{"id":21902,"date":"2026-08-22T14:40:44","date_gmt":"2026-08-22T06:40:44","guid":{"rendered":"https:\/\/www.luleey.com\/?p=21902"},"modified":"2026-08-22T14:40:47","modified_gmt":"2026-08-22T06:40:47","slug":"fiber-passes-a-vfl-test-but-still-has-no-link-why","status":"publish","type":"post","link":"https:\/\/www.luleey.com\/ja\/fiber-passes-a-vfl-test-but-still-has-no-link-why\/","title":{"rendered":"\u30d5\u30a1\u30a4\u30d0\u30fc\u306fVFL\u30c6\u30b9\u30c8\u306b\u5408\u683c\u3057\u305f\u3082\u306e\u306e\u3001\u4f9d\u7136\u3068\u3057\u3066\u63a5\u7d9a\u3055\u308c\u3066\u3044\u306a\u3044\u2015\u2015\u306a\u305c\uff1f"},"content":{"rendered":"<p class=\"wp-block-wd-paragraph wd-d71e5cf5\">\u3082\u3057\u3042\u306a\u305f\u306e <strong>\u30d5\u30a1\u30a4\u30d0\u30fc\u306fa\u3092\u901a\u904e\u3057\u3001 <a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/vfl-test\/\" title=\"VFL\u30c6\u30b9\u30c8\u306e\u3059\u3079\u3066\u306e\u6295\u7a3f\u3092\u8868\u793a\">VFL\u30c6\u30b9\u30c8<\/a> \u3057\u304b\u3057\u3001\u307e\u3060\u30ea\u30f3\u30af\u304c\u3042\u308a\u307e\u305b\u3093<\/strong>, 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href=\"https:\/\/www.luleey.com\/ja\/tag\/visual-fault-locator\/\" title=\"Visual Fault Locator \u306e\u6295\u7a3f\u3092\u3059\u3079\u3066\u8868\u793a\">\u30d3\u30b8\u30e5\u30a2\u30eb\u30fb\u30d5\u30a9\u30eb\u30c8\u30fb\u30ed\u30b1\u30fc\u30bf\u30fc<\/a> \u30b8\u30e3\u30f3\u30d1\u30fc\u7dda\u306e\u65ad\u7dda\u7b87\u6240\u3092\u898b\u3064\u3051\u305f\u308a\u3001\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u7d4c\u8def\u3092\u8ffd\u8de1\u3057\u305f\u308a\u3001\u57fa\u672c\u7684\u306a\u5c0e\u901a\u3092\u78ba\u8a8d\u3057\u305f\u308a\u3001\u6025\u306a\u66f2\u304c\u308a\u3084\u3072\u3073\u5272\u308c\u306e\u3042\u308b\u7b87\u6240\u3092\u7279\u5b9a\u3057\u305f\u308a\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u308c\u306f\u5b8c\u5168\u306a\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u8a8d\u8a3c\u30c4\u30fc\u30eb\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<div class=\"wp-block-wd-image wd-block-image wd-c791c748\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" class=\"wp-image-21903\" src=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/vfl-pass-but-fiber-link-down-hero.png\" alt=\"\" title=\"\" srcset=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/vfl-pass-but-fiber-link-down-hero.png 1000w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/vfl-pass-but-fiber-link-down-hero-800x800.png 800w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/vfl-pass-but-fiber-link-down-hero-400x400.png 400w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/vfl-pass-but-fiber-link-down-hero-768x768.png 768w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/vfl-pass-but-fiber-link-down-hero-12x12.png 12w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/vfl-pass-but-fiber-link-down-hero-150x150.png 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/div>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-8cf9cb5a\">VFL\u30c6\u30b9\u30c8\u306e\u6210\u529f\u304c\u5b9f\u969b\u306b\u4f55\u3092\u8a3c\u660e\u3059\u308b\u306e\u304b<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-a20b83f6\">VFL\u306f\u3001\u53ef\u8996\u8d64\u8272\u30ec\u30fc\u30b6\u30fc\u5149\uff08\u901a\u5e38\u306f\u7d04650nm\uff09\u3092\u30d5\u30a1\u30a4\u30d0\u30fc\u306b\u6ce8\u5165\u3057\u307e\u3059\u3002\u8d64\u8272\u5149\u304c\u53cd\u5bfe\u5074\u306e\u7aef\u307e\u3067\u5230\u9054\u3059\u308c\u3070\u3001\u305d\u306e\u30d5\u30a1\u30a4\u30d0\u30fc\u306f\u5c11\u306a\u304f\u3068\u3082\u3042\u308b\u7a0b\u5ea6\u306e\u5149\u3092\u4e00\u65b9\u306e\u7aef\u304b\u3089\u3082\u3046\u4e00\u65b9\u306e\u7aef\u307e\u3067\u4f1d\u9001\u3067\u304d\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-217e1358\">\u30c6\u30b9\u30c8\u304c\u6210\u529f\u3059\u308c\u3070\u3001\u4ee5\u4e0b\u306e\u7d50\u8ad6\u3092\u88cf\u4ed8\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u305d\u306e\u7e4a\u7dad\u306f\u3001\u304a\u305d\u3089\u304f\u5b8c\u5168\u306b\u5207\u308c\u3066\u306f\u3044\u306a\u3044\u3067\u3057\u3087\u3046\u3002.<\/li>\n\n\n\n<li>\u30c6\u30b9\u30c8\u5bfe\u8c61\u306e\u7d4c\u8def\u306f\u3001\u304a\u305d\u3089\u304f\u60f3\u5b9a\u3055\u308c\u305f\u9060\u7aef\u30b3\u30cd\u30af\u30bf\u306b\u5230\u9054\u3057\u3066\u3044\u308b\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002.<\/li>\n\n\n\n<li>\u76ee\u8996\u3067\u304d\u308b\u307b\u3069\u8fd1\u3044\u4f4d\u7f6e\u306b\u3001\u5927\u304d\u306a\u65ad\u5c64\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002.<\/li>\n\n\n\n<li>\u3053\u306e\u30d5\u30a1\u30a4\u30d0\u30fc\u306f\u3001\u30d1\u30c3\u30c1\u30d1\u30cd\u30eb\u307e\u305f\u306f\u30d0\u30f3\u30c9\u30eb\u3092\u305f\u3069\u3063\u3066\u8ffd\u8de1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/li>\n\n\n\n<li>\u5f37\u3044\u8d64\u8272\u306e\u5149\u6f0f\u308c\u306f\u3001\u4e80\u88c2\u3001\u6fc0\u3057\u3044\u66f2\u304c\u308a\u3001\u4e0d\u9069\u5207\u306a\u6a5f\u68b0\u7684\u63a5\u7d9a\u3001\u307e\u305f\u306f\u640d\u50b7\u3057\u305f\u63a5\u7d9a\u7b87\u6240\u306e\u7279\u5b9a\u306b\u5f79\u7acb\u3064\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-7a7896ad\">\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u5354\u4f1a\u306f\u3001VFL\u3092\u5c0e\u901a\u691c\u67fb\u3001\u30c8\u30ec\u30fc\u30b9\u3001\u304a\u3088\u3073\u65ad\u7dda\u3084\u9ad8\u640d\u5931\u7b87\u6240\u306e\u8996\u899a\u7684\u306a\u7279\u5b9a\u3092\u884c\u3046\u305f\u3081\u306e\u30c4\u30fc\u30eb\u3068\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u3053\u304cVFL\u306e\u5f37\u307f\u3067\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-b25cf2a0\">\u3057\u304b\u3057\u3001\u300c\u53ef\u8996\u5149\u304c\u4e00\u90e8\u5230\u9054\u3059\u308b\u300d\u3068\u3044\u3046\u3053\u3068\u306f\u3001\u300c\u305d\u306e\u30ea\u30f3\u30af\u304c\u5149\u5b66\u7684\u4e88\u7b97\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u300d\u3068\u3044\u3046\u3053\u3068\u3068\u306f\u540c\u3058\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u201c<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-3d059176\">VFL\u30c6\u30b9\u30c8\u3067\u306f\u8a3c\u660e\u3067\u304d\u306a\u3044\u3053\u3068<\/h2>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-0465a8aa\">\u633f\u5165\u640d\u5931\u306f\u6e2c\u5b9a\u3057\u307e\u305b\u3093<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-06346bb6\">\u76ee\u8996\u3060\u3051\u3067\u306f\u3001\u8d64\u8272\u5149\u306e\u660e\u308b\u3055\u3092\u4fe1\u983c\u3067\u304d\u308bdB\u5024\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u640d\u5931\u304c\u5927\u304d\u3059\u304e\u308b\u30b1\u30fc\u30d6\u30eb\u3067\u3042\u3063\u3066\u3082\u3001\u7279\u306b\u77ed\u3044\u30b8\u30e3\u30f3\u30d1\u30fc\u30b1\u30fc\u30d6\u30eb\u306e\u5834\u5408\u3084\u9ad8\u51fa\u529b\u306eVFL\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u306f\u3001\u9060\u7aef\u3067\u8d64\u8272\u5149\u304c\u8996\u8a8d\u3067\u304d\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-9991b64d\">\u640d\u5931\u3092\u6e2c\u5b9a\u3059\u308b\u306b\u306f\u3001\u6821\u6b63\u6e08\u307f\u306e\u5149\u6e90\u3092\u4f7f\u7528\u3057\u3001 <a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/optical-power-meter\/\" title=\"\u5149\u30d1\u30ef\u30fc\u30e1\u30fc\u30bf\u30fc\u306e\u6295\u7a3f\u3092\u3059\u3079\u3066\u8868\u793a\">\u5149\u30d1\u30ef\u30fc\u30e1\u30fc\u30bf<\/a> \u6709\u52b9\u306a\u57fa\u6e96\u4fe1\u53f7\u3092\u7528\u3044\u3066\u3002\u52d5\u4f5c\u4e2d\u306e\u53d7\u4fe1\u6a5f\u306e\u5165\u529b\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001\u6b63\u3057\u3044\u6ce2\u9577\u3067\u5149\u30d1\u30ef\u30fc\u3092\u6e2c\u5b9a\u3057\u3001\u53d7\u4fe1\u6a5f\u306e\u6b63\u78ba\u306a\u4ed5\u69d8\u5024\u3068\u6bd4\u8f03\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-cbc7d004\">\u52d5\u4f5c\u6ce2\u9577\u3092\u691c\u8a3c\u3057\u307e\u305b\u3093<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph 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wd-3df0464c\">\u307e\u305f\u30012\u3064\u306e\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u304c\u4e92\u3044\u306b\u4e00\u81f4\u3059\u308b\u6ce2\u9577\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3082\u78ba\u8a8d\u3067\u304d\u307e\u305b\u3093\u3002U\/D\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u9593\u9055\u3063\u3066\u3044\u308bBiDi\u30da\u30a2\u306f\u3001\u5c0e\u901a\u30c6\u30b9\u30c8\u306b\u5408\u683c\u3057\u3066\u3082\u3001\u30ea\u30f3\u30af\u304c\u78ba\u7acb\u3055\u308c\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-f318d66f\">Tx\/Rx\u306e\u6975\u6027\u306f\u691c\u8a3c\u3055\u308c\u307e\u305b\u3093<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-b2e350d3\">VFL\u306f\u500b\u3005\u306e\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u3092\u8ffd\u8de1\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u304c\u30011\u672c\u306e\u30d5\u30a1\u30a4\u30d0\u30fc\u3092\u901a\u3057\u3066\u8d64\u8272\u5149\u304c\u898b\u3048\u308b\u304b\u3089\u3068\u3044\u3063\u3066\u3001\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u30ea\u30f3\u30af\u306b\u304a\u3044\u3066\u9001\u4fe1\u6a5f\u306e\u51fa\u529b\u304c\u6b63\u3057\u3044\u53d7\u4fe1\u6a5f\u306e\u5165\u529b\u306b\u5230\u9054\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u8a3c\u660e\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-9621d3fa\">2\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u306e\u5834\u5408\u3001\u4e00\u65b9\u306e\u5074\u306eTX\u4fe1\u53f7\u306f\u3001\u3082\u3046\u4e00\u65b9\u306e\u5074\u306eRX\u306b\u5230\u9054\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u30ea\u30f3\u30af\u304c\u30c0\u30a6\u30f3\u3057\u3066\u3044\u308b\u9593\u306f\u3001\u4e21\u65b9\u306e\u30d5\u30a1\u30a4\u30d0\u30fc\u304c\u9023\u7d9a\u3057\u3066\u3044\u3066\u3082\u3001\u305d\u306e\u4f4d\u7f6e\u304c\u9006\u306b\u306a\u3063\u3066\u3044\u308b\u305f\u3081\u3001\u554f\u984c\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-4ffa560f\">\u30d7\u30ed\u30c8\u30b3\u30eb\u3084\u901f\u5ea6\u306e\u691c\u8a3c\u306f\u884c\u3044\u307e\u305b\u3093<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-3dceccde\">\u9023\u7d9a\u30d5\u30a1\u30a4\u30d0\u30fc\u3067\u306f\u3001\u4e92\u63db\u6027\u306e\u306a\u3044\u6a5f\u5668\u9593\u306e\u901a\u4fe1\u3092\u5b9f\u73fe\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u4f8b\u3068\u3057\u3066\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1G <a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/sfp\/\" title=\"SFP \u306e\u6295\u7a3f\u3092\u3059\u3079\u3066\u8868\u793a\">\u306d\u3093\u308a\u3087\u3046\u30d7\u30fc\u30eb<\/a> \u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u30e2\u30fc\u30c9\u306b\u56fa\u5b9a\u3055\u308c\u305f\u30db\u30b9\u30c8\u30dd\u30fc\u30c8\u3068\u30da\u30a2\u306b\u306a\u3063\u3066\u3044\u308b<\/li>\n\n\n\n<li>10G\u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u30011G\u5c02\u7528\u306e\u30ea\u30e2\u30fc\u30c8\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u69cb\u6210<\/li>\n\n\n\n<li>PON\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u63a5\u7d9a\u3055\u308c\u305f\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc<\/li>\n\n\n\n<li>\u4e92\u63db\u6027\u306e\u306a\u3044XGS-PON\u30b5\u30fc\u30d3\u30b9\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308bGPON ONU<\/li>\n\n\n\n<li>\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3001\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3001\u30c9\u30e9\u30a4\u30d0\u3001\u307e\u305f\u306f\u30db\u30b9\u30c8\u306e\u30dd\u30ea\u30b7\u30fc\u3092\u7406\u7531\u306b\u62d2\u5426\u3055\u308c\u305f\u30e2\u30b8\u30e5\u30fc\u30eb<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c977b5f3\">SFP\u307e\u305f\u306fSFP+\u306e\u7269\u7406\u7684\u306a\u30b1\u30fc\u30b8\u3060\u3051\u3067\u306f\u3001\u4e92\u63db\u6027\u304c\u4fdd\u8a3c\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30db\u30b9\u30c8\u306eSerDes\u30e2\u30fc\u30c9\u3001\u8a2d\u5b9a\u307e\u305f\u306f\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u3055\u308c\u305f\u8ee2\u9001\u901f\u5ea6\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3001\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3001\u30c9\u30e9\u30a4\u30d0\u3001\u304a\u3088\u3073\u30ea\u30e2\u30fc\u30c8\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306a\u3069\u3092\u6b63\u78ba\u306b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-2f260d9f\">\u305d\u308c\u3060\u3051\u3067\u306f\u3001\u53d7\u4fe1\u6a5f\u306e\u96fb\u529b\u304c\u5b89\u5168\u3067\u3042\u308b\u3053\u3068\u3092\u8a3c\u660e\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-571c6b9d\">\u30b3\u30cd\u30af\u30bf\u306e\u6c5a\u308c\u3001\u30b9\u30d7\u30ea\u30c3\u30bf\u306e\u640d\u5931\u3001\u30b1\u30fc\u30d6\u30eb\u306e\u66f2\u304c\u308a\u3001\u63a5\u7d9a\u90e8\u306e\u7d99\u304e\u76ee\u3001\u3042\u308b\u3044\u306f\u8ddd\u96e2\u304c\u539f\u56e0\u3067\u3001\u53d7\u4fe1\u4fe1\u53f7\u304c\u5f31\u3059\u304e\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u4fe1\u53f7\u304c\u5f37\u3059\u304e\u3066\u3001\u77ed\u3044\u30ea\u30f3\u30af\u3067\u306f\u611f\u5ea6\u306e\u9ad8\u3044\u53d7\u4fe1\u6a5f\u306b\u904e\u8ca0\u8377\u304c\u304b\u304b\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-6fe4b43e\">VFL\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u6761\u4ef6\u3092\u533a\u5225\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-5ff141ae\">\u30b3\u30cd\u30af\u30bf\u306e\u6e05\u6d44\u6027\u304c\u8a3c\u660e\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-35e1593c\">\u30b3\u30cd\u30af\u30bf\u304c\u6c5a\u308c\u3066\u3044\u308b\u3068\u3001\u53ef\u8996\u5149\u306f\u901a\u904e\u3059\u308b\u4e00\u65b9\u3067\u3001\u30b5\u30fc\u30d3\u30b9\u6ce2\u9577\u57df\u3067\u306f\u640d\u5931\u3084\u53cd\u5c04\u304c\u751f\u3058\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u30b3\u30cd\u30af\u30bf\u3092\u518d\u63a5\u7d9a\u3059\u308b\u3068\u3001\u6c5a\u67d3\u7269\u8cea\u304c\u304d\u308c\u3044\u306a\u30a2\u30c0\u30d7\u30bf\u3084\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u306e\u30dd\u30fc\u30c8\u306b\u79fb\u3063\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-1678f04f\">\u30ea\u30f3\u30af\u304c\u307e\u3060\u5fa9\u65e7\u3057\u3066\u3044\u306a\u30447\u3064\u306e\u7406\u7531<\/h2>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-b414711d\">1. 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wd-eebe540f\">\u5149\u51fa\u529b\u304c\u5b58\u5728\u3057\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u307e\u3067\u306f\u3001\u76f4\u8996\u578b\u9855\u5fae\u93e1\u3092\u4f7f\u7528\u3057\u3066\u672a\u77e5\u306e\u30d5\u30a1\u30a4\u30d0\u30fc\u3092\u691c\u67fb\u3057\u3066\u306f\u306a\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-cf4d0e23\">2. VFL\u304c\u5b9a\u91cf\u5316\u3067\u304d\u306a\u3044\u904e\u5927\u306a\u640d\u5931<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-209d682b\">\u63a5\u7d9a\u90e8\u306e\u63a5\u89e6\u4e0d\u826f\u3001\u63a5\u7d9a\u90e8\u306e\u7de9\u307f\u3001\u914d\u7dda\u306e\u9577\u3055\u3001\u30b9\u30d7\u30ea\u30c3\u30bf\u30fc\u3001\u3042\u308b\u3044\u306f\u3044\u304f\u3064\u304b\u306e\u5c0f\u3055\u306a\u640d\u5931\u304c\u3042\u308b\u3068\u3001\u76ee\u306b\u306f\u5341\u5206\u306a\u91cf\u306e\u53ef\u8996\u8d64\u8272\u5149\u304c\u898b\u3048\u308b\u4e00\u65b9\u3067\u3001\u5b9f\u969b\u306e\u53d7\u4fe1\u6a5f\u306f\u611f\u5ea6\u9650\u754c\u3092\u4e0b\u56de\u3063\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-23421204\">RX\u51fa\u529b\u3092dBm\u5358\u4f4d\u3067\u6e2c\u5b9a\u3059\u308b\u304b\u3001\u633f\u5165\u640d\u5931\u8a66\u9a13\u3092\u5b9f\u65bd\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u306e\u7d50\u679c\u3092\u3001\u4e00\u822c\u7684\u306a\u300c\u9069\u5207\u306a\u30d5\u30a1\u30a4\u30d0\u30fc\u51fa\u529b\u300d\u5024\u3067\u306f\u306a\u304f\u3001\u5f53\u8a72\u306e\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u3001ONU\u3001\u307e\u305f\u306fONT\u306e\u6b63\u78ba\u306a\u4ed5\u69d8\u5024\u3068\u6bd4\u8f03\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-cd9ee188\">3. \u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u9001\u53d7\u4fe1\u306e\u6975\u6027\u304c\u9006\u306b\u306a\u3063\u3066\u3044\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-fa55c9b2\">\u3053\u308c\u306f2\u82af\u306e\u30ea\u30f3\u30af\u306b\u9069\u7528\u3055\u308c\u307e\u3059\u3002\u73fe\u5728\u306e\u4f4d\u7f6e\u306b\u30e9\u30d9\u30eb\u3092\u4ed8\u3051\u3001\u4e00\u65b9\u306e\u7aef\u306e\u307f\u306e2\u672c\u306e\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u3092\u5165\u308c\u66ff\u3048\u3066\u304b\u3089\u3001\u30ea\u30f3\u30af\u3092\u518d\u5ea6\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30ea\u30f3\u30af\u304c\u4f9d\u7136\u3068\u3057\u3066\u30c0\u30a6\u30f3\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u5143\u306e\u914d\u7f6e\u306b\u623b\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-16a7970d\">\u3053\u306e\u65b9\u6cd5\u306f\u3001\u5358\u4e00\u30d5\u30a1\u30a4\u30d0\u30fc\u306eBiDi\u3001PON\u3001AOC\u3001\u307e\u305f\u306fMPO\u63a5\u7d9a\u306b\u306f\u9069\u7528\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002LuLeey\u306e <a>\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u9001\u53d7\u4fe1\u6975\u6027\u30ac\u30a4\u30c9<\/a> \u6b63\u3057\u3044\u9069\u7528\u7bc4\u56f2\u3068\u624b\u9806\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-1522120c\">4. \u6ce2\u9577\u306e\u4e0d\u4e00\u81f4\u307e\u305f\u306fBiDi\u30da\u30a2\u30ea\u30f3\u30b0<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-e199ec5d\">\u901a\u5e38\u306e\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u30fb\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc2\u53f0\u306f\u3001\u901a\u5e38\u3001\u4e21\u7aef\u3067\u540c\u3058\u52d5\u4f5c\u6ce2\u9577\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001\u30b7\u30f3\u30b0\u30eb\u30d5\u30a1\u30a4\u30d0\u30fcBiDi\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u306f\u3001\u9001\u4fe1\u6ce2\u9577\u3068\u53d7\u4fe1\u6ce2\u9577\u304c\u4e92\u3044\u306b\u88dc\u5b8c\u3057\u5408\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-b576eca8\">\u901a\u5e38\u3001\u9001\u4fe1\u6ce2\u9577\u304c\u540c\u30582\u3064\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u4e92\u3044\u306b\u901a\u4fe1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002\u300c10G\u300d\u3084\u300c20km\u300d\u3001\u3042\u308b\u3044\u306f\u30b3\u30cd\u30af\u30bf\u306e\u7a2e\u985e\u3060\u3051\u306b\u983c\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u5b8c\u5168\u306a\u578b\u756a\u3068TX\/RX\u6ce2\u9577\u8868\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-997d54eb\">5. \u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u7a2e\u985e\u304c\u5149\u5b66\u90e8\u54c1\u3068\u4e00\u81f4\u3057\u306a\u3044<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-a4ff1860\">\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u304b\u30de\u30eb\u30c1\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u304b\u3001\u30b3\u30cd\u30af\u30bf\u306e\u7814\u78e8\u72b6\u614b\u3001\u30b3\u30a2\u306e\u7a2e\u985e\u3001\u304a\u3088\u3073\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u306e\u4ed5\u69d8\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5149\u5b66\u7cfb\u304c\u9069\u5408\u3057\u3066\u3044\u306a\u304f\u3066\u3082\u3001\u30b3\u30cd\u30af\u30bf\u306f\u6a5f\u68b0\u7684\u306b\u306f\u63a5\u7d9a\u3067\u304d\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-bc7eb7fa\">6. \u30e2\u30b8\u30e5\u30fc\u30eb\u3001\u30dd\u30fc\u30c8\u3001\u307e\u305f\u306f\u30db\u30b9\u30c8\u30e2\u30fc\u30c9\u304c\u4e92\u63db\u6027\u304c\u306a\u3044<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-0cadd283\">\u4e21\u65b9\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b9\u30a4\u30c3\u30c1\u3001\u30eb\u30fc\u30bf\u30fc\u3001NIC\u3001\u30e1\u30c7\u30a3\u30a2\u30b3\u30f3\u30d0\u30fc\u30bf\u30fc\u3001ONU\u3001\u307e\u305f\u306fONT\u306e\u6b63\u78ba\u306a\u578b\u756a<\/li>\n\n\n\n<li>\u30dd\u30fc\u30c8\u901f\u5ea6\u304a\u3088\u3073\u5bfe\u5fdc\u3059\u308bSerDes\u30e2\u30fc\u30c9<\/li>\n\n\n\n<li>\u30aa\u30fc\u30c8\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u307e\u305f\u306f\u5f37\u5236\u901f\u5ea6\u8a2d\u5b9a<\/li>\n\n\n\n<li>\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3068\u30d9\u30f3\u30c0\u30fc\u30dd\u30ea\u30b7\u30fc<\/li>\n\n\n\n<li>\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u304a\u3088\u3073\u30c9\u30e9\u30a4\u30d0\u306e\u30d0\u30fc\u30b8\u30e7\u30f3<\/li>\n\n\n\n<li>\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u96fb\u529b\u304a\u3088\u3073\u71b1\u306b\u95a2\u3059\u308b\u5236\u9650<\/li>\n\n\n\n<li>\u30a2\u30e9\u30fc\u30e0\u3001LOS\u3001\u304a\u3088\u3073\u8a3a\u65ad\u30ed\u30b0<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-b0810e6e\">\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u30b1\u30fc\u30b8\u306b\u53ce\u307e\u308b\u3068\u3044\u3046\u7406\u7531\u3060\u3051\u3067\u3001\u3042\u308b\u3044\u306f\u305d\u306e\u540d\u79f0\u306b\u300cSFP\u300d\u3001\u300cSFP+\u300d\u3001\u307e\u305f\u306f\u516c\u79f0\u30c7\u30fc\u30bf\u30ec\u30fc\u30c8\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u3068\u3044\u3046\u7406\u7531\u3060\u3051\u3067\u3001\u305d\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u4e92\u63db\u6027\u304c\u3042\u308b\u3068\u306f\u7d50\u8ad6\u3065\u3051\u3066\u306f\u306a\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-0d4606a8\">7. \u5149\u8def\u306f\u6a5f\u80fd\u3057\u3066\u3044\u308b\u304c\u3001\u30b5\u30fc\u30d3\u30b9\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u306a\u3044<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c7968822\">\u3053\u308c\u306fPON\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3088\u304f\u3042\u308b\u3053\u3068\u3067\u3059\u3002ONU\u306f\u30c0\u30a6\u30f3\u30b9\u30c8\u30ea\u30fc\u30e0\u5149\u4fe1\u53f7\u3092\u53d7\u4fe1\u3057\u3066\u3044\u3066\u3082\u3001\u30b7\u30ea\u30a2\u30eb\u756a\u53f7\u3001LOID\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u3001OMCI\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3001VLAN\u3001\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3001OLT\u8a8d\u8a3c\u304c\u6b63\u3057\u304f\u306a\u3044\u5834\u5408\u3084\u3001\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u306a\u3044ONU\u3068OLT\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u3042\u308b\u5834\u5408\u306a\u3069\u306b\u3088\u308a\u3001\u767b\u9332\u306b\u5931\u6557\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ffbf4576\">VFL\u306e\u7d99\u7d9a\u6027\u30c6\u30b9\u30c8\u3067\u306f\u3001\u767b\u9332\u3084\u30b5\u30fc\u30d3\u30b9\u8a2d\u5b9a\u3092\u691c\u8a3c\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d1e8faf2\"><\/p>\n\n\n\n<div class=\"wp-block-wd-image wd-block-image wd-f37956b7\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" class=\"wp-image-21904\" src=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/vfl-fiber-troubleshooting-workflow.png\" alt=\"\" title=\"\" srcset=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/vfl-fiber-troubleshooting-workflow.png 1000w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/vfl-fiber-troubleshooting-workflow-800x800.png 800w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/vfl-fiber-troubleshooting-workflow-400x400.png 400w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/vfl-fiber-troubleshooting-workflow-768x768.png 768w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/vfl-fiber-troubleshooting-workflow-12x12.png 12w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/08\/vfl-fiber-troubleshooting-workflow-150x150.png 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/div>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-69f72c6e\">\u3088\u308a\u52b9\u679c\u7684\u306a\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u624b\u9806<\/h2>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-9b2039a9\">\u624b\u9806 1\uff1a\u7e4a\u7dad\u3092\u5b89\u5168\u306b\u6271\u3048\u308b\u72b6\u614b\u306b\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8f274fdc\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e8b\u696d\u8005\u304a\u3088\u3073\u6a5f\u5668\u306e\u53d6\u308a\u6271\u3044\u624b\u9806\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3001\u7a3c\u50cd\u4e2d\u306e\u6a5f\u5668\u306e\u63a5\u7d9a\u3092\u89e3\u9664\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4e0d\u660e\u306a\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u3092\u53d6\u308a\u6271\u3046\u3001\u307e\u305f\u306f\u70b9\u691c\u3059\u308b\u524d\u306b\u3001\u30d1\u30ef\u30fc\u30e1\u30fc\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3066\u5149\u30d1\u30ef\u30fc\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-45114d4c\">\u30d5\u30a1\u30a4\u30d0\u30fc\u30b3\u30cd\u30af\u30bf\u3001\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u30fc\u3001\u30a2\u30c0\u30d7\u30bf\u3001\u307e\u305f\u306fVFL\u306e\u51fa\u529b\u90e8\u3092\u7d76\u5bfe\u306b\u8997\u304d\u8fbc\u307e\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002VFL\u306e\u6f0f\u308c\u5149\u306f\u3001\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u8ef8\u65b9\u5411\u3067\u306f\u306a\u304f\u3001\u6a2a\u304b\u3089\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-487ed92a\">\u30b9\u30c6\u30c3\u30d72\uff1a\u70b9\u691c\u3068\u6e05\u6383<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-fd19614f\">\u30d5\u30a1\u30a4\u30d0\u30fc\u304c\u5b89\u5168\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u305f\u5f8c\u3001\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a\u7aef\u9762\u3092\u70b9\u691c\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u76ee\u8996\u3067\u640d\u50b7\u304c\u78ba\u8a8d\u3055\u308c\u305f\u30b8\u30e3\u30f3\u30d1\u30fc\u306f\u3001\u6e05\u6383\u3057\u3001\u518d\u70b9\u691c\u3057\u305f\u4e0a\u3067\u4ea4\u63db\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-7c253bed\">\u30b9\u30c6\u30c3\u30d73\uff1aVFL\u3092\u4f7f\u7528\u3057\u3066\u5c0e\u901a\u304a\u3088\u3073\u5c40\u6240\u7684\u306a\u6545\u969c\u3092\u691c\u67fb\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-20cc277f\">\u9069\u5207\u306a\u30a2\u30c0\u30d7\u30bf\u30fc\u3092\u63a5\u7d9a\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u9023\u7d9a\u30e2\u30fc\u30c9\u307e\u305f\u306f\u30d1\u30eb\u30b9\u30e2\u30fc\u30c9\u3092\u9078\u629e\u3057\u3066\u3001\u30d5\u30a1\u30a4\u30d0\u30fc\u3092\u30c8\u30ec\u30fc\u30b7\u30f3\u30b0\u3057\u307e\u3059\u3002\u66f2\u304c\u308a\u90e8\u5206\u3001\u30b3\u30cd\u30af\u30bf\u3001\u30b9\u30d7\u30e9\u30a4\u30b9\u3001\u307e\u305f\u306f\u640d\u50b7\u7b87\u6240\u3067\u5149\u6f0f\u308c\u304c\u306a\u3044\u304b\u3001\u6a2a\u304b\u3089\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-4a717ce7\">\u4f5c\u696d\u306b\u9069\u3057\u305f\u51fa\u529b\u30ec\u30d9\u30eb\u306e\u307f\u3092\u4f7f\u7528\u3057\u3001\u88c5\u7f6e\u306e\u30ec\u30fc\u30b6\u30fc\u5206\u985e\u304a\u3088\u3073\u5b89\u5168\u4e0a\u306e\u6307\u793a\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002\u8868\u793a\u3055\u308c\u3066\u3044\u308bmW\u5024\u304c\u5927\u304d\u3044\u304b\u3089\u3068\u3044\u3063\u3066\u3001\u305d\u306e\u8a66\u9a13\u304c\u3088\u308a\u512a\u308c\u3066\u3044\u308b\u3001\u3042\u308b\u3044\u306f\u3088\u308a\u6b63\u78ba\u3067\u3042\u308b\u3068\u3044\u3046\u8a3c\u62e0\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ec42bf7c\">LuLeey\u2019s <a href=\"https:\/\/www.luleey.com\/ja\/product\/visual-fault-locator-1mw-10mw-20mw-30mw-50mw-vfl-laser-pen-ll-vfl-noli\/\">650nm\u53ef\u8996\u5149\u5f0f\u6545\u969c\u4f4d\u7f6e\u7279\u5b9a\u88c5\u7f6e<\/a> \u30c8\u30ec\u30fc\u30b9\u3084\u76ee\u8996\u306b\u3088\u308b\u6545\u969c\u7b87\u6240\u306e\u7279\u5b9a\u306e\u305f\u3081\u306b\u3001\u9023\u7d9a\u52d5\u4f5c\u304a\u3088\u3073\u30d1\u30eb\u30b9\u52d5\u4f5c\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u516c\u79f0\u8ddd\u96e2\u3060\u3051\u3067\u9078\u3076\u306e\u3067\u306f\u306a\u304f\u3001\u5b9f\u969b\u306e\u4f7f\u7528\u74b0\u5883\u306b\u5408\u308f\u305b\u3066\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u30b3\u30cd\u30af\u30bf\u30a2\u30c0\u30d7\u30bf\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-59ef2c21\">\u624b\u9806 4\uff1a\u30c8\u30dd\u30ed\u30b8\u30fc\u3068\u6975\u6027\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-da4f0e90\">\u5bfe\u8c61\u306e\u30d5\u30a1\u30a4\u30d0\u30fc\u3092\u30c6\u30b9\u30c8\u3057\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u63a5\u7d9a\u306e\u5834\u5408\u306f\u3001\u4e21\u65b9\u306e\u30b9\u30c8\u30e9\u30f3\u30c9\u3092\u8ffd\u8de1\u3057\u3001TX\u304b\u3089RX\u3078\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002BiDi\u304a\u3088\u3073PON\u306e\u5834\u5408\u306f\u3001\u305d\u306e\u63a5\u7d9a\u304c1\u672c\u306e\u30d5\u30a1\u30a4\u30d0\u30fc\u3092\u4f7f\u7528\u3059\u308b\u4ed5\u69d8\u3067\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-323ad7ef\">\u30b9\u30c6\u30c3\u30d75\uff1a\u5149\u30d1\u30ef\u30fc\u307e\u305f\u306f\u5149\u640d\u5931\u3092\u6e2c\u5b9a\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-81ca8e03\">\u52d5\u4f5c\u6ce2\u9577\u304a\u3088\u3073\u60f3\u5b9a\u3055\u308c\u308b\u51fa\u529b\u7bc4\u56f2\u306b\u5bfe\u5fdc\u3057\u305f\u5149\u30d1\u30ef\u30fc\u30e1\u30fc\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u9069\u5207\u306a\u6ce2\u9577\u8a2d\u5b9a\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-500c2e8c\">\u6b63\u5f0f\u306a\u633f\u5165\u640d\u5931\u8a66\u9a13\u3092\u884c\u3046\u969b\u306f\u3001\u4e92\u63db\u6027\u306e\u3042\u308b\u8a66\u9a13\u7528\u4fe1\u53f7\u6e90\u3001\u57fa\u6e96\u30b1\u30fc\u30d6\u30eb\u3001\u304a\u3088\u3073\u9069\u5207\u306b\u78ba\u7acb\u3055\u308c\u305f\u57fa\u6e96\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u8aa4\u3063\u305f\u6ce2\u9577\u3067\u3001\u3042\u308b\u3044\u306f\u6b63\u3057\u3044\u57fa\u6e96\u3092\u4f7f\u7528\u305b\u305a\u306b\u30d1\u30ef\u30fc\u30e1\u30fc\u30bf\u30fc\u3067\u6e2c\u5b9a\u3057\u305f\u5024\u306f\u3001\u8aa4\u89e3\u3092\u62db\u304f\u6050\u308c\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-9b8906d3\">LuLeey\u2019s <a href=\"https:\/\/www.luleey.com\/ja\/product-category\/testers-and-tools\/optical-power-meter-and-visual-fault-locator\/\">\u5149\u30d1\u30ef\u30fc\u30e1\u30fc\u30bf\u306e\u30ab\u30c6\u30b4\u30ea<\/a> 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wd-2d975e43\">\u4e21\u7aef\u70b9\u306e\u9001\u4fe1\u96fb\u529b\u3001\u53d7\u4fe1\u96fb\u529b\u3001\u53d7\u4fe1\u611f\u5ea6\u3001\u904e\u8ca0\u8377\u9650\u754c\u3001\u6ce2\u9577\u3001\u4f1d\u9001\u901f\u5ea6\u3001\u8ddd\u96e2\u30af\u30e9\u30b9\u3001\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u7a2e\u985e\u3001\u304a\u3088\u3073\u30b3\u30cd\u30af\u30bf\u306e\u7814\u78e8\u72b6\u614b\u3092\u8a18\u9332\u3059\u308b\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8c41df2b\">DDM\/DOM\u306e\u6e2c\u5b9a\u5024\u306f\u53c2\u8003\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u5b9f\u88c5\u4e0a\u306e\u5236\u7d04\u3084\u7cbe\u5ea6\u306e\u9650\u754c\u304c\u3042\u308a\u307e\u3059\u3002\u6e2c\u5b9a\u7d50\u679c\u304c\u95be\u5024\u306b\u8fd1\u3044\u5834\u5408\u306f\u3001\u9069\u5207\u306a\u6821\u6b63\u6e08\u307f\u306e\u8a66\u9a13\u88c5\u7f6e\u3092\u7528\u3044\u3066\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-wd-title title wd-280825ae\">\u624b\u9806 7\uff1a\u6a5f\u5668\u304a\u3088\u3073\u30b5\u30fc\u30d3\u30b9\u306e\u8a2d\u5b9a\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-5d6f6416\">\u30dd\u30fc\u30c8\u306e\u72b6\u614b\u3001\u901f\u5ea6\u3001\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3001\u30c9\u30e9\u30a4\u30d0\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30a2\u30e9\u30fc\u30e0\u304a\u3088\u3073\u30a8\u30e9\u30fc\u30ab\u30a6\u30f3\u30bf\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002PON\u306b\u3064\u3044\u3066\u306f\u3001\u5149\u30d1\u30ef\u30fc\u304c\u8a31\u5bb9\u7bc4\u56f2\u5185\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u305f\u5f8c\u3001\u767b\u9332\u304a\u3088\u3073OLT\u306e\u30d7\u30ed\u30d3\u30b8\u30e7\u30cb\u30f3\u30b0\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-74ea8c1b\">OTDR\u3092\u3044\u3064\u4f7f\u7528\u3059\u3079\u304d\u304b<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-63f0bd95\">\u65ad\u7dda\u3001\u53cd\u5c04\u578b\u30b3\u30cd\u30af\u30bf\u3001\u4e0d\u9069\u5207\u306a\u30b9\u30d7\u30e9\u30a4\u30b9\u3001\u4e88\u671f\u305b\u306c\u640d\u5931\u7b87\u6240\u306a\u3069\u3001\u9577\u8ddd\u96e2\u306e\u56de\u7dda\u3084\u30a2\u30af\u30bb\u30b9\u304c\u56f0\u96e3\u306a\u56de\u7dda\u4e0a\u306e\u7570\u5e38\u7b87\u6240\u3092\u7279\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001OTDR\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-a4358ae9\">OTDR\u3092\u4f7f\u7528\u3059\u308b\u306b\u306f\u3001\u9069\u5207\u306a\u6ce2\u9577\u3001\u30d1\u30eb\u30b9\u5e45\u3001\u6e2c\u5b9a\u7bc4\u56f2\u3001\u5c48\u6298\u7387\u306e\u8a2d\u5b9a\u3001\u9001\u4fe1\u30b1\u30fc\u30d6\u30eb\u3001\u305d\u3057\u3066\u591a\u304f\u306e\u5834\u5408\u3001\u53d7\u4fe1\u30b1\u30fc\u30d6\u30eb\u3082\u5fc5\u8981\u3067\u3059\u3002\u305d\u306e\u30c8\u30ec\u30fc\u30b9\u306f\u3001\u30c7\u30c3\u30c9\u30be\u30fc\u30f3\u3001\u30a4\u30d9\u30f3\u30c8\u640d\u5931\u3001\u53cd\u5c04\u7387\u3001\u304a\u3088\u3073\u5f8c\u65b9\u6563\u4e71\u306b\u3064\u3044\u3066\u7406\u89e3\u3057\u3066\u3044\u308b\u8005\u304c\u89e3\u91c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d13b773e\">OTDR\u306f\u3001\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u306e\u633f\u5165\u640d\u5931\u8a66\u9a13\u306e\u4ee3\u308f\u308a\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u5354\u4f1a\uff08Fiber Optic Association\uff09\u306f\u3001\u5149\u6e90\u3068\u30d1\u30ef\u30fc\u30e1\u30fc\u30bf\u30fc\u3092\u7528\u3044\u305f\u8a66\u9a13\u3067\u306f\u30b1\u30fc\u30d6\u30eb\u8a2d\u5099\u306e\u640d\u5931\u3092\u76f4\u63a5\u6e2c\u5b9a\u3059\u308b\u306e\u306b\u5bfe\u3057\u3001OTDR\u306f\u5f8c\u65b9\u6563\u4e71\u304b\u3089\u9593\u63a5\u7684\u306b\u6e2c\u5b9a\u3092\u884c\u3046\u3068\u6307\u6458\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-90782fc2\">\u6700\u7d42\u7684\u306a\u7b54\u3048<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-4634680c\">\u8d64\u3044VFL\u306e\u5149\u304c\u30ea\u30f3\u30af\u306e\u53cd\u5bfe\u5074\u307e\u3067\u5c4a\u3044\u3066\u3044\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u30d5\u30a1\u30a4\u30d0\u30fc\u30ea\u30f3\u30af\u304c\u30c0\u30a6\u30f3\u3057\u305f\u307e\u307e\u3067\u3042\u308b\u5834\u5408\u3001VFL\u304c\u660e\u3089\u304b\u306b\u3057\u3066\u3044\u308b\u306e\u306f\u4ee5\u4e0b\u306e1\u70b9\u306e\u307f\u3067\u3059\uff1a<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-914c4e42\"><strong>\u305d\u306e\u9053\u306b\u306f\u3001\u308f\u305a\u304b\u306a\u5149\u304c\u5dee\u3057\u8fbc\u3093\u3067\u3044\u308b\u3002.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph 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class=\"wp-block-list\">\n<li>\u70b9\u691c\u3068\u6e05\u6383<\/li>\n\n\n\n<li>VFL\uff1a\u9023\u7d9a\u6027\u304a\u3088\u3073\u76ee\u8996\u53ef\u80fd\u306a\u5c40\u6240\u7684\u306a\u6b20\u9665\u306e\u691c\u51fa<\/li>\n\n\n\n<li>\u51fa\u529b\u304a\u3088\u3073\u640d\u5931\u306e\u6e2c\u5b9a\u7528\u5149\u30d1\u30ef\u30fc\u30e1\u30fc\u30bf\u30fc\u307e\u305f\u306fOLTS<\/li>\n\n\n\n<li>DDM\u3001\u30ed\u30b0\u3001\u304a\u3088\u3073\u4e92\u63db\u6027\u306b\u95a2\u3059\u308b\u30c7\u30d0\u30a4\u30b9\u4ed5\u69d8<\/li>\n\n\n\n<li>\u4e8b\u8c61\u306e\u767a\u751f\u5834\u6240\u304c\u4e0d\u660e\u306a\u5834\u5408\u306eOTDR<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-wd-paragraph 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