{"id":4038,"date":"2026-10-12T09:35:37","date_gmt":"2026-10-12T09:35:37","guid":{"rendered":"https:\/\/firstfibertech.com\/?p=4038"},"modified":"2026-10-28T10:58:43","modified_gmt":"2026-10-28T10:58:43","slug":"%e5%9c%a810g-pon%e4%b8%8e%e4%bc%a0%e7%bb%9fgpon%e7%bd%91%e7%bb%9c%e5%85%b1%e5%ad%98%e7%9a%84%e6%83%85%e5%86%b5%e4%b8%8b%ef%bc%8c1650-nm%e6%b3%a2%e9%95%bf%e5%9c%a8%e8%bf%90%e8%90%a5%e7%8a%b6%e6%80%81ot","status":"publish","type":"post","link":"https:\/\/firstfibertech.com\/zh\/blog\/challenges-of-1650-nm-in-service-otdr-testing-for-co-existing-10g-pon-and-legacy-gpon-networks\/","title":{"rendered":"\u572810G-PON\u4e0e\u4f20\u7edfGPON\u7f51\u7edc\u5171\u5b58\u73af\u5883\u4e0b\uff0c1650 nm\u6ce2\u957f\u5728\u7ebfOTDR\u6d4b\u8bd5\u9762\u4e34\u7684\u6311\u6218"},"content":{"rendered":"

\u6458\u8981<\/h2>\n\n\n\n

\u5bf9\u4e8e\u5728\u73b0\u6709GPON\u7528\u6237\u7f51\u7edc\u65c1\u90e8\u7f7210G-PON\u7684\u8fd0\u8425\u5546\u800c\u8a00\uff0c\u5149\u7ea4\u5728\u7f51\u8bca\u65ad\u81f3\u5173\u91cd\u8981\u3002 \u5f53\u5149\u7ea4\u4f20\u8f931490 nm\u7684\u5b9e\u65f6\u4e0b\u884c\u4fe1\u53f7\u65f6\uff0c\u4f20\u7edf\u76841625 nm\u5e26\u5916OTDR\u6d4b\u91cf\u901a\u5e38\u4f1a\u53d7\u5230\u62c9\u66fc\u566a\u58f0\u548c\u6ee4\u6ce2\u5668\u4e32\u6270\u7684\u5f71\u54cd\uff0c\u4ece\u800c\u4ea7\u751f\u566a\u58f0\u8f83\u5927\u7684\u6ce2\u5f62\u56fe\u548c\u4f2a\u53cd\u5c04\u4e8b\u4ef6\u3002 \u672c\u6587\u63a2\u8ba8\u4e86\u5728\u6df7\u5408\u4ee3PON\u7f51\u7edc\u4e2d1625 nm\u63a2\u6d4b\u6ce2\u957f\u7684\u7269\u7406\u9650\u5236\uff0c\u5206\u6790\u4e86\u91c7\u75281650 nm\u4f5c\u4e3a\u66ff\u4ee3\u6d4b\u8bd5\u6ce2\u6bb5\u7684\u57fa\u672c\u5149\u5b66\u6743\u8861\uff0c\u5e76\u603b\u7ed3\u4e86\u5728\u5927\u89c4\u6a21\u73b0\u7f51\u73b0\u573a\u8bd5\u9a8c\u4e2d\u89c2\u5bdf\u5230\u7684\u5b9e\u9645\u8fd0\u8425\u9650\u5236\u3002 \u672c\u6587\u7684\u8ba8\u8bba\u4e3a\u5236\u5b9aNG-PON2\u53ca\u672a\u6765\u591a\u6ce2\u957f\u5149\u7ea4\u63a5\u5165\u90e8\u7f72\u7684\u6d4b\u8bd5\u8981\u6c42\u63d0\u4f9b\u4e86\u6307\u5bfc\u3002<\/p>\n\n\n\n

1. \u5f15\u8a00<\/h2>\n\n\n\n

\u5149\u7ea4\u63a5\u5165\u57fa\u7840\u8bbe\u65bd\u901a\u5e38\u652f\u6301\u5355\u6839\u7269\u7406\u5149\u7ea4\u4e0a\u8fd0\u884c\u591a\u79cdPON\u6807\u51c6\u3002\u5f53\u8fd0\u8425\u5546\u90e8\u7f72XGS-PON\uff0810G-PON\uff09\u65f6\uff0c\u73b0\u6709\u7684GPON\u670d\u52a1\u5fc5\u987b\u4fdd\u6301\u8fd0\u884c\uff0c\u8fd9\u610f\u5473\u7740\u8be5\u5149\u7ea4\u5728\u4f20\u8f93\u65b0\u768410G-PON\u6ce2\u957f\u4fe1\u9053\u7684\u540c\u65f6\uff0c\u8fd8\u9700\u5e76\u884c\u4f20\u8f931490 nm\u4e0b\u884cGPON\u4fe1\u53f7\u3002 \u56e0\u6b64\uff0c\u6545\u969c\u5b9a\u4f4d\u548c\u94fe\u8def\u9a8c\u8bc1\u5fc5\u987b\u4f9d\u8d56\u4e8e\u5e26\u5916\u6d4b\u8bd5\u6ce2\u957f\uff0c\u4ee5\u514d\u4e2d\u65ad\u7528\u6237\u5b9e\u65f6\u6d41\u91cf\u3002<\/p>\n\n\n\n

1625 nm\u6ce2\u6bb5\u957f\u671f\u4ee5\u6765\u4e00\u76f4\u88ab\u7528\u4e8eGPON\u7684\u73b0\u573a\u7ef4\u62a4\u3002 \u7136\u800c\uff0c\u5f53\u8be5\u63a2\u5934\u6ce2\u957f\u4e0e\u9ad8\u529f\u7387\u7684 1490 nm \u4e0b\u884c\u6d41\u91cf\u5171\u7528\u5149\u7ea4\u65f6\uff0c\u4f1a\u51fa\u73b0\u4e24\u79cd\u4fe1\u53f7\u9000\u5316\u673a\u5236\uff1a\u670d\u52a1\u6ce2\u957f\u901a\u8fc7 WDM \u6ee4\u6ce2\u5668\u7aef\u53e3\u4ea7\u751f\u7684\u6b8b\u4f59\u6cc4\u6f0f\uff0c\u4ee5\u53ca\u5e26\u5185\u5149\u4fe1\u53f7\u5f15\u8d77\u7684\u62c9\u66fc\u6563\u5c04\u3002 \u8fd9\u4e24\u79cd\u60c5\u51b5\u90fd\u4f1a\u4ea7\u751f\u6d4b\u91cf\u4f2a\u5f71\uff0c\u5305\u62ec\u8ff9\u7ebf\u566a\u58f0\u5347\u9ad8\u548c\u9b3c\u5f71\u4e8b\u4ef6\uff0c\u4ece\u800c\u964d\u4f4e\u4e86\u5b9a\u4f4d\u5149\u7ea4\u7194\u63a5\u70b9\u3001\u8fde\u63a5\u5668\u53ca\u65e0\u6e90\u5206\u8def\u5668\u7aef\u53e3\u7684\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

\u4e3a\u4e86\u4e0e\u6240\u6709\u6709\u6e90PON\u4fe1\u53f7\u5e26\u5b9e\u73b0\u66f4\u5927\u7684\u9891\u8c31\u5206\u79bb\uff0c\u4e00\u4e9b\u7f51\u7edc\u89c4\u5212\u4eba\u5458\u5c061650 nm\u786e\u5b9a\u4e3a\u4e00\u79cd\u5019\u9009\u7684\u5e26\u5916\u6d4b\u8bd5\u6ce2\u957f\u3002 \u5728 1650 nm \u6ce2\u957f\u4e0b\uff0c\u65e2\u80fd\u4e3a 1270 nm\u30011490 nm \u548c 1577 nm \u7684\u4e1a\u52a1\u4fdd\u6301\u8db3\u591f\u7684\u4fdd\u62a4\u5e26\u9694\u79bb\u5ea6\uff0c\u8be5\u6ce2\u6bb5\u53c8\u4e0e\u901a\u8fc7\u6700\u9ad8 1:64 \u9ad8\u5206\u8def\u6bd4\u5206\u8def\u5668\u7684\u6d4b\u91cf\u4fdd\u6301\u517c\u5bb9\u3002 \u5c3d\u7ba1\u5982\u6b64\uff0c\u5c06\u6d4b\u8bd5\u64cd\u4f5c\u8f6c\u79fb\u5230 1650 nm \u4f1a\u5e26\u6765\u56fa\u6709\u7684\u5149\u635f\u8017\uff0c\u5fc5\u987b\u5728\u7ecf\u8fc7\u73b0\u573a\u9a8c\u8bc1\u7684\u6d4b\u8bd5\u786c\u4ef6\u4e2d\u52a0\u4ee5\u89e3\u51b3\u3002<\/p>\n\n\n\n

\u5c3d\u7ba1GPON\u548c10G-PON\u7f51\u7edc\u5df2\u5e7f\u6cdb\u5e76\u5b58\u90e8\u7f72\uff0c\u4f46\u9488\u5bf9\u6df7\u5408\u73af\u5883\u6307\u5b9a\u63a8\u8350\u5e26\u5916\u6d4b\u8bd5\u6ce2\u957f\u7684\u6b63\u5f0f\u884c\u4e1a\u6307\u5357\u4ecd\u4e0d\u5b8c\u5584\u3002 \u5927\u591a\u6570\u5730\u533a\u8fd0\u8425\u5546\u7684\u6d4b\u8bd5\u89c4\u8303\u4ecd\u9ed8\u8ba4\u91c7\u7528\u9488\u5bf9\u5355\u4ee3GPON\u7f51\u7edc\u8bbe\u8ba1\u76841625 nm\u6d4b\u8bd5\u6d41\u7a0b\uff0c\u5374\u672a\u8003\u865110G-PON\u9ad8\u529f\u7387\u4e0b\u884c\u4fe1\u9053\u6240\u5bfc\u81f4\u7684\u62c9\u66fc\u566a\u58f0\u9608\u503c\u3002\u8fd9\u5bfc\u81f4\u73b0\u4ee3\u5149\u7ea4\u63a5\u5165\u90e8\u7f72\u4e2d\u7684\u73b0\u573a\u6d4b\u91cf\u8d28\u91cf\u5b58\u5728\u4e0d\u4e00\u81f4\u3002<\/p>\n\n\n\n

\"\u56fe1\uff1a\u5171\u5b58PON\u73af\u5883\u4e2d\u7684\u6ce2\u957f\u8c31\u6982\u89c8\u3002.\"
\u56fe1\uff1a<\/strong>\u5171\u5b58PON\u73af\u5883\u4e2d\u7684\u6ce2\u957f\u8c31\u6982\u89c8\u3002 1577 nm\u9ad8\u529f\u7387XGS-PON\u4e0b\u884c\u4fe1\u53f7\u4f1a\u8bf1\u5bfc\u51fa\u62c9\u66fc\u566a\u58f0\u5e26\uff08\u9634\u5f71\u533a\u57df\uff09\uff0c\u8be5\u566a\u58f0\u5e26\u4f1a\u4e25\u91cd\u5f71\u54cd1625 nm OTDR\u6d4b\u91cf\u7ed3\u679c\uff0c\u8fd9\u8868\u660e\u4e3a\u4e86\u5b9e\u73b0\u5145\u5206\u7684\u9891\u8c31\u9694\u79bb\uff0c\u5fc5\u987b\u5c06\u5e26\u5916\u6d4b\u8bd5\u6ce2\u957f\u79fb\u81f31650 nm\u3002<\/em><\/figcaption><\/figure>\n\n\n\n

2. 1650 nm \u73b0\u573a OTDR \u5b9e\u73b0\u4e2d\u7684\u57fa\u672c\u5149\u5b66\u6743\u8861<\/h2>\n\n\n\n

\u5728\u8fd0\u884c\u4e2d\u768410G-PON\u94fe\u8def\u4e0a\u8fdb\u884c1625 nm\u6d4b\u8bd5\u7684\u4e3b\u8981\u9650\u5236\u6e90\u4e8e\u53d7\u6fc0\u62c9\u66fc\u6563\u5c04\uff08SRS\uff09\u3002 1577 nm \u9ad8\u529f\u7387 XGS-PON \u4e0b\u884c\u4fe1\u53f7\u5145\u5f53\u6cf5\u6d66\u6fc0\u5149\u5668\uff0c\u4ea7\u751f\u7684\u4e0b\u79fb\u62c9\u66fc\u5149\u5b50\u566a\u58f0\u6070\u597d\u4f4d\u4e8e 1620\u20131630 nm OTDR \u6d4b\u8bd5\u7a97\u53e3\u5185\u3002 \u7531\u6b64\u4ea7\u751f\u7684\u566a\u58f0\u5e95\u968f\u53d1\u5c04\u529f\u7387\u548c\u5149\u7ea4\u957f\u5ea6\u7684\u589e\u52a0\u800c\u5448\u975e\u7ebf\u6027\u589e\u957f\uff0c\u4ece\u800c\u4ea7\u751f\u968f\u673a\u7684\u53cd\u5c04\u4f2a\u5f71\uff0c\u8fd9\u4e9b\u4f2a\u5f71\u4ec5\u9760\u4f20\u7edf\u7684\u6570\u5b57\u5e73\u5747\u5904\u7406\u65e0\u6cd5\u8fc7\u6ee4\u3002<\/p>\n\n\n\n

\u4e0e1625 nm\u76f8\u6bd4\uff0c1650 nm\u7684\u745e\u5229\u540e\u5411\u6563\u5c04\u6548\u7387\u8f83\u4f4e\uff0c\u4e14\u56fa\u6709\u5149\u7ea4\u8870\u51cf\u7565\u9ad8\u3002\u8fd9\u4e24\u79cd\u6548\u5e94\u90fd\u4f1a\u964d\u4f4e\u53ef\u5b9e\u73b0\u7684\u52a8\u6001\u8303\u56f4\uff0c\u800c\u52a8\u6001\u8303\u56f4\u662f\u6d4b\u8bd5\u57fa\u4e8e\u5206\u8def\u5668\u7684\u635f\u8017\u9650\u5236\u578bPON\u5206\u5e03\u7f51\u7edc\u7684\u4e3b\u8981\u6027\u80fd\u6307\u6807\u3002 \u6709\u4e09\u9879\u6838\u5fc3\u8bbe\u8ba1\u8003\u8651\u56e0\u7d20\u51b3\u5b9a\u4e86\u73b0\u573a\u4eea\u5668\u6d4b\u91cf\u7684\u53ef\u884c\u6027\uff1a<\/p>\n\n\n\n

    \n
  1. \u7a33\u5b9a\u7684\u7a84\u7ebf\u5bbd\u6fc0\u5149\u6e90\uff1a\u53d1\u5c04\u5668\u5fc5\u987b\u5728\u7b26\u54081\u7c7b\u773c\u5b89\u5168\u9650\u503c\u7684\u524d\u63d0\u4e0b\uff0c\u63d0\u4f9b\u53ef\u7528\u7684\u63a2\u5934\u529f\u7387\u3002\u4e3a\u4e86\u5728\u4e0d\u53d7\u63a7\u7684\u5ba4\u5916\u7f51\u7edc\u73af\u5883\u4e2d\u4fdd\u6301\u4fe1\u9053\u91cd\u590d\u6027\uff0c\u8f93\u51fa\u529f\u7387\u5728\u6e29\u5ea6\u5faa\u73af\u8fc7\u7a0b\u4e2d\u5fc5\u987b\u4fdd\u6301\u7a33\u5b9a\u3002<\/li>\n\n\n\n
  2. \u4f4e\u566a\u58f0\u5149\u63a5\u6536\u673a\u524d\u7aef\uff1a\u4e3a\u4e86\u6062\u590d\u7ecf\u8fc7\u7ea7\u8054PON\u5206\u8def\u5668\u8870\u51cf\u540e\u7684\u5fae\u5f31\u53cd\u5c04\u4fe1\u53f7\uff0c\u5fc5\u987b\u91c7\u7528\u96ea\u5d29\u5149\u7535\u4e8c\u6781\u7ba1\u63a5\u6536\u7535\u8def\u548c\u591a\u7ea7\u653e\u5927\u3002\u5fc5\u987b\u63a7\u5236\u63a5\u6536\u673a\u7684\u566a\u58f0\u5e95\u9650\uff0c\u4ee5\u4fdd\u6301\u7d27\u5bc6\u95f4\u9694\u7684\u53cd\u5c04\u4e8b\u4ef6\u7684\u7a7a\u95f4\u5206\u8fa8\u7387\u3002<\/li>\n\n\n\n
  3. \u6570\u5b57\u4fe1\u53f7\u5904\u7406\uff1a\u5728\u591a\u5355\u5143\u5efa\u7b51\uff08MDU\uff09\u90e8\u7f72\u4e2d\uff0c\u7531\u4e8e\u77ed\u5149\u7ea4\u8de8\u5ea6\u5185\u5b58\u5728\u5927\u91cf\u8fde\u63a5\u5668\u548c\u63a5\u5934\uff0c\u566a\u58f0\u6291\u5236\u7b97\u6cd5\u548c\u6b7b\u533a\u7f13\u89e3\u903b\u8f91\u81f3\u5173\u91cd\u8981\u3002<\/li>\n<\/ol>\n\n\n\n

    \u5f53\u5728\u786c\u4ef6\u548c\u56fa\u4ef6\u5c42\u9762\u89e3\u51b3\u8fd9\u4e9b\u9650\u5236\u56e0\u7d20\u540e\uff0c1650 nm OTDR \u5e73\u53f0\u53ef\u63d0\u4f9b\u5927\u4e8e 37 dB \u7684\u52a8\u6001\u8303\u56f4\u548c\u5c0f\u4e8e 1 m \u7684\u4e8b\u4ef6\u6b7b\u533a\uff0c\u9002\u7528\u4e8e\u5178\u578b 10G-PON \u5206\u5e03\u67b6\u6784\u4e2d\u7684\u6545\u969c\u5b9a\u4f4d\u3002<\/p>\n\n\n\n

    \"\u5728\u8fd0\u884c\u4e2d\u768410G-PON\u94fe\u8def\u4e0a\u6d4b\u5f97\u76841625
    \u56fe2\uff1a<\/strong> \u572810G-PON\u6709\u6e90\u94fe\u8def\u4e0a\u6d4b\u5f97\u76841625 nm OTDR\u8fd0\u884c\u66f2\u7ebf\u3002\u7531\u4e8e\u9ad8\u529f\u73871577 nm\u4e0b\u884c\u4fe1\u53f7\u5f15\u8d77\u7684\u53d7\u6fc0\u62c9\u66fc\u6563\u5c04\uff0c\u6d4b\u91cf\u7ed3\u679c\u53d7\u5230\u4e25\u91cd\u5f71\u54cd\uff0c\u5bfc\u81f4\u566a\u58f0\u5e95\u663e\u8457\u5347\u9ad8\u5e76\u51fa\u73b0\u5927\u91cf\u865a\u5047\u9b3c\u5f71\u4e8b\u4ef6\u3002<\/figcaption><\/figure>\n\n\n\n
    \"\u5728\u540c\u4e00\u676110G-PON\u6709\u6e90\u94fe\u8def\u4e0a\u6d4b\u5f97\u7684\u5728\u7f511650
    \u56fe3\uff1a<\/strong> \u5728\u540c\u4e00\u676110G-PON\u6709\u6e90\u94fe\u8def\u4e0a\u6d4b\u5f97\u76841650 nm OTDR\u8fd0\u884c\u66f2\u7ebf\u3002\u901a\u8fc7\u4e0e\u62c9\u66fc\u566a\u58f0\u5e26\u4fdd\u6301\u8db3\u591f\u7684\u5149\u8c31\u9694\u79bb\uff0c1650 nm\u63a2\u5934\u6ce2\u957f\u53ef\u4fdd\u6301\u5e72\u51c0\u7684\u57fa\u7ebf\uff0c\u4ece\u800c\u80fd\u591f\u51c6\u786e\u5b9a\u4f4d\u65e0\u6e90\u5149\u5668\u4ef6\u548c\u6f5c\u5728\u6545\u969c\u70b9\u3002<\/figcaption><\/figure>\n\n\n\n

    3. \u5728\u5b9e\u9645\u7f51\u7edc\u6d4b\u8bd5\u4e2d\u89c2\u5bdf\u5230\u7684\u8fd0\u884c\u9650\u5236<\/h2>\n\n\n\n

    \u4ec5\u51ed\u5b9e\u9a8c\u5ba4\u6d4b\u8bd5\u8868\u73b0\u5e76\u4e0d\u80fd\u4fdd\u8bc1\u8bbe\u5907\u9002\u5408\u73b0\u573a\u5de5\u4f5c\u6d41\u7a0b\u3002\u5728\u57ce\u5e02\u3001\u90ca\u533a\u548c\u591a\u6237\u4f4f\u5b85\uff08MDU\uff09\u7684\u5b9e\u9645PON\u73af\u5883\u4e2d\u8fdb\u884c\u7684\u6d4b\u8bd5\u8868\u660e\uff0c\u65e0\u8bba\u5e95\u5c42\u5149\u7f51\u7edc\u67b6\u6784\u5982\u4f55\uff0c\u5ba4\u5916\u6d4b\u8bd5\u4eea\u5668\u90fd\u5b58\u5728\u4e24\u4e2a\u5e38\u89c1\u7684\u5b9e\u9645\u5c40\u9650\u6027\u3002<\/p>\n\n\n\n

    \u9996\u5148\uff0c\u4f20\u7edf\u663e\u793a\u5c4f\u5728\u9633\u5149\u76f4\u5c04\u4e0b\u5bf9\u6bd4\u5ea6\u8f83\u4f4e\u3002\u5bf9\u4e8e\u5728\u8def\u8fb9\u673a\u67dc\u548c\u9ad8\u7a7a\u63a5\u5934\u5904\u5de5\u4f5c\u7684\u6280\u672f\u4eba\u5458\u800c\u8a00\uff0c\u7ebf\u8def\u56fe\u7684\u8fa8\u8bc6\u5ea6\u964d\u4f4e\u4f1a\u5ef6\u7f13\u6545\u969c\u8bca\u65ad\u3002\u4efb\u4f55\u7528\u4e8e\u6b64\u7c7b\u573a\u666f\u7684\u73b0\u573a\u4eea\u5668\u90fd\u5fc5\u987b\u4f18\u5148\u8003\u8651\u9633\u5149\u4e0b\u53ef\u8bfb\u7684\u663e\u793a\u7279\u6027\u3002<\/p>\n\n\n\n

    \u5176\u6b21\uff0c\u9ad8\u5bc6\u5ea6PON\u9a8c\u6536\u548c\u7ef4\u62a4\u9879\u76ee\u8981\u6c42\u6280\u672f\u4eba\u5458\u6bcf\u73ed\u6b21\u8bc4\u4f30\u5927\u91cf\u5149\u7ea4\u94fe\u8def\u3002\u53cd\u590d\u624b\u52a8\u79fb\u52a8\u5149\u6807\u4ee5\u63d0\u53d6\u5149\u7ea4\u957f\u5ea6\u548c\u603b\u635f\u8017\u7b49\u57fa\u672c\u6307\u6807\uff0c\u4f1a\u9020\u6210\u4e0d\u5fc5\u8981\u7684\u5f00\u9500\u3002\u81ea\u52a8\u4e8b\u4ef6\u68c0\u6d4b\u548c\u6307\u6807\u62a5\u544a\u529f\u80fd\u53ef\u7b80\u5316\u8fd9\u4e9b\u9ad8\u541e\u5410\u91cf\u7684\u6d4b\u8bd5\u5de5\u4f5c\u6d41\u7a0b\u3002<\/p>\n\n\n\n

    \u5728\u8bd5\u9a8c\u73af\u5883\u4e2d\uff0c1650 nm\u6ce2\u957f\u7684\u6d4b\u91cf\u5de5\u4f5c\u5df2\u5b8c\u6210\uff0c\u4e14\u672a\u5bf9\u540c\u5740\u8fd0\u884c\u7684PON\u670d\u52a1\u9020\u6210\u5e72\u6270\uff1b\u6b64\u5916\uff0c\u8be5\u6d4b\u8bd5\u67b6\u6784\u4e0e\u96c6\u4e2d\u5f0f\u81ea\u52a8\u5149\u7ea4\u76d1\u6d4b\u63a5\u53e3\u517c\u5bb9\u3002<\/p>\n\n\n\n

    4. \u8ba8\u8bba\u4e0e\u5c55\u671b<\/h2>\n\n\n\n

    \u968f\u7740 NG-PON2 \u548c 25G-PON \u7684\u90e8\u7f72\u8303\u56f4\u4e0d\u65ad\u6269\u5927\uff0c\u5728\u5171\u4eab\u5149\u7ea4\u4e0a\u5b9e\u73b0\u591a\u79cd\u670d\u52a1\u6ce2\u957f\u7684\u5171\u5b58\u5c06\u6210\u4e3a\u6807\u51c6\u505a\u6cd5\u3002\u5728\u9009\u62e9\u5e26\u5916\u6d4b\u8bd5\u9891\u6bb5\u65f6\uff0c\u5fc5\u987b\u9488\u5bf9\u5168\u90e8\u6d3b\u52a8\u4fe1\u9053\u8fdb\u884c\u8bc4\u4f30\uff0c\u4ee5\u786e\u4fdd\u4fdd\u7559\u8db3\u591f\u7684\u9891\u8c31\u4fdd\u62a4\u5e26\u3002<\/p>\n\n\n\n

    1650 nm\u6ce2\u6bb5\u5728\u6df7\u5408PON\u7f51\u7edc\u4e2d\u5177\u6709\u660e\u663e\u7684\u9694\u79bb\u4f18\u52bf\uff0c\u4f46\u5e76\u4e0d\u80fd\u5b8c\u5168\u66ff\u4ee31625 nm\u6ce2\u6bb5\u3002\u8f83\u9ad8\u7684\u5149\u7ea4\u8870\u51cf\u9650\u5236\u4e86\u957f\u9988\u7ebf\u6bb5\u7684\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\uff0c\u800c\u5143\u5668\u4ef6\u7684\u4f9b\u5e94\u60c5\u51b5\u4ee5\u53ca\u7cfb\u7edf\u6210\u672c\u5bf9\u90e8\u5206\u8fd0\u8425\u5546\u800c\u8a00\u4ecd\u662f\u5b9e\u9645\u7684\u9650\u5236\u56e0\u7d20\u3002 \u4eea\u5668\u8bbe\u8ba1\u4eba\u5458\u5fc5\u987b\u5728\u539f\u59cb\u5149\u5b66\u6027\u80fd\u4e0e\u73b0\u573a\u53ef\u7528\u6027\u8981\u6c42\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\uff0c\u5176\u4e2d\u5305\u62ec\u663e\u793a\u5c4f\u7684\u53ef\u89c6\u6027\u3001\u81ea\u52a8\u5206\u6790\u529f\u80fd\u4ee5\u53ca\u4e0e\u76d1\u63a7\u5e73\u53f0\u7684\u517c\u5bb9\u6027\u3002<\/p>\n\n\n\n

    \u5728\u5b9e\u9645\u73b0\u573a\u6761\u4ef6\u4e0b\uff0c\u4e0e\u6697\u5149\u7ea4\u6d4b\u8bd5\u76f8\u6bd4\uff0c\u5728\u6d3b\u8dc3\u768410G-PON\u5149\u7ea4\u4e0a\u8fdb\u884c\u76841625 nm OTDR\u66f2\u7ebf\u901a\u5e38\u4f1a\u51fa\u73b06 dB\u81f312 dB\u7684\u566a\u58f0\u5e95\u5347\u3002\u8fd9\u4e00\u566a\u58f0\u88d5\u5ea6\u8db3\u4ee5\u63a9\u76d6\u4f4e\u635f\u8017\u7194\u63a5\u70b9\u548c\u5fae\u5f31\u7684\u8fde\u63a5\u5668\u53cd\u5c04\uff0c\u800c\u8fd9\u4e9b\u5bf9\u4e8e\u9884\u9632\u6027\u7ef4\u62a4\u81f3\u5173\u91cd\u8981\u3002 \u76f8\u6bd4\u4e4b\u4e0b\uff0c1650 nm\u7684\u504f\u79fb\u91cf\u53ef\u63d0\u4f9b\u7ea625 nm\u7684\u9891\u8c31\u9694\u79bb\uff0c\u4f7f\u5176\u8fdc\u79bb\u62c9\u66fc\u566a\u58f0\u5e26\uff0c\u4ece\u800c\u6d88\u9664\u4e86\u5927\u90e8\u5206\u8fd0\u884c\u4e2d\u7684\u6d4b\u91cf\u9000\u5316\u73b0\u8c61\u3002<\/p>\n\n\n\n

    10G-PON \u73b0\u573a\u8bd5\u9a8c\u7684\u8fd0\u884c\u7ed3\u679c\u8868\u660e\uff0c\u6ce2\u957f\u9009\u62e9\u4ec5\u662f\u6d4b\u8bd5\u89c4\u8303\u7684\u4e00\u90e8\u5206\u3002\u5176\u5b9e\u9645\u5e94\u7528\u4ef7\u503c\u540c\u6837\u53d6\u51b3\u4e8e\u662f\u5426\u8003\u8651\u4e86\u73b0\u573a\u5de5\u4f5c\u6d41\u7a0b\u7684\u9650\u5236\u56e0\u7d20\uff0c\u800c\u8fd9\u4e9b\u56e0\u7d20\u5728\u57fa\u4e8e\u5b9e\u9a8c\u5ba4\u7684\u7ec4\u4ef6\u7279\u6027\u5206\u6790\u4e2d\u5f80\u5f80\u672a\u80fd\u4f53\u73b0\u3002\u8fd9\u4e9b\u8003\u91cf\u53ef\u4e3a\u4e0b\u4e00\u4ee3\u63a5\u5165\u7f51\u7edc\u6d4b\u8bd5\u7cfb\u7edf\u7684\u786c\u4ef6\u9700\u6c42\u63d0\u4f9b\u53c2\u8003\u3002<\/p>\n\n\n\n

    \u968f\u7740 NG-PON2 \u548c 25G-PON \u7cfb\u7edf\u5f00\u59cb\u5546\u4e1a\u90e8\u7f72\uff0c\u6ce2\u957f\u91cd\u53e0\u5171\u5b58\u7684\u95ee\u9898\u5c06\u53d8\u5f97\u66f4\u52a0\u590d\u6742\u3002\u672c\u6587\u9610\u8ff0\u7684\u6d4b\u8bd5\u6ce2\u957f\u9009\u62e9\u6807\u51c6\u53ef\u4e3a\u8fd0\u8425\u5546\u66f4\u65b0\u6807\u51c6\u64cd\u4f5c\u6d41\u7a0b\u63d0\u4f9b\u652f\u6301\uff0c\u5e76\u6709\u52a9\u4e8e\u5efa\u7acb\u66f4\u7a33\u5065\u7684\u73b0\u573a\u9a8c\u8bc1\u6846\u67b6\uff0c\u4ee5\u652f\u6301\u4e0b\u4e00\u4ee3\u591a\u6ce2\u6bb5\u5149\u7ea4\u63a5\u5165\u7f51\u7edc\u7684\u90e8\u7f72\u3002<\/p>\n\n\n\n

    5. FirstFiber Technologies \u516c\u53f8\u7684 1650nm OTDR \u673a\u578b<\/h2>\n\n\n\n
    \u578b\u53f7<\/th>\u6ce2\u957f<\/th>\u52a8\u6001\u8303\u56f4<\/th><\/tr><\/thead>
    8000MAX-T3<\/a><\/td>1310\/1550\/1650\u7eb3\u7c73<\/td>35\/33\/32\u5206\u8d1d<\/td><\/tr>
    8000MAX-10G2<\/a><\/td>1310\/1550\/1270\/1577\/1650nm<\/td>37\/35\/35\/35\/35\u5206\u8d1d<\/td><\/tr>
    980EXP-B32<\/a><\/td>1650\u7eb3\u7c73<\/td>32\u5206\u8d1d<\/td><\/tr>
    FF-990PRO-PS2<\/a><\/td>1650\u7eb3\u7c73<\/td>38\u5206\u8d1d<\/td><\/tr>
    FF-990PRO-PT4<\/a><\/td>1310\/1550\/1650\u7eb3\u7c73<\/td>38\/36\/36\u5206\u8d1d<\/td><\/tr>
    980RTC-B26<\/a><\/td>1650\u7eb3\u7c73<\/td>26\u5206\u8d1d<\/td><\/tr>
    980RTC-T3<\/a><\/td>1310\/1550\/1650\u7eb3\u7c73<\/td>24\/22\/22dB<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    Ckeck \u6240\u6709 OTDR \u578b\u53f7<\/a>.<\/p>\n\n\n\n

    <\/p>","protected":false},"excerpt":{"rendered":"

    \u6458\u8981 \u5bf9\u4e8e\u5728\u73b0\u6709GPON\u7528\u6237\u7f51\u7edc\u65c1\u90e8\u7f7210G-PON\u7684\u8fd0\u8425\u5546\u800c\u8a00\uff0c\u5728\u7f51\u5149\u7ea4\u8bca\u65ad\u81f3\u5173\u91cd\u8981\u3002 \u5f53\u5149\u7ea4\u4f20\u8f93\u5b9e\u65f61490 nm\u4e0b\u884c\u4fe1\u53f7\u65f6\uff0c\u4f20\u7edf\u76841625 nm\u5e26\u5916OTDR\u6d4b\u91cf\u5f80\u5f80\u4f1a\u53d7\u5230\u62c9\u66fc\u566a\u58f0\u548c\u6ee4\u6ce2\u5668\u4e32\u6270\u7684\u5f71\u54cd\uff0c\u4ece\u800c\u4ea7\u751f\u566a\u58f0\u66f2\u7ebf\u548c\u865a\u5047\u53cd\u5c04\u4e8b\u4ef6\u3002 \u672c\u6587\u63a2\u8ba8\u4e86\u5728\u6df7\u5408\u4ee3\u7f51\u7edc\u4e2d\uff0c1625 nm\u63a2\u6d4b\u6ce2\u957f\u7684\u7269\u7406\u9650\u5236\u2026\u2026 \u9605\u8bfb\u66f4\u591a<\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[98],"tags":[],"class_list":["post-4038","post","type-post","status-publish","format-standard","hentry","category-otdr-wiki"],"_links":{"self":[{"href":"https:\/\/firstfibertech.com\/zh\/wp-json\/wp\/v2\/posts\/4038","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/firstfibertech.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/firstfibertech.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/firstfibertech.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/firstfibertech.com\/zh\/wp-json\/wp\/v2\/comments?post=4038"}],"version-history":[{"count":3,"href":"https:\/\/firstfibertech.com\/zh\/wp-json\/wp\/v2\/posts\/4038\/revisions"}],"predecessor-version":[{"id":4046,"href":"https:\/\/firstfibertech.com\/zh\/wp-json\/wp\/v2\/posts\/4038\/revisions\/4046"}],"wp:attachment":[{"href":"https:\/\/firstfibertech.com\/zh\/wp-json\/wp\/v2\/media?parent=4038"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/firstfibertech.com\/zh\/wp-json\/wp\/v2\/categories?post=4038"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/firstfibertech.com\/zh\/wp-json\/wp\/v2\/tags?post=4038"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}