{"id":288,"date":"2025-02-13T23:28:00","date_gmt":"2025-02-13T14:28:00","guid":{"rendered":"https:\/\/ccna-curriculum.tech-village.co.jp\/?p=288"},"modified":"2025-10-08T16:46:15","modified_gmt":"2025-10-08T07:46:15","slug":"%e3%82%a4%e3%83%b3%e3%82%bf%e3%83%bc%e3%83%8d%e3%83%83%e3%83%88%e6%8e%a5%e7%b6%9a%e3%81%a8ix","status":"publish","type":"post","link":"https:\/\/ccna-curriculum.tech-village.co.jp\/?p=288","title":{"rendered":"\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u3068IX"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\uff1aDSL\u3068\u306f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span class=\"swl-marker mark_yellow\">DSL\uff08Digital Subscriber Line\uff09<\/span><\/strong>\u306f\u3001\u65e2\u5b58\u306e\u96fb\u8a71\u56de\u7dda\u3067\u4f7f\u308f\u308c\u3066\u3044\u308b\u30e1\u30bf\u30eb\u30b1\u30fc\u30d6\u30eb\uff08\u9285\u7dda\uff09\u3092\u5229\u7528\u3057\u3066\u3001\u9ad8\u901f\u306a\u30c7\u30b8\u30bf\u30eb\u901a\u4fe1\u3092\u5b9f\u73fe\u3059\u308b\u6280\u8853\u3067\u3059\u3002\u65b0\u3057\u304f\u5149\u56de\u7dda\u3092\u6577\u8a2d\u305b\u305a\u3068\u3082\u5229\u7528\u3067\u304d\u308b\u305f\u3081\u3001\u5e83\u304f\u666e\u53ca\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DSL\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u65b9\u5f0f\u304c\u3042\u308a\u3001\u5927\u304d\u304f\u5206\u3051\u308b\u3068\u300c\u4e0a\u308a\u3068\u4e0b\u308a\u306e\u901f\u5ea6\u304c\u7570\u306a\u308b\u975e\u5bfe\u79f0\u578b\u300d\u3068\u300c\u4e21\u65b9\u540c\u3058\u901f\u5ea6\u306e\u5bfe\u79f0\u578b\u300d\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>DSL\u65b9\u5f0f<\/th><th>\u7279\u5fb4<\/th><\/tr><\/thead><tbody><tr><td><strong>ADSL<\/strong>\uff08Asymmetric DSL\uff09<\/td><td>\u4e0b\u308a\uff1a1.5\uff5e50Mbps\u3001\u4e0a\u308a\uff1a0.5\uff5e12Mbps\u3002\u975e\u5bfe\u79f0\u578b\u3067\u4e0b\u308a\u304c\u901f\u3044\u3002\u8ddd\u96e2\u306e\u5f71\u97ff\u3092\u5f37\u304f\u53d7\u3051\u3001\u57fa\u5730\u5c40\u304b\u30896km\u7a0b\u5ea6\u304c\u9650\u754c\u3002<\/td><\/tr><tr><td><strong>HDSL<\/strong>\uff08High-bit-rate DSL\uff09<\/td><td>2\u5bfe\u306e\u56de\u7dda\u3092\u4f7f\u7528\u3002\u4e0a\u4e0b\u5bfe\u79f0\u3067\u6700\u59272Mbps\u3002\u96fb\u8a71\uff08POTS\uff09\u3068\u540c\u6642\u5229\u7528\u3067\u304d\u306a\u3044\u3002<\/td><\/tr><tr><td><strong>SDSL<\/strong>\uff08Symmetric DSL\uff09<\/td><td>1\u5bfe\u306e\u56de\u7dda\u3067\u4e0a\u4e0b\u5bfe\u79f0\u3001\u6700\u59272Mbps\u3002\u305f\u3060\u3057\u57fa\u5730\u5c40\u307e\u30672km\u4ee5\u5185\u304c\u6761\u4ef6\u3002<\/td><\/tr><tr><td><strong>IDSL<\/strong>\uff08ISDN DSL\uff09<\/td><td>ISDN\u56de\u7dda\u3092\u5229\u7528\u3002D\u30c1\u30e3\u30cd\u30eb\u3092\u4f7f\u308f\u306a\u3044\u5834\u5408\u3001\u6700\u5927144kbps\u3067\u901a\u4fe1\u53ef\u80fd\u3002<\/td><\/tr><tr><td><strong>VDSL<\/strong>\uff08Very high bitrate DSL\uff09<\/td><td>\u4e0b\u308a\u6700\u5927100Mbps\u3001\u4e0a\u308a\u6700\u592740Mbps\u3002\u77ed\u8ddd\u96e2\uff081km\u4ee5\u5185\uff09\u3067\u9ad8\u901f\u3060\u304c\u3001\u8ddd\u96e2\u304c\u5ef6\u3073\u308b\u3068\u901f\u5ea6\u304c\u4f4e\u4e0b\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3069\u306eDSL\u65b9\u5f0f\u3067\u3082\u5171\u901a\u3057\u3066\u300c\u57fa\u5730\u5c40\u304b\u3089\u9060\u304f\u306a\u308b\u3068\u901f\u5ea6\u304c\u4f4e\u4e0b\u300d\u300c\u30ce\u30a4\u30ba\u306b\u5f31\u3044\u300d\u3068\u3044\u3046\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u9285\u7dda\u7279\u6709\u306e\u4fe1\u53f7\u6e1b\u8870\u306e\u5f71\u97ff\u306b\u3088\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\uff1aADSL<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span class=\"swl-marker mark_yellow\">ADSL<\/span><\/strong>\u306f\u500b\u4eba\u30e6\u30fc\u30b6\u30fc\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5229\u7528\u3067\u5e83\u304f\u666e\u53ca\u3057\u307e\u3057\u305f\u3002Web\u95b2\u89a7\u3084\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u306a\u3069\u4e0b\u308a\u901a\u4fe1\u306e\u9700\u8981\u304c\u5927\u304d\u3044\u3053\u3068\u304b\u3089\u3001\u4e0a\u308a\u3088\u308a\u4e0b\u308a\u306b\u5e83\u3044\u5e2f\u57df\u3092\u5272\u308a\u5f53\u3066\u3066\u3044\u307e\u3059\uff08\u975e\u5bfe\u79f0\u578b\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3048\u3070 <strong>G.992.1<\/strong> \u898f\u683c\u3067\u306f\u3001<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e0a\u308a\uff1a26\uff5e138kHz\uff08\u6700\u59271Mbps\uff09<\/li>\n\n\n\n<li>\u4e0b\u308a\uff1a148\uff5e1104kHz\uff08\u6700\u59278Mbps\uff09<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3068\u3044\u3046\u3088\u3046\u306b\u5468\u6ce2\u6570\u5e2f\u57df\u3092\u5206\u3051\u3066\u3044\u307e\u3059\u3002\u96fb\u8a71\u3067\u4f7f\u30460\uff5e4kHz\u306f\u97f3\u58f0\u901a\u8a71\u5c02\u7528\u306b\u78ba\u4fdd\u3055\u308c\u3001\u3053\u308c\u3092 <strong>POTS\uff08Plain Old Telephone Service\uff09<\/strong> \u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">ADSL\u306e\u7269\u7406\u69cb\u6210<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5229\u7528\u306b\u306f <strong><span class=\"swl-marker mark_yellow\">ADSL\u30e2\u30c7\u30e0<\/span><\/strong> \u3068 <strong><span class=\"swl-marker mark_yellow\">\u30b9\u30d7\u30ea\u30c3\u30bf<\/span><\/strong> \u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>PC \u2194 \u30e2\u30c7\u30e0<\/strong>\uff1aRJ45\uff08LAN\u30b1\u30fc\u30d6\u30eb\uff09<\/li>\n\n\n\n<li><strong>\u30e2\u30c7\u30e0 \u2194 \u96fb\u8a71\u56de\u7dda<\/strong>\uff1aRJ11\uff08\u96fb\u8a71\u30b1\u30fc\u30d6\u30eb\uff09<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b9\u30d7\u30ea\u30c3\u30bf\u306b\u3088\u308a\u300c\u97f3\u58f0\u901a\u8a71\u300d\u3068\u300c\u30c7\u30fc\u30bf\u901a\u4fe1\u300d\u3092\u5206\u96e2\u3059\u308b\u305f\u3081\u3001\u96fb\u8a71\u3092\u4f7f\u3044\u306a\u304c\u3089\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5229\u7528\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ad\u30e3\u30ea\u30a2\u5074\u3067\u306f\u3001\u8907\u6570\u306e\u52a0\u5165\u8005\u306eDSL\u56de\u7dda\u3092\u675f\u306d\u308b <strong>DSLAM\uff08Digital Subscriber Line Access Multiplexer\uff09<\/strong> \u304c\u8a2d\u7f6e\u3055\u308c\u3001\u3055\u3089\u306b\u4e0a\u4f4d\u306e\u30eb\u30fc\u30bf\u3078\u63a5\u7d9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\uff1aCATV\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span class=\"swl-marker mark_yellow\">CATV\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8<\/span><\/strong>\u306f\u3001\u30b1\u30fc\u30d6\u30eb\u30c6\u30ec\u30d3\uff08CATV\uff09\u7db2\u3092\u5229\u7528\u3057\u305f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u30b5\u30fc\u30d3\u30b9\u3067\u3059\u3002\u30c6\u30ec\u30d3\u653e\u9001\u3067\u5229\u7528\u3057\u3066\u3044\u306a\u3044\u5468\u6ce2\u6570\u5e2f\u3092\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u901a\u4fe1\u306b\u5272\u308a\u5f53\u3066\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e0a\u308a<\/strong>\uff1a10\uff5e55MHz\u306e\u7bc4\u56f2\u304b\u3089\u4efb\u610f\u306e1.6\uff5e6.4MHz<\/li>\n\n\n\n<li><strong>\u4e0b\u308a<\/strong>\uff1a600\uff5e770MHz\u306e\u7bc4\u56f2\u304b\u3089\u4efb\u610f\u306e6MHz<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u521d\u306f\u4e0b\u308a30Mbps\u7a0b\u5ea6\u3067\u3057\u305f\u304c\u3001\u73fe\u5728\u3067\u306f\u4e0b\u308a\u6700\u5927160Mbps\u3001\u4e0a\u308a\u6700\u592710Mbps\u3068\u3044\u3063\u305f\u30b5\u30fc\u30d3\u30b9\u3082\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DSL\u3068\u306e\u9055\u3044<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ADSL\u306f\u300c\u57fa\u5730\u5c40\u304b\u3089\u306e\u8ddd\u96e2\u300d\u304c\u901f\u5ea6\u306b\u5927\u304d\u304f\u5f71\u97ff\u3057\u307e\u3059\u304c\u3001CATV\u306f\u52a0\u5165\u8005\u5b85\u304b\u3089\u306e\u8ddd\u96e2\u306b\u95a2\u4fc2\u306a\u304f\u4e00\u5b9a\u306e\u901f\u5ea6\u3067\u5229\u7528\u3067\u304d\u308b\u70b9\u304c\u7279\u5fb4\u3067\u3059\u3002\u3055\u3089\u306b\u3001\u5b85\u5185\u306f\u30ce\u30a4\u30ba\u306b\u5f37\u3044\u540c\u8ef8\u30b1\u30fc\u30d6\u30eb\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u3001\u5b89\u5b9a\u3057\u305f\u901a\u4fe1\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">CATV\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u7269\u7406\u69cb\u6210<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5229\u7528\u306b\u306f <strong><span class=\"swl-marker mark_yellow\">\u30b1\u30fc\u30d6\u30eb\u30e2\u30c7\u30e0<\/span><\/strong> \u3068 <strong><span class=\"swl-marker mark_yellow\">\u6df7\u5408\u5206\u914d\u5668<\/span><\/strong> \u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>PC \u2194 \u30e2\u30c7\u30e0<\/strong>\uff1aRJ45\uff08LAN\u30b1\u30fc\u30d6\u30eb\uff09<\/li>\n\n\n\n<li><strong>\u30e2\u30c7\u30e0 \u2194 \u5206\u914d\u5668<\/strong>\uff1a\u540c\u8ef8\u30b1\u30fc\u30d6\u30eb<\/li>\n\n\n\n<li><strong>\u30c6\u30ec\u30d3 \u2194 \u30bb\u30c3\u30c8\u30c8\u30c3\u30d7\u30dc\u30c3\u30af\u30b9\uff08STB\uff09<\/strong>\uff1a\u540c\u8ef8\u30b1\u30fc\u30d6\u30eb<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">CATV\u306e\u5e79\u7dda\u90e8\u306f\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u3092\u4f7f\u7528\u3057\u3001\u5b85\u5185\u307e\u3067\u306f\u540c\u8ef8\u30b1\u30fc\u30d6\u30eb\u3067\u63a5\u7d9a\u3057\u307e\u3059\u3002\u3053\u306e\u69cb\u6210\u3092 <strong>HFC\uff08Hybrid Fiber Coaxial\uff09<\/strong> \u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PC\u304b\u3089\u9001\u4fe1\u3057\u305f\u30c7\u30fc\u30bf\u306f\u3001CATV\u5c40\u306b\u3042\u308b <strong>CMTS\uff08Cable Modem Termination System\uff09<\/strong> \u306b\u3088\u3063\u3066\u5909\u8abf\u30fb\u5fa9\u8abf\u3055\u308c\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u63a5\u7d9a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a66\u9a13\u3067\u306f\u300cADSL\uff1d\u30e1\u30bf\u30eb\u30b1\u30fc\u30d6\u30eb\u3001\u8ddd\u96e2\u304c\u91cd\u8981\u300d\u300cCATV\uff1d\u540c\u8ef8\uff0b\u5149\u306eHFC\u69cb\u6210\u3001\u8ddd\u96e2\u306e\u5f71\u97ff\u3092\u53d7\u3051\u306a\u3044\u300d\u3068\u3044\u3046\u5bfe\u6bd4\u304c\u554f\u308f\u308c\u3084\u3059\u3044\u306e\u3067\u6574\u7406\u3057\u3066\u899a\u3048\u3066\u304a\u304f\u3068\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\uff1aFTTH<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span class=\"swl-marker mark_yellow\">FTTH\uff08Fiber To The Home\uff09<\/span><\/strong>\u306f\u3001\u901a\u4fe1\u4e8b\u696d\u8005\u306e\u53ce\u5bb9\u5c40\u304b\u3089\u5229\u7528\u8005\u5b85\u307e\u3067\u306e\u533a\u9593\u3092\u76f4\u63a5\u5149\u30d5\u30a1\u30a4\u30d0\u3067\u63a5\u7d9a\u3059\u308b\u30a2\u30af\u30bb\u30b9\u56de\u7dda\u65b9\u5f0f\u3067\u3059\u3002\u9285\u7dda\u306eADSL\u3068\u7570\u306a\u308a\u3001\u30ce\u30a4\u30ba\u3084\u8ddd\u96e2\u306e\u5f71\u97ff\u3092\u53d7\u3051\u306b\u304f\u304f\u3001\u7406\u8ad6\u4e0a\u306f100Mbps\u304b\u30891Gbps\u3068\u3044\u3063\u305f\u9ad8\u901f\u306a\u5e38\u6642\u63a5\u7d9a\u30b5\u30fc\u30d3\u30b9\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u65e5\u672c\u3067\u306f2001\u5e74\u306bNTT\u304c\u300cB\u30d5\u30ec\u30c3\u30c4\u300d\u3068\u3057\u3066\u5546\u7528\u30b5\u30fc\u30d3\u30b9\u3092\u958b\u59cb\u3057\u305f\u306e\u304c\u666e\u53ca\u306e\u59cb\u307e\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3060\u3057\u3001\u5168\u56fd\u306e\u5168\u3066\u306e\u5bb6\u5ead\u306b\u5149\u30d5\u30a1\u30a4\u30d0\u3092\u5f15\u304d\u8fbc\u3080\u306b\u306f\u83ab\u5927\u306a\u30b3\u30b9\u30c8\u304c\u304b\u304b\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u5730\u65b9\u3067\u306f\u307e\u3060\u5b8c\u5168\u306b\u7f6e\u304d\u63db\u3048\u3089\u308c\u3066\u3044\u306a\u3044\u5730\u57df\u3082\u3042\u308a\u3001\u307e\u305a\u306f\u5171\u7528\u56de\u7dda\u90e8\u5206\u304b\u3089\u5149\u5316\u3092\u9032\u3081\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u300c\u5c40\u820e\u304b\u3089\u8857\u4e2d\u306e\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u307e\u3067\u3092\u5149\u5316\u300d\u3057\u305f\u65b9\u5f0f\u3092 <strong><span class=\"swl-marker mark_yellow\">FTTC\uff08Fiber To The Cabinet\uff09<\/span><\/strong> \u3068\u547c\u3073\u307e\u3059\u3002\u307e\u305f\u3001\u96c6\u5408\u4f4f\u5b85\u3084\u30aa\u30d5\u30a3\u30b9\u30d3\u30eb\u306a\u3069\u306b\u5149\u30d5\u30a1\u30a4\u30d0\u3092\u5f15\u304d\u8fbc\u307f\u3001\u5efa\u7269\u5185\u3067\u5404\u90e8\u5c4b\u306b\u5206\u914d\u3059\u308b\u65b9\u5f0f\u306f <strong><span class=\"swl-marker mark_yellow\">FTTB\uff08Fiber To The Building\uff09<\/span><\/strong> \u3068\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">FTTH\u306e\u63a5\u7d9a\u5f62\u614b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">FTTH\u306e\u30a2\u30af\u30bb\u30b9\u7db2\u306f\u5927\u304d\u304f\u300c\u5c02\u6709\u578b\u300d\u3068\u300c\u5171\u6709\u578b\u300d\u306b\u5206\u304b\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u63a5\u7d9a\u5f62\u614b<\/th><th>\u63a5\u7d9a\u65b9\u5f0f<\/th><th>\u7279\u5fb4<\/th><\/tr><\/thead><tbody><tr><td><strong>\u5c02\u6709\u578b\uff08SS\u65b9\u5f0f\uff09<\/strong><\/td><td>Single Star<\/td><td>\u52a0\u5165\u8005\u5b85\u3068\u5c40\u820e\u30921\u5bfe1\u3067\u76f4\u7d50\u3002\u9ad8\u54c1\u8cea\u3060\u304c\u30b3\u30b9\u30c8\u304c\u9ad8\u3044\u3002<\/td><\/tr><tr><td><strong>\u5171\u6709\u578b\uff08ADS\u65b9\u5f0f \/ AON\uff09<\/strong><\/td><td>Active Double Star<\/td><td>\u4e2d\u7d99\u5730\u70b9\u3067\u591a\u91cd\u5316\u88c5\u7f6e\u3092\u7528\u3044\u30011\u5bfeN\u3067\u63a5\u7d9a\u3002\u65e2\u5b58\u30e1\u30bf\u30eb\u7dda\u3092\u6d3b\u7528\u3067\u304d\u308b\u304c\u3001\u88c5\u7f6e\u306b\u96fb\u6e90\u304c\u5fc5\u8981\u3002\u307b\u3068\u3093\u3069\u4f7f\u308f\u308c\u306a\u3044\u3002<\/td><\/tr><tr><td><strong>\u5171\u6709\u578b\uff08PDS\u65b9\u5f0f \/ PON\uff09<\/strong><\/td><td>Passive Double Star<\/td><td>\u5149\u30b9\u30d7\u30ea\u30c3\u30bf\u3067\u4fe1\u53f7\u3092\u5206\u5c90\u3002\u88c5\u7f6e\u304c\u5b89\u4fa1\u3067\u7d66\u96fb\u3082\u4e0d\u8981\u3002\u73fe\u5728\u3082\u3063\u3068\u3082\u666e\u53ca\u3057\u3066\u3044\u308b\u65b9\u5f0f\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u3046\u3061\u4e3b\u6d41\u306f <strong>PON\uff08Passive Optical Network\uff09<\/strong> \u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">PON\u306e\u4ed5\u7d44\u307f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PON\u65b9\u5f0f\u3067\u306f\u3001\u6b21\u306e\u88c5\u7f6e\u30fb\u8981\u7d20\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u8981\u7d20<\/th><th>\u5f79\u5272<\/th><\/tr><\/thead><tbody><tr><td><strong>OLT\uff08Optical Line Terminal\uff09<\/strong><\/td><td>\u5c40\u820e\u306b\u8a2d\u7f6e\u3002\u96fb\u6c17\u4fe1\u53f7\u3068\u5149\u4fe1\u53f7\u3092\u76f8\u4e92\u5909\u63db\u3057\u3001\u52a0\u5165\u8005\u5b85\u306eONU\u3068\u3084\u308a\u53d6\u308a\u3059\u308b\u3002<\/td><\/tr><tr><td><strong>\u5149\u30b9\u30d7\u30ea\u30c3\u30bf<\/strong><\/td><td>OLT\u3068ONU\u306e\u9593\u306b\u8a2d\u7f6e\u3055\u308c\u30011\u672c\u306e\u5149\u30d5\u30a1\u30a4\u30d0\u3092\u8907\u6570\u306b\u5206\u5c90\u3002\u7d66\u96fb\u4e0d\u8981\u3002<\/td><\/tr><tr><td><strong>ONU\uff08Optical Network Unit\uff09<\/strong><\/td><td>\u52a0\u5165\u8005\u5b85\u306b\u8a2d\u7f6e\u3002PC\u3084\u30eb\u30fc\u30bf\u304b\u3089\u306e\u96fb\u6c17\u4fe1\u53f7\u3092\u5149\u306b\u5909\u63db\u3057\u3066\u9001\u4fe1\u3057\u3001\u53d7\u4fe1\u3057\u305f\u5149\u4fe1\u53f7\u3092\u96fb\u6c17\u4fe1\u53f7\u306b\u623b\u3059\u3002<\/td><\/tr><tr><td><strong>\u5149\u30d5\u30a1\u30a4\u30d0<\/strong><\/td><td>\u4fe1\u53f7\u3092\u4f1d\u9001\u3059\u308b\u5a92\u4f53\u3002ADSL\u306e\u3088\u3046\u306b\u8ddd\u96e2\u3084\u30ce\u30a4\u30ba\u306e\u5f71\u97ff\u3092\u307b\u3068\u3093\u3069\u53d7\u3051\u306a\u3044\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">PON\u3067\u4f7f\u308f\u308c\u308b3\u3064\u306e\u6280\u8853<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><span class=\"swl-marker mark_yellow\"><strong>TDM\uff08Time Division Multiplexing\uff09<\/strong><br><\/span>\u4e0b\u308a\u65b9\u5411\u3067\u4f7f\u7528\u3002OLT\u304b\u3089\u306e\u4fe1\u53f7\u3092\u6642\u9593\u3067\u533a\u5207\u308a\u3001\u8907\u6570\u52a0\u5165\u8005\u306b\u540c\u6642\u9001\u4fe1\u3059\u308b\u3002ONU\u5074\u306f\u81ea\u5206\u306e\u30c7\u30fc\u30bf\u3060\u3051\u3092\u53d6\u308a\u51fa\u3059\u3002<\/li>\n\n\n\n<li><span class=\"swl-marker mark_yellow\"><strong>TDMA\uff08Time Division Multiple Access\uff09<\/strong><br><\/span>\u4e0a\u308a\u65b9\u5411\u3067\u4f7f\u7528\u3002\u8907\u6570\u306eONU\u304c\u540c\u6642\u9001\u4fe1\u3059\u308b\u3068\u885d\u7a81\u3059\u308b\u305f\u3081\u3001\u9001\u4fe1\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u5236\u5fa1\u3057\u3001\u6642\u9593\u3092\u5206\u3051\u3066\u9001\u4fe1\u3059\u308b\u3002<\/li>\n\n\n\n<li><span class=\"swl-marker mark_yellow\"><strong>WDM\uff08Wavelength Division Multiplexing\uff09<\/strong><br><\/span>\u6ce2\u9577\u5206\u5272\u591a\u91cd\u30021\u672c\u306e\u5149\u30d5\u30a1\u30a4\u30d0\u3067\u4e0a\u4e0b\u65b9\u5411\u306e\u901a\u4fe1\u3092\u540c\u6642\u306b\u884c\u3048\u308b\u3088\u3046\u3001\u4e0a\u308a\u3068\u4e0b\u308a\u3067\u7570\u306a\u308b\u6ce2\u9577\u3092\u5272\u308a\u5f53\u3066\u308b\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">PON\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u30011\u672c\u306e\u5149\u30d5\u30a1\u30a4\u30d0\u3092\u6700\u592732\u5206\u5c90\u307e\u3067\u53ef\u80fd\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u591a\u6570\u306e\u52a0\u5165\u8005\u5b85\u3092\u52b9\u7387\u3088\u304f\u63a5\u7d9a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">GE-PON\uff08Gigabit Ethernet PON\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">PON\u6280\u8853\u306b\u30ae\u30ac\u30d3\u30c3\u30c8\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u3092\u53d6\u308a\u5165\u308c\u305f\u3082\u306e\u304c <strong><span class=\"swl-marker mark_yellow\">GE-PON<\/span><\/strong> \u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e0a\u308a\u30fb\u4e0b\u308a\u3068\u3082\u306b\u6700\u59271Gbps\uff08\u7406\u8ad6\u5024\uff09\u3092\u5b9f\u73fe<\/li>\n\n\n\n<li>IEEE 802.3ah\u3067\u6a19\u6e96\u5316\uff082004\u5e74\uff09<\/li>\n\n\n\n<li>\u65e5\u672c\u3067\u306fNTT\u306e\u300c\u30d5\u30ec\u30c3\u30c4\u5149\u30cd\u30af\u30b9\u30c8\u300d\u306a\u3069\u3067\u63a1\u7528<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a66\u9a13\u3067\u306f\u300cPON\uff1d\u5149\u30b9\u30d7\u30ea\u30c3\u30bf\u3067\u5206\u5c90\u3001\u96fb\u6e90\u4e0d\u8981\u300d\u300cGE-PON\uff1d1Gbps\u3092\u5b9f\u73fe\u3001IEEE 802.3ah\u898f\u683c\u300d\u3068\u3044\u3063\u305f\u30ad\u30fc\u30ef\u30fc\u30c9\u304c\u3088\u304f\u554f\u308f\u308c\u308b\u305f\u3081\u3001\u6574\u7406\u3057\u3066\u899a\u3048\u3066\u304a\u304f\u3068\u6709\u52b9\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">IX\uff08Internet Exchange\uff09\u3068\u306f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><span class=\"swl-marker mark_yellow\">IX\uff08\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30a8\u30af\u30b9\u30c1\u30a7\u30f3\u30b8\uff09<\/span><\/strong>\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u76f8\u4e92\u63a5\u7d9a\u70b9\u3092\u610f\u5473\u3059\u308b\u8a00\u8449\u3067\u3059\u3002\u7c21\u5358\u306b\u8a00\u3048\u3070\u3001\u8907\u6570\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e8b\u696d\u8005\uff08ISP\uff09\u3084\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\uff08IDC\uff09\u304c\u96c6\u307e\u308a\u3001\u76f8\u4e92\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u3064\u306a\u3050\u305f\u3081\u306e\u5834\u6240\u3084\u4ed5\u7d44\u307f\u306e\u3053\u3068\u3067\u3059\u3002\u65e5\u672c\u8a9e\u3067\u306f\u300c\u30a2\u30a4\u30a8\u30c3\u30af\u30b9\u300d\u3068\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3082\u3057IX\u304c\u5b58\u5728\u3057\u306a\u3051\u308c\u3070\u3001\u7570\u306a\u308bISP\u540c\u58eb\u304c\u901a\u4fe1\u3059\u308b\u305f\u3081\u306b\u500b\u5225\u306b\u56de\u7dda\u3092\u5f15\u304b\u306a\u3051\u308c\u3070\u306a\u3089\u305a\u3001\u975e\u5e38\u306b\u975e\u52b9\u7387\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u5404\u4e8b\u696d\u8005\u304cIX\u306b\u3060\u3051\u63a5\u7d9a\u3059\u308c\u3070\u3001\u305d\u3053\u3092\u4ecb\u3057\u3066\u4ed6\u306e\u4e8b\u696d\u8005\u3068\u3082\u3064\u306a\u304c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3064\u307e\u308a\u3001IX\u306f\u300cISP\u540c\u58eb\u3092\u3064\u306a\u3050\u30cf\u30d6\u7a7a\u6e2f\u300d\u306e\u3088\u3046\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">IX\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001ISP\u306f\u76f8\u4e92\u306b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u76f4\u63a5\u3084\u308a\u53d6\u308a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u4e0a\u4f4d\u306e\u30c8\u30e9\u30f3\u30b8\u30c3\u30c8\u56de\u7dda\u3092\u7d4c\u7531\u3059\u308b\u5fc5\u8981\u304c\u6e1b\u308a\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u30b3\u30b9\u30c8\u524a\u6e1b\u3084\u969c\u5bb3\u306e\u5f71\u97ff\u3092\u907f\u3051\u3084\u3059\u304f\u306a\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30d4\u30a2\u30ea\u30f3\u30b0\u3068\u30c8\u30e9\u30f3\u30b8\u30c3\u30c8<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IX\u306b\u95a2\u9023\u3059\u308b\u91cd\u8981\u306a\u7528\u8a9e\u3068\u3057\u3066 <span class=\"swl-marker mark_yellow\"><strong>\u30d4\u30a2\u30ea\u30f3\u30b0<\/strong> <\/span>\u3068 <strong><span class=\"swl-marker mark_yellow\">\u30c8\u30e9\u30f3\u30b8\u30c3\u30c8<\/span><\/strong> \u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u7528\u8a9e<\/th><th>\u8aac\u660e<\/th><\/tr><\/thead><tbody><tr><td><strong>\u30d4\u30a2\u30ea\u30f3\u30b0<\/strong><\/td><td>ISP\u540c\u58eb\u304c\u76f4\u63a5BGP\u3067\u7d4c\u8def\u60c5\u5831\u3092\u4ea4\u63db\u3057\u3001\u76f8\u4e92\u306b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u3084\u308a\u53d6\u308a\u3059\u308b\u3053\u3068\u3002\u4e92\u3044\u306b\u5229\u76ca\u304c\u3042\u308b\u305f\u3081\u3001\u57fa\u672c\u7684\u306b\u7121\u511f\u3002<\/td><\/tr><tr><td><strong>\u30c8\u30e9\u30f3\u30b8\u30c3\u30c8<\/strong><\/td><td>\u3042\u308bISP\uff08AS\uff09\u304c\u5225\u306eISP\u306b\u300c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5168\u4f53\u3078\u306e\u63a5\u7d9a\u6027\u300d\u3092\u6709\u511f\u3067\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3002\u5229\u7528\u91cf\u306b\u5fdc\u3058\u3066\u30b3\u30b9\u30c8\u304c\u5897\u3048\u308b\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p 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