{"id":2766,"date":"2026-03-31T00:00:00","date_gmt":"2026-03-31T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/products\/40gbase-er4-reach-compatibility-and-deployment-guide-2\/"},"modified":"2026-06-22T03:41:12","modified_gmt":"2026-06-22T03:41:12","slug":"40gbase-er4-reach-compatibility-and-deployment-guide","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ja\/products\/40gbase-er4-reach-compatibility-and-deployment-guide","title":{"rendered":"40GBASE-ER4\uff1a\u5230\u9054\u8ddd\u96e2\u3001\u4e92\u63db\u6027\u3001\u304a\u3088\u3073\u5c55\u958b\u30ac\u30a4\u30c9"},"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\/4ce94cb40a0f4523b8ef9dd6bd22a077-1024x536.jpg\" alt=\"40GBASE-ER4: Reach, Compatibility, and Deployment Guide\" class=\"wp-image-2755\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4ce94cb40a0f4523b8ef9dd6bd22a077-1024x536.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4ce94cb40a0f4523b8ef9dd6bd22a077-300x157.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4ce94cb40a0f4523b8ef9dd6bd22a077-768x402.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4ce94cb40a0f4523b8ef9dd6bd22a077-18x9.jpg 18w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4ce94cb40a0f4523b8ef9dd6bd22a077.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u73fe\u4ee3\u306e\u9ad8\u901f\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3044\u3066\u3001<br>, <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/472716.htm\">40GBASE-ER4<br><\/a> \u306f\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b<br> <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26153-40g-qsfp.htm\">QSFP+\u5149\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc<br><\/a> \u3067\u3042\u308a\u3001\u5358\u4e00\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\uff08SMF\uff09\u4e0a\u3067\u306e\u9577\u8ddd\u96e240\u30ae\u30ac\u30d3\u30c3\u30c8\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u4f1d\u9001\u3092\u76ee\u7684\u3068\u3057\u3066\u8a2d\u8a08\u3055\u308c\u305f\u898f\u683c\u3067\u3059\u3002\u4e3b\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ea\u30f3\u30af\u304c\u6700\u5927\u7d0440 km\u306b\u53ca\u3076\u5fc5\u8981\u304c\u3042\u308b\u30b7\u30ca\u30ea\u30aa\u3067\u5c55\u958b\u3055\u308c\u3001\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u9593\u63a5\u7d9a\u3001\u30e1\u30c8\u30ed\u96c6\u7d04\u3001\u304a\u3088\u3073\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u77ed\u8ddd\u96e2\u307e\u305f\u306f\u30de\u30eb\u30c1\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u5bfe\u5fdc\u306e40G\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u306f\u7570\u306a\u308a\u300140GBASE-ER4\u306f\u6ce2\u9577\u5206\u5272\u591a\u91cd\u5316\uff08<br><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/wdm-optical-transceiver-module-applications\/\">WDM<\/a>\uff09\u6280\u8853\u3092\u7528\u3044\u3066\u3001\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u5358\u4e00\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u4e0a\u30674\u3064\u306e\u72ec\u7acb\u3057\u305f10G\u4fe1\u53f7\u3092\u540c\u6642\u4f1d\u9001\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u9577\u8ddd\u96e2\u306b\u308f\u305f\u3063\u3066\u9ad8\u3044\u5e2f\u57df\u52b9\u7387\u3068\u5b89\u5b9a\u3057\u305f\u4fe1\u53f7\u5b8c\u5168\u6027\u3092\u4e21\u7acb\u3057\u3066\u304a\u308a\u3001\u3053\u308c\u306f\u73fe\u4ee3\u306e\u5206\u6563\u578b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u306a\u8981\u4ef6\u3067\u3059\u3002<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u969b\u306e\u5c55\u958b\u89b3\u70b9\u304b\u3089\u898b\u308b\u3068\u3001Cisco Systems\u3084Arista Networks\u306a\u3069\u306e\u4e3b\u8981\u30d9\u30f3\u30c0\u30fc\u306f\u3001\u81ea\u793e\u306e40G\u88fd\u54c1\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3044\u3066ER4\u30af\u30e9\u30b9\u306e\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u5e83\u7bc4\u306b\u63a1\u7528\u30fb\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u540c\u6642\u306b\u3001<br> <a target=\"_self\" href=\"https:\/\/www.l-p.com\/page\/aboutus.htm\">LINK-PP<\/a> \u306a\u3069\u306e\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u4e92\u63db\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\u30e1\u30fc\u30ab\u30fc\u3082\u3001\u4e3b\u6d41\u306e\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3068\u306e\u4e92\u63db\u6027\u3092\u7dad\u6301\u3057\u3064\u3064\u3001\u5c55\u958b\u30b3\u30b9\u30c8\u524a\u6e1b\u3092\u652f\u63f4\u3059\u308b\u76f8\u4e92\u904b\u7528\u53ef\u80fd\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u30ac\u30a4\u30c9\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a8\u30f3\u30b8\u30cb\u30a2\u3001\u8abf\u9054\u30c1\u30fc\u30e0\u3001\u304a\u3088\u3073IT\u30a2\u30fc\u30ad\u30c6\u30af\u30c8\u304c\u300140GBASE-ER4\u3068\u306f\u4f55\u304b\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u30bf\u30c3\u30af\u306b\u304a\u3051\u308b\u4f4d\u7f6e\u4ed8\u3051\u306f\u3069\u306e\u3088\u3046\u3067\u3042\u308b\u304b\u3001\u305d\u3057\u3066\u5b89\u5b9a\u3057\u305f\u9577\u8ddd\u96e240G\u5c55\u958b\u306e\u305f\u3081\u306b\u9069\u5207\u306a\u4e92\u63db\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u9078\u629e\u3059\u308b\u65b9\u6cd5\u3092\u8fc5\u901f\u306b\u7406\u89e3\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u3067\u3059\u3002<br>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705 40GBASE-ER4\u3068\u306f\uff1f<br><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4\u306f\u3001\u5358\u4e00\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\uff08SMF\uff09\u4e0a\u3067\u306e\u9577\u8ddd\u96e2\u30c7\u30fc\u30bf\u4f1d\u9001\u3092\u76ee\u7684\u3068\u3057\u305f40\u30ae\u30ac\u30d3\u30c3\u30c8\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8<br> <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/472717.htm\">\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8MAC\u304a\u3088\u3073PHY\u306e\u89e3\u8aac\uff1a\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3068\u4e3b\u306a\u9055\u3044<\/a> \u898f\u683c\u3067\u3042\u308a\u3001\u901a\u5e38\u306f\u6700\u5927\u7d0440 km\u306e\u30ea\u30f3\u30af\u8ddd\u96e2\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7c21\u5358\u306b\u8a00\u3046\u3068\u3001\u3053\u308c\u306f\u30d7\u30e9\u30b0\u30a4\u30f3\u5f0f\u306e<br> <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/473105.htm\">\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u30e2\u30b8\u30e5\u30fc\u30eb<br><\/a> \u3067\u3042\u308a\u3001\u9ad8\u901f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u30a4\u30c3\u30c1\u304a\u3088\u3073\u30eb\u30fc\u30bf\u30fc\u306b\u642d\u8f09\u3055\u308c\u3001\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u5358\u4e00\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\uff08SMF\uff09\u3092\u7528\u3044\u30662\u3064\u306e\u9060\u9694\u5730\u9593\u306740G\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u4fe1\u53f7\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<br>.<\/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\/ff951fad2c904bb3945f446a905989e3.jpg\" alt=\"What Is 40GBASE-ER4?\" class=\"wp-image-2756\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ff951fad2c904bb3945f446a905989e3.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ff951fad2c904bb3945f446a905989e3-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ff951fad2c904bb3945f446a905989e3-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ff951fad2c904bb3945f446a905989e3-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ff951fad2c904bb3945f446a905989e3-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">QSFP+\u306e\u5b9a\u7fa9<br><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">QSFP+\uff08\u30af\u30ef\u30c3\u30c9\u30fb\u30b9\u30e2\u30fc\u30eb\u30fb\u30d5\u30a9\u30fc\u30e0\u30d5\u30a1\u30af\u30bf\u30fc\u30fb\u30d7\u30e9\u30b0\u30a2\u30d6\u30eb\u30fb\u30d7\u30e9\u30b9\uff09\u306f\u3001\u30b3\u30f3\u30d1\u30af\u30c8\u306a<br>, <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/473101.htm\">\u30db\u30c3\u30c8\u30b9\u30ef\u30c3\u30d7\u53ef\u80fd\u306a\u5149\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc<br><\/a> \u306e\u30d5\u30a9\u30fc\u30e0\u30d5\u30a1\u30af\u30bf\u30fc\u3067\u3042\u308a\u3001\u9ad8\u901f\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002.<br>It supports 4 independent data channels, each typically carrying 10G of traffic, combining to deliver a total of 40G throughput.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4\u306e\u5834\u5408\u3001QSFP+\u30e2\u30b8\u30e5\u30fc\u30eb\u306f4\u672c\u306e\u5225\u500b\u306e\u7269\u7406\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u4ee3\u308f\u308a\u306b\u30014\u3064\u306e\u6ce2\u9577\uff08WDM\u6280\u8853\uff09\u3092\u4f7f\u7528\u3057\u3001\u6a19\u6e96\u306e\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9SMF\u30ea\u30f3\u30af\u4e0a\u3067\u52b9\u7387\u7684\u306a\u9577\u8ddd\u96e2\u4f1d\u9001\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">40GBASE-ER4\u306e\u5e73\u6613\u306a\u89e3\u8aac<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3059\u3070\u3084\u304f\u7406\u89e3\u3059\u308b\u306b\u306f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>40GBASE<\/strong> \u2192 40\u30ae\u30d3\u30c3\u30c8\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u898f\u683c<\/p><\/li>\n\n\n\n<li><p><strong>ER<\/strong> \u2192 Extended Reach\uff08\u9577\u8ddd\u96e2\u4f1d\u9001\uff09<\/p><\/li>\n\n\n\n<li><p><strong>4<\/strong> \u2192 WDM\u6280\u8853\u3092\u7528\u3044\u305f4\u3064\u306e\u5149\u30ec\u30fc\u30f3<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3088\u3063\u3066\u300140GBASE-ER4\u3068\u306f\u672c\u8cea\u7684\u306b\u6b21\u3092\u610f\u5473\u3057\u307e\u3059\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\">A <a href=\"https:\/\/www.l-p.com\/products\/472719.htm\" target=\"_self\">40G\u5149\u30e2\u30b8\u30e5\u30fc\u30eb<\/a> \u3053\u308c\u306f\u3001\u5358\u4e00\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u30fc\u4e0a\u30674\u3064\u306e\u7d71\u5408\u5149\u4fe1\u53f7\u3092\u7528\u3044\u3066\u9577\u8ddd\u96e2\u306b\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3067\u304d\u307e\u3059\u3002.<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9f\u969b\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3051\u308b\u4f4d\u7f6e\u4ed8\u3051<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u969b\u306e\u5c55\u958b\u306b\u304a\u3044\u3066\u300140GBASE-ER4\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7528\u9014\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u9593\u63a5\u7d9a\uff08DCI\uff09<\/p><\/li>\n\n\n\n<li><p>\u90fd\u5e02\u570f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08\u30e1\u30c8\u30ed\u30a8\u30ea\u30a2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff09\u306e\u30ea\u30f3\u30af<\/p><\/li>\n\n\n\n<li><p>\u4f01\u696d\u5411\u3051\u9577\u8ddd\u96e2\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u63a5\u7d9a<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u306f\u3001\u30b7\u30b9\u30b3\u30b7\u30b9\u30c6\u30e0\u30ba\u3084\u30a2\u30ea\u30b9\u30bf\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306a\u3069\u306e\u30d9\u30f3\u30c0\u30fc\u304c\u63d0\u4f9b\u3059\u308b\u9ad8\u6027\u80fd\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u74b0\u5883\u3067\u3001\u5b89\u5b9a\u3057\u305f\u9577\u8ddd\u96e2\u5149\u63a5\u7d9a\u304c\u6c42\u3081\u3089\u308c\u308b\u5834\u5408\u306b\u901a\u5e38\u5c55\u958b\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705 40GBASE-ER4\u306e\u4ed5\u69d8\u304a\u3088\u3073\u5230\u9054\u8ddd\u96e2<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4\u306f\u3001<span class=\"highlight\">\u5358\u4e00\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u30fc\uff08SMF\uff09<\/span>\u4e0a\u3067\u306e\u9577\u8ddd\u96e240G\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u4f1d\u9001\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/single-mode-fiber-os1-vs-os2-comparison-indoor-outdoor-use\/\">\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0<\/a>, \u305d\u306e\u4ed5\u69d8\u306f\u3001\u30ea\u30f3\u30af\u8ddd\u96e2\u304a\u3088\u3073\u5149\u5b66\u7684\u4e88\u7b97\u304c\u6975\u3081\u3066\u91cd\u8981\u306a\u30e1\u30c8\u30ed\u304a\u3088\u3073\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u9593\u74b0\u5883\u306b\u304a\u3044\u3066\u3001\u5b89\u5b9a\u3057\u305f\u6027\u80fd\u3092\u767a\u63ee\u3059\u308b\u3088\u3046\u6700\u9069\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/eb618ef17eff43ef84a18f2b8f3a9d7c.jpg\" alt=\"40GBASE-ER4 Specifications and Reach\" class=\"wp-image-2757\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/eb618ef17eff43ef84a18f2b8f3a9d7c.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/eb618ef17eff43ef84a18f2b8f3a9d7c-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/eb618ef17eff43ef84a18f2b8f3a9d7c-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/eb618ef17eff43ef84a18f2b8f3a9d7c-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/eb618ef17eff43ef84a18f2b8f3a9d7c-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e3b\u306a\u4ed5\u69d8\u306e\u6982\u8981<\/h3>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 228px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"228\"><p>\u30ab\u30c6\u30b4\u30ea<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>LINK-PP LPJE101NNL<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"228\"><p>\u6a19\u6e96<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>40GBASE-ER4\uff0840\u30ae\u30d3\u30c3\u30c8\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\uff09<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"228\"><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=\"228\"><p>\u78c1\u6c17\u90e8\u54c1<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>40Gbps\uff084 \u00d7 10Gbps\u30ec\u30fc\u30f3\uff09<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"228\"><p>\u4f1d\u9001\u6280\u8853<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u6ce2\u9577\u5206\u5272\u591a\u91cd\u5316\uff08WDM\uff09<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"228\"><p>\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u30bf\u30a4\u30d7<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u5358\u4e00\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u30fc\uff08SMF\u3001\u63a8\u5968\uff1aG.652\uff09<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"228\"><p>\u30b3\u30cd\u30af\u30bf\u30bf\u30a4\u30d7<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/sfp-duplex-lc-connector-explained\/\">\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9LC<\/a><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"228\"><p>\u6ce2\u9577<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1310 nm\u5e2f\u57df\u5185\u306e4\u6ce2\u9577<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"228\"><p>\u6700\u5927\u5230\u9054\u8ddd\u96e2<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u6700\u592740 km<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"228\"><p>\u4ee3\u8868\u7684\u306a\u7528\u9014<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u9593\u63a5\u7d9a\u3001\u30e1\u30c8\u30ed\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u4f01\u696d\u5411\u3051\u30d0\u30c3\u30af\u30dc\u30fc\u30f3<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"228\"><p>\u30ea\u30f3\u30af\u7a2e\u5225<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30dd\u30a4\u30f3\u30c8\u30c4\u30fc\u30dd\u30a4\u30f3\u30c8\u5149\u30ea\u30f3\u30af<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"228\"><p>\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\uff0f\u30b7\u30f3\u30b0\u30eb\u30d7\u30ec\u30c3\u30af\u30b9<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\uff08\u9001\u4fe1\uff0f\u53d7\u4fe1\u30da\u30a2\uff09<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"228\"><p>\u4e92\u63db\u6027<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>QSFP+ 40G\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30dd\u30fc\u30c8\uff08\u30d9\u30f3\u30c0\u30fc\u4f9d\u5b58\uff1a\u4f8b\uff1a\u30b7\u30b9\u30b3\uff0f\u30a2\u30ea\u30b9\u30bf\u88fd\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\uff09<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u4ed5\u69d8\u306b\u3088\u308a\u300140GBASE-ER4\u306f\u3001\u4f01\u696d\u304a\u3088\u3073\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u5e83\u304f\u5c55\u958b\u3055\u308c\u3066\u3044\u308b\u4e2d\u3067\u3082\u3001\u6700\u3082\u9577\u8ddd\u96e2\u5bfe\u5fdc\u306e <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26153-40g-qsfp.htm\">40G QSFP+<\/a> \u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306e\u4e00\u3064\u3067\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u7a2e\u985e\uff1a\u306a\u305c\u5358\u4e00\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u30fc\u304c\u5fc5\u8981\u304b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4\u306f\u3001\u5358\u4e00\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\uff08SMF\uff09\u74b0\u5883\u5c02\u7528\u306b\u53b3\u5bc6\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30de\u30eb\u30c1\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\uff08MMF\uff09\u3068\u306f\u7570\u306a\u308a\u3001SMF\u306f\u30b3\u30a2\u5f84\u304c\u975e\u5e38\u306b\u5c0f\u3055\u304f\u3001\u30e2\u30fc\u30c9\u5206\u6563\u3092\u4f4e\u6e1b\u3057\u3001\u5149\u4fe1\u53f7\u3092\u6700\u5c0f\u9650\u306e\u640d\u5931\u3067\u5927\u5e45\u306b\u9577\u3044\u8ddd\u96e2\u307e\u3067\u4f1d\u9001\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a2d\u8a08\u306b\u3088\u308a\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\uff08<a href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/fiber-optic-cable-om3-vs-om4\/\" target=\"_blank\" rel=\"\">OM3\/OM4<\/a>)<\/p><\/li>\n\n\n\n<li><p>\u30af\u30ea\u30fc\u30f3\u3067\u4f4e\u640d\u5931\u306e\u5149\u30d1\u30b9\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002<\/p><\/li>\n\n\n\n<li><p>\u9577\u8ddd\u96e2\u69cb\u9020\u5316\u914d\u7dda\u307e\u305f\u306f\u901a\u4fe1\u4e8b\u696d\u8005\u30ec\u30d9\u30eb\u306e\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u30fc\u306b\u6700\u3082\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/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\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9LC\u30b3\u30cd\u30af\u30bf\u3092\u63a1\u7528\u3057\u3066\u304a\u308a\u3001\u3053\u308c\u306f\u9ad8\u5bc6\u5ea6\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u306b\u304a\u3051\u308b\u696d\u754c\u6a19\u6e96\u3067\u3059\u3002.<\/p>\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>\u9001\u4fe1\uff08Tx\uff09\u306b\u306f1\u672c\u306e\u30d5\u30a1\u30a4\u30d0\u30fc\u30b9\u30c8\u30e9\u30f3\u30c9\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p><\/li>\n\n\n\n<li><p>\u53d7\u4fe1\uff08Rx\uff09\u306b\u306f1\u672c\u306e\u30d5\u30a1\u30a4\u30d0\u30fc\u30b9\u30c8\u30e9\u30f3\u30c9\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5185\u90e8\u3067\u306fWDM\uff084\u6ce2\u9577\uff09\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u5916\u90e8\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u30b7\u30f3\u30d7\u30eb\u306a\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9LC\u63a5\u7d9a\u306e\u307e\u307e\u3067\u3042\u308a\u3001\u5c0e\u5165\u304a\u3088\u3073\u914d\u7dda\u8a2d\u8a08\u3092\u7c21\u7d20\u5316\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5230\u9054\u8ddd\u96e2\u304a\u3088\u3073\u5c55\u958b\u8ddd\u96e2<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4\u306e\u7279\u5fb4\u7684\u306a\u4ed5\u69d8\u306f\u3001\u305d\u306e\u62e1\u5f35\u3055\u308c\u305f\u5230\u9054\u8ddd\u96e2\u80fd\u529b\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\u6a19\u6e96\u5230\u9054\u8ddd\u96e2\uff1a<\/strong> SMF\u4e0a\u3067\u306e\u6700\u5927\u7d0440 km<\/p><\/li>\n\n\n\n<li><p><strong>\u5b9f\u969b\u306e\u5c55\u958b\u306b\u304a\u3051\u308b\u5178\u578b\u7684\u306a\u8ddd\u96e2\u7bc4\u56f2\uff1a<\/strong> 10 km\uff5e40 km\uff08\u30ea\u30f3\u30af\u4e88\u7b97\u304a\u3088\u3073\u6e1b\u8870\u91cf\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\uff09<\/p><\/li>\n\n\n\n<li><p><strong>\u6700\u9069\u5316\u5bfe\u8c61\uff1a<\/strong> \u9577\u8ddd\u96e2\u30dd\u30a4\u30f3\u30c8\u30fb\u30c4\u30fc\u30fb\u30dd\u30a4\u30f3\u30c8\u30fb\u30ea\u30f3\u30af<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b7\u30b9\u30b3\u30b7\u30b9\u30c6\u30e0\u30ba\u3084\u30a2\u30ea\u30b9\u30bf\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306a\u3069\u306e\u4e3b\u8981\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u6a5f\u5668\u30e1\u30fc\u30ab\u30fc\u306e\u30d9\u30f3\u30c0\u30fc\u8cc7\u6599\u3067\u306f\u3001ER4\u3092\u4e00\u8cab\u3057\u306640 km\u30af\u30e9\u30b9\u306e\u5149\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u3068\u3057\u3066\u5206\u985e\u3057\u3066\u304a\u308a\u3001\u30e1\u30c8\u30ed\u63a5\u7d9a\u304a\u3088\u3073\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u9593\u63a5\u7d9a\uff08DCI\uff09\u30b7\u30ca\u30ea\u30aa\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9f\u969b\u306e\u5c55\u958b\u306b\u304a\u3051\u308b\u691c\u8a0e\u4e8b\u9805<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ER4\u306f\u9577\u8ddd\u96e2\u5bfe\u5fdc\u3068\u3057\u3066\u8a55\u4fa1\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u5b9f\u969b\u306e\u6027\u80fd\u306f\u4ee5\u4e0b\u306e\u8981\u56e0\u306b\u4f9d\u5b58\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u5168\u5149\u640d\u5931\uff08\u30d5\u30a1\u30a4\u30d0\u30fc\u6e1b\u8870\uff0b\u30b3\u30cd\u30af\u30bf\uff0b\u30b9\u30d7\u30e9\u30a4\u30b9\uff09<\/p><\/li>\n\n\n\n<li><p>\u5358\u4e00\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u54c1\u8cea\uff08G.652\u898f\u683c vs. \u53e4\u3044\u8a2d\u7f6e\u74b0\u5883\uff09<\/p><\/li>\n\n\n\n<li><p>\u5149\u5897\u5e45\u5668\u306e\u6709\u7121\uff08\u5ef6\u9577\u30ea\u30f3\u30af\u3067\u5fc5\u8981\u3068\u306a\u308b\u5834\u5408\uff09<\/p><\/li>\n\n\n\n<li><p>\u30b9\u30a4\u30c3\u30c1\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3068\u306e\u4e92\u63db\u6027\u304a\u3088\u3073\u5149\u51fa\u529b\u4e88\u7b97<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5de5\u5b66\u7684\u306b\u8a2d\u8a08\u3055\u308c\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3001ER4\u306f\u30b5\u30a4\u30c8\u9593\u3067\u76f4\u63a5\u30d5\u30a1\u30a4\u30d0\u30fc\u7d4c\u8def\u304c\u78ba\u4fdd\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306b\u591a\u304f\u4f7f\u7528\u3055\u308c\u3001\u4e2d\u9593\u518d\u751f\u88c5\u7f6e\u3092\u5fc5\u8981\u3068\u3057\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705 40GBASE-ER4\u304c\u4f7f\u7528\u3055\u308c\u308b\u5834\u6240<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/473106.htm\">40G-ER4<\/a> \u4e00\u822c\u7528\u9014\u306e\u77ed\u8ddd\u96e2\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u7528\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u306f\u3001\u5149\u30d5\u30a1\u30a4\u30d0\u30ea\u30f3\u30af\u304cSR4\u3084LR4\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u901a\u5e38\u306e\u4f1d\u9001\u8ddd\u96e2\u3092\u5927\u5e45\u306b\u8d85\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u3001\u9577\u8ddd\u96e2\u30fb\u9ad8\u5e2f\u57df\u5e45\u306e40G\u63a5\u7d9a\u306b\u7279\u5316\u3057\u3066\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5358\u4e00\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u4e0a\u3067\u6700\u592740 km\u306e\u4f1d\u9001\u3092\u30b5\u30dd\u30fc\u30c8\u3067\u304d\u308b\u305f\u3081\u3001\u30ad\u30e3\u30ea\u30a2\u30b0\u30ec\u30fc\u30c9\u304a\u3088\u3073\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u5411\u3051\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u74b0\u5883\u3067\u5e83\u304f\u63a1\u7528\u3055\u308c\u3066\u3044\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\/3c1d194d4f354954a80c08b0477acf1a.jpg\" alt=\" Where 40GBASE-ER4 Is Used\" class=\"wp-image-2758\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3c1d194d4f354954a80c08b0477acf1a.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3c1d194d4f354954a80c08b0477acf1a-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3c1d194d4f354954a80c08b0477acf1a-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3c1d194d4f354954a80c08b0477acf1a-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3c1d194d4f354954a80c08b0477acf1a-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u9593\u63a5\u7d9a\uff08DCI\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4\u306e\u6700\u3082\u4e00\u822c\u7684\u306a\u4f7f\u7528\u4f8b\u306e\u4e00\u3064\u306f <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/data-center-interconnect-definition-benefits-and-role-of-optical-modules\/\">\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u9593\u63a5\u7d9a<\/a> \uff08DCI\uff09\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3046\u3057\u305f\u30b7\u30ca\u30ea\u30aa\u3067\u306f\u3001\u7d44\u7e54\u304c\u7570\u306a\u308b\u5efa\u7269\u3001\u30ad\u30e3\u30f3\u30d1\u30b9\u3001\u3042\u308b\u3044\u306f\u90fd\u5e02\u306b\u4f4d\u7f6e\u3059\u308b2\u3064\u306e\u5225\u500b\u306e\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u3092\u76f8\u4e92\u63a5\u7d9a\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u822c\u7684\u306a\u8981\u4ef6\u306b\u306f\u4ee5\u4e0b\u304c\u542b\u307e\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u9ad8\u5e2f\u57df\u5e45\uff0840G\u306e\u96c6\u7d04\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\uff09<\/p><\/li>\n\n\n\n<li><p>\u5b89\u5b9a\u3057\u305f\u9577\u8ddd\u96e2\u4f1d\u9001<\/p><\/li>\n\n\n\n<li><p>\u4f4e\u30ec\u30a4\u30c6\u30f3\u30b7 <a href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/point-to-point-network-architecture-guide\/\" target=\"_blank\" rel=\"\">\u30dd\u30a4\u30f3\u30c8\u30fb\u30c4\u30fc\u30fb\u30dd\u30a4\u30f3\u30c8<\/a> \u30ea\u30f3\u30af<\/p><\/li>\n\n\n\n<li><p>\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u5358\u4e00\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u57fa\u76e4<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4\u306f\u3001\u4e2d\u9593\u306e\u4fe1\u53f7\u518d\u751f\u88c5\u7f6e\u3092\u5fc5\u8981\u3068\u305b\u305a\u306b\u9577\u8ddd\u96e2\u4f1d\u9001\u304c\u53ef\u80fd\u306a\u305f\u3081\u3001\u76f4\u63a5\u7684\u306a\u30b5\u30a4\u30c8\u9593\u63a5\u7d9a\u306b\u304a\u3044\u3066\u30b3\u30b9\u30c8\u52b9\u7387\u304c\u9ad8\u304f\u3001\u3053\u306e\u3088\u3046\u306a\u7528\u9014\u306b\u6700\u9069\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u306f\u3001\u7279\u306bCisco Systems\u3084Arista Networks\u306a\u3069\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b\u5927\u898f\u6a21\u5c55\u958b\u3067\u3088\u304f\u898b\u3089\u308c\u307e\u3059\u3002 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/472717.htm\">\u30b7\u30b9\u30b3\u30b7\u30b9\u30c6\u30e0\u30ba\uff08Cisco Systems\uff09<\/a> \u304a\u3088\u3073 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/472719.htm\">\u30a2\u30ea\u30b9\u30bf\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\uff08Arista Networks\uff09<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30ad\u30e3\u30f3\u30d1\u30b9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u30ea\u30f3\u30af<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3082\u3046\u4e00\u3064\u91cd\u8981\u306a\u5c55\u958b\u30b7\u30ca\u30ea\u30aa\u306f\u3001\u5927\u898f\u6a21\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u5411\u3051\u30ad\u30e3\u30f3\u30d1\u30b9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5927\u5b66\u3001\u653f\u5e9c\u65bd\u8a2d\u3001\u75c5\u9662\u3001\u4f01\u696d\u306e\u30ad\u30e3\u30f3\u30d1\u30b9\u3067\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ce\u30fc\u30c9\u304c\u6570\u767e\u30e1\u30fc\u30c8\u30eb\u304b\u3089\u6570\u30ad\u30ed\u30e1\u30fc\u30c8\u30eb\u96e2\u308c\u305f\u8907\u6570\u306e\u5efa\u7269\u306b\u5206\u6563\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7528\u9014\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30b3\u30a2\u30b9\u30a4\u30c3\u30c1\u9593\u306e\u76f8\u4e92\u63a5\u7d9a<\/p><\/li>\n\n\n\n<li><p>\u5efa\u7269\u9593\u5149\u30d5\u30a1\u30a4\u30d0\u30d0\u30c3\u30af\u30dc\u30fc\u30f3<\/p><\/li>\n\n\n\n<li><p>\u30a2\u30b0\u30ea\u30b2\u30fc\u30b7\u30e7\u30f3\u5c64\u306e\u30a2\u30c3\u30d7\u30ea\u30f3\u30af<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u306e\u9577\u8ddd\u96e2\u4f1d\u9001\u80fd\u529b\u306b\u3088\u308a\u3001\u6a19\u6e96\u7684\u306a\u30de\u30eb\u30c1\u30e2\u30fc\u30c9\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u306f\u5fc5\u8981\u306a\u8ddd\u96e2\u3092\u78ba\u5b9f\u306b\u30ab\u30d0\u30fc\u3067\u304d\u306a\u3044\u30ad\u30e3\u30f3\u30d1\u30b9\u74b0\u5883\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u90fd\u5e02\u570f\u304a\u3088\u3073\u5730\u57df\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4\u306f\u3001\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u304a\u3088\u3073\u5927\u898f\u6a21\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u304c\u90fd\u5e02\u307e\u305f\u306f\u5730\u57df\u30ec\u30d9\u30eb\u3067\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3092\u63a5\u7d9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3001\u30e1\u30c8\u30ed\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u304a\u3088\u3073\u5730\u57df\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u3082\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5178\u578b\u7684\u306a\u5fdc\u7528\u4f8b\u306b\u306f\u4ee5\u4e0b\u304c\u542b\u307e\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30e1\u30c8\u30ed\u96c6\u7d04\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<br><\/p><\/li>\n\n\n\n<li><p>\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u306e\u30a8\u30c3\u30b8\u63a5\u7d9a<\/p><\/li>\n\n\n\n<li><p>\u9577\u8ddd\u96e2\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba <a href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/what-is-a-wide-area-network\/\" target=\"_blank\" rel=\"\">\u30a6\u30a7\u30a4\u30c9\u30a8\u30ea\u30a2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/a> \u62e1\u5f35<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u306fSMF\u4e0a\u3067\u306e\u9577\u8ddd\u96e2\u4f1d\u9001\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u305f\u3081\u3001ER4\u306f\u4e2d\u9593\u30ce\u30fc\u30c9\u306b\u304a\u3051\u308b\u9ad8\u4fa1\u306a\u5149\u518d\u751f\u88c5\u7f6e\u306e\u5fc5\u8981\u6027\u3092\u4f4e\u6e1b\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30baWAN\u304a\u3088\u3073\u30c7\u30a3\u30b6\u30b9\u30bf\u30ea\u30ab\u30d0\u30ea\u30ea\u30f3\u30af<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u591a\u304f\u306e\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u3067\u306f\u3001\u5730\u7406\u7684\u306b\u96e2\u308c\u305f\u30b5\u30a4\u30c8\u9593\u306e\u30c7\u30a3\u30b6\u30b9\u30bf\u30ea\u30ab\u30d0\u30ea\uff08DR\uff09\u304a\u3088\u3073\u4e8b\u696d\u7d99\u7d9a\u6027\u78ba\u4fdd\u306e\u305f\u3081\u306e\u30ea\u30f3\u30af\u3068\u3057\u306640GBASE-ER4\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u30ea\u30f3\u30af\u306f\u4ee5\u4e0b\u306e\u7528\u9014\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30d7\u30e9\u30a4\u30de\u30ea\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u3068\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u9593\u3067\u306e\u91cd\u8981\u30c7\u30fc\u30bf\u306e\u8907\u88fd<\/p><\/li>\n\n\n\n<li><p>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u307e\u305f\u306f\u30cb\u30a2\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u306e\u540c\u671f\u7dad\u6301<\/p><\/li>\n\n\n\n<li><p>\u6545\u969c\u767a\u751f\u6642\u306e\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u5bfe\u5fdc\u6e96\u5099\u306e\u78ba\u4fdd<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">ER4\u306e\u5b89\u5b9a\u6027\u3068\u9577\u8ddd\u96e2\u4f1d\u9001\u80fd\u529b\u306f\u3001\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u304c\u8a31\u5bb9\u3055\u308c\u306a\u3044\u30df\u30c3\u30b7\u30e7\u30f3\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ER4\u3092\u9078\u629e\u3059\u3079\u304d\u5834\u5408<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4\u306f\u3001\u4ee5\u4e0b\u306e\u6761\u4ef6\u306b\u8a72\u5f53\u3059\u308b\u5834\u5408\u306b\u63a8\u5968\u3055\u308c\u308b\u9078\u629e\u80a2\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u8ddd\u96e2\u304c\u6a19\u6e96\u7684\u306aLR4\u306e\u5236\u9650\u3092\u8d85\u3048\u308b\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\u304c\u65e2\u306b\u69cb\u7bc9\u6e08\u307f\u306e\u5834\u5408<\/p><\/li>\n\n\n\n<li><p>\u76f4\u63a5\u306e\u30dd\u30a4\u30f3\u30c8\u30c4\u30fc\u30dd\u30a4\u30f3\u30c8\u5149\u30ea\u30f3\u30af\u304c\u5fc5\u8981\u306a\u5834\u5408<\/p><\/li>\n\n\n\n<li><p>\u9577\u8ddd\u96e2\u306b\u308f\u305f\u308b\u9ad8\u3044\u4fe1\u983c\u6027\u304c\u4e0d\u53ef\u6b20\u306a\u5834\u5408<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8981\u3059\u308b\u306b\u3001\u3053\u308c\u306f\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u30b0\u30ec\u30fc\u30c9\u306e\u63a5\u7d9a\u5411\u3051\u306b\u7279\u5316\u3057\u305f\u9577\u8ddd\u96e240G\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u3042\u308a\u3001\u6c4e\u7528\u306e\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u63a5\u7d9a\u7528\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705 40GBASE-ER4\u4e92\u63db\u6027\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><code>QSFP+ ER4<\/code>\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u5c0e\u5165\u524d\u306b\u3001\u4e92\u63db\u6027\u306e\u78ba\u8a8d\u306f\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/472810.htm\">QSFP+ ER4<\/a> \u77ed\u8ddd\u96e2\u7528\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u306f\u7570\u306a\u308a\u3001ER4\u306f\u9577\u8ddd\u96e2\u4f1d\u9001\u304a\u3088\u3073\u3088\u308a\u9ad8\u3044\u5149\u30d1\u30ef\u30fc\u4e88\u7b97\u3067\u52d5\u4f5c\u3059\u308b\u305f\u3081\u3001\u8aa4\u3063\u305f\u5c0e\u5165\u306f\u30ea\u30f3\u30af\u306e\u4e0d\u5b89\u5b9a\u5316\u3001\u53d7\u4fe1\u5668\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3001\u3042\u308b\u3044\u306f\u30b9\u30a4\u30c3\u30c1\u30dd\u30fc\u30c8\u3068\u306e\u5b8c\u5168\u306a\u4e0d\u9069\u5408\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30b9\u30a4\u30c3\u30c1\u5bfe\u5fdc\u72b6\u6cc1\u3001\u30d9\u30f3\u30c0\u30fc\u5236\u9650\u3001, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/glossary\/ddm-dom-in-optical-transceivers\/\">\ud83d\udfe0 SFP\u30ea\u30f3\u30af\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/a> \u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3001\u6e1b\u8870\u8981\u4ef6\u3001\u304a\u3088\u3073\u30d5\u30a1\u30a4\u30d0\u30fc\u30a4\u30f3\u30d5\u30e9\u306e\u6e96\u5099\u72b6\u6cc1\u306b\u3064\u3044\u3066\u306e\u5b9f\u7528\u7684\u306a\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\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\/7a1786b5cef94af3a8dc06bfb4d3e0e6.jpg\" alt=\"40GBASE-ER4 Compatibility Checklist\" class=\"wp-image-2759\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7a1786b5cef94af3a8dc06bfb4d3e0e6.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7a1786b5cef94af3a8dc06bfb4d3e0e6-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7a1786b5cef94af3a8dc06bfb4d3e0e6-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7a1786b5cef94af3a8dc06bfb4d3e0e6-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7a1786b5cef94af3a8dc06bfb4d3e0e6-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c6 \u30b9\u30a4\u30c3\u30c1\u304a\u3088\u3073\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u5bfe\u5fdc<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u521d\u304b\u3064\u6700\u3082\u91cd\u8981\u306a\u30b9\u30c6\u30c3\u30d7\u306f\u3001\u3054\u4f7f\u7528\u306e\u30b9\u30a4\u30c3\u30c1\u304c40G QSFP+ <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/473107.htm\">ER4\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3b\u306a\u691c\u8a0e\u4e8b\u9805\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>QSFP+ 40G\u30dd\u30fc\u30c8\u306e\u53ef\u7528\u6027\uff08QSFP28\u5c02\u7528\u30dd\u30fc\u30c8\u3067\u306f\u306a\u3044\u3053\u3068\uff09<\/p><\/li>\n\n\n\n<li><p>\u30d9\u30f3\u30c0\u30fc\u56fa\u6709\u306e\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u4e92\u63db\u6027\u30ea\u30b9\u30c8<\/p><\/li>\n\n\n\n<li><p>ER4\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u5bfe\u3059\u308b\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u5bfe\u5fdc<\/p><\/li>\n\n\n\n<li><p>\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e\u4ed5\u69d8\u66f8\u306b\u304a\u3051\u308b40GBASE-ER4\u306e\u660e\u793a\u7684\u306a\u5bfe\u5fdc\u8a18\u8f09<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b7\u30b9\u30b3\u30b7\u30b9\u30c6\u30e0\u30ba\uff08Cisco Systems\uff09\u3084\u30a2\u30ea\u30b9\u30bf\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\uff08Arista Networks\uff09\u306a\u3069\u306e\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30b0\u30ec\u30fc\u30c9\u306e\u30d9\u30f3\u30c0\u30fc\u306f\u3001\u53b3\u683c\u306a\u5149\u4e92\u63db\u6027\u30de\u30c8\u30ea\u30af\u30b9\u3092\u7dad\u6301\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u3059\u3079\u3066\u306eQSFP+\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u81ea\u52d5\u7684\u306b\u627f\u8a8d\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c6 \u30d9\u30f3\u30c0\u30fc\u30ed\u30c3\u30af\u304a\u3088\u3073\u4e92\u63db\u6027\u5236\u9650<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u3082\u4e00\u822c\u7684\u306a\u5c55\u958b\u8ab2\u984c\u306e1\u3064\u306f\u3001\u30d9\u30f3\u30c0\u30fc\u30ed\u30c3\u30af\u30a4\u30f3\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e92\u63db\u6027\u306b\u95a2\u3059\u308b\u5178\u578b\u7684\u306a\u30b7\u30ca\u30ea\u30aa\u306f\u4ee5\u4e0b\u306e3\u3064\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\u5b8c\u5168\u306b\u30aa\u30fc\u30d7\u30f3\u306a\u30dd\u30fc\u30c8\uff1a<\/strong> \u307b\u3068\u3093\u3069\u306eMSA\u6e96\u62e0QSFP+\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u53d7\u5bb9<\/p><\/li>\n\n\n\n<li><p><strong>\u90e8\u5206\u7684\u306b\u5236\u9650\u3055\u308c\u305f\u30dd\u30fc\u30c8\uff1a<\/strong> \u30b3\u30fc\u30c9\u5316\u307e\u305f\u306f\u691c\u8a3c\u6e08\u307f\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u5fc5\u8981\u3068\u3059\u308b<\/p><\/li>\n\n\n\n<li><p><strong>\u5b8c\u5168\u306b\u30ed\u30c3\u30af\u3055\u308c\u305f\u30b7\u30b9\u30c6\u30e0\uff1a<\/strong> OEM\u30d6\u30e9\u30f3\u30c9\u306e\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u306e\u307f\u3092\u53d7\u5bb9<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u70b9\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u4e0d\u53ef\u6b20\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>OEM\u4e92\u63db\u6027\uff08\u30b7\u30b9\u30b3\uff0f\u30a2\u30ea\u30b9\u30bf\uff0f <a href=\"https:\/\/www.l-p.com\/products\/472718.htm\" target=\"_blank\" rel=\"\">\u30b8\u30e5\u30cb\u30d1\u30fc<\/a>, \u306a\u3069\uff09<\/p><\/li>\n\n\n\n<li><p>\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u5bfe\u5fdc\uff08\u30b3\u30fc\u30c9\u5316\u307e\u305f\u306f\u6c4e\u7528MSA\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\uff09<\/p><\/li>\n\n\n\n<li><p>\u975eOEM\u30e2\u30b8\u30e5\u30fc\u30eb\u4f7f\u7528\u6642\u306e\u4fdd\u8a3c\u3078\u306e\u5f71\u97ff<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c6 DOM\uff08\u30c7\u30b8\u30bf\u30eb\u5149\u76e3\u8996\uff09\u5bfe\u5fdc<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u73fe\u4ee3\u306e40GBASE-ER4\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u901a\u5e38\u3001DOM\uff08\u30c7\u30b8\u30bf\u30eb\u5149\u76e3\u8996\uff09\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304a\u308a\u3001\u4ee5\u4e0b\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u8ffd\u8de1\u53ef\u80fd\u306b\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u9001\u4fe1\u5149\u51fa\u529b\uff08Tx\uff09<\/p><\/li>\n\n\n\n<li><p>\u53d7\u4fe1\u5149\u51fa\u529b\uff08Rx\uff09<\/p><\/li>\n\n\n\n<li><p>\u6e29\u5ea6<\/p><\/li>\n\n\n\n<li><p>\u96fb\u5727<\/p><\/li>\n\n\n\n<li><p>\u30ec\u30fc\u30b6\u30fc\u30d0\u30a4\u30a2\u30b9\u96fb\u6d41<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">DOM\u306fER4\u306b\u304a\u3044\u3066\u7279\u306b\u91cd\u8981\u3067\u3042\u308b\u7406\u7531\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u51fa\u529b\u904e\u5927\u307e\u305f\u306f\u51fa\u529b\u4e0d\u8db3\u306e\u72b6\u614b\u3092\u691c\u51fa\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059<\/p><\/li>\n\n\n\n<li><p>\u9577\u8ddd\u96e2\u4f1d\u9001\u306b\u304a\u3051\u308b\u4fe1\u53f7\u306e\u5b89\u5b9a\u6027\u3092\u78ba\u4fdd\u3057\u307e\u3059<\/p><\/li>\n\n\n\n<li><p>\u30e1\u30c8\u30ed\u304a\u3088\u3073DCI\u74b0\u5883\u306b\u304a\u3051\u308b\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u7c21\u7d20\u5316\u3057\u307e\u3059<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">DOM\u306b\u3088\u308b\u53ef\u8996\u5316\u304c\u306a\u3051\u308c\u3070\u3001\u9577\u8ddd\u96e2\u5149\u4f1d\u9001\u306e\u554f\u984c\u8a3a\u65ad\u306f\u8457\u3057\u304f\u56f0\u96e3\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c6 \u5149\u6e1b\u8870\u8981\u4ef6\uff08ER4\u3067\u306f\u6975\u3081\u3066\u91cd\u8981\uff09<\/h3>\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-ER4\u306f\u975e\u5e38\u306b\u9ad8\u3044\u9001\u4fe1\u51fa\u529b\u3092\u6709\u3057\u3066\u304a\u308a\u3001\u77ed\u8ddd\u96e2\u30ea\u30f3\u30af\u3067\u306f\u53d7\u4fe1\u6a5f\u3092\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a2\u30ea\u30b9\u30bf\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u793e\u306e\u30d9\u30f3\u30c0\u30fc\u30c9\u30ad\u30e5\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u3067\u53c2\u7167\u3055\u308c\u3066\u3044\u308b\u5c55\u958b\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u3088\u308b\u3068\u3001\u5149 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/attenuation-in-optical-transceiver-management-and-solutions\/\">\u6e1b\u8870<\/a> \u306f\u77ed\u8ddd\u96e2\u30b7\u30ca\u30ea\u30aa\u306b\u304a\u3044\u3066\u53d7\u4fe1\u6a5f\u306e\u98fd\u548c\u3092\u9632\u3050\u305f\u3081\u306b\u5fc5\u9808\u3067\u3059\u3002.<\/p>\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>ER4\u306f\u3001\u6e1b\u8870\u306a\u3057\u3067\u306f\u77ed\u8ddd\u96e2\u30ea\u30f3\u30af\uff08\u4f8b\uff1a\uff1c2 km\uff09\u306b\u306f\u4e0d\u9069\u5207\u3067\u3059<\/p><\/li>\n\n\n\n<li><p>\u30a4\u30f3\u30e9\u30a4\u30f3\u5149\u6e1b\u8870\u5668\u304c\u5fc5\u8981\u3068\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059<\/p><\/li>\n\n\n\n<li><p>\u5c55\u958b\u524d\u306b\u9069\u5207\u306a\u30ea\u30f3\u30af\u4e88\u7b97\u8a08\u7b97\u3092\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6e1b\u8870\u3092\u9069\u7528\u3057\u306a\u3044\u5834\u5408\u306e\u7d50\u679c\u3068\u3057\u3066\u4ee5\u4e0b\u304c\u751f\u3058\u5f97\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u53d7\u4fe1\u6a5f\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9<\/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>\u4e0d\u5b89\u5b9a\u307e\u305f\u306f\u30d5\u30ea\u30c3\u30d4\u30f3\u30b0\u3059\u308b\u30ea\u30f3\u30af<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c6 \u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u8a2d\u5099\u306e\u8981\u4ef6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4\u306f\u9ad8\u54c1\u8cea\u306a\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u57fa\u76e4\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u6e96\u5099\u72b6\u6cc1\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u7a2e\u5225\uff1aITU-T G.652\u4ee5\u4e0a<\/p><\/li>\n\n\n\n<li><p>\u30af\u30ea\u30fc\u30f3\u306a\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9LC\u30b3\u30cd\u30af\u30bf\uff08\u4f4e <a href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/optical-transceiver-insertion-loss-definition-impact\/\" target=\"_blank\" rel=\"\">\u5165\u529b\u640d\u5931<\/a>)<\/p><\/li>\n\n\n\n<li><p>\u9069\u5207\u306a\u30b9\u30d7\u30e9\u30a4\u30b9\u54c1\u8cea\uff08\u53cd\u5c04\u640d\u5931\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\uff09<\/p><\/li>\n\n\n\n<li><p>\u7aef\u304b\u3089\u7aef\u307e\u3067\u306e\u30ea\u30f3\u30af\u4e88\u7b97\u304c\u691c\u8a3c\u6e08\u307f<\/p><\/li>\n\n\n\n<li><p>\u30de\u30eb\u30c1\u30e2\u30fc\u30c9\u533a\u9593\u304c\u6df7\u5728\u3057\u3066\u3044\u306a\u3044\uff08ER4\u306fMMF\u975e\u5bfe\u5fdc\uff09<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3055\u3089\u306b\u3001\u5149\u30d5\u30a1\u30a4\u30d0\u306e\u7d4c\u5e74\u52a3\u5316\u3001\u66f2\u3052\u640d\u5931\u3001\u30b3\u30cd\u30af\u30bf\u306e\u6c5a\u67d3\u306f\u3001\u9577\u8ddd\u96e2\u4f1d\u9001\u6027\u80fd\u306b\u8457\u3057\u304f\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c0e\u5165\u524d\u306b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u2714 \u30b9\u30a4\u30c3\u30c1\u304cQSFP+ ER4\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b<\/p><\/li>\n\n\n\n<li><p>\u2714 \u30d9\u30f3\u30c0\u30fc\u4e92\u63db\u6027\uff08OEM\u307e\u305f\u306fMSA\u30b3\u30fc\u30c9\u4ed8\u304d\uff09\u304c\u691c\u8a3c\u6e08\u307f<\/p><\/li>\n\n\n\n<li><p>\u2714 DOM\uff08Digital Optical Monitoring\uff09\u76e3\u8996\u6a5f\u80fd\u304c\u5229\u7528\u53ef\u80fd<\/p><\/li>\n\n\n\n<li><p>\u2714 \u77ed\u8ddd\u96e2\u30ea\u30f3\u30af\u306b\u306f\u5149\u6e1b\u8870\u5668\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b<\/p><\/li>\n\n\n\n<li><p>\u2714 \u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u8a2d\u5099\u304c\u6e05\u6383\u3055\u308c\u3001\u9069\u5207\u306b\u8a8d\u8a3c\u6e08\u307f<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705 40GBASE-ER4 \u5bfe LR4 \u5bfe SR4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9078\u5b9a\u3059\u308b\u969b\u306e <strong>40G QSFP+\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb<\/strong>, \u3001\u6700\u3082\u4e00\u822c\u7684\u306a\u9078\u629e\u80a2\u306e1\u3064\u306f <strong>SR4\u3001LR4\u3001ER4\u306e\u9078\u629e<\/strong>. \u3067\u3059\u3002\u3053\u308c\u30893\u7a2e\u985e\u306f\u3044\u305a\u308c\u308240\u30ae\u30ac\u30d3\u30c3\u30c8\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u304c\u3001\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u4f1d\u9001\u8ddd\u96e2\u3001\u30d5\u30a1\u30a4\u30d0\u7a2e\u5225\u3001\u5c55\u958b\u74b0\u5883\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u4e92\u63db\u6027\u554f\u984c\u3092\u56de\u907f\u3057\u3001\u30b3\u30b9\u30c8\u52b9\u7387\u306e\u826f\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u8a08\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\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\/21fef26d94be4b86b0e1767423b83e05.jpg\" alt=\"40GBASE-ER4 vs. LR4 vs. SR4\" class=\"wp-image-2760\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/21fef26d94be4b86b0e1767423b83e05.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/21fef26d94be4b86b0e1767423b83e05-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/21fef26d94be4b86b0e1767423b83e05-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/21fef26d94be4b86b0e1767423b83e05-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/21fef26d94be4b86b0e1767423b83e05-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u901f\u3084\u304b\u306a\u6bd4\u8f03\u6982\u8981<\/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>\u6a19\u6e96<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u30bf\u30a4\u30d7<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u901a\u5e38\u306e\u5230\u9054\u8ddd\u96e2<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u7528\u9014\u4f8b<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/482749.htm\"><strong>40GBASE-SR4<\/strong><\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30de\u30eb\u30c1\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\uff08OM3\/OM4\uff09<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u7d04100m\uff5e150m<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u77ed\u8ddd\u96e2\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u63a5\u7d9a<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/482487.htm\"><strong>40GBASE-LR4<\/strong><\/a><\/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>\u7d0410 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u30ad\u30e3\u30f3\u30d1\u30b9\u304a\u3088\u3073\u30e1\u30c8\u30ed\u63a5\u7d9a<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/473095.htm\"><strong>40GBASE-ER4<br><\/strong><\/a><\/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>\u6700\u5927\u7d0440 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u9577\u8ddd\u96e2DCI\u304a\u3088\u3073\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">40GBASE-SR4\uff1a\u77ed\u8ddd\u96e2\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u7528\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SR4\uff08Short Reach\uff09\u306f\u3001\u30b9\u30a4\u30c3\u30c1\u540c\u58eb\u304c\u8fd1\u63a5\u3057\u3066\u914d\u7f6e\u3055\u308c\u308b\u9ad8\u5bc6\u5ea6\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u74b0\u5883\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3b\u306a\u7279\u5fb4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30de\u30eb\u30c1\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\uff08OM3\/OM4\uff09\u3092\u4f7f\u7528<\/p><\/li>\n\n\n\n<li><p>\u30ea\u30f3\u30af\u3042\u305f\u308a\u306e\u30b3\u30b9\u30c8\u304c\u975e\u5e38\u306b\u4f4e\u3044<\/p><\/li>\n\n\n\n<li><p>\u77ed\u8ddd\u96e2\uff08\u7d04100\uff5e150\u30e1\u30fc\u30c8\u30eb\uff09<\/p><\/li>\n\n\n\n<li><p>\u30d1\u30e9\u30ec\u30eb\u5149\u5b66\u6280\u8853\u3092\u63a1\u7528\uff08\u901a\u5e38MPO\/MTP\u30b3\u30cd\u30af\u30bf\uff09<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u9069\u306a\u7528\u9014\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30e9\u30c3\u30af\u9593\u63a5\u7d9a<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/what-is-a-tor-top-of-rack-switch\/\" target=\"_blank\" rel=\"\">\u30e9\u30c3\u30af\u30c8\u30c3\u30d7<\/a> \u30c8\u30fc\u30e9\u30c3\u30af\uff08ToR\uff09\u30b9\u30a4\u30c3\u30c1\u304b\u3089\u30b9\u30d1\u30a4\u30f3\u30b9\u30a4\u30c3\u30c1\u3078\u306e\u63a5\u7d9a<\/p><\/li>\n\n\n\n<li><p>\u9ad8\u5bc6\u5ea6\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u3067\u306e\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5236\u9650\u4e8b\u9805\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u9577\u8ddd\u96e2\u4f1d\u9001\u3084\u30ad\u30e3\u30f3\u30d1\u30b9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u306f\u4e0d\u9069<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">40GBASE-LR4\uff1a\u4e2d\u8ddd\u96e2\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>LR4\uff08Long Reach\uff09<\/strong> \u306f\u3001\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u304a\u3088\u3073\u30e1\u30c8\u30ed\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u6700\u3082\u5e83\u304f\u4f7f\u308f\u308c\u308b40G\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3b\u306a\u7279\u5fb4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\uff08SMF\uff09\u3092\u4f7f\u7528<\/p><\/li>\n\n\n\n<li><p>\u6700\u592710 km\u306e\u4f1d\u9001\u8ddd\u96e2<\/p><\/li>\n\n\n\n<li><p>\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9LC\u30b3\u30cd\u30af\u30bf\u4e0a\u3067WDM\u6280\u8853\u3092\u63a1\u7528<\/p><\/li>\n\n\n\n<li><p>\u30b3\u30b9\u30c8\u3068\u6027\u80fd\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u53d6\u308c\u3066\u3044\u308b<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u9069\u306a\u7528\u9014\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30ad\u30e3\u30f3\u30d1\u30b9\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u30ea\u30f3\u30af<\/p><\/li>\n\n\n\n<li><p>\u77ed\u8ddd\u96e2\u30e1\u30c8\u30ed\u63a5\u7d9a<\/p><\/li>\n\n\n\n<li><p>\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u5185\u5efa\u7269\u9593\u63a5\u7d9a<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">LR4\u306f\u3001\u8ddd\u96e2\u304c\u30de\u30eb\u30c1\u30e2\u30fc\u30c9\u306e\u80fd\u529b\u3092\u8d85\u3048\u308b\u304c\u3001\u6975\u7aef\u306a\u9577\u8ddd\u96e2\u3092\u5fc5\u8981\u3068\u3057\u306a\u3044\u5834\u5408\u306b\u3001\u3057\u3070\u3057\u3070\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u9078\u629e\u80a2\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">40GBASE-ER4\uff1a\u62e1\u5f35\u8ddd\u96e2\u7528\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u5149\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ER4\uff08\u62e1\u5f35\u8ddd\u96e2\uff09<\/strong> \u6700\u3082\u53b3\u3057\u3044\u9577\u8ddd\u96e2\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3b\u306a\u7279\u5fb4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\uff08SMF\uff09\u3092\u4f7f\u7528<\/p><\/li>\n\n\n\n<li><p>\u6700\u592740 km\u306e\u4f1d\u9001\u8ddd\u96e2<\/p><\/li>\n\n\n\n<li><p>WDM\u65b9\u5f0f\u306b\u3088\u308b\u4f1d\u9001\uff084 \u00d7 10G\u30ec\u30fc\u30f3\uff09<\/p><\/li>\n\n\n\n<li><p>\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9LC\u30b3\u30cd\u30af\u30bf\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u9069\u306a\u7528\u9014\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u9593\u63a5\u7d9a\uff08DCI\uff09<\/p><\/li>\n\n\n\n<li><p>\u30e1\u30c8\u30ed\u96c6\u7d04\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<br><\/p><\/li>\n\n\n\n<li><p>\u9577\u8ddd\u96e2\u4f01\u696dWAN\u30ea\u30f3\u30af<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">LR4\u3068\u6bd4\u8f03\u3057\u3066\u3001ER4\u306f4\u500d\u306e\u4f1d\u9001\u8ddd\u96e2\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u3001\u5730\u7406\u7684\u306b\u5206\u6563\u3057\u305f\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306b\u6700\u9069\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a2\u30ea\u30b9\u30bf\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\uff08Arista Networks\uff09\u306a\u3069\u306e\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u30d9\u30f3\u30c0\u30fc\u306f\u3001\u4f1d\u9001\u8ddd\u96e2\u304a\u3088\u3073\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u968e\u5c64\u306b\u57fa\u3065\u304d\u3001\u3053\u308c\u3089\u306e\u5149\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u3092\u660e\u78ba\u306b\u5206\u985e\u3057\u3001\u5c0e\u5165\u6642\u306e\u5224\u65ad\u3092\u7c21\u7d20\u5316\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e3b\u306a\u610f\u601d\u6c7a\u5b9a\u30ed\u30b8\u30c3\u30af\uff08\u8fc5\u901f\u306a\u9078\u629e\u65b9\u6cd5\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u8df5\u7684\u306a\u9078\u629e\u30eb\u30fc\u30eb\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u8ddd\u96e2 \u2264 150m \u2192 <a href=\"https:\/\/www.l-p.com\/products\/482750.htm\" target=\"_self\"><strong>SR4<\/strong><\/a><\/p><\/li>\n\n\n\n<li><p>\u8ddd\u96e2 \u2264 10km \u2192 <a href=\"https:\/\/www.l-p.com\/products\/482605.htm\" target=\"_self\"><strong>LR4<\/strong><\/a><\/p><\/li>\n\n\n\n<li><p>\u8ddd\u96e2 \u2264 40km \u2192 <a href=\"https:\/\/www.l-p.com\/products\/473093.htm\" target=\"_self\"><strong>ER4<\/strong><\/a><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u306e\u4ed6\u306e\u691c\u8a0e\u4e8b\u9805\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u5149\u30d5\u30a1\u30a4\u30d0\u306e\u7a2e\u985e\uff08<a href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/smf-optical-transceiver-vs-mmf-optical-transceiver-guide\/\" target=\"_blank\" rel=\"\">\u30de\u30eb\u30c1\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\uff08MMF\uff09\u5bfe\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\uff08SMF\uff09<\/a>)<\/p><\/li>\n\n\n\n<li><p>\u65e2\u5b58\u306e\u914d\u7dda\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3<\/p><\/li>\n\n\n\n<li><p>\u5c06\u6765\u7684\u306a\u62e1\u5f35\u6027\u8981\u4ef6<\/p><\/li>\n\n\n\n<li><p>\u5149\u5b66\u7684\u4e88\u7b97\u304a\u3088\u3073\u6e1b\u8870\u5236\u7d04<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">SR4\u3001LR4\u3001ER4\u306e\u9078\u629e\u306f\u3001\u5358\u306a\u308b\u901f\u5ea6\u306e\u554f\u984c\u3067\u306f\u306a\u304f\u3001\u4f1d\u9001\u8ddd\u96e2\u3001\u30d5\u30a1\u30a4\u30d0\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3001\u304a\u3088\u3073\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u8a2d\u8a08\u306b\u95a2\u3059\u308b\u554f\u984c\u3067\u3059\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>SR4\uff1d\u77ed\u8ddd\u96e2\u3001\u30e9\u30c3\u30af\u5185\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u5411\u3051<\/p><\/li>\n\n\n\n<li><p>LR4\uff1d\u6a19\u6e96\u7684\u306a\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u304a\u3088\u3073\u30e1\u30c8\u30ed\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u5411\u3051<\/p><\/li>\n\n\n\n<li><p>ER4\uff1d\u9577\u8ddd\u96e2\u30fb\u9ad8\u5b89\u5b9a\u6027\u306e\u76f8\u4e92\u63a5\u7d9a\u5411\u3051<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u9069\u5207\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3001\u5b89\u5b9a\u3057\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u904b\u7528\u30b3\u30b9\u30c8\u306e\u4f4e\u6e1b\u3001\u304a\u3088\u3073\u672c\u756a\u74b0\u5883\u306b\u304a\u3051\u308b\u4e92\u63db\u6027\u554f\u984c\u306e\u8efd\u6e1b\u304c\u5b9f\u73fe\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705 \u9069\u5207\u306a40GBASE-ER4\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u9078\u629e\u65b9\u6cd5 <\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4 QSFP+\u5149\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u9078\u5b9a\u3059\u308b\u969b\u3001\u300c\u5358\u306b\u4efb\u610f\u306e40G\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u3092\u898b\u3064\u3051\u308b\u300d\u3053\u3068\u3060\u3051\u3067\u306f\u5341\u5206\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002ER4\u5149\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u306f\u9577\u8ddd\u96e2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u4f7f\u7528\u3055\u308c\u308b\u305f\u3081\u3001\u8cfc\u5165\u57fa\u6e96\u306f\u6280\u8853\u7684\u8981\u4ef6\u306b\u52a0\u3048\u3001\u30d9\u30f3\u30c0\u30fc\u5bfe\u5fdc\u304a\u3088\u3073\u5c0e\u5165\u8981\u4ef6\u3068\u4e00\u81f4\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/ja\/knowledge-center\/how-to-test-sfp-compatibility\/\">\u4e92\u63db\u6027<\/a>, \u4ee5\u4e0b\u306f\u3001\u304a\u5ba2\u69d8\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u6700\u9069\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u9078\u629e\u3059\u308b\u305f\u3081\u306e\u3001\u7c21\u6f54\u304b\u3064\u610f\u601d\u6c7a\u5b9a\u91cd\u8996\u306e\u30ac\u30a4\u30c9\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\/adc105cd8d9c4375a72512c1a18a5496.jpg\" alt=\"How to Choose the Right 40GBASE-ER4 Module\" class=\"wp-image-2761\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/adc105cd8d9c4375a72512c1a18a5496.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/adc105cd8d9c4375a72512c1a18a5496-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/adc105cd8d9c4375a72512c1a18a5496-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/adc105cd8d9c4375a72512c1a18a5496-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/adc105cd8d9c4375a72512c1a18a5496-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d9\u30f3\u30c0\u30fc\u4e92\u63db\u6027\u304a\u3088\u3073\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\u30db\u30b9\u30c8\u30b9\u30a4\u30c3\u30c1\uff0f\u30d9\u30f3\u30c0\u30fc\u5bfe\u5fdc\u30ea\u30b9\u30c8\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/strong> \u4e00\u90e8\u306e\u30b9\u30a4\u30c3\u30c1\u3067\u306f\u3001OEM\u30b3\u30fc\u30c9\u4ed8\u304d\u5149\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u307f\u3092\u8a31\u53ef\u3059\u308b\u3001\u307e\u305f\u306f\u30dd\u30fc\u30c8\u3092\u6709\u52b9\u5316\u3059\u308b\u305f\u3081\u306b\u7279\u5b9a\u306e\u30d9\u30f3\u30c0\u30fcID\u3092\u8981\u6c42\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/p><\/li>\n\n\n\n<li><p><strong>MSA\u6e96\u62e0\uff1a<\/strong> \u30e2\u30b8\u30e5\u30fc\u30eb\u304cQSFP+ MSA\u898f\u683c\u306b\u6e96\u62e0\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001\u30db\u30c3\u30c8\u30b9\u30ef\u30c3\u30d7\u304a\u3088\u3073DOM\u6a5f\u80fd\u304c\u6b63\u3057\u304f\u52d5\u4f5c\u3059\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p><\/li>\n\n\n\n<li><p><strong>\u30d9\u30f3\u30c0\u30fc\u306e\u30ed\u30c3\u30af\u30a4\u30f3\uff1a<\/strong> OEM\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\uff08\u4f8b\uff1aCisco\u3001Juniper\uff09\u306f\u4fdd\u8a3c\u3055\u308c\u305f\u30b5\u30dd\u30fc\u30c8\u3092\u63d0\u4f9b\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u306f\u3001\u30b9\u30a4\u30c3\u30c1\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u307e\u305f\u306fCLI\u3067\u660e\u793a\u7684\u306a\u4e92\u63db\u6027\u78ba\u8a8d\u304c\u5fc5\u8981\u306a\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30d2\u30f3\u30c8:<\/strong> QSFPTEK 40GBASE\u2011ER4 QSFP+\u304a\u3088\u3073FiberMall 40GBASE\u2011ER4 QSFP+\u306a\u3069\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u591a\u304f\u306eCisco\u4e92\u63db\u304a\u3088\u3073\u6c4e\u7528QSFP+\u30dd\u30fc\u30c8\u3068\u5e83\u7bc4\u306a\u4e92\u63db\u6027\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30db\u30b9\u30c8\u30b9\u30a4\u30c3\u30c1\u306e\u30e2\u30c7\u30eb\u304a\u3088\u3073\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u5bfe\u5fdc\u72b6\u6cc1\uff1a<\/strong> \u30b9\u30a4\u30c3\u30c1\u306e\u30e2\u30c7\u30eb\u304c\u3001\u6c4e\u7528QSFP+\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u306f\u306a\u304f\u300140GBASE-ER4\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u660e\u78ba\u306b\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p><\/li>\n\n\n\n<li><p><strong>\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u30d0\u30fc\u30b8\u30e7\u30f3\uff1a<\/strong> \u4e00\u90e8\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u306f\u3001\u30ed\u30f3\u30b0\u30ea\u30fc\u30c1\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u6709\u52b9\u5316\u3084DOM\uff08Digital Optical Monitoring\uff09\u8aad\u307f\u53d6\u308a\u306e\u4fee\u6b63\u306e\u305f\u3081\u306b\u3001\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u306e\u66f4\u65b0\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/p><\/li>\n\n\n\n<li><p><strong>DOM\u8a3a\u65ad\uff1a<\/strong> DOM\u5bfe\u5fdc\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u306f\u3001\u9001\u4fe1\uff0f\u53d7\u4fe1\u5149\u51fa\u529b\u3001\u6e29\u5ea6\u3001\u96fb\u5727\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u76e3\u8996\u53ef\u80fd\u3067\u3042\u308a\u3001\u9577\u8ddd\u96e2\u30ea\u30f3\u30af\u306b\u304a\u3044\u3066\u6709\u7528\u3067\u3059\u3002.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b21\u306e\u3088\u3046\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\uff1a <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/472717.htm\"><span style=\"color: rgb(51, 51, 51);\">Cisco QSFP-40G-ER4<\/span><\/a> \u4e92\u63db\u30e2\u30b8\u30e5\u30fc\u30eb\u304a\u3088\u3073Allied Telesis QSFPER4\u4e92\u63db\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u306fDOM\u5bfe\u5fdc\u6a5f\u80fd\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u7d99\u7d9a\u7684\u306a\u76e3\u8996\u3092\u7c21\u7d20\u5316\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30ea\u30f3\u30af\u4e88\u7b97\u304a\u3088\u3073\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u57fa\u76e4<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\u8ddd\u96e2\u304a\u3088\u3073\u640d\u5931\uff1a<\/strong> \u5358\u4e00\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u8a2d\u5099\u304c\u3001\u30b3\u30cd\u30af\u30bf\u30fb\u63a5\u7d9a\u90e8\u30fb\u66f2\u3052\u306a\u3069\u306b\u3088\u308b\u640d\u5931\u3092\u542b\u3081\u3001\u6700\u592740 km\u306e\u8ddd\u96e2\u3092\u5341\u5206\u306b\u30b5\u30dd\u30fc\u30c8\u3067\u304d\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p><\/li>\n\n\n\n<li><p><strong>\u5149\u5b66\u4e88\u7b97\uff1a<\/strong> \u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u9001\u4fe1\uff0f\u53d7\u4fe1\u5149\u51fa\u529b\u304a\u3088\u3073\u53d7\u4fe1\u611f\u5ea6\u304c\u3001\u5b9f\u969b\u306e\u30ea\u30f3\u30af\u306e\u6e1b\u8870\u7279\u6027\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p><\/li>\n\n\n\n<li><p><strong>\u77ed\u8ddd\u96e2\u30ea\u30f3\u30af\u306b\u304a\u3051\u308b\u6e1b\u8870\uff1a<\/strong> ER4\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u9ad8\u3044\u9001\u4fe1\u51fa\u529b\u3092\u6709\u3057\u3066\u304a\u308a\u3001\u77ed\u8ddd\u96e2\u3067\u306f\u53d7\u4fe1\u6a5f\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3092\u9632\u3050\u305f\u3081\u306b\u30a4\u30f3\u30e9\u30a4\u30f3\u6e1b\u8870\u5668\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ea\u30f3\u30af\u8ddd\u96e2\u304c40 km\u3088\u308a\u5927\u5e45\u306b\u77ed\u3044\u5834\u5408\u306f\u3001\u6e1b\u8870\u63aa\u7f6e\u306e\u9069\u7528\u307e\u305f\u306f\u5225\u306e\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\uff08\u4f8b\uff1aLR4\uff09\u306e\u63a1\u7528\u304c\u9069\u5207\u304b\u3069\u3046\u304b\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b5\u30dd\u30fc\u30c8\u65b9\u91dd\u304a\u3088\u3073\u4fdd\u8a3c<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\u4fdd\u8a3c\u306e\u7bc4\u56f2\uff1a<\/strong> \u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u4fdd\u8a3c\u304c\u4ed8\u5e2f\u3055\u308c\u3066\u3044\u308b\u304b\u3001\u304a\u3088\u3073\u305d\u306e\u5185\u5bb9\uff08\u4f8b\uff1a\u521d\u671f\u4e0d\u826f\u4fdd\u8a3c\u3001\u7d42\u8eab\u4fdd\u8a3c\u306a\u3069\uff09\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p><\/li>\n\n\n\n<li><p><strong>\u30d9\u30f3\u30c0\u30fc\u30b5\u30dd\u30fc\u30c8\uff1a<\/strong> OEM\u307e\u305f\u306f\u6b63\u898f\u30d1\u30fc\u30c8\u30ca\u30fc\u88fd\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u4e92\u63db\u6027\u554f\u984c\u767a\u751f\u6642\u306b\u3088\u308a\u5145\u5b9f\u3057\u305f\u30b5\u30dd\u30fc\u30c8\u4f53\u5236\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002.<\/p><\/li>\n\n\n\n<li><p><strong>\u8fd4\u54c1\u30dd\u30ea\u30b7\u30fc\uff1a<\/strong> \u7279\u306b\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u306f\u3001\u67d4\u8edf\u306a\u8fd4\u54c1\u30dd\u30ea\u30b7\u30fc\u306b\u3088\u308a\u4e92\u63db\u6027\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3067\u304d\u307e\u3059\u3002.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Fortinet\u793e\u88fd <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/473103.htm\">FG-TRAN-QSFP+ER<\/a> \u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u306a\u3069\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u6d41\u901a\u696d\u8005\u304b\u3089\u63d0\u4f9b\u3055\u308c\u308b\u88fd\u54c1\u306f\u3001\u660e\u78ba\u306a\u4fdd\u8a3c\u6761\u4ef6\u304a\u3088\u3073\u5e83\u7bc4\u306a\u30b5\u30dd\u30fc\u30c8\u30c1\u30e3\u30cd\u30eb\u3092\u5099\u3048\u3066\u3044\u308b\u3053\u3068\u304c\u4e00\u822c\u7684\u3067\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u74b0\u5883\u304a\u3088\u3073\u904b\u7528\u4e0a\u306e\u8003\u616e\u4e8b\u9805<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\u6e29\u5ea6\u7bc4\u56f2\uff1a<\/strong> \u6a19\u6e96\u7684\u306a\u5546\u7528\u5149\u5b66\u90e8\u54c1\u306f\u901a\u5e38\u30010\u201370\u00b0C\u3067\u898f\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u904e\u9177\u306a\u74b0\u5883\u306b\u8a2d\u7f6e\u3059\u308b\u5834\u5408\u306f\u3001\u62e1\u5f35\u6e29\u5ea6\u5bfe\u5fdc\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p><\/li>\n\n\n\n<li><p><strong>\u6d88\u8cbb\u96fb\u529b\uff1a<\/strong> QSFP+\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u6d88\u8cbb\u96fb\u529b\u304c\u7570\u306a\u308b\u305f\u3081\u3001\u30b9\u30a4\u30c3\u30c1\u304c\u5341\u5206\u306a\u96fb\u529b\u3092\u4f9b\u7d66\u3067\u304d\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p><\/li>\n\n\n\n<li><p><strong>DOM\u30c6\u30ec\u30e1\u30c8\u30ea\uff1a<\/strong> \u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u8a3a\u65ad\u76e3\u8996\u306b\u3088\u308a\u3001\u4e88\u9632\u4fdd\u5168\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3059\u3070\u3084\u3044\u610f\u601d\u6c7a\u5b9a\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2714 \u30b9\u30a4\u30c3\u30c1\uff0f\u30d9\u30f3\u30c0\u30fc\u306b\u3088\u308bER4\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30b5\u30dd\u30fc\u30c8\u3092\u78ba\u8a8d<br>\u2714 \u5149\u640d\u5931\u8a08\u7b97\u3092\u7528\u3044\u3066\u30d5\u30a1\u30a4\u30d0\u7a2e\u5225\u304a\u3088\u3073\u30ea\u30f3\u30af\u8ddd\u96e2\u3092\u691c\u8a3c<br>\u2714 \u76e3\u8996\u3092\u5bb9\u6613\u306b\u3059\u308b\u305f\u3081\u3001DOM\u5bfe\u5fdc\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u9078\u629e<br>\u2714 \u4fdd\u8a3c\u304a\u3088\u3073\u8fd4\u54c1\u30dd\u30ea\u30b7\u30fc\u3092\u78ba\u8a8d<br>\u2714 \u8a2d\u7f6e\u6761\u4ef6\u306b\u5408\u81f4\u3059\u308b\u6e29\u5ea6\u304a\u3088\u3073\u904b\u7528\u4ed5\u69d8\u3092\u78ba\u8a8d<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705 40GBASE-ER4\u306b\u95a2\u3059\u308bFAQ<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ab941d05db0c4345bd91552211310d3a.jpg\" alt=\"FAQ About 40GBASE-ER4\" class=\"wp-image-2762\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ab941d05db0c4345bd91552211310d3a.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ab941d05db0c4345bd91552211310d3a-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ab941d05db0c4345bd91552211310d3a-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ab941d05db0c4345bd91552211310d3a-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ab941d05db0c4345bd91552211310d3a-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Q1. 40GBASE-ER4\u306e\u6700\u5927\u4f1d\u9001\u8ddd\u96e2\u306f\u3069\u308c\u304f\u3089\u3044\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>40GBASE-ER4\u306f\u3001\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\uff08SMF\uff09\u4e0a\u3067\u6700\u5927\u7d0440 km\u306e\u4f1d\u9001\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002.<\/strong><br>\u5b9f\u969b\u306e\u5c55\u958b\u3067\u306f\u3001\u5149\u640d\u5931\u3001\u30d5\u30a1\u30a4\u30d0\u54c1\u8cea\u3001\u30b3\u30cd\u30af\u30bf\uff0f\u63a5\u7d9a\u90e8\u306e\u72b6\u614b\u306b\u3088\u3063\u3066\u9054\u6210\u53ef\u80fd\u306a\u8ddd\u96e2\u304c\u5909\u308f\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q2. 40GBASE-ER4\u306f\u30de\u30eb\u30c1\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u3067\u52d5\u4f5c\u3057\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u3044\u3044\u3048\u300240GBASE-ER4\u306f\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\uff08SMF\uff09\u3067\u306e\u307f\u52d5\u4f5c\u3057\u307e\u3059\u3002.<\/strong><br>\u30de\u30eb\u30c1\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\uff08OM3\uff0fOM4\uff09\u306f\u3001\u9577\u8ddd\u96e2\u306b\u304a\u3051\u308b\u9ad8\u3044\u5206\u6563\u304a\u3088\u3073\u4fe1\u53f7\u6e1b\u8870\u306e\u305f\u3081\u3001\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q3. 40GBASE-ER4\u3067\u4f7f\u7528\u3055\u308c\u308b\u30b3\u30cd\u30af\u30bf\u306e\u7a2e\u985e\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u306f <strong>\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9LC\u30b3\u30cd\u30af\u30bf<\/strong>, \u3001\u3064\u307e\u308a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u9001\u4fe1\uff08Tx\uff09\u7528\u306b1\u672c\u306e\u30d5\u30a1\u30a4\u30d0<\/p><\/li>\n\n\n\n<li><p>\u53d7\u4fe1\uff08Rx\uff09\u7528\u306b1\u672c\u306e\u30d5\u30a1\u30a4\u30d0<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u3001\u6a19\u6e96\u7684\u306aSMF\u30d1\u30c3\u30c1\u30b1\u30fc\u30d6\u30eb\u30b7\u30b9\u30c6\u30e0\u3068\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q4. 40GBASE-ER4\u306f\u3059\u3079\u3066\u306eQSFP+\u30dd\u30fc\u30c8\u3068\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3044\u3064\u3082\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002. <strong>\u4e92\u63db\u6027\u306f\u3001\u30b9\u30a4\u30c3\u30c1\u30d9\u30f3\u30c0\u30fc\u304a\u3088\u3073\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cisco Systems\u3084Arista Networks\u306a\u3069\u306e\u30d9\u30f3\u30c0\u30fc\u306e\u4e00\u90e8\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u8981\u4ef6\u304c\u9069\u7528\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u627f\u8a8d\u6e08\u307f\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30b3\u30fc\u30c9<\/p><\/li>\n\n\n\n<li><p>\u30d9\u30f3\u30c0\u30fc\u8a8d\u5b9a\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb<\/p><\/li>\n\n\n\n<li><p>ER4\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u5bfe\u3059\u308b\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u5bfe\u5fdc<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Q5. 40GBASE-ER4\u306f\u4e0b\u4f4d\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u306f\u3044\u3002\u305f\u3060\u3057\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u30ec\u30d9\u30eb\u3067\u306e\u307f\u3067\u3042\u308a\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u30bf\u30a4\u30d7\u306e\u4e92\u63db\u6027\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>40G\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u898f\u683c\u3068\u306e\u4e0b\u4f4d\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p><\/li>\n\n\n\n<li><p>1G\u307e\u305f\u306f10G\u30dd\u30fc\u30c8\u3068\u306f\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u305b\u3093\u3002<\/p><\/li>\n\n\n\n<li><p>QSFP+ 40G\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Q6. 40GBASE-ER4\u3092\u77ed\u8ddd\u96e2\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6280\u8853\u7684\u306b\u306f\u53ef\u80fd\u3067\u3059\u304c\u3001 <strong>\u5149\u5b66\u6e1b\u8870\u5668\u306a\u3057\u3067\u306f\u63a8\u5968\u3055\u308c\u307e\u305b\u3093\u3002<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ER4\u306f\u9ad8\u3044\u9001\u4fe1\u51fa\u529b\u3092\u6301\u3064\u305f\u3081\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u77ed\u8ddd\u96e2\u30ea\u30f3\u30af\u3067\u306f\u53d7\u4fe1\u6a5f\u304c\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p><\/li>\n\n\n\n<li><p>\u30a4\u30f3\u30e9\u30a4\u30f3\u6e1b\u8870\u5668\u306f\u5b89\u5168\u306a\u904b\u7528\u306e\u305f\u3081\u306b\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Q7. ER4\u3068LR4\u306e\u9055\u3044\u3092\u7c21\u5358\u306b\u8aac\u660e\u3059\u308b\u3068\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>LR4:<\/strong> \u6700\u592710 km\uff08\u6a19\u6e96\u7684\u306a\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\uff0f\u30ad\u30e3\u30f3\u30d1\u30b9\u9593\u30ea\u30f3\u30af\uff09<\/p><\/li>\n\n\n\n<li><p><strong>ER4:<\/strong> \u6700\u592740 km\uff08\u9577\u8ddd\u96e2\u30e1\u30c8\u30ed\u304a\u3088\u3073DCI\u30ea\u30f3\u30af\uff09<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">ER4\u306f\u3001\u30ea\u30f3\u30af\u4e88\u7b97\u8981\u4ef6\u304c\u3088\u308a\u9ad8\u3044\u3001LR4\u306e\u9577\u8ddd\u96e2\u5bfe\u5fdc\u7248 essentially \u3067\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q8. 40GBASE-ER4\u306f\u30c7\u30b8\u30bf\u30eb\u5149\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\uff08DOM\uff09\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u306f\u3044\u3002\u307b\u3068\u3093\u3069\u306eER4\u30e2\u30b8\u30e5\u30fc\u30eb\u306fDOM\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002.<\/strong><br>\u3053\u308c\u306b\u3088\u308a\u3001\u4ee5\u4e0b\u306e\u9805\u76ee\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3067\u304d\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u5149\u51fa\u529b\uff08\u9001\u4fe1\uff0f\u53d7\u4fe1\uff09<\/p><\/li>\n\n\n\n<li><p>\u6e29\u5ea6<\/p><\/li>\n\n\n\n<li><p>\u96fb\u5727<\/p><\/li>\n\n\n\n<li><p>\u30ec\u30fc\u30b6\u30fc\u30d0\u30a4\u30a2\u30b9\u96fb\u6d41<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">DOM\u306f\u3001\u9577\u8ddd\u96e2\u30ea\u30f3\u30af\u306b\u304a\u3051\u308b\u5b89\u5b9a\u6027\u7dad\u6301\u306b\u3068\u3063\u3066\u91cd\u8981\u3067\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q9. \u3069\u306e\u3088\u3046\u306a\u5834\u5408\u306bER4\u3092SR4\u307e\u305f\u306fLR4\u3067\u306f\u306a\u304f\u9078\u629e\u3059\u3079\u304d\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b21\u306e\u5834\u5408\u306bER4\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u8ddd\u96e2\u304c10 km\u3092\u8d85\u3048\u308b\u5834\u5408<\/p><\/li>\n\n\n\n<li><p>\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\uff08SMF\uff09\u30a4\u30f3\u30d5\u30e9\u304c\u5229\u7528\u53ef\u80fd\u306a\u5834\u5408<\/p><\/li>\n\n\n\n<li><p>\u76f4\u63a5\u7684\u306a\u30dd\u30a4\u30f3\u30c8\u30c4\u30fc\u30dd\u30a4\u30f3\u30c8\u306e\u30ed\u30f3\u30b0\u30ea\u30fc\u30c1\u30ea\u30f3\u30af\u304c\u5fc5\u8981\u306a\u5834\u5408<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Q10. 40GBASE-ER4\u306f\u73fe\u4ee3\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3044\u3066\u4f9d\u7136\u3068\u3057\u3066\u95a2\u9023\u6027\u304c\u3042\u308a\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u306f\u3044\u3002100G\u304a\u3088\u3073400G\u304c\u62e1\u5927\u3057\u3066\u3044\u308b\u3082\u306e\u306e\u300140GBASE-ER4\u306f\u3001\u65e2\u5b58\u306e40G\u30a4\u30f3\u30d5\u30e9\u3092\u7dad\u6301\u3059\u308b\u30ec\u30ac\u30b7\u30fc\u306a\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3001\u30e1\u30c8\u30ed\u30ea\u30f3\u30af\u3001\u304a\u3088\u3073\u30b3\u30b9\u30c8\u306b\u654f\u611f\u306a\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u5c55\u958b\u306b\u304a\u3044\u3066\u3001\u4f9d\u7136\u3068\u3057\u3066\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705 \u7d50\u8ad6\uff1a40GBASE-ER4\u306f\u9069\u5207\u306a\u9078\u629e\u80a2\u3067\u3059\u304b\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">40GBASE-ER4\u306f\u3001\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u4e0a\u3067\u9577\u8ddd\u96e2\u306b\u308f\u305f\u308b40G\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u63a5\u7d9a\u3092\u5b9f\u73fe\u3059\u308b\u6700\u3082\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306e\u4e00\u3064\u3067\u3042\u308a\u3001\u7279\u306b\u5ef6\u9577\u3055\u308c\u305f\u8ddd\u96e2\u306b\u308f\u305f\u3063\u3066\u5b89\u5b9a\u3057\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u6c42\u3081\u3089\u308c\u308b\u74b0\u5883\u306b\u304a\u3044\u3066\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u6700\u592740 km\u306e\u4f1d\u9001\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u3053\u3068\u3067\u3001\u6a19\u6e96\u7684\u306a\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u7528\u5149\u5b66\u90e8\u54c1\u3068\u672c\u683c\u7684\u306a\u30e1\u30c8\u30ed\u307e\u305f\u306f\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u9593\u63a5\u7d9a\uff08DCI\uff09\u8981\u4ef6\u3068\u306e\u9593\u306b\u91cd\u8981\u306a\u30ae\u30e3\u30c3\u30d7\u3092\u57cb\u3081\u3066\u3044\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\/0e51c767a87c4d42ba102e3ac4ec321a.jpg\" alt=\"40GBASE-ER4 Is the Right Choice\" class=\"wp-image-2763\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0e51c767a87c4d42ba102e3ac4ec321a.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0e51c767a87c4d42ba102e3ac4ec321a-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0e51c767a87c4d42ba102e3ac4ec321a-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0e51c767a87c4d42ba102e3ac4ec321a-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0e51c767a87c4d42ba102e3ac4ec321a-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u8a08\u306e\u89b3\u70b9\u304b\u3089\u3001\u5c55\u958b\u74b0\u5883\u304c\u4ee5\u4e0b\u306e3\u3064\u306e\u4e3b\u8981\u306a\u6761\u4ef6\u3092\u6e80\u305f\u3059\u5834\u5408\u3001ER4\u304c\u9069\u5207\u306a\u9078\u629e\u3068\u306a\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u30ea\u30f3\u30af\u8ddd\u96e2\u304c\u6a19\u6e96\u7684\u306aLR4\u306e\u80fd\u529b\uff08\u7d0410 km\u3092\u8d85\u3048\u308b\uff09\u3092\u8d85\u3048\u3066\u3044\u308b\u3053\u3068<\/p><\/li>\n\n\n\n<li><p>\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\uff08SMF\uff09\u30a4\u30f3\u30d5\u30e9\u304c\u3059\u3067\u306b\u6574\u5099\u3055\u308c\u3066\u3044\u308b\u3053\u3068<\/p><\/li>\n\n\n\n<li><p>\u4e2d\u9593\u518d\u751f\u306a\u3057\u3067\u5b89\u5b9a\u3057\u305f\u30dd\u30a4\u30f3\u30c8\u30c4\u30fc\u30dd\u30a4\u30f3\u30c8\u306e\u9577\u8ddd\u96e2\u63a5\u7d9a\u304c\u5fc5\u8981\u306a\u3053\u3068<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3060\u3057\u3001\u6210\u529f\u88cf\u306e\u5c55\u958b\u306f\u3001\u9069\u5207\u306a\u4e92\u63db\u6027\u691c\u8a3c\u304a\u3088\u3073\u5149\u5b66\u4e88\u7b97\u8a08\u753b\u306b\u5927\u304d\u304f\u4f9d\u5b58\u3057\u307e\u3059\u3002\u30b9\u30a4\u30c3\u30c1\u306e\u30b5\u30dd\u30fc\u30c8\u72b6\u6cc1\u3001\u30d9\u30f3\u30c0\u30fc\u306b\u3088\u308b\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u5236\u9650\u3001\u304a\u3088\u3073\u6e1b\u8870\u8981\u4ef6\u306f\u3001\u8a2d\u7f6e\u524d\u306b\u3059\u3079\u3066\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5b89\u5b9a\u3057\u305f\u52d5\u4f5c\u3092\u78ba\u4fdd\u3057\u3001\u53d7\u4fe1\u6a5f\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3084\u30ea\u30f3\u30af\u306e\u4e0d\u5b89\u5b9a\u5316\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u3068\u3081\u308b\u3068\u300140GBASE-ER4\u306f\u6c4e\u7528\u306e\u5149\u5b66\u90e8\u54c1\u3067\u306f\u306a\u304f\u3001\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u30ec\u30d9\u30eb\u306e\u63a5\u7d9a\u306b\u7279\u5316\u3057\u305f\u76ee\u7684\u6307\u5411\u578b\u30ed\u30f3\u30b0\u30ea\u30fc\u30c1\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u3042\u308a\u3001\u4fe1\u983c\u6027\u304c\u6975\u3081\u3066\u91cd\u8981\u3068\u306a\u308b\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u9593\u63a5\u7d9a\uff08DCI\uff09\u3001\u30e1\u30c8\u30ed\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u304a\u3088\u3073\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u898f\u6a21\u306e\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30ea\u30f3\u30af\u306b\u6700\u9069\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">40G\u5c55\u958b\u3092\u8a08\u753b\u4e2d\u3067\u3001\u691c\u8a3c\u6e08\u307f\u306e\u4e92\u63db\u6027\u3001\u5b89\u5b9a\u3057\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u304a\u3088\u3073\u30b3\u30b9\u30c8\u52b9\u7387\u306e\u826f\u3044\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u5fc5\u8981\u3068\u3059\u308b\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u30b5\u30a4\u30c8\u3067\u9ad8\u54c1\u8cea\u306a\u4e92\u63db\u6027\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u3092\u3054\u78ba\u8a8d\u3044\u305f\u3060\u3051\u307e\u3059\uff1a <a target=\"_self\" href=\"https:\/\/www.l-p.com\/\"><strong>LINK-PP\u516c\u5f0f\u30b9\u30c8\u30a2<\/strong><\/a>, \u3001\u3053\u308c\u306f\u5e45\u5e83\u3044\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u3088\u3046\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u4e00\u8cab\u3057\u305f\u5149\u5b66\u6027\u80fd\u304a\u3088\u3073\u76f8\u4e92\u904b\u7528\u6027\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>40GBASE-ER4\u3068\u306f\u4f55\u304b\u3092\u5b66\u3073\u3001\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u5358\u4e00\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u30fc\u4e0a\u3067\u306e\u6700\u5927\u5230\u9054\u8ddd\u96e2\u3001\u5bfe\u5fdc\u3059\u308b\u6a5f\u5668\u3001\u304a\u3088\u3073\u9069\u5207\u306aQSFP+\u5149\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u9078\u5b9a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u3002.<\/p>","protected":false},"author":1,"featured_media":2764,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[28],"tags":[18],"class_list":["post-2766","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-products","tag-40g-qsfp-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts\/2766","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/comments?post=2766"}],"version-history":[{"count":5,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts\/2766\/revisions"}],"predecessor-version":[{"id":10719,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/posts\/2766\/revisions\/10719"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/media\/2764"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/media?parent=2766"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/categories?post=2766"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/ja\/wp-json\/wp\/v2\/tags?post=2766"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}