{"id":22327,"date":"2026-09-22T10:50:38","date_gmt":"2026-09-22T02:50:38","guid":{"rendered":"https:\/\/www.luleey.com\/?p=22327"},"modified":"2026-09-21T10:54:42","modified_gmt":"2026-09-21T02:54:42","slug":"fiber-media-converter-lights-on-but-no-network","status":"publish","type":"post","link":"https:\/\/www.luleey.com\/ja\/fiber-media-converter-lights-on-but-no-network\/","title":{"rendered":"\u30d5\u30a1\u30a4\u30d0\u30fc\u30e1\u30c7\u30a3\u30a2\u30b3\u30f3\u30d0\u30fc\u30bf\u306e\u96fb\u6e90\u306f\u5165\u3063\u3066\u3044\u308b\u306e\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3067\u304d\u306a\u3044\uff1f"},"content":{"rendered":"<p class=\"wp-block-wd-paragraph wd-818fd7e0\"><strong><a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/fiber-media-converter\/\" title=\"\u300c\u30d5\u30a1\u30a4\u30d0\u30fc\u30e1\u30c7\u30a3\u30a2\u30b3\u30f3\u30d0\u30fc\u30bf\u300d\u306e\u3059\u3079\u3066\u306e\u6295\u7a3f\u3092\u8868\u793a\">\u30d5\u30a1\u30a4\u30d0\u30fc\u30fb\u30e1\u30c7\u30a3\u30a2\u30fb\u30b3\u30f3\u30d0\u30fc\u30bf\u30fc<\/a> \u660e\u304b\u308a\u306f\u3064\u3044\u3066\u3044\u308b\u3051\u308c\u3069 <a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/no-network\/\" title=\"\u300cNo Network\u300d\u306e\u3059\u3079\u3066\u306e\u6295\u7a3f\u3092\u8868\u793a\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u307e\u305b\u3093<\/a><\/strong> \u3088\u304f\u3042\u308b\u969c\u5bb3\u30d1\u30bf\u30fc\u30f3\u3092\u8aac\u660e\u3057\u307e\u3059\u3002\u8907\u6570\u306e\u7dd1\u8272\u306eLED\u304c\u70b9\u706f\u3057\u3066\u3044\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u9060\u7aef\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3068\u306e\u901a\u4fe1\u304c\u4f9d\u7136\u3068\u3057\u3066\u78ba\u7acb\u3067\u304d\u306a\u3044\u3068\u3044\u3046\u72b6\u6cc1\u3067\u3059\u3002\u7d4c\u8def\u5168\u4f53\u304c\u6b63\u5e38\u306b\u6a5f\u80fd\u3057\u3066\u3044\u308b\u3068\u5b89\u6613\u306b\u5224\u65ad\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002 1\u3064\u306eLED\u306f\u3001\u96fb\u6e90\u3001\u30ed\u30fc\u30ab\u30eb\u5074\u306e\u9285\u7dda\u30ea\u30f3\u30af\u3001\u307e\u305f\u306f\u53d7\u4fe1\u3057\u305f\u5149\u4fe1\u53f7\u3092\u793a\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u305d\u306eLED\u304c\u70b9\u706f\u3057\u3066\u3044\u308b\u304b\u3089\u3068\u3044\u3063\u3066\u3001\u901a\u4fe1\u304c\u9060\u7aef\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306b\u5230\u9054\u3057\u3066\u3044\u308b\u3053\u3068\u3001\u9006\u65b9\u5411\u306e\u901a\u4fe1\u3001VLAN\u3078\u306e\u6240\u5c5e\u3001DHCP\u3001PPPoE\u3001\u3042\u308b\u3044\u306fIP\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306b\u3064\u3044\u3066\u4f55\u304b\u3092\u793a\u3057\u3066\u3044\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-79b9e33e\">\u6700\u3082\u901f\u3044\u65b9\u6cd5\u306f\u3001\u30d1\u30b9\u5168\u4f53\u3092\u63cf\u753b\u3057\u3001\u8a3c\u62e0\u304c\u5909\u5316\u3059\u308b\u6700\u521d\u306e\u30ec\u30a4\u30e4\u30fc\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u3067\u3059\uff1a<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8e1a8897\"><strong>\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8A \u2192 \u9285\u7dda \u2192 \u30b3\u30f3\u30d0\u30fc\u30bfA \u2192 \u5149\u30d5\u30a1\u30a4\u30d0 \u2192 \u30b3\u30f3\u30d0\u30fc\u30bfB \u2192 \u9285\u7dda \u2192 \u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8B<\/strong><\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-3d36c9b3\">\u4e21\u65b9\u5411\u3092\u78ba\u8a8d\u3057\u3001\u5909\u66f4\u306f1\u9805\u76ee\u305a\u3064\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u672c\u5f53\u306e\u539f\u56e0\u304c\u4e0d\u6574\u5408\u306b\u3042\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u30b3\u30f3\u30d0\u30fc\u30bf\u3092\u4ea4\u63db\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u3092\u9632\u3052\u307e\u3059\u3002 <a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/bidi\/\" title=\"BIDI \u306e\u6295\u7a3f\u3092\u3059\u3079\u3066\u8868\u793a\">BIDI<\/a> \u30da\u30a2\u3001\u5f37\u5236\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30e2\u30fc\u30c9\u3001\u30d6\u30ed\u30c3\u30af\u3055\u308c\u305fVLAN\u3001\u307e\u305f\u306fIP\u8a2d\u5b9a\u306e\u554f\u984c\u3002.<\/p>\n\n\n\n<div class=\"wp-block-wd-image wd-block-image wd-bc76f7de\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" class=\"wp-image-22329\" src=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/fiber-media-converter-no-network-hero.png\" alt=\"\" title=\"\" srcset=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/fiber-media-converter-no-network-hero.png 1000w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/fiber-media-converter-no-network-hero-800x800.png 800w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/fiber-media-converter-no-network-hero-400x400.png 400w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/fiber-media-converter-no-network-hero-768x768.png 768w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/fiber-media-converter-no-network-hero-12x12.png 12w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/fiber-media-converter-no-network-hero-150x150.png 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/div>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-51bedaca\">\u30d5\u30a1\u30a4\u30d0\u30fc\u30e1\u30c7\u30a3\u30a2\u30b3\u30f3\u30d0\u30fc\u30bf\u306e\u96fb\u6e90\u306f\u5165\u3063\u3066\u3044\u308b\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3067\u304d\u306a\u3044\u5834\u5408\uff1a\u307e\u305a\u306f\u3053\u3053\u304b\u3089<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ad4189a2\">\u307e\u305a\u3001\u5404LED\u304c\u4f55\u3092\u610f\u5473\u3059\u308b\u306e\u304b\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002 <strong>\u30b3\u30f3\u30d0\u30fc\u30bf\u30fc\u306e\u6b63\u78ba\u306a\u30e2\u30c7\u30eb\u540d\u3068\u30ea\u30d3\u30b8\u30e7\u30f3<\/strong>. \u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30e9\u30d9\u30eb\u306a\u3069 <code>PWR<\/code>, <code>TP<\/code>, <code>FX<\/code>, <code>\u30ea\u30f3\u30af<\/code>, <code>ACT<\/code>, <code>FDX<\/code> \u305d\u3057\u3066 <code>SPD<\/code> \u3059\u3079\u3066\u306e\u88fd\u54c1\u3067\u540c\u3058\u3088\u3046\u306b\u89e3\u91c8\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-3e09f489\">\u30ea\u30f3\u30af\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u524d\u306b\u3001\u7c21\u5358\u306a\u8868\u3092\u4f5c\u6210\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30bb\u30b0\u30e1\u30f3\u30c8<\/th><th>\u8a18\u9332\u3059\u3079\u304d\u8a3c\u62e0<\/th><th>\u305d\u308c\u304c\u8a3c\u660e\u3057\u3066\u3044\u306a\u3044\u3053\u3068<\/th><\/tr><\/thead><tbody><tr><td>\u30d1\u30ef\u30fc<\/td><td>\u9069\u5207\u306a\u30a2\u30c0\u30d7\u30bf\u30fc\u3001\u5b89\u5b9a\u3057\u305f\u96fb\u6e90LED<\/td><td>\u8ca0\u8377\u6642\u306e\u96fb\u5727\u304c\u9069\u6b63\u3067\u3042\u308b\u3053\u3068\u3001\u307e\u305f\u306f\u30c7\u30fc\u30bf\u30d1\u30b9\u306b\u7570\u5e38\u304c\u306a\u3044\u3053\u3068<\/td><\/tr><tr><td>\u9285A<\/td><td>\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8A\u304a\u3088\u3073\u30b3\u30f3\u30d0\u30fc\u30bfA\u306b\u304a\u3051\u308b\u30ea\u30f3\u30af\u3068\u5b9f\u30ec\u30fc\u30c8<\/td><td>\u30d5\u30a1\u30a4\u30d0\u30fc\u307e\u305f\u306f\u9060\u7aef\u306e\u9285\u7dda\u306f\u6b63\u5e38\u306b\u52d5\u4f5c\u3057\u3066\u3044\u307e\u3059<\/td><\/tr><tr><td>\u7e4a\u7dad<\/td><td>\u5149\u30ea\u30f3\u30af\u8868\u793a\uff08\u5f53\u8a72\u30e2\u30c7\u30eb\u306b\u305d\u306e\u6a5f\u80fd\u304c\u3042\u308b\u5834\u5408\uff09<\/td><td>\u30af\u30ea\u30fc\u30f3\u30d5\u30ec\u30fc\u30e0\u3001\u30ea\u30bf\u30fc\u30f3\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3001\u307e\u305f\u306fIP\u30b5\u30fc\u30d3\u30b9<\/td><\/tr><tr><td>\u9285B<\/td><td>\u30b3\u30f3\u30d0\u30fc\u30bfB\u304a\u3088\u3073\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8B\u306b\u304a\u3051\u308b\u30ea\u30f3\u30af\u3068\u5b9f\u30ec\u30fc\u30c8<\/td><td>VLAN\u3001\u30a2\u30c9\u30ec\u30b9\u6307\u5b9a\u3001\u307e\u305f\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3078\u306e\u5230\u9054\u53ef\u80fd\u6027<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d5514687\">LED\u3084\u30e9\u30d9\u30eb\u3092\u5199\u771f\u306b\u64ae\u308a\u3001\u70b9\u706f\u72b6\u614b\u304c\u5e38\u6642\u70b9\u706f\u304b\u70b9\u6ec5\u304b\u3092\u8a18\u9332\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30e9\u30d9\u30eb\u306e\u306a\u3044\u30e9\u30a4\u30c8\u306b\u3064\u3044\u3066\u306f\u3001\u305d\u306e\u8272\u304b\u3089\u610f\u5473\u3092\u63a8\u6e2c\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-f1dd2f42\">1. \u96fb\u6e90\u3068\u4e21\u65b9\u306e\u9285\u7dda\u63a5\u7d9a\u3092\u78ba\u8a8d\u3059\u308b<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-57a78cf9\">\u5404\u30b3\u30f3\u30d0\u30fc\u30bf\u306b\u6307\u5b9a\u3055\u308c\u3066\u3044\u308b\u96fb\u6e90\u4ed5\u69d8\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30d7\u30e9\u30b0\u306f\u5dee\u3057\u8fbc\u3081\u308b\u3082\u306e\u306e\u3001\u96fb\u5727\u3001\u6975\u6027\u3001\u307e\u305f\u306f\u5229\u7528\u53ef\u80fd\u306a\u96fb\u6d41\u304c\u4ed5\u69d8\u3068\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u96fb\u6e90\u304c\u4e0d\u5b89\u5b9a\u306a\u5834\u5408\u3001\u6052\u4e45\u7684\u306a\u505c\u96fb\u3067\u306f\u306a\u304f\u3001\u30ea\u30f3\u30af\u30a8\u30e9\u30fc\u304c\u7e70\u308a\u8fd4\u3057\u767a\u751f\u3059\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-f7e2356a\">\u6b21\u306b\u30012\u3064\u306e\u9285\u7dda\u30bb\u30b0\u30e1\u30f3\u30c8\u3092\u500b\u5225\u306b\u70b9\u691c\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4e21\u7aef\u70b9\u3067\u5831\u544a\u3055\u308c\u3066\u3044\u308b\u5b9f\u969b\u306e\u52d5\u4f5c\u901f\u5ea6\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u300c\u30ae\u30ac\u30d3\u30c3\u30c8\u300d\u3068\u8b33\u308f\u308c\u3066\u3044\u308b\u6a5f\u5668\u3067\u3042\u3063\u3066\u3082\u3001\u63a5\u7d9a\u3055\u308c\u305f\u3059\u3079\u3066\u306e\u30dd\u30fc\u30c8\u304c\u73fe\u57281 Gbps\u3067\u52d5\u4f5c\u3057\u3066\u3044\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-87e3cda1\">\u901f\u5ea6\u3068\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u304c\u8a2d\u5b9a\u53ef\u80fd\u306a\u5834\u5408\u306f\u3001\u307e\u305a\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b\u4e00\u8cab\u6027\u306e\u3042\u308b\u8a2d\u5b9a\u304b\u3089\u59cb\u3081\u3066\u304f\u3060\u3055\u3044\u3002\u4e00\u65b9\u3092\u5f37\u5236\u8a2d\u5b9a\u3057\u3001\u3082\u3046\u4e00\u65b9\u3092\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u306b\u4efb\u305b\u3066\u3057\u307e\u3046\u3068\u3001\u30ea\u30f3\u30af\u306e\u52d5\u4f5c\u304c\u4e0d\u5b89\u5b9a\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u901f\u5ea6\u3001\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u3001\u30d5\u30ed\u30fc\u5236\u5fa1\u3001\u304a\u3088\u3073\u30b1\u30fc\u30d6\u30eb\u63a5\u7d9a\u3092\u540c\u6642\u306b\u5909\u66f4\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u3092\u4fdd\u5b58\u3057\u30011\u56de\u306b\u3064\u304d1\u3064\u306e\u5909\u66f4\u306e\u307f\u3092\u5236\u5fa1\u3055\u308c\u305f\u5f62\u3067\u5b9f\u65bd\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-d5f2f69c\">\u9285\u7dda\u306b\u554f\u984c\u304c\u3042\u308b\u3053\u3068\u304c\u793a\u5506\u3055\u308c\u308b\u5834\u5408\u306f\u3001\u6b63\u5e38\u306b\u52d5\u4f5c\u3059\u308b\u3053\u3068\u304c\u78ba\u8a8d\u6e08\u307f\u3067\u3001\u5b9a\u683c\u304c\u9069\u5207\u306a\u9285\u88fd\u30d1\u30c3\u30c1\u30b1\u30fc\u30d6\u30eb\u306b\u4ea4\u63db\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u9078\u629e\u3057\u305f\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30e2\u30fc\u30c9\u306e\u8981\u4ef6\u306e\u7bc4\u56f2\u5185\u3067\u3001\u9285\u7dda\u30c1\u30e3\u30cd\u30eb\u5168\u4f53\u3092\u7dad\u6301\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-f63cdb7d\">2. \u30b3\u30cd\u30af\u30bf\u3060\u3051\u3067\u306a\u304f\u3001\u5149\u8def\u3082\u4e00\u81f4\u3055\u305b\u308b\u3053\u3068<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ab87678a\">\u9069\u5408\u3059\u308bSC\u307e\u305f\u306fLC\u30d7\u30e9\u30b0\u304c\u3042\u308b\u304b\u3089\u3068\u3044\u3063\u3066\u3001\u5149\u5b66\u7684\u4e92\u63db\u6027\u304c\u4fdd\u8a3c\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4ee5\u4e0b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u306ePMD\u304a\u3088\u3073\u4e21\u5149\u7aef\u306b\u304a\u3051\u308b\u5b9f\u969b\u306e\u52d5\u4f5c\u30ec\u30fc\u30c8<\/li>\n\n\n\n<li>\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u307e\u305f\u306f\u30de\u30eb\u30c1\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc<\/li>\n\n\n\n<li>\u30b3\u30cd\u30af\u30bf\u306e\u30b7\u30ea\u30fc\u30ba\u3068\u7814\u78e8\u4ed5\u4e0a\u3052\uff1bAPC\u3068UPC\u3092\u63a5\u7d9a\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044<\/li>\n\n\n\n<li>\u9001\u53d7\u4fe1\u6ce2\u9577<\/li>\n\n\n\n<li>\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u9001\u4fe1\uff08TX\uff09\u3068\u53d7\u4fe1\uff08RX\uff09\u306e\u6975\u6027\u3001\u3042\u308b\u3044\u306f\u6b63\u3057\u3044\u30b7\u30f3\u30b0\u30eb\u30d5\u30a1\u30a4\u30d0\u30fcBiDi\u306eA\/B\u30da\u30a2<\/li>\n\n\n\n<li>\u30ec\u30b7\u30fc\u30d0\u30fc\u306e\u52d5\u4f5c\u5165\u529b\u306e\u6700\u5c0f\u5024\u304a\u3088\u3073\u6700\u5927\u5024\u306b\u5bfe\u3059\u308b\u7d4c\u8def\u640d\u5931<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-14c3d0c8\">\u306b\u3064\u3044\u3066 <a href=\"https:\/\/ieeexplore.ieee.org\/document\/9844436\" target=\"_blank\" rel=\"noopener\">IEEE 802.3-2022 \u898f\u683c\u8a18\u9332<\/a> \u3055\u307e\u3056\u307e\u306a\u4f1d\u9001\u5a92\u4f53\u3084\u4f1d\u9001\u901f\u5ea6\u306b\u5bfe\u5fdc\u3057\u305f\u3001\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u7269\u7406\u5c64\u3092\u7db2\u7f85\u3057\u3066\u3044\u307e\u3059\u3002\u7279\u5b9a\u306e\u88fd\u54c1\u304c\u3069\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u304b\u306f\u3001\u4f9d\u7136\u3068\u3057\u3066\u30b3\u30f3\u30d0\u30fc\u30bf\u304a\u3088\u3073\u30c8\u30e9\u30f3\u30b7\u30fc\u30d0\u306e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306b\u3088\u3063\u3066\u6c7a\u5b9a\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-5006d152\">\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u5834\u5408\u3001\u5404\u65b9\u5411\u306b\u304a\u3044\u3066\u3001\u30ed\u30fc\u30ab\u30eb\u5074\u306e\u9001\u4fe1\uff08TX\uff09\u304c\u30ea\u30e2\u30fc\u30c8\u5074\u306e\u53d7\u4fe1\uff08RX\uff09\u306b\u5230\u9054\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3082\u3057 <a style=\"color: #FF6A00;\" target=\"_blank\" href=\"https:\/\/www.luleey.com\/ja\/tag\/fiber-link\/\" title=\"\u300cFiber Link\u300d\u306e\u3059\u3079\u3066\u306e\u6295\u7a3f\u3092\u8868\u793a\">\u30d5\u30a1\u30a4\u30d0\u30fc\u30ea\u30f3\u30af<\/a> \u78ba\u7acb\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001\u6587\u66f8\u5316\u3055\u308c\u305f\u6975\u6027\u8a66\u9a13\u3068\u3057\u3066\u306e\u307f\u4e8c\u91cd\u7dda\u30da\u30a2\u3092\u53cd\u8ee2\u3055\u305b\u3066\u304f\u3060\u3055\u3044\u3002\u751f\u7523\u7528\u30d5\u30a1\u30a4\u30d0\u30fc\u3092\u7121\u4f5c\u70ba\u306b\u79fb\u52d5\u3055\u305b\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c6084aa4\">\u30b7\u30f3\u30b0\u30eb\u30d5\u30a1\u30a4\u30d0\u30fc\u306eBiDi\u306e\u5834\u5408\u3001\u4e21\u7aef\u3067\u306f\u901a\u5e38\u3001\u4e92\u3044\u306b\u88dc\u5b8c\u7684\u306a\u6ce2\u9577\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u9001\u53d7\u4fe1\u65b9\u5411\u304c\u540c\u30582\u3064\u306e\u30e6\u30cb\u30c3\u30c8\u306f\u3001\u96fb\u6e90\u3092\u5165\u308c\u3066\u3082\u901a\u5e38\u306e\u5149\u30da\u30a2\u3092\u5f62\u6210\u3057\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-df93f1b4\">\u627f\u8a8d\u3055\u308c\u305f\u6a5f\u5668\u3092\u4f7f\u7528\u3057\u3066\u3001\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a\u30b3\u30cd\u30af\u30bf\u3092\u70b9\u691c\u30fb\u6e05\u6383\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u306e <a href=\"https:\/\/foa.org\/tech\/ref\/testing\/test\/scope.html\" target=\"_blank\" rel=\"noopener\">\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u5354\u4f1a \u30b3\u30cd\u30af\u30bf\u30ac\u30a4\u30c9<\/a> \u3053\u308c\u306f\u3001\u5d4c\u5408\u3057\u305f\u30d5\u30a7\u30eb\u30fc\u30eb\u9593\u3067\u6c5a\u67d3\u304c\u4f1d\u64ad\u3059\u308b\u7406\u7531\u3092\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002\u6c7a\u3057\u3066\u30d5\u30a1\u30a4\u30d0\u30fc\u3084\u5149\u30dd\u30fc\u30c8\u3092\u8997\u304d\u8fbc\u307e\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u96fb\u6e90\u306e\u72b6\u614b\u3092\u78ba\u8a8d\u3057\u3001\u9069\u5207\u306a\u6620\u50cf\u691c\u67fb\u65b9\u6cd5\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-a1c7fd4f\">\u4e00\u822c\u7684\u306adBm\u7bc4\u56f2\u306e\u30ea\u30f3\u30af\u306f\u627f\u8a8d\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u5404\u65b9\u5411\u306b\u3064\u3044\u3066\u3001\u9001\u4fe1\u6a5f\u304a\u3088\u3073\u53d7\u4fe1\u6a5f\u306e\u6b63\u78ba\u306a\u4ed5\u69d8\u3068\u7167\u3089\u3057\u5408\u308f\u305b\u3066\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002DDM\u304c\u5229\u7528\u53ef\u80fd\u306a\u5834\u5408\u306f\u3001\u8a3a\u65ad\u7cbe\u5ea6\u3082\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-62ccaded\">3. \u30d5\u30ec\u30fc\u30e0\u304c\u53cc\u65b9\u5411\u306b\u901a\u904e\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-2304060d\">\u3059\u3079\u3066\u306e\u30ea\u30f3\u30af\u8868\u793a\u304c\u70b9\u706f\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001LED\u3070\u304b\u308a\u898b\u3064\u3081\u308b\u306e\u3092\u3084\u3081\u3066\u3001\u5909\u5316\u3057\u3066\u3044\u308b\u30ab\u30a6\u30f3\u30bf\u3092\u63a2\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-e993812b\">\u77ed\u6642\u9593\u306e\u8a31\u53ef\u3055\u308c\u305f\u30c6\u30b9\u30c8\u306e\u5b9f\u65bd\u524d\u3068\u5b9f\u65bd\u5f8c\u306b\u30012\u3064\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u30dd\u30fc\u30c8\u3067\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u4ed8\u304d\u306e\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3092\u64ae\u5f71\u3057\u307e\u3059\u3002\u9001\u53d7\u4fe1\u3055\u308c\u305f\u30d5\u30ec\u30fc\u30e0\u3001FCS\/CRC\u30a8\u30e9\u30fc\u3001\u30c9\u30ed\u30c3\u30d7\u3001\u30ea\u30f3\u30af\u30a4\u30d9\u30f3\u30c8\u3001\u304a\u3088\u3073\u5b9f\u969b\u306e\u8ee2\u9001\u30ec\u30fc\u30c8\u3092\u8a18\u9332\u3057\u307e\u3059\u3002\u30ab\u30a6\u30f3\u30bf\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002 <strong>\u30c7\u30eb\u30bf<\/strong>, \u3001\u904e\u53bb\u306e\u7d2f\u8a08\u5408\u8a08\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u89b3\u5bdf<\/th><th>\u6b21\u306b\u30c6\u30b9\u30c8\u3059\u3079\u304d\u3068\u601d\u308f\u308c\u308b\u969c\u5bb3\u30c9\u30e1\u30a4\u30f3<\/th><\/tr><\/thead><tbody><tr><td>\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8A\u306f\u9001\u4fe1\u3057\u3066\u3044\u308b\u304c\u3001\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8B\u306b\u306f\u4f55\u3082\u53d7\u4fe1\u3055\u308c\u3066\u3044\u306a\u3044<\/td><td>A-B\u9593\u306e\u9285\u7dda\u3001\u30b3\u30f3\u30d0\u30fc\u30bf\u3001\u5149\u65b9\u5411\u3001\u307e\u305f\u306fB\u5074\u306e\u53d7\u4fe1\u7d4c\u8def<\/td><\/tr><tr><td>\u4ea4\u901a\u306f\u4e00\u65b9\u901a\u884c\u306e\u307f\u3067\u3059<\/td><td>2\u3064\u306e\u65b9\u5411\u3092\u5225\u3005\u306b\u51e6\u7406\u3057\u3001\u6975\u6027\u3001BiDi\u30da\u30a2\u30ea\u30f3\u30b0\u3001\u304a\u3088\u3073\u5f71\u97ff\u3092\u53d7\u3051\u3066\u3044\u308b\u53d7\u4fe1\u7d4c\u8def\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>\u4e21\u65b9\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u304c\u30d5\u30ec\u30fc\u30e0\u3092\u3084\u308a\u53d6\u308a\u3057\u3066\u3044\u308b\u304c\u3001IP\u30a2\u30c9\u30ec\u30b9\u306f\u8868\u793a\u3055\u308c\u306a\u3044<\/td><td>VLAN\u3001DHCP\u3001PPPoE\u3001\u307e\u305f\u306fIP\u8a2d\u5b9a\u3078\u5207\u308a\u66ff\u3048\u308b<\/td><\/tr><tr><td>\u30d5\u30ec\u30fc\u30e0\u306f\u901a\u904e\u3059\u308b\u304c\u3001FCS\/CRC\u30a8\u30e9\u30fc\u304c\u5897\u52a0\u3057\u3066\u3044\u308b<\/td><td>\u53d7\u4fe1\u65b9\u5411\u3001\u5149\u5b66\u90e8\u54c1\u3001\u914d\u7dda\u3001\u304a\u3088\u3073\u30db\u30b9\u30c8\u30dd\u30fc\u30c8\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u300cLink Up\u300d\u306e\u72b6\u614b\u3060\u3051\u3067\u306f\u4e0d\u5341\u5206\u3067\u3059\u3002<\/td><\/tr><tr><td>\u30ea\u30f3\u30af\u304c\u983b\u7e41\u306b\u5207\u65ad\u3055\u308c\u305f\u308a\u5fa9\u65e7\u3057\u305f\u308a\u3059\u308b<\/td><td>\u96fb\u6e90\u3001\u30b1\u30fc\u30d6\u30eb\u306e\u63a5\u7d9a\u72b6\u614b\u3001\u6e29\u5ea6\u3001\u8ee2\u9001\u901f\u5ea6\uff0f\u30e2\u30fc\u30c9\u306e\u5bfe\u5fdc\u72b6\u6cc1\u3001\u304a\u3088\u3073\u7269\u7406\u7684\u306a\u7d4c\u8def\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-229c05ad\">\u53d7\u4fe1\u96fb\u529b\u304c\u6b63\u5e38\u306b\u898b\u3048\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u30a8\u30e9\u30fc\u304c\u5897\u52a0\u3059\u308b\u5834\u5408\u306f\u3001LuLeey\u306e <a href=\"https:\/\/www.luleey.com\/ja\/sfp-crc-errors-with-normal-rx-power-what-to-check\/\">SFP CRC \u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u30ac\u30a4\u30c9<\/a> 1\u56de\u306e\u6e2c\u5b9a\u7d50\u679c\u3060\u3051\u3067\u5149\u5b66\u7cfb\u306b\u4e0d\u5177\u5408\u304c\u3042\u308b\u3068\u5224\u65ad\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u4e0d\u826f\u30d5\u30ec\u30fc\u30e0\u306e\u65b9\u5411\u3092\u8ffd\u8de1\u3059\u308b\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-138a3e19\">4. \u30b3\u30f3\u30d0\u30fc\u30bf\u30fc\u304c\u5b9f\u969b\u306b\u4f55\u3092\u5909\u63db\u3067\u304d\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-0e86dc80\">\u4e00\u90e8\u306e\u30e1\u30c7\u30a3\u30a2\u30b3\u30f3\u30d0\u30fc\u30bf\u306f\u3001\u9285\u7dda\u3068\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u9593\u306e\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30e2\u30fc\u30c9\u3092\u30d6\u30ea\u30c3\u30b8\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u30b9\u30a4\u30c3\u30c1\u6a5f\u80fd\u3092\u5099\u3048\u3066\u3044\u308b\u3082\u306e\u3084\u3001\u30db\u30b9\u30c8\u5074\u306e\u8907\u6570\u306e\u4f1d\u9001\u901f\u5ea6\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3082\u306e\u3082\u3042\u308a\u307e\u3059\u3002\u4e21\u65b9\u306e\u30ea\u30f3\u30af\u304c\u7dd1\u8272\u306b\u70b9\u706f\u3057\u3066\u3044\u308b\u304b\u3089\u3068\u3044\u3063\u3066\u3001\u3059\u3079\u3066\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u4efb\u610f\u306e\u4f1d\u9001\u901f\u5ea6\u5909\u63db\u3092\u884c\u3046\u3068\u306f\u9650\u3089\u306a\u3044\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-9fb3e27c\">\u56fa\u5b9a\u5149\u5b66\u7cfb\u30b3\u30f3\u30d0\u30fc\u30bf\u306e\u5834\u5408\u306f\u3001\u5185\u8535\u306e\u5149PMD\u304a\u3088\u3073\u9285\u30e2\u30fc\u30c9\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002SFP\u30d9\u30fc\u30b9\u306e\u30b3\u30f3\u30d0\u30fc\u30bf\u306e\u5834\u5408\u306f\u3001\u5177\u4f53\u7684\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u30b3\u30fc\u30c9\u3001\u30b3\u30f3\u30d0\u30fc\u30bf\u306e\u30c1\u30c3\u30d7\u30bb\u30c3\u30c8\/PHY\u3001\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3001\u30b9\u30ed\u30c3\u30c8\u306e\u96fb\u6c17\u30e2\u30fc\u30c9\u3001\u304a\u3088\u3073\u30dd\u30fc\u30c8\u8a2d\u5b9a\u3082\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-ccc088b9\">SFP\u3001SFP+\u3001SFP28\u3068\u3044\u3046\u540d\u79f0\u306f\u3001\u30d5\u30a9\u30fc\u30e0\u30d5\u30a1\u30af\u30bf\u306e\u30d5\u30a1\u30df\u30ea\u30fc\u3092\u6307\u3059\u3082\u306e\u3067\u3042\u308a\u3001\u5b8c\u5168\u306a\u4e92\u63db\u6027\u3092\u4fdd\u8a3c\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u7269\u7406\u7684\u306a\u9069\u5408\u6027\u3001\u30db\u30b9\u30c8\u306eSerDes\u30e2\u30fc\u30c9\u3001\u30cd\u30b4\u30b7\u30a8\u30fc\u30b7\u30e7\u30f3\u307e\u305f\u306f\u8a2d\u5b9a\u3055\u308c\u305f\u4f1d\u9001\u901f\u5ea6\u3001\u304a\u3088\u3073\u5229\u7528\u53ef\u80fd\u306a\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u306b\u3064\u3044\u3066\u306f\u3001\u305d\u308c\u305e\u308c\u500b\u5225\u306b\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-c0f2cff1\">2.5G PON ONU\u30b9\u30c6\u30a3\u30c3\u30af\u306b\u3064\u3044\u3066\u3082\u3001\u540c\u69d8\u306e\u6ce8\u610f\u70b9\u304c\u3042\u308a\u307e\u3059\u3002\u300c1G\u300d\u307e\u305f\u306f\u300c10G\u300d\u3068\u8868\u793a\u3055\u308c\u305f\u30dd\u30fc\u30c8\u306f\u3001\u53cc\u65b9\u304c\u4e92\u63db\u6027\u306e\u3042\u308b1G\u30db\u30b9\u30c8\u30e2\u30fc\u30c9\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u306e\u307f\u3001\u30b9\u30c6\u30a3\u30c3\u30af\u3068\u7d44\u307f\u5408\u308f\u305b\u30661G\u3067\u52d5\u4f5c\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4e00\u90e8\u306eSFP+\u30db\u30b9\u30c8\u3067\u306f\u3001\u9069\u5207\u306a\u30c1\u30c3\u30d7\u30bb\u30c3\u30c8\u3001PHY\u3001\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3001\u304a\u3088\u3073\u8a2d\u5b9a\u304c\u3042\u308c\u3070\u30012.5G\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 \u30b1\u30fc\u30b8\u306e\u30e9\u30d9\u30eb\u3060\u3051\u3067\u5224\u65ad\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30b3\u30f3\u30d0\u30fc\u30bf\u306e\u6b63\u78ba\u306a\u30e2\u30c7\u30eb\u3001\u30db\u30b9\u30c8\u30e2\u30fc\u30c9\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3001\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\uff0f\u30c9\u30e9\u30a4\u30d0\u3001\u304a\u3088\u3073\u5b9f\u969b\u306b\u89b3\u6e2c\u3055\u308c\u305f\u901a\u4fe1\u901f\u5ea6\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-b1649a57\">5. \u30d5\u30ec\u30fc\u30e0\u304c\u901a\u904e\u3057\u305f\u5f8c\u306eVLAN\u304a\u3088\u3073\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b5\u30fc\u30d3\u30b9\u306e\u78ba\u8a8d<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-9d530b33\">\u57fa\u672c\u7684\u306a\u975e\u7ba1\u7406\u578b\u30e1\u30c7\u30a3\u30a2\u30b3\u30f3\u30d0\u30fc\u30bf\u306f\u3001\u901a\u5e38\u3001IP \u30a2\u30c9\u30ec\u30b9\u3092\u5272\u308a\u5f53\u3066\u305f\u308a\u3001\u30b5\u30d6\u30cd\u30c3\u30c8\u9593\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u884c\u3063\u305f\u308a\u3001VLAN \u306e\u4e0d\u4e00\u81f4\u3092\u4fee\u6b63\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30d5\u30ec\u30fc\u30e0\u304c\u53cc\u65b9\u5411\u306b\u901a\u904e\u3057\u305f\u3089\u3001\u30b9\u30bf\u30c3\u30af\u306e\u4e0a\u4f4d\u5c64\u3078\u3068\u51e6\u7406\u3092\u9032\u3081\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-e9afa240\">\u78ba\u8a8d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e21\u65b9\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u30dd\u30fc\u30c8\u306b\u304a\u3051\u308b\u30a2\u30af\u30bb\u30b9VLAN\u3068\u30bf\u30b0\u4ed8\u304dVLAN\u306e\u671f\u5f85\u5024\u306e\u6bd4\u8f03<\/li>\n\n\n\n<li>\u5fc5\u8981\u306aVLAN\u306e\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3092\u884c\u3063\u3066\u3044\u308b\u306e\u304c\u3001\u30de\u30cd\u30fc\u30b8\u30c9\u30b3\u30f3\u30d0\u30fc\u30bf\u304b\u30b9\u30a4\u30c3\u30c1\u304b<\/li>\n\n\n\n<li>STP\u3001\u30ea\u30f3\u30af\u30a2\u30b0\u30ea\u30b2\u30fc\u30b7\u30e7\u30f3\u3001\u30dd\u30fc\u30c8\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u307e\u305f\u306f\u30eb\u30fc\u30d7\u4fdd\u8b77\u306e\u72b6\u614b<\/li>\n\n\n\n<li>\u5bfe\u8c61\u306eVLAN\u306b\u304a\u3051\u308bDHCP\u307e\u305f\u306fPPPoE\u306e\u5229\u7528\u53ef\u5426<\/li>\n\n\n\n<li>\u56fa\u5b9aIP\u30a2\u30c9\u30ec\u30b9\u3001\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3001\u304a\u3088\u3073DNS\u8a2d\u5b9a<\/li>\n\n\n\n<li>\u30db\u30b9\u30c8\u540d\u3084\u30c6\u30b9\u30c8\u5bfe\u8c61\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u3001Wi-Fi\u306a\u3069\u306e\u5225\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-2d441c97\">IEEE 802.1Q \u3067\u306f\u3001\u30d6\u30ea\u30c3\u30b8\u63a5\u7d9a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068 VLAN \u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u306e <a href=\"https:\/\/ieeexplore.ieee.org\/document\/10004498\" target=\"_blank\" rel=\"noopener\">IEEE 802.1Q-2022 \u306e\u8a18\u9332<\/a> \u304c\u95a2\u9023\u3059\u308b\u898f\u683c\u306e\u53c2\u7167\u5148\u3067\u3059\u3002\u7269\u7406\u7684\u306a\u30ea\u30f3\u30af\u306e\u8868\u793a\u3060\u3051\u3067\u306f\u30012\u3064\u306e\u30dd\u30fc\u30c8\u304c\u540c\u4e00\u306e\u8ee2\u9001\u30b5\u30fc\u30d3\u30b9\u306b\u5c5e\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u8a3c\u660e\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-fb9a77e2\">\u30c6\u30b9\u30c8\u3092\u884c\u3046\u969b\u306f\u3001\u5bfe\u8c61\u306e\u6709\u7ddaIP\u30a2\u30c9\u30ec\u30b9\u3068\u3001\u540c\u3058\u30b5\u30fc\u30d3\u30b9\u4e0a\u306e\u65e2\u77e5\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u30c6\u30b9\u30c8\u3067\u5931\u6557\u3057\u305f\u3060\u3051\u3067\u306f\u3001\u30b3\u30f3\u30d0\u30fc\u30bf\u30fc\u3068\u30eb\u30fc\u30bf\u30fc\u3001DNS\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3001\u3042\u308b\u3044\u306f\u30a2\u30c3\u30d7\u30b9\u30c8\u30ea\u30fc\u30e0\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3092\u533a\u5225\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<div class=\"wp-block-wd-image wd-block-image wd-333f17ab\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" class=\"wp-image-22328\" src=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/media-converter-troubleshooting-flow.png\" alt=\"\" title=\"\" srcset=\"https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/media-converter-troubleshooting-flow.png 1000w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/media-converter-troubleshooting-flow-800x800.png 800w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/media-converter-troubleshooting-flow-400x400.png 400w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/media-converter-troubleshooting-flow-768x768.png 768w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/media-converter-troubleshooting-flow-12x12.png 12w, https:\/\/www.luleey.com\/wp-content\/uploads\/2026\/09\/media-converter-troubleshooting-flow-150x150.png 150w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/div>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-2f8e287d\">6. \u6700\u521d\u306b\u969c\u5bb3\u304c\u767a\u751f\u3057\u305f\u30bb\u30b0\u30e1\u30f3\u30c8\u3092\u7279\u5b9a\u3059\u308b<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-7779d531\">\u672a\u77e5\u6570\u30921\u3064\u89e3\u6d88\u3067\u304d\u308b\u3001\u5f71\u97ff\u304c\u6700\u3082\u5c11\u306a\u3044\u30c6\u30b9\u30c8\u3092\u884c\u3046\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5143\u306e\u30c8\u30dd\u30ed\u30b8\u30fc\u3001\u8a2d\u5b9a\u3001LED\u306e\u72b6\u614b\u3001\u304a\u3088\u3073\u30ab\u30a6\u30f3\u30bf\u3092\u4fdd\u5b58\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li>\u96fb\u6e90\u304c\u5b89\u5b9a\u3057\u3066\u3044\u308b\u3053\u3068\u3001\u304a\u3088\u3073\u4e21\u65b9\u306e\u9285\u7dda\u63a5\u7d9a\u304c\u6b63\u5e38\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u5149PMD\u3001\u30d5\u30a1\u30a4\u30d0\u30fc\u3001\u7814\u78e8\u72b6\u614b\u3001\u6975\u6027\u3001BiDi\u30da\u30a2\u30ea\u30f3\u30b0\u3001\u304a\u3088\u3073\u96fb\u529b\u5236\u9650\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u30d5\u30ec\u30fc\u30e0\u304a\u3088\u3073\u30ab\u30a6\u30f3\u30bf\u306e\u5909\u66f4\u304c\u3001\u4e21\u7aef\u70b9\u3067\u53cd\u6620\u3055\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u30d5\u30ec\u30fc\u30e0\u304c\u901a\u904e\u3059\u308b\u5834\u5408\u306f\u3001\u5149\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4ea4\u63db\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001VLAN\u304a\u3088\u3073IP\u30b5\u30fc\u30d3\u30b9\u3092\u30c6\u30b9\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u627f\u8a8d\u3055\u308c\u305f\u6574\u5099\u6642\u9593\u5e2f\u306b\u3001\u6b63\u5e38\u3067\u3042\u308b\u3053\u3068\u304c\u78ba\u8a8d\u6e08\u307f\u3067\u3001\u4ed5\u69d8\u304c\u6b63\u3057\u3044\u90e8\u54c1\u30921\u3064\u3060\u3051\u4ea4\u63db\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n\n\n\n<li>\u540c\u3058\u78ba\u8a8d\u4f5c\u696d\u3092\u7e70\u308a\u8fd4\u3057\u3001\u5b8c\u4e86\u3057\u305f\u3089\u627f\u8a8d\u6e08\u307f\u306e\u8a2d\u5b9a\u306b\u623b\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-311c2ab6\">\u30ed\u30fc\u30ab\u30eb\u3067\u306e\u76f4\u63a5\u30c6\u30b9\u30c8\u306b\u3088\u308a\u554f\u984c\u306e\u7bc4\u56f2\u3092\u7d5e\u308a\u8fbc\u3080\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304c\u3001\u305d\u308c\u3060\u3051\u3067\u306f\u751f\u7523\u30eb\u30fc\u30c8\u306e\u59a5\u5f53\u6027\u3092\u4fdd\u8a3c\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u540c\u69d8\u306b\u3001\u7570\u306a\u308b\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3092\u6301\u3064\u30d9\u30f3\u30c1\u4e0a\u3067\u52d5\u4f5c\u3059\u308b\u30b3\u30f3\u30d0\u30fc\u30bf\u3067\u3042\u3063\u3066\u3082\u3001\u5143\u306e\u30dd\u30fc\u30c8\u30e2\u30fc\u30c9\u3084\u30b5\u30fc\u30d3\u30b9\u8a2d\u8a08\u3068\u81ea\u52d5\u7684\u306b\u4e92\u63db\u6027\u304c\u3042\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-wd-title title wd-899172a1\">LuLeey\u30e1\u30c7\u30a3\u30a2\u30b3\u30f3\u30d0\u30fc\u30bf\u30fc\u306e\u6d3b\u7528\u30b7\u30fc\u30f3<\/h2>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-0e71f1d0\">LuLeey\u2019s <a href=\"https:\/\/www.luleey.com\/ja\/product-category\/fiber-optic-transceiver\/copper-to-fiber-media-converters\/\">\u9285\u7dda-\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u30e1\u30c7\u30a3\u30a2\u30b3\u30f3\u30d0\u30fc\u30bf\u88fd\u54c1\u7fa4<\/a> \u3055\u307e\u3056\u307e\u306a\u4f1d\u9001\u901f\u5ea6\u306b\u5bfe\u5fdc\u3057\u305f\u3001\u56fa\u5b9a\u5149\u5b66\u7cfb\u304a\u3088\u3073\u30d7\u30e9\u30b0\u30a4\u30f3\u30e2\u30b8\u30e5\u30fc\u30eb\u65b9\u5f0f\u306e\u8a2d\u8a08\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u30b3\u30cd\u30af\u30bf\u306e\u5916\u89b3\u3060\u3051\u3067\u306a\u304f\u3001\u7d4c\u8def\u5168\u4f53\u3092\u8003\u616e\u3057\u3066\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-8c14f315\">\u5177\u4f53\u7684\u306a\u4f8b\u3092\u6319\u3052\u308b\u3068\u3001 <a href=\"https:\/\/www.luleey.com\/ja\/product\/1000m-mini-smf-sc-bidi-fiber-media-converter\/\">LL-BDMC1000 \u56fa\u5b9a\u578b SC BiDi \u30b3\u30f3\u30d0\u30fc\u30bf<\/a> \u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9SC\/UPC\u5149\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u30011310\/1550 nm\u306eA\/B\u30da\u30a2\u3001\u304a\u3088\u3073\u6700\u592720 km\u306e\u4f1d\u9001\u8ddd\u96e2\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u56fa\u5b9a\u578b\u5149\u30b3\u30f3\u30d0\u30fc\u30bf\u3067\u3042\u308a\u3001SFP\u30b1\u30fc\u30b8\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u307e\u305f\u3001PON ONU Stick\u306e\u30db\u30b9\u30c8\u3068\u3057\u3066\u6271\u3063\u3066\u306f\u306a\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p class=\"wp-block-wd-paragraph wd-4be9ec6b\">\u3053\u306e\u30da\u30fc\u30b8\u306b\u306f\u73fe\u5728\u3001\u9285\u306e\u30ec\u30fc\u30c8\u306b\u95a2\u3059\u308b2\u3064\u306e\u7570\u306a\u308b\u8aac\u660e\u304c\u63b2\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u2015\u2015<code>10\/100\/1000 Mbps<\/code> \u3042\u308b\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u3001\u305d\u3057\u3066 <code>100\/1000M \u81ea\u52d5\u5207\u66ff<\/code> \u4ed5\u69d8\u8868\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u8cfc\u5165\u307e\u305f\u306f\u5c0e\u5165\u524d\u306b\u3001LuLeey\u306b\u78ba\u8a8d\u3057\u3066\u3001\u6b63\u78ba\u306a\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30ea\u30d3\u30b8\u30e7\u30f3\u304a\u3088\u3073\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b\u9285\u7dda\u30e2\u30fc\u30c9\u3092\u78ba\u304b\u3081\u3066\u304f\u3060\u3055\u3044\u3002\u307e\u305f\u3001\u3053\u306e\u30da\u30fc\u30b8\u306b\u306f\u5149\u30d1\u30ef\u30fc\u306e\u5168\u7bc4\u56f2\u304c\u63b2\u8f09\u3055\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u8ddd\u96e2\u306e\u8868\u8a18\u3060\u3051\u3067\u306f\u7279\u5b9a\u306e\u30eb\u30fc\u30c8\u306e\u53d7\u5165\u8a66\u9a13\u3068\u306f\u306a\u308a\u307e\u305b\u3093\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u30bb\u30b0\u30e1\u30f3\u30c8\u306e\u8a3c\u62e0\u306f\u3001\u305d\u308c\u304c\u8a3c\u660e\u3057\u306a\u3044\u3053\u3068\u3092\u8a18\u9332\u3059\u308b\u3002\u96fb\u6e90\uff1a\u9069\u5207\u306a\u30a2\u30c0\u30d7\u30bf\u30fc\u3001\u5b89\u5b9a\u3057\u305f\u96fb\u6e90LED\u3001\u8ca0\u8377\u6642\u306e\u96fb\u5727\u304c\u9069\u6b63\u3067\u3042\u308b\u3053\u3068\u3001\u307e\u305f\u306f<\/p>","protected":false},"author":1,"featured_media":22329,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1077],"tags":[31,1673,1672,1674,1671,1675,1676],"class_list":["post-22327","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-problem-cases","tag-bidi","tag-ethernet-troubleshooting","tag-fiber-link","tag-fiber-media-converter","tag-link-light","tag-no-network","tag-rj45-to-fiber"],"_links":{"self":[{"href":"https:\/\/www.luleey.com\/ja\/wp-json\/wp\/v2\/posts\/22327","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=22327"}],"version-history":[{"count":1,"href":"https:\/\/www.luleey.com\/ja\/wp-json\/wp\/v2\/posts\/22327\/revisions"}],"predecessor-version":[{"id":22330,"href":"https:\/\/www.luleey.com\/ja\/wp-json\/wp\/v2\/posts\/22327\/revisions\/22330"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.luleey.com\/ja\/wp-json\/wp\/v2\/media\/22329"}],"wp:attachment":[{"href":"https:\/\/www.luleey.com\/ja\/wp-json\/wp\/v2\/media?parent=22327"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.luleey.com\/ja\/wp-json\/wp\/v2\/categories?post=22327"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.luleey.com\/ja\/wp-json\/wp\/v2\/tags?post=22327"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}