{"id":52164,"date":"2025-08-11T10:54:48","date_gmt":"2025-08-11T02:54:48","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/52164.html"},"modified":"2025-08-11T10:54:48","modified_gmt":"2025-08-11T02:54:48","slug":"%e5%85%89%e7%ba%a4%e7%86%94%e6%8e%a5%e4%b8%8e%e8%bf%9e%e6%8e%a5%e6%8d%9f%e8%80%97%e6%a0%87%e5%87%86%ef%bc%88%ef%bc%9c0-5-db%ef%bc%89%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/52164.html","title":{"rendered":"\u5149\u7ea4\u7194\u63a5\u4e0e\u8fde\u63a5\u635f\u8017\u6807\u51c6\uff08\uff1c0.5 dB\uff09\u8be6\u89e3"},"content":{"rendered":"

\u4e00\u3001\u4ec0\u4e48\u662f\u5149\u7ea4\u8fde\u63a5\u635f\u8017？<\/h3>\n

\u5149\u7ea4\u8fde\u63a5\u635f\u8017（\u8fde\u63a5\u63d2\u5165\u635f\u8017）\u6307\u7684\u662f\u4e24\u6839\u5149\u7ea4\u5728\u8fde\u63a5\u6216\u7194\u63a5\u65f6，\u5149\u4fe1\u53f7\u7ecf\u8fc7\u8fde\u63a5\u70b9\u6240\u906d\u53d7\u7684\u80fd\u91cf\u635f\u5931\u3002
\n\u8fde\u63a5\u8d8a\u7cbe\u51c6\u3001\u635f\u8017\u8d8a\u4f4e，\u5149\u4fe1\u53f7\u5c31\u8d8a\u5b8c\u6574，\u94fe\u8def\u6027\u80fd\u8d8a\u597d\u3002<\/p>\n

\u7406\u60f3\u76ee\u6807：\u8fde\u63a5\u635f\u8017\u8d8a\u4f4e\u8d8a\u597d，\u5de5\u7a0b\u6807\u51c6\u901a\u5e38\u8981\u6c42\u6bcf\u4e2a\u8fde\u63a5\u70b9\u5c0f\u4e8e 0.5 dB\u3002<\/p>\n

\n

\u4e8c\u3001\u8fde\u63a5\u635f\u8017\u7684\u6765\u6e90<\/h3>\n

\u5149\u7ea4\u8fde\u63a5\u635f\u8017\u4e3b\u8981\u6765\u81ea\u4ee5\u4e0b\u51e0\u79cd\u60c5\u51b5：<\/p>\n\n\n\n\n\n\n\n\n
\n

\u6765\u6e90<\/p>\n<\/td>\n

\n

\u8bf4\u660e<\/p>\n<\/td>\n<\/tr>\n

\n

\u7aef\u9762\u4e0d\u9f50<\/p>\n<\/td>\n

\n

\u5149\u7ea4\u5207\u5272\u9762\u4e0d\u5782\u76f4\u6216\u4e0d\u5e73\u6574，\u5bfc\u81f4\u5149\u4fe1\u53f7\u6563\u5c04\u6216\u53cd\u5c04<\/p>\n<\/td>\n<\/tr>\n

\n

\u5bf9\u51c6\u8bef\u5dee<\/p>\n<\/td>\n

\n

\u7194\u63a5\u6216\u8fde\u63a5\u65f6，\u4e24\u4e2a\u5149\u7ea4\u82af\u6ca1\u6709\u5b8c\u5168\u5bf9\u4e2d<\/p>\n<\/td>\n<\/tr>\n

\n

\u7ea4\u82af\u5c3a\u5bf8\u8bef\u5dee<\/p>\n<\/td>\n

\n

\u4e0d\u540c\u6279\u6b21\u5149\u7ea4\u82af\u5f84\u5fae\u5c0f\u5dee\u5f02，\u5f71\u54cd\u5bf9\u63a5\u6548\u679c<\/p>\n<\/td>\n<\/tr>\n

\n

\u6c61\u67d3\u6216\u5212\u75d5<\/p>\n<\/td>\n

\n

\u5149\u7ea4\u7aef\u9762\u6709\u7070\u5c18\u3001\u6cb9\u6c61\u6216\u5212\u4f24，\u5bfc\u81f4\u5149\u635f\u6216\u53cd\u5c04<\/p>\n<\/td>\n<\/tr>\n

\n

\u6750\u6599\u5438\u6536\/\u6563\u5c04<\/p>\n<\/td>\n

\n

\u5149\u7ea4\u672c\u8eab\u5fae\u5c0f\u6742\u8d28\u5bfc\u81f4\u4fe1\u53f7\u80fd\u91cf\u635f\u8017<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n

\u4e09\u3001\u5149\u7ea4\u8fde\u63a5\u65b9\u5f0f\u4e0e\u5bf9\u5e94\u635f\u8017\u6807\u51c6<\/h3>\n\n\n\n\n\n\n
\n

\u8fde\u63a5\u65b9\u5f0f<\/p>\n<\/td>\n

\n

\u5178\u578b\u635f\u8017\u6c34\u5e73<\/p>\n<\/td>\n

\n

\u8bf4\u660e<\/p>\n<\/td>\n<\/tr>\n

\n

\u673a\u68b0\u8fde\u63a5（\u5feb\u901f\u8fde\u63a5\u5668）<\/p>\n<\/td>\n

\n

0.3 ~ 0.75 dB<\/p>\n<\/td>\n

\n

\u7528\u4e8e\u5feb\u901f\u5e03\u7ebf，\u635f\u8017\u7565\u9ad8，\u9002\u5408\u975e\u5173\u952e\u5e94\u7528<\/p>\n<\/td>\n<\/tr>\n

\n

\u70ed\u7194\u63a5（\u7194\u63a5\u673a）<\/p>\n<\/td>\n

\n

0.05 ~ 0.2 dB<\/p>\n<\/td>\n

\n

\u6700\u4f18\u65b9\u5f0f，\u9002\u5408\u5927\u89c4\u6a21\u3001\u9ad8\u6027\u80fd\u4e3b\u5e72\u5149\u7f06\u90e8\u7f72<\/p>\n<\/td>\n<\/tr>\n

\n

\u9884\u7aef\u63a5\u8fde\u63a5（MPO\/MTP\u6a21\u5757）<\/p>\n<\/td>\n

\n

0.2 ~ 0.6 dB<\/p>\n<\/td>\n

\n

\u5de5\u5382\u9884\u5236，\u9002\u5408\u9ad8\u901f\u6570\u636e\u4e2d\u5fc3（40G\/100G）<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n

\u56db\u3001\u56fd\u9645\u6807\u51c6\u4e2d\u5bf9\u8fde\u63a5\u635f\u8017\u7684\u8981\u6c42<\/h3>\n\n\n\n\n\n\n
\n

\u6807\u51c6<\/p>\n<\/td>\n

\n

\u8981\u6c42\u5185\u5bb9<\/p>\n<\/td>\n<\/tr>\n

\n

ISO\/IEC 11801<\/p>\n<\/td>\n

\n

\u6bcf\u6b21\u8fde\u63a5（\u542b\u7194\u63a5\/\u63a5\u5934）\u5178\u578b \u2264 0.5 dB<\/p>\n<\/td>\n<\/tr>\n

\n

TIA-568.3-D<\/p>\n<\/td>\n

\n

\u5355\u6b21\u673a\u68b0\u8fde\u63a5 \u2264 0.75 dB，\u7194\u63a5 \u2264 0.3 dB<\/p>\n<\/td>\n<\/tr>\n

\n

YD\/T 926（\u4e2d\u56fd\u6807\u51c6）<\/p>\n<\/td>\n

\n

\u901a\u4fe1\u5de5\u7a0b\u4e2d\u5355\u7194\u63a5\u70b9\u635f\u8017 \u2264 0.3 dB<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u7efc\u5408\u6765\u770b，\u5de5\u7a0b\u5b9e\u9645\u63a8\u8350\u76ee\u6807\u662f\u6bcf\u4e2a\u8fde\u63a5\u70b9 \u2264 0.5 dB，\u66f4\u9ad8\u8981\u6c42\u7684\u573a\u666f（\u5982\u9ad8\u901f\u6570\u636e\u4e2d\u5fc3）\u751a\u81f3\u63a7\u5236\u5728 0.2~0.3 dB\u3002<\/p>\n

\n

\u4e94\u3001\u7194\u63a5\u8fc7\u7a0b\u63a7\u5236\u4e0e\u8d28\u91cf\u8981\u6c42<\/h3>\n

1. \u7194\u63a5\u524d\u51c6\u5907<\/h4>\n
    \n
  • \n

    \u4f7f\u7528\u9ad8\u7cbe\u5ea6\u5149\u7ea4\u5207\u5272\u5200，\u4fdd\u8bc1\u7aef\u9762\u5e73\u6574<\/p>\n<\/li>\n

  • \n

    \u6e05\u6d01\u5149\u7ea4\u7aef\u9762，\u907f\u514d\u7070\u5c18\u6c61\u67d3<\/p>\n<\/li>\n

  • \n

    \u786e\u4fdd\u5149\u7ea4\u5265\u9664\u3001\u6e05\u6d01\u3001\u5207\u5272\u6d41\u7a0b\u6807\u51c6\u5316<\/p>\n<\/li>\n<\/ul>\n

    2. \u7194\u63a5\u673a\u8bbe\u5b9a<\/h4>\n
      \n
    • \n

      \u9009\u62e9\u6b63\u786e\u7684\u5149\u7ea4\u7c7b\u578b（\u5355\u6a21\/\u591a\u6a21）<\/p>\n<\/li>\n

    • \n

      \u8c03\u6574\u7194\u63a5\u53c2\u6570（\u5982\u653e\u7535\u5f3a\u5ea6\u3001\u65f6\u95f4）<\/p>\n<\/li>\n

    • \n

      \u5b9e\u65f6\u76d1\u6d4b\u7194\u63a5\u62c9\u529b\u548c\u5149\u5b66\u635f\u8017（\u73b0\u4ee3\u7194\u63a5\u673a\u5e26\u6709\u6d4b\u91cf\u529f\u80fd）<\/p>\n<\/li>\n<\/ul>\n

      3. \u7194\u63a5\u540e\u68c0\u6d4b<\/h4>\n
        \n
      • \n

        \u4f7f\u7528 OTDR \u6d4b\u91cf\u94fe\u8def\u5404\u8fde\u63a5\u70b9\u635f\u8017<\/p>\n<\/li>\n

      • \n

        \u4f7f\u7528\u5149\u529f\u7387\u8ba1\/\u7a33\u5b9a\u5149\u6e90\u5bf9\u94fe\u8def\u6574\u4f53\u63d2\u5165\u635f\u8017\u6d4b\u8bd5<\/p>\n<\/li>\n<\/ul>\n

        \n

        \u516d\u3001\u5b9e\u9645\u5de5\u7a0b\u4e2d\u635f\u8017\u7ba1\u7406\u793a\u4f8b<\/h3>\n

        \u5047\u8bbe\u4e00\u4e2a\u697c\u5b87\u5e72\u7ebf\u94fe\u8def\u8bbe\u8ba1：<\/h4>\n
          \n
        • \n

          \u603b\u5149\u7ea4\u94fe\u8def：300\u7c73（OM3）<\/p>\n<\/li>\n

        • \n

          \u4e24\u7aef\u63a5\u5165（\u8df3\u7ebf + \u7aef\u63a5\u6a21\u5757）<\/p>\n<\/li>\n

        • \n

          \u4e2d\u95f41\u5904\u7194\u63a5\u76d2（\u4e2d\u7ee7\u8fde\u63a5）<\/p>\n<\/li>\n<\/ul>\n\n\n\n\n\n\n\n
          \n

          \u9879\u76ee<\/p>\n<\/td>\n

          		\n

          \u6570\u91cf<\/p>\n<\/td>\n

          		\n

          \u5355\u70b9\u6700\u5927\u635f\u8017<\/p>\n<\/td>\n

          		\n

          \u603b\u635f\u8017\u9884\u7b97（\u6700\u5927）<\/p>\n<\/td>\n<\/tr>\n

          \n

          \u7aef\u63a5\u8df3\u7ebf<\/p>\n<\/td>\n

          		\n

          2\u6b21<\/p>\n<\/td>\n

          		\n

          \u2264 0.5 dB<\/p>\n<\/td>\n

          		\n

          \u2264 1.0 dB<\/p>\n<\/td>\n<\/tr>\n

          \n

          \u4e2d\u95f4\u7194\u63a5<\/p>\n<\/td>\n

          		\n

          1\u6b21<\/p>\n<\/td>\n

          		\n

          \u2264 0.3 dB<\/p>\n<\/td>\n

          		\n

          \u2264 0.3 dB<\/p>\n<\/td>\n<\/tr>\n

          \n

          \u5149\u7f06\u4f20\u8f93\u635f\u8017<\/p>\n<\/td>\n

          		\n

          300m x 3.5dB\/km（OM3）<\/p>\n<\/td>\n

          		\n

          \u2248 1.05 dB<\/p>\n<\/td>\n

          		\n<\/td>\n<\/tr>\n
          \n

          \u603b\u94fe\u8def\u635f\u8017\u9884\u7b97<\/p>\n<\/td>\n

          		\n<\/td>\n\n<\/td>\n\n

          \u2264 2.35 dB<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          \u53ea\u8981\u603b\u635f\u8017 < 3.0 dB（\u6807\u51c6\u63a8\u8350），\u94fe\u8def\u5c31\u80fd\u652f\u630110G\u4ee5\u592a\u7f51\u7a33\u5b9a\u8fd0\u884c\u3002<\/p>\n

          \n

          \u4e03\u3001\u8d85\u4f4e\u635f\u8017\u8fde\u63a5\u5e94\u7528\u573a\u666f<\/h3>\n\n\n\n\n\n\n
          \n

          \u573a\u666f<\/p>\n<\/td>\n

          		\n

          \u8981\u6c42\u66f4\u4e25\u7684\u8fde\u63a5\u635f\u8017（\u76ee\u6807）<\/p>\n<\/td>\n<\/tr>\n

          \n

          40G\/100G\u6570\u636e\u4e2d\u5fc3\u4e92\u8054<\/p>\n<\/td>\n

          		\n

          \u5355\u8fde\u63a5\u70b9 \u2264 0.2 dB<\/p>\n<\/td>\n<\/tr>\n

          \n

          \u6838\u5fc3\u7f51\u7edc\u957f\u9014\u5149\u7ea4\u4f20\u8f93<\/p>\n<\/td>\n

          		\n

          \u5355\u8fde\u63a5\u70b9 \u2264 0.1~0.2 dB<\/p>\n<\/td>\n<\/tr>\n

          \n

          \u5927\u89c4\u6a21 FTTH（\u5149\u7ea4\u5230\u6237）\u90e8\u7f72<\/p>\n<\/td>\n

          		\n

          \u63d2\u5165\u635f\u8017 \u2264 0.5 dB<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

          \u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb166\u6b21\u3002\u5149\u7ea4\u8fde\u63a5\u635f\u8017\u662f\u6307\u5149\u4fe1\u53f7\u5728\u5149\u7ea4\u8fde\u63a5\u70b9\u4ea7\u751f\u7684\u80fd\u91cf\u635f\u5931\uff0c\u5de5\u7a0b\u6807\u51c6\u8981\u6c42\u5355\u70b9\u635f\u8017\u5c0f\u4e8e0.5dB\u3002\u635f\u8017\u4e3b\u8981\u6765\u6e90\u4e8e\u7aef\u9762\u4e0d\u9f50\u3001\u5bf9\u51c6\u8bef\u5dee\u3001\u7ea4\u82af\u5dee\u5f02\u548c\u7aef\u9762\u6c61\u67d3\u7b49\u3002\u4e0d\u540c\u8fde\u63a5\u65b9\u5f0f\u635f\u8017\u5404\u5f02\uff1a\u7194\u63a5\u6700\u4f4e\uff080.05-0.2dB\uff09\uff0c\u673a\u68b0\u8fde\u63a5\u6b21\u4e4b\uff080.3-0.75dB\uff09\u3002\u56fd\u9645\u6807\u51c6\u5bf9\u8fde\u63a5\u635f\u8017\u6709\u4e25\u683c\u89c4\u5b9a\uff0c\u5982ISO\/IEC 11801\u8981\u6c42\u5355\u70b9\u22640.5dB\u3002\u9ad8\u8d28\u91cf\u7194\u63a5\u9700\u89c4\u8303\u64cd\u4f5c\u6d41\u7a0b\u548c\u68c0\u6d4b\u624b\u6bb5\uff0c\u73b0\u4ee3\u7194\u63a5\u673a\u53ef\u5b9e\u65f6\u76d1\u6d4b\u635f\u8017\u3002\u5178\u578b300\u7c73OM3\u5149\u7ea4\u94fe\u8def\u603b\u635f\u8017\u5e94\u63a7\u5236\u57282.35dB\u5185\uff0c40G\/100G\u7b49\u9ad8\u901f\u573a\u666f\u8981\u6c42\u66f4\u4e25\uff08\u5355\u70b9\u22640.2dB\uff09\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[235,5217,5215,3563,100,78,122,44,5216],"topic":[],"class_list":["post-52164","post","type-post","status-publish","format-standard","hentry","category-server","tag-235","tag-5217","tag-5215","tag-3563","tag-100","tag-78","tag-122","tag-44","tag-5216"],"yoast_head":"\n\u5149\u7ea4\u7194\u63a5\u4e0e\u8fde\u63a5\u635f\u8017\u6807\u51c6\uff08\uff1c0.5 dB\uff09\u8be6\u89e3 - 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