{"id":21996,"date":"2026-08-29T14:42:22","date_gmt":"2026-08-29T06:42:22","guid":{"rendered":"https:\/\/www.luleey.com\/?p=21996"},"modified":"2026-08-30T00:06:43","modified_gmt":"2026-08-29T16:06:43","slug":"sfp-receiver-overload-can-optical-power-be-too-high","status":"publish","type":"post","link":"https:\/\/www.luleey.com\/ja\/sfp-receiver-overload-can-optical-power-be-too-high\/","title":{"rendered":"SFP\u30ec\u30b7\u30fc\u30d0\u30fc\u306e\u904e\u8ca0\u8377\uff1a\u5149\u51fa\u529b\u304c\u9ad8\u3059\u304e\u308b\u3053\u3068\u306f\u3042\u308a\u5f97\u308b\u304b\uff1f"},"content":{"rendered":"<p class=\"wp-block-wd-paragraph wd-dc8b151e\">\u306f\u3044\u3002. <a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/optical-power\/\" title=\"\u300c\u5149\u30d1\u30ef\u30fc\u300d\u306e\u3059\u3079\u3066\u306e\u6295\u7a3f\u3092\u8868\u793a\">\u5149\u51fa\u529b<\/a> SFP\u30ec\u30b7\u30fc\u30d0\u30fc\u306b\u3068\u3063\u3066\u306f\u9ad8\u3059\u304e\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002A <strong><a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/sfp-receiver-overload\/\" title=\"\u300cSFP\u30ec\u30b7\u30fc\u30d0\u30fc\u306e\u904e\u8ca0\u8377\u300d\u306b\u95a2\u3059\u308b\u3059\u3079\u3066\u306e\u6295\u7a3f\u3092\u8868\u793a\">SFP\u30ec\u30b7\u30fc\u30d0\u30fc\u306e\u904e\u8ca0\u8377<\/a><\/strong> \u3053\u308c\u306f\u3001\u53d7\u4fe1\u6a5f\u306b\u9032\u5165\u3059\u308b\u5149\u306e\u5f37\u5ea6\u304c\u3001\u305d\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u898f\u5b9a\u3055\u308c\u305f\u6700\u5927\u52d5\u4f5c\u5165\u529b\u5024\u3092\u4e0a\u56de\u3063\u305f\u5834\u5408\u306b\u767a\u751f\u3057\u307e\u3059\u3002\u53d7\u4fe1\u6a5f\u304c\u98fd\u548c\u72b6\u614b\u3068\u306a\u308a\u3001\u5341\u5206\u306a\u5149\u91cf\u304c\u3042\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u308a\u3001\u30ea\u30f3\u30af\u304c\u4e0d\u5b89\u5b9a\u306b\u306a\u3063\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ee691392\">\u3053\u306e\u554f\u984c\u306f\u3001\u9ad8\u51fa\u529b\u306e\u9577\u8ddd\u96e2\u7528\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u30fb\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u3092\u3001\u975e\u5e38\u306b\u77ed\u304f\u4f4e\u640d\u5931\u306a\u7d4c\u8def\u3067\u4f7f\u7528\u3057\u305f\u5834\u5408\u306b\u767a\u751f\u3057\u3084\u3059\u3044\u3067\u3059\u3002\u307e\u305f\u3001\u30c6\u30b9\u30c8\u30d9\u30f3\u30c1\u3001\u30d1\u30c3\u30c1\u30b3\u30fc\u30c9\u306b\u3088\u308b\u76f4\u63a5\u63a5\u7d9a\u3001\u8a2d\u8a08\u4e0a\u306e\u4e0d\u5099\u304c\u3042\u308b\u30ea\u30f3\u30af\u3001\u3042\u308b\u3044\u306f\u30b1\u30fc\u30d6\u30eb\u914d\u7dda\u304c\u7c21\u7d20\u5316\u3055\u308c\u3001\u5f93\u6765\u306e\u6e1b\u8870\u306e\u5927\u90e8\u5206\u304c\u5931\u308f\u308c\u305f\u5f8c\u306b\u3082\u767a\u751f\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ca0c523b\">\u7121\u96e3\u306a\u5bfe\u5fdc\u306f\u3001\u30e9\u30f3\u3092\u9078\u629e\u3057\u306a\u3044\u3053\u3068\u3067\u3059\u3002<a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/dom\/\" title=\"DOM\u306e\u3059\u3079\u3066\u306e\u6295\u7a3f\u3092\u8868\u793a\">DOM<\/a> \u6e1b\u8870\u5668\u3002\u307e\u305a\u3001\u9001\u4fe1\u6a5f\u3068\u53d7\u4fe1\u6a5f\u306e\u6b63\u78ba\u306a\u4ed5\u69d8\u3092\u78ba\u8a8d\u3057\u3001\u53d7\u4fe1\u96fb\u529b\u3092\u8aad\u307f\u53d6\u308b\u304b\u6e2c\u5b9a\u3057\u3001\u5fc5\u8981\u306a\u6e1b\u8870\u91cf\u3092\u7b97\u51fa\u3057\u3001\u53d7\u4fe1\u6a5f\u306e\u8fd1\u304f\u306b\u6ce2\u9577\u304a\u3088\u3073\u30b3\u30cd\u30af\u30bf\u306b\u9069\u5408\u3057\u305f\u6e1b\u8870\u5668\u3092\u53d6\u308a\u4ed8\u3051\u3001\u518d\u5ea6\u6e2c\u5b9a\u3092\u884c\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<div class=\"wp-block-wd-image wd-block-image wd-3013fc9f\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" class=\"wp-image-22003\" src=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-receiver-overload-hero.png\" alt=\"\" title=\"\" srcset=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-receiver-overload-hero.png 1000w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-receiver-overload-hero-800x800.png 800w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-receiver-overload-hero-400x400.png 400w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-receiver-overload-hero-768x768.png 768w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-receiver-overload-hero-12x12.png 12w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-receiver-overload-hero-150x150.png 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/div>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-1f647ce6\"><\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-0e436631\">SFP\u30ec\u30b7\u30fc\u30d0\u30fc\u306e\u904e\u8ca0\u8377\uff1a\u8fc5\u901f\u306a\u8a3a\u65ad<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u767a\u898b<\/th><th>\u305d\u306e\u610f\u5473<\/th><th>\u6b21\u306e\u30a2\u30af\u30b7\u30e7\u30f3<\/th><\/tr><\/thead><tbody><tr><td><a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/rx-power\/\" title=\"Rx Power\u306e\u3059\u3079\u3066\u306e\u6295\u7a3f\u3092\u8868\u793a\">Rx Power<\/a> \u53d7\u4fe1\u6a5f\u611f\u5ea6\u3092\u4e0b\u56de\u3063\u3066\u3044\u308b<\/td><td>\u4fe1\u53f7\u304c\u5f31\u3059\u304e\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<\/td><td>\u904e\u5270\u640d\u5931\u3001\u6c5a\u67d3\u3001\u66f2\u304c\u308a\u3001\u4e0d\u9069\u5207\u306a\u63a5\u7d9a\u3001\u307e\u305f\u306f\u4e0d\u5341\u5206\u306a\u30ea\u30f3\u30af\u30d0\u30b8\u30a7\u30c3\u30c8\u304c\u306a\u3044\u304b\u78ba\u8a8d\u3059\u308b<\/td><\/tr><tr><td>Rx\u96fb\u529b\u306f\u52d5\u4f5c\u7bc4\u56f2\u5185\u3067\u3059<\/td><td>\u30d1\u30ef\u30fc\u30ec\u30d9\u30eb\u306f\u59a5\u5f53\u3060<\/td><td>\u30ec\u30fc\u30c8\u3001\u6ce2\u9577\u3001\u30d5\u30a1\u30a4\u30d0\u30fc\u3001\u6975\u6027\u3001\u7b26\u53f7\u5316\u65b9\u5f0f\u3001\u30a8\u30e9\u30fc\u3001\u304a\u3088\u3073\u30db\u30b9\u30c8\u3068\u306e\u4e92\u63db\u6027\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044<\/td><\/tr><tr><td>Rx\u96fb\u529b\u304c\u904e\u8ca0\u8377\u9650\u754c\u3092\u8d85\u3048\u3066\u3044\u307e\u3059<\/td><td>\u53d7\u4fe1\u6a5f\u304c\u4fdd\u8a3c\u3055\u308c\u305f\u52d5\u4f5c\u7bc4\u56f2\u5916\u306b\u3042\u308a\u307e\u3059<\/td><td>\u8a08\u7b97\u3055\u308c\u305f\u6e1b\u8870\u91cf\u3092\u52a0\u7b97\u3057\u3001\u518d\u30c6\u30b9\u30c8\u3092\u884c\u3046<\/td><\/tr><tr><td>Rx\u30d1\u30ef\u30fc\u304c\u30c0\u30e1\u30fc\u30b8\u306e\u95be\u5024\u4ed8\u8fd1\u307e\u305f\u306f\u305d\u308c\u3092\u4e0a\u56de\u3063\u3066\u3044\u308b<\/td><td>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306b\u95a2\u3059\u308b\u30ea\u30b9\u30af\u304c\u5b58\u5728\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<\/td><td>\u8a66\u9a13\u3092\u4e2d\u6b62\u3057\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u30e1\u30fc\u30ab\u30fc\u304c\u5b9a\u3081\u308b\u5236\u9650\u304a\u3088\u3073\u5b89\u5168\u624b\u9806\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td><a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/ddm\/\" title=\"DDM \u306e\u6295\u7a3f\u3092\u3059\u3079\u3066\u8868\u793a\">DDM<\/a> \u9ad8\u3044\u30a2\u30e9\u30fc\u30e0\u5024\u3092\u793a\u3057\u3066\u3044\u308b\u304c\u3001\u5916\u90e8\u306e\u8a08\u6e2c\u5668\u3068\u306e\u5024\u304c\u4e00\u81f4\u3057\u306a\u3044<\/td><td>\u8aad\u307f\u53d6\u308a\u3001\u6821\u6b63\u3001\u307e\u305f\u306f\u6e2c\u5b9a\u306e\u8a2d\u5b9a\u306b\u8aa4\u308a\u304c\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<\/td><td>\u6ce2\u9577\u3001\u6e2c\u5b9a\u5668\u306e\u8a2d\u5b9a\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u8a3a\u65ad\u3001\u304a\u3088\u3073\u6e2c\u5b9a\u30dd\u30a4\u30f3\u30c8\u3092\u78ba\u8a8d\u3059\u308b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-6310798a\">\u201c\u300c\u904e\u8ca0\u8377\u300d\u3068\u300c\u640d\u50b7\u95be\u5024\u300d\u306f\u3001\u540c\u3058\u4ed5\u69d8\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u904e\u8ca0\u8377\u5024\u306f\u3001\u53d7\u4fe1\u6a5f\u306e\u6b63\u5e38\u52d5\u4f5c\u306e\u4e0a\u9650\u3092\u793a\u3057\u307e\u3059\u3002\u5225\u9014\u6307\u5b9a\u3055\u308c\u308b\u640d\u50b7\u95be\u5024\u306f\u3001\u53d7\u4fe1\u6a5f\u304c\u6c7a\u3057\u3066\u3055\u3089\u3055\u308c\u3066\u306f\u306a\u3089\u306a\u3044\u3001\u305d\u308c\u3088\u308a\u3082\u9ad8\u3044\u5165\u529b\u30ec\u30d9\u30eb\u3092\u793a\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-509dc06c\">\u305d\u308c\u3089\u306e\u9593\u306e\u30b9\u30da\u30fc\u30b9\u3092\u3001\u4f7f\u7528\u53ef\u80fd\u306a\u52d5\u4f5c\u7bc4\u56f2\u3068\u3057\u3066\u6271\u308f\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-ce6c59ef\">\u5149\u91cf\u304c\u591a\u3059\u304e\u308b\u3068\u30d5\u30a1\u30a4\u30d0\u30fc\u30ea\u30f3\u30af\u306e\u6027\u80fd\u304c\u4f4e\u4e0b\u3059\u308b\u7406\u7531<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-47e12eb7\">\u5149\u53d7\u4fe1\u6a5f\u306f\u3001\u5149\u30d1\u30eb\u30b9\u3092\u96fb\u6c17\u4fe1\u53f7\u306b\u5909\u63db\u3057\u307e\u3059\u30021\u30680\u3092\u30ce\u30a4\u30ba\u304b\u3089\u8b58\u5225\u3059\u308b\u306b\u306f\u5341\u5206\u306a\u5149\u91cf\u304c\u5fc5\u8981\u3067\u3059\u304c\u3001\u305d\u306e\u5149\u691c\u51fa\u5668\u3068\u5897\u5e45\u5668\u306b\u3082\u52d5\u4f5c\u7bc4\u56f2\u306b\u306f\u9650\u754c\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8f46fdfe\">\u4fe1\u53f7\u304c\u5f31\u3044\u5074\u3067\u306f\u3001\u53d7\u4fe1\u6a5f\u306f\u611f\u5ea6\u9650\u754c\u306b\u8fd1\u3065\u304d\u3001\u30d3\u30c3\u30c8\u8aa4\u308a\u7387\u304c\u4e0a\u6607\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4fe1\u53f7\u304c\u5f37\u3044\u5074\u3067\u306f\u3001\u53d7\u4fe1\u6a5f\u304c\u98fd\u548c\u3057\u3001\u6ce2\u5f62\u304c\u6b6a\u3080\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-149142a6\">\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u5354\u4f1a\u306f\u3001\u3053\u308c\u30892\u3064\u306e\u9650\u754c\u3092\u300c\u53d7\u4fe1\u611f\u5ea6\u300d\u3068\u300c\u53d7\u4fe1\u904e\u8ca0\u8377\u300d\u3068\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002\u53d7\u4fe1\u96fb\u529b\u304c\u4e0d\u8db3\u3057\u3066\u3082\u904e\u5270\u3067\u3082\u3001\u30d3\u30c3\u30c8\u30a8\u30e9\u30fc\u304c\u5897\u52a0\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002. <a href=\"https:\/\/www.thefoa.org\/tech\/ref\/appln\/attenuators.html\" target=\"_blank\" rel=\"noopener\">FOA\uff1a\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u306b\u304a\u3051\u308b\u6e1b\u8870\u5668\u306e\u4f7f\u7528<\/a><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-dbe90562\">\u3053\u308c\u306f\u3001\u76f4\u611f\u306b\u53cd\u3059\u308b\u7d50\u679c\u3092\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u4fe1\u53f7\u304c\u5f37\u3044\u304b\u3089\u3068\u3044\u3063\u3066\u3001\u5fc5\u305a\u3057\u3082\u826f\u3044\u4fe1\u53f7\u3068\u306f\u9650\u3089\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u76ee\u6a19\u306f\u3001\u53d7\u4fe1\u96fb\u529b\u3092\u6307\u5b9a\u3055\u308c\u305f\u52d5\u4f5c\u7bc4\u56f2\u5185\u306b\u4f59\u88d5\u3092\u6301\u3063\u3066\u53ce\u3081\u308b\u3053\u3068\u3067\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-c125db07\">\u53d7\u4fe1\u6a5f\u306e\u611f\u5ea6\u3001\u904e\u8ca0\u8377\u3001\u304a\u3088\u3073\u640d\u50b7\u95be\u5024<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-733038ff\">\u3053\u308c\u30893\u3064\u306e\u6570\u5b57\u306f\u3001\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u7591\u554f\u306b\u7b54\u3048\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-d2a05a6e\">\u53d7\u4fe1\u611f\u5ea6<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-65b0d489\">\u53d7\u4fe1\u6a5f\u306e\u611f\u5ea6\u3068\u306f\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u6240\u5b9a\u306e\u6027\u80fd\u6761\u4ef6\u3092\u6e80\u305f\u3059\u3068\u898f\u5b9a\u3055\u308c\u3066\u3044\u308b\u3001\u6700\u5c0f\u306e\u5165\u529b\u96fb\u529b\u306e\u3053\u3068\u3067\u3059\u3002\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3067\u306f\u3001\u3053\u306e\u6570\u5024\u304c\u7279\u5b9a\u306e\u30d3\u30c3\u30c8\u8aa4\u308a\u7387\u3001\u30c6\u30b9\u30c8\u30d1\u30bf\u30fc\u30f3\u3001\u30e9\u30a4\u30f3\u30ec\u30fc\u30c8\u3001\u6e29\u5ea6\u3001\u307e\u305f\u306fFEC\u30e2\u30fc\u30c9\u3068\u95a2\u9023\u4ed8\u3051\u3089\u308c\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-13456ee3\">\u611f\u5ea6\u3092\u4e0b\u56de\u308bRx\u5024\u306e\u5834\u5408\u3001\u78ba\u5b9f\u306b\u52d5\u4f5c\u3059\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-a43014b3\">\u53d7\u4fe1\u6a5f\u306e\u904e\u8ca0\u8377<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-985738f3\">\u53d7\u4fe1\u6a5f\u306e\u904e\u8ca0\u8377\u3068\u306f\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u6b63\u5e38\u306b\u52d5\u4f5c\u3059\u308b\u3068\u898f\u5b9a\u3055\u308c\u3066\u3044\u308b\u6700\u5927\u5165\u529b\u96fb\u529b\u306e\u3053\u3068\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-e2138bb9\">dBm\u306e\u5024\u306f\u5bfe\u6570\u30b9\u30b1\u30fc\u30eb\u3067\u3042\u308b\u305f\u3081\u3001\u8ca0\u306e\u5024\u304c\u5c0f\u3055\u3051\u308c\u3070\u5c0f\u3055\u3044\u307b\u3069\u3001\u51fa\u529b\u306f\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001-3dBm\u306f-10dBm\u3088\u308a\u3082\u5f37\u3044\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d78f4ce9\">\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u904e\u8ca0\u8377\u9650\u754c\u304c-7dBm\u3068\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001-4dBm\u306e\u5165\u529b\u306f\u3001\u305d\u306e\u52d5\u4f5c\u9650\u754c\u3088\u308a\u30823dB\u5f37\u3044\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-f4b57ce7\">\u53d7\u4fe1\u6a5f\u306e\u640d\u50b7\u95be\u5024<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-704afb3f\">\u640d\u50b7\u95be\u5024\u306f\u5b89\u5168\u9650\u754c\u3067\u3042\u308a\u3001\u6027\u80fd\u76ee\u6a19\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5149\u5165\u529b\u304c\u6052\u4e45\u7684\u306a\u640d\u50b7\u306e\u6050\u308c\u304c\u3042\u308b\u30ec\u30d9\u30eb\u306b\u9054\u3059\u308b\u306f\u308b\u304b\u4ee5\u524d\u304b\u3089\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3059\u3067\u306b\u904e\u8ca0\u8377\u72b6\u614b\u3068\u306a\u308a\u3001\u4fe1\u983c\u6027\u3092\u640d\u306a\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8b5375fa\">\u5177\u4f53\u7684\u306a\u4f8b\u3092\u6319\u3052\u308b\u3068\u3001\u30b7\u30b9\u30b3\u306e\u516c\u958b\u3055\u308c\u3066\u3044\u308bSFP-10G-ZR-I\u306e\u4ed5\u69d8\u8868\u306b\u306f\u3001\u53d7\u4fe1\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u304c-7dBm\u3001\u53d7\u4fe1\u640d\u50b7\u95be\u5024\u304c+5dBm\u3068\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u540c\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3067\u306f\u300140km\u672a\u6e80\u306e\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u56de\u7dda\u306b\u304a\u3044\u3066\u3001\u3053\u306e\u5149\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308b\u969b\u306f\u30a4\u30f3\u30e9\u30a4\u30f3\u6e1b\u8870\u5668\u304c\u5fc5\u8981\u3067\u3042\u308b\u3068\u898f\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002. <a href=\"https:\/\/www.cisco.com\/c\/en\/us\/products\/collateral\/interfaces-modules\/transceiver-modules\/data_sheet_c78-455693.html\" target=\"_blank\" rel=\"noopener\">Cisco 10GBASE SFP+ \u30e2\u30b8\u30e5\u30fc\u30eb \u30c7\u30fc\u30bf\u30b7\u30fc\u30c8<\/a><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-895d31dc\">\u3053\u308c\u3089\u306e\u5024\u306f\u3001\u305d\u306e\u7279\u5b9a\u306e\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u9069\u7528\u3055\u308c\u308b\u3082\u306e\u3067\u3042\u308a\u3001\u3059\u3079\u3066\u306eZR\u3001ER\u3001LR\u3001BiDi\u3001\u307e\u305f\u306f\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u9069\u7528\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-22533685\">\u4e21\u7aef\u306e\u6b63\u78ba\u306a\u90e8\u54c1\u756a\u53f7\u304a\u3088\u3073\u52d5\u4f5c\u30e2\u30fc\u30c9\u306b\u3064\u3044\u3066\u306f\u3001\u5fc5\u305a\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-1be28e22\">\u77ed\u8ddd\u96e2\u306e\u30ea\u30f3\u30af\u306b\u304a\u3044\u3066\u3001\u30ed\u30f3\u30b0\u30ea\u30fc\u30c1SFP\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u554f\u984c\u3068\u306a\u308b\u7406\u7531<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-62c794ef\">\u9577\u8ddd\u96e2\u7528\u5149\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u6e1b\u8870\u3001\u30b3\u30cd\u30af\u30bf\u640d\u5931\u3001\u30b9\u30d7\u30e9\u30a4\u30b9\u640d\u5931\u3001\u304a\u3088\u3073\u305d\u306e\u4ed6\u306e\u30ea\u30f3\u30af\u640d\u5931\u3092\u88dc\u3046\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u3001\u77ed\u8ddd\u96e2\u7528\u5149\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u6bd4\u3079\u3066\u3001\u3088\u308a\u591a\u304f\u306e\u51fa\u529b\u3092\u4f9b\u7d66\u3057\u3001\u3088\u308a\u9ad8\u611f\u5ea6\u306e\u53d7\u4fe1\u6a5f\u3092\u63a1\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c0725bd8\">\u60f3\u5b9a\u3055\u308c\u308b\u9577\u8ddd\u96e2\u7d4c\u8def\u3067\u306f\u3001\u30b1\u30fc\u30d6\u30eb\u8a2d\u5099\u306b\u3088\u3063\u3066\u3001\u4fe1\u53f7\u304c\u9060\u65b9\u306e\u53d7\u4fe1\u6a5f\u306b\u5230\u9054\u3059\u308b\u524d\u306b\u6e1b\u8870\u3057\u307e\u3059\u30021\u30e1\u30fc\u30c8\u30eb\u308410\u30e1\u30fc\u30c8\u30eb\u306e\u30c6\u30b9\u30c8\u7528\u30d1\u30c3\u30c1\u30b1\u30fc\u30d6\u30eb\u3067\u306f\u3001\u305d\u306e\u4e88\u60f3\u3055\u308c\u308b\u6e1b\u8870\u306e\u5927\u90e8\u5206\u304c\u89e3\u6d88\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-369a6212\">\u4e00\u65b9\u5411\u306b\u304a\u3051\u308b\u8fd1\u4f3c\u7684\u306a\u95a2\u4fc2\u5f0f\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-4a72caf3\"><strong>\u53d7\u4fe1\u96fb\u529b\uff08dBm\uff09\uff1d\u9001\u4fe1\u6a5f\u51fa\u529b\uff08dBm\uff09\u2212 \u7dcf\u4f1d\u9001\u640d\u5931\uff08dB\uff09<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-1ca70760\">\u9001\u4fe1\u6a5f\u306e\u5b9f\u969b\u306e\u51fa\u529b\u304c+1dBm\u3067\u3001\u4f1d\u9001\u7d4c\u8def\u5168\u4f53\u306e\u640d\u5931\u304c\u308f\u305a\u304b2dB\u3067\u3042\u308b\u3068\u4eee\u5b9a\u3059\u308b\u3068\uff1a<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-097da486\"><strong>+1dBm \u2212 2dB = -1dBm\uff08\u53d7\u4fe1\u96fb\u529b\uff09<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-903e3d02\">\u9060\u7aef\u53d7\u4fe1\u6a5f\u306e\u904e\u8ca0\u8377\u9650\u754c\u304c-7dBm\u306e\u5834\u5408\u3001\u305d\u306e\u5165\u529b\u306f\u898f\u5b9a\u306e\u6700\u5927\u52d5\u4f5c\u96fb\u529b\u306e6dB\u4e0a\u56de\u3063\u3066\u3044\u307e\u3059\u3002\u6b63\u5e38\u306a\u52d5\u4f5c\u3092\u671f\u5f85\u3059\u308b\u306b\u306f\u3001\u30ea\u30f3\u30af\u306b\u3055\u3089\u306a\u308b\u6e1b\u8870\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-a2f86b34\">40km\u308480km\u3068\u3044\u3063\u305f\u8ddd\u96e2\u8868\u793a\u3060\u3051\u3067\u306f\u3001\u5b89\u5168\u306a\u6700\u5c0f\u8ddd\u96e2\u304c\u308f\u304b\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u6c7a\u5b9a\u7684\u306a\u8981\u7d20\u3068\u306a\u308b\u306e\u306f\u3001\u9001\u4fe1\u6a5f\u306e\u51fa\u529b\u7bc4\u56f2\u3001\u53d7\u4fe1\u6a5f\u306e\u904e\u8ca0\u8377\u3001\u30b1\u30fc\u30d6\u30eb\u7cfb\u7d71\u306e\u640d\u5931\u3001\u304a\u3088\u3073\u30e1\u30fc\u30ab\u30fc\u304c\u898f\u5b9a\u3059\u308b\u6700\u5c0f\u6e1b\u8870\u91cf\u3067\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-d6d152a8\">\u5ea6\u6570\u306e\u9ad8\u3044\u773c\u93e1\u306e\u75c7\u72b6<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-2a209dad\">\u30ec\u30b7\u30fc\u30d0\u30fc\u306e\u904e\u8ca0\u8377\u306b\u3088\u3063\u3066\u3001\u5fc5\u305a\u3057\u3082\u540c\u3058\u75c7\u72b6\u304c\u73fe\u308c\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u30e2\u30b8\u30e5\u30fc\u30eb\u3084\u30db\u30b9\u30c8\u306b\u3088\u3063\u3066\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u73fe\u8c61\u304c\u898b\u3089\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DOM\/DDM \u30c7\u30fc\u30bf\u306b\u304a\u3051\u308b\u9ad8 Rx \u8b66\u544a\u307e\u305f\u306f\u30a2\u30e9\u30fc\u30e0<\/li>\n\n\n\n<li>\u30ea\u30f3\u30af\u306e\u30d5\u30e9\u30c3\u30d4\u30f3\u30b0\u3001\u307e\u305f\u306f\u5b89\u5b9a\u3057\u305f\u30ea\u30f3\u30af\u306e\u78ba\u7acb\u306b\u5931\u6557\u3059\u308b<\/li>\n\n\n\n<li>CRC\u3001FCS\u3001\u307e\u305f\u306f\u8a18\u53f7\u30a8\u30e9\u30fc<\/li>\n\n\n\n<li>\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u5897\u52a0\u306b\u4f34\u3044\u5897\u5927\u3059\u308b\u30d1\u30b1\u30c3\u30c8\u30ed\u30b9<\/li>\n\n\n\n<li>\u9577\u3044\u30b9\u30d7\u30fc\u30eb\u3067\u306f\u52d5\u4f5c\u3059\u308b\u304c\u3001\u77ed\u3044\u30d1\u30c3\u30c1\u30b3\u30fc\u30c9\u3067\u306f\u52d5\u4f5c\u3057\u306a\u3044\u30ea\u30f3\u30af<\/li>\n\n\n\n<li>\u9069\u5207\u306a\u6e1b\u8870\u5668\u3092\u633f\u5165\u3059\u308b\u3068\u89e3\u6d88\u3055\u308c\u308b\u554f\u984c<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-6fd4df88\">\u3053\u308c\u3089\u306e\u75c7\u72b6\u306f\u3001\u904e\u8ca0\u8377\u306e\u8a3c\u62e0\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u30b3\u30cd\u30af\u30bf\u306e\u6c5a\u308c\u3001\u6ce2\u9577\u306e\u4e0d\u4e00\u81f4\u3001\u8ee2\u9001\u901f\u5ea6\u306e\u4e0d\u4e00\u81f4\u3001\u6975\u6027\u306e\u4e0d\u5099\u3001\u30db\u30b9\u30c8\u3068\u306e\u975e\u4e92\u63db\u6027\u3001\u904e\u5927\u306a\u640d\u5931\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u6545\u969c\u306a\u3069\u3082\u3001\u540c\u69d8\u306e\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-f6f6a385\">\u53d7\u4fe1\u96fb\u529b\u3092\u53d7\u4fe1\u6a5f\u306e\u6b63\u78ba\u306a\u4ed5\u69d8\u3068\u6bd4\u8f03\u3057\u3066\u521d\u3081\u3066\u3001\u305d\u306e\u8a3a\u65ad\u7d50\u679c\u306f\u4fe1\u983c\u3067\u304d\u308b\u3082\u306e\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-6517307c\"><\/p>\n\n\n\n<div class=\"wp-block-wd-image wd-block-image wd-cca1e2a8\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" class=\"wp-image-22002\" src=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-attenuator-calculation-workflow.png\" alt=\"\" title=\"\" srcset=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-attenuator-calculation-workflow.png 1000w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-attenuator-calculation-workflow-800x800.png 800w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-attenuator-calculation-workflow-400x400.png 400w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-attenuator-calculation-workflow-768x768.png 768w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-attenuator-calculation-workflow-12x12.png 12w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/sfp-attenuator-calculation-workflow-150x150.png 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/div>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-d358cf04\">Rx\u306e\u96fb\u529b\u304c\u904e\u5927\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-49a4fcc9\">1. \u4e21\u65b9\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u30e2\u30c7\u30eb\u3092\u8a18\u9332\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-53e654d7\">\u5404\u7aef\u5b50\u306e\u30b9\u30a4\u30c3\u30c1\u307e\u305f\u306fNIC\u3001\u30dd\u30fc\u30c8\u3001\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3001\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u306e\u90e8\u54c1\u756a\u53f7\u3001\u304a\u3088\u3073\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30ea\u30d3\u30b8\u30e7\u30f3\u3092\u6b63\u78ba\u306b\u66f8\u304d\u7559\u3081\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-932cf5b3\">\u300c80km SFP+\u300d\u3068\u3044\u3063\u305f\u4e00\u822c\u7684\u306a\u8a18\u8ff0\u3060\u3051\u3092\u9d5c\u5451\u307f\u306b\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u201c<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-239e71b1\">2. \u5149\u5b66\u4ed5\u69d8\u8868\u3092\u63a2\u3059<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d9ab35d4\">\u5404\u65b9\u5411\u306b\u3064\u3044\u3066\u3001\u4ee5\u4e0b\u306e\u4f4d\u7f6e\u3092\u7279\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9001\u4fe1\u6a5f\u306e\u51fa\u529b\u306e\u6700\u5c0f\u5024\u304a\u3088\u3073\u6700\u5927\u5024<\/li>\n\n\n\n<li>\u53d7\u4fe1\u611f\u5ea6<\/li>\n\n\n\n<li>\u53d7\u4fe1\u6a5f\u306e\u904e\u8ca0\u8377\u3001\u307e\u305f\u306f\u53d7\u4fe1\u6a5f\u306e\u6700\u5927\u5165\u529b<\/li>\n\n\n\n<li>\u640d\u5bb3\u95be\u5024\uff08\u6307\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\uff09<\/li>\n\n\n\n<li>\u52d5\u4f5c\u6ce2\u9577<\/li>\n\n\n\n<li>\u6307\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306e\u3001\u5fc5\u8981\u306a\u6700\u5c0f\u6e1b\u8870\u91cf<\/li>\n\n\n\n<li>\u30ec\u30fc\u30c8\u3001BER\u3001\u6e29\u5ea6\u3001FEC\u306a\u3069\u3001\u5024\u306b\u4ed8\u968f\u3059\u308b\u6761\u4ef6<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-cf51ddc3\">2\u3064\u306e\u65b9\u5411\u3067\u306f\u3001\u7279\u306bBiDi\u30ea\u30f3\u30af\u306e\u5834\u5408\u3001\u7570\u306a\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u3084\u6ce2\u9577\u304c\u4f7f\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u305d\u308c\u305e\u308c\u500b\u5225\u306b\u8a08\u7b97\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-5b0d619f\">3. DOM\/DDM\u306e\u5024\u3092\u8aad\u307f\u53d6\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-f1ecfc4e\">\u591a\u304f\u306e\u30de\u30cd\u30fc\u30b8\u30c9\u30db\u30b9\u30c8\u3067\u306f\u3001\u9001\u4fe1\u96fb\u529b\uff08TX\uff09\u3068\u53d7\u4fe1\u96fb\u529b\uff08RX\uff09\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002LuLeey\u306e <a href=\"https:\/\/www.luleey.com\/ja\/what-is-ddm-dom-in-sfp-transceivers\/\">DDM\/DOM \u30ac\u30a4\u30c9<\/a> \u8a3a\u65ad\u9805\u76ee\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-4efaaccc\">\u540c\u3058\u65b9\u5411\u306b\u3064\u3044\u3066\u3001\u30ea\u30e2\u30fc\u30c8\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u9001\u4fe1\u96fb\u529b\u3068\u30ed\u30fc\u30ab\u30eb\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u53d7\u4fe1\u96fb\u529b\u3092\u6bd4\u8f03\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-5e47afb0\">\u30e2\u30b8\u30e5\u30fc\u30eb\u81ea\u8eab\u306eTX\u304a\u3088\u3073RX\u306e\u6e2c\u5b9a\u5024\u3092\u3001\u3042\u305f\u304b\u3082\u305d\u308c\u3089\u304c1\u3064\u306e\u7d4c\u8def\u306b\u5c5e\u3057\u3066\u3044\u308b\u304b\u306e\u3088\u3046\u306b\u5dee\u3057\u5f15\u3044\u3066\u306f\u306a\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u3089\u306f\u76f8\u53cd\u3059\u308b\u4f1d\u9001\u65b9\u5411\u3092\u8868\u3057\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-8ce0444b\">4. \u6c7a\u5b9a\u304c\u91cd\u8981\u306a\u5c40\u9762\u3067\u6e2c\u5b9a\u3092\u884c\u3046<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-2bdb6752\">DDM\u306f\u76e3\u8996\u306b\u6709\u7528\u3067\u3059\u304c\u3001\u305d\u306e\u7cbe\u5ea6\u306f\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u5b9f\u88c5\u3084\u6821\u6b63\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-f878bdf7\">\u8a2d\u7f6e\u306e\u691c\u53ce\u6642\u3001\u7570\u5e38\u306a\u30a2\u30e9\u30fc\u30e0\u3084\u9ad8\u30ea\u30b9\u30af\u306e\u5165\u529b\u306b\u3064\u3044\u3066\u306f\u3001\u5b9f\u969b\u306e\u6ce2\u9577\u306b\u8a2d\u5b9a\u3055\u308c\u305f\u9069\u5207\u306a\u5149\u30d1\u30ef\u30fc\u30e1\u30fc\u30bf\u30fc\u3092\u7528\u3044\u3066\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-45b505df\">\u901a\u96fb\u4e2d\u306e\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u3092\u53d6\u308a\u5916\u3059\u3068\u3001\u901a\u4fe1\u304c\u4e2d\u65ad\u3055\u308c\u3001\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u5149\u30b3\u30cd\u30af\u30bf\u304c\u9732\u51fa\u3057\u307e\u3059\u3002\u30ec\u30fc\u30b6\u30fc\u5b89\u5168\u304a\u3088\u3073\u6a5f\u5668\u306e\u53d6\u308a\u6271\u3044\u624b\u9806\u306b\u5f93\u3044\u3001\u7aef\u9762\u3092\u6e05\u6f54\u306b\u4fdd\u3061\u3001\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u3084\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u306e\u5185\u90e8\u3092\u7d76\u5bfe\u306b\u8997\u304d\u8fbc\u307e\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-6a7e85d2\">5. \u7d50\u679c\u3092\u52d5\u4f5c\u30a6\u30a3\u30f3\u30c9\u30a6\u3068\u6bd4\u8f03\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ad69a276\">\u53d7\u4fe1\u96fb\u529b\u306f\u3001\u611f\u5ea6\u9650\u754c\u5024\u3088\u308a\u4e0a\u304b\u3064\u904e\u8ca0\u8377\u9650\u754c\u5024\u3088\u308a\u4e0b\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u4ee5\u4e0b\u306e\u9805\u76ee\u306b\u3064\u3044\u3066\u306f\u8a2d\u8a08\u4e0a\u306e\u4f59\u88d5\u3092\u6301\u305f\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6e2c\u5b9a\u306e\u4e0d\u78ba\u304b\u3055<\/li>\n\n\n\n<li>\u6c17\u6e29\u306e\u5909\u5316<\/li>\n\n\n\n<li>\u90e8\u54c1\u306e\u7d4c\u5e74\u52a3\u5316<\/li>\n\n\n\n<li>\u4fee\u7406\u304a\u3088\u3073\u518d\u63a5\u7d9a<\/li>\n\n\n\n<li>\u4eca\u5f8c\u306e\u9032\u8def\u306e\u5909\u66f4<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8d548eb4\">\u3069\u3061\u3089\u306e\u5883\u754c\u7dda\u306b\u3082\u3074\u3063\u305f\u308a\u3068\u91cd\u306a\u308b\u3088\u3046\u306b\u6052\u4e45\u7684\u306a\u30ea\u30f3\u30af\u3092\u8a2d\u8a08\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-5f35e141\">\u5fc5\u8981\u306a\u6e1b\u8870\u5668\u306e\u8a08\u7b97\u65b9\u6cd5<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-36c82a65\">\u53d7\u4fe1\u6a5f\u306e\u52d5\u4f5c\u7bc4\u56f2\u5185\u306b\u78ba\u5b9f\u306b\u53ce\u307e\u308b\u76ee\u6a19\u53d7\u4fe1\u96fb\u529b\u3092\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8b66b3f0\">\u5358\u4f4d\u306b\u99b4\u67d3\u307f\u304c\u306a\u3044\u5834\u5408\u306f\u3001LuLeey\u306e <a href=\"https:\/\/www.luleey.com\/ja\/db-vs-dbm-in-fiber-optics-a-simple-guide\/\">\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u30ac\u30a4\u30c9\uff1adB\u3068dBm\u306e\u9055\u3044<\/a> \u307e\u305a\u3001dBm\u306f\u7d76\u5bfe\u7684\u306a\u5149\u30d1\u30ef\u30fc\u30ec\u30d9\u30eb\u3092\u8868\u3059\u306e\u306b\u5bfe\u3057\u3001dB\u306f\u5897\u6e1b\u3092\u8868\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d2e5277f\"><strong>\u5fc5\u8981\u306a\u6e1b\u8870\u91cf\uff08dB\uff09\uff1d \u6e2c\u5b9a\u3055\u308c\u305f\u53d7\u4fe1\u96fb\u529b\uff08dBm\uff09 \u2212 \u76ee\u6a19\u53d7\u4fe1\u96fb\u529b\uff08dBm\uff09<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c2c20bc2\">\u4f8b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6e2c\u5b9a\u3055\u308c\u305f\u9001\u4fe1\u51fa\u529b\uff1a-3dBm<\/li>\n\n\n\n<li>\u53d7\u4fe1\u6a5f\u306e\u904e\u8ca0\u8377\u9650\u754c\uff1a-7dBm<\/li>\n\n\n\n<li>\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u4ed5\u69d8\u3068\u30ea\u30f3\u30af\u30de\u30fc\u30b8\u30f3\u3092\u78ba\u8a8d\u3057\u305f\u4e0a\u3067\u3001\u4ee5\u4e0b\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u3092\u9078\u5b9a\u3057\u307e\u3057\u305f\uff1a-10dBm<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-fd4fa068\"><strong>\u5fc5\u8981\u306a\u6e1b\u8870\u91cf = -3 \u2212 (-10) = 7dB<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-7b47d989\">7dB\u306e\u6e1b\u8870\u304c\u3042\u308b\u3068\u3001\u6e2c\u5b9a\u5024\u306f\u7d04-3dBm\u304b\u3089-10dBm\u3078\u3068\u5909\u5316\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ce3d0b79\"><strong>-3dBm \u2212 7dB = -10dBm<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-f2f7fc69\">\u3053\u306e\u4f8b\u306e\u76ee\u6a19\u5024\u306f\u3042\u304f\u307e\u3067\u4e00\u4f8b\u3067\u3042\u308a\u3001\u666e\u904d\u7684\u306a\u63a8\u5968\u5024\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5b9f\u969b\u306e\u76ee\u6a19\u5024\u306f\u3001\u60f3\u5b9a\u3055\u308c\u308b\u3059\u3079\u3066\u306e\u5909\u52d5\u3092\u8003\u616e\u3057\u305f\u5f8c\u3082\u3001\u53d7\u4fe1\u6a5f\u306e\u611f\u5ea6\u3092\u4e0a\u56de\u3063\u3066\u3044\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-45404875\">\u8a2d\u8a08\u6bb5\u968e\u3067\u306e\u6700\u60aa\u30b1\u30fc\u30b9\u306e\u691c\u8a3c\u306b\u306f\u3001\u9001\u4fe1\u6a5f\u306e\u6700\u5927\u51fa\u529b\u3068\u3001\u30b1\u30fc\u30d6\u30eb\u8a2d\u5099\u306e\u4e88\u60f3\u3055\u308c\u308b\u6700\u5c0f\u640d\u5931\u5024\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-71c3f323\"><strong>\u4e88\u60f3\u3055\u308c\u308b\u6700\u5927\u53d7\u4fe1\u96fb\u529b\uff08Rx\uff09\uff1d\u6700\u5927\u9001\u4fe1\u51fa\u529b\uff08TX\uff09\u2212\u6700\u5c0f\u7d4c\u8def\u640d\u5931<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8cd1b92b\">\u9078\u629e\u3057\u305f\u6e1b\u8870\u5668\u3092\u8ffd\u52a0\u3057\u305f\u5f8c\u3082\u3001\u4e88\u60f3\u3055\u308c\u308b\u6700\u5927\u53d7\u4fe1\u96fb\u529b\u304c\u904e\u8ca0\u8377\u9650\u754c\u3092\u4e0b\u56de\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-865e2346\">\u307e\u305f\u3001\u4e88\u7b97\u306e\u4f59\u88d5\u306e\u306a\u3044\u90e8\u5206\u306b\u3064\u3044\u3066\u3082\u691c\u8a3c\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-fc27fc80\"><strong>\u4e88\u60f3\u3055\u308c\u308b\u6700\u5c0f\u53d7\u4fe1\u96fb\u529b\uff08Rx\uff09\uff1d \u6700\u5c0f\u9001\u4fe1\u96fb\u529b\uff08TX\uff09 \u2212 \u6700\u5927\u4f1d\u9001\u640d\u5931 \u2212 \u6e1b\u8870\u5668\u306e\u640d\u5931<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-f4f30421\">\u4e88\u60f3\u3055\u308c\u308b\u6700\u3082\u5f31\u3044Rx\u306f\u3001\u5fc5\u8981\u306a\u30b7\u30b9\u30c6\u30e0\u30de\u30fc\u30b8\u30f3\u3092\u78ba\u4fdd\u3057\u305f\u4e0a\u3067\u3001\u611f\u5ea6\u3092\u4e0a\u56de\u3063\u3066\u3044\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-3aa1a5b0\">\u5f37\u3044\u30b1\u30fc\u30b9\u3067\u306f\u6b63\u3057\u304f\u52d5\u4f5c\u3059\u308b\u304c\u3001\u5f31\u3044\u30b1\u30fc\u30b9\u3067\u306f\u52d5\u4f5c\u3057\u306a\u3044\u6e1b\u8870\u5668\u306f\u3001\u6709\u52b9\u306a\u8a2d\u8a08\u3068\u306f\u8a00\u3048\u306a\u3044\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-76043871\">\u5149\u6e1b\u8870\u5668\u306e\u8a2d\u7f6e\u5834\u6240<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-325b3d07\">\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u5354\u4f1a\u306f\u3001\u6e1b\u8870\u5668\u3092\u53d7\u4fe1\u6a5f\u306e\u8fd1\u304f\u306b\u8a2d\u7f6e\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u6700\u7d42\u7684\u306a\u53d7\u4fe1\u96fb\u529b\u3092\u6e2c\u5b9a\u3057\u3084\u3059\u304f\u306a\u308b\u307b\u304b\u3001\u6e1b\u8870\u5668\u306b\u3088\u308b\u53cd\u5c04\u5149\u304c\u9001\u4fe1\u6a5f\u306b\u5c4a\u304f\u306e\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002. <a href=\"https:\/\/www.thefoa.org\/tech\/ref\/appln\/attenuators.html\" target=\"_blank\" rel=\"noopener\">FOA\u6e1b\u8870\u5668\u306b\u95a2\u3059\u308b\u6307\u91dd<\/a><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d3c68554\">\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u63a5\u7d9a\u306e\u5834\u5408\u3001\u5404\u65b9\u5411\u3054\u3068\u306b\u72ec\u81ea\u306e\u9001\u4fe1\u6a5f\u3001\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u7d4c\u8def\u3001\u304a\u3088\u3073\u53d7\u4fe1\u6a5f\u304c\u8a2d\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u4e00\u65b9\u306e\u53d7\u4fe1\u6a5f\u3067\u306f\u6e1b\u8870\u51e6\u7406\u304c\u5fc5\u8981\u3068\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u53cd\u5bfe\u65b9\u5411\u3067\u306f\u5fc5\u8981\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-458dcaa6\">\u4e21\u65b9\u5411\u306e\u4fe1\u53f7\u304c\u5f37\u3059\u304e\u308b\u5834\u5408\u306f\u3001\u5404\u53d7\u4fe1\u7d4c\u8def\u306b\u3064\u3044\u3066\u500b\u5225\u306b\u8a08\u7b97\u3092\u884c\u3044\u3001\u6e1b\u8870\u3055\u305b\u308b\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-7a1f5d62\">BiDi\u30ea\u30f3\u30af\u306e\u5834\u5408\u3001\u4e21\u65b9\u5411\u3068\u3082\u7570\u306a\u308b\u6ce2\u9577\u30671\u672c\u306e\u30d5\u30a1\u30a4\u30d0\u3092\u5171\u6709\u3057\u307e\u3059\u3002\u30a4\u30f3\u30e9\u30a4\u30f3\u306e\u30a2\u30c3\u30c6\u30cd\u30fc\u30bf1\u3064\u304c\u3001\u4e21\u65b9\u306e\u6ce2\u9577\u3068\u4e21\u65b9\u5411\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d86819e2\">\u6e1b\u8870\u5668\u306e\u6ce2\u9577\u7bc4\u56f2\u3092\u78ba\u8a8d\u3057\u3001\u8ffd\u52a0\u640d\u5931\u304c\u3042\u3063\u3066\u3082\u4e21\u65b9\u306e\u53d7\u4fe1\u6a5f\u304c\u52d5\u4f5c\u7bc4\u56f2\u5185\u306b\u53ce\u307e\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-f53f31f3\">\u56fa\u5b9a\u5f0f\u304b\u53ef\u5909\u5f0f\u306e\u30a2\u30c3\u30c6\u30cd\u30fc\u30bf\u30fc\u304b\uff1f<\/h2>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-d385f355\">\u56fa\u5b9a\u6e1b\u8870\u5668<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-480f2436\">\u56fa\u5b9a\u6e1b\u8870\u5668\u306f\u3001\u3042\u3089\u304b\u3058\u3081\u6c7a\u3081\u3089\u308c\u305f\u6e1b\u8870\u91cf\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u5fc5\u8981\u306a\u5024\u304c\u8a08\u7b97\u30fb\u691c\u8a3c\u3055\u308c\u305f\u5f8c\u306f\u3001\u6052\u4e45\u7684\u306a\u8a2d\u7f6e\u306b\u304a\u3044\u3066\u3001\u901a\u5e38\u3001\u3088\u308a\u7c21\u4fbf\u3067\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-33d22c2e\">\u53ef\u5909\u6e1b\u8870\u5668<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-1df90779\">\u53ef\u5909\u6e1b\u8870\u5668\u306f\u3001\u5b9f\u9a13\u5ba4\u3067\u306e\u8a66\u9a13\u3001\u5b89\u5b9a\u3057\u305f\u76ee\u6a19\u5024\u306e\u7279\u5b9a\u3001\u3042\u308b\u3044\u306f\u3055\u307e\u3056\u307e\u306a\u30ea\u30f3\u30af\u640d\u5931\u306e\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8c812458\">\u8abf\u6574\u5f8c\u306f\u3001\u30c0\u30a4\u30e4\u30eb\u306e\u8868\u793a\u3084\u516c\u79f0\u8a2d\u5b9a\u5024\u3060\u3051\u3092\u9d5c\u5451\u307f\u306b\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u5b9f\u969b\u306b\u53d7\u4fe1\u3057\u3066\u3044\u308b\u96fb\u529b\u3092\u6e2c\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-a4ff522f\">LuLeey\u306f\u3001\u3042\u308b\u3082\u306e\u3092\u63b2\u8f09\u3057\u3066\u3044\u307e\u3059\u3002 <a href=\"https:\/\/www.luleey.com\/ja\/product\/lc-upc-adjustable-attenuator\/\">LC UPC \u53ef\u5909\u6e1b\u8870\u5668<\/a> 1310\uff5e1550nm\u306e\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u6ce2\u9577\u306b\u5bfe\u3057\u3066\u30010\uff5e30dB\u306e\u8abf\u6574\u304c\u53ef\u80fd\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-7419b18c\">\u305d\u306e\u30da\u30fc\u30b8\u306b\u306f1270nm\u30011577nm\u3001\u304a\u3088\u3073\u3059\u3079\u3066\u306eCWDM\u6ce2\u9577\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u8a18\u8f09\u3055\u308c\u305f\u7bc4\u56f2\u5916\u3067\u306e\u4f7f\u7528\u306b\u9069\u3057\u3066\u3044\u308b\u3068\u60f3\u5b9a\u3059\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-0b0aaccf\">LuLeey\u2019s <a href=\"https:\/\/www.luleey.com\/ja\/product-category\/optical-connector\/optical-attenuator\/\">\u5149\u6e1b\u8870\u5668\u30ab\u30c6\u30b4\u30ea<\/a> \u3055\u307e\u3056\u307e\u306a\u30b3\u30cd\u30af\u30bf\u3084\u7814\u78e8\u30bf\u30a4\u30d7\u3092\u5099\u3048\u305f\u3001\u56fa\u5b9a\u5f0f\u304a\u3088\u3073\u8abf\u6574\u5f0f\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-e4701fbd\">\u65e2\u5b58\u306eLC\u3001SC\u3001\u307e\u305f\u306fFC\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304a\u3088\u3073UPC\u307e\u305f\u306fAPC\u306e\u7814\u78e8\u4ed5\u4e0a\u3052\u306b\u5408\u308f\u305b\u3066\u304f\u3060\u3055\u3044\u3002UPC\u3068APC\u3092\u76f4\u63a5\u63a5\u7d9a\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-8a062108\">\u907f\u3051\u308b\u3079\u304d\u3088\u304f\u3042\u308b\u9593\u9055\u3044<\/h2>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-2ddf4711\">\u8ddd\u96e2\u306e\u307f\u306b\u57fa\u3065\u3044\u3066\u6e1b\u8870\u91cf\u3092\u9078\u629e\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-2fea0e3f\">\u201c\u300c1km\u306e\u30ea\u30f3\u30af\u306b\u304a\u3051\u308b80km\u30e2\u30b8\u30e5\u30fc\u30eb\u300d\u3068\u3044\u3046\u8a18\u8ff0\u306f\u3001\u6f5c\u5728\u7684\u306a\u30ea\u30b9\u30af\u3092\u793a\u5506\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u5fc5\u8981\u306a\u640d\u5931\u91cf\u306f\u7b97\u51fa\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u5b9f\u969b\u306e\u4ed5\u69d8\u3068\u6e2c\u5b9a\u5024\u306b\u57fa\u3065\u3044\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-1f70fdf7\">\u3059\u3079\u3066\u306e\u300cRx\u300d\u30a2\u30e9\u30fc\u30e0\u3092\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u640d\u50b7\u3068\u3057\u3066\u6271\u3046<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-59aa76fa\">\u904e\u8ca0\u8377\u30a2\u30e9\u30fc\u30e0\u306f\u3001\u5165\u529b\u304c\u52d5\u4f5c\u7bc4\u56f2\u5916\u306b\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u5fc5\u305a\u3057\u3082\u6052\u4e45\u7684\u306a\u640d\u50b7\u304c\u751f\u3058\u305f\u3053\u3068\u3092\u610f\u5473\u3059\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-bb61780f\">\u5225\u9014\u5b9a\u3081\u3089\u308c\u305f\u640d\u50b7\u95be\u5024\u3092\u78ba\u8a8d\u3057\u3001\u30e1\u30fc\u30ab\u30fc\u306e\u6307\u793a\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-50bffeba\">\u611f\u5ea6\u3092\u78ba\u8a8d\u305b\u305a\u306b\u5927\u5bb9\u91cf\u306e\u30a2\u30c3\u30c6\u30cd\u30fc\u30bf\u30fc\u3092\u8ffd\u52a0\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-2bd8d6d0\">\u640d\u5931\u304c\u5927\u304d\u3059\u304e\u308b\u3068\u3001\u53d7\u4fe1\u6a5f\u306f\u904e\u8ca0\u8377\u72b6\u614b\u304b\u3089\u96fb\u529b\u4e0d\u8db3\u72b6\u614b\u306b\u79fb\u884c\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4e88\u60f3\u3055\u308c\u308b\u6700\u3082\u53b3\u3057\u3044\u6761\u4ef6\u3068\u6700\u3082\u7de9\u3084\u304b\u306a\u6761\u4ef6\u306e\u4e21\u65b9\u3092\u7b97\u51fa\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-3e10586a\">\u8aa4\u3063\u305f\u65b9\u5411\u3078\u306e\u6e1b\u8870<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-74071cae\">\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u3067\u306f\u3001\u9060\u7aef\u306e\u9001\u4fe1\uff08TX\uff09\u304b\u3089\u8fd1\u7aef\u306e\u53d7\u4fe1\uff08RX\uff09\u307e\u3067\u306e\u7d4c\u8def\u3092\u8ffd\u8de1\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5404\u65b9\u5411\u306b\u3064\u3044\u3066\u500b\u5225\u306b\u8a55\u4fa1\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-e408280f\">\u6ce2\u9577\u304a\u3088\u3073\u30b3\u30cd\u30af\u30bf\u306e\u7814\u78e8\u72b6\u614b\u3092\u7121\u8996\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-60c84475\">\u6e1b\u8870\u5668\u306f\u3001\u52d5\u4f5c\u6ce2\u9577\u306b\u5bfe\u5fdc\u3057\u3001\u30b3\u30cd\u30af\u30bf\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3068\u9069\u5408\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002dB\u5024\u304c\u6b63\u3057\u304f\u3066\u3082\u3001\u305d\u306e\u90e8\u54c1\u81ea\u4f53\u304c\u9069\u5207\u3067\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-5a51f777\">\u9023\u643a\u3060\u3051\u306b\u983c\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-37ca634d\">\u30ea\u30f3\u30afLED\u304c\u70b9\u706f\u3057\u3066\u3044\u308b\u304b\u3089\u3068\u3044\u3063\u3066\u3001\u5149\u30de\u30fc\u30b8\u30f3\u304c\u5065\u5168\u3067\u3042\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u5b9f\u969b\u306e\u901f\u5ea6\u3001\u30a2\u30e9\u30fc\u30e0\u3001\u53d7\u4fe1\u96fb\u529b\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3001\u30d1\u30b1\u30c3\u30c8\u30a8\u30e9\u30fc\u3001\u304a\u3088\u3073\u518d\u8d77\u52d5\u6642\u306e\u6319\u52d5\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-f6c60103\">\u5b89\u5168\u78ba\u8a8d\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e21\u7aef\u306e\u6b63\u78ba\u306a\u30db\u30b9\u30c8\u304a\u3088\u3073\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u90e8\u54c1\u756a\u53f7\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u73fe\u5728\u306e\u30dd\u30fc\u30c8\u8a2d\u5b9a\u3001DOM\u306e\u6e2c\u5b9a\u5024\u3001\u304a\u3088\u3073\u30a8\u30e9\u30fc\u30ab\u30a6\u30f3\u30bf\u30fc\u3092\u4fdd\u5b58\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li>\u611f\u5ea6\u3001\u904e\u8ca0\u8377\u3001\u640d\u50b7\u95be\u5024\u3001\u304a\u3088\u3073TX\u51fa\u529b\u306e\u4ed5\u69d8\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u4e21\u65b9\u5411\u3092\u5225\u3005\u306b\u8a08\u7b97\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3001\u5b9f\u969b\u306e\u6ce2\u9577\u306b\u304a\u3051\u308b\u53d7\u4fe1\u96fb\u529b\u3092\u6e2c\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u6ce2\u9577\u3001\u30d5\u30a1\u30a4\u30d0\u30fc\u30e2\u30fc\u30c9\u3001\u30b3\u30cd\u30af\u30bf\u3001\u304a\u3088\u3073\u7814\u78e8\u4ed5\u4e0a\u3052\u306b\u9069\u5408\u3059\u308b\u6e1b\u8870\u5668\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u30b7\u30b9\u30c6\u30e0\u30d9\u30f3\u30c0\u30fc\u304b\u3089\u7279\u306b\u6307\u5b9a\u304c\u306a\u3044\u9650\u308a\u3001\u53d7\u4fe1\u6a5f\u306e\u8fd1\u304f\u306b\u8a2d\u7f6e\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u691c\u67fb\u304a\u3088\u3073\u6d17\u6d44\u6e08\u307f\u306e\u7aef\u9762\u3092\u518d\u5ea6\u63a5\u7d9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>Rx\u96fb\u529b\u304c\u52d5\u4f5c\u7bc4\u56f2\u5185\u306b\u5b89\u5168\u306b\u53ce\u307e\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u30ab\u30a6\u30f3\u30bf\u3092\u30af\u30ea\u30a2\u3057\u3001\u53cc\u65b9\u5411\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u901a\u904e\u3055\u305b\u3001\u6642\u9593\u306e\u7d4c\u904e\u306b\u4f34\u3046\u30a8\u30e9\u30fc\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li>\u6a5f\u5668\u306e\u53d6\u308a\u6271\u3044\u624b\u9806\u306b\u5f93\u3063\u3066\u518d\u8d77\u52d5\u307e\u305f\u306f\u518d\u88c5\u7740\u3092\u884c\u3044\u3001\u30ea\u30f3\u30af\u304c\u6b63\u5e38\u306b\u5fa9\u5e30\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u6700\u7d42\u7684\u306a\u6e1b\u8870\u5668\u306e\u5024\u3001\u8a2d\u7f6e\u4f4d\u7f6e\u3001\u304a\u3088\u3073\u6e2c\u5b9a\u3055\u308c\u305f\u96fb\u529b\u3092\u8a18\u9332\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-61dfd8c0\">\u6700\u7d42\u7684\u306a\u7b54\u3048<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-bbede694\">\u5149\u30d1\u30ef\u30fc\u304c\u9ad8\u3059\u304e\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002SFP\u30ec\u30b7\u30fc\u30d0\u30fc\u306b\u306f\u3001\u6240\u5b9a\u306e\u52d5\u4f5c\u7bc4\u56f2\u5185\u306e\u5149\u304c\u5fc5\u8981\u3067\u3059\u3002\u3064\u307e\u308a\u3001\u611f\u5ea6\u4ee5\u4e0a\u3067\u3042\u308a\u306a\u304c\u3089\u3001\u30ec\u30b7\u30fc\u30d0\u30fc\u306e\u904e\u8ca0\u8377\u4ee5\u4e0b\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph 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