{"id":4680,"date":"2026-05-07T16:00:21","date_gmt":"2026-05-07T08:00:21","guid":{"rendered":"https:\/\/www.newsunn.com\/optimizing-ftth-deployments-with-reliable-fiber-patch-cords-and-pigtails\/"},"modified":"2026-05-07T16:00:21","modified_gmt":"2026-05-07T08:00:21","slug":"optimizing-ftth-deployments-with-reliable-fiber-patch-cords-and-pigtails","status":"publish","type":"post","link":"https:\/\/www.newsunn.com\/ja\/optimizing-ftth-deployments-with-reliable-fiber-patch-cords-and-pigtails\/","title":{"rendered":"\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30d5\u30a1\u30a4\u30d0\u30fc\u30d1\u30c3\u30c1\u30b3\u30fc\u30c9\u3068\u30d4\u30b0\u30c6\u30fc\u30eb\u306b\u3088\u308b FTTH \u5c0e\u5165\u306e\u6700\u9069\u5316"},"content":{"rendered":"<div><\/p>\n<article><img decoding=\"async\" src=\"https:\/\/img.deepvaluer.com\/i\/yc2iLx\" alt=\"\"><\/p>\n<section><\/p>\n<h2>\u5c0e\u5165<\/h2>\n<p><\/p>\n<p>FTTH \u306e\u5c55\u958b\u3067\u306f\u3001\u5c0f\u578b\u306e\u5149\u5b66\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u3001\u8a2d\u7f6e\u304c\u8fc5\u901f\u306b\u9032\u3080\u304b\u3001\u305d\u308c\u3068\u3082\u30b3\u30b9\u30c8\u306e\u304b\u304b\u308b\u518d\u4f5c\u696d\u3067\u505c\u6b62\u3059\u308b\u304b\u3092\u6c7a\u5b9a\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u4e2d\u3067\u3082\u3001\u30d5\u30a1\u30a4\u30d0\u30fc \u30d1\u30c3\u30c1 \u30b3\u30fc\u30c9\u306f\u3001\u7279\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u6570\u5343\u4e16\u5e2f\u306b\u307e\u305f\u304c\u308b\u5834\u5408\u306b\u3001\u30ea\u30f3\u30af\u306e\u5b89\u5b9a\u6027\u3001\u30a2\u30af\u30c6\u30a3\u30d6\u5316\u901f\u5ea6\u3001\u7d99\u7d9a\u7684\u306a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306e\u8981\u6c42\u306b\u76f4\u63a5\u7684\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30d1\u30c3\u30c1 \u30b3\u30fc\u30c9\u3068\u30d4\u30b0\u30c6\u30fc\u30eb\u304c\u7269\u7406\u5c64\u3067\u306e\u969c\u5bb3\u70b9\u3092\u6e1b\u3089\u3059\u3053\u3068\u3067\u3001\u3069\u306e\u3088\u3046\u306b\u9ad8\u901f\u30d7\u30ed\u30d3\u30b8\u30e7\u30cb\u30f3\u30b0\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u304b\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u633f\u5165\u640d\u5931\u3001\u53cd\u5c04\u6e1b\u8870\u91cf\u3001\u8010\u4e45\u6027\u3001\u53d6\u308a\u6271\u3044\u54c1\u8cea\u306a\u3069\u3001\u6700\u3082\u91cd\u8981\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u8981\u7d20\u306b\u3064\u3044\u3066\u3082\u6982\u8aac\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u8aad\u8005\u306f\u5c55\u958b\u52b9\u7387\u3068\u9577\u671f\u7684\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u3088\u308a\u9069\u5207\u306b\u8a55\u4fa1\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><\/section>\n<p><\/p>\n<section id=\"why-fiber-patch-cord-reliability-affects-ftth-deployment-speed\"><\/p>\n<h2>\u30d5\u30a1\u30a4\u30d0\u30fc\u30d1\u30c3\u30c1\u30b3\u30fc\u30c9\u306e\u4fe1\u983c\u6027\u304c FTTH \u5c0e\u5165\u901f\u5ea6\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u7406\u7531<\/h2>\n<p><\/p>\n<p>\u5927\u898f\u6a21\u306aFiber-to-the-Home\uff08FTTH\uff09\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3001\u7269\u7406\u5c64\u306e\u6574\u5408\u6027\u304c\u5168\u4f53\u7684\u306a\u5c0e\u5165\u901f\u5ea6\u3068\u9577\u671f\u7684\u306a\u904b\u7528\u30b3\u30b9\u30c8\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u5149\u56de\u7dda\u7aef\u672b (OLT) \u3068\u30d1\u30c3\u30b7\u30d6 \u30b9\u30d7\u30ea\u30c3\u30bf\u30fc\u306f\u591a\u984d\u306e\u8a2d\u5099\u6295\u8cc7\u3092\u610f\u5473\u3057\u307e\u3059\u304c\u3001\u4e00\u898b\u5730\u5473\u306a\u30d5\u30a1\u30a4\u30d0\u30fc \u30d1\u30c3\u30c1 \u30b3\u30fc\u30c9\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30a2\u30af\u30c6\u30a3\u30d6\u5316\u306b\u304a\u3051\u308b\u91cd\u5927\u306a\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3068\u306a\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u696d\u754c\u30c7\u30fc\u30bf\u306b\u3088\u308b\u3068\u3001\u30a2\u30af\u30bb\u30b9 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3051\u308b\u7d04 60% \uff5e 70% \u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u969c\u5bb3\u306f\u3001\u4e3b\u306b\u4e0d\u9069\u5207\u306a\u53d6\u308a\u6271\u3044\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u54c1\u8cea\u4f4e\u4e0b\u3001\u307e\u305f\u306f\u74b0\u5883\u52a3\u5316\u304c\u539f\u56e0\u3067\u3001\u30c9\u30ed\u30c3\u30d7 \u30b1\u30fc\u30d6\u30eb\u307e\u305f\u306f\u30d1\u30c3\u30c1 \u30b3\u30fc\u30c9 \u30ec\u30d9\u30eb\u3067\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n<p><\/p>\n<p>\u30d7\u30ed\u30d3\u30b8\u30e7\u30cb\u30f3\u30b0\u6bb5\u968e\u3067\u30d5\u30a1\u30a4\u30d0\u30fc\u30d1\u30c3\u30c1\u30b3\u30fc\u30c9\u306b\u969c\u5bb3\u304c\u767a\u751f\u3059\u308b\u3068\u3001\u8cbb\u7528\u306e\u304b\u304b\u308b\u30c8\u30e9\u30c3\u30af\u30ed\u30fc\u30eb\u3068\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u6642\u9593\u304c\u304b\u304b\u308a\u3001\u52a0\u5165\u8005\u3042\u305f\u308a\u306e\u30b3\u30b9\u30c8\u306e\u6307\u6a19\u306b\u91cd\u5927\u306a\u5f71\u97ff\u3092\u53ca\u307c\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u5149\u5b66\u30a2\u30bb\u30f3\u30d6\u30ea\u306e\u9ad8\u3044\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u3067\u3001\u6280\u8853\u8005\u306f\u521d\u56de\u304b\u3089\u9069\u5207\u306a\u8a2d\u7f6e\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u3001\u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e\u53ce\u76ca\u307e\u3067\u306e\u6642\u9593\u304c\u77ed\u7e2e\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h3>\u30d5\u30a1\u30a4\u30d0\u30fc\u30d1\u30c3\u30c1\u30b3\u30fc\u30c9\u3068\u30d4\u30b0\u30c6\u30fc\u30eb\u306e\u91cd\u8981\u306a\u6027\u80fd\u8981\u7d20<\/h3>\n<p><\/p>\n<p>\u30d5\u30a1\u30a4\u30d0\u30fc\u30d1\u30c3\u30c1\u30b3\u30fc\u30c9\u3068\u30d4\u30b0\u30c6\u30fc\u30eb\u306e\u5149\u5b66\u6027\u80fd\u306f\u3001\u57fa\u672c\u7684\u306b\u633f\u5165\u640d\u5931 (IL) \u3068\u53cd\u5c04\u640d\u5931 (RL) \u306b\u3088\u3063\u3066\u6c7a\u307e\u308a\u307e\u3059\u3002\u9ad8\u901f\u30ae\u30ac\u30d3\u30c3\u30c8 \u30d1\u30c3\u30b7\u30d6\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30af (GPON) \u304a\u3088\u3073 XGS-PON \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u306f\u3001\u5149\u30d1\u30ef\u30fc \u30d0\u30b8\u30a7\u30c3\u30c8\u306f\u53b3\u3057\u304f\u5236\u9650\u3055\u308c\u3066\u304a\u308a\u3001\u901a\u5e38\u306f 28 dB \uff5e 35 dB \u306e\u7dcf\u5149\u640d\u5931\u304c\u8a31\u5bb9\u3055\u308c\u307e\u3059\u3002\u5e73\u5747\u633f\u5165\u640d\u5931 \u2264 0.12 dB\u3001\u6700\u5927 \u2264 0.25 dB \u3092\u7279\u5fb4\u3068\u3059\u308b\u30b0\u30ec\u30fc\u30c9 B \u30b3\u30cd\u30af\u30bf\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30d1\u30c3\u30c1 \u30b3\u30fc\u30c9\u306e\u6d88\u8cbb\u91cf\u304c\u3053\u306e\u4e88\u7b97\u306e\u3054\u304f\u308f\u305a\u304b\u306b\u6291\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<p><\/p>\n<p>\u3055\u3089\u306b\u3001\u30ea\u30bf\u30fc\u30f3\u30ed\u30b9\u306f\u3001\u30ec\u30fc\u30b6\u30fc\u9001\u4fe1\u6a5f\u3092\u4e0d\u5b89\u5b9a\u306b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u5f8c\u65b9\u53cd\u5c04\u306b\u3088\u3063\u3066\u5f15\u304d\u8d77\u3053\u3055\u308c\u308b\u4fe1\u53f7\u52a3\u5316\u3092\u9632\u3050\u305f\u3081\u306b\u91cd\u8981\u3067\u3059\u3002\u30d7\u30ec\u30df\u30a2\u30e0 \u30d4\u30b0\u30c6\u30fc\u30eb\u3068\u30d1\u30c3\u30c1 \u30b3\u30fc\u30c9\u306f\u3001Angled Physical Contact (APC) \u7814\u78e8\u3067 60 dB \u4ee5\u4e0a\u306e RL \u3092\u4e00\u8cab\u3057\u3066\u63d0\u4f9b\u3057\u3001\u8857\u982d\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u3084\u9867\u5ba2\u306e\u6577\u5730\u5185\u3067\u5909\u52d5\u3059\u308b\u71b1\u6761\u4ef6\u4e0b\u3067\u3082\u4fe1\u53f7\u306e\u5b8c\u5168\u6027\u3092\u7dad\u6301\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h3>\u30d5\u30a1\u30a4\u30d0\u30fc\u30d1\u30c3\u30c1\u30b3\u30fc\u30c9\u30a2\u30bb\u30f3\u30d6\u30ea\u306e\u4e00\u822c\u7684\u306a\u6545\u969c\u30e2\u30fc\u30c9<\/h3>\n<p><\/p>\n<p>\u9ad8\u54c1\u4f4d\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3042\u3063\u3066\u3082\u3001\u88fd\u9020\u4e0a\u306e\u6b20\u9665\u3084\u8a2d\u7f6e\u65b9\u6cd5\u304c\u539f\u56e0\u3067\u6545\u969c\u30e2\u30fc\u30c9\u304c\u983b\u7e41\u306b\u767a\u751f\u3057\u307e\u3059\u3002\u7aef\u9762\u306e\u6c5a\u308c\u306f\u4f9d\u7136\u3068\u3057\u3066\u5149\u30ea\u30f3\u30af\u969c\u5bb3\u306e\u4e3b\u306a\u539f\u56e0\u3067\u3059\u3002\u30d5\u30a1\u30a4\u30d0 \u30b3\u30a2\u306e\u8fd1\u304f\u306b\u3042\u308b 1 \u3064\u306e\u5fae\u7d30\u306a\u5875\u7c92\u5b50\u306b\u3088\u308a\u3001\u633f\u5165\u640d\u5931\u304c 1.0 dB \u4ee5\u4e0a\u5897\u52a0\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u5de5\u5834\u30ec\u30d9\u30eb\u306e\u6d17\u6d44\u304a\u3088\u3073\u5bc6\u9589\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u53b3\u5b88\u3059\u308b\u3053\u3068\u306f\u4ea4\u6e09\u306e\u4f59\u5730\u304c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p><\/p>\n<p>\u3082\u3046 1 \u3064\u306e\u4e00\u822c\u7684\u306a\u6545\u969c\u30e2\u30fc\u30c9\u306f\u3001\u4e0d\u9069\u5207\u306a\u914d\u7dda\u306b\u3088\u3063\u3066\u5f15\u304d\u8d77\u3053\u3055\u308c\u308b\u30de\u30a4\u30af\u30ed\u30d9\u30f3\u30c7\u30a3\u30f3\u30b0\u304a\u3088\u3073\u30de\u30af\u30ed\u30d9\u30f3\u30c7\u30a3\u30f3\u30b0\u3067\u3059\u3002\u6280\u8853\u8005\u304c\u6a19\u6e96\u306e\u30d5\u30a1\u30a4\u30d0 \u30d1\u30c3\u30c1 \u30b3\u30fc\u30c9\u3092\u6df7\u96d1\u3057\u305f\u914d\u7dda\u30d5\u30ec\u30fc\u30e0\u306b\u914d\u7dda\u3059\u308b\u5834\u5408\u3001\u6700\u5c0f\u66f2\u3052\u534a\u5f84\u306b\u9055\u53cd\u3059\u308b\u3068\u91cd\u5927\u306a\u30de\u30af\u30ed\u66f2\u3052\u640d\u5931\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u5f93\u6765\u306e G.652.D \u30d5\u30a1\u30a4\u30d0\u30fc\u3092\u534a\u5f84 30 mm \u306e\u3057\u304d\u3044\u5024\u3092\u8d85\u3048\u3066\u66f2\u3052\u308b\u3068\u30011550 nm \u3067\u30eb\u30fc\u30d7\u3054\u3068\u306b 0.5 dB \u3092\u8d85\u3048\u308b\u4fe1\u53f7\u6e1b\u8870\u304c\u767a\u751f\u3057\u3001\u65ad\u7d9a\u7684\u306a\u63a5\u7d9a\u30c9\u30ed\u30c3\u30d7\u3084\u5373\u6642\u306e\u30b5\u30fc\u30d3\u30b9\u4f4e\u4e0b\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><\/section>\n<p><\/p>\n<section id=\"how-to-compare-fiber-patch-cord-and-pigtail-specifications\"><\/p>\n<h2>\u30d5\u30a1\u30a4\u30d0\u30fc\u30d1\u30c3\u30c1\u30b3\u30fc\u30c9\u3068\u30d4\u30b0\u30c6\u30fc\u30eb\u306e\u4ed5\u69d8\u3092\u6bd4\u8f03\u3059\u308b\u65b9\u6cd5<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/img.deepvaluer.com\/i\/T36iR9\" alt=\"\u30d5\u30a1\u30a4\u30d0\u30fc\u30d1\u30c3\u30c1\u30b3\u30fc\u30c9\u3068\u30d4\u30b0\u30c6\u30fc\u30eb\u306e\u4ed5\u69d8\u3092\u6bd4\u8f03\u3059\u308b\u65b9\u6cd5\"><\/p>\n<p>\u5149\u5b66\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u4ed5\u69d8\u304c\u5bc6\u96c6\u3057\u3066\u3044\u308b\u72b6\u6cc1\u3092\u30ca\u30d3\u30b2\u30fc\u30c8\u3059\u308b\u306b\u306f\u3001\u53b3\u5bc6\u3067\u6bd4\u8f03\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u5fc5\u8981\u3067\u3059\u3002\u8abf\u9054\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3001\u30d5\u30a1\u30a4\u30d0\u30fc\u30d1\u30c3\u30c1\u30b3\u30fc\u30c9\u3092\u5358\u306a\u308b\u5546\u54c1\u3068\u3057\u3066\u3067\u306f\u306a\u304f\u3001\u7279\u5b9a\u306e\u74b0\u5883\u304a\u3088\u3073\u5efa\u7bc9\u4e0a\u306e\u8981\u6c42\u306b\u5408\u308f\u305b\u3066\u8abf\u6574\u3055\u308c\u305f\u9ad8\u5ea6\u306b\u8a2d\u8a08\u3055\u308c\u305f\u4f1d\u9001\u5a92\u4f53\u3068\u3057\u3066\u8a55\u4fa1\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6b63\u3057\u3044\u4ed5\u69d8\u3092\u9078\u629e\u3059\u308b\u3068\u3001\u76f8\u4e92\u904b\u7528\u6027\u304c\u4fdd\u8a3c\u3055\u308c\u3001\u5149\u30d1\u30ef\u30fc\u306e\u30da\u30ca\u30eb\u30c6\u30a3\u304c\u6700\u5c0f\u9650\u306b\u6291\u3048\u3089\u308c\u3001\u5730\u57df\u306e\u706b\u707d\u5b89\u5168\u898f\u5236\u3078\u306e\u6e96\u62e0\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><\/p>\n<p>\u4ed5\u69d8\u306e\u6bd4\u8f03\u306b\u306f\u3001\u30b3\u30a2\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u5f62\u72b6\u3001\u30b3\u30cd\u30af\u30bf\u30fc\u306e\u7cbe\u5ea6\u3001\u304a\u3088\u3073\u5916\u5074\u30b8\u30e3\u30b1\u30c3\u30c8\u306e\u6a5f\u68b0\u7684\u7279\u6027\u306e\u5206\u6790\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u4f53\u7cfb\u7684\u306a\u8a55\u4fa1\u306b\u3088\u308a\u3001\u904e\u9177\u306a\u5c4b\u5916\u30d7\u30e9\u30f3\u30c8 (OSP) \u74b0\u5883\u3067\u65e9\u671f\u306b\u52a3\u5316\u3057\u305f\u308a\u3001\u53b3\u683c\u306a\u5c4b\u5185\u5efa\u7bc9\u57fa\u6e96\u306b\u9055\u53cd\u3057\u305f\u308a\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u6b21\u5584\u306e\u30a2\u30bb\u30f3\u30d6\u30ea\u306e\u5c0e\u5165\u3092\u9632\u304e\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h3>\u6700\u3082\u91cd\u8981\u306a\u6280\u8853\u7684\u57fa\u6e96<\/h3>\n<p><\/p>\n<p>\u6700\u3082\u91cd\u8981\u306a\u6280\u8853\u57fa\u6e96\u306f\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u898f\u683c\u3067\u3059\u3002\u6700\u65b0\u306e FTTH \u5c0e\u5165\u3067\u306f\u3001ITU-T G.657 \u898f\u683c\u306b\u5206\u985e\u3055\u308c\u308b\u66f2\u3052\u5f71\u97ff\u3092\u53d7\u3051\u306a\u3044\u30d5\u30a1\u30a4\u30d0\u30fc (BIF) \u304c\u975e\u5e38\u306b\u597d\u307e\u308c\u3066\u304a\u308a\u3001\u96c6\u5408\u4f4f\u5b85 (MDU) \u306e\u72ed\u3044\u30b3\u30fc\u30ca\u30fc\u306e\u5468\u308a\u306b\u914d\u7dda\u3059\u308b\u5834\u5408\u306e\u6e1b\u8870\u304c\u5927\u5e45\u306b\u6e1b\u5c11\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30b8\u30e3\u30b1\u30c3\u30c8\u306e\u6750\u8cea\u306b\u3088\u3063\u3066\u3001\u6a5f\u68b0\u7684\u8010\u4e45\u6027\u3068\u5b89\u5168\u6027\u306e\u4e21\u65b9\u304c\u6c7a\u307e\u308a\u307e\u3059\u3002\u5c4b\u5185\u7528\u9014\u3067\u306f\u3001\u706b\u707d\u6642\u306e\u6709\u6bd2\u30ac\u30b9\u306e\u653e\u51fa\u3092\u9632\u6b62\u3059\u308b\u305f\u3081\u306b\u30ed\u30fc\u30b9\u30e2\u30fc\u30af \u30bc\u30ed \u30cf\u30ed\u30b2\u30f3 (LSZH) \u30b8\u30e3\u30b1\u30c3\u30c8\u304c\u7fa9\u52d9\u4ed8\u3051\u3089\u308c\u3066\u304a\u308a\u3001\u6b27\u5dde\u306e\u914d\u5099\u3067\u306f B2ca \u307e\u305f\u306f Cca \u306e CPR \u8a55\u4fa1\u304c\u5fc5\u8981\u306b\u306a\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><\/p>\n<p>\u30b3\u30cd\u30af\u30bf\u306e\u7814\u78e8\u30bf\u30a4\u30d7\u3001\u7279\u306b\u30a6\u30eb\u30c8\u30e9 \u30d5\u30a3\u30b8\u30ab\u30eb \u30b3\u30f3\u30bf\u30af\u30c8 (UPC) \u3068\u30a2\u30f3\u30b0\u30eb\u30c9 \u30d5\u30a3\u30b8\u30ab\u30eb \u30b3\u30f3\u30bf\u30af\u30c8 (APC) \u3082\u91cd\u8981\u306a\u6c7a\u5b9a\u70b9\u3068\u306a\u308a\u307e\u3059\u3002 APC \u30b3\u30cd\u30af\u30bf\u306f 8 \u5ea6\u306e\u89d2\u5ea6\u3092\u5229\u7528\u3057\u3066\u53cd\u5c04\u5149\u3092\u30af\u30e9\u30c3\u30c9\u306b\u5c0e\u304f\u305f\u3081\u3001UPC \u30b3\u30cd\u30af\u30bf (\u2267 50 dB) \u3068\u6bd4\u8f03\u3057\u3066\u512a\u308c\u305f\u30ea\u30bf\u30fc\u30f3\u30ed\u30b9 (\u2267 60 dB) \u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001APC \u306f\u30a2\u30ca\u30ed\u30b0 RF \u30d3\u30c7\u30aa \u30aa\u30fc\u30d0\u30fc\u30ec\u30a4\u304a\u3088\u3073\u6b21\u4e16\u4ee3\u30b3\u30d2\u30fc\u30ec\u30f3\u30c8 PON \u30b7\u30b9\u30c6\u30e0\u306e\u4e8b\u5b9f\u4e0a\u306e\u6a19\u6e96\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h3>\u30aa\u30d7\u30b7\u30e7\u30f3\u8a55\u4fa1\u6bd4\u8f03\u8868<\/h3>\n<p><\/p>\n<p>\u6700\u9069\u306a\u9078\u629e\u3092\u5bb9\u6613\u306b\u3059\u308b\u305f\u3081\u306b\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u8a08\u8005\u306f\u3001\u66f2\u3052\u534a\u5f84\u306e\u6a5f\u80fd\u3068\u3001\u91cd\u8981\u306a\u52d5\u4f5c\u6ce2\u9577 (1550 nm \u3084 1625 nm \u306a\u3069) \u3067\u4e88\u60f3\u3055\u308c\u308b\u30de\u30af\u30ed\u30d9\u30f3\u30c9\u640d\u5931\u3092\u6bd4\u8f03\u691c\u8a0e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6b21\u306e\u8868\u306f\u3001\u30d1\u30c3\u30c1 \u30b3\u30fc\u30c9\u3068\u30d4\u30b0\u30c6\u30fc\u30eb\u3067\u4f7f\u7528\u3055\u308c\u308b\u4e00\u822c\u7684\u306a\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9 \u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u30bf\u30a4\u30d7\u3092\u6bd4\u8f03\u3057\u3066\u3044\u307e\u3059\u3002:<\/p>\n<p><\/p>\n<table><\/p>\n<thead><\/p>\n<tr><\/p>\n<th>\u30d5\u30a1\u30a4\u30d0\u30fc\u6a19\u6e96<\/th>\n<p><\/p>\n<th>\u6700\u5c0f\u66f2\u3052\u534a\u5f84<\/th>\n<p><\/p>\n<th>\u30de\u30af\u30ed\u30d9\u30f3\u30c9\u640d\u5931 (1 \u30eb\u30fc\u30d7 @ 1550nm)<\/th>\n<p><\/p>\n<th>\u30d7\u30e9\u30a4\u30de\u30eaFTTH\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/th>\n<p><\/tr>\n<p><\/thead>\n<p><\/p>\n<tbody><\/p>\n<tr><\/p>\n<td>ITU-T G.652.D<\/td>\n<p><\/p>\n<td>30.0mm<\/td>\n<p><\/p>\n<td>\u2264 0.10dB<\/td>\n<p><\/p>\n<td>\u5c4b\u5916\u30d7\u30e9\u30f3\u30c8\u30d5\u30a3\u30fc\u30c0\u30fc\u30b1\u30fc\u30d6\u30eb\u3001\u30b9\u30c8\u30ec\u30fc\u30c8\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td>ITU-T G.657.A1<\/td>\n<p><\/p>\n<td>10.0mm<\/td>\n<p><\/p>\n<td>\u2264 0.75dB<\/td>\n<p><\/p>\n<td>\u6a19\u6e96\u7684\u306a\u5c4b\u5185\u30c9\u30ed\u30c3\u30d7\u3001\u4e2d\u7a0b\u5ea6\u306e\u66f2\u304c\u308a<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td>ITU-T G.657.A2<\/td>\n<p><\/p>\n<td>7.5mm<\/td>\n<p><\/p>\n<td>\u2264 0.50dB<\/td>\n<p><\/p>\n<td>\u30bf\u30a4\u30c8\u306a MDU \u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3001\u30b3\u30f3\u30d1\u30af\u30c8\u306a\u58c1\u30b3\u30f3\u30bb\u30f3\u30c8<\/td>\n<p><\/tr>\n<p><\/p>\n<tr><\/p>\n<td>ITU-T G.657.B3<\/td>\n<p><\/p>\n<td>5.0mm<\/td>\n<p><\/p>\n<td>\u2264 0.15dB<\/td>\n<p><\/p>\n<td>\u6975\u7aef\u306a\u5c4b\u5185\u914d\u7dda\u3001\u30b9\u30c6\u30fc\u30d7\u30eb\u7559\u3081\u914d\u7dda<\/td>\n<p><\/tr>\n<p><\/tbody>\n<p><\/table>\n<p><\/p>\n<p>\u3059\u3079\u3066\u306e\u52a0\u5165\u8005\u5074\u30d5\u30a1\u30a4\u30d0 \u30d1\u30c3\u30c1 \u30b3\u30fc\u30c9 \u30a2\u30bb\u30f3\u30d6\u30ea\u3092 G.657.A2 \u307e\u305f\u306f B3 \u3067\u6a19\u6e96\u5316\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u6280\u8853\u8005\u304c\u975e\u5e38\u306b\u72ed\u3044\u7a7a\u9593\u3067\u4f5c\u696d\u3057\u3066\u3044\u308b\u5834\u5408\u3067\u3082\u3001\u8a2d\u7f6e\u306b\u8d77\u56e0\u3059\u308b\u6e1b\u8870\u306e\u30ea\u30b9\u30af\u3092\u5927\u5e45\u306b\u8efd\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><\/section>\n<p><\/p>\n<section id=\"best-practices-for-procurement-testing-and-deployment\"><\/p>\n<h2>\u8abf\u9054\u3001\u30c6\u30b9\u30c8\u3001\u5c0e\u5165\u306e\u30d9\u30b9\u30c8 \u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/img.deepvaluer.com\/i\/dNnI3O\" alt=\"\u8abf\u9054\u3001\u30c6\u30b9\u30c8\u3001\u5c0e\u5165\u306e\u30d9\u30b9\u30c8 \u30d7\u30e9\u30af\u30c6\u30a3\u30b9\"><\/p>\n<p>\u4ed5\u69d8\u5206\u6790\u304b\u3089\u5927\u91cf\u5c0e\u5165\u3078\u306e\u79fb\u884c\u306b\u306f\u3001\u5805\u7262\u306a\u8abf\u9054\u6226\u7565\u3068\u53b3\u683c\u306a\u54c1\u8cea\u4fdd\u8a3c\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u304c\u5fc5\u8981\u3067\u3059\u3002\u4f55\u5341\u4e07\u3082\u306e\u5149\u5b66\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u8abf\u9054\u3059\u308b\u5834\u5408\u3001\u88fd\u9020\u516c\u5dee\u306e\u308f\u305a\u304b\u306a\u5dee\u7570\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5168\u4f53\u306e\u58ca\u6ec5\u7684\u306a\u8106\u5f31\u6027\u306b\u62e1\u5927\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001FTTH \u8a2d\u5099\u6295\u8cc7\u3092\u4fdd\u8b77\u3059\u308b\u306b\u306f\u3001\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306e\u8a8d\u5b9a\u3001\u30d0\u30c3\u30c1 \u30c6\u30b9\u30c8\u3001\u5728\u5eab\u306e\u6a19\u6e96\u5316\u306e\u305f\u3081\u306e\u898f\u5f8b\u3042\u308b\u65b9\u6cd5\u8ad6\u3092\u78ba\u7acb\u3059\u308b\u3053\u3068\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<p><\/p>\n<p>\u30d9\u30b9\u30c8 \u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3067\u306f\u3001\u4e8b\u696d\u8005\u306f\u7d14\u7c8b\u306b\u30b3\u30b9\u30c8\u4e3b\u5c0e\u306e\u8abf\u9054\u304b\u3089\u7dcf\u6240\u6709\u30b3\u30b9\u30c8 (TCO) \u30e2\u30c7\u30eb\u306b\u79fb\u884c\u3059\u308b\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u3001\u73fe\u5834\u3067\u306e\u6545\u969c\u3001\u4ea4\u63db\u7269\u6d41\u3001\u3055\u307e\u3056\u307e\u306a\u5728\u5eab\u5358\u4f4d\u306e\u7ba1\u7406\u306b\u304b\u304b\u308b\u7ba1\u7406\u4e0a\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u306a\u3069\u306e\u96a0\u308c\u305f\u30b3\u30b9\u30c8\u3092\u8003\u616e\u3059\u308b\u3053\u3068\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h3>\u30d5\u30a1\u30a4\u30d0\u30fc\u30d1\u30c3\u30c1\u30b3\u30fc\u30c9\u306e\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3092\u8a8d\u5b9a\u3059\u308b\u65b9\u6cd5<\/h3>\n<p><\/p>\n<p>\u30d5\u30a1\u30a4\u30d0\u30fc\u30d1\u30c3\u30c1\u30b3\u30fc\u30c9\u30e1\u30fc\u30ab\u30fc\u3092\u8a8d\u5b9a\u3059\u308b\u306b\u306f\u3001\u305d\u306e\u88fd\u9020\u80fd\u529b\u3068\u54c1\u8cea\u7ba1\u7406\u306e\u900f\u660e\u6027\u306e\u4e21\u65b9\u3092\u76e3\u67fb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><\/section>\n<p><\/p>\n<section><\/p>\n<h2>\u30ad\u30fc\u30c6\u30a4\u30af\u30a2\u30a6\u30c8<\/h2>\n<p><\/p>\n<ul><\/p>\n<li>\u30d5\u30a1\u30a4\u30d0\u30fc\u30d1\u30c3\u30c1\u30b3\u30fc\u30c9\u306e\u6700\u3082\u91cd\u8981\u306a\u7d50\u8ad6\u3068\u7406\u8ad6\u7684\u6839\u62e0<\/li>\n<p><\/p>\n<li>\u30b3\u30df\u30c3\u30c8\u3059\u308b\u524d\u306b\u691c\u8a3c\u3059\u308b\u4fa1\u5024\u306e\u3042\u308b\u4ed5\u69d8\u3001\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u3001\u30ea\u30b9\u30af \u30c1\u30a7\u30c3\u30af<\/li>\n<p><\/p>\n<li>\u8aad\u8005\u304c\u3059\u3050\u306b\u9069\u7528\u3067\u304d\u308b\u5b9f\u8df5\u7684\u306a\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u3068\u6ce8\u610f\u4e8b\u9805<\/li>\n<p><\/ul>\n<p><\/section>\n<p><\/p>\n<section><\/p>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<p><\/p>\n<h3>FTTH \u5c0e\u5165\u306b\u304a\u3044\u3066\u30d5\u30a1\u30a4\u30d0 \u30d1\u30c3\u30c1 \u30b3\u30fc\u30c9\u304c\u4fe1\u983c\u3067\u304d\u308b\u7406\u7531\u306f\u4f55\u3067\u3059\u304b?<\/h3>\n<p><\/p>\n<p>\u4f4e\u3044\u633f\u5165\u640d\u5931\u3001\u9ad8\u3044\u30ea\u30bf\u30fc\u30f3\u30ed\u30b9\u3001\u304d\u308c\u3044\u306a\u7aef\u9762\u3001\u304a\u3088\u3073\u66f2\u3052\u306b\u5f71\u97ff\u3055\u308c\u306a\u3044\u30d5\u30a1\u30a4\u30d0\u30fc\u3092\u63a2\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u3089\u306b\u3088\u308a\u969c\u5bb3\u304c\u8efd\u6e1b\u3055\u308c\u3001\u6280\u8853\u8005\u304c\u6700\u521d\u306e\u8a2a\u554f\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u5b8c\u4e86\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h3>FTTH \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3001UPC \u3088\u308a\u3082 APC \u304c\u512a\u5148\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u306e\u306f\u306a\u305c\u3067\u3059\u304b?<\/h3>\n<p><\/p>\n<p>APC \u306f\u901a\u5e38\u3001\u7d04 60 dB \u4ee5\u4e0a\u306e\u3088\u308a\u9ad8\u3044\u30ea\u30bf\u30fc\u30f3 \u30ed\u30b9\u3092\u63d0\u4f9b\u3057\u3001\u3053\u308c\u306b\u3088\u308a\u5f8c\u65b9\u53cd\u5c04\u304c\u8efd\u6e1b\u3055\u308c\u3001GPON \u304a\u3088\u3073 XGS-PON \u30ea\u30f3\u30af\u3067\u30ec\u30fc\u30b6\u30fc\u3092\u5b89\u5b9a\u306b\u4fdd\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h3>\u6c5a\u67d3\u306f\u30d5\u30a1\u30a4\u30d0\u30fc\u30d1\u30c3\u30c1\u30b3\u30fc\u30c9\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u304b?<\/h3>\n<p><\/p>\n<p>\u7aef\u9762\u306b\u5c0f\u3055\u306a\u5875\u304c\u3042\u308b\u3060\u3051\u3067\u3082\u3001\u633f\u5165\u640d\u5931\u304c 1 dB \u4ee5\u4e0a\u5897\u52a0\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30b3\u30cd\u30af\u30bf\u3092\u5dee\u3057\u8fbc\u3080\u524d\u306b\u3001\u5fc5\u305a\u30b3\u30cd\u30af\u30bf\u3092\u691c\u67fb\u3057\u3066\u6e05\u6383\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><\/p>\n<h3>FTTH \u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u307e\u305f\u306f MDU \u3067\u306e\u30bf\u30a4\u30c8\u306a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u6700\u9069\u306a\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u30bf\u30a4\u30d7\u306f\u4f55\u3067\u3059\u304b?<\/h3>\n<p><\/p>\n<p>G.657 \u66f2\u3052\u8010\u6027\u30d5\u30a1\u30a4\u30d0\u30fc\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u304d\u3064\u3044\u30ab\u30fc\u30d6\u4ed8\u8fd1\u3067\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5411\u4e0a\u3057\u3001\u6df7\u96d1\u3057\u305f\u901a\u8def\u3067\u306e\u30de\u30af\u30ed\u30d9\u30f3\u30c9\u640d\u5931\u306e\u30ea\u30b9\u30af\u304c\u8efd\u6e1b\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><\/p>\n<h3>LSZH \u30b8\u30e3\u30b1\u30c3\u30c8\u306f\u3069\u306e\u3088\u3046\u306a\u5834\u5408\u306b\u30d1\u30c3\u30c1\u30b3\u30fc\u30c9\u306b\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304b?<\/h3>\n<p><\/p>\n<p>\u706b\u707d\u5b89\u5168\u6027\u304c\u91cd\u8981\u3068\u306a\u308b\u5c4b\u5185\u8a2d\u7f6e\u306b\u306f LSZH \u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306f\u6709\u6bd2\u306a\u7159\u3092\u6e1b\u3089\u3059\u306e\u306b\u5f79\u7acb\u3061\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u5efa\u7bc9\u57fa\u6e96\u6cd5\u3078\u306e\u6e96\u62e0\u306e\u305f\u3081\u306b\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><\/section>\n<p><\/article>\n<p><\/div>","protected":false},"excerpt":{"rendered":"<p>\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30d5\u30a1\u30a4\u30d0\u30fc \u30d1\u30c3\u30c1 \u30b3\u30fc\u30c9\u3068\u30d4\u30b0\u30c6\u30fc\u30eb\u304c\u3069\u306e\u3088\u3046\u306b FTTH \u5c0e\u5165\u54c1\u8cea\u3092\u5411\u4e0a\u3055\u305b\u3001\u640d\u5931\u3092\u524a\u6e1b\u3057\u3001\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u304b\u3092\u8abf\u3079\u3066\u304f\u3060\u3055\u3044\u3002<\/p>","protected":false},"author":1,"featured_media":4679,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-4680","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/www.newsunn.com\/ja\/wp-json\/wp\/v2\/posts\/4680","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsunn.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsunn.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsunn.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsunn.com\/ja\/wp-json\/wp\/v2\/comments?post=4680"}],"version-history":[{"count":0,"href":"https:\/\/www.newsunn.com\/ja\/wp-json\/wp\/v2\/posts\/4680\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsunn.com\/ja\/wp-json\/wp\/v2\/media\/4679"}],"wp:attachment":[{"href":"https:\/\/www.newsunn.com\/ja\/wp-json\/wp\/v2\/media?parent=4680"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsunn.com\/ja\/wp-json\/wp\/v2\/categories?post=4680"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsunn.com\/ja\/wp-json\/wp\/v2\/tags?post=4680"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}