{"id":7291,"date":"2026-05-14T00:00:00","date_gmt":"2026-05-14T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/what-is-crc-cyclic-redundancy-check-errors\/"},"modified":"2026-06-22T03:25:21","modified_gmt":"2026-06-22T03:25:21","slug":"what-is-crc-cyclic-redundancy-check-errors","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/what-is-crc-cyclic-redundancy-check-errors","title":{"rendered":"CRC(\uc21c\ud658 \uc911\ubcf5 \uac80\uc0ac) \uc624\ub958\ub780 \ubb34\uc5c7\uc774\uba70 \uc65c \ubc1c\uc0dd\ud558\ub294\uac00"},"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\/57e37cbeac654554aea2d041511b0dfc.jpg\" alt=\"What Is CRC Cyclic Redundancy Check Errors and Why Happen\" class=\"wp-image-7281\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/57e37cbeac654554aea2d041511b0dfc.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/57e37cbeac654554aea2d041511b0dfc-300x157.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/57e37cbeac654554aea2d041511b0dfc-1024x536.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/57e37cbeac654554aea2d041511b0dfc-768x402.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/57e37cbeac654554aea2d041511b0dfc-18x9.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud604\ub300 \ub514\uc9c0\ud138 \ud1b5\uc2e0\uc5d0\uc11c \ub370\uc774\ud130\ub294 \uae30\uae30, \uc11c\ubc84, \uc800\uc7a5 \uc2dc\uc2a4\ud15c \ubc0f \ub124\ud2b8\uc6cc\ud06c \uac04\uc5d0 \uc815\ud655\ud558\uac8c \uc804\uc1a1\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \ud30c\uc77c\uc744 \uc804\uc1a1\ud558\uac70\ub098 \ub3d9\uc601\uc0c1\uc744 \uc2a4\ud2b8\ub9ac\ubc0d\ud558\uac70\ub098 \uc774\ub354\ub137 \uc2a4\uc704\uce58\ub97c \uc0ac\uc6a9\ud558\uac70\ub098 \uace0\uc18d \ub9c1\ud06c\ub97c \uc5f0\uacb0\ud560 \ub54c\ub3c4 \ub9c8\ucc2c\uac00\uc9c0\uc785\ub2c8\ub2e4. <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">SFP \ubaa8\ub4c8<\/a> \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>, \ub2e8 \ud558\ub098\uc758 \ube44\ud2b8\ub77c\ub3c4 \uc190\uc0c1\ub418\uba74 \uc804\uc1a1 \uc2e4\ud328, \ud328\ud0b7 \uc190\uc2e4 \ub610\ub294 \ub370\uc774\ud130 \uc190\uc0c1\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubc14\ub85c \uc5ec\uae30\uc11c <strong>CRC(\uc21c\ud658 \uc911\ubcf5 \uac80\uc0ac)<\/strong> \uac00 \ud544\uc218\uc801\uc778 \uc5ed\ud560\uc744 \ud558\uac8c \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>CRC \uac80\uc0ac<\/strong> \ub294 \ub124\ud2b8\uc6cc\ud0b9 \ubc0f \ub370\uc774\ud130 \ud1b5\uc2e0 \ubd84\uc57c\uc5d0\uc11c \uac00\uc7a5 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \uc624\ub958 \ud0d0\uc9c0 \ubc29\ubc95 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \uc774\ub294 \uc804\uc1a1\ub41c \ub370\uc774\ud130\uac00 \uc804\ub2ec \uacfc\uc815\uc5d0\uc11c \ubcc0\uacbd, \uc190\uc0c1 \ub610\ub294 \ud30c\uc190\ub418\uc5c8\ub294\uc9c0\ub97c \uae30\uae30\uac00 \ud310\ub2e8\ud558\ub294 \ub370 \ub3c4\uc6c0\uc744 \uc90d\ub2c8\ub2e4. CRC \uae30\uc220\uc740 \uc774\ub354\ub137 \ub124\ud2b8\uc6cc\ud06c, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/what-is-a-router-key-functions-types\/\">\ub77c\uc6b0\ud130<\/a>, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/what-is-a-network-switch\/\">\uc2a4\uc704\uce58<\/a>, \uc800\uc7a5 \uc7a5\uce58, \uc0b0\uc5c5\uc6a9 \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c, \uad11\uc12c\uc720 \ubc0f SFP \ud2b8\ub79c\uc2a4\uc2dc\ubc84 \ub4f1\uc5d0\uc11c \ub370\uc774\ud130 \ubb34\uacb0\uc131\uacfc \uc2e0\ub8b0\uc131 \uc788\ub294 \ud1b5\uc2e0\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2dc\uc2a4\ud15c\uc774 \uac80\uc99d \uacfc\uc815\uc5d0\uc11c \ubd88\uc77c\uce58\ub97c \uac10\uc9c0\ud558\uba74 <strong>CRC \uc624\ub958<\/strong>. \ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc624\ub958\ub294 \uc885\uc885 \uc190\uc0c1\ub41c \ucf00\uc774\ube14, \uc804\uc790\uae30 \uac04\uc12d(EMI), \uc2e0\ud638 \ud488\uc9c8 \uc800\ud558, \uacb0\ud568 \uc788\ub294 \ud558\ub4dc\uc6e8\uc5b4, \ud638\ud658\ub418\uc9c0 \uc54a\ub294 SFP \ubaa8\ub4c8, \uc624\uc5fc\ub41c <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/common-fiber-connector-types-optical-transceivers\/\">\uad11\uc12c\uc720 \ucee4\ub125\ud130<\/a>, \ub610\ub294 \ubd88\uc548\uc815\ud55c \ub124\ud2b8\uc6cc\ud06c \ub9c1\ud06c\uc640 \uac19\uc740 \ubb38\uc81c\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uae30\uc5c5 \ud658\uacbd\uc5d0\uc11c\ub294 \ubc18\ubcf5\uc801\uc73c\ub85c \ubc1c\uc0dd\ud558\ub294 CRC \uc624\ub958\uac00 \ub124\ud2b8\uc6cc\ud06c \uc131\ub2a5\uc744 \uc800\ud558\uc2dc\ud0a4\uace0, \uc7ac\uc804\uc1a1\uc744 \uc99d\uac00\uc2dc\ud0a4\uba70, \uace0\uc18d \ub9c1\ud06c\uc5d0\uc11c \ud328\ud0b7 \ub4dc\ub86d\uc744 \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\ub294 \ud604\ub300 \ub124\ud2b8\uc6cc\ud0b9 \uc778\ud504\ub77c\uc640 \uae4a\uc774 \uc5f0\uad00\ub418\uc5b4 \uc788\uae30 \ub54c\ubb38\uc5d0 \uc0ac\uc6a9\uc790\ub4e4\uc740 \uc790\uc8fc \ub2e4\uc74c\uacfc \uac19\uc740 \uc9c8\ubb38\uc744 \uac80\uc0c9\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub124\ud2b8\uc6cc\ud0b9\uc5d0\uc11c CRC\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/p><\/li><li><p>\uc21c\ud658 \uc911\ubcf5 \uac80\uc0ac \uc624\ub958\ub780 \ubb34\uc5c7\uc744 \uc758\ubbf8\ud558\ub098\uc694?<\/p><\/li><li><p>CRC\uac00 \uccb4\ud06c\uc12c\ubcf4\ub2e4 \uc6b0\uc218\ud55c\uac00\uc694?<\/p><\/li><li><p>\uc774\ub354\ub137 \ub610\ub294 \uad11\uc12c\uc720 \ub9c1\ud06c\uc5d0\uc11c CRC \uc624\ub958\ub97c \uc5b4\ub5bb\uac8c \ud574\uacb0\ud558\ub098\uc694?<\/p><\/li><li><p>\uc65c SFP \ubaa8\ub4c8\uc5d0\uc11c CRC \uc624\ub958\uac00 \ubc1c\uc0dd\ud558\ub098\uc694?<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">CRC \uc791\ub3d9 \uc6d0\ub9ac\ub97c \uc774\ud574\ud558\ub294 \uac83\uc740 \ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4 \ubc0f IT \uad00\ub9ac\uc790\ubfd0 \uc544\ub2c8\ub77c \uc11c\ubc84, \uc2a4\uc704\uce58, \uc0b0\uc5c5\uc6a9 \uc7a5\ube44 \ubc0f \uad11\ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc744 \uad00\ub9ac\ud558\ub294 \uae30\uc5c5\uc5d0\ub3c4 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c \uc18d\ub3c4\uac00 10G, 25G, 40G, 100G \ubc0f \uadf8 \uc774\uc0c1\uc73c\ub85c \uacc4\uc18d \ube68\ub77c\uc9d0\uc5d0 \ub530\ub77c \uc548\uc815\uc801\uc778 \ub370\uc774\ud130 \uc804\uc1a1\uc744 \uc720\uc9c0\ud558\uae30 \uc704\ud55c \uc2e0\ub8b0\uc131 \uc788\ub294 \uc624\ub958 \ud0d0\uc9c0 \uae30\ub2a5\uc774 \ub354\uc6b1 \uc911\uc694\ud574\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubcf8 \uac00\uc774\ub4dc\uc5d0\uc11c\ub294 \ub2e4\uc74c \ub0b4\uc6a9\uc744 \ubc30\uc6b0\uac8c \ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>CRC(\uc21c\ud658 \uc911\ubcf5 \uac80\uc0ac)\uc758 \uc9c4\uc815\ud55c \uc758\ubbf8<\/p><\/li><li><p>\ub124\ud2b8\uc6cc\ud0b9 \ubc0f \ub370\uc774\ud130 \uc804\uc1a1\uc5d0\uc11c CRC \uac80\uc0ac\uac00 \uc791\ub3d9\ud558\ub294 \ubc29\uc2dd<\/p><\/li><li><p>CRC\uc640 Checksum \ubc29\ubc95\uc758 \ucc28\uc774<\/p><\/li><li><p>CRC \uc624\ub958\uc758 \uc77c\ubc18\uc801\uc778 \uc6d0\uc778<\/p><\/li><li><p>Ethernet \ubc0f \uad11\uc120 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c CRC \uc624\ub958 \ud574\uacb0 \ubc29\ubc95<\/p><\/li><li><p>CRC \ubb38\uc81c\uac00 \uc8fc\ub85c \ub098\ud0c0\ub098\ub294 \uc774\uc720 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-25832-1-2-4g-transceiver-modules.htm\">\uad11 \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/a><\/p><\/li><li><p>CRC \uad00\ub828 \ub124\ud2b8\uc6cc\ud06c \ubb38\uc81c\ub97c \uc608\ubc29\ud558\uae30 \uc704\ud55c \ucd5c\uc801\ud654 \ubc29\ubc95<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uae30\uc0ac \ub05d\uc5d0 CRC\uac00 \ub370\uc774\ud130 \ubcf4\ud638\uc5d0 \uc5b4\ub5bb\uac8c \uae30\uc5ec\ud558\ub294\uc9c0\uc640 \ud604\ub300 \ub124\ud2b8\uc6cc\ud06c \ud658\uacbd\uc5d0\uc11c CRC \uc624\ub958\ub97c \ubb34\uc2dc\ud560 \uc774\uc720\uac00 \ubb34\uc5c7\uc778\uc9c0\uc5d0 \ub300\ud55c \uba85\ud655\ud55c \uc774\ud574\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udfe8 CRC\ub780 \ubb34\uc5c7\uc778\uac00?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CRC(Cyclic Redundancy Check)\ub294 \ub514\uc9c0\ud138 \ub370\uc774\ud130\uac00 \uc804\uc1a1 \uc911\uc5d0 \uc190\uc0c1\ub418\uc5c8\ub294\uc9c0 \ud655\uc778\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub418\ub294 \uc624\ub958 \ud0d0\uc9c0 \ucf54\ub4dc\uc785\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c \ub9c1\ud06c, \uc2a4\ud1a0\ub9ac\uc9c0 \uc7a5\uce58, \ud1b5\uc2e0 \uc2dc\uc2a4\ud15c\uc774 \ub178\uc774\uc988, \uac04\uc12d, \uc2e0\ud638 \uc190\uc2e4, \ud558\ub4dc\uc6e8\uc5b4 \uc624\ub958\ub97c \uacbd\ud5d8\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 CRC\ub294 \ub370\uc774\ud130 \ud3ec\ub9f7\uc774 \uc190\uc0c1\ub418\uc5c8\ub294\uc9c0 \ud655\uc778\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774 \uae30\uc220\uc740 Ethernet \ub124\ud2b8\uc6cc\ud06c, \uc2a4\ud1a0\ub9ac\uc9c0 \uc2dc\uc2a4\ud15c, SFP \uad11\ub79c\ub4dc\ubaa8\ub4c8\uc5d0\uc11c \ud575\uc2ec \uae30\uc220\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\/9e2332272bd4478899d224c36f0a5c6b.jpg\" alt=\"What Is CRC Cyclic Redundancy Check?\" class=\"wp-image-7282\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9e2332272bd4478899d224c36f0a5c6b.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9e2332272bd4478899d224c36f0a5c6b-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9e2332272bd4478899d224c36f0a5c6b-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9e2332272bd4478899d224c36f0a5c6b-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9e2332272bd4478899d224c36f0a5c6b-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >Micro Definition: CRC = \uc624\ub958 \ud0d0\uc9c0 \ucf54\ub4dc<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\ub294 \uc804\uc1a1 \uc911\uc5d0 \ubc14\ub010 \ubc14INARY \ub370\uc774\ud130\ub97c \ud655\uc778\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub418\ub294 \uc218\ud559\uc801 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubaa9\uc801\uc740 \uac04\ub2e8\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\uc2dc\uc2a4\ud15c\uc774 \uc0ac\uc6a9\ud558\uae30 \uc804\uc5d0 \uc624\uc5fc\ub41c \ub370\uc774\ud130\ub97c \ud0d0\uc9c0\ud569\ub2c8\ub2e4.<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\ub294 <strong>\ub370\uc774\ud130\ub97c<\/strong> \ubcf5\uad6c\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<br\/>\uc624\ub958\uac00 \ubc1c\uc0dd\ud588\ub294\uc9c0 \ud655\uc778\ud558\ub294 \ub370\ub9cc \ub3c4\uc6c0\uc744 \uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub85c \uc778\ud574 CRC\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ub2e4\uc591\ud55c \uc7a5\uce58\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Ethernet \ub124\ud2b8\uc6cc\ud06c<\/p><\/li><li><p>\ub77c\uc6b0\ud130\uc640 \uc2a4\uc704\uce58<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/ssd-solid-state-drive-explained\/\">SSD<\/a> \ubc0f <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/what-is-an-hdd-hard-disk-drive\/\">HDD<\/a><\/p><\/li><li><p>\uad11\uc120 \uc804\uc1a1<\/p><\/li><li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26155-1g-sfp.htm\">SFP<\/a> \ubc0f <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26153-40g-qsfp.htm\">QSFP<\/a> \uc804\uc1a1\uae30<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >CRC\uac00 \uc874\uc7ac\ud558\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc778\uac00?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub514\uc9c0\ud138 \ud1b5\uc2e0\uc740 \uc644\uc804\ud788 \uc624\ub958\uac00 \uc5c6\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub370\uc774\ud130 \uc624\ub958\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc774\uc720\ub85c \ubc1c\uc0dd\ud560 \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-electromagnetic-interference\/\">\uc804\uc790\uc801 \uac04\uc12d(EMI)<\/a> EMI)<\/p><\/li><li><p>\ucf00\uc774\ube14 \uc190\uc0c1<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/attenuation-in-optical-transceiver-management-and-solutions\/\">\uc2e0\ud638 \uc555\ucd95<\/a><\/p><\/li><li><p>\uc624\uc5fc\ub41c \uad11\uc12c\uc720 \ucee4\ub125\ud130<\/p><\/li><li><p>SFP \ubaa8\ub4c8 \uc624\ub958<\/p><\/li><li><p>\ud558\ub4dc\uc6e8\uc5b4 \ubd88\uc548\uc815\uc131<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">CRC \uc5c6\uc774, \uc7a5\uce58\ub294 \uc624\uc5fc\ub41c \ub370\uc774\ud130 \ud3ec\ub9f7\uc744 \ud0d0\uc9c0\ud560 \uc218 \uc788\ub294 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ubc29\ubc95\uc744 \uc81c\uacf5\ud558\uc9c0 \ubabb\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 291px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"291\"><p>\uc2dc\ub098\ub9ac\uc624<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>CRC \uacb0\uacfc<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"291\"><p>\uc624\uc5fc\ub41c Ethernet \ud504\ub808\uc784<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc624\ub958 \ud0d0\uc9c0<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"291\"><p>\uc624\uc5fc\ub41c \uad11\uc120 \uc804\uc1a1<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud3ec\ub9f7 \uac70\ubd80<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"291\"><p>\uc2a4\ud1a0\ub9ac\uc9c0 \ube44\ud2b8 \uc624\ub958<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ubcf4\uc548\uc131 \uc2e4\ud328 \ud0d0\uc9c0<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"291\"><p>\ub124\ud2b8\uc6cc\ud06c \uac04\uc12d<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc624\uc5fc\ub41c \ub370\uc774\ud130 \ud0d0\uc9c0<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >CRC\uac00 Ethernet \ubc0f SFP \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \uc911\uc694\ud55c \uc774\uc720<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud604\ub300 Ethernet \ud45c\uc900\uc740 \uc778\uc2a4\ud134\ud2b8 \uc804\uc790 \uc804\uc790 \uae30\uc220 \ud611\ud68c(IEEE)\uc5d0\uc11c \uac1c\ubc1c\ub418\uc5c8\uc73c\uba70, CRC \uae30\ubc18\uc758 Frame Check Sequence(FCS) \ud544\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc624\uc5fc\ub41c \ud504\ub808\uc784\uc744 \ud0d0\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c\uacfc \uac19\uc740 \uace0\uc18d \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\">10G SFP+<\/a><\/p><\/li><li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26225-25g-sfp28.htm\">25G SFP28<\/a><\/p><\/li><li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-27045-100g-qsfp28-sfp-dd.htm\">100G QSFP28<\/a><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">CRC \uc624\ub958\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub0ae\uc740 \uc2e0\ud638 \ud488\uc9c8<\/p><\/li><li><p>\uc624\uc5fc\ub41c \uad11\ud559 \ucee4\ub125\ud130<\/p><\/li><li><p>\uad11\uc12c\uc720 \ub9c1\ud06c \ubb38\uc81c<\/p><\/li><li><p>\ud638\ud658\ub418\uc9c0 \uc54a\ub294 \uad11\ud559 \ubaa8\ub4c8<\/p><\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>CRC \uc624\ub958\ub294 \ubb3c\ub9ac \uacc4\uce35 \ub124\ud2b8\uc6cc\ud06c \ubb38\uc81c\uc758 \uc870\uae30 \uacbd\uace0 \uc2e0\ud638\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4\uc5d0\uac8c\ub294 CRC \uce74\uc6b4\ud130\ub97c \ubaa8\ub2c8\ud130\ub9c1\ud558\ub294 \uac83\uc774 \uc548\uc815\uc801\uc778 \uc774\ub354\ub137 \ubc0f \uad11\uc12c\uc720 \ub9c1\ud06c\ub97c \uc720\uc9c0\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc791\uc5c5\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udfe8 CRC\ub294 \ub370\uc774\ud130 \uc624\ub958\ub97c \uc5b4\ub5bb\uac8c \uac10\uc9c0\ud558\ub098\uc694?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\ub294 \uc804\uc1a1 \uc804 \uc6d0\ubcf8 \ub370\uc774\ud130\ub85c\ubd80\ud130 \uc218\ud559\uc801 \uccb4\ud06c\uc12c \uac12\uc744 \uc0dd\uc131\ud568\uc73c\ub85c\uc368 \ub370\uc774\ud130 \uc624\ub958\ub97c \ud0d0\uc9c0\ud569\ub2c8\ub2e4. \ub370\uc774\ud130\uac00 \uc218\uc2e0\uae30\uc5d0 \ub3c4\ub2ec\ud558\uba74 \uc2dc\uc2a4\ud15c\uc774 \uc218\uc2e0\ub41c \ub370\uc774\ud130\ub97c \uae30\ubc18\uc73c\ub85c \ub2e4\uc2dc CRC \uac12\uc744 \uacc4\uc0b0\ud558\uace0 \uc774\ub97c \uc6d0\ub798 \uac12\uacfc \ube44\uad50\ud569\ub2c8\ub2e4. \ub450 \uac12\uc774 \uc77c\uce58\ud558\uc9c0 \uc54a\uc73c\uba74 \ud574\ub2f9 \ub370\uc774\ud130\uac00 \uc804\uc1a1 \ub610\ub294 \uc800\uc7a5 \uacfc\uc815\uc5d0\uc11c \uc190\uc0c1\ub418\uc5c8\uc74c\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc744 \ud1b5\ud574 \uc774\ub354\ub137 \uc2a4\uc704\uce58, \ub77c\uc6b0\ud130, \uc800\uc7a5 \uc2dc\uc2a4\ud15c \ubc0f SFP \uad11 \ub9c1\ud06c\ub294 \uc190\uc0c1\ub41c \ud328\ud0b7\uc744 \uc2e0\uc18d\ud558\uace0 \ud6a8\uc728\uc801\uc73c\ub85c \ud0d0\uc9c0\ud560 \uc218 \uc788\uc2b5\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\/00b1a69528084c57b03c7838bbfb952b.jpg\" alt=\"How Does CRC Detect Data Errors?\" class=\"wp-image-7283\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/00b1a69528084c57b03c7838bbfb952b.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/00b1a69528084c57b03c7838bbfb952b-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/00b1a69528084c57b03c7838bbfb952b-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/00b1a69528084c57b03c7838bbfb952b-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/00b1a69528084c57b03c7838bbfb952b-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >CRC \uc624\ub958 \ud0d0\uc9c0 \uacfc\uc815(3\ub2e8\uacc4)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\ub294 \uac04\ub2e8\ud55c \uac80\uc99d \uacfc\uc815\uc744 \ud1b5\ud574 \uc791\ub3d9\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 141px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"141\"><p>\ub2e8\uacc4<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\ubc1c\uc0dd\ud558\ub294 \uc77c<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\ubaa9\uc801<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"141\"><p>1\ub2e8\uacc4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc1a1\uc2e0\uce21\uc774 \uc6d0\ubcf8 \ub370\uc774\ud130\ub85c\ubd80\ud130 CRC \uac12\uc744 \uacc4\uc0b0\ud568<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uace0\uc720\ud55c \ubb34\uacb0\uc131 \uac80\uc0ac\ub97c \uc0dd\uc131\ud568<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"141\"><p>2\ub2e8\uacc4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc218\uc2e0\uce21\uc774 \uc218\uc2e0\ub41c \ub370\uc774\ud130\ub97c \uae30\ubc18\uc73c\ub85c CRC \uac12\uc744 \ub2e4\uc2dc \uacc4\uc0b0\ud568<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub370\uc774\ud130 \uc77c\uad00\uc131\uc744 \uac80\uc99d\ud568<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"141\"><p>3\ub2e8\uacc4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc2dc\uc2a4\ud15c\uc774 \ub450 CRC \uac12\uc744 \ube44\uad50\ud568<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc804\uc1a1 \uc624\ub958\ub97c \ud0d0\uc9c0\ud568<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">CRC \uac12\uc774 \uc77c\uce58\ud558\ub294 \uacbd\uc6b0: \ub370\uc774\ud130\ub294 \uc720\ud6a8\ud55c \uac83\uc73c\ub85c \uac04\uc8fc\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CRC \uac12\uc774 \uc77c\uce58\ud558\uc9c0 \uc54a\ub294 \uacbd\uc6b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc2dc\uc2a4\ud15c\uc740 \ub370\uc774\ud130 \uc190\uc0c1\uc744 \ud0d0\uc9c0\ud569\ub2c8\ub2e4.<\/p><\/li><li><p>\ud328\ud0b7 \ub610\ub294 \ud30c\uc77c\uc740 \ud3d0\uae30\ub418\uac70\ub098 \uc7ac\uc804\uc1a1\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >CRC \uc791\ub3d9 \ubc29\uc2dd\uc758 \uac04\ub2e8\ud55c \uc608\uc2dc<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2a4\uc704\uce58\uac00 SFP \ubaa8\ub4c8\uc744 \uc0ac\uc6a9\ud558\uc5ec \uad11\uc12c\uc720 \ub9c1\ud06c\ub97c \ud1b5\ud574 \uc774\ub354\ub137 \ud504\ub808\uc784\uc744 \uc804\uc1a1\ud55c\ub2e4\uace0 \uac00\uc815\ud574 \ubd05\uc2dc\ub2e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" >\uc804\uc1a1 \uc804<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2a4\uc704\uce58\ub294 \ub2e4\uc74c\uc744 \uc218\ud589\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub370\uc774\ud130 \ud328\ud0b7\uc744 \uc0dd\uc131\ud568<\/p><\/li><li><p>CRC \uac12\uc744 \uacc4\uc0b0\ud568<\/p><\/li><li><p>CRC\ub97c \uc774\ub354\ub137 \ud504\ub808\uc784\uc5d0 \ucd94\uac00\ud568<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" >\uc804\uc1a1 \uc911<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e0\ud638\ub294 \ub2e4\uc74c \uc694\uc778\uc758 \uc601\ud5a5\uc744 \ubc1b\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>EMI \uac04\uc12d<\/p><\/li><li><p>\uad11\uc2e0\ud638 \uc190\uc2e4<\/p><\/li><li><p>\uc624\uc5fc\ub41c \uad11\uc12c\uc720 \ucee4\ub125\ud130<\/p><\/li><li><p>\uacb0\ud568 \uc788\ub294 DAC\/AOC \ucf00\uc774\ube14<\/p><\/li><li><p>\ud638\ud658\ub418\uc9c0 \uc54a\ub294 SFP \ubaa8\ub4c8<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" >\uc218\uc2e0 \ud6c4<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\uc218\uc2e0 \uc7a5\uce58\ub294 \ub2e4\uc74c\uc744 \uc218\ud589\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>CRC \uac12\uc744 \ub2e4\uc2dc \uacc4\uc0b0\ud568<\/p><\/li><li><p>\uc774\ub97c \uc6d0\ub798 CRC \uac12\uacfc \ube44\uad50\ud568<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc804\uc1a1 \uc911 \ub2e8 \ud558\ub098\uc758 \uc774\uc9c4 \ube44\ud2b8\ub77c\ub3c4 \ubcc0\uacbd\ub418\uba74 CRC \uac12\uc774 \ub2ec\ub77c\uc9c0\uace0, \ud574\ub2f9 \ud504\ub808\uc784\uc740 \uc190\uc0c1\ub41c \uac83\uc73c\ub85c \ud45c\uc2dc\ub429\ub2c8\ub2e4. CRC\ub294 \uc758\ub3c4\uc801\uc778 \ub370\uc774\ud130 \uc554\ud638\ud654\ub098 \ubcf5\uad6c\uac00 \uc544\ub2c8\ub77c \uc6b0\uc5f0\ud55c \ub370\uc774\ud130 \uc190\uc0c1\uc744 \ud0d0\uc9c0\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\uc65c CRC\uac00 \uc774\ub354\ub137 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \ud6a8\uacfc\uc801\uc778\uac00\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc804\uae30\uc804\uc790\uacf5\ud559\ud68c(IEEE)\uc758 \ud604\ub300 \uc774\ub354\ub137 \ud45c\uc900\uc740 \uacc4\uce35 2 \ud504\ub808\uc784 \ubb34\uacb0\uc131\uc744 \uac80\uc99d\ud558\uae30 \uc704\ud574 CRC \uae30\ubc18 \ud504\ub808\uc784 \uccb4\ud06c \uc2dc\ud000\uc2a4(FCS) \ud544\ub4dc\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\ub294 \ub2e4\uc74c\uc744 \ud0d0\uc9c0\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 \ub9e4\uc6b0 \ud6a8\uacfc\uc801\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub2e8\uc77c \ube44\ud2b8 \uc624\ub958<\/p><\/li><li><p>\ubc84\uc2a4\ud2b8 \uc624\ub958<\/p><\/li><li><p>\uc7a1\uc74c \uad00\ub828 \uc190\uc0c1<\/p><\/li><li><p>\uc804\uc1a1 \ubd88\uc548\uc815\uc131<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uace0\uc18d 10G, 25G \ubc0f 100G \uc774\ub354\ub137 \ud658\uacbd\uc5d0\uc11c\ub294 \uc2e0\ub8b0\uc131 \uc788\ub294 \ud328\ud0b7 \uc804\ub2ec\uacfc \uc548\uc815\uc801\uc778 \ub124\ud2b8\uc6cc\ud06c \uc131\ub2a5\uc744 \uc720\uc9c0\ud558\uae30 \uc704\ud574 CRC \uac80\uc0ac\uac00 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udfe8 CRC \uc624\ub958\ub294 \uc65c \ubc1c\uc0dd\ud558\ub098\uc694?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CRC \uc624\ub958\ub294 \uc77c\ubc18\uc801\uc73c\ub85c CRC \uc2dc\uc2a4\ud15c \uc790\uccb4\uac00 \uace0\uc7a5\ub0ac\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 \uacbd\uc6b0, CRC \uc624\ub958\ub294 \ubb3c\ub9ac \uacc4\uce35 \ubb38\uc81c\ub85c \uc778\ud574 \uc804\uc1a1 \uc911 \uc5b4\ub518\uac00\uc5d0\uc11c \ub370\uc774\ud130\uac00 \uc190\uc0c1\ub418\uc5c8\uc74c\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \uc6d0\uc778\uc73c\ub85c\ub294 \uc190\uc0c1\ub41c \ucf00\uc774\ube14, \uc624\uc5fc\ub41c \uad11\uc12c\uc720 \ucee4\ub125\ud130, \uc804\uc790\uae30 \uac04\uc12d(EMI), \uc2e0\ud638 \uac10\uc1e0, \uacb0\ud568 \uc788\ub294 \uc2a4\uc704\uce58 \ud3ec\ud2b8 \ub610\ub294 \ud638\ud658\ub418\uc9c0 \uc54a\ub294 SFP \uad11 \ubaa8\ub4c8 \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub354\ub137 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \ubc18\ubcf5\ub418\ub294 CRC \uc624\ub958\ub294 \uc885\uc885 \ub9c1\ud06c \ubd88\uc548\uc815\uc131 \ub610\ub294 \ud558\ub4dc\uc6e8\uc5b4 \uc5f4\ud654\uc758 \ucd08\uae30 \uc9d5\ud6c4\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>CRC \uc624\ub958\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc18c\ud504\ud2b8\uc6e8\uc5b4 \ubb38\uc81c\ubcf4\ub2e4\ub294 \uc804\uc1a1 \ubb38\uc81c\uc758 \uc99d\uc0c1\uc785\ub2c8\ub2e4.<\/p><\/blockquote>\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\/713d4f38d36e445695765d7e0d25f405.jpg\" alt=\"Why Do CRC Errors Happen?\" class=\"wp-image-7284\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/713d4f38d36e445695765d7e0d25f405.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/713d4f38d36e445695765d7e0d25f405-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/713d4f38d36e445695765d7e0d25f405-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/713d4f38d36e445695765d7e0d25f405-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/713d4f38d36e445695765d7e0d25f405-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >CRC \uc624\ub958\uc758 \uc6d0\uc778 \ubc0f \uadf8 \uc601\ud5a5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CRC \uc624\ub958\ub294 \uc218\uc2e0\ub41c \ub370\uc774\ud130\uac00 \uc6d0\ub798 \uc804\uc1a1\ub41c \ub370\uc774\ud130\uc640 \uc77c\uce58\ud558\uc9c0 \uc54a\uc744 \ub54c \ubc1c\uc0dd\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;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\ubb3c\ub9ac\uc801 \ubb38\uc81c<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>CRC \uc624\ub958\ub97c \uc720\ubc1c\ud558\ub294 \ubc29\uc2dd<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc77c\ubc18\uc801\uc778 \ud658\uacbd<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uc624\uc5fc\ub41c \uad11\uc12c\uc720 \ucee4\ub125\ud130<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uad11 \uc2e0\ud638 \ud488\uc9c8 \uc800\ud558<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub370\uc774\ud130 \uc13c\ud130<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uc190\uc0c1\ub41c \uad6c\ub9ac \ucf00\uc774\ube14<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud328\ud0b7 \uc190\uc0c1 \uc720\ubc1c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc0ac\ubb34\uc2e4 \uc774\ub354\ub137<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>EMI \uac04\uc12d<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc804\uae30\uc801 \uc804\uc1a1 \ubc29\ud574<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc0b0\uc5c5\uc6a9 \uacf5\uc7a5<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\ud638\ud658\ub418\uc9c0 \uc54a\ub294 SFP \ubaa8\ub4c8<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ubd88\uc548\uc815\ud55c \ub9c1\ud06c \ud611\uc0c1 \uc720\ubc1c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc5d4\ud130\ud504\ub77c\uc774\uc988 \uc2a4\uc704\uce58<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uacfc\ub3c4\ud55c \uc804\uc1a1 \uac70\ub9ac<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ube44\ud2b8 \uc624\ub958\uc728(BER) \uc99d\uac00<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uae34 \uad11\uc12c\uc720 \uad6c\uac04<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uacb0\ud568 \uc788\ub294 \uc2a4\uc704\uce58 \ud3ec\ud2b8<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc774\ub354\ub137 \ud504\ub808\uc784 \uc190\uc0c1<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub178\ud6c4\ud654\ub41c \ud558\ub4dc\uc6e8\uc5b4<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >SFP \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c CRC \uc624\ub958\uac00 \ud754\ud55c \uc774\uc720<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uad11\uc12c\uc720 \uc774\ub354\ub137 \ud658\uacbd\uc5d0\uc11c\ub294 CRC \uc624\ub958\uac00 \uc790\uc8fc \uad11 \uacc4\uce35 \ubb38\uc81c\uc640 \uad00\ub828\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc624\uc5fc\ub41c LC \ucee4\ub125\ud130\ub294 \uc0bd\uc785 \uc190\uc2e4\uc744 \uc99d\uac00\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li><li><p>\uc800\uc9c8 \uc804\uc1a1\uae30\ub2a5\uc740 \ubd88\uc548\uc815\ud55c \uad11\uc2e0\ud638\ub97c \uc0dd\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li><li><p>\ubd88\uc77c\uce58 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/sfp-wavelengths-850nm-1310nm-1550nm-guide\/\">\ud30c\uc7a5<\/a> \uc804\uc1a1 \uc2e0\ub8b0\ub3c4\ub97c \uac10\uc18c\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li><li><p>\uacfc\ub3c4\ud55c \ub77c\uc778 \ube57\uae30\ub294 \uc2e0\ud638 \uc2e0\ub8b0\ub3c4\ub97c \uc57d\ud654\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub294 \ud2b9\ud788 \ub2e4\uc74c\uacfc \uac19\uc740 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \uc911\uc694\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>10G SFP+<\/p><\/li><li><p>25G SFP28<\/p><\/li><li><p>100G QSFP28<\/p><\/li><li><p>\ub370\uc774\ud130 \uc13c\ud130 \uc2a4\ud018\uc5b4-leaf \ub124\ud2b8\uc6cc\ud06c<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5d0\uc5b4\ub9c1 \uc18d\ub3c4\uac00 \uc99d\uac00\ud558\uba74 \uc2e0\ud638 \ud761\uc218 \ubc94\uc704\uac00 \uc791\uc544\uc9c0\uba74\uc11c CRC \ubaa8\ub2c8\ud130\ub9c1\uc774 \ub124\ud2b8\uc6cc\ud06c \uc2e0\ub8b0\ub3c4\uc5d0 \ub354 \uc911\uc694\ud574\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >CRC \uc624\ub958 vs. \ud328\ud0b7 \uc190\uc2e4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9ce\uc740 \uc0ac\uc6a9\uc790\ub4e4\uc740 CRC \uc624\ub958\uc640 \ud328\ud0b7 \uc190\uc2e4\uc744 \ud63c\ub3d9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubbf8\ud06c\ub85c \uc815\uc758<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>CRC \uc624\ub958:<\/strong> \uc7a5\uce58\uac00 \uc624\ub958\ub41c \ub370\uc774\ud130\ub97c \uc218\uc2e0\ud588\uc2b5\ub2c8\ub2e4.<\/p><\/li><li><p><a target=\"_self\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/what-does-packet-loss-mean-for-your-internet-connection\/\"><strong>\ud328\ud0b7 \uc190\uc2e4<\/strong><\/a><strong>:<\/strong> \ud328\ud0b7\uc774 \uc131\uacf5\uc801\uc73c\ub85c \ub3c4\ucc29\ud558\uc9c0 \uc54a\uc558\uc2b5\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">CRC \uc624\ub958\ub294 \ud328\ud0b7 \uc190\uc2e4\uc774 \ubcf4\uc774\uae30 \uc804\uc5d0 \uc790\uc8fc \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub294 \ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc774 CRC \uce74\uc6b4\ud130\ub97c \uc2e0\ud638 \uc624\uc5fc\uc758 \uc77c\uc2dc\uc801\uc778 \uacbd\uace0 \uc9c0\ud45c\ub85c \ud65c\uc6a9\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc774\uc720\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ubb3c\ub9ac \uacc4\uce35 \ubd88\uc548\uc815\uc131<\/p><\/li><li><p>\uad11\ud559 \uc624\uc5fc<\/p><\/li><li><p>\ucf00\uc774\ube14 \uc624\ub958<\/p><\/li><li><p>\ud3ec\ud2b8 \ub808\uc5b4 \uc804\uc1a1 \ubb38\uc81c<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uae30\uc5c5 \ud658\uacbd\uc5d0\uc11c \uc2a4\uc704\uce58 \uc778\ud130\ud398\uc774\uc2a4\uc5d0\uc11c \uc99d\uac00\ud558\ub294 CRC \uce74\uc6b4\ud2b8\ub294 \ubb38\uc81c\uac00 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc131\ub2a5\uc774\ub098 \uc11c\ube44\uc2a4\u53ef\u7528\uc131\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\uae30 \uc804\uc5d0 \uc989\uc2dc \uc870\uc0ac\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udfe8 Ethernet \ubc0f SFP \ubaa8\ub4c8\uc5d0\uc11c CRC \uc624\ub958\ub294 \ubb34\uc5c7\uc778\uac00?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ethernet \ubc0f SFP \uad11 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c CRC \uc624\ub958\ub294 \uc804\uc1a1 \uc911\uc5d0 \ub370\uc774\ud130 \ud328\ud0b7\uc774 \uc624\ub958\ub97c \uacaa\uc5c8\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uac00\uc7a5 \ud754\ud55c \uc6d0\uc778\uc740 \ubb3c\ub9ac \ub808\uc774\uc5b4 \uc2e0\ud638 \ud488\uc9c8\uc774 \ubd80\uc871\ud558\uc9c0 \uc54a\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ubd88\uacb0\ud55c \uad11 \ucee4\ub125\ud130, \uc190\uc0c1\ub41c \ucf00\uc774\ube14, \ubd88\uc548\uc815\ud55c \uc2a4\uc704\uce58 \ud3ec\ud2b8, \uc2e0\ud638 \uc555\ucd95, \ub610\ub294 \ud638\ud658\ub418\uc9c0 \uc54a\ub294 SFP\/SFP+ \ubc0f <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/473115.htm\">QSFP28 \ubaa8\ub4c8<\/a> \uc774 \ubaa8\ub4e0 \ubb38\uc81c\uac00 Ethernet \ub9c1\ud06c\uc5d0\uc11c CRC \ud504\ub808\uc784 \uc624\ub958\ub97c \uc77c\uc73c\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub300\ubd80\ubd84\uc758 \uae30\uc5c5 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c CRC \uc624\ub958\ub294 \ubb3c\ub9ac \ub808\uc774\uc5b4 \uacbd\uace0 \uc2e0\ud638\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\/576969458fd94a4ebafdb65aa8003cdd.jpg\" alt=\"What Do CRC Errors Mean on Ethernet and SFP Modules?\" class=\"wp-image-7285\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/576969458fd94a4ebafdb65aa8003cdd.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/576969458fd94a4ebafdb65aa8003cdd-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/576969458fd94a4ebafdb65aa8003cdd-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/576969458fd94a4ebafdb65aa8003cdd-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/576969458fd94a4ebafdb65aa8003cdd-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >Ethernet \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c CRC \uc624\ub958\uac00 \uc911\uc694\ud55c \uc774\uc720<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud604\ub300 Ethernet \ub124\ud2b8\uc6cc\ud06c\ub294 Layer 2\uc5d0\uc11c \ud328\ud0b7 \uc2e0\ub8b0\ub3c4\ub97c \ud655\uc778\ud558\uae30 \uc704\ud574 CRC \uae30\ubc18\uc758 Frame Check Sequence (FCS) \uac80\uc99d\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2a4\uc704\uce58, \ub77c\uc774\ud130 \ub610\ub294 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/what-is-nic-network-interface-card\/\">NIC<\/a> \ubc1b\ub294 \ud504\ub808\uc784\uc774 \uc798\ubabb\ub41c CRC \uac12\uc744 \uac00\uc84c\uc744 \ub54c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ud504\ub808\uc784\uc740 \uc624\ub958\uac00 \uc788\ub294 \uac83\uc73c\ub85c \ud310\ub2e8\ub429\ub2c8\ub2e4.<\/p><\/li><li><p>\ud328\ud0b7\uc740 \ubc84\ub824\uc9d1\ub2c8\ub2e4.<\/p><\/li><li><p>\uc7ac\uc804\uc1a1\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li><li><p>\ub124\ud2b8\uc6cc\ud06c \uc131\ub2a5\uc774 \uc800\ud558\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub294 CRC \uce74\uc6b4\ud130\ub97c \uc8fc\uae30\uc801\uc73c\ub85c \ubaa8\ub2c8\ud130\ub9c1\ud558\ub294 \uc774\uc720\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc2a4\uc704\uce58 \ud3ec\ud2b8<\/p><\/li><li><p>SFP\/SFP+ \uc0c1\uc704 \ub9c1\ud06c<\/p><\/li><li><p>QSFP28 \ub370\uc774\ud130 \uc13c\ud130 \ub9c1\ud06c<\/p><\/li><li><p>\uad11\ud569\uc131 \uc2a4\uc704\uce58<\/p><\/li><li><p>\ucf54\uc5b4 Ethernet \uae30\ubc18 \uad6c\uc870<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uace0\uc18d 10G, 25G, 40G \ubc0f 100G \uc774\ub354\ub137 \ud658\uacbd\uc5d0\uc11c\ub294 \ubc18\ubcf5\ub418\ub294 CRC \uc624\ub958\uac00 \ub9c1\ud06c \ub0b4 \uc5b4\ub518\uac00\uc5d0\uc11c \uc2e0\ud638 \uc804\uc1a1\uc774 \ubd88\uc548\uc815\ud568\uc744 \uc77c\ubc18\uc801\uc73c\ub85c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >SFP \ubc0f \uc774\ub354\ub137 \ub9c1\ud06c\uc5d0\uc11c\uc758 \uc77c\ubc18\uc801\uc778 CRC \uc624\ub958 \uc2dc\ub098\ub9ac\uc624<\/h3>\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;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\uc7a5\uce58 \/ \uc2dc\ub098\ub9ac\uc624<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc77c\ubc18\uc801\uc778 \uc99d\uc0c1<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uac00\ub2a5\ud55c \uc6d0\uc778<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uba3c\uc800 \uc810\uac80\ud574\uc57c \ud560 \uc0ac\ud56d<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>SFP+ \uad11 \uc0c1\ud5a5 \ub9c1\ud06c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc99d\uac00\ud558\ub294 CRC \uce74\uc6b4\ud130<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc624\uc5fc\ub41c LC \ucee4\ub125\ud130<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uad11\uc12c\uc720 \ub2e8\uba74 \uccad\uc18c<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>QSFP28 100G \ub9c1\ud06c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud328\ud0b7 \ub4dc\ub86d<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uacfc\ub3c4\ud55c \uad11 \uc190\uc2e4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uad11 \ucd9c\ub825 \ub808\ubca8 \ud655\uc778<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uc774\ub354\ub137 \uc2a4\uc704\uce58 \ud3ec\ud2b8<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud504\ub808\uc784 \uc624\ub958<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uacb0\ud568 \uc788\ub294 \ud3ec\ud2b8 \ud558\ub4dc\uc6e8\uc5b4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ucf00\uc774\ube14\uc744 \ub2e4\ub978 \ud3ec\ud2b8\ub85c \uc774\ub3d9<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/direct-attach-cables-dac-in-networking\/\">DAC \ucf00\uc774\ube14<\/a> \uc5f0\uacb0<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uac04\ud5d0\uc801\uc778 CRC \uae09\uc99d<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc800\ud488\uc9c8 DAC \ucf00\uc774\ube14<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>DAC \ucf00\uc774\ube14 \uad50\uccb4<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uc7a5\uac70\ub9ac \uad11\uc12c\uc720 \ub9c1\ud06c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>CRC + \uc7ac\uc804\uc1a1<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc2e0\ud638 \uc555\ucd95<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc804\uc1a1 \uac70\ub9ac \uac80\uc99d<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\ud63c\ud569 \ubca4\ub354 \uad11\ud559 \uc7a5\uce58<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub9c1\ud06c \ubd88\uc548\uc815\uc131<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/how-to-test-sfp-compatibility\/\">SFP \ud638\ud658\uc131<\/a> \ubb38\uc81c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud14c\uc2a4\ud2b8 \uc778\uc99d \ubaa8\ub4c8<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >\uc2a4\uc704\uce58 \ud3ec\ud2b8\uc758 CRC \uc624\ub958<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uad00\ub9ac\ud615 \uc774\ub354\ub137 \uc2a4\uc704\uce58\uc5d0\uc11c CRC \uc624\ub958\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uc5d0\uc11c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc778\ud130\ud398\uc774\uc2a4 \ud1b5\uacc4<\/p><\/li><li><p>\ud3ec\ud2b8 \ubaa8\ub2c8\ud130\ub9c1 \ub300\uc2dc\ubcf4\ub4dc<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/simple-network-management-protocol-snmp-network-monitoring\/\">SNMP<\/a> \uce74\uc6b4\ud130<\/p><\/li><li><p>CLI \uc9c4\ub2e8 \uba85\ub839\uc5b4<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc2dc\uc2a4\ucf54 \uc2a4\uc704\uce58\ub294 \u201c\uc785\ub825 \uc624\ub958(input errors)\u201d \ubc0f \u201cCRC\u201d\ub97c \ud45c\uc2dc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4\u201d<\/p><\/li><li><p>\uc8fc\ub2c8\ud37c \uc7a5\uce58\ub294 \uc774\ub354\ub137 FCS \uc624\ub958\ub97c \ud45c\uc2dc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4<\/p><\/li><li><p>\ubbf8\ud06c\ub85c\ud2f0\ud06c(MikroTik) \ubc0f HPE \uc2a4\uc704\uce58\ub294 \ud504\ub808\uc784 \uccb4\ud06c \uc2e4\ud328\ub97c \ucd94\uc801\ud569\ub2c8\ub2e4<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">CRC \uce74\uc6b4\ud2b8\uac00 \uc2dc\uac04\uc774 \uc9c0\ub0a8\uc5d0 \ub530\ub77c \uacc4\uc18d \uc99d\uac00\ud558\ub294 \uacbd\uc6b0, \ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uc744 \uc870\uc0ac\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p>\uad11\uc12c\uc720 \uccad\uacb0\ub3c4<\/p><\/li><li><p>\ucf00\uc774\ube14 \ubb34\uacb0\uc131<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/478230.htm\">\uad11\ud559 \ubaa8\ub4c8<\/a> \ud638\ud658\uc131<\/p><\/li><li><p>\uc2a4\uc704\uce58 \ud3ec\ud2b8 \uc0c1\ud0dc<\/p><\/li><li><p>EMI \uac04\uc12d\uc6d0<\/p><\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" >SFP \ubaa8\ub4c8\uc774 CRC \uc624\ub958\ub97c \uc720\ubc1c\ud558\ub294 \uc77c\ubc18\uc801\uc778 \uc774\uc720<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \ubc0f <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/482749.htm\">QSFP \ud2b8\ub79c\uc2a4\uc2dc\ubc84\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/a> \ub9e4\uc6b0 \ub192\uc740 \uc2e0\ud638 \uc804\uc1a1 \uc18d\ub3c4\ub85c \uc791\ub3d9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>10G SFP+ = 10.3125 Gbps \ub77c\uc778 \uc18d\ub3c4<\/p><\/li><li><p>25G SFP28 = 25.78125 Gbps<\/p><\/li><li><p>100G QSFP28\uc740 4\uac1c\uc758 \uc804\uae30 \ub808\uc778\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \uc18d\ub3c4\uc5d0\uc11c\ub294 \ubb3c\ub9ac \uacc4\uce35\uc758 \uc0ac\uc18c\ud55c \ubb38\uc81c\uc870\ucc28\ub3c4 \ud328\ud0b7\uc744 \uc190\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \uad00\ub828 CRC \uc624\ub958\uc758 \uc77c\ubc18\uc801\uc778 \uc6d0\uc778\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ubd88\ub7c9\ud55c \uad11 \uc815\ub82c<\/p><\/li><li><p>\ub354\ub7ec\uc6b4 \uad11\uc12c\uc720 \uc810\ud504\uc120<\/p><\/li><li><p>\uacfc\ub3c4\ud55c \uc0bd\uc785 \uc190\uc2e4<\/p><\/li><li><p>\uacfc\uc5f4\ub41c \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/p><\/li><li><p>\uc9c0\uc6d0\ub418\uc9c0 \uc54a\ub294 \uad11\ud559 \ubaa8\ub4c8<\/p><\/li><li><p>\uc800\ud488\uc9c8 \ud0c0\uc0ac \uad11\ud559 \ubd80\ud488<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c \ub370\uc774\ud130\uc13c\ud130 \ubc0f \ud1b5\uc2e0\ub9dd\uc5d0\uc11c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uc744 \uc0ac\uc6a9\ud569\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\/ddm-dom-in-optical-transceivers\/\">DOM\/DDM<\/a> \uad11 \ubaa8\ub2c8\ud130\ub9c1<\/p><\/li><li><p>CRC \uce74\uc6b4\ud130 \ucd94\uc801<\/p><\/li><li><p>BER(<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/understanding-what-is-bit-error-rate\/\">\ube44\ud2b8 \uc624\ub958\uc728<\/a>) \ubd84\uc11d<\/p><\/li><li><p>\uad11 \ucd9c\ub825 \uc9c4\ub2e8<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc7a5\uc560 \ubc1c\uc0dd \uc804\uc5d0 \uace0\uc7a5 \uc704\ud5d8\uc774 \uc788\ub294 \ub9c1\ud06c\ub97c \uc0ac\uc804\uc5d0 \uc2dd\ubcc4\ud558\uae30 \uc704\ud574.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >CRC \uc624\ub958\ub294 \ub9c1\ud06c \uace0\uc7a5\uc758 \ucd08\uae30 \uc9d5\ud6c4\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CRC \uc624\ub958\ub294 \ub2e8\ub3c5\uc73c\ub85c \ub098\ud0c0\ub098\ub294 \uacbd\uc6b0\ub294 \ub4dc\ubb45\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\uc81c \ud658\uacbd\uc5d0\uc11c\ub294 \ubcf4\ud1b5 \ub2e4\uc74c\uc774 \ub4a4\ub530\ub985\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ud328\ud0b7 \uc7ac\uc804\uc1a1<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/what-is-throughput-in-network-communication-explained\/\">\ucc98\ub9ac\ub7c9<\/a> \uac10\uc18c<\/p><\/li><li><p>\uc9c0\uc5f0 \uc2dc\uac04 \uae09\uc99d<\/p><\/li><li><p>\uc778\ud130\ud398\uc774\uc2a4 \ud50c\ub798\ud551<\/p><\/li><li><p>\uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8\uc758 \ubd88\uc548\uc815\uc131<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \uc774\uc720\ub85c \uacbd\ud5d8\u4e30\u5bcc\u7684\u7f51\u7edc\u5de5\u7a0b\u5e08\ub4e4\uc740 \ubc18\ubcf5\ub418\ub294 CRC \uc624\ub958\ub97c \ucd08\uae30 \ub2e8\uacc4\uc758 \uae30\ubc18 \uad6c\ucd95 \uacbd\uace0\ub85c \uac04\uc8fc\ud558\ub294 \ub300\uc2e0, \uc18c\uadf9\uc801\uc778 \ud1b5\uacc4\uc801 \uc774\uc0c1\uc73c\ub85c \uac04\uc8fc\ud569\ub2c8\ub2e4. CRC \uce74\uc6b4\ud130\uac00 \uc0c1\uc2b9\ud558\uba74 Ethernet \ub9c1\ud06c\uc758 \ud488\uc9c8\uc774 \uc545\ud654\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udfe8 CRC \uc624\ub958 \ud574\uacb0 \ubc29\ubc95 \ub2e8\uacc4\ubcc4\ub85c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CRC \uc624\ub958\ub97c \uac00\uc7a5 \ube60\ub974\uac8c \ud574\uacb0\ud558\ub294 \ubc29\ubc95\uc740 \ubb3c\ub9ac \ub808\uc774\uc5b4\ub97c \uba3c\uc800 \uc9c4\ub2e8\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 Ethernet \ubc0f SFP \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c CRC \uc624\ub958\ub294 \ucf00\uc774\ube14 \ubb38\uc81c, \ub808\uc774\uc5b4\ub9c1 \ucee4\ub125\ud130\uc758 \ubd88\uacb0\ud568, \ud638\ud658\ub418\uc9c0 \uc54a\ub294 \uad11\ubd80\ud488, \uc2e0\ud638 \uc555\ucd95, \ub610\ub294 \uc2a4\uc704\uce58 \ud3ec\ud2b8\uc758 \uace0\uc7a5\uc73c\ub85c \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uad6c\uc870\ud654\ub41c \ubb38\uc81c \ud574\uacb0 \uacfc\uc815\uc740 \ub124\ud2b8\uc6cc\ud06c \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc774 \ud504\ub85c\ub355\uc158 \ud2b8\ub798\ud53d\uc5d0 \uc601\ud5a5\uc744 \uc8fc\ub294 \ud328\ud0b7 \uc190\uc2e4, \uc7ac\uc804\uc1a1, \ub9c1\ud06c \ubd88\uc548\uc815\uc131\uae4c\uc9c0 \uc601\ud5a5\uc744 \ubbf8\uce58\uc9c0 \uc54a\ub3c4\ub85d \ub8e8\ud2b8 \uc6d0\uc778\uc744 \ube60\ub974\uac8c \uc2dd\ubcc4\ud558\ub294 \ub370 \ub3c4\uc6c0\uc744 \uc90d\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\/abb042b8e2724eb6bbbbcf2e62982445.jpg\" alt=\"How to Troubleshoot CRC Errors Step by Step\" class=\"wp-image-7286\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/abb042b8e2724eb6bbbbcf2e62982445.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/abb042b8e2724eb6bbbbcf2e62982445-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/abb042b8e2724eb6bbbbcf2e62982445-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/abb042b8e2724eb6bbbbcf2e62982445-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/abb042b8e2724eb6bbbbcf2e62982445-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uba3c\uc800 \ud558\ub4dc\uc6e8\uc5b4 \uad50\uccb4 \uc804\uc5d0 \uac00\uc7a5 \uac04\ub2e8\ud55c \ubb3c\ub9ac\uc801 \uc810\uac80\uc744 \uc2dc\uc791\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\uccab \ubc88\uc9f8 \ub2e8\uacc4: \ucf00\uc774\ube14 \ubc0f \ubb3c\ub9ac\uc801 \uc5f0\uacb0 \ud655\uc778<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ucf00\uc774\ube14 \ubb38\uc81c\ub294 CRC \uc624\ub958\uc758 \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \uc6d0\uc778\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc810\uac80\ud558\uc2ed\uc2dc\uc624:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc5d4\ud2b8\ub9ac \ud3ec\ud2b8 \ucf00\uc774\ube14<\/p><\/li><li><p>\ub808\uc774\uc5b4\ub9c1 \ucee4\ub125\ud130<\/p><\/li><li><p>DAC\/<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/aoc-explained-active-optical-cable-benefits-uses-advancements-guide\/\">AOC \ucf00\uc774\ube14<\/a><\/p><\/li><li><p>LC \ucee4\ub125\ud130 \uc815\ub82c<\/p><\/li><li><p>\ucf00\uc774\ube14\uc758 \ubed1\uc784 \ubc18\uacbd<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \uc99d\uc0c1:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uac04\ud5d0\uc801\uc778 CRC \uae09\uc99d<\/p><\/li><li><p>\ud328\ud0b7 \uc7ac\uc804\uc1a1<\/p><\/li><li><p>\ub9c1\ud06c \ud50c\ub798\ud551<\/p><\/li><li><p>\ud1b5\uacfc\uc728 \uac10\uc18c<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uad11 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c, \ub9c8\uc774\ud06c\ub85c\uc18c\ud504\ud2b8 \uc624\uc5fc\uc740 \uc0bd\uc785 \uc190\uc2e4\uc744 \uc99d\uac00\uc2dc\ud0a4\uace0 \uad11 \uc2e0\ud638 \ud488\uc9c8\uc744 \uc800\ud558\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\ub450 \ubc88\uc9f8 \ub2e8\uacc4: SFP \ub610\ub294 QSFP \ubd80\ud488 \ud638\ud658\uc131 \ud655\uc778<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uae30\uc5c5 \uc2a4\uc704\uce58\uc5d0\uc11c \ud638\ud658\ub418\uc9c0 \uc54a\ub294 \uad11\ubd80\ud488\uc740 CRC \ubc0f FCS \uc624\ub958\ub97c \uc790\uc8fc \ubc1c\uc0dd\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc810\uac80\ud558\uc2ed\uc2dc\uc624:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ubca4\ub354 \ud638\ud658\uc131<\/p><\/li><li><p>\uc804\uc1a1 \ube5b\uc758 \ud30c\uc7a5<\/p><\/li><li><p>\uad11\uc120 \uc720\ud615<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/ieee-802-3-ethernet-standard-explained\/\">SMF\/ MMF<\/a>)<\/p><\/li><li><p>DOM\/ DDM \uc810\uac80<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/optical-transceivers-operating-temperature-range\/\">\uc791\ub3d9 \uc628\ub3c4<\/a><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/473141.htm\">10GBASE-SR<\/a> \ub2e4\uc774\ubaa8\ub4dc \uad11\uc120\uc744 \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0<\/p><\/li><li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476046.htm\">10GBASE-LR<\/a> \ub2e8\uc77c \ubaa8\ub4dc \uad11\uc120\uc744 \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uad11\ubd80\ud488\uc758 \ubd88\uc77c\uce58\uac00 \uc778\ud130\ud398\uc774\uc2a4\uac00 \u201c\uc5c5\u201d \uc0c1\ud0dc\uc77c \ub54c\uc5d0\ub3c4 \ub9c1\ud06c\uac00 \ubd88\uc548\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\u201d<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\uc138 \ubc88\uc9f8 \ub2e8\uacc4: \uc2a4\uc704\uce58 \ud3ec\ud2b8\uc5d0\uc11c CRC \uce74\uc6b4\ud130\ub97c \ubaa8\ub2c8\ud130\ub9c1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uad00\ub9ac \uc2a4\uc704\uce58\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ud56d\ubaa9\uc744 \uc9c0\uc18d\uc801\uc73c\ub85c \ucd94\uc801\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>CRC \uc624\ub958<\/p><\/li><li><p>FCS \uc624\ub958<\/p><\/li><li><p>\uc785\ub825 \uc624\ub958<\/p><\/li><li><p>\uc778\ud130\ud398\uc774\uc2a4 \ub2e4\uc6b4<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2dc\uac04\uc774 \uc9c0\ub098\uba74 CRC \uce74\uc6b4\ud130\uac00 \uc99d\uac00\ud558\uba74:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub9c1\ud06c \uc591\ucabd \ub05d\uc5d0\uc11c \ube44\uad50\ud558\uc2ed\uc2dc\uc624<\/p><\/li><li><p>\ucf00\uc774\ube14\uc744 \ub2e4\ub978 \ud3ec\ud2b8\ub85c \uc774\ub3d9\ud558\uc5ec \ud14c\uc2a4\ud2b8\ud558\uc2ed\uc2dc\uc624<\/p><\/li><li><p>\ub2e4\ub978 \uc804\uc1a1\ubd80\ud488\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud14c\uc2a4\ud2b8\ud558\uc2ed\uc2dc\uc624<\/p><\/li><li><p>\uc624\ub958\uac00 \ucf00\uc774\ube14\uacfc \ud3ec\ud2b8 \uc911 \uc5b4\ub290 \uacf3\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubbf8\ud06c\ub85c \uc815\uc758<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>CRC \uce74\uc6b4\ud130:<\/strong> \uc778\ud130\ud398\uc774\uc2a4\uc5d0\uc11c \uac10\uc9c0\ub41c \uc624\ub958\ub41c \ud504\ub808\uc784\uc758 \uc218.<\/p><\/li><li><p><strong>FCS \uc624\ub958:<\/strong> \uc5d4\ud2b8\ub9ac \ud504\ub808\uc784\uc774 CRC \uc720\ud6a8\uc131 \uac80\uc0ac\uc5d0 \uc2e4\ud328\ud55c \uacbd\uc6b0.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >\ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c\uc758 \uc624\ub958 \ud574\uacb0 \uacfc\uc815\uc758 \ub9c8\uc9c0\ub9c9 \ub2e8\uacc4: \uad11 \uc190\uc2e4 \ubc0f \uc804\uc1a1 \uac70\ub9ac \ud655\uc778<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e0\ud638 \uc555\ucd95\uc774 \uc99d\uac00\ud558\ub294 \uc774\uc720\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>25G SFP28<\/p><\/li><li><p>100G QSFP28<\/p><\/li><li><p>\uae34 \uac70\ub9ac \uc12c\uc720 \ub9c1\ud06c<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uacfc\ub3c4\ud55c \uc0bd\uc785 \uc190\uc2e4\uc740 \ube44\ud2b8 \uc624\ub958 \ub808\uc774\ud2b8(BER)\ub97c \uc99d\uac00\uc2dc\ucf1c \ucd5c\uc885\uc801\uc73c\ub85c CRC \ud504\ub808\uc784 \uc624\ub958\ub97c \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\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>\ubaa8\ub4c8 \uc778\uc2dd<\/p><\/li><li><p>\ub808\uc774\uc800 \uae38\uc774<\/p><\/li><li><p>\ucee4\ub125\ud130 \uc190\uc2e4<\/p><\/li><li><p>\ud328\uce58 \ud328\ub110 \ud488\uc9c8<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ube60\ub978 \uc5d4\ud2b8\ub9ac \ub124\ud2b8\uc6cc\ud06c \ud658\uacbd\uc5d0\uc11c, \uc791\uc740 \uad11\ud559 \ub9c8 margin \uac10\uc18c\ub294 \ubc18\ubcf5\ub418\ub294 CRC \uc624\ub958\ub97c \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >5\ub2e8\uacc4: \uc2a4\uc704\uce58 \ub85c\uadf8\uc640 \uc778\ud130\ud398\uc774\uc2a4 \uc54c\ub9bc\uc744 \uac80\ud1a0\ud558\uc2ed\uc2dc\uc624<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uae30\uc5c5\uc6a9 \uc2a4\uc704\uce58\ub294 \uce90\uc2dc\ucf54, \ubdf0\uc800 \ub124\ud2b8\uc6cc\ud06c, \uc544\ub9ac\uc2a4 \ub124\ud2b8\uc6cc\ud06c \ub4f1\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \ud68c\uc0ac\ub4e4\uc774 \uc81c\uacf5\ud558\ub294 \uc138\ubd80\uc801\uc778 \uc778\ud130\ud398\uc774\uc2a4 \ub514agnostics\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac80\ud1a0\ud558\uc2ed\uc2dc\uc624:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc778\ud130\ud398\uc774\uc2a4 \ub9ac\uc14b \uc0ac\uac74<\/p><\/li><li><p>\ub9c1\ud06c \uc548\uc815\uc131 \uacbd\uace0<\/p><\/li><li><p>DOM \uacbd\uace0<\/p><\/li><li><p>\uc628\ub3c4 \uacbd\uace0<\/p><\/li><li><p>\ud328\ud0b7 \ub4dc\ub86d \ud1b5\uacc4<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc18\ubcf5\ub418\ub294 CRC \uacbd\uace0\uc640 \uc778\ud130\ud398\uc774\uc2a4 \uc624\ub958\uac00 \uc810\ucc28 \uc99d\uac00\ud558\uba74 \ubb3c\ub9ac \ub9c1\ud06c\uac00 \uc545\ud654\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\uc2e4\uc6a9\uc801\uc778 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc9c0\uc2dd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\uc81c \ub370\uc774\ud130 \uc13c\ud130 \ubc30\ud3ec\uc5d0\uc11c\ub294 CRC \ubb38\uc81c \ud574\uacb0\uc740 \uac04\ub2e8\ud55c \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc6d0\uce59\uc744 \ub530\ub974\ub294 \uac83\uc774 \uc77c\ubc18\uc801\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>CRC \uc624\ub958\uac00 \ucf00\uc774\ube14\uc774\ub098 \ud2b8\ub79c\uc2dc\ubc84\uc640 \ud568\uaed8 \uc774\ub3d9\ud558\uba74 \uc2a4\uc704\uce58 \uc678\ubd80 \ubb38\uc81c\uc77c \uac00\ub2a5\uc131\uc774 \ub192\uc2b5\ub2c8\ub2e4 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/glossary\/what-is-application-specific-integrated-circuit-asic\/\">ASIC<\/a>.<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9ce\uc740 \ub124\ud2b8\uc6cc\ud06c \ud300\uc740 \uc9c0\uc18d\uc801\uc778 CRC \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud574 \ub2e4\uc74c\uacfc \uac19\uc740 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uc800\ud488\uc9c8 DAC \ucf00\uc774\ube14\uc744 \uad50\uccb4\ud569\ub2c8\ub2e4<\/p><\/li><li><p>\uad11\uc120 \ucee4\ub125\ud130\ub97c \uccad\uc18c\ud569\ub2c8\ub2e4<\/p><\/li><li><p>\uc778\uc99d\ub41c SFP \ubaa8\ub4c8\uc744 \ud45c\uc900\ud654\ud569\ub2c8\ub2e4<\/p><\/li><li><p>\uc9c0\uc6d0\ub418\uc9c0 \uc54a\ub294 \ub2e4\uc774\ub809\ud2b8 \ub77c\uc774\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub192\uc740 \ubc00\ub3c4 25G \ubc0f 100G \ud658\uacbd\uc5d0\uc11c \uc608\ubc29\uc801\uc778 \uad11\ud559 \uc720\uc9c0\ubcf4\uc218\ub294 CRC \uad00\ub828 \uc624\ub958\uc640 \uc7ac\uc804\uc1a1 \uc0ac\uac74\uc744 \ud06c\uac8c \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udfe8 \uace0\uc18d \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c CRC \uc624\ub958\ub97c \uc608\ubc29\ud558\ub294 \ubc29\ubc95<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CRC \uc624\ub958\ub97c \uc608\ubc29\ud558\ub294 \uac00\uc7a5 \uc88b\uc740 \ubc29\ubc95\uc740 \uc804\uccb4 \uc5d4\ud2b8\ub9ac \ub9c1\ud06c\uc5d0\uc11c \uc548\uc815\uc801\uc778 \ubb3c\ub9ac \ub808\uc774\uc5b4 \uc2e0\ud638 \ud488\uc9c8\uc744 \uc720\uc9c0\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \ube60\ub978 \uc5d4\ud2b8\ub9ac 10G, 25G, 100G \ubc0f 400G \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c CRC \ubb38\uc81c\ub294 \uc778\uc99d\ub41c SFP\/QSFP \ubaa8\ub4c8\uc744 \uc0ac\uc6a9\ud558\uace0, \uad11\uc120 \ucee4\ub125\ud130\ub97c \uccad\uc18c\ud558\uace0, \uad11\ud559 \uc190\uc2e4\uc744 \uc81c\uc5b4\ud558\uace0, \uc778\ud130\ud398\uc774\uc2a4 CRC \uce74\uc6b4\ud130\ub97c \ubaa8\ub2c8\ud130\ub9c1\ud558\uace0, \ucf00\uc774\ube14\ub9c1\uacfc \ud2b8\ub79c\uc2dc\ubc84 \ubc30\uce58\ub97c \ud45c\uc900\ud654\ud558\ub294 \uac83\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ubc29 \uc720\uc9c0\ubcf4\uc218\ub294 \uc2e4\ud328 \ud6c4 \ubc18\ubcf5\uc801\uc778 \ud328\ud0b7 \uc624\ub958\ub97c \ud574\uacb0\ud558\uae30\ubcf4\ub2e4 \ud6a8\uacfc\uc801\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\/3fef055439ef45a789f090869021f42b.jpg\" alt=\"How to Prevent CRC Errors in High-Speed Networks\" class=\"wp-image-7287\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3fef055439ef45a789f090869021f42b.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3fef055439ef45a789f090869021f42b-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3fef055439ef45a789f090869021f42b-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3fef055439ef45a789f090869021f42b-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3fef055439ef45a789f090869021f42b-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc18\ubcf5\ub418\ub294 CRC \uc624\ub958\ub294 \uc801\uc808\ud55c \uad11\ud559 \ubc0f \ucf00\uc774\ube14\ub9c1 \uad00\ub9ac\ub85c \uc608\ubc29\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\uc77c\uce58\ud558\ub294 \uad11\ud559 \ubaa8\ub4c8\uacfc \ucf00\uc774\ube14\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CRC \uc624\ub958\uc758 \uac00\uc7a5 \ud754\ud55c \uc6d0\uc778 \uc911 \ud558\ub098\ub294 \ubd80\uc801\ud569\ud558\uac70\ub098 \uc800\ud488\uc9c8\uc758 \uad11\ud559 \ud558\ub4dc\uc6e8\uc5b4\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud56d\uc0c1 \ub2e4\uc74c\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>SFP\/SFP+ \ud638\ud658\uc131<\/p><\/li><li><p>\uad11\uc12c\uc720 \uc885\ub958(SMF \ub610\ub294 MMF)<\/p><\/li><li><p>\ud30c\uc7a5 \uc77c\uce58 \uc5ec\ubd80<\/p><\/li><li><p>\ucee4\ub125\ud130 \uc720\ud615<\/p><\/li><li><p>\uc774\ub354\ub137 \ud45c\uc900 \uc9c0\uc6d0 \uc5ec\ubd80<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 218px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"218\"><p>\uad11\ud559 \ud45c\uc900<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uad11\uc12c\uc720 \uc720\ud615<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc77c\ubc18\uc801\uc778 \uac70\ub9ac<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"218\"><p>10GBASE-SR<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub2e4\uc911\ubaa8\ub4dc \uad11\uc12c\uc720(MMF)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ucd5c\ub300 300m<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"218\"><p>10GBASE-LR<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ucd5c\ub300 40km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ucd5c\ub300 10km<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"218\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/473141.htm\">25GBASE-SR<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>MMF<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ucd5c\ub300 100m<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"218\"><p>100G <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/488423.htm\">QSFP28 LR4<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SMF<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ucd5c\ub300 10km<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc9c0\uc6d0\ub418\uc9c0 \uc54a\ub294 \uad11\ud559 \ubd80\ud488\uc774\ub098 \uc798\ubabb\ub41c \uad11\uc12c\uc720 \uc885\ub958\ub97c \uc0ac\uc6a9\ud558\uba74 \ub9c1\ud06c\uac00 \uc815\uc0c1 \uc791\ub3d9 \uc911\uc774\ub77c\ub3c4 \uac04\ud5d0\uc801\uc778 CRC \ubc0f FCS \uc624\ub958\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Keep Fiber End Faces Clean<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub354\ub7ec\uc6b4 \uad11\ud559 \ucee4\ub125\ud130\ub294 \ub370\uc774\ud130\uc13c\ud130\uc5d0\uc11c CRC \uc624\ub958\uc758 \uc8fc\uc694 \uc6d0\uc778 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc624\uc5fc\uc740 \ub2e4\uc74c\uc744 \ud3ec\ud568\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\uba3c\uc9c0 \uc785\uc790<\/p><\/li><li><p>\uc190\uac00\ub77d \uae30\ub984<\/p><\/li><li><p>\uc138\uc815 \uc794\uc5ec\ubb3c<\/p><\/li><li><p>\uacf5\uc911 \ubd80\uc720 \uc774\ubb3c\uc9c8<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ubbf8\uc138\ud55c \uc624\uc5fc\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>\uc0bd\uc785 \uc190\uc2e4 \uc99d\uac00<\/p><\/li><li><p>\uad11 \uc2e0\ud638 \ud488\uc9c8 \uc800\ud558<\/p><\/li><li><p>\ube44\ud2b8 \uc624\ub958\uc728(BER) \uc0c1\uc2b9<\/p><\/li><li><p>CRC \ud504\ub808\uc784 \uc190\uc0c1 \uc720\ubc1c<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubaa8\ubc94 \uc0ac\ub840<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc810\uac80 \ubc0f \uccad\uc18c \ub300\uc0c1:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>LC \ucee4\ub125\ud130<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ko\/knowledge-center\/understanding-polarity-in-mtp-mpo-system-for-signal-integrity\/\">MPO\/MTP<\/a> \uc778\ud130\ud398\uc774\uc2a4<\/p><\/li><li><p>\ud328\uce58 \ud328\ub110<\/p><\/li><li><p>\ub808\uc774\uc5b4\ub9c1 \ucee4\ub125\ud130<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc124\uce58 \uc804 \ubc0f \uc815\ube44 \uc8fc\uae30 \uc911\uc5d0 \uc2e4\uc2dc\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Monitor CRC Counters Before Failures Occur<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc219\ub828\ub41c \ub124\ud2b8\uc6cc\ud06c \ud300\uc740 CRC \ud1b5\uacc4\ub97c \ud655\uc778\ud558\uae30 \uc704\ud574 \uc7a5\uc560 \ubc1c\uc0dd\uc744 \uae30\ub2e4\ub9ac\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2dc\uc2a4\ucf54, \uc8fc\ub2c8\ud37c \ub124\ud2b8\uc6cd\uc2a4, \uc544\ub9ac\uc2a4\ud0c0 \ub124\ud2b8\uc6cd\uc2a4\uc758 \ucd5c\uc2e0 \uc2a4\uc704\uce58\ub294 \ub2e4\uc74c\uc5d0 \ub300\ud55c \uc9c0\uc18d\uc801\uc778 \uc778\ud130\ud398\uc774\uc2a4 \ubaa8\ub2c8\ud130\ub9c1\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>CRC \uc624\ub958<\/p><\/li><li><p>FCS \uc624\ub958<\/p><\/li><li><p>\ud328\ud0b7 \ub4dc\ub86d<\/p><\/li><li><p>BER \ucd94\uc138<\/p><\/li><li><p>\uad11\ud559 DOM \uba54\ud2b8\ub9ad<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubbf8\ud06c\ub85c \uc815\uc758<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>CRC \uce74\uc6b4\ud130:<\/strong> \uc778\ud130\ud398\uc774\uc2a4\uc5d0\uc11c \ud0d0\uc9c0\ub41c \uc190\uc0c1\ub41c \uc774\ub354\ub137 \ud504\ub808\uc784 \uc218\ub97c \ucd94\uc801\ud569\ub2c8\ub2e4.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc11c\uc11c\ud788 \uc99d\uac00\ud558\ub294 CRC \uce74\uc6b4\ud130\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ucd08\uae30 \uad11\ud559\uc801 \uc5f4\ud654<\/p><\/li><li><p>\ucf00\uc774\ube14 \ub178\ud6c4\ud654<\/p><\/li><li><p>\ud3ec\ud2b8 \ubd88\uc548\uc815\uc131<\/p><\/li><li><p>\uc57d\ud55c \uc2e0\ud638 \uc5ec\uc720<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \ucd94\uc138\ub97c \uc870\uae30\uc5d0 \ud0d0\uc9c0\ud558\uba74 \ub300\uaddc\ubaa8 \ub124\ud2b8\uc6cc\ud06c \uc7a5\uc560\ub97c \uc608\ubc29\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Control Optical Loss and Link Budget<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uace0\uc18d \uc774\ub354\ub137 \ub9c1\ud06c\ub294 \uc5c4\uaca9\ud55c \uad11\ud559 \ucd9c\ub825 \uc804\ub825 \uc694\uad6c\uc0ac\ud56d\uc744 \uac16\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc548\uc815\uc801\uc778 \uc804\uc1a1\uc744 \uc704\ud574\uc11c\ub294:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ucd1d \uc0bd\uc785 \uc190\uc2e4\uc774 \uc0ac\uc591 \ubc94\uc704 \ub0b4\uc5d0 \uc720\uc9c0\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p><\/li><li><p>\uad11\uc12c\uc720 \uad74\uace1\uc744 \ucd5c\uc18c\ud654\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p><\/li><li><p>\ud328\uce58 \ud328\ub110 \uc190\uc2e4\uc744 \uc81c\uc5b4\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p><\/li><li><p>\ucee4\ub125\ud130 \ubc18\uc0ac\ub97c \uc904\uc5ec\uc57c \ud569\ub2c8\ub2e4<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">25G \ubc0f 100G \uc774\ub354\ub137 \ud658\uacbd\uc5d0\uc11c\ub294 \uc791\uc740 \uad11 \uc5ec\uc720 \uc190\uc2e4\uc774 CRC \uc624\ub958\ub97c \ud06c\uac8c \uc99d\uac00\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\ub124\ud2b8\uc6cc\ud06c \uc804\ubc18\uc5d0 \uac78\uccd0 \uc778\ud504\ub77c \ud45c\uc900\ud654<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ubca4\ub354\uac00 \ud63c\ud569\ub41c \uad6c\ucd95 \ud658\uacbd\uc5d0\uc11c\ub294 \uc0c1\ud638 \uc6b4\uc6a9\uc131 \ubb38\uc81c\ub85c \uc778\ud574 CRC \ubd88\uc548\uc815\uc131\uc774 \uc99d\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9ce\uc740 \uae30\uc5c5 \uc6b4\uc601\uc790\ub294 \ub2e4\uc74c \uc0ac\ud56d\uc744 \ud45c\uc900\ud654\ud568\uc73c\ub85c\uc368 CRC \uad00\ub828 \ubb38\uc81c\ub97c \uc904\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>SFP \uacf5\uae09\uc5c5\uccb4<\/p><\/li><li><p>DAC \ucf00\uc774\ube14 \uc720\ud615<\/p><\/li><li><p>\uad11\uc12c\uc720 \uc778\ud504\ub77c<\/p><\/li><li><p>\uc5d4\ud2b8\ub9ac\ud504\ub808\uc784 \ubc84\uc804 \uc804\ud658<\/p><\/li><li><p>\uad11\ud559 \ubaa8\ub2c8\ud130\ub9c1 \uc815\ucc45<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uace0\ubc00\ub3c4 AI \ud074\ub7ec\uc2a4\ud130, \ud074\ub77c\uc6b0\ub4dc \ub370\uc774\ud130 \uc13c\ud130 \ubc0f \ud1b5\uc2e0 \ud658\uacbd\uc5d0\uc11c, \uc608\ubc29\uc801\uc778 CRC \ubc29\uc9c0\uac00 \uc7a5\uae30\uc801\uc778 \ub124\ud2b8\uc6cc\ud06c \uc2e0\ub8b0\uc131 \uc124\uacc4\uc758 \uc77c\ubd80\ub85c \uc5ec\uaca8\uc9c0\uba70 \ub2e8\uc21c \ud2b8\ub808\uc774\uc2f1\uacfc\ub294 \ubcc4\uac1c\ub85c \uc5ec\uaca8\uc9c4\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >CRC \uc624\ub958 \uad00\ub828 \uc790\uc8fc \ubb3b\ub294 \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\/0206ba3ba89843bc8c16058db0a4e13b.jpg\" alt=\"FAQ About CRC Errors\" class=\"wp-image-7288\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0206ba3ba89843bc8c16058db0a4e13b.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0206ba3ba89843bc8c16058db0a4e13b-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0206ba3ba89843bc8c16058db0a4e13b-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0206ba3ba89843bc8c16058db0a4e13b-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0206ba3ba89843bc8c16058db0a4e13b-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >Q1: \uc65c \uac11\uc790\uae30 \uc2a4\uc704\uce58 \ud3ec\ud2b8\uc5d0\uc11c CRC \uc624\ub958\ub97c \ubcf4\uac8c \ub418\ub294\uac00?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CRC \uc624\ub958\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc2a4\uc704\uce58\uac00 \uc624\ub958\uac00 \uc788\ub294 \uc5d4\ud2b8\ub9ac\ud504\ub808\uc784 \ud504\ub808\uc784\uc744 \uc218\uc2e0\ud558\ub294 \uacbd\uc6b0\uc774\ub2e4. \ub300\ubd80\ubd84\uc758 \uacbd\uc6b0 \ubb38\uc81c\ub294 \ubb3c\ub9ac \ub808\uc774\uc5b4 \uad00\ub828\uc774\uba70, \uc608\ub97c \ub4e4\uc5b4, \ubd88\uacb0\ud55c \ub808\uc774\uc5b4 \ucee4\ub125\ud130, \uc190\uc0c1\ub41c \ucf00\uc774\ube14, \ubd88\uc548\uc815\ud55c SFP \ubaa8\ub4c8, \uc2e0\ud638 \uc555\ucd95 \ub4f1\uc774 \uc6d0\uc778\uc77c \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uae30\uc5c5 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c, \ub192\uc740 CRC \uce74\uc6b4\ud130\ub294 \ub9c1\ud06c \uc624\uc5fc\uc774 \uc2dc\uc791\ub418\uae30 \uc804\uc5d0 \ub9c1\ud06c \uc624\uc5fc\uc758 \uc2e0\ud638\uc77c \uac00\ub2a5\uc131\uc774 \ub192\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CRC \uc624\ub958\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc804\uc1a1 \ubb38\uc81c\uc5d0 \ub300\ud55c \uc9c0\uc2dc\uc77c \ubfd0, \uc18c\ud504\ud2b8\uc6e8\uc5b4 \ubb38\uc81c\ub294 \uc544\ub2d8.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Q2: CRC\ub294 \ub124\ud2b8\uc6cc\ud06c \uc624\ub958\ub97c \uac10\uc9c0\ud558\ub294 \ub370 \ub354 \ub098\uc740\uc9c0?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub124. CRC\ub294 \uc804\ud1b5\uc801\uc778 \uccb4\ud06c\uc18c\ud504\ud2b8\ubcf4\ub2e4 \ub354 \uc2e0\ub8b0\uc131\uc774 \ub192\uc73c\uba70, Ethernet \ubc0f \uad11 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \ubc1c\uacac\ub418\ub294 \ubc84\uc2a4\ud2b8 \uc624\ub958\ub97c \uac10\uc9c0\ud558\ub294 \ub370 \ub354 \ud6a8\uacfc\uc801\uc774\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\uae30\uc220<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uac10\uc9c0 \ub2a5\ub825<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uc77c\ubc18\uc801\uc778 \uc0ac\uc6a9<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\uccb4\ud06c\uc18c\ud504\ud2b8<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uae30\ubcf8<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ud30c\uc77c, \uac04\ub2e8\ud55c \ud504\ub85c\ud1a0\ucf5c<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>CRC<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uace0\uae09<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uc5d4\ud2b8\ub9ac\ud504\ub808\uc784, SFP \ub124\ud2b8\uc6cc\ud06c<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>ECC<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uac10\uc9c0 + \uc218\uc815<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uba54\ubaa8\ub9ac, \uc2a4\ud1a0\ub9ac\uc9c0<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub294 \ud604\ub300 \uc5d4\ud2b8\ub9ac\ud504\ub808\uc784 \uc2a4\ud150\ub4dcards\uac00 CRC \uae30\ubc18 \ud504\ub808\uc784 \uccb4\ud06c \uc138QUENCE (FCS) \uc720\ud2f8\ub9ac\ud2f0\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub124\ud2b8\uc6cc\ud06c \uc624\ub958\ub97c \uac10\uc9c0\ud558\ub294 \ub370 \uc0ac\uc6a9\ud558\ub294 \uc774\uc720\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Q3: \uc624\ub79c \uc2dc\uac04 \ub3d9\uc548 CRC \uc624\ub958\uac00 \ubc1c\uc0dd\ud558\ub294 \ub370 \ubb38\uc81c\uac00 \uc788\ub294 SFP \ubaa8\ub4c8\uc774 \uc788\ub098?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub124. \uad11 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \ubd88\uc548\uc815\ud558\uac70\ub098 \ubd80\uc801\ud569\ud55c SFP\/SFP+ \ubaa8\ub4c8\uc740 CRC \uc624\ub958\ub97c \uc720\ubc1c\ud558\ub294 \uc8fc\uc694 \uc6d0\uc778 \uc911 \ud558\ub098\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \uc6d0\uc778\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ubd88\uacb0\ud55c LC \ucee4\ub125\ud130<\/p><\/li><li><p>\ud5a5\uc0c1\ub41c \uad11 \uc2e0\ud638 \ud488\uc9c8<\/p><\/li><li><p>\uc9c0\uc6d0\ub418\uc9c0 \uc54a\ub294 \uad11\ud559 \uae30\uc220<\/p><\/li><li><p>\ud488\uc9c8\uc774 \ub0ae\uc740 DAC \ucf00\uc774\ube14<\/p><\/li><li><p>\uacfc\uc5f4\ub41c \ud2b8\ub79c\uc2a4\uc2dc\ubc84<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">10G, 25G, 100G \uc5d4\ud2b8\ub9ac\ud504\ub808\uc784 \uc18d\ub3c4\uc5d0\uc11c, \uc791\uc740 \uc2e0\ud638 \ud488\uc9c8 \ubb38\uc81c\ub294 \ud504\ub808\uc784\uc744 \uc624\uc5fc\uc2dc\ud0ac \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Q4: 25G \ubc0f 100G \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c CRC \uc624\ub958\uac00 \ub354 \uc790\uc8fc \ubc1c\uc0dd\ud558\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc778\uac00?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub192\uc740 \uc18d\ub3c4\uc758 \uc5d4\ud2b8\ub9ac\ud504\ub808\uc784 \ub9c1\ud06c\ub294 \ub9e4\uc6b0 \ub0ae\uc740 \uc2e0\ud638 \ud3b8\uad11 \ubc94\uc704\ub97c \uc694\uad6c\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">25G SFP28 \ubc0f 100G QSFP28 \ud658\uacbd\uc5d0\uc11c, \ubbf8\uc138\ud55c \uad11 \uc2e0\ud638 \uc190\uc2e4, \ucee4\ub125\ud130 \uc624\uc5fc, \uc0bd\uc785 \uc190\uc2e4 \ub4f1\uc774 \ube60\ub974\uac8c Bit Error Rate (BER)\ub97c \uc99d\uac00\uc2dc\ucf1c CRC \ud504\ub808\uc784 \uc624\ub958\ub97c \uc720\ubc1c\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\ub192\uc740 \ub124\ud2b8\uc6cc\ud06c \uc18d\ub3c4\ub294 \ub354 \uae68\ub057\ud558\uace0 \uc548\uc815\uc801\uc778 \ubb3c\ub9ac \ub9c1\ud06c\uac00 \ud544\uc694\ud558\ub2e4.<\/p><\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" >Q5: CRC \uc624\ub958\ub294 \ub9c1\ud06c\uac00 \uc720\uc9c0\ub418\ub294 \ub3d9\uc548 \ub124\ud2b8\uc6cc\ud06c\ub97c \ub290\ub9ac\uac8c \ud558\uae30 \ub54c\ubb38\uc5d0?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Yes. \ub9c1\ud06c\ub294 \uc624\ub958\uac00 \uc788\ub294 \ud504\ub808\uc784\uc774 \uacc4\uc18d\uc801\uc73c\ub85c \ubc84\ub824\uc9c0\uace0 \uc7ac\uc804\uc1a1\ub418\ub294 \ub3d9\uc548 \uc9c0\uc18d\uc801\uc73c\ub85c \uc791\ub3d9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub294 \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>\ub354 \ub192\uc740 \uc9c0\uc5f0<\/p><\/li><li><p>\ud1b5\uacfc\uc728 \uac10\uc18c<\/p><\/li><li><p>TCP \uc7ac\uc804\uc1a1<\/p><\/li><li><p>\uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8\uc758 \ubd88\uc548\uc815\uc131<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9ce\uc740 \uacbd\uc6b0, \uc778\ud130\ud398\uc774\uc2a4\uac00 \uc2e4\uc81c\ub85c \ub2e4\uc6b4\ud558\uc9c0 \uc54a\ub354\ub77c\ub3c4 \uc0ac\uc6a9\uc790\ub4e4\uc740 \u201c\ub290\ub9ac\uac8c \ub41c \ub124\ud2b8\uc6cc\ud06c \uc131\ub2a5\u201d\uc744 \uba3c\uc800 \ub290\ub07c\uac8c \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Q6: \ub808\uc774\uc800 \ub9c1\ud06c\uc5d0\uc11c CRC \uc624\ub958\ub97c \uac00\uc7a5 \ube60\ub974\uac8c \uc218\uc815\ud558\ub294 \ubc29\ubc95\uc740 \ubb34\uc5c7\uc778\uac00?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub300\ubd80\ubd84\uc758 \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc740 \uc774 \uc21c\uc11c\ub85c CRC \uc624\ub958\ub97c \ud574\uacb0\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 219px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"219\"><p>\uc6b0\uc120\uc21c\uc704<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\uad8c\uc7a5\ub41c \uc870\uce58<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"219\"><p>1<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ube5b \uc804\uc120 \ucee4\ub125\ud130\ub97c \uccad\uc18c<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"219\"><p>2<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ube14\ub799 \uceec\ub7ec \uceec\ub7ec \ucf00\uc774\ube14\uc744 \uad50\uccb4<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"219\"><p>3<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SFP \ubaa8\ub4c8\uc744 \uad50\uccb4<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"219\"><p>4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\uad11 \ucd9c\ub825 \ub808\ubca8 \ud655\uc778<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"219\"><p>5<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\ub2e4\ub978 \uc2a4\uc704\uce58 \ud3ec\ud2b8\ub97c \uad50\uccb4<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ubb3c\ub9ac \ub808\uc774\uc5b4 \uccab\uc9f8\ub85c \uc811\uadfc\ud558\uba74 Ethernet \ubc0f SFP \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \ub300\ubd80\ubd84\uc758 CRC \ubb38\uc81c\ub97c \ud574\uacb0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udfe8 \uacb0\ub860: \ud604\ub300 Ethernet \ubc0f SFP \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c CRC \ubaa8\ub2c8\ud130\ub9c1\uc774 \uc911\uc694\ud55c \uc774\uc720<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CRC (cyclic redundancy check)\ub294 \ud604\ub300 Ethernet \ud1b5\uc2e0\uc5d0\uc11c \ub370\uc774\ud130\uc758 \uc815\ud655\uc131\uc744 \ubcf4\ud638\ud558\ub294 \ub370 \uac00\uc7a5 \uc911\uc694\ud55c \uae30\ub2a5 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \uae30\uc5c5 \uc2a4\uc704\uce58, \uc0b0\uc5c5 \ub124\ud2b8\uc6cc\ud06c, AI \ud074\ub7ec\uc2a4\ud130, \uadf8\ub9ac\uace0 \ube60\ub978 \ube5b \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c CRC\uc740 \ud328\ud0b7\uc774 \uc624\ub958\ub97c \uacaa\uc744 \ub54c\uae4c\uc9c0\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\uc9c0 \uc54a\ub3c4\ub85d \uac10\uc9c0\ud558\ub294 \uc5ed\ud560\uc744 \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\/2766fa34efb2466db9faf2fda19e1140.jpg\" alt=\"Why CRC Monitoring Matters in Modern Ethernet and SFP Networks\" class=\"wp-image-7289\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2766fa34efb2466db9faf2fda19e1140.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2766fa34efb2466db9faf2fda19e1140-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2766fa34efb2466db9faf2fda19e1140-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2766fa34efb2466db9faf2fda19e1140-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2766fa34efb2466db9faf2fda19e1140-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\ubb34\uc5d0\uc11c \ubc18\ubcf5\ub418\ub294 CRC \uc624\ub958\ub294 \ubb34\uc791\uc704\uac00 \uc544\ub2d9\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uacfc \uac19\uc740 \uc0ac\uc720\ub85c \uc778\ud574 \ubc1c\uc0dd\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ub0ae\uc740 \uc2e0\ud638 \ud488\uc9c8<\/p><\/li><li><p>\uc624\uc5fc\ub41c \uad11\uc12c\uc720 \ucee4\ub125\ud130<\/p><\/li><li><p>\ube5b \ucee4\ub125\ud130\uc758 \uc190\uc0c1<\/p><\/li><li><p>\uad11 attenuated<\/p><\/li><li><p>\uc2a4\uc704\uce58 \ud3ec\ud2b8\uc758 \ubd88 stably<\/p><\/li><li><p>\ud638\ud658\ub418\uc9c0 \uc54a\ub294 SFP \ubaa8\ub4c8<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub124\ud2b8\uc6cc\ud06c\uac00 25G, 100G, \uadf8\ub9ac\uace0 400G Ethernet\uc73c\ub85c \uc774\ub3d9\ud558\uba74\uc11c \ubb3c\ub9ac \ub808\uc774\uc5b4\uc758 \uc548\uc815\uc131 \uc720\uc9c0\uac00 \uc810\uc810 \ub354 \uc911\uc694\ud574\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc804\ud658\uc131 CRC \ubaa8\ub2c8\ud130\ub9c1, \uc801\uc808\ud55c \uad11 \uc720\uc9c0\ubcf4\uc218, \uadf8\ub9ac\uace0 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc804\uc1a1\uae30\uc5b4\uc758 \uc77c\uad00\uc131\uc740 \ub370\uc774\ud130 \uc13c\ud130 \ubc0f \ud1b5\uc2e0 \ub124\ud2b8\uc6cc\ud06c \uc6b4\uc601\uc5d0\uc11c \uc774\uc81c \ud544\uc218\uc801\uc778 \uc694\uc18c\uac00 \ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\uc548\uc815\uc801\uc778 \uad11 \ub9c1\ud06c\ub294 \uc548\uc815\uc801\uc778 CRC \uc131\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\uae30\uc5c5\uc774 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ube5b Ethernet \uae30\ubc18 \ub124\ud2b8\uc6cc\ud06c\ub97c \uad6c\ucd95\ud558\ub824\uba74, \ub192\uc740 \ud488\uc9c8\uacfc \uc644\uc804\ud788 \uc77c\uce58\ud558\ub294 \uad11 \uc804\uc1a1\uae30\uc5b4\ub97c \uc120\ud0dd\ud558\ub294 \uac83\uc774 CRC \uad00\ub828 \ub124\ud2b8\uc6cc\ud06c \ubb38\uc81c\ub97c \ucd5c\uc18c\ud654\ud558\ub294 \uac00\uc7a5 \ud6a8\uacfc\uc801\uc778 \ubc29\ubc95 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uace0\uae09 \uae30\uc5c5\uc6a9 SFP, SFP+, SFP28, \uadf8\ub9ac\uace0 QSFP \uad11 \uc804\uc1a1\uae30\uc5b4\ub97c \ud655\uc778\ud558\uc138\uc694. <a target=\"_self\" href=\"https:\/\/www.l-p.com\/\">LINK-PP \uacf5\uc2dd \uc2a4\ud1a0\uc5b4<\/a> \uc548\uc815\uc801\uc774\uace0 \ub192\uc740 \uc131\ub2a5\uc758 Ethernet \uc5f0\uacb0\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>CRC\uac00 \ubb34\uc5c7\uc778\uc9c0, \uc21c\ud658 \uc911\ubcf5 \uac80\uc0ac \uc624\ub958\uac00 \uc5b4\ub5bb\uac8c \ubc1c\uc0dd\ud558\ub294\uc9c0, \uc774\ub97c \ud574\uacb0\ud558\ub294 \ubc29\ubc95, \uadf8\ub9ac\uace0 \ub124\ud2b8\uc6cc\ud0b9\u00b7\uc800\uc7a5\uc7a5\uce58\u00b7SFP \ubaa8\ub4c8\uc5d0\uc11c CRC\uac00 \uc911\uc694\ud55c \uc774\uc720\ub97c \uc774\ud574\ud558\uc138\uc694.<\/p>","protected":false},"author":1,"featured_media":7290,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[26],"class_list":["post-7291","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/7291","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=7291"}],"version-history":[{"count":6,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/7291\/revisions"}],"predecessor-version":[{"id":10687,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/posts\/7291\/revisions\/10687"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media\/7290"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/media?parent=7291"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/categories?post=7291"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ko\/wp-json\/wp\/v2\/tags?post=7291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}