{"id":2641,"date":"2026-04-01T01:53:20","date_gmt":"2026-04-01T01:53:20","guid":{"rendered":"https:\/\/www.fuyao-quartz.com\/?p=2641"},"modified":"2026-04-02T06:53:43","modified_gmt":"2026-04-02T06:53:43","slug":"g-652-d-g-657-a1-%e3%81%a8-g-657-a2-%e3%82%b7%e3%83%b3%e3%82%b0%e3%83%ab%e3%83%a2%e3%83%bc%e3%83%89%e3%83%bb%e3%83%95%e3%82%a1%e3%82%a4%e3%83%90%e3%83%bc%e3%81%ae%e9%81%95%e3%81%84%e3%81%af%e4%bd%95","status":"publish","type":"post","link":"https:\/\/www.fuyao-quartz.com\/ja\/what-is-the-difference-between-g-652-d-g-657-a1-and-g-657-a2-singlemode-fiber\/","title":{"rendered":"G.652.D\u3001G.657.A1\u3001G.657.A2\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u30fb\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f"},"content":{"rendered":"

\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u306f\u3001\u73fe\u4ee3\u306e\u96fb\u6c17\u901a\u4fe1\u304a\u3088\u3073\u30c7\u30fc\u30bf\u4f1d\u9001\u30b7\u30b9\u30c6\u30e0\u306e\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u3067\u3059\u3002\u591a\u304f\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u30fb\u30d5\u30a1\u30a4\u30d0\u30fc\u3092\u6a19\u6e96\u7684\u306a9\/125\u03bcm\u306e\u30b3\u30a2\/\u30af\u30e9\u30c3\u30c9\u69cb\u9020\u3068\u7d50\u3073\u4ed8\u3051\u3066\u3044\u307e\u3059\u304c\u3001\u30d5\u30a1\u30a4\u30d0\u30fc\u898f\u683c\u306b\u3088\u3063\u3066\u6027\u80fd\u7279\u6027\u306f\u5927\u304d\u304f\u7570\u306a\u308a\u307e\u3059\u3002\u6700\u3082\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u306e\u306f\u3001G.652.D\u3001G.657.A1\u3001G.657.A2\u3067\u3001\u305d\u308c\u305e\u308c\u56fd\u969b\u96fb\u6c17\u901a\u4fe1\u9023\u5408\uff08ITU-T\uff09\u306b\u3088\u3063\u3066\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n

\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u7e4a\u7dad\u306e\u7a2e\u985e\u3092\u5c02\u9580\u7684\u304b\u3064\u5206\u304b\u308a\u3084\u3059\u304f\u6bd4\u8f03\u3057\u3001\u7279\u306b\u4ee5\u4e0b\u306e\u7406\u7531\u306b\u7126\u70b9\u3092\u5f53\u3066\u308b\u3002 G.657.A2\u66f2\u3052\u306b\u5f31\u3044\u30d5\u30a1\u30a4\u30d0\u30fc<\/a> \u306f\u3001\u9ad8\u5bc6\u5ea6\u3067\u5236\u7d04\u306e\u591a\u3044\u8a2d\u5099\u306b\u9069\u3057\u305f\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u306a\u308a\u3064\u3064\u3042\u308b\u3002.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

1.\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u30fb\u30d5\u30a1\u30a4\u30d0\u30fc\u898f\u683c\u306e\u57fa\u790e<\/h2>\n\n\n\n

ITU-T\u52e7\u544a\u306f\u3001\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u306e\u6027\u80fd\u3092\u4ee5\u4e0b\u306e\u89b3\u70b9\u304b\u3089\u5b9a\u7fa9\u3057\u3066\u3044\u308b\uff1a<\/p>\n\n\n\n

    \n
  • \u5e7e\u4f55\u5b66\u7684\u7279\u6027<\/strong> (\u30b3\u30a2\/\u30af\u30e9\u30c3\u30c9\u5f84\uff09<\/li>\n\n\n\n
  • \u4f1d\u9001\u7279\u6027<\/strong> (\u6e1b\u8870\u3001\u5206\u6563\uff09<\/li>\n\n\n\n
  • \u6a5f\u68b0\u7684\u4fe1\u983c\u6027<\/strong><\/li>\n\n\n\n
  • \u66f2\u3052\u6027\u80fd<\/strong><\/li>\n<\/ul>\n\n\n\n

    G.652.D\u3001G.657.A1\u3001G.657.A2 \u306e 3 \u7a2e\u985e\u306e\u30d5\u30a1\u30a4\u30d0\u30fc\u306f\u3001\u3059\u3079\u3066\u7269\u7406\u7684\u5bf8\u6cd5\u304c\u540c\u3058\u3067\u3059\uff1a<\/p>\n\n\n\n

      \n
    • \u30b3\u30a2\u5f84\uff1a\uff5e9\u03bcm<\/li>\n\n\n\n
    • \u30af\u30e9\u30c3\u30c9\u5f84\uff1a125\u03bcm<\/li>\n<\/ul>\n\n\n\n

      \u3053\u308c\u306b\u3088\u308a\u3001\u30b9\u30d7\u30e9\u30a4\u30b7\u30f3\u30b0\u3068\u30b3\u30cd\u30af\u30bf\u30fc\u5316\u306b\u304a\u3051\u308b\u5b8c\u5168\u306a\u4e92\u63db\u6027\u304c\u4fdd\u8a3c\u3055\u308c\u3001\u307b\u3068\u3093\u3069\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u4e92\u63db\u6027\u306e\u3042\u308b\u914d\u5099\u304c\u53ef\u80fd\u306b\u306a\u308b\u3002.<\/p>\n\n\n\n

      \"\"<\/figure>\n\n\n\n

      2.G.652.D\uff1a\u5f93\u6765\u306e\u898f\u683c<\/h2>\n\n\n\n

      G.652.D\u306f\u3001\u6700\u3082\u5e83\u304f\u666e\u53ca\u3057\u3066\u3044\u308b\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u30fb\u30d5\u30a1\u30a4\u30d0\u30fc\u898f\u683c\u3067\u3042\u308a\u3001\u9577\u8ddd\u96e2\u304a\u3088\u3073\u30e1\u30c8\u30ed\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u3068\u306a\u3063\u3066\u3044\u308b\u3002.<\/p>\n\n\n\n

      \u4e3b\u306a\u7279\u5fb4<\/h3>\n\n\n\n
        \n
      • 1310 nm\u304a\u3088\u30731550 nm\u306e\u900f\u904e\u7a93\u7528\u306b\u6700\u9069\u5316<\/li>\n\n\n\n
      • \u4f4e\u6e1b\u8870\u3068\u4f4e\u5206\u6563<\/li>\n\n\n\n
      • CWDM\/DWDM\u306a\u3069\u306e\u5148\u9032\u6280\u8853\u306b\u5bfe\u5fdc<\/li>\n\n\n\n
      • \u6700\u5c0f\u66f2\u3052\u534a\u5f84\uff1a\uff5e30 mm<\/li>\n<\/ul>\n\n\n\n

        \u5236\u9650\uff1a<\/h3>\n\n\n\n

        G.652.D\u306f\u4f1d\u9001\u306b\u512a\u308c\u3066\u3044\u308b\u304c\u3001\u66f2\u3052\u640d\u5931\u306e\u5f71\u97ff\u3092\u53d7\u3051\u3084\u3059\u3044\u305f\u3081\u3001\u3042\u307e\u308a\u9069\u3057\u3066\u3044\u306a\u3044\uff1a<\/p>\n\n\n\n

          \n
        • \u30bf\u30a4\u30c8\u306a\u30b1\u30fc\u30d6\u30eb\u30fb\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/li>\n\n\n\n
        • \u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u7528\u30d1\u30c3\u30c1\u30d1\u30cd\u30eb<\/li>\n\n\n\n
        • \u9ad8\u5bc6\u5ea6\u30e9\u30c3\u30af<\/li>\n<\/ul>\n\n\n\n

          3.G.657 \u898f\u683c\uff1a\u66f2\u3052\u306b\u5f37\u3044\u30d5\u30a1\u30a4\u30d0\u30fc<\/h2>\n\n\n\n

          \u6700\u65b0\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3051\u308b\u8a2d\u7f6e\u306e\u8ab2\u984c\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u3001ITU\u306fG.657\u3092\u5c0e\u5165\u3057\u305f\u3002.<\/p>\n\n\n\n

          \u5206\u985e<\/h3>\n\n\n\n
            \n
          • \u30ab\u30c6\u30b4\u30ea\u30fcA\uff08G.657.A1\u3001G.657.A2\uff09\uff1aG.652.D\u3068\u306e\u4e0b\u4f4d\u4e92\u63db\u6027<\/li>\n\n\n\n
          • \u30ab\u30c6\u30b4\u30ea\u30fcB\uff08G.657.B2\u3001B3\uff09<\/strong>:\u8d85\u30bf\u30a4\u30c8\u306a\u66f2\u3052\u52a0\u5de5\u3060\u304c\u3001\u4e92\u63db\u6027\u306f\u4f4e\u3044<\/li>\n<\/ul>\n\n\n\n

            \u5b9f\u969b\u306e\u914d\u5099\u3067\u306f, \u30ab\u30c6\u30b4\u30ea\u30fcA\u7e4a\u7dad\u304c\u512a\u52e2<\/strong>, \u7279\u306bA1\u3068A2\u3060\u3002.<\/p>\n\n\n\n

            4.G.657.A1 vs G.652.D<\/h2>\n\n\n\n

            G.657.A1\u306f\u3001\u4e3b\u306b\u66f2\u3052\u6027\u80fd\u306b\u304a\u3044\u3066G.652.D\u3092\u4e0a\u56de\u308b\u3002.<\/p>\n\n\n\n

            \u30d1\u30e9\u30e1\u30fc\u30bf<\/th>G.652.D<\/th>G.657.A1<\/th><\/tr><\/thead>
            \u66f2\u3052\u534a\u5f84<\/td>~30mm<\/td>~10mm<\/td><\/tr>
            \u4e92\u63db\u6027<\/td>\u2014<\/td>G.652.D\u3068\u5b8c\u5168\u4e92\u63db<\/td><\/tr>
            \u7533\u3057\u8fbc\u307f<\/td>\u9577\u8ddd\u96e2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/td>\u30a2\u30af\u30bb\u30b9\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u4e2d\u7a0b\u5ea6\u306e\u5bc6\u5ea6<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

            \u6d1e\u5bdf\u529b\u3060\uff1a<\/h3>\n\n\n\n

            G.657.A1\u3067\u306f\u66f2\u3052\u8010\u6027\u304c3\u500d\u5411\u4e0a\u3057\u3001\u5236\u7d04\u306e\u591a\u3044\u74b0\u5883\u3067\u306e\u4fe1\u53f7\u640d\u5931\u304c\u5927\u5e45\u306b\u524a\u6e1b\u3055\u308c\u308b\u3002.<\/p>\n\n\n\n

            5.G.657.A2: \u9ad8\u5ea6\u306a\u5c48\u66f2\u4e0d\u611f\u75c7<\/h2>\n\n\n\n

            G.657.A2\u306f\u3055\u3089\u306a\u308b\u9032\u5316\u3092\u9042\u3052\u3001\u4f1d\u9001\u6027\u80fd\u3092\u72a0\u7272\u306b\u3059\u308b\u3053\u3068\u306a\u304f\u512a\u308c\u305f\u67d4\u8edf\u6027\u3092\u63d0\u4f9b\u3059\u308b\u3002.<\/p>\n\n\n\n

            \u30d1\u30e9\u30e1\u30fc\u30bf<\/th>G.657.A1<\/th>G.657.A2<\/th><\/tr><\/thead>
            \u6700\u5c0f\u66f2\u3052\u534a\u5f84<\/td>10 mm<\/td>7.5 mm<\/strong><\/td><\/tr>
            \u4e92\u63db\u6027<\/td>G.652.D<\/td>G.652.D<\/td><\/tr>
            \u5178\u578b\u7684\u306a\u4f7f\u7528\u4f8b<\/td>\u30a2\u30af\u30bb\u30b9\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/td>\u9ad8\u5bc6\u5ea6\u3067\u72ed\u3044\u30b9\u30da\u30fc\u30b9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

            \u6280\u8853\u7684\u306a\u5229\u70b9\uff1a<\/h3>\n\n\n\n
              \n
            • \u5f37\u5316\u3055\u308c\u305f \u8010\u30de\u30af\u30ed\u66f2\u3052\u640d\u5931<\/strong><\/li>\n\n\n\n
            • \u306e\u4e0b\u3067\u3082\u5b89\u5b9a\u3057\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u767a\u63ee\u3059\u308b\u3002 \u30bf\u30a4\u30c8\u306a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u6761\u4ef6<\/strong><\/li>\n\n\n\n
            • \u3053\u3093\u306a\u65b9\u306b\u6700\u9069 \u534a\u5f84\u306e\u77ed\u3044\u30b1\u30fc\u30d6\u30eb\u30de\u30cd\u30b8\u30e1\u30f3\u30c8\u306e\u30b7\u30ca\u30ea\u30aa<\/strong><\/li>\n<\/ul>\n\n\n\n

              6.\u6700\u65b0\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067G.657.A2\u304c\u597d\u307e\u308c\u308b\u7406\u7531<\/h2>\n\n\n\n

              \u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u3001FTTH\uff08Fiber-to-the-Home\uff09\u30015G\u30a4\u30f3\u30d5\u30e9\u306e\u6025\u901f\u306a\u767a\u5c55\u306b\u4f34\u3044\u3001\u8a2d\u7f6e\u74b0\u5883\u306f\u307e\u3059\u307e\u3059\u30b3\u30f3\u30d1\u30af\u30c8\u306b\u306a\u3063\u3066\u3044\u308b\u3002.<\/p>\n\n\n\n

              G.657.A2\u306e\u4e3b\u306a\u5229\u70b9\uff1a<\/h3>\n\n\n\n

              1.\u8d85\u30bf\u30a4\u30c8\u306a\u66f2\u3052\u534a\u5f84<\/h4>\n\n\n\n

              \u6700\u5c0f\u66f2\u3052\u534a\u5f84\u306f7.5mm\u3067\u3001\u6975\u3081\u3066\u72ed\u3044\u30b9\u30da\u30fc\u30b9\u3067\u3082\u4fe1\u53f7\u306e\u5927\u5e45\u306a\u52a3\u5316\u306a\u3057\u306b\u914d\u7dda\u3067\u304d\u308b\u3002.<\/p>\n\n\n\n

              2.\u9ad8\u5bc6\u5ea6\u74b0\u5883\u306b\u304a\u3051\u308b\u9ad8\u3044\u4fe1\u983c\u6027<\/h4>\n\n\n\n

              \u633f\u5165\u640d\u5931\u304c\u4f4e\u3044\uff1a<\/p>\n\n\n\n

                \n
              • \u30d1\u30c3\u30c1\u30d1\u30cd\u30eb<\/li>\n\n\n\n
              • \u30b5\u30fc\u30d0\u30fc\u30e9\u30c3\u30af<\/li>\n\n\n\n
              • \u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u30fc<\/li>\n<\/ul>\n\n\n\n

                3.\u5b8c\u5168\u306a\u4e0b\u4f4d\u4e92\u63db\u6027<\/h4>\n\n\n\n

                \u65e2\u5b58\u306eG.652.D\u30a4\u30f3\u30d5\u30e9\u3068\u30b7\u30fc\u30e0\u30ec\u30b9\u306b\u7d71\u5408\u3067\u304d\u308b\u305f\u3081\u3001\u30b3\u30b9\u30c8\u52b9\u7387\u306e\u9ad8\u3044\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u304c\u53ef\u80fd\u3002.<\/p>\n\n\n\n

                4.\u8a2d\u7f6e\u30ea\u30b9\u30af\u306e\u4f4e\u6e1b<\/h4>\n\n\n\n

                \u30a4\u30f3\u30b9\u30c8\u30fc\u30e9\u30fc\u306e\u6271\u3044\u306b\u654f\u611f\u3067\u306a\u304f\u306a\u308b\uff1a<\/p>\n\n\n\n

                  \n
                • \u30de\u30a4\u30af\u30ed\u66f2\u3052\u640d\u5931<\/li>\n\n\n\n
                • \u9577\u671f\u6545\u969c\u7387<\/li>\n<\/ul>\n\n\n\n

                  7.\u4ee3\u8868\u7684\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/h2>\n\n\n\n

                  G.657.A2\u66f2\u3052\u306b\u5f37\u3044\u30d5\u30a1\u30a4\u30d0\u30fc\u306f\u3001\u7279\u306b\u4ee5\u4e0b\u306e\u7528\u9014\u306b\u9069\u3057\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n

                    \n
                  • \u9ad8\u5bc6\u5ea6\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc<\/li>\n\n\n\n
                  • FTTx\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08\u7279\u306b\u5c4b\u5185\u914d\u7dda\uff09<\/li>\n\n\n\n
                  • \u901a\u4fe1\u30ad\u30e3\u30d3\u30cd\u30c3\u30c8\u304a\u3088\u3073\u30af\u30ed\u30fc\u30b8\u30e3<\/li>\n\n\n\n
                  • \u8907\u6570\u306e\u5c48\u66f2\u90e8\u3092\u6301\u3064\u8907\u96d1\u306a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u74b0\u5883<\/li>\n<\/ul>\n\n\n\n

                    8.\u88fd\u54c1\u306e\u63a8\u5968G.657.A2 \u66f2\u3052\u306b\u920d\u611f\u306a\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0\u30fc<\/h2>\n\n\n\n

                    \u306e\u4e21\u65b9\u3092\u5fc5\u8981\u3068\u3059\u308b\u73fe\u4ee3\u306e\u5149\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f \u6027\u80fd\u3068\u67d4\u8edf\u6027<\/strong>, \u79c1\u305f\u3061\u306e G.657.A2 \u66f2\u3052\u306b\u920d\u611f\u306a\u30b7\u30f3\u30b0\u30eb\u30e2\u30fc\u30c9\u5149\u30d5\u30a1\u30a4\u30d0<\/strong> \u304c\u6700\u9069\u89e3\u3092\u63d0\u4f9b\u3059\u308b\u3002.<\/p>\n\n\n\n

                    \u4e3b\u306a\u7279\u5fb4<\/h3>\n\n\n\n
                      \n
                    • ITU-T G.657.A2\u304a\u3088\u3073G.652.D\u6e96\u62e0<\/li>\n\n\n\n
                    • \u6700\u5c0f\u66f2\u3052\u534a\u5f84\uff1a 7.5 mm<\/strong><\/li>\n\n\n\n
                    • \u4f4e\u6e1b\u8870\u3068\u633f\u5165\u640d\u5931<\/li>\n\n\n\n
                    • \u306b\u6700\u9069\u5316\u3055\u308c\u3066\u3044\u308b\u3002 1310 \/ 1550 nm\u900f\u904e<\/strong><\/li>\n\n\n\n
                    • \u6a19\u6e96\u30b3\u30cd\u30af\u30bf\uff08LC\u3001SC\u3001FC\u3001APC\/UPC\uff09\u306b\u5bfe\u5fdc<\/li>\n<\/ul>\n\n\n\n

                      \u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306e\u4fa1\u5024\uff1a<\/h3>\n\n\n\n

                      G.657.A2\u30d5\u30a1\u30a4\u30d0\u30fc\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u8a08\u8005\u306f\u6b21\u306e\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308b\uff1a<\/p>\n\n\n\n

                        \n
                      • \u6027\u80fd\u3092\u640d\u306a\u3046\u3053\u3068\u306a\u304f\u30b1\u30fc\u30d6\u30eb\u5bc6\u5ea6\u3092\u5411\u4e0a<\/li>\n\n\n\n
                      • \u5236\u7d04\u306e\u3042\u308b\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u306e\u8a2d\u7f6e\u306e\u7c21\u7d20\u5316<\/li>\n\n\n\n
                      • \u9577\u671f\u7684\u306a\u30b7\u30b9\u30c6\u30e0\u306e\u5b89\u5b9a\u6027\u306e\u5411\u4e0a<\/li>\n<\/ul>\n\n\n\n

                        9.\u7d50\u8ad6<\/h2>\n\n\n\n

                        G.652.D\u304c\u5f93\u6765\u306e\u5c0e\u5165\u306b\u304a\u3051\u308b\u696d\u754c\u6a19\u6e96\u3067\u3042\u308b\u4e00\u65b9\u3001G.657.A1\u304a\u3088\u3073G.657.A2\u306f\u6700\u65b0\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u74b0\u5883\u306b\u304a\u3051\u308b\u67d4\u8edf\u6027\u306e\u30cb\u30fc\u30ba\u306e\u9ad8\u307e\u308a\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002.<\/p>\n\n\n\n

                        \u305d\u306e\u4e2d\u3067\u3082G.657.A2\u306f\u3001\u6700\u3082\u6c4e\u7528\u6027\u304c\u9ad8\u304f\u3001\u5c06\u6765\u6027\u306e\u3042\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u3057\u3066\u969b\u7acb\u3063\u3066\u3044\u308b\uff1a<\/p>\n\n\n\n

                          \n
                        • \u53b3\u3057\u3044\u66f2\u3052\u516c\u5dee<\/li>\n\n\n\n
                        • \u5b8c\u5168\u306a\u4e92\u63db\u6027<\/li>\n\n\n\n
                        • \u9ad8\u3044\u4f1d\u9001\u6027\u80fd<\/li>\n<\/ul>\n\n\n\n

                          \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30fb\u30a4\u30f3\u30d5\u30e9\u304c\u3088\u308a\u9ad8\u5bc6\u5ea6\u3067\u8907\u96d1\u306a\u3082\u306e\u3078\u3068\u9032\u5316\u3057\u7d9a\u3051\u308b\u4e2d\u3001G.657.A2\u66f2\u3052\u306b\u5f37\u3044\u30d5\u30a1\u30a4\u30d0\u30fc\u306f\u3082\u306f\u3084\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u306f\u306a\u304f\u3001\u4e0d\u53ef\u6b20\u306a\u3082\u306e\u306b\u306a\u308a\u3064\u3064\u3042\u308a\u307e\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"

                          Singlemode optical fiber is the backbone of modern telecommunications and data transmission systems. While many engineers associate singlemode fiber with the standard 9\/125 \u03bcm core\/cladding structure, the performance characteristics vary significantly depending on the fiber standard. Among the most widely used are G.652.D, G.657.A1, and G.657.A2, each defined by the International Telecommunication Union (ITU-T). This […]<\/p>\n","protected":false},"author":1,"featured_media":2642,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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