{"id":2722,"date":"2026-03-31T00:00:00","date_gmt":"2026-03-31T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/products\/qsfp-40gbase-lr4-specs-compatibility-guide\/"},"modified":"2026-06-22T03:40:41","modified_gmt":"2026-06-22T03:40:41","slug":"qsfp-40gbase-lr4-specs-compatibility-guide","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ja\/products\/qsfp-40gbase-lr4-specs-compatibility-guide","title":{"rendered":"QSFP+ 40GBASE-LR4\u306e\u4ed5\u69d8\u3001\u4e92\u63db\u6027\u3001\u304a\u3088\u3073\u9078\u5b9a\u65b9\u6cd5"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"536\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/95a3e8a8b77840a8bf7531ac53a5a1ea-1024x536.jpg\" alt=\"QSFP+ 40GBASE-LR4 Specs, Compatibility, and How to Choose\" class=\"wp-image-2712\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/95a3e8a8b77840a8bf7531ac53a5a1ea-1024x536.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/95a3e8a8b77840a8bf7531ac53a5a1ea-300x157.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/95a3e8a8b77840a8bf7531ac53a5a1ea-768x402.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/95a3e8a8b77840a8bf7531ac53a5a1ea-18x9.jpg 18w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/95a3e8a8b77840a8bf7531ac53a5a1ea.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u7d99\u7d9a\u7684\u306b\u5897\u52a0\u3057\u3001\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u3088\u308a\u9ad8\u3044\u5e2f\u57df\u5e45\u3092\u8981\u6c42\u3059\u308b\u4e2d\u3001 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/482487.htm\">QSFP+ 40GBASE-LR4<\/a> \u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u306f\u3001\u9577\u8ddd\u96e2\u306b\u308f\u305f\u308b\u4fe1\u983c\u6027\u306e\u9ad8\u304440Gbps\u63a5\u7d9a\u3092\u5b9f\u73fe\u3059\u308b\u5e83\u304f\u63a1\u7528\u3055\u308c\u3066\u3044\u308b\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306e\u307e\u307e\u3067\u3042\u308b\u3002\u30ad\u30e3\u30f3\u30d1\u30b9\u306e\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u3092\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u5834\u5408\u3067\u3082\u3001\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u9593\u63a5\u7d9a\uff08<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/data-center-interconnect-definition-benefits-and-role-of-optical-modules\/\">DCI<\/a>\uff09\u3092\u69cb\u7bc9\u3059\u308b\u5834\u5408\u3067\u3082\u3001\u65e2\u5b58\u306e\u30d5\u30a1\u30a4\u30d0\u30fc\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u30fc\u3092\u6700\u9069\u5316\u3059\u308b\u5834\u5408\u3067\u3082\u3001 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/482438.htm\">QSFP+ LR4<\/a> \u306e\u52d5\u4f5c\u539f\u7406\u304a\u3088\u3073\u9069\u5207\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u9078\u5b9a\u65b9\u6cd5\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u5b89\u5b9a\u3057\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u77ed\u8ddd\u96e2\u7528\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u306f\u7570\u306a\u308a\u300140GBASE-LR4\u306f\u6ce2\u9577\u5206\u5272\u591a\u91cd\u5316\uff08WDM\uff09\u3092\u7528\u3044\u3066\u3001\u5358\u4e00\u306e\u5358\u4e00\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u30da\u30a2\u4e0a\u30674\u3064\u306e\u72ec\u7acb\u3057\u305f10Gbps\u4fe1\u53f7\u3092\u9001\u4fe1\u3059\u308b\u3002\u3053\u306e\u8a2d\u8a08\u306b\u3088\u308a\u3001\u6700\u592710 km\u306e\u4f1d\u9001\u8ddd\u96e2\u3092\u5b9f\u73fe\u3057\u3064\u3064\u3001SR4\u306a\u3069\u306e\u4e26\u5217\u5149\u5b66\u6280\u8853\u3068\u6bd4\u8f03\u3057\u3066\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u8907\u96d1\u3055\u3092\u4f4e\u6e1b\u3059\u308b\u3002\u305f\u3060\u3057\u3001\u3053\u308c\u306b\u3088\u308a\u4e92\u63db\u6027\u3001\u30d5\u30a1\u30a4\u30d0\u30fc\u8981\u4ef6\u3001\u5c55\u958b\u7cbe\u5ea6\u3068\u3044\u3063\u305f\u65b0\u305f\u306a\u8ab2\u984c\u3082\u751f\u3058\u3066\u304a\u308a\u3001\u5b9f\u969b\u306e\u904b\u7528\u306b\u304a\u3044\u3066\u591a\u304f\u306e\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u9818\u57df\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u201c\u300cQSFP+ 40GBASE-LR4\u3068\u306f\u4f55\u304b\uff1f\u300d\u3068\u3044\u3046\u554f\u3044\u306f\u3001<\/em>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u3053\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u79c1\u306e\u30b9\u30a4\u30c3\u30c1\u307e\u305f\u306f\u30eb\u30fc\u30bf\u30fc\u3067\u52d5\u4f5c\u3057\u307e\u3059\u304b\uff1f<\/p><\/li>\n\n\n\n<li><p>\u65e2\u5b58\u306e\u30d5\u30a1\u30a4\u30d0\u30fc\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u30fc\u3092\u6d3b\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<\/p><\/li>\n\n\n\n<li><p>\u306a\u305c\u79c1\u306eLR4\u30ea\u30f3\u30af\u304c\u671f\u5f85\u901a\u308a\u306b\u52d5\u4f5c\u3057\u306a\u3044\u306e\u3067\u3059\u304b\uff1f<\/p><\/li>\n\n\n\n<li><p>100G\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3068\u6bd4\u8f03\u3057\u3066\u3001LR4\u3092\u5c0e\u5165\u3059\u308b\u4fa1\u5024\u306f\u307e\u3060\u3042\u308a\u307e\u3059\u304b\uff1f<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u30ac\u30a4\u30c9\u306f\u3001\u3053\u3046\u3057\u305f\u5177\u4f53\u7684\u306a\u7591\u554f\u306b\u7b54\u3048\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u4f5c\u6210\u3055\u308c\u305f\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u672c\u30ac\u30a4\u30c9\u3067\u5b66\u3079\u308b\u3053\u3068<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u8a18\u4e8b\u3092\u8aad\u3080\u3053\u3068\u3067\u3001\u4ee5\u4e0b\u306e\u77e5\u8b58\u304c\u5f97\u3089\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>QSFP+ 40GBASE-LR4\u306e\u4ed5\u69d8\u304a\u3088\u3073\u52d5\u4f5c\u539f\u7406\u306b\u3064\u3044\u3066\u660e\u78ba\u306a\u7406\u89e3<\/p><\/li>\n\n\n\n<li><p>\u9ad8\u984d\u306a\u5c55\u958b\u30df\u30b9\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306e\u5b9f\u7528\u7684\u306a\u4e92\u63db\u6027\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/p><\/li>\n\n\n\n<li><p>\u3088\u308a\u826f\u3044\u610f\u601d\u6c7a\u5b9a\u3092\u652f\u63f4\u3059\u308b\u305f\u3081\u306e <a href=\"https:\/\/www.l-p.com\/products\/482491.htm\" target=\"_self\">LR4<\/a> \u3068. <a href=\"https:\/\/www.l-p.com\/products\/482749.htm\" target=\"_self\">SR4<\/a> \u3068. <a href=\"https:\/\/www.l-p.com\/products\/472716.htm\" target=\"_self\">ER4<\/a> \u306e\u6bd4\u8f03<\/p><\/li>\n\n\n\n<li><p>\u5b9f\u969b\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u969c\u5bb3\u306b\u57fa\u3065\u304f\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u6226\u7565<\/p><\/li>\n\n\n\n<li><p>\u4fe1\u983c\u6027\u306e\u9ad8\u3044QSFP+ LR4\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u9078\u5b9a\u3059\u308b\u305f\u3081\u306e\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u65b0\u898f\u5c55\u958b\u3092\u8a08\u753b\u4e2d\u3067\u3042\u308c\u3001\u65e2\u5b58\u30ea\u30f3\u30af\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u884c\u3063\u3066\u3044\u308b\u306e\u3067\u3042\u308c\u3001\u672c\u30ac\u30a4\u30c9\u306f\u3001QSFP+ 40GBASE-LR4\u5149\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u3092\u6271\u3046\u969b\u306b\u3001\u60c5\u5831\u306b\u57fa\u3065\u3044\u305f\u4f4e\u30ea\u30b9\u30af\u306a\u5224\u65ad\u3092\u652f\u63f4\u3059\u308b\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udccc QSFP+ 40GBASE-LR4\u3068\u306f\uff1f\uff08\u6280\u8853\u7684\u6982\u8981\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">QSFP+ 40GBASE-LR4\u306f\u3001IEEE 802.3ba\u3067\u5b9a\u7fa9\u3055\u308c\u305f40Gbps\u5149\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u6a19\u6e96\u3067\u3042\u308a\u3001\u5358\u4e00\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\uff08\u6700\u592710 km\uff09\u4e0a\u3067\u306e\u9577\u8ddd\u96e2\u30c7\u30fc\u30bf\u4f1d\u9001\u3092\u76ee\u7684\u3068\u3057\u3066\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6ce2\u9577\u5206\u5272\u591a\u91cd\u5316\uff08WDM\uff09\u3092\u7528\u3044\u3066\u30014\u3064\u306e10Gbps\u4fe1\u53f7\u30921\u3064\u306e\u30ea\u30f3\u30af\u306b\u7d50\u5408\u3057\u3001\u308f\u305a\u304b2\u672c\u306e\u30d5\u30a1\u30a4\u30d0\u30fc\uff08LC\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\uff09\u3067\u9ad8\u901f\u63a5\u7d9a\u3092\u5b9f\u73fe\u3057\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\/53e7a1d5f8914c048080e35e8c7b01a9.jpg\" alt=\"What Is QSFP+ 40GBASE-LR4? \" class=\"wp-image-2713\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/53e7a1d5f8914c048080e35e8c7b01a9.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/53e7a1d5f8914c048080e35e8c7b01a9-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/53e7a1d5f8914c048080e35e8c7b01a9-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/53e7a1d5f8914c048080e35e8c7b01a9-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/53e7a1d5f8914c048080e35e8c7b01a9-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9a\u7fa9\u304a\u3088\u3073IEEE\u6a19\u6e96<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/482492.htm\">40GBASE-LR4<\/a> \u306f\u300140\u30ae\u30d3\u30c3\u30c8\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u5411\u3051\u306b <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/what-is-ieee-802-3ba-standard\/\">IEEE 802.3ba<\/a> \u4ed5\u69d8\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u30ed\u30f3\u30b0\u30ea\u30fc\u30c1\u5149\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u6a19\u6e96\u3067\u3059\u3002\u5358\u4e00\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\uff08SMF\uff09\u4e0a\u3067\u6700\u592710\u30ad\u30ed\u30e1\u30fc\u30c8\u30eb\u306e\u4f1d\u9001\u8ddd\u96e2\u3092\u5b9f\u73fe\u3059\u308b40Gbps\u306e\u9ad8\u901f\u30c7\u30fc\u30bf\u4f1d\u9001\u3092\u63d0\u4f9b\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u300cQSFP+\u300d\u30d5\u30a9\u30fc\u30e0\u30d5\u30a1\u30af\u30bf\u30fc\uff08\u30af\u30a2\u30c3\u30c9\u30fb\u30b9\u30e2\u30fc\u30eb\u30fb\u30d5\u30a9\u30fc\u30e0\u30d5\u30a1\u30af\u30bf\u30fc\u30d7\u30e9\u30b0\u30a2\u30d6\u30eb\u30fb\u30d7\u30e9\u30b9\uff09\u306b\u3088\u308a\u3001\u30b3\u30f3\u30d1\u30af\u30c8\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u5185\u30674\u3064\u306e\u96fb\u6c17\u30ec\u30fc\u30f3\u3092\u52d5\u4f5c\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5206\u91ce\u3067\u5e83\u304f\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc<\/p><\/li>\n\n\n\n<li><p>\u4f01\u696d\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/p><\/li>\n\n\n\n<li><p>\u96fb\u6c17\u901a\u4fe1\u30a4\u30f3\u30d5\u30e9<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u77ed\u8ddd\u96e2\u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u306f\u7570\u306a\u308a\u3001LR4\u306f\u3001\u4fe1\u53f7\u306e\u5b8c\u5168\u6027\u3068\u5b89\u5b9a\u6027\u304c\u6975\u3081\u3066\u91cd\u8981\u306a\u9577\u8ddd\u96e2\u30fb\u9ad8\u4fe1\u983c\u6027\u30ea\u30f3\u30af\u306e\u305f\u3081\u306b\u7279\u5225\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">LR4\u306b\u304a\u3051\u308bWDM\u306e\u5229\u7528\u65b9\u6cd5\uff084\u00d710G\u6ce2\u9577\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-LR4\u306e\u6700\u3082\u91cd\u8981\u306a\u6280\u8853\u7684\u7279\u5fb4\u306e1\u3064\u306f\u3001 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/wdm-optical-transceiver-module-applications\/\">\u6ce2\u9577\u5206\u5272\u591a\u91cd\u5316<\/a> \uff08WDM\uff09\u306e\u63a1\u7528\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">40Gbps\u3092\u5358\u4e00\u30c1\u30e3\u30cd\u30eb\u3067\u4f1d\u9001\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001LR4\u306f\u4ee5\u4e0b\u306e\u65b9\u5f0f\u3067\u52d5\u4f5c\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u4fe1\u53f7\u30924\u3064\u306e\u72ec\u7acb\u3057\u305f10Gbps\u30ec\u30fc\u30f3\u306b\u5206\u5272<\/p><\/li>\n\n\n\n<li><p>\u5404\u30ec\u30fc\u30f3\u306b\u7570\u306a\u308b\u6ce2\u9577\uff08\u901a\u5e38\u7d041310 nm\u5e2f\u57df\uff09\u3092\u5272\u308a\u5f53\u3066<\/p><\/li>\n\n\n\n<li><p>\u305d\u308c\u3089\u30921\u3064\u306e\u5149\u4fe1\u53f7\u306b\u7d50\u5408\uff08\u591a\u91cd\u5316\uff09\u3057\u3066\u9001\u4fe1<\/p><\/li>\n\n\n\n<li><p>\u53d7\u4fe1\u5074\u3067\u518d\u3073\u5206\u96e2\uff08\u9006\u591a\u91cd\u5316\uff09\u3059\u308b<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3064\u307e\u308a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u5fc5\u8981\u306a\u30d5\u30a1\u30a4\u30d0\u30fc\u306f2\u672c\u306e\u307f\uff08\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9LC\uff09<\/p><\/li>\n\n\n\n<li><p>\uff08SR4\u3067\u4f7f\u7528\u3055\u308c\u308bMPO\u306a\u3069\u306e\uff09\u4e26\u5217\u30d5\u30a1\u30a4\u30d0\u30fc\u30a4\u30f3\u30d5\u30e9\u306f\u4e0d\u8981<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>WDM\u304c\u91cd\u8981\u306a\u7406\u7531<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306eWDM\u30d9\u30fc\u30b9\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u5b9f\u7528\u7684\u306a\u5229\u70b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30b1\u30fc\u30d6\u30eb\u914d\u7dda\u306e\u7c21\u7d20\u5316\uff08LC vs. MPO\uff09<\/p><\/li>\n\n\n\n<li><p>\u3088\u308a\u9577\u3044\u4f1d\u9001\u8ddd\u96e2\u306e\u5b9f\u73fe<\/p><\/li>\n\n\n\n<li><p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u8a08\u306b\u304a\u3051\u308b\u67d4\u8edf\u6027\u306e\u5411\u4e0a<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3060\u3057\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u8ab2\u984c\u3082\u4f34\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>SR4\u3068\u6bd4\u8f03\u3057\u3066\u30b3\u30b9\u30c8\u304c\u9ad8\u304f\u306a\u308b<\/p><\/li>\n\n\n\n<li><p>\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u54c1\u8cea\u304a\u3088\u3073\u30ea\u30f3\u30af\u640d\u5931\u306b\u5bfe\u3059\u308b\u611f\u5ea6\u304c\u9ad8\u304f\u306a\u308b<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e3b\u306a\u6a5f\u80fd\u304a\u3088\u3073\u7528\u9014<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e3b\u306a\u6a5f\u80fd<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\u30c7\u30fc\u30bf\u30ec\u30fc\u30c8\uff1a<\/strong> 40 Gbps<\/p><\/li>\n\n\n\n<li><p><strong>\u4f1d\u9001\u8ddd\u96e2\uff1a<\/strong> \u6700\u592710km<\/p><\/li>\n\n\n\n<li><p><strong>\u30d5\u30a1\u30a4\u30d0\u30fc\u30bf\u30a4\u30d7\uff1a<\/strong> \u5358\u4e00\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\uff08SMF\u306e\u307f\uff09<\/p><\/li>\n\n\n\n<li><p><strong>\u30b3\u30cd\u30af\u30bf\uff1a<\/strong> <a href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/sfp-duplex-lc-connector-explained\/\" target=\"_blank\" rel=\"\">\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9LC<\/a><\/p><\/li>\n\n\n\n<li><p><strong>\u5149\u6280\u8853\uff1a<\/strong> WDM\uff084\u00d710G \u30ec\u30fc\u30f3\uff09<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e00\u822c\u7684\u306a\u4f7f\u7528\u4f8b<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u9593\u63a5\u7d9a\uff08DCI\uff09<\/strong><br>SR4 \u306e\u8ddd\u96e2\u5236\u9650\u3092\u8d85\u3048\u308b\u5efa\u7269\u9593\u307e\u305f\u306f\u65bd\u8a2d\u9593\u306e\u63a5\u7d9a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30ad\u30e3\u30f3\u30d1\u30b9\u30fb\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/strong><br>\u5927\u898f\u6a21\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u74b0\u5883\u306b\u304a\u3051\u308b\u30b3\u30a2\u30b9\u30a4\u30c3\u30c1\u9593\u306e\u63a5\u7d9a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u96fb\u6c17\u901a\u4fe1\u304a\u3088\u3073\u30e1\u30c8\u30ed\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/strong><br>\u5b89\u5b9a\u3057\u305f\u9577\u8ddd\u96e2\u96c6\u7d04\u30ea\u30f3\u30af\u306e\u63d0\u4f9b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">QSFP+ 40GBASE-LR4 \u306f\u5358\u306a\u308b\u300c40G\u30e2\u30b8\u30e5\u30fc\u30eb\u300d\u3067\u306f\u306a\u304f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b7\u30ca\u30ea\u30aa\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u305f\u3001\u9577\u8ddd\u96e2\u30fb\u6ce2\u9577\u30d9\u30fc\u30b9\u306e\u5149\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u8ddd\u96e2\u304c\u30de\u30eb\u30c1\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u80fd\u529b\u3092\u4e0a\u56de\u308b\u5834\u5408<\/p><\/li>\n\n\n\n<li><p>\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u8cc7\u6e90\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408<\/p><\/li>\n\n\n\n<li><p>\u5b89\u5b9a\u6027\u304a\u3088\u3073\u4e92\u63db\u6027\u304c\u30df\u30c3\u30b7\u30e7\u30f3\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u3067\u3042\u308b\u5834\u5408<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u57fa\u672c\u7684\u7406\u89e3\u3092\u8e0f\u307e\u3048\u305f\u4e0a\u3067\u3001\u6b21\u7bc0\u4ee5\u964d\u306e\u4ed5\u69d8\u3001\u4e92\u63db\u6027\u3001\u304a\u3088\u3073\u5b9f\u969b\u306e\u5c55\u958b\u306b\u95a2\u3059\u308b\u5224\u65ad\u3078\u3068\u9032\u3080\u3053\u3068\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udccc QSFP+ 40GBASE-LR4 \u306e\u4ed5\u69d8\u304a\u3088\u3073\u8ddd\u96e2\u5236\u9650<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b89\u5b9a\u7684\u304b\u3064\u4e88\u6e2c\u53ef\u80fd\u306a\u5c55\u958b\u3092\u78ba\u5b9f\u306b\u3059\u308b\u305f\u3081\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u306f QSFP+ 40GBASE-LR4 \u306e\u4e3b\u8981\u306a\u4ed5\u69d8\u304a\u3088\u3073\u7269\u7406\u7684\u5236\u9650\u3092\u7406\u89e3\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u304a\u5ba2\u69d8\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u74b0\u5883\u3067\u4fe1\u983c\u6027\u9ad8\u304f\u52d5\u4f5c\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u76f4\u63a5\u6c7a\u5b9a\u3057\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\/f6ffc511e8624c858a95da25d2254db6.jpg\" alt=\"QSFP+ 40GBASE-LR4 Specifications and Distance Limits\" class=\"wp-image-2714\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f6ffc511e8624c858a95da25d2254db6.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f6ffc511e8624c858a95da25d2254db6-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f6ffc511e8624c858a95da25d2254db6-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f6ffc511e8624c858a95da25d2254db6-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f6ffc511e8624c858a95da25d2254db6-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">QSFP+ 40GBASE-LR4 \u306e\u4e3b\u306a\u4ed5\u69d8<\/h3>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 297px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"297\"><p>\u9805\u76ee<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>LINK-PP LPJE101NNL<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"297\"><p>\u6a19\u6e96<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>IEEE 802.3ba<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"297\"><p>\u30d5\u30a9\u30fc\u30e0\u30d5\u30a1\u30af\u30bf\u30fc<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>QSFP+\uff08\u30af\u30a2\u30c3\u30c9\u30fb\u30b9\u30e2\u30fc\u30eb\u30fb\u30d5\u30a9\u30fc\u30e0\u30d5\u30a1\u30af\u30bf\u30fb\u30d7\u30e9\u30b0\u30a2\u30d6\u30eb\u30fb\u30d7\u30e9\u30b9\uff09<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"297\"><p>\u78c1\u6c17\u90e8\u54c1<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>40 Gbps<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"297\"><p>\u4f1d\u9001\u6280\u8853<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u6ce2\u9577\u5206\u5272\u591a\u91cd\u5316\uff084 \u00d7 10G \u30ec\u30fc\u30f3\uff09<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"297\"><p>\u6ce2\u9577<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u7d041310 nm\uff08WDM \u30b0\u30ea\u30c3\u30c9\uff09<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"297\"><p>\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u30bf\u30a4\u30d7<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\uff08SMF\u3001OS2\uff09<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"297\"><p>\u6700\u5927\u8ddd\u96e2<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u6700\u592710km<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"297\"><p>\u30b3\u30cd\u30af\u30bf\u30bf\u30a4\u30d7<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>LC \u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"297\"><p>\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u672c\u6570<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>2\u672c\uff08\u9001\u4fe1\uff0f\u53d7\u4fe1\u30da\u30a2\uff09<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"297\"><p>\u901a\u5e38\u306e\u96fb\u529b\u4e88\u7b97<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u7d046\u20139 dB<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"297\"><p>\u9001\u4fe1\u51fa\u529b\u7bc4\u56f2<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u7d04\u22127 dBm \uff5e +2.3 dBm<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"297\"><p>\u53d7\u4fe1\u611f\u5ea6<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u7d04\u221211.5 dBm<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"297\"><p>\u30db\u30c3\u30c8\u30d7\u30e9\u30b0\u53ef\u80fd<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u306f\u3044<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"297\"><p>\u4e3b\u306a\u7528\u9014<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u9593\u63a5\u7d9a\u3001\u30ad\u30e3\u30f3\u30d1\u30b9\u30fb\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u3001\u30e1\u30c8\u30ed\u30ea\u30f3\u30af<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f1d\u9001\u8ddd\u96e2\uff1a\u6700\u592710 km<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">IEEE 802.3ba \u306b\u3088\u308b\u3068\u3001QSFP+ 40GBASE-LR4 \u306f\u4ee5\u4e0b\u306e\u7528\u9014\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u6700\u5927\u5230\u9054\u8ddd\u96e2\uff1a\u6700\u592710\u30ad\u30ed\u30e1\u30fc\u30c8\u30eb<\/p><\/li>\n\n\n\n<li><p>\u6a19\u6e96\u6761\u4ef6\u4e0b\u3067\u306e\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\uff08SMF\uff09\u4e0a<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u969b\u306e\u5c55\u958b\u3067\u306f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u4e00\u822c\u7684\u306a\u4f7f\u7528\u7bc4\u56f2\uff1a500 m \uff5e 10 km<\/p><\/li>\n\n\n\n<li><p>\u975e\u5e38\u306b\u77ed\u8ddd\u96e2\uff08\u4f8b\uff1a2\u201310 m\uff09\u3067\u3082\u52d5\u4f5c\u53ef\u80fd\u3067\u3059\u304c\u3001\u51fa\u529b\u96fb\u529b\u3078\u306e\u914d\u616e\u304c\u5fc5\u8981\u3067\u3059<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u26a0\ufe0f \u77ed\u8ddd\u96e2\u904b\u7528\u6642\u306e\u6ce8\u610f\u70b9\uff08\u898b\u843d\u3068\u3055\u308c\u304c\u3061\uff09<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u975e\u5e38\u306b\u77ed\u8ddd\u96e2\uff08\u4f8b\uff1a&lt;10 m\uff09\u3067\u306f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u4fe1\u53f7\u304c\u5f37\u3059\u304e\uff08\u53d7\u4fe1\u904e\u8ca0\u8377\uff09\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<\/p><\/li>\n\n\n\n<li><p>\u307e\u308c\u306b\u3001\u5149\u6e1b\u8870\u5668\u306e\u4f7f\u7528\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3060\u3057\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u6700\u65b0\u306e LR4 \u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u591a\u304f\u306f\u3001\u77ed\u8ddd\u96e2\u30ea\u30f3\u30af\u3092\u5b89\u5168\u306b\u51e6\u7406\u3067\u304d\u307e\u3059<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u7a2e\u5225\uff1a\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\uff08SMF\uff09\u306e\u307f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">QSFP+ LR4 \u306f\u53b3\u5bc6\u306b\u4ee5\u4e0b\u306e\u7528\u9014\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/single-mode-fiber-os1-vs-os2-comparison-indoor-outdoor-use\/\" target=\"_blank\" rel=\"\">\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u30fc<\/a> \uff08OS2 \u3092\u63a8\u5968\uff09<\/p><\/li>\n\n\n\n<li><p>\u52d5\u4f5c\u6ce2\u9577\uff1a\u7d041310 nm \u5e2f\u57df\uff08WDM \u30c1\u30e3\u30cd\u30eb\uff09<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u274c \u63a8\u5968\u3055\u308c\u307e\u305b\u3093\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30de\u30eb\u30c1\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\uff08OM3 \/ OM4\uff09<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u306a\u305c\u3053\u308c\u304c\u91cd\u8981\u304b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>LR4\u306f\u3001\u6b63\u78ba\u306a\u6ce2\u9577\u4f1d\u9001\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059<\/p><\/li>\n\n\n\n<li><p>\u30de\u30eb\u30c1\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u3067\u306f\u30e2\u30fc\u30c9\u5206\u6563\u304c\u767a\u751f \u2192 \u4fe1\u53f7\u304c\u4e0d\u5b89\u5b9a\u306b\u306a\u308a\u307e\u3059<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b3\u30cd\u30af\u30bf\u7a2e\u5225\uff1a\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9LC<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SR4\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u4f7f\u7528\u3059\u308b\u306e\u3068\u306f\u7570\u306a\u308a\u3001 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/understanding-polarity-in-mtp-mpo-system-for-signal-integrity\/\">MPO\u30b3\u30cd\u30af\u30bf<\/a>, \u3001QSFP+ LR4\u306f\u4ee5\u4e0b\u306e\u30b3\u30cd\u30af\u30bf\u3092\u4f7f\u7528\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>LC\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u30b3\u30cd\u30af\u30bf\uff08\u5408\u8a082\u672c\u306e\u30d5\u30a1\u30a4\u30d0\u30fc\uff09<\/p>\n<ul class=\"wp-block-list\">\n<li><p>\u9001\u4fe1\uff08Tx\uff09\u7528\u306b1\u672c\u306e\u30d5\u30a1\u30a4\u30d0\u30fc<\/p><\/li>\n\n\n\n<li><p>\u53d7\u4fe1\uff08Rx\uff09\u7528\u306b1\u672c\u306e\u30d5\u30a1\u30a4\u30d0\u30fc<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u7528\u4e0a\u306e\u5229\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30b1\u30fc\u30d6\u30eb\u7ba1\u7406\u304c\u5bb9\u6613<\/p><\/li>\n\n\n\n<li><p>\u65e2\u5b58\u306e\u5358\u4e00\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\uff08SMF\uff09\u30a4\u30f3\u30d5\u30e9\u3068\u4e92\u63db\u6027\u3042\u308a<\/p><\/li>\n\n\n\n<li><p>\u30b1\u30fc\u30d6\u30eb\u69cb\u6210\u304c\u30b7\u30f3\u30d7\u30eb<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d1\u30ef\u30fc\u30d0\u30b8\u30a7\u30c3\u30c8\u306e\u6982\u8981\uff08\u5b89\u5b9a\u6027\u306b\u3068\u3063\u3066\u6975\u3081\u3066\u91cd\u8981\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5149\u30d1\u30ef\u30fc\u30d0\u30b8\u30a7\u30c3\u30c8\u3068\u306f\u3001\u30ea\u30f3\u30af\u304c\u8a31\u5bb9\u3067\u304d\u308b\u4fe1\u53f7\u640d\u5931\u91cf\u3092\u5b9a\u7fa9\u3059\u308b\u3082\u306e\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u822c\u7684\u306a <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/482493.htm\">QSFP+ LR4<\/a> \u5024\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u9001\u4fe1\u51fa\u529b\uff08Tx\uff09\uff1a\u7d04 -7 dBm \uff5e +2.3 dBm<\/p><\/li>\n\n\n\n<li><p>\u53d7\u4fe1\u611f\u5ea6\uff08Rx\uff09\uff1a\u7d04 -11.5 dBm<\/p><\/li>\n\n\n\n<li><p>\u5408\u8a08\u30d1\u30ef\u30fc\u30d0\u30b8\u30a7\u30c3\u30c8\uff1a\u7d04 6\u20139 dB<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30d1\u30ef\u30fc\u30d0\u30b8\u30a7\u30c3\u30c8\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u8981\u56e0\u306f\uff1f<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u969b\u306e\u5c55\u958b\u74b0\u5883\u3067\u306f\u3001\u4fe1\u53f7\u640d\u5931\u306f\u4ee5\u4e0b\u304b\u3089\u751f\u3058\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/attenuation-in-optical-transceiver-management-and-solutions\/\" target=\"_blank\" rel=\"\">\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u6e1b\u8870<\/a> \uff08\u8ddd\u96e2\u306b\u3088\u308b\uff09<\/p><\/li>\n\n\n\n<li><p>\u30b3\u30cd\u30af\u30bf\u640d\u5931<\/p><\/li>\n\n\n\n<li><p>\u30b9\u30d7\u30e9\u30a4\u30b9\u640d\u5931<\/p><\/li>\n\n\n\n<li><p>\u6c5a\u308c\u3084\u640d\u50b7\u306e\u3042\u308b\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>10 km\u306eSMF \u2248 \u7d043\u20134 dB\u306e\u640d\u5931<\/p><\/li>\n\n\n\n<li><p>\u30b3\u30cd\u30af\u30bf\uff0f\u30b9\u30d7\u30e9\u30a4\u30b9 \u2248 \u7d041\u20132 dB<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u2714 LR4\u306e\u8a31\u5bb9\u7bc4\u56f2\u5185\u3067\u3059<br>\u274c \u4e0d\u9069\u5207\u306a\u65bd\u5de5\u306b\u3088\u308a\u30d0\u30b8\u30a7\u30c3\u30c8\u3092\u8d85\u3048\u308b\u3068 \u2192 \u30ea\u30f3\u30af\u969c\u5bb3\u304c\u767a\u751f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">QSFP+ 40GBASE-LR4\u306f\u3001\u8ddd\u96e2\u30fb\u7c21\u4fbf\u6027\u30fb\u6027\u80fd\u306e\u30d0\u30e9\u30f3\u30b9\u306e\u53d6\u308c\u305f\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304c\u3001\u4ee5\u4e0b\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3059\u5834\u5408\u306b\u9650\u3089\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u6b63\u3057\u3044\u30d5\u30a1\u30a4\u30d0\u30fc\u7a2e\u5225\uff08SMF\uff09\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u3053\u3068<\/p><\/li>\n\n\n\n<li><p>\u30ea\u30f3\u30af\u640d\u5931\u304c\u30d1\u30ef\u30fc\u30d0\u30b8\u30a7\u30c3\u30c8\u5185\u306b\u53ce\u307e\u3063\u3066\u3044\u308b\u3053\u3068<\/p><\/li>\n\n\n\n<li><p>\u7269\u7406\u5c64\u306e\u54c1\u8cea\u304c\u7dad\u6301\u3055\u308c\u3066\u3044\u308b\u3053\u3068<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udccc QSFP+ 40GBASE-LR4 vs. SR4 vs. ER4\uff1a\u4e3b\u306a\u9055\u3044<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">QSFP+ 40GBASE-LR4\u3001SR4\u3001ER4\u306e\u9078\u629e\u306f\u300140G\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u8a08\u306b\u304a\u3044\u3066\u6700\u3082\u91cd\u8981\u306a\u5224\u65ad\u306e\u4e00\u3064\u3067\u3059\u3002\u3053\u308c\u3089\u306f\u3059\u3079\u3066IEEE 802.3ba\u6e96\u62e0\u306740Gbps\u306e\u63a5\u7d9a\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304c\u3001\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3001\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u8981\u4ef6\u3001\u304a\u3088\u3073\u30b3\u30b9\u30c8\u69cb\u9020\u306f\u5927\u304d\u304f\u7570\u306a\u308a\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\/c3e558f569864a72bd0613d679d27026.jpg\" alt=\"QSFP+ 40GBASE-LR4 vs. SR4 vs. ER4: Key Differences\" class=\"wp-image-2715\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c3e558f569864a72bd0613d679d27026.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c3e558f569864a72bd0613d679d27026-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c3e558f569864a72bd0613d679d27026-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c3e558f569864a72bd0613d679d27026-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c3e558f569864a72bd0613d679d27026-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u6bd4\u8f03\uff08\u52d5\u4f5c\u539f\u7406\uff09<\/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>\u30bf\u30a4\u30d7<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u4f1d\u9001\u65b9\u5f0f<\/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>\u57fa\u672c\u6982\u5ff5<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/482754.htm\"><strong>QSFP+ SR4<\/strong><\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30d1\u30e9\u30ec\u30eb\u5149\u5b66\uff084\u00d710G\u30ec\u30fc\u30f3\uff09<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u591a\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u30fc\uff08MMF\uff09<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u77ed\u8ddd\u96e2\u30d1\u30e9\u30ec\u30eb\u4f1d\u9001<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/482495.htm\"><strong>QSFP+ LR4<\/strong><\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u6ce2\u9577\u5206\u5272\u591a\u91cd\u5316\uff084\u6ce2\u9577\uff09<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u5358\u4e00\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u30fc\uff08SMF\uff09<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>WDM\u30d9\u30fc\u30b9\u306e\u9577\u8ddd\u96e2\u4f1d\u9001<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/473105.htm\"><strong>QSFP+ ER4<\/strong><\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u9ad8\u5ea6\u306aWDM\uff08\u9577\u8ddd\u96e2\u5bfe\u5fdc\u5149\u5b66\u90e8\u54c1\uff09<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u5358\u4e00\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u30fc\uff08SMF\uff09<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u62e1\u5f35\u8ddd\u96e2\u5411\u3051\u30ed\u30f3\u30b0\u30db\u30fc\u30eb\u4f1d\u9001<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u91cd\u8981\u306a\u77e5\u898b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>SR4 \uff1d <strong>\u30d1\u30e9\u30ec\u30eb\u30ec\u30fc\u30f3<\/strong><\/p><\/li>\n\n\n\n<li><p>LR4 \uff1d <strong>\u6ce2\u9577\u591a\u91cd\u5316<\/strong><\/p><\/li>\n\n\n\n<li><p>ER4 \uff1d <strong>\u5f37\u5316\u3055\u308c\u305f\u9577\u8ddd\u96e2WDM<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u8ddd\u96e2 vs. \u30b3\u30b9\u30c8 vs. \u30b1\u30fc\u30d6\u30eb\u69cb\u6210\u306e\u6bd4\u8f03<\/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;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\u30bf\u30a4\u30d7<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u6700\u5927\u8ddd\u96e2<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u76f8\u5bfe\u7684\u306a\u30b3\u30b9\u30c8<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u30b1\u30fc\u30d6\u30eb\u69cb\u6210\u306e\u8907\u96d1\u3055<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u4ee3\u8868\u7684\u306a\u7528\u9014<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>SR4<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u7d04100\uff5e400\u30e1\u30fc\u30c8\u30eb<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u2b50 \u6700\u4f4e<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u9ad8\uff08MPO \u5fc5\u9808\uff09<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u5185<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>LR4<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u6700\u592710km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u2b50 \u4e2d<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u4f4e\uff08LC \u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\uff09<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30ad\u30e3\u30f3\u30d1\u30b9\uff0fDCI \u30ea\u30f3\u30af<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>ER4<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u6700\u592740 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u2b50 \u6700\u9ad8<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u4f4e\uff08LC \u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\uff09<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30e1\u30c8\u30ed\uff0f\u30ed\u30f3\u30b0\u30db\u30fc\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b1\u30fc\u30d6\u30eb\u914d\u7dda\u306e\u9055\u3044\uff08\u5b9f\u7528\u4e0a\u306e\u5f71\u97ff\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83d\udd39 SR4\uff08\u30d1\u30e9\u30ec\u30eb\u5149\u5b66\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>MPO\/MTP \u30b3\u30cd\u30af\u30bf\u3092\u4f7f\u7528<\/p><\/li>\n\n\n\n<li><p>8 \u672c\u307e\u305f\u306f 12 \u672c\u306e\u30d5\u30a1\u30a4\u30d0\u30b9\u30c8\u30e9\u30f3\u30c9\u3092\u5fc5\u8981\u3068\u3059\u308b<\/p><\/li>\n\n\n\n<li><p>\u30b1\u30fc\u30d6\u30eb\u7ba1\u7406\u304c\u3088\u308a\u8907\u96d1<\/p><\/li>\n\n\n\n<li><p>\u77ed\u8ddd\u96e2\u30fb\u9ad8\u5bc6\u5ea6\u30e9\u30c3\u30af\u5411\u3051\u306b\u6700\u9069<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83d\udd39 LR4\uff08WDM \u57fa\u76e4\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>LC \u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u30b3\u30cd\u30af\u30bf\u3092\u4f7f\u7528<\/p><\/li>\n\n\n\n<li><p>2 \u672c\u306e\u30d5\u30a1\u30a4\u30d0\u306e\u307f\u3067\u5341\u5206<\/p><\/li>\n\n\n\n<li><p>\u8a2d\u7f6e\u304a\u3088\u3073\u4fdd\u5b88\u304c\u5bb9\u6613<\/p><\/li>\n\n\n\n<li><p>\u30d5\u30a1\u30a4\u30d0\u30ea\u30bd\u30fc\u30b9\u304c\u9650\u3089\u308c\u3066\u3044\u308b\u5834\u5408\u306b\u7406\u60f3\u7684<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83d\udd39 ER4\uff08\u62e1\u5f35\u5230\u9054\u8ddd\u96e2\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u540c\u69d8\u306b LC \u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u3092\u4f7f\u7528<\/p><\/li>\n\n\n\n<li><p>\u9577\u8ddd\u96e2\u5897\u5e45\u30b7\u30ca\u30ea\u30aa\u5411\u3051\u306b\u8a2d\u8a08<\/p><\/li>\n\n\n\n<li><p>\u901a\u4fe1\u30ad\u30e3\u30ea\u30a2\u306e\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u30ea\u30f3\u30af\u3067\u3088\u304f\u4f7f\u7528\u3055\u308c\u308b<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u5404\u30bf\u30a4\u30d7\u3092\u9078\u629e\u3059\u308b\u30bf\u30a4\u30df\u30f3\u30b0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2705 SR4 \u3092\u9078\u3076\u3079\u304d\u5834\u5408\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30e9\u30c3\u30af\u5185\u307e\u305f\u306f\u540c\u4e00\u5217\u5185\u306e\u30b9\u30a4\u30c3\u30c1\u9593\u63a5\u7d9a\u3092\u884c\u3046\u5834\u5408<\/p><\/li>\n\n\n\n<li><p>\u8ddd\u96e2\u304c 100\u2013300 \u30e1\u30fc\u30c8\u30eb\u672a\u6e80\u306e\u5834\u5408<\/p><\/li>\n\n\n\n<li><p>\u6700\u4f4e\u30b3\u30b9\u30c8\u306e\u5149\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u6c42\u3081\u308b\u5834\u5408<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2705 LR4 \u3092\u9078\u3076\u3079\u304d\u5834\u5408\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u6700\u5927 10 km \u306e\u4f1d\u9001\u8ddd\u96e2\u304c\u5fc5\u8981\u306a\u5834\u5408<\/p><\/li>\n\n\n\n<li><p>\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306e\u307f\u3092\u6709\u3057\u3066\u3044\u308b\u5834\u5408<\/p><\/li>\n\n\n\n<li><p>MPO \u3067\u306f\u306a\u304f\u3001\u3088\u308a\u30b7\u30f3\u30d7\u30eb\u306a LC \u30b1\u30fc\u30d6\u30eb\u914d\u7dda\u3092\u5e0c\u671b\u3059\u308b\u5834\u5408<\/p><\/li>\n\n\n\n<li><p>\u30ad\u30e3\u30f3\u30d1\u30b9\u307e\u305f\u306f DCI \u30ea\u30f3\u30af\u3092\u69cb\u7bc9\u3059\u308b\u5834\u5408<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2705 ER4 \u3092\u9078\u3076\u3079\u304d\u5834\u5408\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>10 km \u3092\u8d85\u3048\u308b\u9577\u8ddd\u96e2\uff08\u30e1\u30c8\u30ed\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff09\u304c\u5fc5\u8981\u306a\u5834\u5408<\/p><\/li>\n\n\n\n<li><p>\u9ad8\u4fe1\u983c\u6027\u306e\u30ed\u30f3\u30b0\u30db\u30fc\u30eb\u4f1d\u9001\u3092\u8981\u6c42\u3059\u308b\u5834\u5408<\/p><\/li>\n\n\n\n<li><p>\u3088\u308a\u9ad8\u4fa1\u306a\u5149\u30e2\u30b8\u30e5\u30fc\u30eb\u3078\u306e\u4e88\u7b97\u304c\u78ba\u4fdd\u3067\u304d\u308b\u5834\u5408<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e3b\u8981\u306a\u6280\u8853\u7684\u6d1e\u5bdf<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">3 \u3064\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3059\u3079\u3066\u304c 40Gbps \u3092\u63d0\u4f9b\u3059\u308b\u304c\u3001\u5b9f\u969b\u306e\u9078\u629e\u57fa\u6e96\u306f\u901f\u5ea6\u3067\u306f\u306a\u304f\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u30d5\u30a1\u30a4\u30d0\u7a2e\u5225 \uff0b \u8ddd\u96e2 \uff0b \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306e\u8907\u96d1\u3055<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u591a\u304f\u306e\u5b9f\u969b\u306e\u5c55\u958b\u306b\u304a\u3044\u3066\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>SR4 \u306f\u5bc6\u5ea6\u3068\u30b3\u30b9\u30c8\u52b9\u7387\u6027\u304b\u3089\u9078\u629e\u3055\u308c\u308b<\/p><\/li>\n\n\n\n<li><p>LR4 \u306f\u8ddd\u96e2\u3068\u7c21\u4fbf\u3055\u306e\u30d0\u30e9\u30f3\u30b9\u304b\u3089\u9078\u629e\u3055\u308c\u308b<\/p><\/li>\n\n\n\n<li><p>ER4 \u306f\u30ed\u30f3\u30b0\u30db\u30fc\u30eb\u306e\u5b89\u5b9a\u6027\u304b\u3089\u9078\u629e\u3055\u308c\u308b<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">QSFP+ 40GBASE-LR4 \u306f\u300140G \u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u306b\u304a\u3051\u308b\u300c\u30d9\u30b9\u30c8\u30d0\u30e9\u30f3\u30b9\u30dd\u30a4\u30f3\u30c8\u300d\u306b\u4f4d\u7f6e\u3059\u308b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>SR4 \u3088\u308a\u9577\u3044\u5230\u9054\u8ddd\u96e2<\/p><\/li>\n\n\n\n<li><p>SR4 \u3088\u308a\u30b7\u30f3\u30d7\u30eb\u306a\u30b1\u30fc\u30d6\u30eb\u914d\u7dda<\/p><\/li>\n\n\n\n<li><p>ER4 \u3088\u308a\u4f4e\u3044\u30b3\u30b9\u30c8<\/p><\/li>\n\n\n\n<li><p>\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u304a\u3088\u3073 DCI \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u306e\u9ad8\u3044\u4e92\u63db\u6027<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udccc QSFP+ 40GBASE-LR4 \u4e92\u63db\u6027\u30ac\u30a4\u30c9\uff08\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\uff0b\u5b9f\u969b\u306e\u969c\u5bb3\u4e8b\u4f8b\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">QSFP+ 40GBASE-LR4 \u3092\u5c55\u958b\u3059\u308b\u969b\u306b\u6700\u3082\u91cd\u8981\u306a\u8981\u7d20\u306e\u4e00\u3064\u306f\u3001\u30b9\u30a4\u30c3\u30c1\u3001\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u3001\u5149\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u5168\u4f53\u306b\u304a\u3051\u308b\u4e92\u63db\u6027\u3067\u3042\u308b\u3002\u4ed5\u69d8\u66f8\u4e0a\u306f\u540c\u4e00\u306b\u898b\u3048\u3066\u3082\u3001\u5b9f\u74b0\u5883\u3067\u306f\u3001\u7279\u306b\u30de\u30eb\u30c1\u30d9\u30f3\u30c0\u30fc\u74b0\u5883\u306b\u304a\u3044\u3066\u3001\u76f8\u4e92\u904b\u7528\u6027\u306e\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u304c\u3042\u308b\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u5c55\u958b\u30ea\u30b9\u30af\u3092\u4f4e\u6e1b\u3057\u3001\u9ad8\u984d\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u969c\u5bb3\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306e\u5b9f\u7528\u7684\u3067\u30a8\u30f3\u30b8\u30cb\u30a2\u91cd\u8996\u306e\u4e92\u63db\u6027\u30ac\u30a4\u30c9\u3092\u63d0\u4f9b\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\/0be93b306b404f448f6b14e853b69ef9.jpg\" alt=\"QSFP+ 40GBASE-LR4 Compatibility Guide (Checklist + Real Failure Cases)\" class=\"wp-image-2716\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0be93b306b404f448f6b14e853b69ef9.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0be93b306b404f448f6b14e853b69ef9-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0be93b306b404f448f6b14e853b69ef9-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0be93b306b404f448f6b14e853b69ef9-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0be93b306b404f448f6b14e853b69ef9-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b9\u30a4\u30c3\u30c1\u304a\u3088\u3073\u30d9\u30f3\u30c0\u30fc\u4e92\u63db\u6027\uff08Cisco\u3001Juniper\u306a\u3069\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">QSFP+ LR4\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u4e3b\u8981\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u30d9\u30f3\u30c0\u30fc\u3067\u5e83\u304f\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/482491.htm\" target=\"_self\">\u30b7\u30b9\u30b3\u30b7\u30b9\u30c6\u30e0\u30ba\uff08Cisco Systems\uff09<\/a><\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/482457.htm\" target=\"_self\">\u30b8\u30e5\u30cb\u30d1\u30fc\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\uff08Juniper Networks\uff09<\/a><\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/482456.htm\" target=\"_self\">\u30a2\u30ea\u30b9\u30bf\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\uff08Arista Networks\uff09<\/a><\/p><\/li>\n\n\n\n<li><p>HPE\uff0f\u30a2\u30eb\u30d0\uff08HPE \/ Aruba\uff09<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/482459.htm\" target=\"_self\">\u30c7\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\uff08Dell Networking\uff09<\/a><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3060\u3057\u3001\u4e92\u63db\u6027\u306f\u4ee5\u4e0b\u306e3\u3064\u306e\u4e3b\u8981\u306a\u30ec\u30a4\u30e4\u30fc\u306b\u4f9d\u5b58\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u5bfe\u5fdc<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>QSFP+\u30dd\u30fc\u30c8\u304c40G\u30e2\u30fc\u30c9\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059<\/p><\/li>\n\n\n\n<li><p>\u4e00\u90e8\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u306f\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u66f4\u65b0\u304c\u5fc5\u8981\u3067\u3059<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30d9\u30f3\u30c0\u30fc\u306b\u3088\u308b\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\uff08<\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/how-eeprom-powers-sfp-and-qsfp-optical-modules\/\"><strong>EEPROM<\/strong><\/a><strong>)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>OEM\u306f\u3001\u5149\u5b66\u90e8\u54c1\u3092\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306b\u3088\u308a\u3057\u3070\u3057\u3070\u30ed\u30c3\u30af\u3057\u307e\u3059<\/p><\/li>\n\n\n\n<li><p>\u201c\u300c\u6c4e\u7528\u300dLR4\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u672a\u30b5\u30dd\u30fc\u30c8\u30e2\u30fc\u30c9\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u306a\u3044\u9650\u308a\u30d6\u30ed\u30c3\u30af\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u8a2d\u5b9a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u6b63\u3057\u3044\u901f\u5ea6\u8a2d\u5b9a\uff0840G\uff09<\/p><\/li>\n\n\n\n<li><p>\u5f37\u5236\u7684\u306a\u30d6\u30ec\u30a4\u30af\u30a2\u30a6\u30c8\u30e2\u30fc\u30c9\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u306a\u3044\u3053\u3068<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3b\u306a\u30dd\u30a4\u30f3\u30c8\uff1a\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u7269\u7406\u7684\u306b\u4e92\u63db\u6027\u304c\u3042\u3063\u3066\u3082\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306b\u3088\u308b\u5236\u9650\u306b\u3088\u308a\u4f9d\u7136\u3068\u3057\u3066\u30d6\u30ed\u30c3\u30af\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">MSA\u6e96\u62e0\u306e\u91cd\u8981\u6027<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e92\u63db\u6027\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u8981\u7d20\u306e\u4e00\u3064\u306f\u3001\u30de\u30eb\u30c1\u30bd\u30fc\u30b9\u30a2\u30b0\u30ea\u30fc\u30e1\u30f3\u30c8\uff08MSA\uff09\u898f\u683c\u3078\u306e\u6e96\u62e0\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>MSA\u304c\u91cd\u8981\u306a\u7406\u7531\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u6a5f\u68b0\u7684\u304a\u3088\u3073\u96fb\u6c17\u7684\u306a\u76f8\u4e92\u904b\u7528\u6027\u3092\u4fdd\u8a3c\u3057\u307e\u3059<\/p><\/li>\n\n\n\n<li><p>\u5149\u5b66\u4ed5\u69d8\uff08\u51fa\u529b\u5149\u30d1\u30ef\u30fc\u3001\u6ce2\u9577\u3001\u5909\u8abf\u65b9\u5f0f\uff09\u3092\u5b9a\u7fa9\u3057\u307e\u3059<\/p><\/li>\n\n\n\n<li><p>\u7406\u8ad6\u4e0a\u3001\u30de\u30eb\u30c1\u30d9\u30f3\u30c0\u30fc\u74b0\u5883\u3067\u306e\u4f7f\u7528\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5b9f\u969b\u306b\u306f\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u5b8c\u5168\u306bMSA\u6e96\u62e0\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\uff1d\u9ad8\u3044\u6210\u529f\u7387<\/p><\/li>\n\n\n\n<li><p>MSA\u975e\u6e96\u62e0\u307e\u305f\u306f\u300c\u72ec\u81ea\u6700\u9069\u5316\u300d\u5149\u5b66\u90e8\u54c1\uff1d\u4e0d\u4e00\u81f4\u306e\u30ea\u30b9\u30af\u304c\u9ad8\u307e\u308a\u307e\u3059<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306e\u77e5\u898b\uff1aMSA\u6e96\u62e0\u306f\u30d9\u30f3\u30c0\u30fc\u9593\u306e\u4e92\u63db\u6027\u554f\u984c\u3092\u4f4e\u6e1b\u3057\u307e\u3059\u304c\u3001\u5b8c\u5168\u306b\u306f\u89e3\u6d88\u3057\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5e38\u898b\u306e\u76f8\u4e92\u904b\u7528\u6027\u554f\u984c\uff08\u5b9f\u969b\u306e\u5c55\u958b\u306b\u304a\u3051\u308b\u8ab2\u984c\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u969b\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c55\u958b\u304a\u3088\u3073\u73fe\u5834\u5831\u544a\u306b\u57fa\u3065\u304d\u3001\u6700\u3082\u4e00\u822c\u7684\u306a\u554f\u984c\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u633f\u5165\u5f8c\u306e\u30ea\u30f3\u30af\u30c0\u30a6\u30f3<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u539f\u56e0\uff1a\u30d9\u30f3\u30c0\u30fc\u306b\u3088\u308b\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u4e0d\u4e00\u81f4<\/p><\/li>\n\n\n\n<li><p>\u75c7\u72b6\uff1a\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u8a8d\u8b58\u3055\u308c\u306a\u3044<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30ea\u30f3\u30af\u306e\u30d5\u30ea\u30c3\u30d4\u30f3\u30b0\uff08\u30a2\u30c3\u30d7\uff0f\u30c0\u30a6\u30f3\u306e\u4e0d\u5b89\u5b9a\u72b6\u614b\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u539f\u56e0\uff1a\u5149\u51fa\u529b\u304c\u9650\u754c\u57df\u306b\u3042\u308b\u3001\u307e\u305f\u306f\u30b3\u30cd\u30af\u30bf\u304c\u6c5a\u308c\u3066\u3044\u308b<\/p><\/li>\n\n\n\n<li><p>\u75c7\u72b6\uff1a\u65ad\u7d9a\u7684\u306a\u63a5\u7d9a<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5149\u51fa\u529b\u306a\u3057\uff0f\u4fe1\u53f7\u691c\u51fa\u306a\u3057<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u539f\u56e0\uff1aTX\/RX\u30ec\u30fc\u30f3\u306e\u4f4d\u7f6e\u305a\u308c\u3001\u307e\u305f\u306f\u30d5\u30a1\u30a4\u30d0\u6975\u6027\u306e\u8aa4\u308a<\/p><\/li>\n\n\n\n<li><p>\u591a\u82af\u30d5\u30a1\u30a4\u30d0\u79fb\u884c\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3088\u304f\u767a\u751f\u3057\u307e\u3059<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u901f\u5ea6\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u306e\u5931\u6557<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u539f\u56e0\uff1a\u30dd\u30fc\u30c8\u304c40G\u30e2\u30fc\u30c9\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044<\/p><\/li>\n\n\n\n<li><p>\u6df7\u5728\u4e16\u4ee3\u306e\u30b9\u30a4\u30c3\u30c1\u3067\u3088\u304f\u767a\u751f\u3057\u307e\u3059<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u5149\u5b66\u90e8\u54c1\u306e\u6df7\u5728\u30ea\u30b9\u30af\uff08\u9ad8\u30ea\u30b9\u30af\u9818\u57df\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">QSFP+ LR4\u5c55\u958b\u306b\u304a\u3044\u3066\u6700\u3082\u898b\u843d\u3068\u3055\u308c\u304c\u3061\u306a\u30ea\u30b9\u30af\u306e\u4e00\u3064\u306f\u3001\u7570\u306a\u308b\u5149\u5b66\u30bf\u30a4\u30d7\u3084\u30d9\u30f3\u30c0\u30fc\u306e\u90e8\u54c1\u3092\u6df7\u5728\u3055\u305b\u308b\u3053\u3068\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u274c \u30ea\u30b9\u30af\u30b7\u30ca\u30ea\u30aa\uff1a<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>OEM\u306e\u6df7\u5728\uff0b <\/strong><a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26153-40g-qsfp.htm\"><strong>\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30aa\u30d7\u30c6\u30a3\u30af\u30b9<\/strong><\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30d9\u30f3\u30c0\u30fc\u30ed\u30c3\u30af\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u3042\u308a<\/p><\/li>\n\n\n\n<li><p>\u30ea\u30f3\u30af\u306e\u5b89\u5b9a\u6027\u304c\u4f4e\u4e0b\u3059\u308b\u53ef\u80fd\u6027\u3042\u308a<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>LR4\u3068\u4e92\u63db\u6027\u306e\u306a\u3044LR\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u306e\u6df7\u5728<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u4f8b\uff1aLR4 vs. LX4\u306e\u6df7\u540c<\/p><\/li>\n\n\n\n<li><p>\u6ce2\u9577\u306e\u4e0d\u4e00\u81f4\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u3042\u308a<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>SMF\u3068MMF\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306e\u6df7\u5728<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u53b3\u91cd\u306a\u4fe1\u53f7\u52a3\u5316<\/p><\/li>\n\n\n\n<li><p>\u3057\u3070\u3057\u3070\u5b8c\u5168\u306a\u30ea\u30f3\u30af\u969c\u5bb3\u3092\u62db\u304f<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u26a0\ufe0f <strong>\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u8b66\u544a<\/strong>\uff1aLR4\u306f\u300c\u4e92\u63db\u6027\u304c\u3042\u308b\u300d\u3068\u898b\u306a\u3055\u308c\u304c\u3061\u3067\u3059\u304c\u3001\u5149\u5b66\u7684\u4e0d\u4e00\u81f4\u306b\u3088\u308b\u554f\u984c\u306f\u3001\u8ca0\u8377\u4e0b\u307e\u305f\u306f\u8ddd\u96e2\u3092\u4f34\u3046\u72b6\u6cc1\u3067\u521d\u3081\u3066\u9855\u5728\u5316\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">QSFP+ LR4\u4e92\u63db\u6027\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\uff08\u8cfc\u5165\u524d\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">QSFP+ 40GBASE-LR4\u3092\u5c55\u958b\u3059\u308b\u524d\u306b\u3001\u4ee5\u4e0b\u306e\u9805\u76ee\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2705 \u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>QSFP+\u30dd\u30fc\u30c8\u304c40G\u30e2\u30fc\u30c9\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b<\/p><\/li>\n\n\n\n<li><p>\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\uff08OS2\uff09\u304c\u5229\u7528\u53ef\u80fd<\/p><\/li>\n\n\n\n<li><p>LC\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u30d1\u30c3\u30c1\u30b3\u30fc\u30c9\u304c\u8a2d\u7f6e\u6e08\u307f<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2705 \u30d9\u30f3\u30c0\u30fc\u30fb\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30e2\u30b8\u30e5\u30fc\u30eb\u304c <a href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/optical-transceivers-msa-standards-guide\/\" target=\"_blank\" rel=\"\">MSA<\/a>\u6e96\u62e0\u3067\u3042\u308b\u3053\u3068<\/p><\/li>\n\n\n\n<li><p>\u30d9\u30f3\u30c0\u30fc\u306e\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b\u304b\u3001\u307e\u305f\u306f\u30a2\u30f3\u30ed\u30c3\u30af\u6e08\u307f\u3067\u3042\u308b\u3053\u3068<\/p><\/li>\n\n\n\n<li><p>\u30b9\u30a4\u30c3\u30c1\u306e\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u304c\u6700\u65b0\u3067\u3042\u308b\u3053\u3068<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2705 \u5149\u5b66\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30ea\u30f3\u30af\u8ddd\u96e2\u304c10 km\u306e\u5236\u9650\u5185\u3067\u3042\u308b\u3053\u3068<\/p><\/li>\n\n\n\n<li><p>\u30d1\u30ef\u30fc\u30d0\u30b8\u30a7\u30c3\u30c8\u304c\u8a31\u5bb9\u7bc4\u56f2\u5185\u3067\u3042\u308b\u3053\u3068\uff08\u7d046\u20139 dB\uff09<\/p><\/li>\n\n\n\n<li><p>\u30b9\u30d7\u30e9\u30a4\u30b9\uff0f\u30b3\u30cd\u30af\u30bf\u640d\u5931\u304c\u904e\u5ea6\u3067\u306a\u3044\u3053\u3068<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2705 \u8a2d\u5b9a\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30dd\u30fc\u30c8\u304c40G\u30e2\u30fc\u30c9\u306b\u5f37\u5236\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068<\/p><\/li>\n\n\n\n<li><p>\u30d6\u30ec\u30a4\u30af\u30a2\u30a6\u30c8\u69cb\u6210\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u306a\u3044\u3053\u3068<\/p><\/li>\n\n\n\n<li><p>\u5149\u5b66\u8a3a\u65ad\uff08<a href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/ddm-dom-in-optical-transceivers\/\" target=\"_blank\" rel=\"\">\ud83d\udfe0 SFP\u30ea\u30f3\u30af\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/a>\uff09\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">QSFP+ 40GBASE-LR4\u306e\u4e92\u63db\u6027\u306f\u5358\u306a\u308b\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u554f\u984c\u3067\u306f\u306a\u304f\u3001\u4ee5\u4e0b\u3092\u542b\u3080\u591a\u5c64\u7684\u306a\u691c\u8a3c\u30d7\u30ed\u30bb\u30b9\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u5bfe\u5fdc<\/p><\/li>\n\n\n\n<li><p>\u30d9\u30f3\u30c0\u30fc\u306e\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u5236\u9650<\/p><\/li>\n\n\n\n<li><p>MSA\u6e96\u62e0\u3067\u3042\u308b\u3053\u3068<br><\/p><\/li>\n\n\n\n<li><p>\u5149\u5b66\u30d1\u30ef\u30fc\u30d0\u30b8\u30a7\u30c3\u30c8<\/p><\/li>\n\n\n\n<li><p>\u8a2d\u5b9a\u306e\u6b63\u78ba\u6027<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"> \u5b9f\u969b\u306e\u5c55\u958b\u306b\u304a\u3044\u3066\u3001\u307b\u3068\u3093\u3069\u306e\u969c\u5bb3\u306f\u30e2\u30b8\u30e5\u30fc\u30eb\u81ea\u4f53\u3067\u306f\u306a\u304f\u3001\u8a2d\u5b9a\u30df\u30b9\u3001\u30d9\u30f3\u30c0\u30fc\u5236\u9650\u3001\u307e\u305f\u306f\u30d5\u30a1\u30a4\u30d0\u5c64\u306e\u554f\u984c\u306b\u3088\u3063\u3066\u5f15\u304d\u8d77\u3053\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e92\u63db\u6027\u30ea\u30b9\u30af\u304c\u660e\u78ba\u306b\u306a\u3063\u305f\u4eca\u3001\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u306f\u3001\u5c55\u958b\u969c\u5bb3\u30ea\u30b9\u30af\u3092\u6700\u5c0f\u5316\u3057\u3001\u9577\u671f\u7684\u306a\u5b89\u5b9a\u6027\u3092\u6700\u5927\u5316\u3059\u308b\u4fe1\u983c\u6027\u306e\u9ad8\u3044QSFP+ LR4\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u9078\u5b9a\u3059\u308b\u65b9\u6cd5\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udccc \u3088\u304f\u3042\u308b\u554f\u984c\u3068QSFP+ LR4\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">QSFP+ 40GBASE-LR4\u306f\u6210\u719f\u3057\u305f\u5e83\u304f\u63a1\u7528\u3055\u308c\u3066\u3044\u308b\u5149\u898f\u683c\u3067\u3059\u304c\u3001\u5b9f\u74b0\u5883\u3067\u306e\u5c0e\u5165\u3067\u306f\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u8a2d\u8a08\u305d\u306e\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u30d5\u30a1\u30a4\u30d0\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3001\u8a2d\u5b9a\u3001\u307e\u305f\u306f\u7269\u7406\u5c64\u306e\u54c1\u8cea\u306b\u8d77\u56e0\u3059\u308b\u554f\u984c\u306b\u983b\u7e41\u306b\u76f4\u9762\u3057\u307e\u3059\u3002\u672c\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u5b9f\u7a3c\u50cd\u74b0\u5883\u3067\u30a8\u30f3\u30b8\u30cb\u30a2\u304b\u3089\u591a\u304f\u5831\u544a\u3055\u308c\u308b\u5b9f\u8df5\u7684\u306a <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/sfp-troubleshooting-quick-checklist\/\">\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/a> \u306e\u30b7\u30ca\u30ea\u30aa\u306b\u7126\u70b9\u3092\u5f53\u3066\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\/408072ee9f984646a0b617d00d35047f.jpg\" alt=\"Common Problems and Troubleshooting QSFP+ LR4\" class=\"wp-image-2717\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/408072ee9f984646a0b617d00d35047f.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/408072ee9f984646a0b617d00d35047f-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/408072ee9f984646a0b617d00d35047f-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/408072ee9f984646a0b617d00d35047f-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/408072ee9f984646a0b617d00d35047f-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u25b6 LR4\u304c\u52d5\u4f5c\u3057\u306a\u3044\uff1a\u6700\u3082\u4e00\u822c\u7684\u306a\u539f\u56e0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">QSFP+ LR4 \u30ea\u30f3\u30af\u304c\u78ba\u7acb\u3067\u304d\u306a\u3044\u5834\u5408\u3001\u554f\u984c\u306f\u901a\u5e38\u4ee5\u4e0b\u306e\u3044\u305a\u308c\u304b\u306e\u30ab\u30c6\u30b4\u30ea\u306b\u8a72\u5f53\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30d9\u30f3\u30c0\u30fc\u307e\u305f\u306f\u30dd\u30fc\u30c8\u306e\u4e92\u63db\u6027\u30d6\u30ed\u30c3\u30af<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30b9\u30a4\u30c3\u30c1\u304c\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u306e\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u8a8d\u8b58\u3057\u306a\u3044<\/p><\/li>\n\n\n\n<li><p>\u30dd\u30fc\u30c8\u304cOEM\u30b3\u30fc\u30c9\u4ed8\u304d\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u306b\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u308b<\/p><\/li>\n\n\n\n<li><p>\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u5f8c\u306e\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u306e\u4e0d\u4e00\u81f4<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u75c7\u72b6\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u691c\u51fa\u3055\u308c\u306a\u3044\u3001\u307e\u305f\u306f\u300c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u300d\u30a8\u30e9\u30fc<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e0d\u9069\u5207\u306a\u30dd\u30fc\u30c8\u8a2d\u5b9a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30dd\u30fc\u30c8\u304c40G\u30e2\u30fc\u30c9\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044<\/p><\/li>\n\n\n\n<li><p>\u30d6\u30ec\u30a4\u30af\u30a2\u30a6\u30c8\u30e2\u30fc\u30c9\u304c\u8aa4\u3063\u3066\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\uff084\u00d710G\u5206\u5272\u69cb\u6210\uff09<\/p><\/li>\n\n\n\n<li><p>\u81ea\u52d5\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u306e\u4e0d\u4e00\u81f4<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u75c7\u72b6\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u691c\u51fa\u3055\u308c\u308b\u304c\u3001\u30ea\u30f3\u30af\u304c\u30c0\u30a6\u30f3\u3057\u305f\u307e\u307e\u306b\u306a\u308b<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5149\u51fa\u529b\u306e\u4e0d\u5747\u8861<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u9001\u4fe1\uff08TX\uff09\u51fa\u529b\u304c\u4f4e\u3059\u304e\u308b\u3001\u307e\u305f\u306f\u53d7\u4fe1\uff08RX\uff09\u904e\u8ca0\u8377<\/p><\/li>\n\n\n\n<li><p>\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u6e1b\u8870\u304c\u8a31\u5bb9\u96fb\u529b\u4e88\u7b97\u3092\u8d85\u3048\u308b<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u75c7\u72b6\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u8ca0\u8377\u4e0b\u3067\u30ea\u30f3\u30af\u304c\u30d5\u30e9\u30c3\u30d4\u30f3\u30b0\u3059\u308b\u3001\u307e\u305f\u306f\u4e0d\u5b89\u5b9a\u306a\u307e\u307e\u306b\u306a\u308b<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u25b6 \u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u4e0d\u9069\u5408\uff08<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/smf-optical-transceiver-vs-mmf-optical-transceiver-guide\/\">SMF \u5bfe MMF<\/a> \u554f\u984c\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u3082\u983b\u7e41\u306b\u767a\u751f\u3059\u308b\u5c55\u958b\u30df\u30b9\u306e\u4e00\u3064\u306f\u3001\u9593\u9055\u3063\u305f\u30d5\u30a1\u30a4\u30d0\u30fc\u30bf\u30a4\u30d7\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">QSFP+ LR4 \u306f\u4ee5\u4e0b\u306e\u7528\u9014\u3092\u60f3\u5b9a\u3057\u3066\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\uff08SMF \/ OS2\uff09<\/strong> \u306e\u307f<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u9593\u9055\u3063\u305f\u4f7f\u7528\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30de\u30eb\u30c1\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\uff08OM3 \/ OM4\uff09<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u767a\u751f\u3059\u308b\u73fe\u8c61\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u53b3\u91cd\u306a\u4fe1\u53f7\u52a3\u5316<\/p><\/li>\n\n\n\n<li><p>\u4e88\u6e2c\u4e0d\u80fd\u306a\u30ea\u30f3\u30af\u52d5\u4f5c<\/p><\/li>\n\n\n\n<li><p>\u6975\u3081\u3066\u77ed\u8ddd\u96e2\u3067\u306f\u3001\u5834\u5408\u306b\u3088\u3063\u3066\u90e8\u5206\u7684\u306a\u63a5\u7d9a\u304c\u6210\u7acb\u3059\u308b\u3053\u3068\u3082\u3042\u308b<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u8003\u5bdf\uff1a\u30ea\u30f3\u30af\u304c\u4e00\u6642\u7684\u306b\u52d5\u4f5c\u3057\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u3048\u3066\u3082\u3001\u672c\u756a\u74b0\u5883\u3067\u306f\u5b89\u5b9a\u3057\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25b6 \u77ed\u8ddd\u96e2\u306b\u304a\u3051\u308b\u61f8\u5ff5\uff08\u4e88\u671f\u305b\u306c\u304c\u5b9f\u5728\u3059\u308b\u554f\u984c\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">LR4 \u306f\u6700\u592710 km\u3092\u60f3\u5b9a\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u591a\u304f\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7528\u9014\u3067\u5c55\u958b\u3057\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u5185\u30e9\u30c3\u30af\u9593\u30ea\u30f3\u30af<\/p><\/li>\n\n\n\n<li><p>Sub-10 meter connections<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6f5c\u5728\u7684\u306a\u554f\u984c\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u53d7\u4fe1\uff08RX\uff09\u5149\u904e\u8ca0\u8377\uff08\u4fe1\u53f7\u304c\u5f37\u3059\u304e\u308b\uff09<\/p><\/li>\n\n\n\n<li><p>\u4e0d\u5341\u5206\u306b\u30d0\u30e9\u30f3\u30b9\u53d6\u3089\u308c\u305f\u30ea\u30f3\u30af\u3067\u7a00\u306b\u767a\u751f\u3059\u308b\u4e0d\u5b89\u5b9a\u6027<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u73fe\u5b9f\u78ba\u8a8d\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u591a\u304f\u306e\u6700\u65b0\u5f0f\u306e <a href=\"https:\/\/www.l-p.com\/products\/482456.htm\" target=\"_self\">QSFP+ LR4 \u30e2\u30b8\u30e5\u30fc\u30eb\u306f<\/a> \u77ed\u8ddd\u96e2\u3067\u3082\u554f\u984c\u306a\u304f\u52d5\u4f5c\u3057\u307e\u3059<\/p><\/li>\n\n\n\n<li><p>\u305f\u3060\u3057\u3001\u65e7\u5f0f\u307e\u305f\u306f\u4f4e\u30b3\u30b9\u30c8\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u306f\u5149\u6e1b\u8870\u5668\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7d4c\u9a13\u5247\uff1a\u30ea\u30f3\u30af\u304c\u6975\u3081\u3066\u77ed\u3044\u5834\u5408\uff08&lt;2\u20135 m\uff09\u3001DOM\u8a3a\u65ad\u3092\u7528\u3044\u3066RX\u5149\u51fa\u529b\u30ec\u30d9\u30eb\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25b6 \u4fe1\u53f7\u640d\u5931\u304a\u3088\u3073\u30b3\u30cd\u30af\u30bf\u306e\u6c5a\u67d3\uff08\u6700\u3082\u898b\u843d\u3068\u3055\u308c\u304c\u3061\u306a\u554f\u984c\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u969b\u306e\u5c55\u958b\u306b\u304a\u3044\u3066\u3001LR4\u306e\u969c\u5bb3\u306e\u6700\u3082\u4e00\u822c\u7684\u306a\u6839\u672c\u539f\u56e0\u306f\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u306f\u306a\u304f\u3001\u30d5\u30a1\u30a4\u30d0\u30fc\u30d1\u30b9\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5e38\u898b\u306e\u7269\u7406\u5c64\u306e\u554f\u984c\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u6c5a\u308c\u305fLC\u30b3\u30cd\u30af\u30bf<\/p><\/li>\n\n\n\n<li><p>\u30dd\u30ea\u30c3\u30b7\u30e5\u54c1\u8cea\u306e\u4e0d\u826f<\/p><\/li>\n\n\n\n<li><p>\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u30b1\u30fc\u30d6\u30eb\u306e\u30de\u30a4\u30af\u30ed\u30d9\u30f3\u30c9<\/p><\/li>\n\n\n\n<li><p>\u30b9\u30d7\u30e9\u30a4\u30b9\u640d\u5931\u306e\u904e\u5927<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5178\u578b\u7684\u306a\u75c7\u72b6\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30ea\u30f3\u30af\u306f\u78ba\u7acb\u3055\u308c\u308b\u304c\u3001\u65ad\u7d9a\u7684\u306b\u5207\u65ad\u3055\u308c\u308b<\/p><\/li>\n\n\n\n<li><p>\u9ad8\u3044 <a href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/understanding-what-is-bit-error-rate\/\" target=\"_blank\" rel=\"\">\u30d3\u30c3\u30c8\u30a8\u30e9\u30fc\u30ec\u30fc\u30c8<\/a> \uff08\u30d3\u30c3\u30c8\u30a8\u30e9\u30fc\u7387\uff1aBER\uff09<\/p><\/li>\n\n\n\n<li><p>\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u8ca0\u8377\u4e0b\u3067\u306e\u30d5\u30e9\u30c3\u30d4\u30f3\u30b0<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6700\u5584\u306e\u5bfe\u5fdc\u7b56\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u53d6\u308a\u4ed8\u3051\u524d\u306b\u3059\u3079\u3066\u306eLC\u30b3\u30cd\u30af\u30bf\u3092\u6e05\u6383\u3059\u308b<\/p><\/li>\n\n\n\n<li><p>\u53ef\u80fd\u3067\u3042\u308c\u3070\u3001\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\u30b9\u30b3\u30fc\u30d7\u3092\u4f7f\u7528\u3059\u308b<\/p><\/li>\n\n\n\n<li><p>\u30b1\u30fc\u30d6\u30eb\u306e\u6025\u306a\u66f2\u3052\uff08\u534a\u5f84\uff1c30 mm\uff09\u3092\u907f\u3051\u3066\u304f\u3060\u3055\u3044<\/p><\/li>\n\n\n\n<li><p>\u4fe1\u983c\u6027\u306e\u78ba\u8a8d\u6e08\u307f\u30d1\u30c3\u30c1\u30b1\u30fc\u30d6\u30eb\u3067\u518d\u30c6\u30b9\u30c8\u3057\u3066\u304f\u3060\u3055\u3044<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u25b6 \u8a3a\u65ad\u30c4\u30fc\u30eb\uff08\u30a8\u30f3\u30b8\u30cb\u30a2\u30ec\u30d9\u30eb\u306e\u30c7\u30d0\u30c3\u30b0\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">QSFP+ LR4\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u52b9\u679c\u7684\u306b\u884c\u3046\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3082\u306e\u3092\u4f7f\u7528\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30c7\u30b8\u30bf\u30eb\u5149\u5b66\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0 (DOM)<\/p>\n<ul class=\"wp-block-list\">\n<li><p>\u9001\u4fe1\uff08TX\uff09\u51fa\u529b\u96fb\u529b<\/p><\/li>\n\n\n\n<li><p>\u53d7\u4fe1\uff08RX\uff09\u5165\u529b\u96fb\u529b<\/p><\/li>\n\n\n\n<li><p>\u6e29\u5ea6<\/p><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><p>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u30a8\u30e9\u30fc\u30ab\u30a6\u30f3\u30bf\u30fc<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/optical-time-domain-reflectometer-fiber-fault-detection-guide\/\" target=\"_blank\" rel=\"\">OTDR<\/a> \uff08\u30d5\u30a1\u30a4\u30d0\u30fc\u969c\u5bb3\u4f4d\u7f6e\u7279\u5b9a\u7528\uff09<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u25b6 \u4e3b\u8981\u306a\u77e5\u898b\uff08\u5b9f\u969b\u306e\u5c0e\u5165\u4e8b\u4f8b\u3088\u308a\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u4e16\u754c\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3044\u3066\u3001LR4\u306b\u95a2\u3059\u308b\u554f\u984c\u306f\u901a\u5e38\u3001\u4ee5\u4e0b\u306e\u5206\u5e03\u306b\u5f93\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>50\u201360% \u2192 \u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u6e05\u6383\u72b6\u614b\uff0f\u7269\u7406\u5c64\u306e\u554f\u984c<\/p><\/li>\n\n\n\n<li><p>20\u201330% \u2192 \u8a2d\u5b9a\uff0f\u30dd\u30fc\u30c8\u8a2d\u5b9a\u306e\u554f\u984c<\/p><\/li>\n\n\n\n<li><p>10\u201320% \u2192 \u30d9\u30f3\u30c0\u30fc\u9593\u4e92\u63db\u6027\uff0f\u7b26\u53f7\u5316\u306e\u554f\u984c<\/p><\/li>\n\n\n\n<li><p>\uff1c10% \u2192 \u5b9f\u969b\u306e\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u6545\u969c<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7d50\u8ad6\uff1a\u307b\u3068\u3093\u3069\u306eLR4\u300c\u6545\u969c\u300d\u306f\u5149\u5b66\u8a2d\u8a08\u306e\u554f\u984c\u3067\u306f\u306a\u304f\u3001\u5c0e\u5165\u54c1\u8cea\u306e\u554f\u984c\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u822c\u7684\u306a\u554f\u984c\u3068\u305d\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u624b\u6cd5\u304c\u660e\u78ba\u306b\u306a\u3063\u305f\u4eca\u3001\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u306f\u3001\u3053\u308c\u3089\u306e\u554f\u984c\u3092\u5c0e\u5165\u524d\u306b\u672a\u7136\u306b\u9632\u3050\u305f\u3081\u306e\u4fe1\u983c\u6027\u306e\u9ad8\u3044QSFP+ 40GBASE-LR4\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u9078\u5b9a\u65b9\u6cd5\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udccc \u4fe1\u983c\u6027\u306e\u9ad8\u3044QSFP+ 40GBASE-LR4\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u9078\u5b9a\u65b9\u6cd5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9069\u5207\u306aQSFP+ <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/482486.htm\">40GBASE-LR4\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u9078\u5b9a<\/a> \u306f\u5358\u306a\u308b\u8abf\u9054\u5224\u65ad\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5b89\u5b9a\u6027\u3001\u7a3c\u50cd\u6642\u9593\u3001\u9577\u671f\u7684\u306a\u4fdd\u5b88\u30b3\u30b9\u30c8\u306b\u76f4\u63a5\u5f71\u97ff\u3057\u307e\u3059\u3002\u5e02\u5834\u306b\u306f\u591a\u6570\u306e\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u304a\u3088\u3073OEM\u88fd\u54c1\u304c\u5b58\u5728\u3059\u308b\u305f\u3081\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u5c0e\u5165\u524d\u306b\u6280\u8853\u7684\u9069\u5408\u6027\u3068\u5b9f\u904b\u7528\u306b\u304a\u3051\u308b\u4fe1\u983c\u6027\u306e\u4e21\u65b9\u3092\u8a55\u4fa1\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\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\/5cafe44c08b94bbd92ab88f8d79d5ecc.jpg\" alt=\"How to Choose a Reliable QSFP+ 40GBASE-LR4 Module\" class=\"wp-image-2718\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5cafe44c08b94bbd92ab88f8d79d5ecc.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5cafe44c08b94bbd92ab88f8d79d5ecc-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5cafe44c08b94bbd92ab88f8d79d5ecc-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5cafe44c08b94bbd92ab88f8d79d5ecc-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5cafe44c08b94bbd92ab88f8d79d5ecc-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9 vs. \u30b3\u30b9\u30c8\u306e\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">QSFP+ LR4\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u9078\u5b9a\u3059\u308b\u969b\u3001\u8cfc\u5165\u8005\u306f\u901a\u5e38\u4ee5\u4e0b\u306e3\u3064\u306e\u30ab\u30c6\u30b4\u30ea\u306b\u5206\u985e\u3055\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4f4e\u30b3\u30b9\u30c8\u306e\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u5149\u30e2\u30b8\u30e5\u30fc\u30eb<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u5229\u70b9\uff1a\u4e88\u7b97\u306b\u512a\u308c\u3001\u5e83\u304f\u5165\u624b\u53ef\u80fd<\/p><\/li>\n\n\n\n<li><p>\u6b20\u70b9\uff1a\u4e92\u63db\u6027\u30ea\u30b9\u30af\u304c\u9ad8\u304f\u3001\u54c1\u8cea\u304c\u4e00\u8cab\u3057\u306a\u3044<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>OEM\u30d6\u30e9\u30f3\u30c9\u30e2\u30b8\u30e5\u30fc\u30eb\uff08Cisco\uff0fJuniper\u7d14\u6b63\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u5229\u70b9\uff1a\u6700\u5927\u9650\u306e\u4e92\u63db\u6027\u3001\u4fdd\u8a3c\u3055\u308c\u305f\u30b5\u30dd\u30fc\u30c8<\/p><\/li>\n\n\n\n<li><p>\u6b20\u70b9\uff1a\u9ad8\u30b3\u30b9\u30c8\u3001\u30d9\u30f3\u30c0\u30fc\u4f9d\u5b58<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>MSA\u6e96\u62e0\u306e\u9ad8\u54c1\u8cea\u4e92\u63db\u5149\u30e2\u30b8\u30e5\u30fc\u30eb\uff08\u63a8\u5968\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u5229\u70b9\uff1a\u30b3\u30b9\u30c8\u3068\u6027\u80fd\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u826f\u304f\u3001\u9ad8\u3044\u76f8\u4e92\u904b\u7528\u6027\u3068\u5b89\u5b9a\u3057\u305f\u6027\u80fd<\/p><\/li>\n\n\n\n<li><p>\u6b20\u70b9\uff1a\u30d9\u30f3\u30c0\u30fc\u9078\u5b9a\u306b\u5341\u5206\u306a\u6ce8\u610f\u304c\u5fc5\u8981<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u63a8\u5968\uff1a\u4f01\u696d\u304a\u3088\u3073\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u74b0\u5883\u306e\u591a\u304f\u3067\u306f\u3001MSA\u6e96\u62e0\u306e\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3LR4\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u6700\u3082\u512a\u308c\u305f\u6295\u8cc7\u5bfe\u52b9\u679c\uff08ROI\uff09\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d9\u30f3\u30c0\u30fc\u9078\u5b9a\u6226\u7565\uff08\u6545\u969c\u30ea\u30b9\u30af\u306e\u56de\u907f\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9069\u5207\u306a\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306e\u9078\u5b9a\u306f\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u305d\u306e\u3082\u306e\u3068\u540c\u3058\u304f\u3089\u3044\u91cd\u8981\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u78ba\u8a8d\u3059\u3079\u304d\u30dd\u30a4\u30f3\u30c8\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u5149\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u5206\u91ce\u306b\u304a\u3051\u308b\u5b9f\u7e3e\u306e\u3042\u308b\u5b9f\u7e3e<\/p><\/li>\n\n\n\n<li><p>\u53b3\u683c\u306a\u88fd\u9020\u30c6\u30b9\u30c8\uff08\u30d0\u30fc\u30f3\u30a4\u30f3\u3001\u30b9\u30c8\u30ec\u30b9\u30c6\u30b9\u30c8\uff09<\/p><\/li>\n\n\n\n<li><p>\u660e\u78ba\u306a\u9069\u5408\u6027\u306e\u78ba\u8a8d\uff1a <a href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/ieee-institute-of-electrical-and-electronics-engineers\/\" target=\"_blank\" rel=\"\">IEEE\u898f\u683c<\/a><\/p><\/li>\n\n\n\n<li><p>\u5f37\u529b\u306a\u6280\u8853\u30b5\u30dd\u30fc\u30c8\u304a\u3088\u3073RMA\u30dd\u30ea\u30b7\u30fc<\/p><\/li>\n\n\n\n<li><p>\u5b9f\u969b\u306e\u4e92\u63db\u6027\u30ea\u30b9\u30c8\uff08\u4e00\u822c\u7684\u306a\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u4e3b\u5f35\u3067\u306f\u306a\u304f\uff09<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u907f\u3051\u308b\u3079\u304d\u8d64\u65d7\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u4ed5\u69d8\u306e\u4e0d\u900f\u660e\u6027<\/p><\/li>\n\n\n\n<li><p>DOM\u30ec\u30dd\u30fc\u30c8\u6a5f\u80fd\u306e\u672a\u5bfe\u5fdc<\/p><\/li>\n\n\n\n<li><p>\u9069\u5408\u8a8d\u8a3c\u306e\u6b20\u843d<\/p><\/li>\n\n\n\n<li><p>\u201c\u30c6\u30b9\u30c8\u8a3c\u62e0\u306e\u306a\u3044\u300c\u30e6\u30cb\u30d0\u30fc\u30b5\u30eb\u4e92\u63db\u6027\u300d\u306e\u4e3b\u5f35<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u5c0e\u5165\u524d\u306e\u30c6\u30b9\u30c8\uff08\u5fc5\u9808\u30b9\u30c6\u30c3\u30d7\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ad8\u54c1\u8cea\u306aQSFP+ LR4\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u3042\u3063\u3066\u3082\u3001\u672c\u756a\u5c0e\u5165\u524d\u306b\u691c\u8a3c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u306e\u691c\u8a3c\u624b\u9806\uff1a<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5916\u89b3\u691c\u67fb<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>LC\u30b3\u30cd\u30af\u30bf\u3092\u6e05\u6383<\/p><\/li>\n\n\n\n<li><p>\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u306b\u53ef\u8996\u7684\u306a\u640d\u50b7\u3084\u307b\u3053\u308a\u304c\u306a\u3044\u3053\u3068<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u691c\u51fa\u30c6\u30b9\u30c8<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30b9\u30a4\u30c3\u30c1\u304c\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u8a8d\u8b58\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d<\/p><\/li>\n\n\n\n<li><p>\u30d9\u30f3\u30c0\u30fc\u306e\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u72b6\u614b\u3092\u78ba\u8a8d<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5149\u51fa\u529b\u30c1\u30a7\u30c3\u30af\uff08DOM\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u9001\u4fe1\uff08TX\uff09\uff0f\u53d7\u4fe1\uff08RX\uff09\u5149\u51fa\u529b\u304c\u60f3\u5b9a\u7bc4\u56f2\u5185\u3067\u3042\u308b\u3053\u3068<\/p><\/li>\n\n\n\n<li><p>\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u307e\u305f\u306f\u30a2\u30f3\u30c0\u30fc\u30d1\u30ef\u30fc\u72b6\u614b\u3067\u306a\u3044\u3053\u3068<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30b9\u30c8\u30ec\u30b9\u30c6\u30b9\u30c8<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u9577\u6642\u9593\u306b\u308f\u305f\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u8ca0\u8377\u3092\u304b\u3051\u305f\u52d5\u4f5c\u78ba\u8a8d<\/p><\/li>\n\n\n\n<li><p>\u30ea\u30f3\u30af\u306e\u30d5\u30ea\u30c3\u30d4\u30f3\u30b0\u3084\u30d3\u30c3\u30c8\u30a8\u30e9\u30fc\u7387\uff08BER\uff09\u306e\u5897\u52a0\u3092\u76e3\u8996<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8907\u6570\u30d9\u30f3\u30c0\u30fc\u9593\u3067\u306e\u76f8\u4e92\u904b\u7528\u6027\u30c6\u30b9\u30c8\uff08\u8a72\u5f53\u3059\u308b\u5834\u5408\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u6df7\u5728\u74b0\u5883\u306b\u304a\u3051\u308b\u76f8\u4e92\u904b\u7528\u6027\u3092\u691c\u8a3c<\/p><\/li>\n\n\n\n<li><p>\u5b9f\u969b\u306e\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u4e0b\u3067\u5b89\u5b9a\u3057\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u78ba\u4fdd<\/p><\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u6700\u3082\u4fe1\u983c\u6027\u306e\u9ad8\u3044QSFP+ 40GBASE-LR4\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u5fc5\u305a\u3057\u3082\u6700\u3082\u9ad8\u4fa1\u306a\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5b8c\u5168\u306a\u9069\u5408\u6027\u3001\u9069\u5207\u306a\u30c6\u30b9\u30c8\u3001\u304a\u3088\u3073\u304a\u5ba2\u69d8\u306e\u30b9\u30a4\u30c3\u30c1\u74b0\u5883\u3078\u306e\u6b63\u78ba\u306a\u9069\u5408\u6027\u304c\u9375\u3067\u3059\u3002.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u9078\u5b9a\u304a\u3088\u3073\u691c\u8a3c\u3092\u5b8c\u4e86\u3057\u305f\u5f8c\u3001\u6700\u7d42\u30b9\u30c6\u30c3\u30d7\u3068\u3057\u3066\u3001QSFP+ 40GBASE-LR4\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5c0e\u5165\u306b\u969b\u3057\u3066\u3001\u3059\u3079\u3066\u306e\u6280\u8853\u7684\u30fb\u30d3\u30b8\u30cd\u30b9\u8981\u56e0\u304c\u3069\u306e\u3088\u3046\u306b\u7d71\u5408\u3055\u308c\u3001\u6700\u9069\u306a\u5c0e\u5165\u5224\u65ad\u3078\u3068\u7d50\u3073\u3064\u304f\u304b\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udccc QSFP+ 40GBASE-LR4\u306f\u307e\u3060\u4fa1\u5024\u304c\u3042\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u6025\u901f\u306b\u9032\u5316\u3057\u3066\u304a\u308a\u3001 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-27045-100g-qsfp28-sfp-dd.htm\">100G<\/a>, <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26224-200g-qsfp-dd-qsfp56.htm\">200G<\/a>, \u3001\u3055\u3089\u306b\u306f <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26045-400g-qsfp-dd-osfp-qsfp112.htm\">\u9ad8\u3044\u30dd\u30fc\u30c8\u5bc6\u5ea6<\/a> \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3078\u3068\u79fb\u884c\u3057\u3066\u3044\u307e\u3059\u3002\u591a\u304f\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u304a\u3088\u3073\u8abf\u9054\u30c1\u30fc\u30e0\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u91cd\u8981\u306a\u554f\u3044\u3092\u6295\u3052\u304b\u3051\u3066\u3044\u307e\u3059\u3002\u300cQSFP+ 40GBASE-LR4\u306f\u3001\u307e\u3060\u6295\u8cc7\u4fa1\u5024\u306e\u3042\u308b\u9078\u629e\u80a2\u306a\u306e\u3067\u3057\u3087\u3046\u304b\uff1f\u300d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u554f\u3044\u3078\u306e\u56de\u7b54\u306f\u3001\u5c0e\u5165\u898f\u6a21\u3001\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u6226\u7565\u3001\u304a\u3088\u3073\u65e2\u5b58\u30a4\u30f3\u30d5\u30e9\u306e\u4e92\u63db\u6027\u306b\u4f9d\u5b58\u3057\u307e\u3059\u300240G\u306f\u3082\u306f\u3084\u6700\u65b0\u898f\u683c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001LR4\u306f\u591a\u304f\u306e\u5b9f\u969b\u306e\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u304a\u3088\u3073\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u74b0\u5883\u306b\u304a\u3044\u3066\u4f9d\u7136\u3068\u3057\u3066\u6975\u3081\u3066\u91cd\u8981\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\/9e41060a88e941789c832cdd4f835d9b.jpg\" alt=\"Is QSFP+ 40GBASE-LR4 Still Worth It?\" class=\"wp-image-2719\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9e41060a88e941789c832cdd4f835d9b.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9e41060a88e941789c832cdd4f835d9b-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9e41060a88e941789c832cdd4f835d9b-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9e41060a88e941789c832cdd4f835d9b-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9e41060a88e941789c832cdd4f835d9b-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">40G vs. 100G \u306e\u52d5\u5411\u5206\u6790<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u696d\u754c\u306f\u660e\u78ba\u306b\u3001\u3088\u308a\u9ad8\u5e2f\u57df\u306e\u5149\u5b66\u90e8\u54c1\u3078\u3068\u30b7\u30d5\u30c8\u3057\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>100G\uff08<a href=\"https:\/\/www.l-p.com\/products\/488452.htm\" target=\"_self\">QSFP28<\/a>\uff09\u306f\u3001\u65b0\u8a2d\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u5411\u3051\u306e\u4e3b\u6d41\u898f\u683c\u3068\u306a\u308a\u307e\u3057\u305f<\/p><\/li>\n\n\n\n<li><p>40G\uff08<a href=\"https:\/\/www.l-p.com\/store-26153-40g-qsfp.htm\" target=\"_self\">QSFP+<\/a>) \u306f\u3001\u5f93\u6765\u306e\u62e1\u5f35\u304a\u3088\u3073\u30df\u30c3\u30c9\u30c6\u30a3\u30a2\u96c6\u7d04\u5c64\u3067\u307e\u3059\u307e\u3059\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p><\/li>\n\n\n\n<li><p>\u30cf\u30a4\u30d1\u30fc\u30b9\u30b1\u30fc\u30e9\u30fc\u306f\u3001\u30b9\u30d1\u30a4\u30f3\u30fb\u30b3\u30a2\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u5411\u3051\u306b200G\/400G\u3078\u3068\u79fb\u884c\u3057\u3066\u3044\u307e\u3059\u3002<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3060\u3057\u3001\u3053\u306e\u79fb\u884c\u306f\u4e00\u69d8\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u591a\u304f\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u7406\u7531\u306b\u3088\u308a\u3001\u4f9d\u7136\u3068\u3057\u3066\u8907\u6570\u306e\u901f\u5ea6\u304c\u6df7\u5728\u3059\u308b\u74b0\u5883\u3067\u904b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u9577\u3044\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u5237\u65b0\u30b5\u30a4\u30af\u30eb\uff085\uff5e10\u5e74\uff09<\/p><\/li>\n\n\n\n<li><p>\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30baIT\u306b\u304a\u3051\u308b\u30b3\u30b9\u30c8\u5236\u7d04<\/p><\/li>\n\n\n\n<li><p>\u65e2\u5b58\u306e\u30d5\u30a1\u30a4\u30d0\u30fc\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u30fc\u306e\u5236\u9650<\/p><\/li>\n\n\n\n<li><p>\u5168\u9762\u7684\u306a\u7f6e\u304d\u63db\u3048\u3067\u306f\u306a\u304f\u3001\u6bb5\u968e\u7684\u306a\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u91cd\u8981\u306a\u6d1e\u5bdf\uff1a40G\u306f\u6d88\u6ec5\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30ec\u30ac\u30b7\u30fc\u3067\u3042\u308a\u306a\u304c\u3089\u3082\u4e0d\u53ef\u6b20\u306a\u76f8\u4e92\u904b\u7528\u6027\u30ec\u30a4\u30e4\u30fc\u3068\u3057\u3066\u5b89\u5b9a\u5316\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">QSFP+ 40GBASE-LR4\u304c\u4f9d\u7136\u3068\u3057\u3066\u9069\u3057\u3066\u3044\u308b\u30b1\u30fc\u30b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u65b0\u3057\u3044\u898f\u683c\u304c\u767b\u5834\u3057\u305f\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001LR4\u306f\u4ee5\u4e0b\u306e\u3044\u304f\u3064\u304b\u306e\u30b7\u30ca\u30ea\u30aa\u306b\u304a\u3044\u3066\u4f9d\u7136\u3068\u3057\u3066\u5f37\u529b\u306a\u9078\u629e\u80a2\u3067\u3059\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30ad\u30e3\u30f3\u30d1\u30b9\u306e\u30d0\u30c3\u30af\u30dc\u30fc\u30f3<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u6700\u592710 km\u306e\u5efa\u7269\u9593\u63a5\u7d9a<\/p><\/li>\n\n\n\n<li><p>\u5b89\u5b9a\u3057\u305f\u9577\u8ddd\u96e2\u96c6\u7d04\u30ea\u30f3\u30af<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u9593\u63a5\u7d9a\uff08DCI \u2013 \u4e2d\u898f\u6a21\uff09<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u5225\u500b\u306e\u30c7\u30fc\u30bf\u30db\u30fc\u30eb\u3084\u8fd1\u96a3\u306e\u65bd\u8a2d\u9593\u306e\u63a5\u7d9a<\/p><\/li>\n\n\n\n<li><p>\u9577\u8ddd\u96e2\u4f1d\u9001\u306b\u304a\u3051\u308b100G\u306b\u5bfe\u3059\u308b\u8cbb\u7528\u5bfe\u52b9\u679c\u306e\u9ad8\u3044\u4ee3\u66ff\u624b\u6bb5<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e88\u7b97\u6700\u9069\u5316\u3092\u91cd\u8996\u3057\u305f\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u65e2\u5b58\u306eQSFP+\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u30fc\u306e\u518d\u5229\u7528<\/p><\/li>\n\n\n\n<li><p>QSFP28\u3078\u306e\u5168\u9762\u79fb\u884c\u3092\u56de\u907f<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8907\u6570\u4e16\u4ee3\u304c\u6df7\u5728\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>10G\uff0f40G\uff0f100G\u304c\u5171\u5b58\u3059\u308b\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u74b0\u5883<\/p><\/li>\n\n\n\n<li><p>\u6bb5\u968e\u7684\u306a\u79fb\u884c\u6226\u7565<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u610f\u601d\u6c7a\u5b9a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">LR4\u3092\u9078\u629e\u3059\u308b\u524d\u306b\u3001\u4ee5\u4e0b\u306e\u5b9f\u7528\u7684\u306a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u7528\u3044\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u8a55\u4fa1\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5e2f\u57df\u5e45\u8981\u4ef6<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u6301\u7d9a\u7684\u306a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c&lt; 30\u201335 Gbps\u306e\u5834\u5408 \u2192 <a href=\"https:\/\/www.l-p.com\/products\/482487.htm\" target=\"_self\">40G LR4<\/a> \u3067\u5341\u5206\u3067\u3059<\/p><\/li>\n\n\n\n<li><p>50 Gbps\u3092\u8d85\u3048\u308b\u6210\u9577\u304c\u898b\u8fbc\u307e\u308c\u308b\u5834\u5408 \u2192 100G\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u30fc\u306e\u6e96\u5099\u72b6\u6cc1<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u65e2\u5b58\u306eQSFP+\u30dd\u30fc\u30c8\u304c\u3042\u308b\u5834\u5408 \u2192 LR4\u304c\u8cbb\u7528\u5bfe\u52b9\u679c\u306b\u512a\u308c\u307e\u3059<\/p><\/li>\n\n\n\n<li><p>\u65b0\u898f\u5c0e\u5165\u306e\u5834\u5408 \u2192 \u5c06\u6765\u7684\u306a\u62e1\u5f35\u6027\u3092\u8003\u616e\u3057\u3001100G\u304c\u3088\u308a\u9069\u3057\u3066\u3044\u307e\u3059<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8ddd\u96e2\u8981\u4ef6<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u5358\u4e00\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u30fc\u3067\u6700\u592710 km\u307e\u3067 \u2192 LR4\u304c\u6700\u9069\u3067\u3059<\/p><\/li>\n\n\n\n<li><p>\u540c\u3058\u8ddd\u96e2\u3067\u3088\u308a\u9ad8\u3044\u5bb9\u91cf\u304c\u5fc5\u8981\u306a\u5834\u5408 \u2192 <a href=\"https:\/\/www.l-p.com\/products\/488423.\" target=\"_self\">100G LR4<\/a>\uff0fER4\u306a\u3069\u306e\u4ee3\u66ff\u624b\u6bb5<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e88\u7b97 vs. \u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u6226\u7565<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u77ed\u671f\u7684\u306a\u30b3\u30b9\u30c8\u6700\u9069\u5316\u3092\u91cd\u8996\u3059\u308b\u5834\u5408 \u2192 40G\u304c\u6709\u5229\u3067\u3059<\/p><\/li>\n\n\n\n<li><p>\u9577\u671f\u7684\u306a\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3092\u91cd\u8996\u3059\u308b\u5834\u5408 \u2192 100G\u304c\u63a8\u5968\u3055\u308c\u307e\u3059<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u6700\u7d42\u7684\u306a\u63a8\u5968<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3054\u4f7f\u7528\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u4f9d\u7136\u3068\u3057\u3066QSFP+\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u30fc\u4e0a\u3067\u904b\u7528\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u300140GBASE-LR4\u306f\u3001\u5b89\u5b9a\u3057\u305f\u9577\u8ddd\u96e2\u5149\u4f1d\u9001\u306b\u5bfe\u3057\u3066\u5b9f\u7528\u7684\u304b\u3064\u8cbb\u7528\u5bfe\u52b9\u679c\u306e\u9ad8\u3044\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306e\u307e\u307e\u3067\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3060\u3057\u3001\u65b0\u3057\u3044\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u69cb\u7bc9\u3084\u5927\u898f\u6a21\u306a\u5237\u65b0\u3092\u8a08\u753b\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u9577\u671f\u7684\u306a\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u3001100G\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u3078\u306e\u6bb5\u968e\u7684\u79fb\u884c\u3092\u691c\u8a0e\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u3001MSA\u6e96\u62e0\u306eQSFP+ LR4\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u3001\u5b89\u5b9a\u3057\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u5f37\u529b\u306a <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/interoperability-in-networking-meaning-standards-connectivity\/\">\u3053\u308c\u3089\u306e\u3044\u305a\u308c\u304b\u304c\u5931\u6557\u3059\u308b\u3068\u3001\u30ea\u30f3\u30af\u304c\u30c0\u30a6\u30f3\u3057\u305f\u307e\u307e\u306b\u306a\u308b\u304b\u4e0d\u5b89\u5b9a\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/a>, \u3092\u6c42\u3081\u308b\u30a8\u30f3\u30b8\u30cb\u30a2\u304a\u3088\u3073\u8abf\u9054\u30c1\u30fc\u30e0\u5411\u3051\u306b\u3001\u4ee5\u4e0b\u306e\u4fe1\u983c\u3067\u304d\u308b\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u3054\u78ba\u8a8d\u3044\u305f\u3060\u3051\u307e\u3059\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/\"><strong>LINK-PP\u516c\u5f0f\u30b9\u30c8\u30a2<\/strong><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6700\u7d42\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30a4\u30f3\u30b5\u30a4\u30c8<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">QSFP+ 40GBASE-LR4\u306f\u3082\u306f\u3084\u300c\u5c06\u6765\u306e\u6a19\u6e96\u300d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u5b89\u5b9a\u307e\u305f\u306f\u30ec\u30ac\u30b7\u30fc\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u74b0\u5883\u306b\u304a\u3044\u3066\u5f15\u304d\u7d9a\u304d\u9ad8\u3044\u6295\u8cc7\u5bfe\u52b9\u679c\uff08ROI\uff09\u3092\u5b9f\u73fe\u3059\u308b\u6226\u7565\u7684\u306a\u30d6\u30ea\u30c3\u30b8\u6280\u8853\u3068\u3057\u3066\u4fa1\u5024\u3092\u4fdd\u3063\u3066\u3044\u307e\u3059\u3002.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u7279\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u5408\u306b\u6709\u52b9\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>10 km\u306e\u9577\u8ddd\u96e2\u30ea\u30f3\u30af\u304c\u5fc5\u8981\u306a\u5834\u5408<\/p><\/li>\n\n\n\n<li><p>\u65e2\u5b58\u306eQSFP+\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3092\u5ef6\u9577\u3057\u305f\u3044\u5834\u5408<\/p><\/li>\n\n\n\n<li><p>\u30b3\u30b9\u30c8\u52b9\u7387\u306e\u9ad8\u3044\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u63a5\u7d9a\u3092\u5fc5\u8981\u3068\u3059\u308b\u5834\u5408<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udccc QSFP+ 40GBASE-LR4 \u3088\u304f\u3042\u308b\u8cea\u554f\uff08FAQ\uff09<\/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\/db2eb27fb64a451b83684998ab16bdd0.jpg\" alt=\"QSFP+ 40GBASE-LR4 FAQ\" class=\"wp-image-2720\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/db2eb27fb64a451b83684998ab16bdd0.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/db2eb27fb64a451b83684998ab16bdd0-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/db2eb27fb64a451b83684998ab16bdd0-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/db2eb27fb64a451b83684998ab16bdd0-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/db2eb27fb64a451b83684998ab16bdd0-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">LR4\u306f\u30de\u30eb\u30c1\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u30fc\u3067\u52d5\u4f5c\u3057\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3044\u3044\u3048\u3002QSFP+ 40GBASE-LR4\u306f\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u30fc\uff08SMF \/ OS2\uff09\u5c02\u7528\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">LR4\u306f\u6ce2\u9577\u5206\u5272\u591a\u91cd\u5316\uff084\u00d710G\u4fe1\u53f7\uff09\u3092\u63a1\u7528\u3057\u3066\u304a\u308a\u3001\u6a19\u6e96\u7684\u306a\u8ddd\u96e2\u3067\u306f\u30de\u30eb\u30c1\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u30fc\uff08OM3\/OM4\uff09\u304c\u30b5\u30dd\u30fc\u30c8\u3067\u304d\u306a\u3044\u4f4e\u640d\u5931\u4f1d\u9001\u7279\u6027\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30de\u30eb\u30c1\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u30fc\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u554f\u984c\u304c\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>\u9ad8\u3044\u4fe1\u53f7\u640d\u5931<\/p><\/li>\n\n\n\n<li><p>\u4e0d\u5b89\u5b9a\u306a\u30ea\u30f3\u30af\u52d5\u4f5c<\/p><\/li>\n\n\n\n<li><p>\u9577\u8ddd\u96e2\u8a2d\u5b9a\u3067\u306e\u5b8c\u5168\u306a\u30ea\u30f3\u30af\u969c\u5bb3<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">LR4\u306e\u6700\u5c0f\u8ddd\u96e2\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">LR4\u306b\u306f <strong>\u53b3\u5bc6\u306a\u6700\u5c0f\u8ddd\u96e2\u8981\u4ef6\u306f<\/strong> \u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3060\u3057\u3001\u5b9f\u969b\u306e\u5c55\u958b\u3067\u306f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u901a\u5e38\u306e\u8a2d\u8a08\u7bc4\u56f2\uff1a <strong>2 m\uff5e10 km<\/strong><\/p><\/li>\n\n\n\n<li><p>\u975e\u5e38\u306b\u77ed\u3044\u30ea\u30f3\u30af\uff08&lt;2\uff5e5 m\uff09\u3067\u306f\u3001\u4e00\u90e8\u306e\u74b0\u5883\u3067 <strong>\u5149\u51fa\u529b\u306e\u4e0d\u5747\u8861<\/strong> \u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u5584\u306e\u5b9f\u8df5\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u975e\u5e38\u306b\u77ed\u3044\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u30b1\u30fc\u30d6\u30eb\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u53d7\u4fe1\uff08RX\uff09\u96fb\u529b\u304c\u5b89\u5168\u7bc4\u56f2\u5185\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u3001 <strong>DOM\uff08\u30c7\u30b8\u30bf\u30eb\u5149\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\uff09<\/strong> \u306e\u5024\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">LR4\u306f\u30d6\u30ec\u30a4\u30af\u30a2\u30a6\u30c8\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3044\u3044\u3048\u3001QSFP+ 40GBASE-LR4\u306f\u30cd\u30a4\u30c6\u30a3\u30d6\u30674\u00d710G\u30ec\u30fc\u30f3\u3078\u306e\u30d6\u30ec\u30a4\u30af\u30a2\u30a6\u30c8\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u305b\u3093\u3002.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">LR4\u306f\u5185\u90e8\u7684\u306b4\u00d710G\u306e\u6ce2\u9577\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u308c\u306f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u5358\u4e00\u306e40G\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30ea\u30f3\u30af\u306b\u96c6\u7d04\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p><\/li>\n\n\n\n<li><p>\u8907\u6570\u306e10G\u30dd\u30fc\u30c8\u3078\u306e\u30d5\u30a1\u30f3\u30a2\u30a6\u30c8\u3092\u76ee\u7684\u3068\u3057\u3066\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d6\u30ec\u30a4\u30af\u30a2\u30a6\u30c8\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u3082\u306e\u3092\u3054\u4f7f\u7528\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>MPO\u30d9\u30fc\u30b9\u306e\u30d6\u30ec\u30a4\u30af\u30a2\u30a6\u30c8\u30b1\u30fc\u30d6\u30eb\u3092\u5099\u3048\u305fQSFP+ SR4<\/p><\/li>\n\n\n\n<li><p>\u307e\u305f\u306f\u5c02\u7528\u306e4\u00d710G SFP+\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">LR4\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u306f\u30a2\u30c3\u30c6\u30cd\u30fc\u30bf\u30fc\u304c\u5fc5\u8981\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u901a\u5e38\u3001\u6a19\u6e96\u7684\u306a\u5c55\u958b\u3067\u306fLR4\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u30a2\u30c3\u30c6\u30cd\u30fc\u30bf\u30fc\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002.<\/strong><\/p>\n\n\n\n<p 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