{"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\/ja\/glossary\/what-is-crc-cyclic-redundancy-check-errors","title":{"rendered":"CRC\uff08\u5de1\u56de\u5197\u9577\u691c\u67fb\uff09\u30a8\u30e9\u30fc\u3068\u306f\uff1f\u305d\u306e\u539f\u56e0\u306f\uff1f"},"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\">\u73fe\u4ee3\u306e\u30c7\u30b8\u30bf\u30eb\u901a\u4fe1\u3067\u306f\u3001\u30c7\u30fc\u30bf\u304c\u30c7\u30d0\u30a4\u30b9\u3001\u30b5\u30fc\u30d0\u30fc\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u30b7\u30b9\u30c6\u30e0\u3001\u304a\u3088\u3073\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9593\u3092\u6b63\u78ba\u306b\u4f1d\u9001\u3055\u308c\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u306e\u8ee2\u9001\u3001\u52d5\u753b\u306e\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3001\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30b9\u30a4\u30c3\u30c1\u306e\u4f7f\u7528\u3001\u9ad8\u901f\u63a5\u7d9a\u306a\u3069\u3001\u3042\u3089\u3086\u308b\u5834\u9762\u306b\u304a\u3044\u3066\u3001<br> <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">SFP\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\uff09\u306b\u63a5\u7d9a\u3057\u307e\u3059\u3002<\/a> \u306b\u304a\u3044\u3066\u306f\u3001<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/what-is-a-data-center\/\">\u7d71\u5408\u578b<\/a>, \u3001\u305f\u3063\u305f1\u30d3\u30c3\u30c8\u306e\u7834\u640d\u3067\u3082\u4f1d\u9001\u5931\u6557\u3001\u30d1\u30b1\u30c3\u30c8\u30ed\u30b9\u3001\u307e\u305f\u306f\u30c7\u30fc\u30bf\u306e\u640d\u50b7\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u91cd\u8981\u3068\u306a\u308b\u306e\u304c\u3001<br> <strong>CRC\uff08\u5de1\u56de\u5197\u9577\u691c\u67fb\uff0fCyclic Redundancy Check\uff09<br><\/strong> \u3067\u3059\u3002<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>CRC\u30c1\u30a7\u30c3\u30af<br><\/strong> \u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u304a\u3088\u3073\u30c7\u30fc\u30bf\u901a\u4fe1\u3067\u6700\u3082\u5e83\u304f\u7528\u3044\u3089\u308c\u308b\u30a8\u30e9\u30fc\u691c\u51fa\u65b9\u5f0f\u306e\u4e00\u3064\u3067\u3059\u3002\u9001\u4fe1\u3055\u308c\u305f\u30c7\u30fc\u30bf\u304c\u4f1d\u9001\u4e2d\u306b\u5909\u66f4\u30fb\u7834\u640d\u30fb\u640d\u50b7\u3092\u53d7\u3051\u305f\u304b\u3069\u3046\u304b\u3092\u30c7\u30d0\u30a4\u30b9\u304c\u5224\u65ad\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002CRC\u6280\u8853\u306f\u3001\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001<br>, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/what-is-a-router-key-functions-types\/\">\u30eb\u30fc\u30bf\u30fc<\/a>, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/what-is-a-network-switch\/\">\u30b9\u30a4\u30c3\u30c1<\/a>, \u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u30c7\u30d0\u30a4\u30b9\u3001\u7523\u696d\u7528\u901a\u4fe1\u30b7\u30b9\u30c6\u30e0\u3001\u30d5\u30a1\u30a4\u30d0\u30fc\u30aa\u30d7\u30c6\u30a3\u30af\u30b9\u3001\u304a\u3088\u3073SFP\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u306a\u3069\u3067\u5e83\u304f\u63a1\u7528\u3055\u308c\u3001\u30c7\u30fc\u30bf\u306e\u5b8c\u5168\u6027\u3068\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u901a\u4fe1\u3092\u78ba\u4fdd\u3057\u3066\u3044\u307e\u3059\u3002<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b7\u30b9\u30c6\u30e0\u304c\u691c\u8a3c\u4e2d\u306b\u4e0d\u4e00\u81f4\u3092\u691c\u51fa\u3057\u305f\u5834\u5408\u3001<br> <strong>CRC\u30a8\u30e9\u30fc<br><\/strong>. \u3092\u751f\u6210\u3057\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u306f\u3001\u30b1\u30fc\u30d6\u30eb\u306e\u640d\u50b7\u3001\u96fb\u78c1\u5e72\u6e09\u3001\u4fe1\u53f7\u52a3\u5316\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u6545\u969c\u3001\u4e92\u63db\u6027\u306e\u306a\u3044SFP\u30e2\u30b8\u30e5\u30fc\u30eb\u3001\u6c5a\u308c\u305f<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/common-fiber-connector-types-optical-transceivers\/\">\u30d5\u30a1\u30a4\u30d0\u30fc\u30b3\u30cd\u30af\u30bf<\/a>, \u3001\u307e\u305f\u306f\u4e0d\u5b89\u5b9a\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ea\u30f3\u30af\u306a\u3069\u306e\u554f\u984c\u3092\u793a\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u74b0\u5883\u3067\u306f\u3001\u7e70\u308a\u8fd4\u3057\u767a\u751f\u3059\u308bCRC\u30a8\u30e9\u30fc\u306b\u3088\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6027\u80fd\u306e\u4f4e\u4e0b\u3001\u518d\u9001\u4fe1\u306e\u5897\u52a0\u3001\u304a\u3088\u3073\u9ad8\u901f\u30ea\u30f3\u30af\u306b\u304a\u3051\u308b\u30d1\u30b1\u30c3\u30c8\u30c9\u30ed\u30c3\u30d7\u304c\u5f15\u304d\u8d77\u3053\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\u306f\u73fe\u4ee3\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u30a4\u30f3\u30d5\u30e9\u3068\u6df1\u304f\u7d50\u3073\u3064\u3044\u3066\u3044\u308b\u305f\u3081\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u8cea\u554f\u3092\u983b\u7e41\u306b\u691c\u7d22\u3057\u307e\u3059\uff1a<br><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u306b\u304a\u3051\u308bCRC\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<br><\/p><\/li><li><p>\u5de1\u56de\u5197\u9577\u691c\u67fb\uff08CRC\uff09\u30a8\u30e9\u30fc\u3068\u306f\u3069\u3046\u3044\u3046\u610f\u5473\u3067\u3059\u304b\uff1f<br><\/p><\/li><li><p>CRC\u306f\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u3088\u308a\u3082\u512a\u308c\u3066\u3044\u307e\u3059\u304b\uff1f<br><\/p><\/li><li><p>\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u3084\u30d5\u30a1\u30a4\u30d0\u30fc\u30ea\u30f3\u30af\u3067CRC\u30a8\u30e9\u30fc\u3092\u4fee\u6b63\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<br><\/p><\/li><li><p>SFP\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u306a\u305cCRC\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u308b\u306e\u3067\u3059\u304b\uff1f<br><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\u306e\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a8\u30f3\u30b8\u30cb\u30a2\u3084IT\u7ba1\u7406\u8005\u306e\u307f\u306a\u3089\u305a\u3001\u30b5\u30fc\u30d0\u30fc\u3001\u30b9\u30a4\u30c3\u30c1\u3001\u7523\u696d\u6a5f\u5668\u3001\u5149\u901a\u4fe1\u30b7\u30b9\u30c6\u30e0\u3092\u7ba1\u7406\u3059\u308b\u4f01\u696d\u306b\u3068\u3063\u3066\u3082\u91cd\u8981\u3067\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901f\u5ea6\u304c10G\u300125G\u300140G\u3001100G\u3001\u3055\u3089\u306b\u306f\u305d\u308c\u4ee5\u4e0a\u306e\u65b9\u5411\u3078\u3068\u9032\u3080\u306b\u3064\u308c\u3066\u3001\u5b89\u5b9a\u3057\u305f\u30c7\u30fc\u30bf\u4f1d\u9001\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30a8\u30e9\u30fc\u691c\u51fa\u304c\u3055\u3089\u306b\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u3053\u3068\u3092\u5b66\u3073\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>CRC\uff08\u5de1\u56de\u5197\u9577\u691c\u67fb\uff0fCyclic Redundancy Check\uff09\u306e\u5b9f\u969b\u306e\u610f\u5473<br><\/p><\/li><li><p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u304a\u3088\u3073\u30c7\u30fc\u30bf\u4f1d\u9001\u306b\u304a\u3051\u308bCRC\u30c1\u30a7\u30c3\u30af\u306e\u52d5\u4f5c\u539f\u7406<\/p><\/li><li><p>CRC\u3068\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u624b\u6cd5\u306e\u9055\u3044<\/p><\/li><li><p>CRC\u30a8\u30e9\u30fc\u306e\u4e00\u822c\u7684\u306a\u539f\u56e0<\/p><\/li><li><p>Ethernet\u304a\u3088\u3073\u30d5\u30a1\u30a4\u30d0\u30fc\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3051\u308bCRC\u30a8\u30e9\u30fc\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u65b9\u6cd5<\/p><\/li><li><p>CRC\u554f\u984c\u304c\u983b\u7e41\u306b\u73fe\u308c\u308b\u7406\u7531\uff1a <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-25832-1-2-4g-transceiver-modules.htm\">\u30aa\u30d7\u30c6\u30a3\u30ab\u30eb\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc<\/a><\/p><\/li><li><p>CRC\u95a2\u9023\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u554f\u984c\u3092\u4e88\u9632\u3059\u308b\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u307f\u7d42\u3048\u308b\u9803\u306b\u306f\u3001CRC\u304c\u30c7\u30fc\u30bf\u6574\u5408\u6027\u3092\u3069\u306e\u3088\u3046\u306b\u4fdd\u8b77\u3059\u308b\u304b\u3001\u304a\u3088\u3073\u73fe\u4ee3\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u74b0\u5883\u306b\u304a\u3044\u3066CRC\u30a8\u30e9\u30fc\u3092\u6c7a\u3057\u3066\u7121\u8996\u3057\u3066\u306f\u306a\u3089\u306a\u3044\u7406\u7531\u306b\u3064\u3044\u3066\u660e\u78ba\u306a\u7406\u89e3\u3092\u5f97\u3089\u308c\u308b\u3067\u3057\u3087\u3046\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udfe8 CRC\uff08\u5de1\u56de\u5197\u9577\u691c\u67fb\uff09\u3068\u306f\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\uff08\u5de1\u56de\u5197\u9577\u691c\u67fb\uff09\u3068\u306f\u3001\u30c7\u30b8\u30bf\u30eb\u30c7\u30fc\u30bf\u304c\u4f1d\u9001\u307e\u305f\u306f\u4fdd\u5b58\u4e2d\u306b\u7834\u640d\u3057\u3066\u3044\u306a\u3044\u304b\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u306b\u7528\u3044\u3089\u308c\u308b\u8aa4\u308a\u691c\u51fa\u7b26\u53f7\u3067\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ea\u30f3\u30af\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u30c7\u30d0\u30a4\u30b9\u3001\u901a\u4fe1\u30b7\u30b9\u30c6\u30e0\u306f\u30ce\u30a4\u30ba\u3001\u5e72\u6e09\u3001\u4fe1\u53f7\u6e1b\u8870\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u969c\u5bb3\u306a\u3069\u306e\u5f71\u97ff\u3092\u53d7\u3051\u308b\u305f\u3081\u3001CRC\u304c\u5b58\u5728\u3057\u307e\u3059\u3002CRC\u306b\u3088\u308a\u3001\u30c7\u30d0\u30a4\u30b9\u306f\u30c7\u30fc\u30bf\u304c\u53d7\u4fe1\u3055\u308c\u308b\u524d\u306b\u7834\u640d\u3057\u305f\u30d1\u30b1\u30c3\u30c8\u3084\u7834\u640d\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u691c\u51fa\u3067\u304d\u3001\u3053\u308c\u306fEthernet\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u30b7\u30b9\u30c6\u30e0\u3001SFP\u5149\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u304a\u3044\u3066\u30b3\u30a2\u6280\u8853\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002.<\/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\" >\u30de\u30a4\u30af\u30ed\u5b9a\u7fa9\uff1aCRC\uff1d\u8aa4\u308a\u691c\u51fa\u7b26\u53f7<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\u306f\u3001\u30d0\u30a4\u30ca\u30ea\u30c7\u30fc\u30bf\u304c\u4f1d\u9001\u4e2d\u306b\u5909\u5316\u3057\u305f\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u7528\u3044\u3089\u308c\u308b\u6570\u5b66\u7684\u624b\u6cd5\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u306e\u76ee\u7684\u306f\u5358\u7d14\u3067\u3059\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u30b7\u30b9\u30c6\u30e0\u304c\u30c7\u30fc\u30bf\u3092\u5229\u7528\u3059\u308b\u524d\u306b\u3001\u7834\u640d\u3057\u305f\u30c7\u30fc\u30bf\u3092\u691c\u51fa\u3059\u308b\u3053\u3068\u3002.<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\u306f <strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9593\u306e<\/strong> \u30c7\u30fc\u30bf\u3092\u4fee\u5fa9\u3057\u307e\u305b\u3093\u3002.<br\/>\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u304b\u3069\u3046\u304b\u306e\u307f\u3092\u691c\u51fa\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u306e\u305f\u3081\u3001CRC\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u6240\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Ethernet\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/p><\/li><li><p>\u30eb\u30fc\u30bf\u30fc\u304a\u3088\u3073\u30b9\u30a4\u30c3\u30c1<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/ssd-solid-state-drive-explained\/\">SSD<\/a> \u304a\u3088\u3073 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/what-is-an-hdd-hard-disk-drive\/\">HDD<\/a><\/p><\/li><li><p>\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u901a\u4fe1<\/p><\/li><li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26155-1g-sfp.htm\">SFP<\/a> \u304a\u3088\u3073 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26153-40g-qsfp.htm\">QSFP<\/a> \u30c8\u30e9\u30f3\u30b7\u30fc\u30d0<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >CRC\u304c\u5b58\u5728\u3059\u308b\u7406\u7531<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c7\u30b8\u30bf\u30eb\u901a\u4fe1\u306f\u3001\u5b8c\u5168\u306b\u30a8\u30e9\u30fc\u304c\u306a\u3044\u72b6\u614b\u306b\u306a\u308b\u3053\u3068\u306f\u6c7a\u3057\u3066\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c7\u30fc\u30bf\u7834\u640d\u306f\u4ee5\u4e0b\u306e\u8981\u56e0\u306b\u3088\u3063\u3066\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/what-is-electromagnetic-interference\/\">\u96fb\u78c1\u5e72\u6e09<\/a> EMI<\/p><\/li><li><p>\u640d\u50b7\u3057\u305f\u30b1\u30fc\u30d6\u30eb<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/attenuation-in-optical-transceiver-management-and-solutions\/\">\u4fe1\u53f7\u6e1b\u8870<\/a><\/p><\/li><li><p>\u30d5\u30a1\u30a4\u30d0\u30b3\u30cd\u30af\u30bf\u304c\u6c5a\u308c\u3066\u3044\u308b<\/p><\/li><li><p>\u4e0d\u5177\u5408\u306e\u3042\u308bSFP\u30e2\u30b8\u30e5\u30fc\u30eb<\/p><\/li><li><p>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u4e0d\u5b89\u5b9a\u6027<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\u304c\u306a\u3051\u308c\u3070\u3001\u30c7\u30d0\u30a4\u30b9\u306f\u7834\u640d\u3057\u305f\u30c7\u30fc\u30bf\u30d1\u30b1\u30c3\u30c8\u3084\u640d\u50b7\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u78ba\u5b9f\u306b\u8b58\u5225\u3059\u308b\u624b\u6bb5\u3092\u6301\u3061\u307e\u305b\u3093\u3002.<\/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>\u30b7\u30ca\u30ea\u30aa<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>CRC\u306e\u7d50\u679c<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"291\"><p>\u7834\u640d\u3057\u305fEthernet\u30d5\u30ec\u30fc\u30e0<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30a8\u30e9\u30fc\u691c\u51fa<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"291\"><p>\u4e0d\u5177\u5408\u306e\u3042\u308b\u30d5\u30a1\u30a4\u30d0\u30fc\u4f1d\u9001<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30d1\u30b1\u30c3\u30c8\u5374\u4e0b<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"291\"><p>\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u30d3\u30c3\u30c8\u30a8\u30e9\u30fc<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u6574\u5408\u6027\u969c\u5bb3\u306e\u691c\u51fa<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"291\"><p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5e72\u6e09<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u7834\u640d\u30c7\u30fc\u30bf\u306e\u7279\u5b9a<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >Ethernet\u304a\u3088\u3073SFP\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3051\u308bCRC\u306e\u91cd\u8981\u6027<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7c73\u56fd\u96fb\u6c17\u96fb\u5b50\u5b66\u4f1a\uff08IEEE\uff09\u304c\u7b56\u5b9a\u3057\u305f\u73fe\u4ee3\u306eEthernet\u898f\u683c\u3067\u306f\u3001\u7834\u640d\u3057\u305f\u30d5\u30ec\u30fc\u30e0\u3092\u691c\u51fa\u3059\u308b\u305f\u3081\u306bCRC\u30d9\u30fc\u30b9\u306e\u30d5\u30ec\u30fc\u30e0\u30c1\u30a7\u30c3\u30af\u30b7\u30fc\u30b1\u30f3\u30b9\uff08FCS\uff09\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ad8\u901f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u5834\u5408\uff1a<\/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\u30a8\u30e9\u30fc\u306f\u3001\u3057\u3070\u3057\u3070\u4ee5\u4e0b\u3092\u793a\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u4fe1\u53f7\u54c1\u8cea\u306e\u52a3\u5316<\/p><\/li><li><p>\u5149\u30b3\u30cd\u30af\u30bf\u306e\u6c5a\u67d3<\/p><\/li><li><p>\u5149\u30d5\u30a1\u30a4\u30d0\u30ea\u30f3\u30af\u306e\u554f\u984c<\/p><\/li><li><p>\u4e92\u63db\u6027\u306e\u306a\u3044\u5149\u30e2\u30b8\u30e5\u30fc\u30eb<\/p><\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>CRC\u30a8\u30e9\u30fc\u306f\u3001\u7269\u7406\u5c64\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u554f\u984c\u306e\u521d\u671f\u8b66\u544a\u30b5\u30a4\u30f3\u3067\u3042\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002.<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u3068\u3063\u3066\u3001CRC\u30ab\u30a6\u30f3\u30bf\u306e\u76e3\u8996\u306f\u3001\u5b89\u5b9a\u3057\u305fEthernet\u304a\u3088\u3073\u5149\u30d5\u30a1\u30a4\u30d0\u30ea\u30f3\u30af\u3092\u7dad\u6301\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u4f5c\u696d\u3067\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udfe8 CRC\u306f\u3069\u306e\u3088\u3046\u306b\u30c7\u30fc\u30bf\u30a8\u30e9\u30fc\u3092\u691c\u51fa\u3059\u308b\u304b\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\u306f\u3001\u9001\u4fe1\u524d\u306b\u5143\u306e\u30c7\u30fc\u30bf\u304b\u3089\u6570\u5b66\u7684\u306a\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u5024\u3092\u751f\u6210\u3059\u308b\u3053\u3068\u3067\u30c7\u30fc\u30bf\u30a8\u30e9\u30fc\u3092\u691c\u51fa\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u304c\u53d7\u4fe1\u5074\u306b\u5230\u9054\u3059\u308b\u3068\u3001\u30b7\u30b9\u30c6\u30e0\u306f\u53d7\u4fe1\u3057\u305f\u30c7\u30fc\u30bf\u3092\u7528\u3044\u3066\u518d\u5ea6CRC\u5024\u3092\u518d\u8a08\u7b97\u3057\u3001\u5143\u306e\u5024\u3068\u6bd4\u8f03\u3057\u307e\u3059\u3002\u4e21\u65b9\u306e\u5024\u304c\u4e00\u81f4\u3057\u306a\u3044\u5834\u5408\u3001\u30c7\u30d0\u30a4\u30b9\u306f\u30c7\u30fc\u30bf\u304c\u4f1d\u9001\u307e\u305f\u306f\u4fdd\u5b58\u4e2d\u306b\u7834\u640d\u3057\u305f\u3053\u3068\u3092\u8a8d\u8b58\u3057\u307e\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u3088\u308a\u3001Ethernet\u30b9\u30a4\u30c3\u30c1\u3001\u30eb\u30fc\u30bf\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u30b7\u30b9\u30c6\u30e0\u3001\u304a\u3088\u3073SFP\u5149\u30ea\u30f3\u30af\u306f\u3001\u7834\u640d\u3057\u305f\u30d1\u30b1\u30c3\u30c8\u3092\u8fc5\u901f\u304b\u3064\u52b9\u7387\u7684\u306b\u691c\u51fa\u3067\u304d\u307e\u3059\u3002.<\/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\u30a8\u30e9\u30fc\u691c\u51fa\u30d7\u30ed\u30bb\u30b9\uff083\u30b9\u30c6\u30c3\u30d7\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\u306f\u3001\u30b7\u30f3\u30d7\u30eb\u306a\u691c\u8a3c\u30d7\u30ed\u30bb\u30b9\u3092\u901a\u3058\u3066\u6a5f\u80fd\u3057\u307e\u3059\uff1a<\/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>SMB\u5c55\u958b\u3092\u7c21\u7d20\u5316<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u767a\u751f\u3059\u308b\u3053\u3068<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u76ee\u7684<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"141\"><p>\u30b9\u30c6\u30c3\u30d71<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u9001\u4fe1\u5074\u304c\u5143\u306e\u30c7\u30fc\u30bf\u304b\u3089CRC\u5024\u3092\u8a08\u7b97\u3059\u308b<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u56fa\u6709\u306e\u6574\u5408\u6027\u30c1\u30a7\u30c3\u30af\u3092\u4f5c\u6210\u3059\u308b<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"141\"><p>\u30b9\u30c6\u30c3\u30d72<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u53d7\u4fe1\u5074\u304c\u53d7\u4fe1\u3057\u305f\u30c7\u30fc\u30bf\u3092\u7528\u3044\u3066CRC\u3092\u518d\u8a08\u7b97\u3059\u308b<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30c7\u30fc\u30bf\u306e\u4e00\u8cab\u6027\u3092\u691c\u8a3c\u3059\u308b<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"141\"><p>\u30b9\u30c6\u30c3\u30d73<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30b7\u30b9\u30c6\u30e0\u304c\u4e21\u65b9\u306eCRC\u5024\u3092\u6bd4\u8f03\u3059\u308b<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u4f1d\u9001\u30a8\u30e9\u30fc\u3092\u691c\u51fa\u3059\u308b<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\u5024\u304c\u4e00\u81f4\u3059\u308b\u5834\u5408\uff1a\u30c7\u30fc\u30bf\u306f\u6709\u52b9\u3068\u898b\u306a\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\u5024\u304c\u4e00\u81f4\u3057\u306a\u3044\u5834\u5408\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30b7\u30b9\u30c6\u30e0\u306f\u7834\u640d\u3092\u691c\u51fa\u3057\u307e\u3059\u3002.<\/p><\/li><li><p>\u30d1\u30b1\u30c3\u30c8\u307e\u305f\u306f\u30d5\u30a1\u30a4\u30eb\u306f\u7834\u68c4\u3055\u308c\u308b\u304b\u3001\u518d\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >CRC\u306e\u52d5\u4f5c\u4f8b\uff08\u7c21\u6613\u7248\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b9\u30a4\u30c3\u30c1\u304cSFP\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u7528\u3044\u3066\u5149\u30d5\u30a1\u30a4\u30d0\u30ea\u30f3\u30af\u7d4c\u7531\u3067Ethernet\u30d5\u30ec\u30fc\u30e0\u3092\u9001\u4fe1\u3059\u308b\u3068\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" >\u9001\u4fe1\u524d<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b9\u30a4\u30c3\u30c1\u306f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30c7\u30fc\u30bf\u30d1\u30b1\u30c3\u30c8\u3092\u751f\u6210\u3059\u308b<\/p><\/li><li><p>CRC\u5024\u3092\u8a08\u7b97\u3059\u308b<\/p><\/li><li><p>CRC\u3092Ethernet\u30d5\u30ec\u30fc\u30e0\u306b\u4ed8\u52a0\u3059\u308b<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" >\u4f1d\u9001\u4e2d<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u4fe1\u53f7\u306f\u4ee5\u4e0b\u306e\u5f71\u97ff\u3092\u53d7\u3051\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>EMI\u5e72\u6e09<\/p><\/li><li><p>\u5149\u4fe1\u53f7\u306e\u6e1b\u8870<\/p><\/li><li><p>\u30d5\u30a1\u30a4\u30d0\u30b3\u30cd\u30af\u30bf\u304c\u6c5a\u308c\u3066\u3044\u308b<\/p><\/li><li><p>\u4e0d\u826f\u306aDAC\/AOC\u30b1\u30fc\u30d6\u30eb<\/p><\/li><li><p>\u4e0d\u4e92\u63db\u306eSFP\u30e2\u30b8\u30e5\u30fc\u30eb<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" >\u53d7\u4fe1\u5f8c<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u53d7\u4fe1\u30c7\u30d0\u30a4\u30b9\u306f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>CRC\u5024\u3092\u518d\u8a08\u7b97\u3059\u308b<\/p><\/li><li><p>\u5143\u306eCRC\u3068\u6bd4\u8f03\u3059\u308b<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f1d\u9001\u4e2d\u306b1\u30d3\u30c3\u30c8\u3067\u3082\u30d0\u30a4\u30ca\u30ea\u5024\u304c\u5909\u5316\u3059\u308b\u3068\u3001CRC\u5024\u306f\u7570\u306a\u308a\u3001\u30d5\u30ec\u30fc\u30e0\u306f\u7834\u640d\u3068\u3057\u3066\u30de\u30fc\u30af\u3055\u308c\u307e\u3059\u3002CRC\u306f\u3001\u610f\u56f3\u7684\u306a\u6539\u3056\u3093\u3067\u306f\u306a\u304f\u3001\u5076\u767a\u7684\u306a\u30c7\u30fc\u30bf\u7834\u640d\u3092\u691c\u51fa\u3059\u308b\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u6697\u53f7\u5316\u3084\u30c7\u30fc\u30bf\u4fee\u5fa9\u306f\u884c\u3044\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >CRC\u304c\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u6709\u52b9\u306a\u7406\u7531<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u96fb\u6c17\u96fb\u5b50\u6280\u8853\u8005\u5354\u4f1a\uff08IEEE\uff09\u304c\u5b9a\u3081\u308b\u73fe\u4ee3\u306e\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u898f\u683c\u3067\u306f\u3001CRC\u30d9\u30fc\u30b9\u306e\u30d5\u30ec\u30fc\u30e0\u30c1\u30a7\u30c3\u30af\u30b7\u30fc\u30b1\u30f3\u30b9\uff08FCS\uff09\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u7528\u3044\u3066\u3001\u30ec\u30a4\u30e4\u30fc2\u30d5\u30ec\u30fc\u30e0\u306e\u5b8c\u5168\u6027\u3092\u691c\u8a3c\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\u306f\u975e\u5e38\u306b\u6709\u52b9\u3067\u3059\u3002\u305d\u306e\u7406\u7531\u306f\u3001\u4ee5\u4e0b\u306e\u30a8\u30e9\u30fc\u3092\u691c\u51fa\u3067\u304d\u308b\u304b\u3089\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u5358\u4e00\u30d3\u30c3\u30c8\u30a8\u30e9\u30fc<\/p><\/li><li><p>\u30d0\u30fc\u30b9\u30c8\u30a8\u30e9\u30fc<\/p><\/li><li><p>\u30ce\u30a4\u30ba\u306b\u3088\u308b\u30c7\u30fc\u30bf\u7834\u640d<\/p><\/li><li><p>\u4f1d\u9001\u306e\u4e0d\u5b89\u5b9a\u6027<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ad8\u901f\u306a10G\u300125G\u3001\u304a\u3088\u3073100G\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u74b0\u5883\u3067\u306f\u3001CRC\u30c1\u30a7\u30c3\u30af\u304c\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30d1\u30b1\u30c3\u30c8\u914d\u4fe1\u3068\u5b89\u5b9a\u3057\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udfe8 CRC\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u7406\u7531\u306f\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\u30a8\u30e9\u30fc\u306f\u3001\u901a\u5e38\u3001CRC\u30b7\u30b9\u30c6\u30e0\u81ea\u4f53\u304c\u6545\u969c\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u305b\u3093\u3002\u307b\u3068\u3093\u3069\u306e\u5834\u5408\u3001CRC\u30a8\u30e9\u30fc\u306f\u3001\u7269\u7406\u5c64\u306e\u554f\u984c\u306b\u3088\u3063\u3066\u4f1d\u9001\u4e2d\u306b\u30c7\u30fc\u30bf\u304c\u7834\u640d\u3057\u305f\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u539f\u56e0\u306b\u306f\u3001\u640d\u50b7\u3057\u305f\u30b1\u30fc\u30d6\u30eb\u3001\u6c5a\u67d3\u3055\u308c\u305f\u5149\u30d5\u30a1\u30a4\u30d0\u30b3\u30cd\u30af\u30bf\u3001\u96fb\u78c1\u5e72\u6e09\uff08EMI\uff09\u3001\u4fe1\u53f7\u6e1b\u8870\u3001\u4e0d\u826f\u306a\u30b9\u30a4\u30c3\u30c1\u30dd\u30fc\u30c8\u3001\u307e\u305f\u306f\u4e92\u63db\u6027\u306e\u306a\u3044SFP\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3044\u3066\u3001\u7e70\u308a\u8fd4\u3057\u767a\u751f\u3059\u308bCRC\u30a8\u30e9\u30fc\u306f\u3001\u30ea\u30f3\u30af\u306e\u4e0d\u5b89\u5b9a\u5316\u3084\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u52a3\u5316\u306e\u521d\u671f\u5146\u5019\u3067\u3042\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>CRC\u30a8\u30e9\u30fc\u306f\u3001\u901a\u5e38\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u554f\u984c\u3067\u306f\u306a\u304f\u3001\u4f1d\u9001\u306e\u554f\u984c\u306e\u75c7\u72b6\u3067\u3059\u3002.<\/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\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3068\u305d\u306e\u5f71\u97ff<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\u30a8\u30e9\u30fc\u306f\u3001\u53d7\u4fe1\u3055\u308c\u305f\u30c7\u30fc\u30bf\u304c\u5143\u306e\u9001\u4fe1\u30c7\u30fc\u30bf\u3068\u4e00\u81f4\u3057\u306a\u3044\u5834\u5408\u306b\u767a\u751f\u3057\u307e\u3059\u3002.<\/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>\u7269\u7406\u7684\u554f\u984c<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>CRC\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3059\u4ed5\u7d44\u307f<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u4e00\u822c\u7684\u306a\u74b0\u5883<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u6c5a\u308c\u305f\u30d5\u30a1\u30a4\u30d0\u30b3\u30cd\u30af\u30bf<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u5149\u4fe1\u53f7\u54c1\u8cea\u3092\u52a3\u5316\u3055\u305b\u308b<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u640d\u50b7\u3057\u305f\u9285\u7dda\u30b1\u30fc\u30d6\u30eb<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30d1\u30b1\u30c3\u30c8\u7834\u640d\u3092\u5f15\u304d\u8d77\u3053\u3059<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30aa\u30d5\u30a3\u30b9\u7528\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>EMI\u5e72\u6e09<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u96fb\u6c17\u7684\u4f1d\u9001\u3092\u59a8\u3052\u308b<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u5de5\u696d\u7528\u5de5\u5834<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u4e92\u63db\u6027\u306e\u306a\u3044SFP\u30e2\u30b8\u30e5\u30fc\u30eb<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u4e0d\u5b89\u5b9a\u306a\u30ea\u30f3\u30af\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u3092\u5f15\u304d\u8d77\u3053\u3059<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30b9\u30a4\u30c3\u30c1<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u904e\u5270\u306a\u4f1d\u9001\u8ddd\u96e2<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30d3\u30c3\u30c8\u30a8\u30e9\u30fc\u7387\uff08BER\uff09\u3092\u5897\u52a0\u3055\u305b\u308b<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u9577\u8ddd\u96e2\u5149\u30d5\u30a1\u30a4\u30d0\u56de\u7dda<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u4e0d\u826f\u306a\u30b9\u30a4\u30c3\u30c1\u30dd\u30fc\u30c8<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30d5\u30ec\u30fc\u30e0\u3092\u7834\u640d\u3055\u305b\u308b<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u8001\u673d\u5316\u3057\u305f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >SFP\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067CRC\u30a8\u30e9\u30fc\u304c\u983b\u767a\u3059\u308b\u7406\u7531<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5149\u30d5\u30a1\u30a4\u30d0\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u74b0\u5883\u3067\u306f\u3001CRC\u30a8\u30e9\u30fc\u306f\u3057\u3070\u3057\u3070\u5149\u5c64\u306e\u554f\u984c\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3068\u3048\u3070\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u6c5a\u67d3\u3055\u308c\u305fLC\u30b3\u30cd\u30af\u30bf\u306f\u633f\u5165\u640d\u5931\u3092\u5897\u52a0\u3055\u305b\u307e\u3059<\/p><\/li><li><p>\u54c1\u8cea\u306e\u4f4e\u3044\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u306f\u4e0d\u5b89\u5b9a\u306a\u5149\u4fe1\u53f7\u3092\u751f\u6210\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059<\/p><\/li><li><p>\u30de\u30c3\u30c1\u3057\u3066\u3044\u306a\u3044 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/sfp-wavelengths-850nm-1310nm-1550nm-guide\/\">\u6ce2\u9577<br><\/a> \u4f1d\u9001\u4fe1\u983c\u6027\u3092\u4f4e\u4e0b\u3055\u305b\u307e\u3059<\/p><\/li><li><p>\u5149\u30d5\u30a1\u30a4\u30d0\u306e\u904e\u5ea6\u306a\u66f2\u3052\u306f\u4fe1\u53f7\u6574\u5408\u6027\u3092\u5f31\u3081\u307e\u3059<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u306f\u7279\u306b\u4ee5\u4e0b\u306e\u74b0\u5883\u3067\u91cd\u8981\u3067\u3059\uff1a<\/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>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u306e\u30b9\u30d1\u30a4\u30f3\u30fb\u30ea\u30fc\u30d5\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u306e\u901f\u5ea6\u304c\u5411\u4e0a\u3059\u308b\u306b\u3064\u308c\u3066\u3001\u4fe1\u53f7\u8a31\u5bb9\u7bc4\u56f2\u306e\u30de\u30fc\u30b8\u30f3\u306f\u72ed\u304f\u306a\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306bCRC\u76e3\u8996\u304c\u3088\u308a\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >CRC\u30a8\u30e9\u30fc vs. \u30d1\u30b1\u30c3\u30c8\u30ed\u30b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u591a\u304f\u306e\u30e6\u30fc\u30b6\u30fc\u304cCRC\u30a8\u30e9\u30fc\u3068\u30d1\u30b1\u30c3\u30c8\u30ed\u30b9\u3092\u6df7\u540c\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5fae\u7d30\u306a\u5b9a\u7fa9<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>CRC\u30a8\u30e9\u30fc\uff1a<\/strong> \u30c7\u30d0\u30a4\u30b9\u304c\u7834\u640d\u3057\u305f\u30c7\u30fc\u30bf\u3092\u53d7\u4fe1\u3057\u307e\u3057\u305f\u3002.<\/p><\/li><li><p><a target=\"_self\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/what-does-packet-loss-mean-for-your-internet-connection\/\"><strong>\u30d1\u30b1\u30c3\u30c8\u30ed\u30b9<\/strong><\/a><strong>:<\/strong> \u30d1\u30b1\u30c3\u30c8\u306f\u6b63\u5e38\u306b\u5230\u7740\u3057\u307e\u305b\u3093\u3067\u3057\u305f\u3002.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\u30a8\u30e9\u30fc\u306f\u3001\u30d1\u30b1\u30c3\u30c8\u30ed\u30b9\u304c\u53ef\u8996\u5316\u3055\u308c\u308b\u524d\u306b\u767a\u751f\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u306e\u305f\u3081\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a8\u30f3\u30b8\u30cb\u30a2\u306fCRC\u30ab\u30a6\u30f3\u30bf\u30fc\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u554f\u984c\u306e\u65e9\u671f\u8b66\u544a\u6307\u6a19\u3068\u3057\u3066\u76e3\u8996\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u7269\u7406\u5c64\u306e\u4e0d\u5b89\u5b9a\u6027<\/p><\/li><li><p>\u5149\u5b66\u7684\u52a3\u5316<\/p><\/li><li><p>\u30b1\u30fc\u30d6\u30eb\u306e\u969c\u5bb3<\/p><\/li><li><p>\u30dd\u30fc\u30c8\u30ec\u30d9\u30eb\u306e\u4f1d\u9001\u554f\u984c<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u74b0\u5883\u3067\u306f\u3001\u30b9\u30a4\u30c3\u30c1\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u4e0a\u306eCRC\u30ab\u30a6\u30f3\u30c8\u306e\u5897\u52a0\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3084\u30b5\u30fc\u30d3\u30b9\u53ef\u7528\u6027\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3059\u524d\u306b\u3001\u76f4\u3061\u306b\u8abf\u67fb\u3092\u8981\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udfe8 \u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u304a\u3088\u3073SFP\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u304a\u3051\u308bCRC\u30a8\u30e9\u30fc\u306e\u610f\u5473\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u304a\u3088\u3073SFP\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3044\u3066\u3001CRC\u30a8\u30e9\u30fc\u306f\u901a\u5e38\u3001\u30c7\u30fc\u30bf\u30d1\u30b1\u30c3\u30c8\u304c\u4f1d\u9001\u4e2d\u306b\u7834\u640d\u3057\u305f\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u6700\u3082\u4e00\u822c\u7684\u306a\u6839\u672c\u539f\u56e0\u306f\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u969c\u5bb3\u3067\u306f\u306a\u304f\u3001\u7269\u7406\u5c64\u306e\u4fe1\u53f7\u54c1\u8cea\u306e\u52a3\u5316\u3067\u3059\u3002\u30d5\u30a1\u30a4\u30d0\u30b3\u30cd\u30af\u30bf\u306e\u6c5a\u308c\u3001\u30b1\u30fc\u30d6\u30eb\u306e\u640d\u50b7\u3001\u30b9\u30a4\u30c3\u30c1\u30dd\u30fc\u30c8\u306e\u4e0d\u5b89\u5b9a\u6027\u3001\u4fe1\u53f7\u6e1b\u8870\u3001\u4e92\u63db\u6027\u306e\u306a\u3044SFP\/SFP+\u304a\u3088\u3073 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/473115.htm\">QSFP28\u30e2\u30b8\u30e5\u30fc\u30eb<\/a> \u306a\u3069\u304c\u3001\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30ea\u30f3\u30af\u4e0a\u3067CRC\u30d5\u30ec\u30fc\u30e0\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307b\u3068\u3093\u3069\u306e\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3001CRC\u30a8\u30e9\u30fc\u306f\u7269\u7406\u5c64\u306e\u8b66\u544a\u30b5\u30a4\u30f3\u3067\u3059\u3002.<\/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\" >\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3051\u308bCRC\u30a8\u30e9\u30fc\u306e\u91cd\u8981\u6027<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u73fe\u4ee3\u306e\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u3001\u30ec\u30a4\u30e4\u30fc2\u3067\u30d1\u30b1\u30c3\u30c8\u306e\u5b8c\u5168\u6027\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u306b\u3001CRC\u30d9\u30fc\u30b9\u306e\u30d5\u30ec\u30fc\u30e0\u30c1\u30a7\u30c3\u30af\u30b7\u30fc\u30b1\u30f3\u30b9\uff08FCS\uff09\u691c\u8a3c\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b9\u30a4\u30c3\u30c1\u3001\u30eb\u30fc\u30bf\u30fc\u3001\u307e\u305f\u306f <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/what-is-nic-network-interface-card\/\">NIC<\/a> \u304c\u7121\u52b9\u306aCRC\u5024\u3092\u6301\u3064\u30d5\u30ec\u30fc\u30e0\u3092\u53d7\u4fe1\u3057\u305f\u5834\u5408\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u305d\u306e\u30d5\u30ec\u30fc\u30e0\u306f\u7834\u640d\u3057\u305f\u3082\u306e\u3068\u898b\u306a\u3055\u308c\u307e\u3059<\/p><\/li><li><p>\u30d1\u30b1\u30c3\u30c8\u306f\u7834\u68c4\u3055\u308c\u307e\u3059<\/p><\/li><li><p>\u518d\u9001\u4fe1\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<\/p><\/li><li><p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u52a3\u5316\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u306e\u305f\u3081\u3001CRC\u30ab\u30a6\u30f3\u30bf\u30fc\u306f\u4ee5\u4e0b\u3067\u4e00\u822c\u7684\u306b\u76e3\u8996\u3055\u308c\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30b9\u30a4\u30c3\u30c1\u30dd\u30fc\u30c8<\/p><\/li><li><p>SFP\/SFP+\u30a2\u30c3\u30d7\u30ea\u30f3\u30af<\/p><\/li><li><p>QSFP28\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u30fb\u30ea\u30f3\u30af<\/p><\/li><li><p>\u5149\u30d5\u30a1\u30a4\u30d0\u96c6\u7d04\u30b9\u30a4\u30c3\u30c1<\/p><\/li><li><p>\u30b3\u30a2\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u57fa\u76e4<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ad8\u901f10G\u300125G\u300140G\u3001\u304a\u3088\u3073100G\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u74b0\u5883\u3067\u306f\u3001\u7e70\u308a\u8fd4\u3057\u767a\u751f\u3059\u308bCRC\u30a8\u30e9\u30fc\u306f\u3001\u30ea\u30f3\u30af\u5185\u306e\u3069\u3053\u304b\u3067\u4fe1\u53f7\u4f1d\u9001\u304c\u4e0d\u5b89\u5b9a\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3059\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >SFP\u304a\u3088\u3073\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30ea\u30f3\u30af\u306b\u304a\u3051\u308b\u4e00\u822c\u7684\u306aCRC\u30a8\u30e9\u30fc\u306e\u30b7\u30ca\u30ea\u30aa<\/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>\u30c7\u30d0\u30a4\u30b9\uff0f\u30b7\u30ca\u30ea\u30aa<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u4e00\u822c\u7684\u306a\u75c7\u72b6<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u8003\u3048\u3089\u308c\u308b\u539f\u56e0<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u6700\u521d\u306b\u78ba\u8a8d\u3059\u3079\u304d\u3053\u3068<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>SFP+\u30d5\u30a1\u30a4\u30d0\u30fc\u30a2\u30c3\u30d7\u30ea\u30f3\u30af<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>CRC\u30ab\u30a6\u30f3\u30bf\u30fc\u306e\u5897\u52a0<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u6c5a\u308c\u305fLC\u30b3\u30cd\u30af\u30bf<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30d5\u30a1\u30a4\u30d0\u30fc\u7aef\u9762\u3092\u6e05\u6383\u3059\u308b<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>QSFP28 100G\u30ea\u30f3\u30af<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30d1\u30b1\u30c3\u30c8\u30c9\u30ed\u30c3\u30d7<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u904e\u5270\u306a\u5149\u640d\u5931<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u5149\u51fa\u529b\u30ec\u30d9\u30eb\u3092\u78ba\u8a8d\u3059\u308b<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30b9\u30a4\u30c3\u30c1\u30dd\u30fc\u30c8<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30d5\u30ec\u30fc\u30e0\u30a8\u30e9\u30fc<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u6545\u969c\u3057\u305f\u30dd\u30fc\u30c8\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30b1\u30fc\u30d6\u30eb\u3092\u5225\u306e\u30dd\u30fc\u30c8\u306b\u63a5\u7d9a\u3057\u76f4\u3059<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/direct-attach-cables-dac-in-networking\/\">DAC\u30b1\u30fc\u30d6\u30eb<\/a> \u63a5\u7d9a<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u4e0d\u5b9a\u671f\u306b\u767a\u751f\u3059\u308bCRC\u30b9\u30d1\u30a4\u30af<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u54c1\u8cea\u306e\u4f4e\u3044DAC\u30b1\u30fc\u30d6\u30eb<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>DAC\u30b1\u30fc\u30d6\u30eb\u3092\u4ea4\u63db\u3059\u308b<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u9577\u8ddd\u96e2\u30d5\u30a1\u30a4\u30d0\u30fc\u30ea\u30f3\u30af<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>CRC\uff0b\u518d\u9001\u4fe1<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u4fe1\u53f7\u6e1b\u8870<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u4f1d\u9001\u8ddd\u96e2\u3092\u78ba\u8a8d\u3059\u308b<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u30e1\u30fc\u30ab\u30fc\u6df7\u5408\u306e\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30ea\u30f3\u30af\u306e\u4e0d\u5b89\u5b9a<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/how-to-test-sfp-compatibility\/\">SFP\u306e\u4e92\u63db\u6027<\/a> \u554f\u984c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u8a8d\u5b9a\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u30c6\u30b9\u30c8\u3059\u308b<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >\u30b9\u30a4\u30c3\u30c1\u30dd\u30fc\u30c8\u306b\u304a\u3051\u308bCRC\u30a8\u30e9\u30fc<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ba1\u7406\u578b\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30b9\u30a4\u30c3\u30c1\u3067\u306f\u3001CRC\u30a8\u30e9\u30fc\u306f\u901a\u5e38\u4ee5\u4e0b\u306b\u8868\u793a\u3055\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u7d71\u8a08<\/p><\/li><li><p>\u30dd\u30fc\u30c8\u76e3\u8996\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/simple-network-management-protocol-snmp-network-monitoring\/\">SNMP<\/a> \u30ab\u30a6\u30f3\u30bf\u30fc<\/p><\/li><li><p>CLI\u8a3a\u65ad\u30b3\u30de\u30f3\u30c9<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3068\u3048\u3070\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Cisco\u30b9\u30a4\u30c3\u30c1\u3067\u306f\u300cinput errors\uff08\u5165\u529b\u30a8\u30e9\u30fc\uff09\u300d\u304a\u3088\u3073\u300cCRC\u300d\u3068\u8868\u793a\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u201c<\/p><\/li><li><p>Juniper\u30c7\u30d0\u30a4\u30b9\u3067\u306f\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8FCS\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059<\/p><\/li><li><p>MikroTik\u304a\u3088\u3073HPE\u30b9\u30a4\u30c3\u30c1\u3067\u306f\u30d5\u30ec\u30fc\u30e0\u30c1\u30a7\u30c3\u30af\u5931\u6557\u304c\u8a18\u9332\u3055\u308c\u307e\u3059<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\u30ab\u30a6\u30f3\u30c8\u304c\u6642\u9593\u3068\u3068\u3082\u306b\u7d99\u7d9a\u7684\u306b\u5897\u52a0\u3059\u308b\u5834\u5408\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u901a\u5e38\u4ee5\u4e0b\u3092\u8abf\u67fb\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p>\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u6e05\u6383\u72b6\u614b<\/p><\/li><li><p>\u30b1\u30fc\u30d6\u30eb\u306e\u5065\u5168\u6027<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/478230.htm\">\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb<\/a> \u4e92\u63db\u6027<\/p><\/li><li><p>\u30b9\u30a4\u30c3\u30c1\u30dd\u30fc\u30c8\u306e\u72b6\u614b<\/p><\/li><li><p>EMI\u5e72\u6e09\u6e90<\/p><\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" >SFP\u30e2\u30b8\u30e5\u30fc\u30eb\u304cCRC\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3057\u3084\u3059\u3044\u7406\u7531<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SFP\u304a\u3088\u3073 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/482749.htm\">QSFP\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc<\/a> \u304d\u308f\u3081\u3066\u9ad8\u3044\u4fe1\u53f7\u901f\u5ea6\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3068\u3048\u3070\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>10G SFP+ = 10.3125 Gbps\u30e9\u30a4\u30f3\u30ec\u30fc\u30c8<\/p><\/li><li><p>25G SFP28 = 25.78125 Gbps<\/p><\/li><li><p>100G QSFP28\u306f4\u672c\u306e\u96fb\u6c17\u30ec\u30fc\u30f3\u3092\u4f7f\u7528<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u3088\u3046\u306a\u9ad8\u901f\u5ea6\u3067\u306f\u3001\u7269\u7406\u5c64\u306e\u308f\u305a\u304b\u306a\u554f\u984c\u3067\u3082\u30d1\u30b1\u30c3\u30c8\u304c\u7834\u640d\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SFP\u95a2\u9023\u306e\u4e00\u822c\u7684\u306aCRC\u539f\u56e0\u306b\u306f\u4ee5\u4e0b\u304c\u542b\u307e\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u5149\u5b66\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u306e\u4e0d\u826f<\/p><\/li><li><p>\u6c5a\u308c\u305f\u30d5\u30a1\u30a4\u30d0\u30fc\u30b8\u30e3\u30f3\u30d1\u30fc<\/p><\/li><li><p>\u904e\u5927\u306a\u633f\u5165\u640d\u5931<\/p><\/li><li><p>\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u306e\u904e\u71b1<\/p><\/li><li><p>\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb<\/p><\/li><li><p>\u54c1\u8cea\u306e\u4f4e\u3044\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u306e\u305f\u3081\u3001\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u304a\u3088\u3073\u901a\u4fe1\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3057\u3070\u3057\u3070\u4ee5\u4e0b\u304c\u63a1\u7528\u3055\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/ddm-dom-in-optical-transceivers\/\">\u30d1\u30b9\u306e\u5065\u5eb7\u72b6\u614b\u3092\u76e3\u8996\u3059\u308b\u305f\u3081\u306e\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u6a5f\u80fd\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002<\/a> \u5149\u5b66\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<\/p><\/li><li><p>CRC\u30ab\u30a6\u30f3\u30bf\u30fc\u8ffd\u8de1<\/p><\/li><li><p>BER\uff08<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/understanding-what-is-bit-error-rate\/\">\u30d3\u30c3\u30c8\u8aa4\u308a\u7387<\/a>\uff09\u89e3\u6790<\/p><\/li><li><p>\u5149\u51fa\u529b\u8a3a\u65ad<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6545\u969c\u524d\u306e\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u3092\u672a\u7136\u306b\u9632\u3050\u305f\u3081\u3001\u52a3\u5316\u3057\u3064\u3064\u3042\u308b\u30ea\u30f3\u30af\u3092\u65e9\u671f\u306b\u7279\u5b9a\u3059\u308b\u305f\u3081\u306b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >CRC\u30a8\u30e9\u30fc\u306f\u3001\u30ea\u30f3\u30af\u969c\u5bb3\u306e\u521d\u671f\u5146\u5019\u3067\u3042\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\u30a8\u30e9\u30fc\u306f\u5358\u72ec\u3067\u73fe\u308c\u308b\u3053\u3068\u306f\u3081\u3063\u305f\u306b\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u969b\u306e\u5c55\u958b\u74b0\u5883\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u73fe\u8c61\u304c\u305d\u306e\u5f8c\u306b\u7d9a\u304f\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30d1\u30b1\u30c3\u30c8\u518d\u9001\u4fe1<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/what-is-throughput-in-network-communication-explained\/\">\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8<\/a> \u6e1b\u5c11<\/p><\/li><li><p>\u30ec\u30a4\u30c6\u30f3\u30b7\u30b9\u30d1\u30a4\u30af<\/p><\/li><li><p>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u30d5\u30ea\u30c3\u30d4\u30f3\u30b0<\/p><\/li><li><p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4e0d\u5b89\u5b9a\u5316<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u305f\u3081\u3001\u7d4c\u9a13\u8c4a\u5bcc\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3001\u7e70\u308a\u8fd4\u3057\u767a\u751f\u3059\u308bCRC\u30a8\u30e9\u30fc\u3092\u5358\u306a\u308b\u7d71\u8a08\u7684\u7570\u5e38\u3067\u306f\u306a\u304f\u3001\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u30fc\u306e\u521d\u671f\u6bb5\u968e\u306b\u304a\u3051\u308b\u8b66\u544a\u3068\u3057\u3066\u6271\u3044\u307e\u3059\u3002CRC\u30ab\u30a6\u30f3\u30bf\u30fc\u306e\u5897\u52a0\u306f\u3001\u901a\u5e38\u3001\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30ea\u30f3\u30af\u306e\u54c1\u8cea\u304c\u52a3\u5316\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udfe8 CRC\u30a8\u30e9\u30fc\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u624b\u9806\uff08\u30b9\u30c6\u30c3\u30d7\u30fb\u30d0\u30a4\u30fb\u30b9\u30c6\u30c3\u30d7\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\u30a8\u30e9\u30fc\u3092\u6700\u3082\u8fc5\u901f\u306b\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u65b9\u6cd5\u306f\u3001\u307e\u305a\u7269\u7406\u5c64\u3092\u8a3a\u65ad\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u304a\u3088\u3073SFP\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3044\u3066\u3001CRC\u30a8\u30e9\u30fc\u306f\u3001\u30b1\u30fc\u30d6\u30eb\u306e\u554f\u984c\u3001\u5149\u30d5\u30a1\u30a4\u30d0\u30b3\u30cd\u30af\u30bf\u306e\u6c5a\u308c\u3001\u4e92\u63db\u6027\u306e\u306a\u3044\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\u3001\u4fe1\u53f7\u6e1b\u8870\u3001\u307e\u305f\u306f\u30b9\u30a4\u30c3\u30c1\u30dd\u30fc\u30c8\u306e\u6545\u969c\u306b\u3088\u3063\u3066\u5f15\u304d\u8d77\u3053\u3055\u308c\u307e\u3059\u3002\u4f53\u7cfb\u7684\u306a\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u624b\u9806\u306b\u3088\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3001\u30d1\u30b1\u30c3\u30c8\u30ed\u30b9\u3001\u518d\u9001\u4fe1\u3001\u307e\u305f\u306f\u30ea\u30f3\u30af\u306e\u4e0d\u5b89\u5b9a\u5316\u304c\u672c\u756a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3059\u524d\u306b\u3001\u8fc5\u901f\u306b\u6839\u672c\u539f\u56e0\u3092\u7279\u5b9a\u3067\u304d\u307e\u3059\u3002.<\/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\">\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3092\u4ea4\u63db\u3059\u308b\u524d\u306b\u3001\u6700\u3082\u5358\u7d14\u306a\u7269\u7406\u7684\u30c1\u30a7\u30c3\u30af\u304b\u3089\u59cb\u3081\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u30b9\u30c6\u30c3\u30d71\uff1a\u30b1\u30fc\u30d6\u30eb\u304a\u3088\u3073\u7269\u7406\u63a5\u7d9a\u306e\u78ba\u8a8d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7269\u7406\u30b1\u30fc\u30d6\u30eb\u306e\u554f\u984c\u306f\u3001CRC\u30a8\u30e9\u30fc\u306e\u6700\u3082\u4e00\u822c\u7684\u306a\u539f\u56e0\u306e\u4e00\u3064\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u78ba\u8a8d\u9805\u76ee\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30d1\u30c3\u30c1\u30b3\u30fc\u30c9<\/p><\/li><li><p>\u5149\u30d5\u30a1\u30a4\u30d0\u30b8\u30e3\u30f3\u30d1\u30fc<\/p><\/li><li><p>DAC\/<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/aoc-explained-active-optical-cable-benefits-uses-advancements-guide\/\">AOC\u30b1\u30fc\u30d6\u30eb<\/a><\/p><\/li><li><p>LC\u30b3\u30cd\u30af\u30bf\u306e\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8<\/p><\/li><li><p>\u30b1\u30fc\u30d6\u30eb\u306e\u66f2\u3052\u534a\u5f84<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3088\u304f\u898b\u3089\u308c\u308b\u75c7\u72b6\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u4e0d\u5b9a\u671f\u306b\u767a\u751f\u3059\u308bCRC\u30b9\u30d1\u30a4\u30af<\/p><\/li><li><p>\u30d1\u30b1\u30c3\u30c8\u518d\u9001\u4fe1<\/p><\/li><li><p>\u30ea\u30f3\u30af\u30d5\u30e9\u30f3\u30d4\u30f3\u30b0<\/p><\/li><li><p>\u541e\u5410\u91cf\u306e\u4f4e\u4e0b<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5149\u30d5\u30a1\u30a4\u30d0\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3001\u9855\u5fae\u93e1\u30ec\u30d9\u30eb\u306e\u307b\u3053\u308a\u6c5a\u67d3\u3067\u3082\u633f\u5165\u640d\u5931\u304c\u5897\u52a0\u3057\u3001\u5149\u4fe1\u53f7\u54c1\u8cea\u304c\u52a3\u5316\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u30b9\u30c6\u30c3\u30d72\uff1aSFP\u307e\u305f\u306fQSFP\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u4e92\u63db\u6027\u306e\u78ba\u8a8d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f01\u696d\u5411\u3051\u30b9\u30a4\u30c3\u30c1\u3067\u306f\u3001\u4e92\u63db\u6027\u306e\u306a\u3044\u5149\u5b66\u90e8\u54c1\u304c\u983b\u7e41\u306bCRC\u304a\u3088\u3073FCS\u30a8\u30e9\u30fc\u3092\u767a\u751f\u3055\u305b\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u78ba\u8a8d\u9805\u76ee\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30d9\u30f3\u30c0\u30fc\u4e92\u63db\u6027<\/p><\/li><li><p>\u9001\u4fe1\u6ce2\u9577<\/p><\/li><li><p>\u5149\u30d5\u30a1\u30a4\u30d0\u306e\u7a2e\u985e\uff08<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/ieee-802-3-ethernet-standard-explained\/\">SMF\/MMF<\/a>)<\/p><\/li><li><p>DOM\/DDM\u8a3a\u65ad<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/optical-transceivers-operating-temperature-range\/\">\u52d5\u4f5c\u6e29\u5ea6<\/a><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3068\u3048\u3070\uff1a<\/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> \u591a\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\uff08MMF\uff09\u304c\u5fc5\u8981<\/p><\/li><li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476046.htm\">10GBASE-LR<\/a> \u5358\u4e00\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\uff08SMF\uff09\u304c\u5fc5\u8981<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e92\u63db\u6027\u306e\u306a\u3044\u5149\u5b66\u90e8\u54c1\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304c\u300c\u30a2\u30c3\u30d7\u300d\u3068\u8868\u793a\u3055\u308c\u3066\u3044\u3066\u3082\u3001\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30ea\u30f3\u30af\u304c\u4e0d\u5b89\u5b9a\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u201c<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u30b9\u30c6\u30c3\u30d73\uff1a\u30b9\u30a4\u30c3\u30c1\u30dd\u30fc\u30c8\u306b\u304a\u3051\u308bCRC\u30ab\u30a6\u30f3\u30bf\u306e\u76e3\u8996<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30de\u30cd\u30fc\u30b8\u30c9\u30b9\u30a4\u30c3\u30c1\u306f\u3001\u4ee5\u4e0b\u306e\u9805\u76ee\u3092\u7d99\u7d9a\u7684\u306b\u8ffd\u8de1\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30b1\u30fc\u30d6\u30eb\u304c\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001SFP\u30dd\u30fc\u30c8\u304c\u300c\u30c0\u30a6\u30f3\u300d\u3092\u8868\u793a\u3059\u308b\u306e\u306f\u306a\u305c\u3067\u3059\u304b\uff1f<\/p><\/li><li><p>FCS\u30a8\u30e9\u30fc<\/p><\/li><li><p>\u5165\u529b\u30a8\u30e9\u30fc<\/p><\/li><li><p>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u30c9\u30ed\u30c3\u30d7<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\u30ab\u30a6\u30f3\u30bf\u304c\u6642\u9593\u3068\u3068\u3082\u306b\u5897\u52a0\u3057\u3066\u3044\u308b\u5834\u5408\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30ea\u30f3\u30af\u306e\u4e21\u7aef\u3092\u6bd4\u8f03\u3059\u308b<\/p><\/li><li><p>\u30b1\u30fc\u30d6\u30eb\u3092\u5225\u306e\u30dd\u30fc\u30c8\u306b\u79fb\u52d5\u3059\u308b<\/p><\/li><li><p>\u5225\u306e\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u3067\u30c6\u30b9\u30c8\u3059\u308b<\/p><\/li><li><p>\u30a8\u30e9\u30fc\u304c\u30b1\u30fc\u30d6\u30eb\u306b\u8ffd\u968f\u3059\u308b\u304b\u3001\u3042\u308b\u3044\u306f\u30dd\u30fc\u30c8\u306b\u8ffd\u968f\u3059\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5fae\u7d30\u306a\u5b9a\u7fa9<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>CRC\u30ab\u30a6\u30f3\u30bf\uff1a<\/strong> \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u4e0a\u3067\u691c\u51fa\u3055\u308c\u305f\u7834\u640d\u30d5\u30ec\u30fc\u30e0\u306e\u6570\u3002.<\/p><\/li><li><p><strong>FCS\u30a8\u30e9\u30fc\uff1a<\/strong> \u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30d5\u30ec\u30fc\u30e0\u304cCRC\u691c\u8a3c\u306b\u5931\u6557\u3057\u305f\u72b6\u614b\u3002.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >\u30b9\u30c6\u30c3\u30d74\uff1a\u5149\u640d\u5931\u304a\u3088\u3073\u4f1d\u9001\u8ddd\u96e2\u306e\u78ba\u8a8d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4fe1\u53f7\u6e1b\u8870\u304c\u7279\u306b\u91cd\u8981\u3068\u306a\u308b\u306e\u306f\u4ee5\u4e0b\u306e\u5834\u5408\u3067\u3059\uff1a<\/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>\u9577\u8ddd\u96e2\u30d5\u30a1\u30a4\u30d0\u30fc\u30ea\u30f3\u30af<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u904e\u5270\u306a\u633f\u5165\u640d\u5931\u306f\u30d3\u30c3\u30c8\u8aa4\u308a\u7387\uff08BER\uff09\u3092\u4e0a\u6607\u3055\u305b\u3001\u6700\u7d42\u7684\u306bCRC\u30d5\u30ec\u30fc\u30e0\u306e\u7834\u640d\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b21\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u5149\u51fa\u529b\u30ec\u30d9\u30eb<\/p><\/li><li><p>\u30d5\u30a1\u30a4\u30d0\u9577<\/p><\/li><li><p>\u30b3\u30cd\u30af\u30bf\u640d\u5931<\/p><\/li><li><p>\u30d1\u30c3\u30c1\u30d1\u30cd\u30eb\u306e\u54c1\u8cea<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ad8\u901f\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u74b0\u5883\u3067\u306f\u3001\u308f\u305a\u304b\u306a\u5149\u30de\u30fc\u30b8\u30f3\u306e\u4f4e\u4e0b\u3067\u3082\u3001\u7e70\u308a\u8fd4\u3057\u767a\u751f\u3059\u308bCRC\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u30b9\u30c6\u30c3\u30d7 5\uff1a\u30b9\u30a4\u30c3\u30c1\u306e\u30ed\u30b0\u304a\u3088\u3073\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u30a2\u30e9\u30fc\u30e0\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b7\u30b9\u30b3\u3001\u30b8\u30e5\u30cb\u30d1\u30fc\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u3001\u30a2\u30ea\u30b9\u30bf\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306a\u3069\u306e\u4f01\u696d\u304c\u63d0\u4f9b\u3059\u308b\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u5411\u3051\u30b9\u30a4\u30c3\u30c1\u306f\u3001\u8a73\u7d30\u306a\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u8a3a\u65ad\u6a5f\u80fd\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u78ba\u8a8d\u9805\u76ee\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u30ea\u30bb\u30c3\u30c8\u30a4\u30d9\u30f3\u30c8<\/p><\/li><li><p>\u30ea\u30f3\u30af\u4e0d\u5b89\u5b9a\u8b66\u544a<\/p><\/li><li><p>DOM\uff08Digital Optical Monitoring\uff09\u30a2\u30e9\u30fc\u30e0<\/p><\/li><li><p>\u6e29\u5ea6\u30a2\u30e9\u30fc\u30c8<\/p><\/li><li><p>\u30d1\u30b1\u30c3\u30c8\u30c9\u30ed\u30c3\u30d7\u7d71\u8a08<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u518d\u767a\u3059\u308bCRC\u30a2\u30e9\u30fc\u30e0\u3068\u5897\u52a0\u3059\u308b\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u30a8\u30e9\u30fc\u304c\u4f75\u5b58\u3059\u308b\u5834\u5408\u3001\u7269\u7406\u30ea\u30f3\u30af\u306e\u52a3\u5316\u304c\u793a\u5506\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\ud83c\udf10 \u5b9f\u52d9\u306b\u304a\u3051\u308b\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u6d1e\u5bdf<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u5c55\u958b\u306b\u304a\u3044\u3066\u3001CRC\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306f\u3057\u3070\u3057\u3070\u5358\u7d14\u306a\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u539f\u5247\u306b\u5f93\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>CRC\u30a8\u30e9\u30fc\u304c\u30b1\u30fc\u30d6\u30eb\u307e\u305f\u306f\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u3068\u3068\u3082\u306b\u79fb\u52d5\u3059\u308b\u5834\u5408\u3001\u554f\u984c\u306f\u901a\u5e38\u30b9\u30a4\u30c3\u30c1\u5916\u90e8\u306b\u8d77\u56e0\u3057\u307e\u3059\u3002 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/what-is-application-specific-integrated-circuit-asic\/\">ASIC\uff08\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u7279\u5316\u578b\u96c6\u7a4d\u56de\u8def\uff09<\/a>.<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u591a\u304f\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c1\u30fc\u30e0\u306f\u3001\u6301\u7d9a\u7684\u306aCRC\u554f\u984c\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u89e3\u6c7a\u3057\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u54c1\u8cea\u306e\u4f4e\u3044DAC\u30b1\u30fc\u30d6\u30eb\u3092\u4ea4\u63db\u3059\u308b<\/p><\/li><li><p>\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u30b3\u30cd\u30af\u30bf\u3092\u6e05\u6383\u3059\u308b<\/p><\/li><li><p>\u8a8d\u8a3c\u6e08\u307fSFP\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u6a19\u6e96\u5316\u3059\u308b<\/p><\/li><li><p>\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u30de\u30eb\u30c1\u30d9\u30f3\u30c0\u30fc\u5149\u30c7\u30d0\u30a4\u30b9\u306e\u6df7\u5728\u3092\u6e1b\u3089\u3059<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ad8\u5bc6\u5ea625G\u304a\u3088\u3073100G\u74b0\u5883\u3067\u306f\u3001\u4e88\u9632\u7684\u306a\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u4fdd\u5b88\u306b\u3088\u308a\u3001CRC\u95a2\u9023\u306e\u969c\u5bb3\u304a\u3088\u3073\u518d\u9001\u4fe1\u30a4\u30d9\u30f3\u30c8\u3092\u5927\u5e45\u306b\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udfe8 \u9ad8\u901f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3051\u308bCRC\u30a8\u30e9\u30fc\u306e\u4e88\u9632\u65b9\u6cd5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\u30a8\u30e9\u30fc\u3092\u4e88\u9632\u3059\u308b\u6700\u3082\u52b9\u679c\u7684\u306a\u65b9\u6cd5\u306f\u3001\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u5168\u4f53\u306e\u7269\u7406\u5c64\u4fe1\u53f7\u54c1\u8cea\u3092\u5b89\u5b9a\u3055\u305b\u308b\u3053\u3068\u3067\u3059\u3002\u9ad8\u901f10G\u300125G\u3001100G\u3001400G\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3001\u4e92\u63db\u6027\u306e\u3042\u308bSFP\/QSFP\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u4f7f\u7528\u3001\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u30b3\u30cd\u30af\u30bf\u306e\u6e05\u6383\u3001\u5149\u640d\u5931\u306e\u7ba1\u7406\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9CRC\u30ab\u30a6\u30f3\u30bf\u30fc\u306e\u76e3\u8996\u3001\u304a\u3088\u3073\u914d\u7dda\u30fb\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u5c55\u958b\u306e\u6a19\u6e96\u5316\u306b\u3088\u3063\u3066\u3001CRC\u554f\u984c\u3092\u4e00\u822c\u7684\u306b\u4e88\u9632\u3067\u304d\u307e\u3059\u3002\u969c\u5bb3\u767a\u751f\u5f8c\u306e\u30d1\u30b1\u30c3\u30c8\u7834\u640d\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3088\u308a\u3082\u3001\u4e88\u9632\u4fdd\u5168\u304c\u306f\u308b\u304b\u306b\u52b9\u679c\u7684\u3067\u3059\u3002.<\/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\">\u591a\u304f\u306e\u518d\u767a\u6027CRC\u30a8\u30e9\u30fc\u306f\u3001\u9069\u5207\u306a\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u304a\u3088\u3073\u914d\u7dda\u5b9f\u8df5\u306b\u3088\u3063\u3066\u4e88\u9632\u53ef\u80fd\u3067\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u5bfe\u5fdc\u3059\u308b\u5149\u30e2\u30b8\u30e5\u30fc\u30eb\u304a\u3088\u3073\u914d\u7dda\u3092\u4f7f\u7528\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\u30a8\u30e9\u30fc\u306e\u6700\u3082\u4e00\u822c\u7684\u306a\u539f\u56e0\u306e\u4e00\u3064\u306f\u3001\u4e0d\u9069\u5408\u307e\u305f\u306f\u4f4e\u54c1\u8cea\u306e\u5149\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e38\u306b\u4ee5\u4e0b\u306e\u9805\u76ee\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>SFP\/SFP+\u306e\u4e92\u63db\u6027<\/p><\/li><li><p>\u30d5\u30a1\u30a4\u30d0\u30fc\u30bf\u30a4\u30d7\uff08SMF\u307e\u305f\u306fMMF\uff09<\/p><\/li><li><p>\u6ce2\u9577\u306e\u4e00\u81f4<\/p><\/li><li><p>\u30b3\u30cd\u30af\u30bf\u30bf\u30a4\u30d7<\/p><\/li><li><p>\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u898f\u683c\u306e\u30b5\u30dd\u30fc\u30c8<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3068\u3048\u3070\uff1a<\/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>\u5149\u5b66\u898f\u683c<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u30bf\u30a4\u30d7<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u901a\u5e38\u306e\u8ddd\u96e2<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"218\"><p>10GBASE-SR<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30de\u30eb\u30c1\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\uff08MMF\uff09<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u6700\u5927300m<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"218\"><p>10GBASE-LR<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\uff08SMF\uff09<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u6700\u592710km<\/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>\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\uff1aSFP28\uff0825G\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u306b\u4e92\u63db\uff09<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u6700\u5927100m<\/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>\u6700\u592710km<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u5149\u30c7\u30d0\u30a4\u30b9\u3084\u4e0d\u9069\u5207\u306a\u30d5\u30a1\u30a4\u30d0\u30fc\u30bf\u30a4\u30d7\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30ea\u30f3\u30af\u304c\u52d5\u4f5c\u3057\u3066\u3044\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u4e00\u6642\u7684\u306aCRC\u304a\u3088\u3073FCS\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u7aef\u9762\u3092\u6e05\u6f54\u306b\u4fdd\u3064<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6c5a\u308c\u305f\u5149\u30b3\u30cd\u30af\u30bf\u306f\u3001\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u306b\u304a\u3051\u308bCRC\u30a8\u30e9\u30fc\u306e\u4e3b\u306a\u539f\u56e0\u306e\u4e00\u3064\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6c5a\u67d3\u306b\u306f\u4ee5\u4e0b\u304c\u542b\u307e\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u7c89\u5875\u7c92\u5b50<\/p><\/li><li><p>\u6307\u7d0b\u6cb9<\/p><\/li><li><p>\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\u6b8b\u7559\u7269<\/p><\/li><li><p>\u7a7a\u4e2d\u6d6e\u904a\u5875<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3068\u3048\u9855\u5fae\u93e1\u30ec\u30d9\u30eb\u306e\u6c5a\u67d3\u3067\u3042\u3063\u3066\u3082\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u633f\u5165\u640d\u5931\u3092\u5897\u52a0\u3055\u305b\u307e\u3059<\/p><\/li><li><p>\u5149\u4fe1\u53f7\u54c1\u8cea\u3092\u4f4e\u4e0b\u3055\u305b\u307e\u3059<\/p><\/li><li><p>\u30d3\u30c3\u30c8\u30a8\u30e9\u30fc\u7387\uff08BER\uff09\u3092\u4e0a\u6607\u3055\u305b\u307e\u3059<\/p><\/li><li><p>CRC\u30d5\u30ec\u30fc\u30e0\u7834\u640d\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6700\u9069\u306a\u5b9f\u8df5<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u70b9\u691c\u304a\u3088\u3073\u6e05\u6383\u5bfe\u8c61\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>LC\u30b3\u30cd\u30af\u30bf<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/understanding-polarity-in-mtp-mpo-system-for-signal-integrity\/\">MPO\/MTP<\/a> \u300c\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u300d<\/p><\/li><li><p>\u30d1\u30c3\u30c1\u30d1\u30cd\u30eb<\/p><\/li><li><p>\u5149\u30d5\u30a1\u30a4\u30d0\u30b8\u30e3\u30f3\u30d1\u30fc<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a2d\u7f6e\u524d\u304a\u3088\u3073\u4fdd\u5b88\u30b5\u30a4\u30af\u30eb\u4e2d\u306b\u5b9f\u65bd\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u6545\u969c\u767a\u751f\u524d\u306eCRC\u30ab\u30a6\u30f3\u30bf\u30fc\u306e\u76e3\u8996<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7d4c\u9a13\u8c4a\u5bcc\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c1\u30fc\u30e0\u306f\u3001\u969c\u5bb3\u767a\u751f\u3092\u5f85\u305f\u305a\u306bCRC\u7d71\u8a08\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b7\u30b9\u30b3\u3001\u30b8\u30e5\u30cb\u30d1\u30fc\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u3001\u30a2\u30ea\u30b9\u30bf\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u6700\u65b0\u30b9\u30a4\u30c3\u30c1\u306f\u3001\u4ee5\u4e0b\u306e\u7d99\u7d9a\u7684\u306a\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u76e3\u8996\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30b1\u30fc\u30d6\u30eb\u304c\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001SFP\u30dd\u30fc\u30c8\u304c\u300c\u30c0\u30a6\u30f3\u300d\u3092\u8868\u793a\u3059\u308b\u306e\u306f\u306a\u305c\u3067\u3059\u304b\uff1f<\/p><\/li><li><p>FCS\u30a8\u30e9\u30fc<\/p><\/li><li><p>\u30d1\u30b1\u30c3\u30c8\u30c9\u30ed\u30c3\u30d7<\/p><\/li><li><p>BER\u306e\u50be\u5411<\/p><\/li><li><p>\u5149\u5b66DOM\u30e1\u30c8\u30ea\u30af\u30b9<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5fae\u7d30\u306a\u5b9a\u7fa9<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>CRC\u30ab\u30a6\u30f3\u30bf\uff1a<\/strong> \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u4e0a\u3067\u691c\u51fa\u3055\u308c\u305f\u7834\u640d\u3057\u305fEthernet\u30d5\u30ec\u30fc\u30e0\u306e\u6570\u3092\u8a18\u9332\u3057\u307e\u3059\u3002.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3086\u3063\u304f\u308a\u3068\u5897\u52a0\u3059\u308bCRC\u30ab\u30a6\u30f3\u30bf\u30fc\u306f\u3001\u3057\u3070\u3057\u3070\u4ee5\u4e0b\u3092\u793a\u5506\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u521d\u671f\u6bb5\u968e\u306e\u5149\u5b66\u7684\u52a3\u5316<\/p><\/li><li><p>\u30b1\u30fc\u30d6\u30eb\u306e\u7d4c\u5e74\u52a3\u5316<\/p><\/li><li><p>\u30dd\u30fc\u30c8\u306e\u4e0d\u5b89\u5b9a\u6027<\/p><\/li><li><p>\u4fe1\u53f7\u30de\u30fc\u30b8\u30f3\u306e\u4e0d\u8db3<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3046\u3057\u305f\u50be\u5411\u3092\u65e9\u671f\u306b\u691c\u51fa\u3059\u308b\u3053\u3068\u3067\u3001\u5927\u898f\u6a21\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u969c\u5bb3\u3092\u672a\u7136\u306b\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u5149\u5b66\u640d\u5931\u304a\u3088\u3073\u30ea\u30f3\u30af\u4e88\u7b97\u306e\u5236\u5fa1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ad8\u901fEthernet\u30ea\u30f3\u30af\u306f\u3001\u53b3\u683c\u306a\u5149\u51fa\u529b\u8981\u4ef6\u3092\u6709\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b89\u5b9a\u3057\u305f\u4f1d\u9001\u306e\u305f\u3081\u306b\u306f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u5168\u633f\u5165\u640d\u5931\u304c\u4ed5\u69d8\u7bc4\u56f2\u5185\u306b\u53ce\u307e\u3063\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059<\/p><\/li><li><p>\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u66f2\u3052\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059<\/p><\/li><li><p>\u30d1\u30c3\u30c1\u30d1\u30cd\u30eb\u306e\u640d\u5931\u3092\u5236\u5fa1\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059<\/p><\/li><li><p>\u30b3\u30cd\u30af\u30bf\u304b\u3089\u306e\u53cd\u5c04\u3092\u4f4e\u6e1b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">25G\u304a\u3088\u3073100G Ethernet\u74b0\u5883\u3067\u306f\u3001\u308f\u305a\u304b\u306a\u5149\u5b66\u30de\u30fc\u30b8\u30f3\u306e\u640d\u5931\u3067\u3082CRC\u30a8\u30e9\u30fc\u304c\u8457\u3057\u304f\u5897\u52a0\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5168\u4f53\u306b\u304a\u3051\u308b\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u30fc\u306e\u6a19\u6e96\u5316<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30e1\u30fc\u30ab\u30fc\u6df7\u5408\u69cb\u6210\u3067\u306f\u3001\u76f8\u4e92\u904b\u7528\u6027\u306e\u554f\u984c\u304c\u751f\u3058\u3001CRC\u306e\u4e0d\u5b89\u5b9a\u6027\u304c\u5897\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u591a\u304f\u306e\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u904b\u7528\u8005\u306f\u3001\u4ee5\u4e0b\u306e\u9805\u76ee\u3092\u6a19\u6e96\u5316\u3059\u308b\u3053\u3068\u3067CRC\u95a2\u9023\u306e\u554f\u984c\u3092\u8efd\u6e1b\u3057\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>SFP\u30d9\u30f3\u30c0\u30fc<\/p><\/li><li><p>DAC\u30b1\u30fc\u30d6\u30eb\u306e\u7a2e\u985e<\/p><\/li><li><p>\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u30fc<\/p><\/li><li><p>\u30b9\u30a4\u30c3\u30c1\u306e\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u30d0\u30fc\u30b8\u30e7\u30f3<\/p><\/li><li><p>\u5149\u5b66\u76e3\u8996\u30dd\u30ea\u30b7\u30fc<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ad8\u5bc6\u5ea6AI\u30af\u30e9\u30b9\u30bf\u30fc\u3001\u30af\u30e9\u30a6\u30c9\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u3001\u304a\u3088\u3073\u901a\u4fe1\u4e8b\u696d\u8005\u74b0\u5883\u306b\u304a\u3044\u3066\u3001\u7a4d\u6975\u7684\u306aCRC\u9632\u6b62\u7b56\u306f\u3001\u5358\u306a\u308b\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3067\u306f\u306a\u304f\u3001\u9577\u671f\u7684\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4fe1\u983c\u6027\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306e\u4e00\u74b0\u3068\u898b\u306a\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udfe8 CRC\u30a8\u30e9\u30fc\u306b\u95a2\u3059\u308bFAQ<\/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\uff1a\u30b9\u30a4\u30c3\u30c1\u30dd\u30fc\u30c8\u3067\u6025\u306bCRC\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u7406\u7531\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\u30a8\u30e9\u30fc\u306f\u901a\u5e38\u3001\u30b9\u30a4\u30c3\u30c1\u304c\u7834\u640d\u3057\u305fEthernet\u30d5\u30ec\u30fc\u30e0\u3092\u53d7\u4fe1\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u5834\u5408\u3001\u3053\u306e\u554f\u984c\u306f\u7269\u7406\u5c64\u306b\u95a2\u9023\u3057\u3066\u304a\u308a\u3001\u6c5a\u308c\u305f\u30d5\u30a1\u30a4\u30d0\u30b3\u30cd\u30af\u30bf\u3001\u640d\u50b7\u3057\u305f\u30b1\u30fc\u30d6\u30eb\u3001\u4e0d\u5b89\u5b9a\u306aSFP\u30e2\u30b8\u30e5\u30fc\u30eb\u3001\u307e\u305f\u306f\u4fe1\u53f7\u6e1b\u8870\u306a\u3069\u304c\u539f\u56e0\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f01\u696d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3001CRC\u30ab\u30a6\u30f3\u30bf\u306e\u5897\u52a0\u306f\u3001\u30d1\u30b1\u30c3\u30c8\u30ed\u30b9\u304c\u76ee\u306b\u898b\u3048\u308b\u3088\u3046\u306b\u306a\u308b\u524d\u306e\u30ea\u30f3\u30af\u52a3\u5316\u306e\u65e9\u671f\u8b66\u544a\u30b5\u30a4\u30f3\u3067\u3042\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\u30a8\u30e9\u30fc\u306f\u901a\u5e38\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u554f\u984c\u3067\u306f\u306a\u304f\u3001\u4f1d\u9001\u306e\u554f\u984c\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Q2: \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a8\u30e9\u30fc\u691c\u51fa\u306b\u304a\u3044\u3066\u3001CRC\u306f\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u3088\u308a\u3082\u512a\u308c\u3066\u3044\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u306f\u3044\u3002CRC\u306f\u5f93\u6765\u306e\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u3088\u308a\u3082\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u3001Ethernet\u304a\u3088\u3073\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u3088\u304f\u898b\u3089\u308c\u308b\u30d0\u30fc\u30b9\u30c8\u30a8\u30e9\u30fc\u3092\u542b\u3080\u3001\u3088\u308a\u8907\u96d1\u306a\u4f1d\u9001\u969c\u5bb3\u30d1\u30bf\u30fc\u30f3\u3092\u691c\u51fa\u3067\u304d\u307e\u3059\u3002.<\/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>\u6280\u8853<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u691c\u51fa\u80fd\u529b<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u4e3b\u306a\u7528\u9014<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u30c1\u30a7\u30c3\u30af\u30b5\u30e0<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u57fa\u672c\u7684<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30d5\u30a1\u30a4\u30eb\u3001\u30b7\u30f3\u30d7\u30eb\u306a\u30d7\u30ed\u30c8\u30b3\u30eb<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>CRC<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u9ad8\u5ea6<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ethernet\u3001SFP\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>ECC<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u691c\u51fa\uff0b\u8a02\u6b63<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30e1\u30e2\u30ea\u3001\u30b9\u30c8\u30ec\u30fc\u30b8<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u306e\u305f\u3081\u3001\u73fe\u4ee3\u306eEthernet\u898f\u683c\u3067\u306fCRC\u30d9\u30fc\u30b9\u306e\u30d5\u30ec\u30fc\u30e0\u30c1\u30a7\u30c3\u30af\u30b7\u30fc\u30b1\u30f3\u30b9\uff08FCS\uff09\u691c\u8a3c\u304c\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Q3: \u4e0d\u826f\u306aSFP\u30e2\u30b8\u30e5\u30fc\u30eb\u306fCRC\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u306f\u3044\u3002\u4e0d\u5b89\u5b9a\u307e\u305f\u306f\u4e92\u63db\u6027\u306e\u306a\u3044SFP\uff0fSFP+\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u30d5\u30a1\u30a4\u30d0\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3051\u308bCRC\u30a8\u30e9\u30fc\u306e\u4e00\u822c\u7684\u306a\u539f\u56e0\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u822c\u7684\u306a\u539f\u56e0\u306b\u306f\u4ee5\u4e0b\u304c\u542b\u307e\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u6c5a\u308c\u305fLC\u30b3\u30cd\u30af\u30bf<\/p><\/li><li><p>\u5149\u4fe1\u53f7\u54c1\u8cea\u306e\u4f4e\u4e0b<\/p><\/li><li><p>\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u5149\u5b66\u90e8\u54c1<\/p><\/li><li><p>\u4f4e\u54c1\u8cea\u306eDAC\u30b1\u30fc\u30d6\u30eb<\/p><\/li><li><p>\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u306e\u904e\u71b1<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">10G\u300125G\u3001100G Ethernet\u901f\u5ea6\u3067\u306f\u3001\u308f\u305a\u304b\u306a\u4fe1\u53f7\u54c1\u8cea\u306e\u554f\u984c\u3067\u3082\u30d1\u30b1\u30c3\u30c8\u3092\u7834\u640d\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Q4: \u306a\u305c25G\u304a\u3088\u3073100G\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306fCRC\u30a8\u30e9\u30fc\u304c\u3088\u308a\u983b\u7e41\u306b\u767a\u751f\u3059\u308b\u306e\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ad8\u901fEthernet\u30ea\u30f3\u30af\u306f\u3001\u4fe1\u53f7\u8a31\u5bb9\u7bc4\u56f2\u306e\u30de\u30fc\u30b8\u30f3\u304c\u975e\u5e38\u306b\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">25G SFP28\u304a\u3088\u3073100G QSFP28\u74b0\u5883\u3067\u306f\u3001\u308f\u305a\u304b\u306a\u5149\u640d\u5931\u3001\u30b3\u30cd\u30af\u30bf\u306e\u6c5a\u67d3\u3001\u307e\u305f\u306f\u633f\u5165\u640d\u5931\u306b\u3088\u3063\u3066\u30d3\u30c3\u30c8\u30a8\u30e9\u30fc\u7387\uff08BER\uff09\u304c\u6025\u901f\u306b\u4e0a\u6607\u3057\u3001CRC\u30d5\u30ec\u30fc\u30e0\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u9ad8\u901f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3001\u3088\u308a\u30af\u30ea\u30fc\u30f3\u3067\u5b89\u5b9a\u3057\u305f\u7269\u7406\u30ea\u30f3\u30af\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002.<\/p><\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" >Q5: \u30ea\u30f3\u30af\u304c\u6b63\u5e38\u306b\u7dad\u6301\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3067\u3082\u3001CRC\u30a8\u30e9\u30fc\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u9045\u304f\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u306f\u3044\u3002\u30ea\u30f3\u30af\u306f\u52d5\u4f5c\u3092\u7d99\u7d9a\u3057\u3066\u3044\u308b\u4e00\u65b9\u3067\u3001\u7834\u640d\u3057\u305f\u30d5\u30ec\u30fc\u30e0\u304c\u7d99\u7d9a\u7684\u306b\u7834\u68c4\u3055\u308c\u3001\u518d\u9001\u4fe1\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u306b\u3088\u308a\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5f71\u97ff\u304c\u751f\u3058\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30ec\u30a4\u30c6\u30f3\u30b7\u306e\u5897\u52a0<\/p><\/li><li><p>\u541e\u5410\u91cf\u306e\u4f4e\u4e0b<\/p><\/li><li><p>TCP\u518d\u9001\u4fe1<\/p><\/li><li><p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4e0d\u5b89\u5b9a\u5316<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u591a\u304f\u306e\u5834\u5408\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304c\u5b9f\u969b\u306b\u30c0\u30a6\u30f3\u3059\u308b\u524d\u306b\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5fdc\u7b54\u304c\u9045\u3044\u300d\u3068\u611f\u3058\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Q6: \u30d5\u30a1\u30a4\u30d0\u30ea\u30f3\u30af\u4e0a\u306eCRC\u30a8\u30e9\u30fc\u3092\u6700\u3082\u8fc5\u901f\u306b\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u307b\u3068\u3093\u3069\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3001CRC\u30a8\u30e9\u30fc\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u3053\u306e\u9806\u5e8f\u3067\u884c\u3044\u307e\u3059\uff1a<\/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>\u512a\u5148\u5ea6<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u63a8\u5968\u30a2\u30af\u30b7\u30e7\u30f3<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"219\"><p>1<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30d5\u30a1\u30a4\u30d0\u30b3\u30cd\u30af\u30bf\u3092\u6e05\u6383\u3059\u308b<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"219\"><p>2<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30d1\u30c3\u30c1\u30b1\u30fc\u30d6\u30eb\u3092\u4ea4\u63db\u3059\u308b<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"219\"><p>3<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SFP\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u5165\u308c\u66ff\u3048\u308b<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"219\"><p>4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u5149\u51fa\u529b\u30ec\u30d9\u30eb\u3092\u78ba\u8a8d\u3059\u308b<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"219\"><p>5<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u5225\u306e\u30b9\u30a4\u30c3\u30c1\u30dd\u30fc\u30c8\u3067\u30c6\u30b9\u30c8\u3059\u308b<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u7269\u7406\u5c64\u3092\u512a\u5148\u3059\u308b\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u3088\u308a\u3001\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u304a\u3088\u3073SFP\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3051\u308b\u307b\u3068\u3093\u3069\u306eCRC\u554f\u984c\u304c\u89e3\u6c7a\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udfe8 \u7d50\u8ad6\uff1a\u306a\u305c\u73fe\u4ee3\u306e\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u304a\u3088\u3073SFP\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3044\u3066CRC\u76e3\u8996\u304c\u91cd\u8981\u306a\u306e\u304b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CRC\uff08\u5de1\u56de\u5197\u9577\u691c\u67fb\uff09\u306f\u3001\u73fe\u4ee3\u306e\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u901a\u4fe1\u306b\u304a\u3044\u3066\u30c7\u30fc\u30bf\u6574\u5408\u6027\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306e\u6700\u3082\u91cd\u8981\u306a\u30e1\u30ab\u30cb\u30ba\u30e0\u306e1\u3064\u3067\u3059\u3002\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u5411\u3051\u30b9\u30a4\u30c3\u30c1\u3001\u7523\u696d\u7528\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001AI\u30af\u30e9\u30b9\u30bf\u3001\u9ad8\u901f\u5149\u30d5\u30a1\u30a4\u30d0\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306e\u3044\u305a\u308c\u306b\u304a\u3044\u3066\u3082\u3001CRC\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u30b7\u30b9\u30c6\u30e0\u3001\u307e\u305f\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5b89\u5b9a\u6027\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u524d\u306b\u3001\u7834\u640d\u3057\u305f\u30d1\u30b1\u30c3\u30c8\u3092\u691c\u51fa\u3057\u307e\u3059\u3002.<\/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\">\u5b9f\u969b\u306e\u5c55\u958b\u74b0\u5883\u3067\u306f\u3001\u7e70\u308a\u8fd4\u3057\u767a\u751f\u3059\u308bCRC\u30a8\u30e9\u30fc\u306f\u3001\u307b\u3068\u3093\u3069\u304c\u5076\u7136\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u3089\u306f\u901a\u5e38\u3001\u4ee5\u4e0b\u306e\u554f\u984c\u306e\u521d\u671f\u5146\u5019\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u4fe1\u53f7\u54c1\u8cea\u306e\u52a3\u5316<\/p><\/li><li><p>\u30d5\u30a1\u30a4\u30d0\u30b3\u30cd\u30af\u30bf\u304c\u6c5a\u308c\u3066\u3044\u308b<\/p><\/li><li><p>\u640d\u50b7\u3057\u305f\u30b1\u30fc\u30d6\u30eb<\/p><\/li><li><p>\u5149\u6e1b\u8870<\/p><\/li><li><p>\u4e0d\u5b89\u5b9a\u306a\u30b9\u30a4\u30c3\u30c1\u30dd\u30fc\u30c8<\/p><\/li><li><p>\u4e0d\u4e92\u63db\u306eSFP\u30e2\u30b8\u30e5\u30fc\u30eb<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c25G\u3001100G\u3001400G\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u3078\u3068\u9032\u5316\u3057\u7d9a\u3051\u308b\u306b\u3064\u308c\u3001\u7269\u7406\u5c64\u306e\u6027\u80fd\u3092\u5b89\u5b9a\u7684\u306b\u7dad\u6301\u3059\u308b\u3053\u3068\u304c\u307e\u3059\u307e\u3059\u91cd\u8981\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u4e88\u9632\u7684\u306aCRC\u76e3\u8996\u3001\u9069\u5207\u306a\u5149\u30d5\u30a1\u30a4\u30d0\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u4e92\u63db\u6027\u306f\u3001\u73fe\u5728\u3001\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u304a\u3088\u3073\u901a\u4fe1\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u904b\u7528\u306b\u304a\u3044\u3066\u4e0d\u53ef\u6b20\u306a\u8981\u7d20\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow 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class=\"wp-block-paragraph\">\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u5411\u3051SFP\u3001SFP+\u3001SFP28\u3001QSFP\u5149\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u3092\u4ee5\u4e0b\u3067\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\uff1a <a target=\"_self\" href=\"https:\/\/www.l-p.com\/\">LINK-PP\u516c\u5f0f\u30b9\u30c8\u30a2<\/a> \u5b89\u5b9a\u7684\u304b\u3064\u9ad8\u6027\u80fd\u306a\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u63a5\u7d9a\u306e\u305f\u3081\u306b\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>CRC\u3068\u306f\u4f55\u304b\u3001\u5de1\u56de\u5197\u9577\u691c\u67fb\uff08CRC\uff09\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u7406\u7531\u3001\u305d\u306e\u4fee\u6b63\u65b9\u6cd5\u3001\u304a\u3088\u3073\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u3001SFP\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u304a\u3044\u3066CRC\u304c\u91cd\u8981\u306a\u7406\u7531\u3092\u7406\u89e3\u3057\u307e\u3059\u3002.<\/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\/ja\/wp-json\/wp\/v2\/posts\/7291","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/comments?post=7291"}],"version-history":[{"count":6,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts\/7291\/revisions"}],"predecessor-version":[{"id":10687,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts\/7291\/revisions\/10687"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/media\/7290"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/media?parent=7291"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/categories?post=7291"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/tags?post=7291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}