 \uc2e0\ud638 \uac15\ub3c4\uac00 \uc810\uc9c4\uc801\uc73c\ub85c \uac10\uc18c\ud558\ub294 \ud604\uc0c1\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Monitor Optical Power with DOM<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DOM(Digital Optical Monitoring)\uc740 \uc644\uc804\ud55c \uace0\uc7a5 \ubc1c\uc0dd \uc804 \uc2e0\ud638 \uc5f4\ud654\ub97c \ud0d0\uc9c0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc744 \uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uacbd\uace0 \uc2e0\ud638:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>RX \uc804\ub825\uc774 \ucd5c\uc18c \uc784\uacc4\uac12 \uadfc\ucc98\uc5d0 \uc788\uc74c<\/p><\/li><li><p>\uae09\uaca9\ud55c \uad11\ud559 \ubcc0\ub3d9<\/p><\/li><li><p>\ube44\uc815\uc0c1\uc801\uc73c\ub85c \ub192\uc740 \ubaa8\ub4c8 \uc628\ub3c4<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0ac\uc804\uc801 DOM \ubaa8\ub2c8\ud130\ub9c1\uc740 \ud604\uc7ac \uc5d4\ud130\ud504\ub77c\uc774\uc988 \ubc0f AI \ub370\uc774\ud130\uc13c\ud130 \ud658\uacbd\uc5d0\uc11c \ud45c\uc900 \uad00\ud589\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Match Speed and FEC Settings<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ube60\ub978 Ethernet \ub9c1\ud06c\ub294 \uc77c\uad00\ub41c \ubb3c\ub9ac \ub808\uc774\uc5b4 \uad6c\uc131\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubd88\uc548\uc815\uc131\uc758 \uc77c\ubc18\uc801\uc778 \uc6d0\uc778:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc18d\ub3c4 \ubd88\uc77c\uce58<\/p><\/li><li><p>\uc9c0\uc6d0\ub418\uc9c0 \uc54a\ub294 \uc790\ub3d9\ub124\uc624\ud0c0\uc774\uc158<\/p><\/li><li><p>RS-FEC \ubd88\uc77c\uce58<\/p><\/li><li><p>\uc798\ubabb\ub41c \ube0c\ub808\uc774\ud06c\uc544\uc6c3 \uad6c\uc131<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">25G, 40G, 100G Ethernet \ub9c1\ud06c\ub294 FEC \ubd88\uc77c\uce58\uc5d0 \ud2b9\ud788 \ubbfc\uac10\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\ud48d\ubd80\ud558\uc9c0 \uc54a\uc740 \ucf00\uc774\ube14 \uad00\ub9ac<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ubb3c\ub9ac\uc801 \ucf00\uc774\ube14\uc758 \uc555\ubc15\uc740 \uc2dc\uac04\uc774 \uc9c0\ub0a8\uc5d0 \ub530\ub77c \uad11\ud559 \uc131\ub2a5\uc744 \uc190\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud53c\ud574\uc57c \ud560 \uc0ac\ud56d:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc587\uc740 \ube5b\uc758 \uace1\ub960<\/p><\/li><li><p>\uacfc\ub3c4\ud55c \uc555\ubc15 \ud798<\/p><\/li><li><p>\uc5f4\uc774 \ub09c \ucf00\uc774\ube14 \ube0c\ub7ec\uc2dc<\/p><\/li><li><p>\uc800\ud488\uc9c8 DAC \ubd80\ud488<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc7a5\uae30\uc801\uc778 \uc548\uc815\uc131\uc744 \uc704\ud574:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ucd5c\uc18c\ud55c\uc758 \uace1\ub960 \ubc18\uacbd \uc9c0\uce68\uc744 \uc900\uc218\ud569\ub2c8\ub2e4.<\/p><\/li><li><p>\uc801\uc808\ud55c \ucf00\uc774\ube14 \ub77c\ubca8\ub9c1\uacfc \ubc30\uce58\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p><\/li><li><p>\uac00\ub2a5\ud55c \ud55c \uc804\ub958\uc640 \ube5b\uc758 \uacbd\ub85c\ub97c \ubd84\ub9ac\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >RJ45 SFP \uc5f4 \ubb38\uc81c\ub97c \uc8fc\uc758 \uae4a\uac8c \uad00\ucc30\ud558\uc138\uc694.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">RJ45 \ucf54\uc5b4 SFP \ubaa8\ub4c8\uc740 \uad11\ud559 \uc804\uc1a1\uae30\uc640 \ube44\uad50\ud574 \ub354 \ub9ce\uc740 \uc804\ub825 \uc18c\ubaa8\ub97c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uacfc\ub3c4\ud55c \uc5f4\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \ubb38\uc81c\ub97c \uc77c\uc73c\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/what-is-phy-physical-layer-basics-explained\/\">PHY<\/a> \ubd88\uc548\uc815\uc131<\/p><\/li><li><p>\ub9c1\ud06c \ub9ac\uc14b<\/p><\/li><li><p>\ud328\ud0b7 \uc190\uc0c1<\/p><\/li><li><p>\ubb34\uc791\uc704 \uc5f0\uacb0 \ub04a\uae40<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd5c\uc120\uc758 \uad00\ud589:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc801\uc808\ud55c \uc2a4\uc704\uce58 \uacf5\uae30 \ud750\ub984\uc744 \uc720\uc9c0\ud558\uc138\uc694.<\/p><\/li><li><p>\uc778\uc811\ud55c \uace0\uc5f4 \ud3ec\ud2b8\uac00 \ubaa8\ub450 \ucc44\uc6b0\uc9c0 \ub9c8\uc138\uc694.<\/p><\/li><li><p>\uac00\ub2a5\ud55c \ud55c \uc9c0\uc18d\uc801\uc778 \ub192\uc740 Bandwidth \ubc30\ud3ec\ub97c \uc704\ud574 \uad11\ud559 \ub9c1\ud06c\ub97c \uc0ac\uc6a9\ud558\uc138\uc694.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >\uc608\ubc29 \uc720\uc9c0\ubcf4\uc218 \uc810\uac80\ub9ac\uc2a4\ud2b8<\/h3>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 299px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"299\"><p>\ubaa8\ubc94 \uc0ac\ub840<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc774\uc810<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"299\"><p>\uc77c\uad00\ub41c \uad11\ud559 \ubd80\ud488\uc744 \uc0ac\uc6a9\ud558\uc138\uc694.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud611\uc0c1 \uc2e4\ud328 \ubc29\uc9c0<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"299\"><p>LC \ucee4\ub125\ud130\ub97c \uccad\uc18c\ud558\uc138\uc694<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uad11\ud559 \uc190\uc2e4\uc744 \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"299\"><p>DOM \uac12\uc758 \ubaa8\ub2c8\ud130\ub9c1<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc804\uae30\uc801 \uc624\ub958\ub97c \uc0ac\uc804\uc5d0 \uac10\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"299\"><p>FEC \uc124\uc815\uc744 \ub9de\ucd94\uc138\uc694.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ube60\ub978 \uc18d\ub3c4 \uc548\uc815\uc131\uc744 \ud5a5\uc0c1\uc2dc\ucf1c \uc90d\ub2c8\ub2e4.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"299\"><p>\ud488\uc9c8 \uc788\ub294 \ucf00\uc774\ube14\uc744 \uc0ac\uc6a9\ud558\uc138\uc694.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uac04\ud5d0\uc801\uc778 \uc624\ub958\ub97c \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"299\"><p>\uc804\uc1a1\uae30\uc758 \uc5f4\uc744 \uc81c\uc5b4\ud558\uc138\uc694.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ubb34\uc791\uc704 \ub9ac\uc14b\uc744 \ubc29\uc9c0\ud558\uc138\uc694.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc8fc\uc694 \uc694\uc57d<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub9c1\ud06c \ub7ad\ud0b9\uc774 \uc8fc\ub85c \ubb3c\ub9ac \ub808\uc774\uc5b4 \ubd88\uc548\uc815\uc131\uc73c\ub85c \uc778\ud574 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p><\/li><li><p>\ubd88\uacb0\ud55c \ucee4\ub125\ud130, \uc800\ud488\uc9c8 \uad11\ud559 \ubc0f FEC \ubd88\uc77c\uce58\ub294 \uc8fc\uc694 \uc6d0\uc778\uc785\ub2c8\ub2e4.<\/p><\/li><li><p>DOM \ubaa8\ub2c8\ud130\ub9c1\uc740 \uc644\uc804\ud55c \ub9c1\ud06c \uc2e4\ud328\uac00 \ubc1c\uc0dd\ud558\uae30 \uc804\uc5d0 \ubb38\uc81c\ub97c \uc2dd\ubcc4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li><li><p>\uc801\uc808\ud55c \ucf00\uc774\ube14 \uad00\ub9ac\uc640 \uc5f4 \uc81c\uc5b4\ub294 \uc7a5\uae30\uc801\uc778 SFP \uc2e0\ub8b0\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udfe0 \uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38: \uc77c\ubc18\uc801\uc778 SFP \ub9c1\ud06c \uad00\ub828 \uc9c8\ubb38<\/h2>\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\/2b929ae039f74c42a631f507e1ba33cf.jpg\" alt=\"FAQ: Common SFP Link Questions\" class=\"wp-image-7299\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2b929ae039f74c42a631f507e1ba33cf.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2b929ae039f74c42a631f507e1ba33cf-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2b929ae039f74c42a631f507e1ba33cf-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2b929ae039f74c42a631f507e1ba33cf-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2b929ae039f74c42a631f507e1ba33cf-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >Q1: \uc5b4\ub5a4 SFP \ubaa8\ub4c8\ub3c4 \uc5b4\ub5a4 \uc2a4\uc704\uce58\uc5d0\ub4e0 \uc791\ub3d9\ud560 \uc218 \uc788\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc544\ub2c8\uc694. SFP \ubaa8\ub4c8\uc740 \uc0b0\uc5c5 \ud45c\uc900\uc744 \ub530\ub974\uc9c0\ub9cc, \ub9ce\uc740 \uc2a4\uc704\uce58\ub294 EEPROM \ucf54\ub4dc\ub97c \ud1b5\ud574 \uc81c\uc870\uc0ac \uc77c\uce58\uc131\uc744 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uba87\uba87 \uc2a4\uc704\uce58\ub294 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/475829.htm\">\uc81c3\uc790 \uad11\ud559 \uc7a5\uce58\uc5d0 \ub300\ud574<\/a>, \ub2e4\ub978 \uc2a4\uc704\uce58\ub294<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc9c0\uc6d0\ud558\uc9c0 \uc54a\ub294 \ubaa8\ub4c8\uc744 \ube44\ud65c\uc131\ud654\ud569\ub2c8\ub2e4.<\/p><\/li><li><p>\uc77c\uce58\uc131 \uacbd\uace0\ub97c \ud45c\uc2dc\ud569\ub2c8\ub2e4.<\/p><\/li><li><p>DOM \uae30\ub2a5\uc744 \uc81c\ud55c\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc30\ud3ec \uc804\uc5d0 \uc2a4\uc704\uce58 \uc77c\uce58\ub9ac\uc2a4\ud2b8\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Q2: SFP \ub9c1\ud06c LED\uac00 \uaebc\uc838 \uc788\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \ub9c1\ud06c LED\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uaebc\uc838 \uc788\ub294 \uc774\uc720\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ubaa8\ub4c8\uc774 \uc9c0\uc6d0\ub418\uc9c0 \uc54a\ub294 \uacbd\uc6b0<\/p><\/li><li><p>\ube5b\uc758 polarity\uac00 \ubc18\ub300\uc77c \uacbd\uc6b0<\/p><\/li><li><p>\uad11 \uc2e0\ud638\uac00 \ubd80\uc871\uc77c \uacbd\uc6b0<\/p><\/li><li><p>\uc18d\ub3c4 \uc124\uc815\uc774 \uc77c\uce58\ud558\uc9c0 \uc54a\uc744 \uacbd\uc6b0<\/p><\/li><li><p>\ucf00\uc774\ube14 \ub610\ub294 \ucee4\ub125\ud130\uac00 \uc190\uc0c1\ub428<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ubb3c\ub9ac \uacc4\uce35 \ubb38\uc81c\ub294 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \ubb38\uc81c\ubcf4\ub2e4 \ud6e8\uc52c \ub354 \ud754\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Q3: \uc11c\ub85c \ub2e4\ub978 \ube0c\ub79c\ub4dc\uc758 SFP\ub97c \ud63c\uc6a9\ud560 \uc218 \uc788\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608, \ub9ce\uc740 \uacbd\uc6b0\uc5d0 \uadf8\ub807\uc2b5\ub2c8\ub2e4. \uc11c\ub85c \ub2e4\ub978 \ube0c\ub79c\ub4dc\uc758 SFP \ubaa8\ub4c8\uc774 \ud568\uaed8 \uc791\ub3d9\ud560 \uc218 \uc788\ub294 \uc870\uac74\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc18d\ub3c4\uac00 \uc77c\uce58\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p><\/li><li><p>\ud30c\uc7a5\uc774 \uc77c\uce58\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p><\/li><li><p>\uc774\ub354\ub137 \ud45c\uc900\uc774 \uc77c\uce58\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p><\/li><li><p>\uc2a4\uc704\uce58\uac00 \ud0c0\uc0ac \uad11\ud559 \uc7a5\uce58\ub97c \ud5c8\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub7ec\ub098 \ubca4\ub354\uc758 \ud638\ud658\uc131 \uc81c\ud55c\uc73c\ub85c \uc778\ud574 \uc5ec\uc804\ud788 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Q4: SFP\uc640 SFP+\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/h3>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 269px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"269\"><p>\uc720\ud615<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc77c\ubc18\uc801\uc778 \uc18d\ub3c4<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"269\"><p>SFP<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1GbE<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"269\"><p>SFP+<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10GbE<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">SFP+\ub294 \ub354 \ub192\uc740 \ub300\uc5ed\ud3ed\uacfc \ub354 \uc5c4\uaca9\ud55c \uc2e0\ud638 \uc694\uad6c \uc0ac\ud56d\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4. \uc678\ud615\uc740 \uc720\uc0ac\ud558\uc9c0\ub9cc, \ubaa8\ub4e0 \ud3ec\ud2b8\uac00 \ud558\uc704 \ud638\ud658\uc131\uc744 \uc9c0\uc6d0\ud558\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Q5: \uc65c \ub0b4 SFP \ub9c1\ud06c\uac00 \uacc4\uc18d \ud50c\ub798\ud551(flapping)\ud558\ub098\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \uc6d0\uc778\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc624\uc5fc\ub41c \uad11\uc12c\uc720 \ucee4\ub125\ud130<\/p><\/li><li><p>\uad11 \ucd9c\ub825 \uc804\ub825\uc774 \uc57d\ud568<\/p><\/li><li><p>FEC \ubd88\uc77c\uce58<\/p><\/li><li><p>\ud488\uc9c8\uc774 \ub0ae\uc740 DAC \ucf00\uc774\ube14<\/p><\/li><li><p>\uacfc\uc5f4\ub41c RJ45 SFP \ubaa8\ub4c8<\/p><\/li><li><p>\ubd88\uc548\uc815\ud55c \ubb3c\ub9ac\uc801 \uc5f0\uacb0<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9c1\ud06c \ud50c\ub798\ud551(link flapping)\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ubb3c\ub9ac \uacc4\uce35\uc5d0\uc11c \uc2e0\ud638 \ubd88\uc548\uc815\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Q6: SFP \ub9c1\ud06c\uc758 \ucd5c\ub300 \uc804\uc1a1 \uac70\ub9ac\ub294 \uc5bc\ub9c8\uc785\ub2c8\uae4c?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd5c\ub300 \uac70\ub9ac\ub294 \ub2e4\uc74c \uc694\uc18c\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uad11\uc12c\uc720 \uc720\ud615<\/p><\/li><li><p>\uad11 \ud30c\uc7a5<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/sfp-plus-mas-specification-10g-sfp-guide\/\">\ud2b8\ub79c\uc2a4\uc2dc\ubc84 \uc0ac\uc591<\/a><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \uc608\uc2dc:<\/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>\ud45c\uc900<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uad11\uc12c\uc720 \uc720\ud615<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uac70\ub9ac<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>10GBASE-SR<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub2e4\uc911\ubaa8\ub4dc(Multimode)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ucd5c\ub300 300m<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>10GBASE-LR<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud83d\udc49 \uc804\uccb4 \ubc94\uc704\ub97c \uc6d0\ud558\uc2dc\uba74 LINK-PP 10G SFP+ \uceec\ub809\uc158\uc744 \ud0d0\uc0c9\ud574 \ubcf4\uc138\uc694.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud45c\uc900 \ub2e8\uc77c\ubaa8\ub4dc \uad11\uc12c\uc720(SMF)\uc5d0\uc11c \ucd5c\ub300 10km<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uba54\ud2b8\ub85c \ubc0f \ud1b5\uc2e0\ub9dd\uc744 \uc704\ud55c \uc7a5\uac70\ub9ac \uad11\ud559 \ubaa8\ub4c8\ub3c4 \ubcc4\ub3c4\ub85c \uc81c\uacf5\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Q7: RJ45 SFP \ubaa8\ub4c8\uc740 \uc2e0\ub8b0\ud560 \uc218 \uc788\uc2b5\ub2c8\uae4c?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">RJ45 SFP \ubaa8\ub4c8\uc740 \ud2b9\ud788 \uc18c\ud615 \ubc0f \uc911\uac04 \uaddc\ubaa8(SMB) \ud658\uacbd\uc5d0\uc11c \ub2e8\uac70\ub9ac \uad6c\ub9ac \ubc30\uc120\uc5d0 \uc798 \uc791\ub3d9\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uad11\ud559 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\uc640 \ube44\uad50\ud560 \ub54c \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uacfc \uac19\uc740 \ud2b9\uc9d5\uc774 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub354 \ub9ce\uc740 \uc5f4\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4<\/p><\/li><li><p>\ub354 \ub9ce\uc740 \uc804\ub825\uc744 \uc18c\ubaa8\ud569\ub2c8\ub2e4<\/p><\/li><li><p>\ud638\ud658\uc131 \uc694\uad6c \uc0ac\ud56d\uc774 \ub354 \uc5c4\uaca9\ud568<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uace0\ubc00\ub3c4 \ub610\ub294 \uc7a5\uae30 \uace0\ub300\uc5ed\ud3ed \ud658\uacbd\uc5d0\uc11c\ub294 \uad11\uc12c\uc720\uac00 \uc77c\ubc18\uc801\uc73c\ub85c \ub354 \uc548\uc815\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Q8: SFP \ubaa8\ub4c8\uc758 DOM\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DOM\uc740 \ub2e4\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4: <strong>\ub514\uc9c0\ud138 \uad11\ud559 \ubaa8\ub2c8\ud130\ub9c1(Digital Optical Monitoring)<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \ub2e4\uc74c \uc0ac\ud56d\uc744 \ubaa8\ub2c8\ud130\ub9c1\ud560 \uc218 \uc788\ub3c4\ub85d \ud574 \uc90d\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>TX \uad11 \ucd9c\ub825<\/p><\/li><li><p>RX \uad11 \ucd9c\ub825<\/p><\/li><li><p>\uc628\ub3c4<\/p><\/li><li><p>\uc804\uc555<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">DOM \ub370\uc774\ud130\ub294 \uc644\uc804\ud55c \uc7a5\uc560 \ubc1c\uc0dd \uc774\uc804\uc5d0 \uac04\ud5d0\uc801\uc778 SFP \ub9c1\ud06c \ubb38\uc81c\ub97c \uc9c4\ub2e8\ud558\ub294 \ub370 \ub9e4\uc6b0 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udfe0 \uacb0\ub860: SFP \ub9c1\ud06c\ub97c \uac00\uc7a5 \ube60\ub974\uac8c \uc548\uc815\ud654\ud558\ub294 \ubc29\ubc95<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \ub9c1\ud06c\ub97c \uc548\uc815\ud654\ud558\ub294 \uac00\uc7a5 \ube60\ub978 \ubc29\ubc95\uc740 \uba3c\uc800 \ubb3c\ub9ac \uacc4\uce35\uc5d0 \uc9d1\uc911\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 \uc2e4\uc81c \ubc30\ud3ec \ud658\uacbd\uc5d0\uc11c \ub9c1\ud06c \ubd88\uc548\uc815\uc740 \uc0c1\uc704 \uacc4\uce35 \ub124\ud2b8\uc6cc\ud06c \ud504\ub85c\ud1a0\ucf5c\ubcf4\ub2e4\ub294 \ud638\ud658\uc131 \ubd88\uc77c\uce58, \uc798\ubabb\ub41c \uad11\uc12c\uc720 \uc5f0\uacb0, \uc5f4\uc545\ud55c \uad11\uc2e0\ud638 \ud488\uc9c8 \ub610\ub294 \uc800\ud488\uc9c8 \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub85c \uc778\ud574 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uccb4\uacc4\uc801\uc778 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/sfp-troubleshooting-quick-checklist\/\">\ubb38\uc81c \ud574\uacb0<\/a> \uc808\ucc28\uc640 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uad11\ud559 \ubd80\ud488\uc744 \uacb0\ud569\ud558\ub294 \uac83\uc774 \uc7a5\uae30\uc801\uc73c\ub85c \uac00\uc7a5 \ud6a8\uacfc\uc801\uc778 \ud574\uacb0\ucc45\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\/41d8d86f01ca4e0a91d918d837e7bffa.jpg\" alt=\"The Fastest Way to Stabilize an SFP Link\" class=\"wp-image-7300\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/41d8d86f01ca4e0a91d918d837e7bffa.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/41d8d86f01ca4e0a91d918d837e7bffa-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/41d8d86f01ca4e0a91d918d837e7bffa-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/41d8d86f01ca4e0a91d918d837e7bffa-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/41d8d86f01ca4e0a91d918d837e7bffa-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >\uc774 \uac00\uc774\ub4dc\uc5d0\uc11c \uc124\uba85\ud558\ub294 SFP \ub9c1\ud06c \ubb38\uc81c\uc5d0 \ub300\ud55c \ub0b4\uc6a9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uac00\uc774\ub4dc \uc804\uccb4\ub97c \ubcf4\uba74 \ubc18\ubcf5\ub418\ub294 \ud328\ud134\uc774 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\ub300\ubd80\ubd84\uc758 SFP \ub9c1\ud06c \uc2e4\ud328\ub294 \uc608\ubc29\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\ubb38\uc81c\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub9c1\ud06c \ub2e4\uc6b4<\/p><\/li><li><p>\ub9c1\ud06c \ud50c\ub798\ud551<\/p><\/li><li><p>CRC\/FCS \uc624\ub958<\/p><\/li><li><p>\ud328\ud0b7 \uc190\uc2e4<\/p><\/li><li><p>\uad11\ud559 \ubd88\uc548\uc815\uc131<\/p><\/li><li><p>RJ45 SFP \uc5f4\uc911\uc131<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ubb38\uc81c\u7684\u6839\u672c \uc6d0\uc778\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ubb3c\ub9ac \ub808\uc774\uc5b4 \uc2e0\ud638 \ubb38\uc81c<\/p><\/li><li><p>\ubd80\uc801\ud569\ud55c \ubaa8\ub4c8<\/p><\/li><li><p>\uc800\ud488\uc9c8 \ucf00\uc774\ube14<\/p><\/li><li><p>\uc798\ubabb\ub41c FEC \ub610\ub294 \uc18d\ub3c4 \uc124\uc815<\/p><\/li><li><p>\uad11\uc120 \ucee4\ub125\ud130 \uc624\uc5fc<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uc774\uc720\ub85c \uacbd\ud5d8 \ub9ce\uc740 \ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc740 \ub808\uc774\uc5b4 1\uc5d0\uc11c \uc2dc\uc791\ud558\uc9c0 \uc54a\uace0, \ub77c\uc6b0\ud305 \ub610\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub808\uc5b4\uc2a4 \ub514agnostics\uc744 \uc2dc\uc791\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\uac00\uc7a5 \uc911\uc694\ud55c \ucd5c\uc120\uc758 \uc808\ucc28\ub4e4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc7a5\uae30\uc801\uc778 SFP \ub9c1\ud06c \uc548\uc815\uc131\uc744 \uc704\ud574 \ub2e4\uc74c \uc808\ucc28\ub4e4\uc744 \uc6b0\uc120\uc2dc\ud558\uc138\uc694:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 341px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"341\"><p>\ubaa8\ubc94 \uc0ac\ub840<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc774\uc720\uac00 \ubb34\uc5c7\uc778\uac00<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"341\"><p>\uc77c\uad00\ub41c \uc804\uc1a1\uae30\ub97c \uc0ac\uc6a9\ud558\uc138\uc694<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ube0c\ub79c\ub4dc\uc640 EEPROM \uac04\uc758 \ucda9\ub3cc\uc744 \ubc29\uc9c0\ud558\uc138\uc694<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"341\"><p>\uc18d\ub3c4\uc640 FEC \uc124\uc815\uc744 \uc77c\uce58\uc2dc\ud0a4\uc138\uc694<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud611\uc0c1 \uc2e4\ud328\ub97c \ud53c\ud558\uc138\uc694<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"341\"><p>\ube5b \uc804\uc120 \ucee4\ub125\ud130\ub97c \uccad\uc18c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc2e0\ud638 \ud750\ub984\uc744 \uc904\uc774\uace0 CRC \uc624\ub958\ub97c \uc904\uc5ec\uc8fc\uc138\uc694<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"341\"><p>DOM \uac12\uc758 \ubaa8\ub2c8\ud130\ub9c1<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc2e0\ud638 \uc800\ud558\ub97c \uc0ac\uc804\uc5d0 \uac10\uc9c0\ud558\uc138\uc694<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"341\"><p>\ud488\uc9c8\uc774 \ub192\uc740 DAC \ubc0f \uad11\uc120 \ucf00\uc774\ube14\uc744 \uc0ac\uc6a9\ud558\uc138\uc694<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc2e0\ud638 \uc2e0\ub8b0\ub3c4\ub97c \ud5a5\uc0c1\ud558\uc138\uc694<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"341\"><p>\uc5f4\uc801 \uc870\uac74\uc744 \uc81c\uc5b4\ud558\uc138\uc694<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc5f4\uc911\uc131\uacfc \ub9c1\ud06c \ub9ac\uc14b\uc744 \ubc29\uc9c0\ud558\uc138\uc694<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud604\ub300\uc801\uc778 10G, 25G, 100G Ethernet \ud658\uacbd\uc5d0\uc11c\ub294 \ubb3c\ub9ac \ub808\uc774\uc5b4 \uc2e0\ub8b0\ub3c4\uac00 \uc804\uccb4 \ub124\ud2b8\uc6cc\ud06c \uc131\ub2a5\uacfc \uc720\uc9c0\ubcf4\uc218\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 SFP \ubaa8\ub4c8 \uc120\ud0dd\uc758 \uc911\uc694\uc131<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uae30\uc5c5 \ub124\ud2b8\uc6cc\ud06c, AI \ud074\ub7ec\uc2a4\ud130, \ud074\ub77c\uc6b0\ub4dc \uae30\ubc18 \uae30\ubc18 \uc2dc\uc2a4\ud15c\uc774 \ub354 \ub192\uc740 Bandwidth Density\ub85c \uc774\ub3d9\ud558\uba74\uc11c \uc804\uc1a1\uae30\uc758 \ud488\uc9c8\uc774 \uc810\uc810 \ub354 \uc911\uc694\ud574\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc800\ud488\uc9c8 \uad11\ud559\uc740 \uc124\uce58 \uc2dc \ubcf4\uc77c \uc218 \uc788\ub294 \uac83\ucc98\ub7fc \ubcf4\uc77c \uc218 \uc788\uc9c0\ub9cc, \uc9c0\uc18d\uc801\uc778 \uc791\uc5c5\ub7c9 \ud558\uc5d0\uc11c \uac11\uc790\uae30\uc801\uc778 \ubd88\uc548\uc815\uc131\uc744 \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\uc5d0 \ub530\ub77c \ub9ce\uc740 IT \ud300\ub4e4\uc740 \uc774\uc81c \ub2e4\uc74c\uacfc \uac19\uc740 \uc808\ucc28\ub97c \ud45c\uc900\ud654\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ube0c\ub79c\ub4dc \ud638\ud658 \uac00\ub2a5\ud55c \uad11\ud559<\/p><\/li><li><p>\uad11\ud559 \ud14c\uc2a4\ud2b8 \uc808\ucc28<\/p><\/li><li><p>DOM \uae30\ubc18 \ubaa8\ub2c8\ud130\ub9c1<\/p><\/li><li><p>\uc5d4\ud130\ud504\ub77c\uc774\uc988 \ub808\uc5b4\uc2a4 \uc804\uc1a1\uae30 \uacf5\uae09\uc0ac<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0c8\ub85c\uc6b4 \ubc30\ud3ec \uacc4\ud68d\uc774\ub098 \ubd88\uc548\uc815\ud55c \ubaa8\ub4c8 \uad50\uccb4 \uacc4\ud68d\uc744 \uacc4\ud68d\ud560 \ub54c, <a target=\"_self\" href=\"https:\/\/www.l-p.com\/\">LINK-PP \uacf5\uc2dd \uc2a4\ud1a0\uc5b4<\/a> \uc81c\uacf5\ud558\ub294 \ub2e4\uc591\ud55c \ud638\ud658 \uac00\ub2a5\ud55c SFP, SFP+, DAC \ubc0f \uad11\ub124\ud2b8\uc6cc\ud06c \uc194\ub8e8\uc158\uc744 \uc124\uacc4\ud558\uc5ec \uc5d4\ud130\ud504\ub77c\uc774\uc988, \uc0b0\uc5c5 \ubc0f \ub370\uc774\ud130 \uc13c\ud130 \ud658\uacbd\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\uacb0\ub860<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \ub9c1\ud06c\ub294 \ub2e8\uc21c\ud55c \u201c\ub9c1\ud06c \uc62c\u201d \ud45c\uc2dc\uc640\ub294 \ub2e4\ub974\uac8c \uc548\uc815\uc801\uc778 Ethernet \ud1b5\uc2e0\uc758 \uae30\ucd08\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\uad00\uc131, \uc2e0\ud638 \uc2e0\ub8b0\ub3c4, \uad11\ud559 \ud488\uc9c8\uc774 \uc815\ud655\ud558\uac8c \ucc98\ub9ac\ub418\uba74:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub9c1\ud06c\uac00 \ub354 \uc548\uc815\uc801\u306b\u306a\u308a\u307e\u3059<\/p><\/li><li><p>\ud328\ud0b7 \uc190\uc2e4\uc774 \uc904\uc5b4\ub4ed\ub2c8\ub2e4<\/p><\/li><li><p>CRC\/FCS \uc624\ub958\uac00 \uac10\uc18c\ud568<\/p><\/li><li><p>\ub124\ud2b8\uc6cc\ud06c \uac00\ub3d9 \uc2dc\uac04(uptime)\uc774 \ud06c\uac8c \ud5a5\uc0c1\ub428<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uace0\uc18d \ud604\ub300 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c\ub294 \uc548\uc815\uc801\uc778 \ubb3c\ub9ac \uacc4\uce35 \uc5f0\uacb0\uc774 \uc120\ud0dd \uc0ac\ud56d\uc774 \uc544\ub2c8\ub77c \ud544\uc218 \uc778\ud504\ub77c\uc785\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>SFP \ub9c1\ud06c\ub780 \ubb34\uc5c7\uc778\uc9c0, \uc65c \uc2e4\ud328\ud558\ub294\uc9c0, \uadf8\ub9ac\uace0 \uc2e4\uc6a9\uc801\uc778 \uc810\uac80\uacfc \uba85\ud655\ud55c \ub2e8\uacc4\ub97c \ud1b5\ud574 \ud638\ud658\uc131, \ucf00\uc774\ube14\ub9c1, \ub9c1\ud06c \ud50c\ub7a9 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\uc544\ubcf4\uc138\uc694.<\/p>","protected":false},"author":1,"featured_media":7301,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[14,15,26],"class_list":["post-7302","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-10g-sfp-transceivers","tag-link-pp-1g-sfp-modules","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/7302","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=7302"}],"version-history":[{"count":9,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/7302\/revisions"}],"predecessor-version":[{"id":10683,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/7302\/revisions\/10683"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media\/7301"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media?parent=7302"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/categories?post=7302"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/tags?post=7302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}