{"id":23308,"date":"2026-11-01T23:32:20","date_gmt":"2026-11-01T15:32:20","guid":{"rendered":"https:\/\/www.luleey.com\/?p=23308"},"modified":"2026-11-01T23:32:22","modified_gmt":"2026-11-01T15:32:22","slug":"fusion-splicer-loss-estimate-vs-otdr-why-0-00-db-can-still-fail","status":"publish","type":"post","link":"https:\/\/www.luleey.com\/ja\/fusion-splicer-loss-estimate-vs-otdr-why-0-00-db-can-still-fail\/","title":{"rendered":"\u878d\u7740\u63a5\u7d9a\u6a5f\u306e\u640d\u5931\u63a8\u5b9a\u5024\u3068OTDR\u306e\u6bd4\u8f03\uff1a\u306a\u305c0.00 dB\u3067\u3082\u63a5\u7d9a\u4e0d\u826f\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308b\u306e\u304b"},"content":{"rendered":"<p class=\"wp-block-wd-paragraph wd-096e0f3f\">A <strong><a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/fusion-splicer\/\" title=\"\u300c\u878d\u7740\u63a5\u7d9a\u6a5f\u300d\u306e\u3059\u3079\u3066\u306e\u6295\u7a3f\u3092\u8868\u793a\">\u878d\u7740\u6a5f<\/a> \u640d\u5931\u306e\u898b\u7a4d\u3082\u308a<\/strong> 0.00 dB\u306e\u5834\u5408\u3001\u7d99\u304e\u76ee\u306f\u5b8c\u74a7\u306b\u898b\u3048\u308b\u3002\u3059\u308b\u3068\u3001 <a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/otdr\/\" title=\"OTDR \u306e\u6295\u7a3f\u3092\u3059\u3079\u3066\u8868\u793a\">OTDR<\/a> \u540c\u3058\u6e2c\u5b9a\u5730\u70b9\u3067\u30010.30 dB\u30010.50 dB\u3001\u3042\u308b\u3044\u306f\u8ca0\u306e\u5024\u3067\u3042\u308b\u300c\u30b2\u30a4\u30f3\u5897\u52a0\u300d\u3055\u3048\u3082\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3069\u306e\u6570\u5024\u3092\u4fe1\u7528\u3059\u3079\u304d\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-70feb939\">\u307e\u305a\u3001\u5404\u6e2c\u5b9a\u5668\u304c\u5b9f\u969b\u306b\u4f55\u3092\u6e2c\u5b9a\u3057\u3066\u3044\u308b\u306e\u304b\u3092\u660e\u78ba\u306b\u3057\u307e\u3057\u3087\u3046\u3002\u30b9\u30d7\u30e9\u30a4\u30b5\u30fc\u306f\u3001\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u753b\u50cf\u3068\u5185\u90e8\u30e2\u30c7\u30eb\u306b\u57fa\u3065\u3044\u3066\u63a8\u5b9a\u5024\u3092\u7b97\u51fa\u3057\u307e\u3059\u3002OTDR\u306f\u3001\u5f8c\u65b9\u6563\u4e71\u5149\u304b\u3089\u30a4\u30d9\u30f3\u30c8\u640d\u5931\u3092\u63a8\u5b9a\u3057\u307e\u3059\u3002\u5149\u6e90\u3068\u30d1\u30ef\u30fc\u30e1\u30fc\u30bf\u30fc\u306f\u3001\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u306e\u7dcf\u633f\u5165\u640d\u5931\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u5024\u306f\u95a2\u9023\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u4e92\u3044\u306b\u7f6e\u304d\u63db\u3048\u53ef\u80fd\u3068\u3044\u3046\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/11\/image.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/11\/image.png\" alt=\"\" class=\"wp-image-23309\" title=\"\" srcset=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/11\/image.png 1000w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/11\/image-800x800.png 800w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/11\/image-400x400.png 400w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/11\/image-768x768.png 768w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/11\/image-12x12.png 12w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/11\/image-150x150.png 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-d7b6ab52\">\u306a\u305c\u878d\u7740\u63a5\u7d9a\u6a5f\u306e\u640d\u5931\u63a8\u5b9a\u5024\u304c0.00 dB\u3068\u8868\u793a\u3055\u308c\u308b\u306e\u304b<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-564663f2\">\u901a\u5e38\u3001\u878d\u7740\u63a5\u7d9a\u6a5f\u306f\u3001\u6e96\u5099\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30d0\u30fc\u7aef\u9762\u3092\u89b3\u5bdf\u3057\u3001\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u4f4d\u7f6e\u5408\u308f\u305b\u3092\u884c\u3044\u3001\u30a2\u30fc\u30af\u3092\u767a\u751f\u3055\u305b\u3001\u305d\u306e\u7d50\u679c\u5f97\u3089\u308c\u305f\u753b\u50cf\u3092\u5206\u6790\u3057\u307e\u3059\u3002\u6a5f\u7a2e\u306b\u3088\u3063\u3066\u306f\u3001\u53ef\u8996\u7684\u306a\u30b3\u30a2\u3084\u30af\u30e9\u30c3\u30c9\u306e\u30aa\u30d5\u30bb\u30c3\u30c8\u3001\u5207\u65ad\u72b6\u614b\u3001\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u5f62\u72b6\u3001\u30a2\u30fc\u30af\u30c7\u30fc\u30bf\u3001\u304a\u3088\u3073\u5185\u90e8\u640d\u5931\u30e2\u30c7\u30eb\u306a\u3069\u3092\u57fa\u306b\u63a8\u5b9a\u304c\u884c\u308f\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-a9b1f7f4\">\u30b9\u30d7\u30e9\u30a4\u30b5\u30fc\u306f\u3001\u5b8c\u6210\u3057\u305f\u30ea\u30f3\u30af\u3092\u4ecb\u3057\u3066\u6821\u6b63\u6e08\u307f\u306e\u30c6\u30b9\u30c8\u4fe1\u53f7\u3092\u9001\u4fe1\u3057\u3001\u9060\u7aef\u3067\u306e\u53d7\u4fe1\u96fb\u529b\u3092\u6e2c\u5b9a\u3059\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3057\u305f\u304c\u3063\u3066\u30010.00 dB\u3068\u8868\u793a\u3055\u308c\u3066\u3044\u3066\u3082\u3001\u305d\u308c\u306f\u300c\u3053\u306e\u6e2c\u5b9a\u5668\u30670.00\u306b\u4e38\u3081\u3089\u308c\u305f\u8a08\u7b97\u7d50\u679c\u300d\u3092\u610f\u5473\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u300c\u63a5\u7d9a\u90e8\u306e\u7269\u7406\u7684\u306a\u640d\u5931\u304c\u6b63\u78ba\u306b\u30bc\u30ed\u3067\u3042\u308b\u300d\u3053\u3068\u3092\u610f\u5473\u3059\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u201c<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8a366d1e\">\u30b9\u30af\u30ea\u30fc\u30f3\u306e\u6e2c\u5b9a\u5024\u3092\u3001\u305d\u306e\u5834\u3067\u306e\u30d7\u30ed\u30bb\u30b9\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u3068\u3057\u3066\u6271\u3063\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u4f4d\u7f6e\u5408\u308f\u305b\u306e\u305a\u308c\u3001\u30af\u30e9\u30f4\u30a3\u30f3\u30b0\u3001\u6c5a\u67d3\u3001\u30a2\u30fc\u30af\u306e\u554f\u984c\u306a\u3069\u3092\u65e9\u671f\u306b\u767a\u898b\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u8a8d\u8a3c\u7d50\u679c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u8aad\u66f8<\/th><th>\u3053\u306e\u8cea\u554f\u304c\u6271\u3046\u5185\u5bb9<\/th><th>\u4e3b\u306a\u5236\u9650\u4e8b\u9805<\/th><\/tr><\/thead><tbody><tr><td>\u30b9\u30d7\u30e9\u30a4\u30b5\u30fc\u306e\u898b\u7a4d\u3082\u308a<\/td><td>\u3053\u306e\u63a5\u7d9a\u90e8\u306f\u3001\u3053\u306e\u30b9\u30d7\u30e9\u30a4\u30b5\u30fc\u3068\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u3068\u3063\u3066\u8a31\u5bb9\u7bc4\u56f2\u5185\u3068\u898b\u306a\u3055\u308c\u308b\u3067\u3057\u3087\u3046\u304b\uff1f<\/td><td>\u5c40\u6240\u7684\u306b\u7b97\u51fa\u3055\u308c\u305f\u3082\u306e\u3067\u3042\u308a\u3001\u76f4\u63a5\u306e\u4f1d\u9001\u6e2c\u5b9a\u5024\u3067\u306f\u306a\u3044<\/td><\/tr><tr><td>OTDR\u306e\u7247\u65b9\u5411\u30a4\u30d9\u30f3\u30c8\u640d\u5931<\/td><td>\u3053\u306e\u73fe\u8c61\u306f\u3001\u3042\u308b\u65b9\u5411\u304b\u3089\u306e\u5f8c\u65b9\u6563\u4e71\u3092\u3069\u306e\u3088\u3046\u306b\u5909\u5316\u3055\u305b\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/td><td>\u640d\u5931\u304c\u5b9f\u969b\u3088\u308a\u5927\u304d\u304f\u8868\u793a\u3055\u308c\u305f\u308a\u3001\u5229\u76ca\u304c\u51fa\u3066\u3044\u308b\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u305f\u308a\u3059\u308b\u5834\u5408\u304c\u3042\u308b<\/td><\/tr><tr><td><a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/bidirectional-otdr\/\" title=\"\u300c\u53cc\u65b9\u5411OTDR\u300d\u306e\u3059\u3079\u3066\u306e\u6295\u7a3f\u3092\u8868\u793a\">\u53cc\u65b9\u5411OTDR<\/a> \u5e73\u5747<\/td><td>\u3053\u306e\u4e8b\u8c61\u306b\u3088\u308b\u640d\u5931\u306e\u6700\u3082\u59a5\u5f53\u306a\u63a8\u5b9a\u5024\u306f\u3069\u308c\u304f\u3089\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<\/td><td>\u30a4\u30d9\u30f3\u30c8\u306e\u6b63\u3057\u3044\u30da\u30a2\u30ea\u30f3\u30b0\u3068\u3001\u7b26\u53f7\u4ed8\u304d\u5e73\u5747\u5316\u304c\u5fc5\u8981\u3067\u3042\u308b<\/td><\/tr><tr><td>OLTS\/LSPM\u306e\u633f\u5165\u640d\u5931<\/td><td>\u30ea\u30f3\u30af\u5168\u4f53\u3067\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u306e\u4e88\u7b97\u5185\u306b\u53ce\u307e\u3063\u3066\u3044\u307e\u3059\u304b\uff1f<\/td><td>1\u3064\u306e\u30b9\u30d7\u30e9\u30a4\u30b9\u3092\u7279\u5b9a\u3067\u304d\u306a\u3044<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-42451bc8\">ITU-T L.12 \u3067\u306f\u3001\u30b9\u30d7\u30e9\u30a4\u30b5\u30fc\u306b\u3088\u308b\u63a8\u5b9a\u5024\u307e\u305f\u306f\u4e00\u65b9\u5411 OTDR \u306b\u3088\u308a\u3001\u65bd\u5de5\u4e2d\u306b\u8457\u3057\u304f\u640d\u5931\u306e\u5927\u304d\u3044\u63a5\u7d9a\u90e8\u3092\u7279\u5b9a\u3067\u304d\u308b\u3068\u898f\u5b9a\u3055\u308c\u3066\u3044\u308b\u304c\u3001\u5b9f\u969b\u306e\u73fe\u5834\u3067\u306f <a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/splice-loss\/\" title=\"\u300c\u30b9\u30d7\u30e9\u30a4\u30b9\u640d\u5931\u300d\u306e\u3059\u3079\u3066\u306e\u6295\u7a3f\u3092\u8868\u793a\">\u30b9\u30d7\u30e9\u30a4\u30b9\u640d\u5931<\/a> \u4e21\u65b9\u5411\u304b\u3089\u306eOTDR\u6e2c\u5b9a\u5024\u3092\u5e73\u5747\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u308c\u3092\u7b97\u51fa\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002. <\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-b7d12a87\">\u6700\u521d\u306e\u78ba\u8a8d\uff1a\u300c\u9ad8\u640d\u5931\u300d\u306f\u3001\u7247\u65b9\u5411\u306eOTDR\u6e2c\u5b9a\u7d50\u679c\u306b\u3059\u304e\u306a\u3044\u306e\u304b\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-b6c50fbb\">OTDR\u306f\u3001\u9001\u4fe1\u96fb\u529b\u3067\u306f\u306a\u304f\u3001\u53cd\u5c04\u3057\u305f\u30ec\u30a4\u30ea\u30fc\u5f8c\u65b9\u6563\u4e71\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002\u30b9\u30d7\u30e9\u30a4\u30b9\u306e\u4e21\u5074\u306e\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u30e2\u30fc\u30c9\u30d5\u30a3\u30fc\u30eb\u30c9\u5f84\u3084\u5f8c\u65b9\u6563\u4e71\u4fc2\u6570\u304c\u7570\u306a\u308b\u5834\u5408\u3001\u30c8\u30ec\u30fc\u30b9\u306f\u4e00\u65b9\u306e\u65b9\u5411\u3067\u904e\u5ea6\u306b\u4f4e\u4e0b\u3057\u3001\u3082\u3046\u4e00\u65b9\u306e\u65b9\u5411\u3067\u4e0a\u6607\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-9d2a55ad\">\u3053\u306e\u30b9\u30c6\u30c3\u30d7\u30a2\u30c3\u30d7\u306f\u300c\u30b2\u30a4\u30ca\u30fc\u300d\u3068\u547c\u3070\u308c\u307e\u3059\u3002\u3053\u306e\u30b9\u30d7\u30e9\u30a4\u30b9\u306f\u5149\u30d1\u30ef\u30fc\u3092\u751f\u6210\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u306f\u3001\u5f8c\u65b9\u6563\u4e71\u30ec\u30d9\u30eb\u306e\u5dee\u7570\u306b\u3088\u3063\u3066\u751f\u3058\u308b\u6e2c\u5b9a\u4e0a\u306e\u30a2\u30fc\u30c6\u30a3\u30d5\u30a1\u30af\u30c8\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ff08a24d\">\u540c\u3058\u7269\u7406\u7684\u306a\u30b9\u30d7\u30e9\u30a4\u30b9\u304b\u3089\u306e\u7b26\u53f7\u4ed8\u304d\u6e2c\u5b9a\u5024\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u65b9\u5411<\/th><th>OTDR\u30a4\u30d9\u30f3\u30c8\u306e\u8aad\u307f\u53d6\u308a<\/th><th>\u901a\u8a33<\/th><\/tr><\/thead><tbody><tr><td>A \u2192 B<\/td><td>+0.36 dB<\/td><td>\u904e\u5927\u306a\u640d\u5931\u304c\u751f\u3058\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<\/td><\/tr><tr><td>B \u2192 A<\/td><td>\u22120.18 dB<\/td><td>\u9006\u65b9\u5411\u306e\u30b2\u30a4\u30ca\u30fc<\/td><\/tr><tr><td>\u7f72\u540d\u4ed8\u304d\u5e73\u5747<\/td><td>(+0.36 + \u22120.18) \u00f7 2 = <strong>0.09 dB<\/strong><\/td><td>\u3053\u306e\u30c8\u30ec\u30fc\u30b9\u30da\u30a2\u304b\u3089\u306e\u6700\u5584\u306e\u63a8\u5b9a\u5024<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-9855bfc3\">\u30de\u30a4\u30ca\u30b9\u8a18\u53f7\u306f\u524a\u9664\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u7d76\u5bfe\u5024\u306e\u5e73\u5747\u3092\u7b97\u51fa\u3059\u308b\u3068\u3001\u8aa4\u3063\u30660.27 dB\u3068\u3044\u3046\u5024\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8279673f\">\u3053\u306e\u6319\u52d5\u306f\u3001G.652D \u3084 G.657A2 \u3068\u3044\u3063\u305f\u7570\u306a\u308b\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u8a2d\u8a08\u3092\u63a5\u7d9a\u3059\u308b\u969b\u306b\u3001\u7279\u306b\u91cd\u8981\u3068\u306a\u308a\u307e\u3059\u3002 \u30b3\u30fc\u30cb\u30f3\u30b0\u793e\u306eOTDR\u8a55\u4fa1\u30ac\u30a4\u30c0\u30f3\u30b9\u3067\u306f\u3001MFD\u306b\u95a2\u9023\u3059\u308b\u5f8c\u65b9\u6563\u4e71\u306e\u9055\u3044\u306b\u3088\u308a\u3001\u7247\u65b9\u5411OTDR\u306e\u7d50\u679c\u3067\u904e\u5927\u306a\u640d\u5931\u304c\u793a\u3055\u308c\u305f\u4e00\u65b9\u3067\u3001\u30b9\u30d7\u30e9\u30a4\u30b5\u30fc\u306e\u4e88\u6e2c\u5024\u304c0.01 dB\u4ee5\u4e0b\u306b\u3068\u3069\u307e\u3063\u305f\u4e8b\u4f8b\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8a06cc3f\">\u30d5\u30a1\u30a4\u30d0\u30fc\u56fa\u6709\u306e\u80cc\u666f\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/www.luleey.com\/ja\/can-you-splice-g-652d-to-g-657a2-fiber\/?utm_source=chatgpt.com\">G.652D\u3068G.657A2\u306e\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u3092\u63a5\u7d9a\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304b\uff1f<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-93170ad8\">\u30b9\u30d7\u30e9\u30a4\u30b5\u30fc\u3068OTDR\u306e\u6e2c\u5b9a\u7d50\u679c\u304c\u4e00\u81f4\u3057\u306a\u30443\u3064\u306e\u7406\u7531<\/h2>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-908fe9a8\">1. \u8868\u793a\u3055\u308c\u3066\u3044\u308b 0.00 dB \u306f\u3001\u56db\u6368\u4e94\u5165\u3057\u305f\u6982\u7b97\u5024\u3067\u3059\u3002<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-090a4846\">\u3053\u306e\u30b9\u30d7\u30e9\u30a4\u30b5\u30fc\u306f\u8868\u793a\u89e3\u50cf\u5ea6\u306b\u5236\u9650\u304c\u3042\u308a\u3001\u76f4\u63a5\u7684\u306a\u30b9\u30eb\u30fc\u30d1\u30ef\u30fc\u8a66\u9a13\u3067\u306f\u306a\u304f\u30e2\u30c7\u30eb\u3092\u7528\u3044\u305f\u6e2c\u5b9a\u3092\u884c\u3044\u307e\u3059\u3002\u4e88\u6e2c\u5024\u304c\u6975\u3081\u3066\u5c0f\u3055\u3044\u5834\u5408\u30010.00 dB \u3068\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u540c\u3058\u63a5\u7d9a\u90e8\u3067\u3042\u3063\u3066\u3082\u3001\u4f7f\u7528\u3059\u308b\u30e2\u30c7\u30eb\u304c\u7570\u306a\u308b\u3068\u3001\u7570\u306a\u308b\u63a8\u5b9a\u5024\u304c\u5f97\u3089\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-ab156b3f\">2. OTDR\u306e\u7d50\u679c\u306b\u65b9\u5411\u6027\u306e\u504f\u308a\u304c\u898b\u3089\u308c\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-6e259a2f\">\u30e2\u30fc\u30c9\u30d5\u30a3\u30fc\u30eb\u30c9\u5f84\u3084\u5f8c\u65b9\u6563\u4e71\u4fc2\u6570\u304c\u7570\u306a\u308b\u3068\u3001\u826f\u597d\u306a\u30b9\u30d7\u30e9\u30a4\u30b9\u3067\u3042\u3063\u3066\u3082\u3001\u4e00\u65b9\u306e\u7aef\u304b\u3089\u306f\u9ad8\u640d\u5931\u3068\u898b\u3048\u3001\u3082\u3046\u4e00\u65b9\u306e\u7aef\u304b\u3089\u306f\u5229\u5f97\u304c\u3042\u308b\u3088\u3046\u306b\u898b\u3048\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u7247\u65b9\u5411\u306e\u7d50\u679c\u3060\u3051\u3067\u306f\u3001\u5b9f\u969b\u306e\u30b9\u30d7\u30e9\u30a4\u30b9\u640d\u5931\u3092\u6b63\u78ba\u306b\u8868\u3059\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-722672ab\">3. \u898b\u7a4d\u3082\u308a\u306e\u7bc4\u56f2\u5916\u3067\u5b9f\u969b\u306e\u640d\u5931\u304c\u767a\u751f\u3057\u305f<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-9ecb4e26\">\u6c5a\u67d3\u3001\u4e0d\u9069\u5207\u306a\u5207\u65ad\u3001\u4f4d\u7f6e\u5408\u308f\u305b\u306e\u8aa4\u308a\u3001\u8aa4\u3063\u305f\u30b9\u30d7\u30e9\u30a4\u30b9\u30d7\u30ed\u30b0\u30e9\u30e0\u3001\u30a2\u30fc\u30af\u72b6\u614b\u306e\u4e0d\u826f\u3001\u6c17\u6ce1\u3001\u30c6\u30fc\u30d1\u30fc\u3001\u3042\u308b\u3044\u306f\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u640d\u50b7\u306a\u3069\u304c\u539f\u56e0\u3067\u3001\u5b9f\u8cea\u7684\u306a\u904e\u5270\u640d\u5931\u304c\u751f\u3058\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-26eacd3a\">\u307e\u305f\u3001\u30b9\u30d7\u30e9\u30a4\u30b9\u304c\u30ab\u30e1\u30e9\u306e\u8996\u91ce\u304b\u3089\u5916\u308c\u305f\u5f8c\u3067\u3082\u3001\u4fe1\u53f7\u640d\u5931\u304c\u751f\u3058\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u4fdd\u8b77\u30b9\u30ea\u30fc\u30d6\u304c\u52a0\u71b1\u3055\u308c\u305f\u5834\u5408\u3001\u30c8\u30ec\u30a4\u5185\u3067\u30d5\u30a1\u30a4\u30d0\u30fc\u304c\u631f\u307e\u308c\u305f\u5834\u5408\u3001\u3042\u308b\u3044\u306f\u6025\u30ab\u30fc\u30d6\u304c\u751f\u3058\u305f\u5834\u5408\u306a\u3069\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-df913036\">\u307e\u305f\u3001OTDR\u304c\u8aa4\u3063\u305f\u30a4\u30d9\u30f3\u30c8\u3092\u691c\u51fa\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u3002\u7d4c\u8def\u8ddd\u96e2\u304c\u6b63\u3057\u304f\u30de\u30c3\u30d4\u30f3\u30b0\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u8fd1\u304f\u306e\u30b3\u30cd\u30af\u30bf\u3001\u6a5f\u68b0\u5f0f\u30b9\u30d7\u30e9\u30a4\u30b9\u3001\u66f2\u3052\u90e8\u3001\u30b9\u30d7\u30ea\u30c3\u30bf\u3001\u307e\u305f\u306f\u53cd\u5c04\u6027\u969c\u5bb3\u304c\u3001\u878d\u7740\u30b9\u30d7\u30e9\u30a4\u30b9\u3068\u8aa4\u8a8d\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-5ca5777e\">7\u3064\u306e\u30b9\u30c6\u30c3\u30d7\u304b\u3089\u306a\u308b\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc<\/h2>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-f9bf77b5\">1. \u63a5\u7d9a\u90e8\u3092\u5207\u65ad\u3059\u308b\u524d\u306b\u3001\u8a3c\u62e0\u3092\u4fdd\u5168\u3057\u3066\u304a\u304f\u3053\u3068<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-9a91ae68\">\u30b9\u30d7\u30e9\u30a4\u30b5\u30fc\u306e\u8a18\u9332\u3001\u30d5\u30a1\u30a4\u30d0\u30fc\u753b\u50cf\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u540d\u3001\u63a8\u5b9a\u640d\u5931\u3001\u5207\u65ad\u89d2\u5ea6\u3001\u65e5\u4ed8\u3001\u4f5c\u696d\u8005\u3001\u304a\u3088\u3073\u30b9\u30d7\u30e9\u30a4\u30b9ID\u3092\u4fdd\u5b58\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3060\u3051\u3067\u306a\u304f\u3001\u5143\u306eOTDR\u30c8\u30ec\u30fc\u30b9\u3082\u4fdd\u5b58\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-a91dcbec\">\u6ce2\u9577\u3001\u6e2c\u5b9a\u7bc4\u56f2\u3001\u30d1\u30eb\u30b9\u5e45\u3001\u5e73\u5747\u5316\u6642\u9593\u3001\u30a4\u30d9\u30f3\u30c8\u3057\u304d\u3044\u5024\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u8a2d\u5b9a\u3001\u9001\u4fe1\u30b1\u30fc\u30d6\u30eb\u3001\u53d7\u4fe1\u30b1\u30fc\u30d6\u30eb\u3001\u304a\u3088\u3073\u8a66\u9a13\u65b9\u5411\u3092\u8a18\u9332\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-80e49317\">2. \u4e21\u65b9\u306e\u30c4\u30fc\u30eb\u304c\u540c\u3058\u7269\u7406\u7684\u73fe\u8c61\u3092\u6307\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d5b0f511\">\u305d\u306e\u4e8b\u8c61\u3092\u3001\u914d\u7dda\u56f3\u3001\u30b1\u30fc\u30d6\u30eb\u306e\u30de\u30fc\u30ad\u30f3\u30b0\u3001\u30b9\u30d7\u30e9\u30a4\u30b9\u30dc\u30c3\u30af\u30b9\u3001\u30c8\u30ec\u30a4\u3001\u304a\u3088\u3073\u30d5\u30a1\u30a4\u30d0\u30fc\u756a\u53f7\u3068\u7167\u5408\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u53cd\u5bfe\u5074\u306e\u7aef\u304b\u3089\u6e2c\u5b9a\u3059\u308b\u3068\u3001\u540c\u3058\u30b9\u30d7\u30e9\u30a4\u30b9\u304c\u7570\u306a\u308b\u4f4d\u7f6e\u306b\u73fe\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-30b19071\">\u305d\u306e\u4e8b\u8c61\u304c\u53cd\u5c04\u6027\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u901a\u5e38\u306e\u878d\u7740\u63a5\u7d9a\u306f\u3001\u901a\u5e38\u3001\u975e\u53cd\u5c04\u6027\u3067\u3059\u3002\u660e\u3089\u304b\u306a\u53cd\u5c04\u304c\u898b\u3089\u308c\u308b\u5834\u5408\u306f\u3001\u30b3\u30cd\u30af\u30bf\u3001\u6a5f\u68b0\u7684\u306a\u9699\u9593\u3001\u754c\u9762\u306e\u6c5a\u67d3\u3001\u307e\u305f\u306f\u4e8b\u8c61\u306e\u5272\u308a\u5f53\u3066\u8aa4\u308a\u3092\u793a\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002ITU-T L.12\u3067\u306f\u3001\u78ba\u8a8d\u3055\u308c\u305f\u878d\u7740\u63a5\u7d9a\u304b\u3089\u6e2c\u5b9a\u53ef\u80fd\u306a\u30b9\u30d1\u30a4\u30af\u304c\u691c\u51fa\u3055\u308c\u305f\u5834\u5408\u3001\u518d\u4f5c\u696d\u304c\u5fc5\u8981\u3067\u3042\u308b\u3068\u898f\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-7bd699df\">3. \u4e21\u7aef\u304b\u3089OTDR\u6e2c\u5b9a\u3092\u7e70\u308a\u8fd4\u3059<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-4330b07c\">\u540c\u3058\u6ce2\u9577\u304a\u3088\u3073\u4e92\u63db\u6027\u306e\u3042\u308b\u5e2f\u57df\u3001\u30d1\u30eb\u30b9\u5e45\u3001\u5e73\u5747\u5316\u3001\u304a\u3088\u3073\u89e3\u6790\u65b9\u6cd5\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6e05\u6f54\u3067\u9069\u5207\u306a\u9001\u4fe1\u30b1\u30fc\u30d6\u30eb\u304a\u3088\u3073\u53d7\u4fe1\u30b1\u30fc\u30d6\u30eb\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-139ad503\">\u65b9\u5411\u304c\u5909\u308f\u308b\u305f\u3073\u306b\u8907\u6570\u306e\u8a2d\u5b9a\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002\u9577\u30d1\u30eb\u30b9\u306e\u81ea\u52d5\u30c8\u30ec\u30fc\u30b9\u3068\u3001\u77ed\u30d1\u30eb\u30b9\u306e\u624b\u52d5\u89e3\u6790\u30c8\u30ec\u30fc\u30b9\u306f\u3001\u6709\u52b9\u306a\u30da\u30a2\u3092\u5f62\u6210\u3057\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-7689a47e\">4. \u7b26\u53f7\u4ed8\u304d\u30a4\u30d9\u30f3\u30c8\u6e2c\u5b9a\u5024\u306e\u5e73\u5747\u3092\u6c42\u3081\u308b<\/h3>\n\n\n\n<div class=\"wp-block-wd-image wd-block-image wd-23775996\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" class=\"wp-image-23310\" src=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/11\/fusion-splicer-loss-troubleshooting-flow-1000x1000-1.png\" alt=\"\" title=\"\" srcset=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/11\/fusion-splicer-loss-troubleshooting-flow-1000x1000-1.png 1000w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/11\/fusion-splicer-loss-troubleshooting-flow-1000x1000-1-800x800.png 800w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/11\/fusion-splicer-loss-troubleshooting-flow-1000x1000-1-400x400.png 400w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/11\/fusion-splicer-loss-troubleshooting-flow-1000x1000-1-768x768.png 768w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/11\/fusion-splicer-loss-troubleshooting-flow-1000x1000-1-12x12.png 12w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/11\/fusion-splicer-loss-troubleshooting-flow-1000x1000-1-150x150.png 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/div>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-3a118a4b\">\u540c\u3058\u7269\u7406\u30b9\u30d7\u30e9\u30a4\u30b9\u3092\u7d44\u307f\u5408\u308f\u305b\u3001\u4ee5\u4e0b\u3092\u8a08\u7b97\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-053fa24e\"><code>\u53cc\u65b9\u5411\u30b9\u30d7\u30e9\u30a4\u30b9\u640d\u5931 = (A\u2192B\u306e\u6e2c\u5b9a\u5024 + B\u2192A\u306e\u6e2c\u5b9a\u5024) \u00f7 2<\/code><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-3a2b6119\">\u30b2\u30a4\u30f3\u5024\u304c\u8ca0\u306e\u5834\u5408\u306f\u3001\u305d\u306e\u5024\u3092\u8ca0\u306e\u307e\u307e\u306b\u3057\u3066\u304a\u3044\u3066\u304f\u3060\u3055\u3044\u3002\u4e00\u65b9\u5411\u306e\u5024\u304c\u9ad8\u304f\u3001\u53cd\u5bfe\u65b9\u5411\u306e\u5024\u304c\u540c\u7a0b\u5ea6\u306e\u8ca0\u306e\u5024\u3092\u793a\u3059\u5834\u5408\u306f\u3001\u30d0\u30c3\u30af\u6563\u4e71\u306e\u4e0d\u4e00\u81f4\u304c\u7d50\u679c\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4e21\u65b9\u5411\u306e\u5024\u304c\u9ad8\u304f\u3001\u304b\u3064\u6b63\u306e\u5024\u3092\u793a\u3059\u5834\u5408\u306f\u3001\u5b9f\u969b\u306e\u6b20\u9665\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3067\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-4550424f\">5. \u518d\u63a5\u7d9a\u3092\u884c\u3046\u524d\u306b\u3001\u30c8\u30ec\u30a4\u3068\u4fdd\u8b77\u5177\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-6c2c6fce\">\u63a5\u5408\u90e8\u304a\u3088\u3073\u305d\u306e\u5468\u8fba\u306e\u30d5\u30a1\u30a4\u30d0\u30fc\u306b\u3064\u3044\u3066\u3001\u4ee5\u4e0b\u306e\u70b9\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u66f2\u304c\u3063\u305f\u308a\u3001\u306d\u3058\u308c\u305f\u308a\u3001\u4e2d\u5fc3\u304b\u3089\u305a\u308c\u3066\u3044\u308b\u30b9\u30ea\u30fc\u30d6<\/li>\n\n\n\n<li>\u30ab\u30d0\u30fc\u3084\u56fa\u5b9a\u30bf\u30d6\u306e\u4e0b\u3067\u30d5\u30a1\u30a4\u30d0\u30fc\u304c\u631f\u307e\u3063\u3066\u3044\u308b<\/li>\n\n\n\n<li>\u30b9\u30d7\u30e9\u30a4\u30b9\u30db\u30eb\u30c0\u30fc\u3067\u306e\u6025\u30ab\u30fc\u30d6<\/li>\n\n\n\n<li>\u30d0\u30c3\u30d5\u30a1\u30fc\u7ba1\u306e\u5727\u529b<\/li>\n\n\n\n<li>\u30c8\u30ec\u30a4\u3078\u306e\u6025\u306a\u5207\u308a\u66ff\u3048<\/li>\n\n\n\n<li>\u8a66\u9a13\u6ce2\u9577\u304c\u9577\u304f\u306a\u308b\u306b\u3064\u308c\u3066\u5897\u5927\u3059\u308b\u640d\u5931<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ed8e515f\">\u627f\u8a8d\u3055\u308c\u305f\u53d6\u308a\u6271\u3044\u624b\u9806\u306b\u5f93\u3063\u3066\u306e\u307f\u914d\u7dda\u3092\u4fee\u6b63\u3057\u3001\u305d\u306e\u5f8c\u3001\u6e2c\u5b9a\u3092\u7e70\u308a\u8fd4\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30b9\u30d7\u30e9\u30a4\u30b9\u5f8c\u306e\u640d\u5931\u304c\u3059\u3079\u3066\u878d\u7740\u30ac\u30e9\u30b9\u5185\u90e8\u306b\u3042\u308b\u3068\u306f\u60f3\u5b9a\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-2eb6295f\">6. \u660e\u3089\u304b\u306a\u554f\u984c\u304c\u3042\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u305f\u5834\u5408\u306b\u306e\u307f\u3001\u518d\u63a5\u7d9a\u3092\u884c\u3046<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-5102aa45\">\u53cc\u65b9\u5411\u5e73\u5747\u5024\u304c\u8a31\u5bb9\u9650\u754c\u3092\u8d85\u3048\u305f\u5834\u5408\u3001\u307e\u305f\u306f\u78ba\u8a8d\u6e08\u307f\u306e\u63a5\u5408\u90e8\u304c\u53cd\u5c04\u6027\u3092\u793a\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u3042\u308b\u3044\u306f\u753b\u50cf\u306b\u660e\u3089\u304b\u306a\u6b20\u9665\u304c\u78ba\u8a8d\u3055\u308c\u305f\u5834\u5408\u3001\u3042\u308b\u3044\u306f\u4fdd\u8b77\u3055\u308c\u305f\u63a5\u5408\u90e8\u304c\u640d\u50b7\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u305d\u306e\u63a5\u5408\u90e8\u3092\u5207\u308a\u53d6\u308a\u3001\u627f\u8a8d\u3055\u308c\u305f\u624b\u9806\u306b\u5f93\u3063\u3066\u518d\u65bd\u5de5\u3059\u308b\u3053\u3068\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-1406f027\">\u30ea\u30e1\u30a4\u30af\u7248\u306b\u3064\u3044\u3066\u306f\uff1a<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>\u4e21\u65b9\u306e\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u7a2e\u985e\u3001\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u3001\u304a\u3088\u3073\u6587\u66f8\u5316\u3055\u308c\u305f\u30b9\u30d7\u30e9\u30a4\u30b9\u8a08\u753b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u8a8d\u5b9a\u3055\u308c\u305f\u8cc7\u6750\u3092\u4f7f\u7528\u3057\u3066\u3001\u88ab\u8986\u3092\u5265\u304c\u3057\u3001\u6e05\u6383\u3092\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u65b0\u305f\u306b\u5207\u65ad\u3057\u3001\u6c5a\u67d3\u3055\u308c\u3066\u3044\u308b\u3082\u306e\u3084\u76ee\u8996\u3067\u6b20\u9665\u304c\u8a8d\u3081\u3089\u308c\u308b\u7aef\u9762\u306f\u6392\u9664\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u53d6\u6271\u8aac\u660e\u66f8\u306e\u6307\u793a\u306b\u5f93\u3063\u3066\u3001V\u6e9d\u3001\u30af\u30e9\u30f3\u30d7\u3001\u304a\u3088\u3073\u30ab\u30e1\u30e9\u5468\u8fba\u3092\u6e05\u6383\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u5305\u4e01\u306e\u5203\u306e\u4f4d\u7f6e\u3068\u72b6\u614b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u5b9f\u884c <a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/arc-calibration\/\" title=\"\u300c\u30a2\u30fc\u30af\u30ad\u30e3\u30ea\u30d6\u30ec\u30fc\u30b7\u30e7\u30f3\u300d\u306e\u3059\u3079\u3066\u306e\u6295\u7a3f\u3092\u8868\u793a\">\u30a2\u30fc\u30af\u8f03\u6b63<\/a> \u30b9\u30d7\u30e9\u30a4\u30b5\u30fc\u306e\u53d6\u6271\u8aac\u660e\u66f8\u3001\u4f7f\u7528\u74b0\u5883\u3001\u307e\u305f\u306f\u4fdd\u5b88\u72b6\u6cc1\u306b\u3088\u308a\u5fc5\u8981\u3068\u3055\u308c\u308b\u5834\u5408\u3002.<\/li>\n\n\n\n<li>\u96fb\u6975\u306e\u72b6\u614b\u3092\u78ba\u8a8d\u3057\u3001\u6a5f\u7a2e\u3054\u3068\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u624b\u9806\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-96a3073f\">AFL\u306e\u516c\u5f0f\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u30ac\u30a4\u30c9\u3067\u306f\u3001\u63a8\u5b9a\u640d\u5931\u304c\u9ad8\u304f\u306a\u308b\u539f\u56e0\u3068\u3057\u3066\u3001\u4e0d\u5341\u5206\u306a\u6d17\u6d44\u3001\u7aef\u9762\u306e\u4e0d\u826f\u3001\u6c17\u6ce1\u3001V\u6e9d\u3084\u30ab\u30e1\u30e9\u306e\u6c5a\u308c\u3001\u96fb\u6975\u306e\u6469\u8017\u3001\u30a2\u30fc\u30af\u51fa\u529b\u306e\u6821\u6b63\u4e0d\u5099\u3001\u8aa4\u3063\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3001\u4e0d\u9069\u5207\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u306a\u3069\u304c\u6319\u3052\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u6821\u6b63\u624b\u9806\u306b\u3064\u3044\u3066\u306f\u6a5f\u7a2e\u3054\u3068\u306b\u7570\u306a\u308b\u3082\u306e\u3068\u3057\u3066\u6271\u308f\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-1c5e521a\">\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u6570\u5024\u3092\u4e0b\u3052\u308b\u305f\u3081\u3060\u3051\u306b\u3001\u4f59\u5206\u306a\u30a2\u30fc\u30af\u3092\u7e70\u308a\u8fd4\u3057\u5f53\u3066\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u30a2\u30fc\u30af\u3092\u8ffd\u52a0\u3059\u308b\u3068\u3001\u4e00\u90e8\u306e\u63a5\u7d9a\u90e8\u306e\u54c1\u8cea\u304c\u4f4e\u4e0b\u3059\u308b\u6050\u308c\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ee0fea9f\">\u6e96\u5099\u3068\u3057\u3066\u3001\u691c\u8a3c\u6e08\u307f\u306e <a href=\"https:\/\/www.luleey.com\/ja\/product\/s09-high-precision-optical-fiber-cleaver\/?utm_source=chatgpt.com\">LuLeey S09 \u30af\u30ea\u30fc\u30d0\u30fc\u306e\u30da\u30fc\u30b8<\/a> \u5e73\u5747\u5207\u65ad\u89d2\u5ea6\u306f0.5\u00b0\u672a\u6e80\u3068\u3055\u308c\u3066\u304a\u308a\u3001250 \u00b5m\u3001900 \u00b5m\u3001\u304a\u3088\u30733.0 mm\u306e\u5358\u7e4a\u7dad\u69cb\u9020\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u5207\u65ad\u9577\u3055\u306f\u3001\u4f7f\u7528\u3059\u308b\u30b9\u30d7\u30e9\u30a4\u30b5\u30fc\u304a\u3088\u3073\u30db\u30eb\u30c0\u30fc\u306e\u8981\u4ef6\u306b\u6b63\u78ba\u306b\u5408\u81f4\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-151709db\">7. \u30a4\u30d9\u30f3\u30c8\u3068\u30ea\u30f3\u30af\u5168\u4f53\u3092\u518d\u5ea6\u30c6\u30b9\u30c8\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-32a47626\">\u4fee\u7406\u307e\u305f\u306f\u7d4c\u8def\u306e\u4fee\u6b63\u3092\u884c\u3063\u305f\u5f8c\u3001\u53cc\u65b9\u5411OTDR\u8a66\u9a13\u3092\u518d\u5ea6\u5b9f\u65bd\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u306e\u5f8c\u3001\u30ea\u30f3\u30af\u5168\u4f53\u306e\u8a8d\u8a3c\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u627f\u8a8d\u3055\u308c\u305fOLTS\u3001\u307e\u305f\u306f\u5149\u6e90\u3068\u30d1\u30ef\u30fc\u30e1\u30fc\u30bf\u30fc\u3092\u7528\u3044\u305f\u65b9\u6cd5\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-58383404\">\u30b3\u30fc\u30cb\u30f3\u30b0\u793e\u306f\u3001\u3053\u308c\u3089\u306e\u5f79\u5272\u3092\u6b21\u306e\u3088\u3046\u306b\u533a\u5225\u3057\u3066\u3044\u307e\u3059\u3002OTDR\u30c8\u30ec\u30fc\u30b9\u306f\u30a4\u30d9\u30f3\u30c8\u306e\u4f4d\u7f6e\u7279\u5b9a\u3068\u7279\u6027\u8a55\u4fa1\u3092\u884c\u3046\u3082\u306e\u3067\u3059\u304c\u3001OLTS\/LSPM\u3092\u7528\u3044\u305fTier 1\u306e\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u6e1b\u8870\u91cf\u6e2c\u5b9a\u306b\u53d6\u3063\u3066\u4ee3\u308f\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002. <a href=\"https:\/\/www.corning.com\/catalog\/coc\/documents\/misc\/LAN-1561-AEN.pdf?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\">corning.com<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-bad0c7cb\">\u8fc5\u901f\u306a\u6c7a\u5b9a\u8868<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u8a3c\u62e0<\/th><th>\u6700\u3082\u53ef\u80fd\u6027\u306e\u9ad8\u3044\u610f\u5473<\/th><th>\u6b21\u306e\u30a2\u30af\u30b7\u30e7\u30f3<\/th><\/tr><\/thead><tbody><tr><td>\u30b9\u30d7\u30e9\u30a4\u30b5\u30fc 0.00 dB\uff1b\u4e00\u65b9\u5411\u306e\u7d50\u679c\u306f\u30cf\u30a4\uff1b\u9006\u65b9\u5411\u306f\u30b2\u30a4\u30f3\u30a2\u30c3\u30d7<\/td><td>\u65b9\u5411\u6027\u5f8c\u65b9\u6563\u4e71\uff0fMFD\u30a2\u30fc\u30c1\u30d5\u30a1\u30af\u30c8\u304c\u652f\u914d\u7684\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<\/td><td>\u4f5c\u308a\u76f4\u3057\u524d\u306e\u5e73\u5747\u7b26\u53f7\u4ed8\u304d\u6e2c\u5b9a\u5024<\/td><\/tr><tr><td>\u30b9\u30d7\u30e9\u30a4\u30b5\u30fc 0.00 dB\uff1b\u4e21\u65b9\u5411\u3068\u3082\u30cf\u30a4<\/td><td>\u5b9f\u969b\u306e\u30b9\u30d7\u30e9\u30a4\u30b9\u640d\u5931\u3001\u66f2\u304c\u308a\u3001\u307e\u305f\u306f\u8aa4\u3063\u305f\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044<\/td><td>\u30de\u30c3\u30d4\u30f3\u30b0\u3068\u30c8\u30ec\u30a4\u3092\u70b9\u691c\u3057\u3001\u5e73\u5747\u7d50\u679c\u304c\u57fa\u6e96\u3092\u6e80\u305f\u3055\u306a\u3044\u5834\u5408\u306f\u518d\u63a5\u7d9a\u3092\u884c\u3046<\/td><\/tr><tr><td>\u30b9\u30d7\u30e9\u30a4\u30b5\u30fc 0.00 dB\uff1b\u53cd\u5c04\u30b9\u30d1\u30a4\u30af<\/td><td>\u901a\u5e38\u306e\u5358\u7d14\u306a\u878d\u5408\u30b9\u30d7\u30e9\u30a4\u30b9\u306e\u30b7\u30b0\u30cd\u30c1\u30e3\u3067\u306f\u306a\u3044<\/td><td>\u30a4\u30d9\u30f3\u30c8\u306e\u8b58\u5225\u60c5\u5831\u3092\u78ba\u8a8d\u3057\u3001\u9699\u9593\u3001\u30b3\u30cd\u30af\u30bf\u3001\u307e\u305f\u306f\u63a5\u5408\u90e8\u306e\u4e0d\u5177\u5408\u304c\u306a\u3044\u304b\u70b9\u691c\u3059\u308b<\/td><\/tr><tr><td>\u30b9\u30d7\u30e9\u30a4\u30b5\u30fc\u306e\u898b\u7a4d\u3082\u308a\u304c\u9ad8\u3081\uff1b\u53cc\u65b9\u5411\u306e\u7d50\u679c\u304c\u5408\u683c<\/td><td>\u898b\u7a4d\u3082\u308a\u3001\u753b\u50cf\u3001\u307e\u305f\u306f\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306b\u95a2\u3059\u308b\u554f\u984c\u304c\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<\/td><td>\u6a5f\u5668\u3092\u70b9\u691c\u3057\u3001\u898b\u7a4d\u3082\u308a\u3060\u3051\u3067\u5224\u65ad\u3057\u3066\u63a1\u7528\u3092\u898b\u9001\u3089\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044<\/td><\/tr><tr><td>OTDR\u30a4\u30d9\u30f3\u30c8\u306f\u5408\u683c\u3001OLTS\u306e\u30ea\u30f3\u30af\u640d\u5931\u306f\u4e0d\u5408\u683c<\/td><td>\u7d2f\u7a4d\u640d\u5931\u3001\u30b3\u30cd\u30af\u30bf\uff0f\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u306e\u554f\u984c\u3001\u66f2\u304c\u308a\u3001\u307e\u305f\u306f\u305d\u306e\u4ed6\u306e\u4e8b\u8c61<\/td><td>\u30ea\u30f3\u30af\u5168\u4f53\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-de6e5a63\">\u6709\u76ca\u306a\u6280\u8853\u30ec\u30d3\u30e5\u30fc\u3092\u884c\u3046\u305f\u3081\u306b\u9001\u308b\u3079\u304d\u3082\u306e<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-94d61bd0\">\u201c\u300c\u30b9\u30d7\u30e9\u30a4\u30b5\u30fc\u306e\u8868\u793a\u304c 0.00 \u3067\u3042\u308b\u300d\u3068\u3044\u3046\u3060\u3051\u3067\u306f\u3001\u5341\u5206\u306a\u8a3c\u62e0\u3068\u306f\u8a00\u3048\u307e\u305b\u3093\u3002\u4ee5\u4e0b\u3092\u9001\u4fe1\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6b63\u78ba\u306a\u30b9\u30d7\u30e9\u30a4\u30b5\u30fc\u306e\u578b\u756a\u3001\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3001\u30b9\u30d7\u30e9\u30a4\u30b9\u30d7\u30ed\u30b0\u30e9\u30e0\u3001\u304a\u3088\u3073\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u72b6\u6cc1<\/li>\n\n\n\n<li>\u4e21\u7aef\u306e\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u7a2e\u985e\u3068\u30b1\u30fc\u30d6\u30eb\u306e\u54c1\u756a<\/li>\n\n\n\n<li>\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u30b9\u30d7\u30e9\u30a4\u30b5\u30fc\u753b\u50cf\u304a\u3088\u3073\u8a18\u9332<\/li>\n\n\n\n<li>\u5143\u306eA\u2192B\u304a\u3088\u3073B\u2192A\u306eOTDR\u30c8\u30ec\u30fc\u30b9\u30d5\u30a1\u30a4\u30eb<\/li>\n\n\n\n<li>OTDR\u306e\u6ce2\u9577\u3001\u30d1\u30eb\u30b9\u3001\u6e2c\u5b9a\u7bc4\u56f2\u3001\u5e73\u5747\u5316\u3001\u95be\u5024\u3001\u304a\u3088\u3073\u9001\u4fe1\u30fb\u53d7\u4fe1\u30b1\u30fc\u30d6\u30eb<\/li>\n\n\n\n<li>\u5404\u7aef\u304b\u3089\u306e\u30a4\u30d9\u30f3\u30c8\u307e\u3067\u306e\u8ddd\u96e2<\/li>\n\n\n\n<li>\u4fdd\u8b77\u3055\u308c\u305f\u30b9\u30d7\u30e9\u30a4\u30b9\u3068\u30c8\u30ec\u30a4\u914d\u7dda\u306e\u5199\u771f<\/li>\n\n\n\n<li>\u5165\u624b\u53ef\u80fd\u306a\u5834\u5408\u306f\u3001\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u306eOLTS\/LSPM\u306e\u7d50\u679c<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-3413060d\">\u3053\u308c\u306b\u3088\u308a\u3001LuLeey\u306f\u3001\u6e96\u5099\u4e0a\u306e\u554f\u984c\u3068OTDR\u30a2\u30fc\u30c1\u30d5\u30a1\u30af\u30c8\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4e0d\u6574\u5408\u3068\u3092\u533a\u5225\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u624b\u9806\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/www.luleey.com\/ja\/contact-us\/?utm_source=chatgpt.com\">LuLeey\u306e\u304a\u554f\u3044\u5408\u308f\u305b\u30da\u30fc\u30b8<\/a> \u307e\u305f\u3001\u6a5f\u5668\u306e\u6b63\u78ba\u306a\u578b\u756a\u3068\u30c8\u30ec\u30fc\u30b9\u30d5\u30a1\u30a4\u30eb\u3082\u6dfb\u4ed8\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-fd809d5a\">\u5b9f\u8df5\u7684\u306a\u6b21\u306e\u30b9\u30c6\u30c3\u30d7<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-f4c55f4b\">\u3042\u308b\u6e2c\u5b9a\u5668\u3067\u4e88\u60f3\u5916\u306e\u6570\u5024\u304c\u8868\u793a\u3055\u308c\u305f\u304b\u3089\u3068\u3044\u3063\u3066\u3001\u30b9\u30d7\u30e9\u30a4\u30b9\u3092\u5207\u308a\u53d6\u3063\u3066\u306f\u306a\u308a\u307e\u305b\u3093\u3002\u307e\u305a\u305d\u306e\u7b87\u6240\u3092\u7279\u5b9a\u3057\u3001\u4e21\u7aef\u304b\u3089\u30c6\u30b9\u30c8\u3092\u884c\u3044\u3001\u7b26\u53f7\u4ed8\u304dOTDR\u6e2c\u5b9a\u5024\u306e\u5e73\u5747\u3092\u7b97\u51fa\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-faaf8137\">\u53cc\u65b9\u5411\u306e\u6e2c\u5b9a\u7d50\u679c\u304c\u4f9d\u7136\u3068\u3057\u3066\u4e0d\u5408\u683c\u3067\u3042\u308b\u5834\u5408\u3001\u3042\u308b\u3044\u306f\u30b1\u30fc\u30d6\u30eb\u306b\u53cd\u5c04\u73fe\u8c61\u304c\u898b\u3089\u308c\u308b\u3001\u76ee\u8996\u3067\u6b20\u9665\u304c\u78ba\u8a8d\u3055\u308c\u308b\u3001\u3042\u308b\u3044\u306f\u6a5f\u68b0\u7684\u306a\u8ca0\u8377\u304c\u304b\u304b\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u539f\u56e0\u3092\u4fee\u5fa9\u3057\u3001\u65b0\u305f\u306b\u30b9\u30d7\u30e9\u30a4\u30b9\u3092\u884c\u3044\u3001\u30ea\u30f3\u30af\u5168\u4f53\u3092\u518d\u8a66\u9a13\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-997cee8f\">\u4fe1\u983c\u3067\u304d\u308b\u53c2\u8003\u6587\u732e<\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.itu.int\/rec\/dologin_pub.asp?id=T-REC-L.12-200005-S!!PDF-E&amp;lang=e&amp;type=items&amp;utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\">ITU-T L.12\uff1a\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u63a5\u7d9a<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.corning.com\/content\/dam\/corning\/catalog\/coc\/documents\/application-notes\/AN3060.pdf?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\">\u30b3\u30fc\u30cb\u30f3\u30b0 AN3060\uff1a\u878d\u7740\u63a5\u7d9a\u3055\u308c\u305f\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u30fc\u306eOTDR\u8a55\u4fa1\u306b\u95a2\u3059\u308b\u6307\u91dd<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/learn.aflglobal.com\/_pfcdn\/assets\/preprocessed\/11221\/dbdf55c9-3246-42c1-9b9b-97f0610bab9b\/dbdf55c9-3246-42c1-9b9b-97f0610bab9b.92e046c3-a933-447f-8e98-f44d65042f19?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\">AFL AN-3035\uff1a90S+ 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