{"id":3749,"date":"2026-08-27T07:50:54","date_gmt":"2026-08-27T07:50:54","guid":{"rendered":"https:\/\/firstfibertech.com\/?p=3749"},"modified":"2026-08-28T11:34:50","modified_gmt":"2026-08-28T11:34:50","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88otdr%e4%b8%ad%e6%98%be%e7%a4%ba%e7%9a%84%e9%80%9a%e8%bf%87-%e5%a4%b1%e8%b4%a5%e7%bb%93%e6%9e%9c%e4%b8%8epc%e7%ab%af%e8%bd%af%e4%bb%b6%e5%92%8c%e6%8a%a5%e5%91%8a%e4%b8%ad","status":"publish","type":"post","link":"https:\/\/firstfibertech.com\/zh\/blog\/why-the-pass-fail-displayed-in-otdr-is-different-from-pc-software-and-report\/","title":{"rendered":"\u4e3a\u4ec0\u4e48OTDR\u4e0a\u663e\u793a\u7684\u201c\u901a\u8fc7\/\u672a\u901a\u8fc7\u201d\u7ed3\u679c\u4e0ePC\u7aef\u8f6f\u4ef6\u548c\u62a5\u544a\u4e2d\u7684\u7ed3\u679c\u4e0d\u540c\uff1f"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u4e3a\u4ec0\u4e48OTDR\u4e0a\u663e\u793a\u7684\u201c\u901a\u8fc7\/\u672a\u901a\u8fc7\u201d\u7ed3\u679c\u4e0ePC\u7aef\u8f6f\u4ef6\u548c\u62a5\u544a\u4e2d\u7684\u7ed3\u679c\u4e0d\u540c\uff1f\u8bf7\u67e5\u770b\u8fd9\u4e9b\u56fe\u7247\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"646\" height=\"496\" src=\"https:\/\/firstfibertech.com\/wp-content\/uploads\/2026\/08\/otdr-pass-fail-settings-discrepancy.webp\" alt=\"OTDR \u901a\u8fc7\/\u4e0d\u901a\u8fc7\u53c2\u6570\u8bbe\u7f6e\u5dee\u5f02\u5206\u6790\" class=\"wp-image-3750\" srcset=\"https:\/\/firstfibertech.com\/wp-content\/uploads\/2026\/08\/otdr-pass-fail-settings-discrepancy.webp 646w, https:\/\/firstfibertech.com\/wp-content\/uploads\/2026\/08\/otdr-pass-fail-settings-discrepancy-300x230.webp 300w, https:\/\/firstfibertech.com\/wp-content\/uploads\/2026\/08\/otdr-pass-fail-settings-discrepancy-16x12.webp 16w\" sizes=\"auto, (max-width: 646px) 100vw, 646px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"552\" src=\"https:\/\/firstfibertech.com\/wp-content\/uploads\/2026\/08\/otdr-software-parameter-mismatch-1024x552.webp\" alt=\"OTDR PC \u8f6f\u4ef6\u66f2\u7ebf\u5206\u6790\u53c2\u6570\u4e0d\u5339\u914d\" class=\"wp-image-3751\" srcset=\"https:\/\/firstfibertech.com\/wp-content\/uploads\/2026\/08\/otdr-software-parameter-mismatch-1024x552.webp 1024w, https:\/\/firstfibertech.com\/wp-content\/uploads\/2026\/08\/otdr-software-parameter-mismatch-300x162.webp 300w, https:\/\/firstfibertech.com\/wp-content\/uploads\/2026\/08\/otdr-software-parameter-mismatch-768x414.webp 768w, https:\/\/firstfibertech.com\/wp-content\/uploads\/2026\/08\/otdr-software-parameter-mismatch-1536x828.webp 1536w, https:\/\/firstfibertech.com\/wp-content\/uploads\/2026\/08\/otdr-software-parameter-mismatch-18x10.webp 18w, https:\/\/firstfibertech.com\/wp-content\/uploads\/2026\/08\/otdr-software-parameter-mismatch.webp 1919w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"686\" height=\"969\" src=\"https:\/\/firstfibertech.com\/wp-content\/uploads\/2026\/08\/otdr-parameter-settings-mismatch.webp\" alt=\"OTDR\u6d4b\u8bd5\u62a5\u544a\u53c2\u6570\u8bbe\u7f6e\u4e0d\u5339\u914d\u5bfc\u81f4\u6d4b\u8bd5\u5931\u8d25\" class=\"wp-image-3752\" srcset=\"https:\/\/firstfibertech.com\/wp-content\/uploads\/2026\/08\/otdr-parameter-settings-mismatch.webp 686w, https:\/\/firstfibertech.com\/wp-content\/uploads\/2026\/08\/otdr-parameter-settings-mismatch-212x300.webp 212w, https:\/\/firstfibertech.com\/wp-content\/uploads\/2026\/08\/otdr-parameter-settings-mismatch-8x12.webp 8w\" sizes=\"auto, (max-width: 686px) 100vw, 686px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662f\u56e0\u4e3aOTDR\u4e2d\u7684\u53c2\u6570\u8bbe\u7f6e\u4e0ePC\u8f6f\u4ef6\u4e0d\u540c\u3002\u8bf7\u91cd\u7f6e\u53c2\u6570\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"336\" height=\"608\" src=\"https:\/\/firstfibertech.com\/wp-content\/uploads\/2026\/08\/otdr-pass-fail-threshold-settings-GH9m.webp\" alt=\"OTDR \u901a\u8fc7\/\u5931\u8d25\u9608\u503c\u8bbe\u7f6e \u5149\u7ea4\u8870\u51cf\u53c2\u6570\" class=\"wp-image-3753\" srcset=\"https:\/\/firstfibertech.com\/wp-content\/uploads\/2026\/08\/otdr-pass-fail-threshold-settings-GH9m.webp 336w, https:\/\/firstfibertech.com\/wp-content\/uploads\/2026\/08\/otdr-pass-fail-threshold-settings-GH9m-166x300.webp 166w, https:\/\/firstfibertech.com\/wp-content\/uploads\/2026\/08\/otdr-pass-fail-threshold-settings-GH9m-7x12.webp 7w\" sizes=\"auto, (max-width: 336px) 100vw, 336px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"616\" src=\"https:\/\/firstfibertech.com\/wp-content\/uploads\/2026\/08\/otdr-pass-fail-threshold-settings-1024x616.webp\" alt=\"OTDR \u5149\u7ea4\u901a\u8fc7\/\u4e0d\u901a\u8fc7\u9608\u503c\u8bbe\u7f6e\" class=\"wp-image-3754\" srcset=\"https:\/\/firstfibertech.com\/wp-content\/uploads\/2026\/08\/otdr-pass-fail-threshold-settings-1024x616.webp 1024w, https:\/\/firstfibertech.com\/wp-content\/uploads\/2026\/08\/otdr-pass-fail-threshold-settings-300x180.webp 300w, https:\/\/firstfibertech.com\/wp-content\/uploads\/2026\/08\/otdr-pass-fail-threshold-settings-768x462.webp 768w, https:\/\/firstfibertech.com\/wp-content\/uploads\/2026\/08\/otdr-pass-fail-threshold-settings-1536x924.webp 1536w, https:\/\/firstfibertech.com\/wp-content\/uploads\/2026\/08\/otdr-pass-fail-threshold-settings-18x12.webp 18w, https:\/\/firstfibertech.com\/wp-content\/uploads\/2026\/08\/otdr-pass-fail-threshold-settings.webp 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p 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