{"id":3818,"date":"2026-08-27T08:46:54","date_gmt":"2026-08-27T08:46:54","guid":{"rendered":"https:\/\/firstfibertech.com\/?p=3818"},"modified":"2026-08-28T11:30:18","modified_gmt":"2026-08-28T11:30:18","slug":"otdr-%e7%9a%84%e9%87%8d%e8%a6%81%e5%8f%82%e6%95%b0%e6%9c%89%e5%93%aa%e4%ba%9b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/firstfibertech.com\/zh\/blog\/what-are-important-parameters-of-an-otdr\/","title":{"rendered":"OTDR \u7684\u91cd\u8981\u53c2\u6570\u6709\u54ea\u4e9b\uff1f"},"content":{"rendered":"<p class=\"wp-block-paragraph\">OTDR \u662f\u4e00\u79cd\u7528\u4e8e\u5149\u7ea4\u6d4b\u8bd5\u7684\u590d\u6742\u6d4b\u8bd5\u4eea\u5668\uff0c\u5176\u4ef7\u683c\u5dee\u5f02\u8f83\u5927\u3002\u5728\u9009\u62e9 OTDR \u65f6\uff0c\u60a8\u5e94\u4e86\u89e3\u4ee5\u4e0b\u5217\u51fa\u7684\u53c2\u6570\uff1a,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1) \u6ce2\u957f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&gt; \u5355\u6a21 1310nm<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&gt; \u5355\u6a21 1550nm<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&gt; \u5355\u6a21 1310nm \u548c 1550nm<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&gt; PON OTDR\uff08\u5e26\u7528\u4e8e\u6709\u6e90\u5149\u7ea4\u6d4b\u8bd5\u7684\u6ee4\u6ce2\u5668\uff091625nm\/1550nm<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&gt; \u591a\u6a21 850nm 1300nm<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&gt; \u5355\u6a21\u548c\u591a\u6a21 850nm 1300nm 1310nm 1550nm<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2) \u52a8\u6001\u8303\u56f4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece22dB\u523045dB\u3002\u5bf9\u4e8e\u8f83\u957f\u5149\u7ea4\u7684\u6d4b\u8bd5\uff0c\u6570\u503c\u8d8a\u9ad8\u8d8a\u597d\u3002\u901a\u5e38\uff0c\u624b\u6301\u5f0fOTDR\u7684\u6570\u503c\u90fd\u9ad8\u4e8e45dB\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3) \u8109\u51b2\u5bbd\u5ea6\u8303\u56f4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8109\u51b2\u5bbd\u5ea6\u8f83\u5927\u65f6\uff0c\u867d\u7136\u9700\u8981\u66f4\u591a\u80fd\u91cf\u624d\u80fd\u770b\u6e05\u8fdc\u5904\u7684\u7269\u4f53\uff0c\u4f46\u5206\u8fa8\u7387\u8f83\u4f4e\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4) \u6d4b\u8bd5\u8ddd\u79bb<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5) \u6253\u5370\u62a5\u8868<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u7535\u8111\u8f6f\u4ef6\u6216\u76f4\u63a5\u5728OTDR\u4e2d\u751f\u6210\u7684\u62a5\u544a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">6) \u5176\u4ed6\u529f\u80fd<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">VFL\u3001OPM\u3001OLS\u3001\u4e8b\u4ef6\u56fe\u7b49<\/p>","protected":false},"excerpt":{"rendered":"<p>OTDR\u662f\u4e00\u79cd\u7528\u4e8e\u5149\u7ea4\u6d4b\u8bd5\u7684\u590d\u6742\u6d4b\u8bd5\u4eea\u5668\uff0c\u5176\u4ef7\u683c\u5dee\u5f02\u8f83\u5927\u3002\u5728\u9009\u62e9OTDR\u65f6\uff0c\u60a8\u5e94\u4e86\u89e3\u4ee5\u4e0b\u53c2\u6570\uff1a 1) \u6ce2\u957f &gt; \u5355\u6a21 1310nm &gt; \u5355\u6a21 1550nm &gt; \u5355\u6a21 1310nm \u548c 1550nm &gt; PON OTDR\uff08\u5e26\u7528\u4e8e\u6709\u6e90\u5149\u7ea4\u6d4b\u8bd5\u7684\u6ee4\u6ce2\u5668\uff091625nm\/1550nm &gt; \u591a\u6a21\u2026\u2026 <a title=\"OTDR \u7684\u91cd\u8981\u53c2\u6570\u6709\u54ea\u4e9b\uff1f\" class=\"read-more\" href=\"https:\/\/firstfibertech.com\/zh\/blog\/what-are-important-parameters-of-an-otdr\/\" aria-label=\"\u9605\u8bfb What are important Parameters of an OTDR?\">\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-3818","post","type-post","status-publish","format-standard","hentry","category-otdr-wiki"],"_links":{"self":[{"href":"https:\/\/firstfibertech.com\/zh\/wp-json\/wp\/v2\/posts\/3818","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=3818"}],"version-history":[{"count":1,"href":"https:\/\/firstfibertech.com\/zh\/wp-json\/wp\/v2\/posts\/3818\/revisions"}],"predecessor-version":[{"id":3819,"href":"https:\/\/firstfibertech.com\/zh\/wp-json\/wp\/v2\/posts\/3818\/revisions\/3819"}],"wp:attachment":[{"href":"https:\/\/firstfibertech.com\/zh\/wp-json\/wp\/v2\/media?parent=3818"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/firstfibertech.com\/zh\/wp-json\/wp\/v2\/categories?post=3818"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/firstfibertech.com\/zh\/wp-json\/wp\/v2\/tags?post=3818"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}