{"id":22078,"date":"2026-09-02T23:48:27","date_gmt":"2026-09-02T15:48:27","guid":{"rendered":"https:\/\/www.luleey.com\/?p=22078"},"modified":"2026-09-02T23:48:30","modified_gmt":"2026-09-02T15:48:30","slug":"otdr-gainer-why-does-a-splice-show-negative-loss","status":"publish","type":"post","link":"https:\/\/www.luleey.com\/ja\/otdr-gainer-why-does-a-splice-show-negative-loss\/","title":{"rendered":"OTDR\u306e\u30b2\u30a4\u30f3\uff1a\u306a\u305c\u30b9\u30d7\u30e9\u30a4\u30b9\u3067\u8ca0\u306e\u640d\u5931\u304c\u8868\u793a\u3055\u308c\u308b\u306e\u304b\uff1f"},"content":{"rendered":"<h1 class=\"wp-block-wd-title title wd-83fa3fec\"><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> Gainer\uff1a\u306a\u305c\u30b9\u30d7\u30e9\u30a4\u30b9\u3067\u8ca0\u306e\u640d\u5931\u304c\u8868\u793a\u3055\u308c\u308b\u306e\u3067\u3059\u304b\uff1f<\/h1>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-dad2cdaa\">\u30a2\u30f3 <strong><a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/otdr-gainer\/\" title=\"\u300cOTDR Gainer\u300d\u306e\u3059\u3079\u3066\u306e\u6295\u7a3f\u3092\u8868\u793a\">OTDR\u30b2\u30a4\u30f3\u5897\u5e45\u5668<\/a><\/strong> OTDR\u30c8\u30ec\u30fc\u30b9\u4e0a\u3067\u5149\u30d1\u30ef\u30fc\u304c\u5897\u52a0\u3057\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u3048\u308b\u4e8b\u8c61\u3067\u3059\u3002\u30a4\u30d9\u30f3\u30c8\u30c6\u30fc\u30d6\u30eb\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u8ca0\u306e\u640d\u5931\u304c\u5831\u544a\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 <code>-0.20 dB<\/code>, \u3001\u305f\u3068\u3048\u53d7\u52d5\u7684\u306a\u30b9\u30d7\u30e9\u30a4\u30b9\u3067\u306f\u5149\u3092\u5897\u5e45\u3067\u304d\u306a\u3044\u3068\u3057\u3066\u3082\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-71ccd162\">\u3053\u308c\u306f\u901a\u5e38\u3001\u7d50\u5408\u3055\u308c\u305f2\u672c\u306e\u30d5\u30a1\u30a4\u30d0\u30fc\u304cOTDR\u306b\u5bfe\u3057\u3066\u7570\u306a\u308b\u91cf\u306e\u30ec\u30a4\u30ea\u30fc\u5f8c\u65b9\u6563\u4e71\u3092\u53cd\u5c04\u3059\u308b\u305f\u3081\u767a\u751f\u3057\u307e\u3059\u3002\u3053\u306e\u6e2c\u5b9a\u5668\u306f\u3001\u53cd\u5c04\u3055\u308c\u305f\u5f8c\u65b9\u6563\u4e71\u306e\u5909\u5316\u3092\u3001\u30a4\u30d9\u30f3\u30c8\u640d\u5931\u306e\u4e00\u90e8\u3068\u3057\u3066\u89e3\u91c8\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d0266c39\">\u540c\u3058\u30b9\u30d7\u30e9\u30a4\u30b9\u3092\u4e21\u7aef\u304b\u3089\u6e2c\u5b9a\u3057\u3001\u7b26\u53f7\u4ed8\u304d\u306e2\u3064\u306e\u6e2c\u5b9a\u5024\u306e\u5e73\u5747\u3092\u7b97\u51fa\u3057\u307e\u3059\u3002\u4e00\u65b9\u5411\u3067\u640d\u5931\u304c\u6e1b\u5c11\u3059\u308b\uff08\u30b2\u30a4\u30ca\u30fc\uff09\u5834\u5408\u3001\u901a\u5e38\u3001\u53cd\u5bfe\u65b9\u5411\u3067\u306f\u640d\u5931\u304c\u5897\u52a0\u3059\u308b\uff08\u300c\u30eb\u30fc\u30b6\u30fc\u300d\uff09\u73fe\u8c61\u3068\u306a\u308a\u307e\u3059\u3002\u53cc\u65b9\u5411\u306e\u5e73\u5747\u5024\u3092\u6c42\u3081\u308b\u3053\u3068\u3067\u3001\u30d0\u30c3\u30af\u30b9\u30ad\u30e3\u30c3\u30bf\u30fc\u306e\u4e0d\u6574\u5408\u306e\u5927\u90e8\u5206\u304c\u76f8\u6bba\u3055\u308c\u3001\u30b9\u30d7\u30e9\u30a4\u30b9\u640d\u5931\u3092\u3088\u308a\u6b63\u78ba\u306b\u63a8\u5b9a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-56728528\">\u4e00\u65b9\u5411\u3067\u5229\u5f97\u304c\u78ba\u8a8d\u3055\u308c\u305f\u304b\u3089\u3068\u3044\u3063\u3066\u3001\u305d\u306e\u63a5\u7d9a\u90e8\u3092\u5b89\u6613\u306b\u5408\u683c\u3068\u307f\u306a\u3057\u305f\u308a\u3001\u3082\u3046\u4e00\u65b9\u306e\u65b9\u5411\u3067\u5927\u304d\u306a\u640d\u5931\u304c\u78ba\u8a8d\u3055\u308c\u305f\u304b\u3089\u3068\u3044\u3063\u3066\u3001\u5b89\u6613\u306b\u518d\u63a5\u7d9a\u3057\u305f\u308a\u3057\u3066\u306f\u306a\u3089\u306a\u3044\u3002.<\/p>\n\n\n\n<div class=\"wp-block-wd-image wd-block-image wd-4386c7f3\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" class=\"wp-image-22080\" src=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/otdr-gainer-hero.png\" alt=\"\" title=\"\" srcset=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/otdr-gainer-hero.png 1000w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/otdr-gainer-hero-800x800.png 800w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/otdr-gainer-hero-400x400.png 400w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/otdr-gainer-hero-768x768.png 768w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/otdr-gainer-hero-12x12.png 12w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/otdr-gainer-hero-150x150.png 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/div>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-fce9d5d3\">OTDR\u30b2\u30a4\u30f3\uff1a\u7c21\u5358\u306a\u89e3\u91c8<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u65b9\u5411 A\u2192B<\/th><th>\u65b9\u5411 B\u2192A<\/th><th>\u6700\u3082\u59a5\u5f53\u306a\u89e3\u91c8<\/th><th>\u6b21\u306e\u30b9\u30c6\u30c3\u30d7<\/th><\/tr><\/thead><tbody><tr><td>\u8ca0\u306e\u640d\u5931<\/td><td>\u6b63\u306e\u640d\u5931\u306e\u5897\u52a0<\/td><td>\u5f8c\u65b9\u6563\u4e71\u306e\u5dee\u306b\u3088\u3063\u3066\u751f\u3058\u308b\u5178\u578b\u7684\u306a\u30b2\u30a4\u30ca\u30fc\uff0f\u30eb\u30fc\u30b6\u30fc\u306e\u30da\u30a2<\/td><td>\u7b26\u53f7\u4ed8\u304d\u306e\u7d50\u679c\u3092\u5e73\u5747\u5316\u3059\u308b<\/td><\/tr><tr><td>\u4f4e\u3044\u6b63\u306e\u640d\u5931<\/td><td>\u540c\u7a0b\u5ea6\u306e\u4f4e\u3044\u6b63\u306e\u640d\u5931<\/td><td>\u5404\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u5f8c\u65b9\u6563\u4e71\u306f\u985e\u4f3c\u3057\u3066\u304a\u308a\u3001\u7d50\u679c\u306f\u4e00\u8cab\u3057\u3066\u3044\u308b<\/td><td>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4e0a\u9650\u3068\u6bd4\u8f03\u3059\u308b<\/td><\/tr><tr><td>\u9ad8\u3044\u6b63\u306e\u640d\u5931<\/td><td>\u9ad8\u3044\u6b63\u306e\u640d\u5931<\/td><td>\u5b9f\u969b\u306e\u30b9\u30d7\u30e9\u30a4\u30b9\u640d\u5931\u3001\u66f2\u3052\u3001\u3042\u308b\u3044\u306f\u4e0d\u9069\u5207\u306a\u30a4\u30d9\u30f3\u30c8\u89e3\u6790\u306e\u53ef\u80fd\u6027\u304c\u9ad8\u3044<\/td><td>\u914d\u7dda\u3092\u70b9\u691c\u3057\u3001\u63a5\u7d9a\u3092\u884c\u3046<\/td><\/tr><tr><td>\u4e21\u65b9\u306e\u691c\u67fb\u3067\u9670\u6027\u307e\u305f\u306f\u7d50\u679c\u304c\u4e0d\u5b89\u5b9a<\/td><td>\u4e00\u8cab\u6027\u306e\u3042\u308b\u30da\u30a2\u30a4\u30d9\u30f3\u30c8\u304c\u306a\u3044<\/td><td>\u30a4\u30d9\u30f3\u30c8\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u9593\u9055\u3063\u3066\u3044\u308b\u3001\u30c7\u30c3\u30c9\u30be\u30fc\u30f3\u3001\u30ce\u30a4\u30ba\u3001\u307e\u305f\u306f\u8a2d\u5b9a\u306e\u554f\u984c<\/td><td>\u8a2d\u5b9a\u3092\u4fee\u6b63\u3057\u3001\u518d\u5ea6\u30c6\u30b9\u30c8\u3092\u884c\u3046<\/td><\/tr><tr><td>\u4e21\u65b9\u5411\u306b\u53cd\u5c04\u3059\u308b\u3064\u3070<\/td><td>\u30b3\u30cd\u30af\u30bf\u3084\u6a5f\u68b0\u7684\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304c\u95a2\u4fc2\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<\/td><td>\u5358\u306a\u308b\u878d\u5408\u30b9\u30d7\u30e9\u30a4\u30b9\u306b\u3088\u308b\u30b2\u30a4\u30f3\u5897\u5e45\u3067\u306f\u306a\u3044<\/td><td>\u7269\u7406\u7684\u306a\u4e8b\u8c61\u3092\u8abf\u67fb\u3059\u308b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-f2efedc0\">\u8ca0\u306e\u7247\u65b9\u5411\u306e\u6570\u5024\u306f\u3001\u30b9\u30d7\u30e9\u30a4\u30b9\u304c\u826f\u597d\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3059\u8a3c\u62e0\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002\u4e21\u65b9\u5411\u306e\u6570\u5024\u304a\u3088\u3073\u30c8\u30ec\u30fc\u30b9\u5168\u4f53\u304c\u3001\u5b9f\u969b\u306e\u7d4c\u8def\u3068\u4e00\u81f4\u3057\u3066\u3044\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-f7c4b59c\">\u30d1\u30c3\u30b7\u30d6\u30b9\u30d7\u30e9\u30a4\u30b9\u304c\u30b2\u30a4\u30f3\u304c\u3042\u308b\u3088\u3046\u306b\u898b\u3048\u308b\u7406\u7531<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-10e5b420\">OTDR\u306f\u3001\u3059\u3079\u3066\u306e\u63a5\u7d9a\u70b9\u306e\u76f4\u5f8c\u306b\u30d1\u30ef\u30fc\u30e1\u30fc\u30bf\u30fc\u3092\u8a2d\u7f6e\u3059\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30d1\u30eb\u30b9\u3092\u7167\u5c04\u3057\u3001\u30ec\u30a4\u30ea\u30fc\u5f8c\u65b9\u6563\u4e71\u3084\u53cd\u5c04\u306b\u3088\u3063\u3066\u623b\u3063\u3066\u304f\u308b\u5fae\u91cf\u306e\u5149\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-0add009d\">\u5f8c\u65b9\u6563\u4e71\u30ec\u30d9\u30eb\u306f\u3001\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u7279\u6027\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u30022\u672c\u306e\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u30fc\u306f\u3001\u540c\u3058\u4e00\u822c\u7684\u306a\u7528\u9014\u30ab\u30c6\u30b4\u30ea\u306b\u8a72\u5f53\u3057\u3066\u3044\u3066\u3082\u3001\u4ee5\u4e0b\u306e\u70b9\u3067\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e2\u30fc\u30c9\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u76f4\u5f84<\/li>\n\n\n\n<li>\u5f8c\u65b9\u6563\u4e71\u4fc2\u6570<\/li>\n\n\n\n<li>\u6e1b\u8870\u7279\u6027<\/li>\n\n\n\n<li>\u5c48\u6298\u7387\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb<\/li>\n\n\n\n<li>\u88fd\u9020\u4e0a\u306e\u8a2d\u8a08\u3084\u516c\u5dee<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-0a4d283f\">OTDR\u30d1\u30eb\u30b9\u304c\u3001\u5f8c\u65b9\u6563\u4e71\u4fc2\u6570\u306e\u4f4e\u3044\u30d5\u30a1\u30a4\u30d0\u30fc\u304b\u3089\u9ad8\u3044\u30d5\u30a1\u30a4\u30d0\u30fc\u3078\u3068\u901a\u904e\u3059\u308b\u3068\u3001\u30b9\u30d7\u30e9\u30a4\u30b9\u5f8c\u306e\u533a\u9593\u304b\u3089\u3088\u308a\u591a\u304f\u306e\u5149\u304c\u53cd\u5c04\u3057\u3066\u623b\u3063\u3066\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30c8\u30ec\u30fc\u30b9\u304c\u6025\u4e0a\u6607\u3057\u307e\u3059\u3002\u305d\u306e\u5909\u5316\u304c\u5b9f\u969b\u306e\u30b9\u30d7\u30e9\u30a4\u30b9\u640d\u5931\u3088\u308a\u3082\u5927\u304d\u3044\u5834\u5408\u3001\u30a4\u30d9\u30f3\u30c8\u30c6\u30fc\u30d6\u30eb\u306b\u306f\u8ca0\u306e\u640d\u5931\u3068\u3057\u3066\u8a18\u9332\u3055\u308c\u3001\u3053\u308c\u306f\u300cOTDR\u30b2\u30a4\u30ca\u30fc\u300d\u3068\u547c\u3070\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-601a547a\">\u30ea\u30f3\u30af\u3092\u53cd\u5bfe\u5074\u304b\u3089\u6e2c\u5b9a\u3059\u308b\u3068\u3001\u30d1\u30eb\u30b9\u306f\u540c\u3058\u30d5\u30a1\u30a4\u30d0\u30fc\u3092\u9006\u9806\u306b\u901a\u904e\u3057\u307e\u3059\u3002\u30d0\u30c3\u30af\u30b9\u30ad\u30e3\u30c3\u30bf\u306e\u30ec\u30d9\u30eb\u304c\u6bb5\u968e\u7684\u306b\u4f4e\u4e0b\u3059\u308b\u305f\u3081\u3001OTDR\u306f\u30b9\u30d7\u30e9\u30a4\u30b9\u306e\u5b9f\u969b\u306e\u640d\u5931\u3088\u308a\u3082\u5927\u304d\u306a\u640d\u5931\u5024\u3092\u5831\u544a\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c8b56ab0\">\u306b\u3064\u3044\u3066 <a href=\"https:\/\/www.foa.org\/tech\/ref\/testing\/OTDR\/OTDR.html\" target=\"_blank\" rel=\"noopener\">\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u5354\u4f1a\u306eOTDR\u30ac\u30a4\u30c9<\/a> \u3053\u306e\u65b9\u5411\u6027\u306e\u8aa4\u5dee\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3001\u4e21\u65b9\u5411\u3067\u30c6\u30b9\u30c8\u3092\u884c\u3044\u3001\u305d\u306e\u7d50\u679c\u3092\u5e73\u5747\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-cec29ce2\">\u30e2\u30fc\u30c9\u30d5\u30a3\u30fc\u30eb\u30c9\u5f84\u304c\u3053\u308c\u3068\u3069\u3046\u95a2\u4fc2\u3057\u3066\u3044\u308b\u306e\u304b<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d7f8ec7a\">\u30e2\u30fc\u30c9\u30d5\u30a3\u30fc\u30eb\u30c9\u76f4\u5f84\uff08MFD\uff09\u3068\u306f\u3001\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u30fc\u5185\u3092\u4f1d\u642c\u3059\u308b\u5149\u5834\u306e\u6709\u52b9\u5e45\u3092\u8868\u3059\u3082\u306e\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u5358\u306b\u7269\u7406\u7684\u306a\u30b3\u30a2\u306e\u76f4\u5f84\u3092\u6307\u3059\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-31ce31f9\">\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u8a2d\u8a08\u3084MFD\u306e\u9055\u3044\u306b\u3088\u308a\u3001OTDR\u304c\u691c\u51fa\u3059\u308b\u5f8c\u65b9\u6563\u4e71\u306e\u91cf\u304c\u5909\u5316\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u7279\u6027\u306e\u7570\u306a\u308b\u30d5\u30a1\u30a4\u30d0\u30fc\u540c\u58eb\u3092\u63a5\u7d9a\u3057\u305f\u5834\u5408\u3001\u53cd\u5bfe\u65b9\u5411\u304b\u3089\u6e2c\u5b9a\u3057\u305f\u969b\u306b\u7570\u306a\u308b\u30a4\u30d9\u30f3\u30c8\u640d\u5931\u304c\u89b3\u6e2c\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-fbd4c03a\">ITU-T G.650.1 \u306b\u306f\u3001\u4e21\u65b9\u5411\u304b\u3089\u306e\u30b9\u30d7\u30e9\u30a4\u30b9\u90e8\u306b\u304a\u3051\u308b\u5909\u5316\u3092\u6e2c\u5b9a\u3057\u3001\u305d\u308c\u3092\u30e2\u30fc\u30c9\u30d5\u30a3\u30fc\u30eb\u30c9\u5f84\u306b\u95a2\u9023\u4ed8\u3051\u308b\u53cc\u65b9\u5411\u5f8c\u65b9\u6563\u4e71\u5dee\u5206\u6cd5\u304c\u898f\u5b9a\u3055\u308c\u3066\u3044\u308b\u3002 \u3053\u308c\u306f\u3001\u53d7\u52d5\u7684\u306a\u30b9\u30d7\u30e9\u30a4\u30b9\u304c\u5b9f\u969b\u306e\u5229\u5f97\u3092\u3082\u305f\u3089\u3055\u306a\u3044\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u30b9\u30d7\u30e9\u30a4\u30b9\u3092\u8d8a\u3048\u308b\u5f8c\u65b9\u6563\u4e71\u304cOTDR\u6e2c\u5b9a\u3068\u540c\u69d8\u306b\u65b9\u5411\u6027\u3092\u6301\u3064\u3068\u3044\u3046\u4e2d\u5fc3\u7684\u306a\u4e3b\u5f35\u3092\u88cf\u4ed8\u3051\u308b\u3082\u306e\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-674f18aa\">\u7570\u306a\u308b\u30d5\u30a1\u30a4\u30d0\u306e\u8a2d\u8a08\u3001\u88fd\u9020\u30ed\u30c3\u30c8\u3001\u307e\u305f\u306f\u30e1\u30fc\u30ab\u30fc\u9593\u306e\u63a5\u7d9a\u6642\u306b\u3001\u30b2\u30a4\u30ca\u30fc\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u6a19\u6e96\u578b\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u3068\u66f2\u3052\u306b\u5f37\u976d\u306a\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u3092\u63a5\u7d9a\u3059\u308b\u5834\u5408\u306a\u3069\u304c\u305d\u306e\u4e00\u4f8b\u3067\u3059\u304c\u3001\u30e9\u30d9\u30eb\u60c5\u5831\u3060\u3051\u3067\u306f\u7d50\u679c\u3092\u4e88\u6e2c\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002G.652\u3068G.657\u306e\u63a5\u7d9a\u304c\u3059\u3079\u3066\u540c\u3058\u6319\u52d5\u3092\u793a\u3059\u3068\u6c7a\u3081\u3064\u3051\u305a\u3001\u30d5\u30a1\u30a4\u30d0\u306e\u6b63\u78ba\u306a\u4ed5\u69d8\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-17056745\">\u30de\u30eb\u30c1\u30e2\u30fc\u30c9\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u5834\u5408\u3001\u30b3\u30a2\u5f84\u3084\u5165\u5c04\u6761\u4ef6\u306b\u3088\u3063\u3066\u4e0d\u78ba\u5b9a\u8981\u7d20\u304c\u3055\u3089\u306b\u5897\u3048\u307e\u3059\u3002\u30b3\u30cd\u30af\u30bf\u304c\u9069\u5408\u3059\u308b\u3068\u3044\u3046\u7406\u7531\u3060\u3051\u3067\u300150\/125\u00b5m\u306862.5\/125\u00b5m\u306e\u30d5\u30a1\u30a4\u30d0\u30fc\u3092\u610f\u56f3\u7684\u306b\u6df7\u7528\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-09cdb83a\">\u53cc\u65b9\u5411\u30b9\u30d7\u30e9\u30a4\u30b9\u640d\u5931\u306e\u8a08\u7b97\u65b9\u6cd5<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-e6fffeab\">OTDR\u306e\u640d\u5931\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u901a\u308a\u306e\u8a18\u53f7\u3092\u305d\u306e\u307e\u307e\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-199411dc\">\u540c\u3058\u30b9\u30d7\u30e9\u30a4\u30b9\u306b\u3088\u3063\u3066\u6b21\u306e\u3088\u3046\u306a\u7d50\u679c\u304c\u5f97\u3089\u308c\u308b\u3068\u4eee\u5b9a\u3059\u308b\u3068\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A\u2192B\u306e\u7d50\u679c\uff1a <code>-0.20 dB<\/code><\/li>\n\n\n\n<li>B\u2192A\u306e\u7d50\u679c\uff1a <code>+0.34 dB<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8f3fbbc5\">\u8a08\u7b97\uff1a<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-82ad0ec3\"><code>\u53cc\u65b9\u5411\u30b9\u30d7\u30e9\u30a4\u30b9\u640d\u5931 = (-0.20 dB + 0.34 dB) \u00f7 2<\/code><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-10a3a7fd\"><code>\u53cc\u65b9\u5411\u30b9\u30d7\u30e9\u30a4\u30b9\u640d\u5931 = 0.07 dB<\/code><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-e41520a7\">\u4fee\u6b63\u5f8c\u306e\u7d50\u679c\u306f\u3001\u304a\u304a\u3088\u305d <strong>0.07 dB<\/strong>, \u3067\u306f\u306a\u304f <code>-0.20 dB<\/code> \u305d\u3057\u3066\u3001\uff5e\u3067\u306f\u306a\u3044 <code>0.34 dB<\/code>.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-847e14ae\">\u3053\u308c\u3089\u306f\u3042\u304f\u307e\u3067\u53c2\u8003\u5024\u3067\u3042\u308a\u3001\u666e\u904d\u7684\u306a\u5408\u683c\u30fb\u4e0d\u5408\u683c\u306e\u57fa\u6e96\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5e73\u5747\u5024\u3092\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4ed5\u69d8\u3001\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u7a2e\u985e\u3001\u30b9\u30d7\u30e9\u30a4\u30b9\u65b9\u6cd5\u3001\u304a\u3088\u3073\u6e2c\u5b9a\u306e\u4e0d\u78ba\u304b\u3055\u3068\u7167\u3089\u3057\u5408\u308f\u305b\u3066\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-2db65db7\">\u3082\u3057\u5e73\u5747\u5024\u304c\u4f9d\u7136\u3068\u3057\u3066\u30de\u30a4\u30ca\u30b9\u306e\u5834\u5408\u306f\u3069\u3046\u306a\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c007ff67\">\u30ce\u30a4\u30ba\u3001\u30de\u30fc\u30ab\u30fc\u306e\u914d\u7f6e\u3001\u81ea\u52d5\u30a4\u30d9\u30f3\u30c8\u89e3\u6790\u3001\u77ed\u3044\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u3001\u3042\u308b\u3044\u306f\u6e2c\u5b9a\u306e\u4e0d\u78ba\u304b\u3055\u306b\u3088\u3063\u3066\u3001\u5e73\u5747\u5024\u304c\u308f\u305a\u304b\u306b\u8ca0\u306e\u5024\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3092\u9ed9\u3063\u3066\u30bc\u30ed\u306b\u5909\u66f4\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-0aeb5792\">\u30ec\u30d3\u30e5\u30fc\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u540c\u3058\u7269\u7406\u7684\u4e8b\u8c61\u304c\u30da\u30a2\u306b\u306a\u3063\u3066\u3044\u3088\u3046\u304c\u3044\u307e\u3044\u304c<\/li>\n\n\n\n<li>\u4e21\u65b9\u306e\u30c6\u30b9\u30c8\u3067\u540c\u7b49\u306e\u8a2d\u5b9a\u304c\u7528\u3044\u3089\u308c\u305f\u304b\u3069\u3046\u304b<\/li>\n\n\n\n<li>\u4e8b\u8c61\u306e\u4e21\u5074\u306b\u5b89\u5b9a\u3057\u305f\u5f8c\u65b9\u6563\u4e71\u304c\u5b58\u5728\u3059\u308b\u304b\u3069\u3046\u304b<\/li>\n\n\n\n<li>\u8fd1\u304f\u306e\u53cd\u5c04\u3084\u30c7\u30c3\u30c9\u30be\u30fc\u30f3\u304c\u8a08\u7b97\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u305f\u304b\u3069\u3046\u304b<\/li>\n\n\n\n<li>\u9001\u4fe1\u30b1\u30fc\u30d6\u30eb\u3068\u53d7\u4fe1\u30b1\u30fc\u30d6\u30eb\u304c\u6b63\u3057\u304f\u540c\u68b1\u3055\u308c\u3066\u3044\u305f\u304b\u3069\u3046\u304b<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d961f69e\">\u53d7\u3051\u5165\u308c\u306e\u6c7a\u5b9a\u3092\u884c\u3046\u524d\u306b\u3001\u518d\u8a66\u9a13\u3092\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<div class=\"wp-block-wd-image wd-block-image wd-27866ef2\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" class=\"wp-image-22079\" src=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/bidirectional-otdr-workflow.png\" alt=\"\" title=\"\" srcset=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/bidirectional-otdr-workflow.png 1000w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/bidirectional-otdr-workflow-800x800.png 800w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/bidirectional-otdr-workflow-400x400.png 400w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/bidirectional-otdr-workflow-768x768.png 768w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/bidirectional-otdr-workflow-12x12.png 12w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/bidirectional-otdr-workflow-150x150.png 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/div>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-9df03073\">\u6709\u52b9\u306a\u64cd\u4f5c\u3092\u884c\u3046\u65b9\u6cd5 <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> \u30c6\u30b9\u30c8<\/h2>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-e1330f7c\">\u30b9\u30c6\u30c3\u30d7 1\uff1a\u7269\u7406\u7684\u306a\u63a5\u7d9a\u95a2\u4fc2\u3092\u8a18\u9332\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d3b8b98d\">\u7d4c\u8def\u3001\u7dcf\u9577\u3055\u3001\u63a5\u7d9a\u8a08\u753b\u3001\u30b3\u30cd\u30af\u30bf\u306e\u8a2d\u7f6e\u4f4d\u7f6e\u3001\u304a\u3088\u3073\u60f3\u5b9a\u3055\u308c\u308b\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u7a2e\u985e\u3092\u8a18\u9332\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-3395f186\">\u7aef\u70b9A\u304b\u30894km\u306e\u4f4d\u7f6e\u306b\u3042\u308b\u30b9\u30d7\u30e9\u30a4\u30b9\u306f\u3001\u7aef\u70b9B\u304b\u3089\u6e2c\u5b9a\u3057\u305f\u5834\u5408\u3001\u30ea\u30f3\u30af\u306e\u5168\u9577\u304b\u30894km\u3092\u5f15\u3044\u305f\u4f4d\u7f6e\u4ed8\u8fd1\u306b\u73fe\u308c\u308b\u306f\u305a\u3067\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-0b23c937\">\u624b\u9806 2\uff1a\u9069\u5207\u306a\u9001\u4fe1\u30b1\u30fc\u30d6\u30eb\u3068\u53d7\u4fe1\u30b1\u30fc\u30d6\u30eb\u3092\u4f7f\u7528\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-eb48c8a5\">OTDR\u306e\u30a2\u30af\u30c6\u30a3\u30d6\u5074\u306b\u306f\u9001\u4fe1\u30b1\u30fc\u30d6\u30eb\u3092\u3001\u53cd\u5bfe\u5074\u306b\u306f\u53d7\u4fe1\u30b1\u30fc\u30d6\u30eb\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30c6\u30b9\u30c8\u306e\u9806\u5e8f\u3092\u9006\u306b\u3057\u305f\u5834\u5408\u3001\u5143\u306e\u53d7\u4fe1\u5074\u304c\u9001\u4fe1\u5074\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-b7ccabeb\">\u30b1\u30fc\u30d6\u30eb\u306f\u3001\u8a72\u5f53\u3059\u308b\u30d5\u30a1\u30a4\u30d0\u30fc\u304a\u3088\u3073\u30b3\u30cd\u30af\u30bf\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3068\u4e92\u63db\u6027\u304c\u3042\u308a\u3001\u9078\u629e\u3057\u305f\u30d1\u30eb\u30b9\u304a\u3088\u3073\u6e2c\u5b9a\u7bc4\u56f2\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u5341\u5206\u306a\u9577\u3055\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002LuLeey\u306e\u30ac\u30a4\u30c9\u306b\u3088\u308b\u3068\u3001 <a href=\"https:\/\/www.luleey.com\/ja\/otdr-dead-zone-why-short-fiber-events-disappear\/\">OTDR\u306e\u30c7\u30c3\u30c9\u30be\u30fc\u30f3\u3068\u767a\u5c04\u30b1\u30fc\u30d6\u30eb<\/a> \u53c2\u7167\u30d5\u30a1\u30a4\u30d0\u30fc\u304c\u3001\u6700\u521d\u3068\u6700\u5f8c\u306e\u63a5\u7d9a\u3092\u3069\u306e\u3088\u3046\u306b\u660e\u3089\u304b\u306b\u3059\u308b\u304b\u3092\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-ccf10320\">\u30b9\u30c6\u30c3\u30d73\uff1a\u8a66\u9a13\u6761\u4ef6\u3092\u540c\u7b49\u306b\u4fdd\u3064<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-667988a2\">\u4ee5\u4e0b\u3068\u540c\u3058\u3082\u306e\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6ce2\u9577<\/li>\n\n\n\n<li>\u30d1\u30eb\u30b9\u5e45<\/li>\n\n\n\n<li>\u30ec\u30f3\u30b8<\/li>\n\n\n\n<li>\u5e73\u5747\u5316\u6642\u9593\u304b\u3001\u53d6\u5f97\u54c1\u8cea\u304b<\/li>\n\n\n\n<li>\u30b0\u30eb\u30fc\u30d7\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u8a2d\u5b9a<\/li>\n\n\n\n<li>\u4e8b\u8c61\u5206\u6790\u6cd5<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-aeb340b1\">\u9032\u884c\u65b9\u5411\u306e\u5207\u308a\u66ff\u3048\u306b\u5408\u308f\u305b\u3066\u30d1\u30eb\u30b9\u5e45\u3084\u6ce2\u9577\u3092\u5909\u66f4\u3059\u308b\u3068\u3001\u5225\u306e\u5909\u6570\u304c\u751f\u3058\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-cb5e4259\">\u30b9\u30c6\u30c3\u30d74\uff1a\u7aefA\u5074\u304b\u3089\u30c6\u30b9\u30c8\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c5e73314\">\u30c8\u30ec\u30fc\u30b9\u3068\u30a4\u30d9\u30f3\u30c8\u30c6\u30fc\u30d6\u30eb\u3092\u4fdd\u5b58\u3057\u307e\u3059\u3002\u30a4\u30d9\u30f3\u30c8\u8ddd\u96e2\u3001\u7b26\u53f7\u4ed8\u304d\u640d\u5931\u3001\u8a72\u5f53\u3059\u308b\u5834\u5408\u306f\u53cd\u5c04\u7387\u3001\u6ce2\u9577\u3001\u304a\u3088\u3073\u8a66\u9a13\u8a2d\u5b9a\u3092\u8a18\u9332\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-9a927863\">\u81ea\u52d5\u30a4\u30d9\u30f3\u30c8\u30c6\u30fc\u30d6\u30eb\u3060\u3051\u3092\u898b\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30b9\u30d7\u30e9\u30a4\u30b9\u306e\u4e21\u5074\u3067\u30c8\u30ec\u30fc\u30b9\u306b\u5b89\u5b9a\u3057\u305f\u30d0\u30c3\u30af\u30b9\u30ad\u30e3\u30c3\u30bf\u30fc\u30bb\u30af\u30b7\u30e7\u30f3\u304c\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-05719131\">\u30b9\u30c6\u30c3\u30d7 5\uff1aB \u7aef\u304b\u3089\u30c6\u30b9\u30c8\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-fb33fe6b\">OTDR\u3092\u53cd\u5bfe\u5074\u306e\u7aef\u306b\u79fb\u52d5\u3055\u305b\u308b\u304b\u3001\u627f\u8a8d\u6e08\u307f\u306e\u9060\u9694\u8a66\u9a13\u88c5\u7f6e\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u540c\u7b49\u306e\u6761\u4ef6\u4e0b\u3067\u8a66\u9a13\u3092\u7e70\u308a\u8fd4\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-fccef496\">\u30b9\u30c6\u30c3\u30d76\uff1a\u540c\u3058\u7269\u7406\u7684\u306a\u4e8b\u8c61\u3092\u30da\u30a2\u306b\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-bacc2b4c\">\u30a4\u30d9\u30f3\u30c8\u756a\u53f7\u304c\u5165\u308c\u66ff\u308f\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002A\u5074\u306e\u300c\u30a4\u30d9\u30f3\u30c86\u300d\u304c\u3001B\u5074\u3067\u3082\u300c\u30a4\u30d9\u30f3\u30c86\u300d\u306e\u307e\u307e\u3067\u3042\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-3b11f6f2\">\u5404\u7aef\u70b9\u304b\u3089\u306e\u8ddd\u96e2\u3001\u30ea\u30f3\u30af\u306e\u5168\u9577\u3001\u63a5\u7d9a\u8a08\u753b\u3001\u304a\u3088\u3073\u4ed8\u8fd1\u3067\u65e2\u77e5\u306e\u4e8b\u8c61\u3092\u7528\u3044\u3066\u3001\u4e00\u81f4\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-3d2b240a\">\u624b\u9806 7\uff1a\u7b26\u53f7\u4ed8\u304d\u6e2c\u5b9a\u5024\u306e\u5e73\u5747\u3092\u6c42\u3081\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-5d47ab05\">\u975e\u53cd\u5c04\u578b\u30b9\u30d7\u30e9\u30a4\u30b9\u306e\u5404\u30da\u30a2\u306b\u3064\u3044\u3066\uff1a<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-3a5d81b9\"><code>\u5e73\u5747\u640d\u5931 = (A\u2192B\u306e\u7b26\u53f7\u4ed8\u304d\u640d\u5931 + B\u2192A\u306e\u7b26\u53f7\u4ed8\u304d\u640d\u5931) \u00f7 2<\/code><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c9edd332\">\u8a08\u7b97\u4e2d\u306f\u8ca0\u306e\u7b26\u53f7\u3092\u7dad\u6301\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-f2c860bc\">\u30b9\u30c6\u30c3\u30d78\uff1a\u53d7\u3051\u5165\u308c\u57fa\u6e96\u3068\u6bd4\u8f03\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-99e32a63\">\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u5b9a\u3081\u3089\u308c\u305f\u8a31\u5bb9\u5024\u304a\u3088\u3073\u8a66\u9a13\u65b9\u6cd5\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002\u53cc\u65b9\u5411\u5e73\u5747\u5024\u304c\u8a31\u5bb9\u5024\u3092\u8d85\u3048\u305f\u5834\u5408\u306f\u3001\u63a5\u7d9a\u90e8\u3001\u66f2\u3052\u90e8\u3001\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u4e92\u63db\u6027\u3001\u304a\u3088\u3073\u6e2c\u5b9a\u8a2d\u5b9a\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-3d46defe\">OTDR\u306e\u30b2\u30a4\u30ca\u30fc\u306f\u3044\u3064\u518d\u63a5\u7d9a\u3059\u3079\u304d\u304b\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-82a376ed\">\u3042\u308b\u65b9\u5411\u3067\u306f\u30a4\u30d9\u30f3\u30c8\u304c\u9670\u6027\u3067\u3042\u308b\u3001\u3042\u308b\u3044\u306f\u5225\u306e\u65b9\u5411\u3067\u306f\u9ad8\u3044\u3068\u3044\u3046\u7406\u7531\u3060\u3051\u3067\u3001\u518d\u30b9\u30d7\u30e9\u30a4\u30b7\u30f3\u30b0\u3092\u884c\u3063\u3066\u306f\u306a\u3089\u306a\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-1a9d5c84\">\u6b21\u306e\u3088\u3046\u306a\u5834\u5408\u306f\u3001\u518d\u30b9\u30d7\u30e9\u30a4\u30b9\u307e\u305f\u306f\u8abf\u67fb\u3092\u884c\u3063\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53cc\u65b9\u5411\u306e\u5e73\u5747\u5024\u304c\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4e0a\u9650\u3092\u8d85\u3048\u3066\u3044\u307e\u3059\u3002.<\/li>\n\n\n\n<li>\u4e21\u65b9\u5411\u3068\u3082\u3001\u904e\u5927\u306a\u6b63\u306e\u640d\u5931\u304c\u898b\u3089\u308c\u307e\u3059\u3002.<\/li>\n\n\n\n<li>\u30c8\u30ec\u30fc\u30b9\u306b\u306f\u3001\u5c48\u66f2\u3001\u53cd\u5c04\u3001\u307e\u305f\u306f\u7570\u5e38\u306a\u6ce2\u5f62\u304c\u78ba\u8a8d\u3055\u308c\u307e\u3059\u3002.<\/li>\n\n\n\n<li>\u30b1\u30fc\u30d6\u30eb\u306e\u79fb\u52d5\u3084\u74b0\u5883\u7684\u306a\u8ca0\u8377\u304c\u304b\u304b\u308b\u3068\u3001\u305d\u306e\u73fe\u8c61\u306f\u5909\u5316\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li>\u30b9\u30d7\u30e9\u30a4\u30b9\u8a18\u9332\u306b\u3088\u308a\u3001\u640d\u50b7\u3057\u305f\u30d5\u30a1\u30a4\u30d0\u30fc\u3084\u4e92\u63db\u6027\u306e\u306a\u3044\u30d5\u30a1\u30a4\u30d0\u30fc\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li>\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u306e\u633f\u5165\u640d\u5931\u306f\u3001\u30ea\u30f3\u30af\u30d0\u30b8\u30a7\u30c3\u30c8\u306e\u7bc4\u56f2\u5916\u3067\u3042\u308b\u3002.<\/li>\n\n\n\n<li>\u30b9\u30d7\u30e9\u30a4\u30b5\u30fc\u306e\u8a18\u9332\u304b\u3089\u306f\u3001\u6c5a\u67d3\u3001\u5207\u65ad\u4e0d\u826f\u3001\u3042\u308b\u3044\u306f\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u306e\u554f\u984c\u304c\u793a\u5506\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-21b8b9cd\">\u5f8c\u65b9\u6563\u4e71\u306e\u4e0d\u4e00\u81f4\u4e8b\u8c61\u3092\u7e70\u308a\u8fd4\u3057\u30b9\u30d7\u30e9\u30a4\u30b9\u3057\u76f4\u3059\u3068\u3001\u307b\u307c\u540c\u3058\u7247\u65b9\u5411\u306e\u6e2c\u5b9a\u5024\u304c\u5f97\u3089\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u7279\u6027\u306f\u5909\u5316\u3057\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u7269\u7406\u7684\u306b\u826f\u597d\u306a\u30b9\u30d7\u30e9\u30a4\u30b9\u3092\u884c\u3063\u305f\u5f8c\u3082\u3001\u30b2\u30a4\u30ca\u30fc\uff0f\u30eb\u30fc\u30b6\u30fc\u306e\u30d1\u30bf\u30fc\u30f3\u304c\u6b8b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-7dccefe3\">OTDR\u306e\u30b2\u30a4\u30f3\u8a2d\u5b9a\u3067\u3088\u304f\u3042\u308b\u9593\u9055\u3044<\/h2>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-0d7f1ed6\">\u8ca0\u306e\u640d\u5931\u3092\u5b9f\u969b\u306e\u5897\u5e45\u3068\u3057\u3066\u6271\u3046<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-0a0747b3\">\u30d1\u30c3\u30b7\u30d6\u578b\u878d\u7740\u63a5\u7d9a\u3067\u306f\u3001\u5149\u30d1\u30ef\u30fc\u306f\u5897\u52a0\u3057\u307e\u305b\u3093\u3002\u4e0a\u5411\u304d\u306e\u6bb5\u5dee\u306f\u3001OTDR\u306b\u3088\u308b\u5f8c\u65b9\u6563\u4e71\u52b9\u679c\u306b\u3088\u308b\u3082\u306e\u3067\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-851c35c4\">\u5e73\u5747\u5316\u3059\u308b\u524d\u306b\u30de\u30a4\u30ca\u30b9\u8a18\u53f7\u3092\u524a\u9664\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-b9a0fd9c\">\u3082\u3057 <code>-0.20 dB<\/code> \u304c\u6b21\u306e\u3088\u3046\u306b\u5909\u66f4\u3055\u308c\u307e\u3059 <code>+0.20 dB<\/code>, \u65b9\u5411\u6027\u5f8c\u65b9\u6563\u4e71\u88dc\u6b63\u304c\u6a5f\u80fd\u3057\u306a\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-2846fca6\">\u5b9f\u969b\u306e\u30a4\u30d9\u30f3\u30c8\u3067\u306f\u306a\u304f\u3001\u30a4\u30d9\u30f3\u30c8\u6570\u306e\u5e73\u5747\u3092\u7b97\u51fa\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-36cdff9a\">\u9006\u9806\u306e\u30a4\u30d9\u30f3\u30c8\u30c6\u30fc\u30d6\u30eb\u3067\u306f\u3001\u9806\u5e8f\u304c\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u884c\u756a\u53f7\u3060\u3051\u3067\u306a\u304f\u3001\u7269\u7406\u7684\u306a\u4f4d\u7f6e\u306b\u57fa\u3065\u3044\u3066\u30da\u30a2\u3092\u69cb\u6210\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-ceaea47c\">\u7570\u306a\u308b\u6ce2\u9577\u3084\u30d1\u30eb\u30b9\u5e45\u3092\u4f7f\u7528\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-1c687995\">\u8a2d\u5b9a\u3092\u5909\u66f4\u3059\u308b\u3068\u3001\u89e3\u50cf\u5ea6\u3001\u30ce\u30a4\u30ba\u3001\u304a\u3088\u3073\u6e2c\u5b9a\u3055\u308c\u305f\u30a4\u30d9\u30f3\u30c8\u640d\u5931\u304c\u5909\u5316\u3057\u307e\u3059\u3002\u53d6\u5f97\u30c7\u30fc\u30bf\u3092\u6bd4\u8f03\u53ef\u80fd\u306a\u72b6\u614b\u306b\u4fdd\u3063\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-10be26d3\">\u30c8\u30ec\u30fc\u30b9\u306e\u50be\u304d\u3092\u7121\u8996\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-b20bf415\">\u5f8c\u65b9\u6563\u4e71\u306e\u50be\u304d\u3084\u30ec\u30d9\u30eb\u306b\u660e\u3089\u304b\u306a\u9055\u3044\u304c\u898b\u3089\u308c\u308b\u9818\u57df\u306f\u3001\u7d50\u5408\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30d0\u30fc\u304c\u7570\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3059\u624b\u304c\u304b\u308a\u3068\u306a\u308a\u307e\u3059\u3002\u81ea\u52d5\u89e3\u6790\u3067\u306f\u3001\u305d\u306e\u6587\u8108\u304c\u898b\u843d\u3068\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-df73e4d3\">\u7247\u65b9\u5411OTDR\u306b\u3088\u308b\u640d\u5931\u3092\u30ea\u30f3\u30af\u5168\u4f53\u306e\u640d\u5931\u3068\u3057\u3066\u7528\u3044\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-cafa8fe8\">\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u306e\u76f4\u63a5\u633f\u5165\u640d\u5931\u3092\u6e2c\u5b9a\u3059\u308b\u306b\u306f\u3001\u6821\u6b63\u6e08\u307f\u306e\u5149\u6e90\u3068\u30d1\u30ef\u30fc\u30e1\u30fc\u30bf\u30fc\u3001\u307e\u305f\u306fOLTS\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002OTDR\u306b\u3088\u308b\u30a4\u30d9\u30f3\u30c8\u89e3\u6790\u3068\u633f\u5165\u640d\u5931\u6e2c\u5b9a\u3067\u306f\u3001\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u70b9\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-9aafbdc5\">OTDR\u306e\u30b2\u30a4\u30f3\u4e0a\u6607\u3068\u3001\u3072\u3069\u304f\u4e0d\u826f\u306a\u30b9\u30d7\u30e9\u30a4\u30b9\u306e\u6bd4\u8f03<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u78ba\u8a8d<\/th><th>\u5178\u578b\u7684\u306a\u300c\u4e0a\u6607\u9298\u67c4\uff0f\u4e0b\u843d\u9298\u67c4\u300d\u306e\u7d44\u307f\u5408\u308f\u305b<\/th><th>\u3080\u3057\u308d\u3001\u640d\u5931\u306e\u5927\u304d\u3044\u30b9\u30d7\u30e9\u30a4\u30b9\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044<\/th><\/tr><\/thead><tbody><tr><td>A\u2192B\u306e\u8aad\u307f\u65b9<\/td><td>\u30de\u30a4\u30ca\u30b9\u3001\u307e\u305f\u306f\u7570\u5e38\u306b\u4f4e\u3044<\/td><td>\u524d\u5411\u304d\u3067\u9ad8\u3044<\/td><\/tr><tr><td>B\u2192A\u306e\u8aad\u307f\u65b9<\/td><td>\u967d\u6027\u3067\u3001\u7570\u5e38\u306b\u9ad8\u3044<\/td><td>\u524d\u5411\u304d\u3067\u9ad8\u3044<\/td><\/tr><tr><td>\u53cc\u65b9\u5411\u5e73\u5747<\/td><td>\u9ad8\u3044\u7247\u9053\u4fa1\u683c\u3088\u308a\u3082\u306f\u308b\u304b\u306b\u5b89\u3044<\/td><td>\u5236\u9650\u5024\u3092\u4e0a\u56de\u3063\u305f\u307e\u307e<\/td><\/tr><tr><td>\u30a4\u30d9\u30f3\u30c8\u306e\u8f2a\u90ed\u3092\u306a\u305e\u308b<\/td><td>\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u5404\u30bb\u30af\u30b7\u30e7\u30f3\u9593\u306e\u5f8c\u65b9\u6563\u4e71\u30ec\u30d9\u30eb\u306e\u5909\u52d5<\/td><td>\u3069\u3061\u3089\u306e\u65b9\u5411\u304b\u3089\u3082\u660e\u3089\u304b\u306a\u640d\u5931\u304c\u6b8b\u3063\u3066\u3044\u308b<\/td><\/tr><tr><td>\u30ea\u30b9\u30d7\u30e9\u30a4\u30b7\u30f3\u30b0\u306e\u5f71\u97ff<\/td><td>\u65b9\u5411\u6027\u306e\u9055\u3044\u304c\u6b8b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<\/td><td>\u640d\u5931\u306f\u6539\u5584\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<\/td><\/tr><tr><td>\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u640d\u5931<\/td><td>\u307e\u3060\u6b63\u5e38\u306a\u72b6\u614b\u304b\u3082\u3057\u308c\u306a\u3044<\/td><td>\u3084\u308a\u3059\u304e\u304b\u3082\u3057\u308c\u306a\u3044<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-a8f38e4c\">\u3053\u306e\u8868\u306f\u8a3a\u65ad\u30ac\u30a4\u30c9\u3067\u3042\u308a\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30c6\u30b9\u30c8\u4ed5\u69d8\u66f8\u306e\u4ee3\u308f\u308a\u3068\u306a\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-00e6bcf0\">\u9069\u5207\u306aLuLeey\u30c6\u30b9\u30c8\u74b0\u5883\u306e\u9078\u5b9a<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-cd0003d4\">\u6700\u521d\u307e\u305f\u306f\u6700\u5f8c\u306e\u30b9\u30d7\u30e9\u30a4\u30b9\u304c\u96a0\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30b2\u30a4\u30ca\u30fc\u3092\u89e3\u91c8\u3059\u308b\u524d\u306b\u3001\u57fa\u6e96\u30b1\u30fc\u30d6\u30eb\u3068\u30c7\u30c3\u30c9\u30be\u30fc\u30f3\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-95ad87e6\">LuLeey\u2019s <a href=\"https:\/\/www.luleey.com\/ja\/product\/single-mode-fiber-optic-otdr-launch-cable-box\/\">\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9OTDR\u7528\u30e9\u30f3\u30c1\u30e3\u30fc\u30b1\u30fc\u30d6\u30eb\u30dc\u30c3\u30af\u30b9<\/a> \u3055\u307e\u3056\u307e\u306a\u30b3\u30cd\u30af\u30bf\u3084\u9577\u3055\u304b\u3089\u304a\u9078\u3073\u3044\u305f\u3060\u3051\u307e\u3059\u3002\u3054\u6ce8\u6587\u306e\u969b\u306f\u3001OTDR\u30dd\u30fc\u30c8\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b3\u30cd\u30af\u30bf\u3001\u7814\u78e8\u72b6\u614b\u3001\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u7a2e\u985e\u3001\u6ce2\u9577\u3001\u304a\u3088\u3073\u5fc5\u8981\u306a\u8ddd\u96e2\u3092\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ea4f52dc\">\u3053\u306e\u6e2c\u5b9a\u65b9\u6cd5\u3092\u521d\u3081\u3066\u3054\u5229\u7528\u306b\u306a\u308b\u65b9\u306f\u3001\u307e\u305a\u4ee5\u4e0b\u3092\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044 <a href=\"https:\/\/www.luleey.com\/ja\/what-are-tdr-and-otdr-simple-easy-to-understand-explanation\/\">TDR\u3068OTDR\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/a> \u9285\u7dda\u3092\u7528\u3044\u305f\u6642\u9593\u9818\u57df\u8a66\u9a13\u3068\u5149\u5f8c\u65b9\u6563\u4e71\u8a66\u9a13\u306e\u57fa\u672c\u7684\u306a\u9055\u3044\u306b\u3064\u3044\u3066\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-03ec7970\">\u6700\u7d42\u7684\u306a\u7b54\u3048<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d2fc0dac\">OTDR\u30b2\u30a4\u30f3\u5897\u5e45\u5668\u306f\u3001\u901a\u5e38\u3001\u898b\u304b\u3051\u4e0a\u306e <a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/negative-splice-loss\/\" title=\"\u300cNegative Splice Loss\u300d\u306e\u3059\u3079\u3066\u306e\u6295\u7a3f\u3092\u8868\u793a\">\u8ca0\u306e\u30b9\u30d7\u30e9\u30a4\u30b9\u640d\u5931<\/a> \u3053\u308c\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u306e\u4e21\u5074\u306b\u3042\u308b\u30d5\u30a1\u30a4\u30d0\u30fc\u306b\u304a\u3051\u308b\u5f8c\u65b9\u6563\u4e71\u30ec\u30d9\u30eb\u306e\u5dee\u306b\u3088\u3063\u3066\u5f15\u304d\u8d77\u3053\u3055\u308c\u308b\u3082\u306e\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u771f\u306e\u610f\u5473\u3067\u306e\u5149\u5897\u5e45\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ef9baff2\">\u6b63\u89e3\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e21\u7aef\u3067\u3001\u540c\u7b49\u306e\u8a2d\u5b9a\u306b\u3057\u3066\u30ea\u30f3\u30af\u3092\u30c6\u30b9\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u4e21\u65b9\u306e\u30c8\u30ec\u30fc\u30b9\u306b\u304a\u3044\u3066\u3001\u540c\u3058\u7269\u7406\u7684\u306a\u30b9\u30d7\u30e9\u30a4\u30b9\u3092\u5bfe\u5fdc\u3055\u305b\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u6b63\u8ca0\u306e\u7b26\u53f7\u306f\u305d\u306e\u307e\u307e\u6b8b\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>2\u3064\u306e\u7b26\u53f7\u4ed8\u304d\u30a4\u30d9\u30f3\u30c8\u640d\u5931\u6e2c\u5b9a\u5024\u306e\u5e73\u5747\u3092\u7b97\u51fa\u3059\u308b\u3002.<\/li>\n\n\n\n<li>\u53cc\u65b9\u5411\u306e\u7d50\u679c\u3092\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u5236\u9650\u5024\u3068\u6bd4\u8f03\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u30ea\u30f3\u30af\u5168\u4f53\u306e\u640d\u5931\u3092\u8a8d\u8a3c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u633f\u5165\u640d\u5931\u8a66\u9a13\u3092\u5b9f\u65bd\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-1c1c32ec\">\u4fee\u6b63\u5f8c\u306e\u7d50\u679c\u3084\u305d\u306e\u4ed6\u306e\u8a3c\u62e0\u304b\u3089\u3001\u5b9f\u969b\u306b\u554f\u984c\u304c\u3042\u308b\u3053\u3068\u304c\u793a\u3055\u308c\u305f\u5834\u5408\u306b\u306e\u307f\u3001\u518d\u30b9\u30d7\u30e9\u30a4\u30b9\u3092\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002\u5358\u306b\u5f97\u70b9\u304c1\u3064\u5897\u3048\u305f\u3001\u3042\u308b\u3044\u306f\u6e1b\u3063\u305f\u3068\u3044\u3046\u3060\u3051\u3067\u306f\u4e0d\u5341\u5206\u3067\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u65b9\u5411 A\u2192B\u3000\u65b9\u5411 B\u2192A\u3000\u8003\u3048\u3089\u308c\u308b\u89e3\u91c8\u3000\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u3000\u8ca0\u306e\u640d\u5931\u3000\u3088\u308a\u5927\u304d\u306a\u6b63\u306e\u640d\u5931\u3000\u5f8c\u65b9\u6563\u4e71\u306e\u5dee\u306b\u3088\u3063\u3066\u751f\u3058\u308b\u5178\u578b\u7684\u306a\u5229\u5f97\u30fb\u640d\u5931\u306e\u30da\u30a2<\/p>","protected":false},"author":1,"featured_media":22080,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[886],"tags":[58,1507,1508,1171,1506,1509],"class_list":["post-22078","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-network-maintenance","tag-otdr","tag-bidirectional-otdr","tag-fiber-splicing","tag-fiber-testing","tag-negative-splice-loss","tag-otdr-gainer"],"_links":{"self":[{"href":"https:\/\/www.luleey.com\/ja\/wp-json\/wp\/v2\/posts\/22078","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.luleey.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.luleey.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.luleey.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.luleey.com\/ja\/wp-json\/wp\/v2\/comments?post=22078"}],"version-history":[{"count":1,"href":"https:\/\/www.luleey.com\/ja\/wp-json\/wp\/v2\/posts\/22078\/revisions"}],"predecessor-version":[{"id":22081,"href":"https:\/\/www.luleey.com\/ja\/wp-json\/wp\/v2\/posts\/22078\/revisions\/22081"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.luleey.com\/ja\/wp-json\/wp\/v2\/media\/22080"}],"wp:attachment":[{"href":"https:\/\/www.luleey.com\/ja\/wp-json\/wp\/v2\/media?parent=22078"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.luleey.com\/ja\/wp-json\/wp\/v2\/categories?post=22078"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.luleey.com\/ja\/wp-json\/wp\/v2\/tags?post=22078"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}