{"id":2803,"date":"2015-04-21T14:40:20","date_gmt":"2015-04-21T06:40:20","guid":{"rendered":"http:\/\/www.fluck.cn\/?p=2803"},"modified":"2015-04-21T14:40:20","modified_gmt":"2015-04-21T06:40:20","slug":"set-up-otdr-launch-cable","status":"publish","type":"post","link":"https:\/\/www.lqsdjs.com\/html\/set-up-otdr-launch-cable.html","title":{"rendered":"\u5982\u4f55\u8bbe\u7f6eOTDR\u63a5\u5165\u5149\u7ea4\/\u53d1\u5c04\u5149\u7ea4"},"content":{"rendered":"<p><strong>OTDR<\/strong>\u7ecf\u5e38\u4e0e<span class='wp_keywordlink_affiliate'><a href=\"https:\/\/www.lqsdjs.com\/html\/tag\/%e5%8f%91%e5%b0%84%e5%85%89%e7%ba%a4\" title=\"View all posts in \u53d1\u5c04\u5149\u7ea4\" target=\"_blank\">\u53d1\u5c04\u5149\u7ea4<\/a><\/span>\/\u5149\u7f06\u7ed3\u5408\u4f7f\u7528\uff0c\u4e5f\u53ef\u80fd\u4f1a\u4f7f\u7528\u63a5\u6536\u5149\u7ea4\/\u5149\u7f06\u3002<span class='wp_keywordlink_affiliate'><a href=\"https:\/\/www.lqsdjs.com\/html\/tag\/%e5%8f%91%e5%b0%84%e5%85%89%e7%bc%86\" title=\"View all posts in \u53d1\u5c04\u5149\u7f06\" target=\"_blank\">\u53d1\u5c04\u5149\u7f06<\/a><\/span>\u6709\u65f6\u4e5f\u79f0\u4e3a\u201c<span class='wp_keywordlink_affiliate'><a href=\"https:\/\/www.lqsdjs.com\/html\/tag\/%e8%84%89%e5%86%b2%e6%8a%91%e5%88%b6%e5%99%a8\" title=\"View all posts in \u8109\u51b2\u6291\u5236\u5668\" target=\"_blank\">\u8109\u51b2\u6291\u5236\u5668<\/a><\/span>\u201d\u6216\u201c<span class='wp_keywordlink_affiliate'><a href=\"https:\/\/www.lqsdjs.com\/html\/tag\/%e8%99%9a%e6%8b%9f%e5%85%89%e7%ba%a4\" title=\"View all posts in \u865a\u62df\u5149\u7ea4\" target=\"_blank\">\u865a\u62df\u5149\u7ea4<\/a><\/span>\u201d\uff0c\u4f7f<strong>OTDR<\/strong>\u80fd\u591f\u5728\u6d4b\u8bd5\u8109\u51b2\u5c04\u5165\u5149\u7ea4\u540e\u6062\u590d\u8fc7\u6765\u3002<span class='wp_keywordlink_affiliate'><a href=\"https:\/\/www.lqsdjs.com\/html\/tag\/%e5%8f%91%e5%b0%84%e5%85%89%e7%bc%86\" title=\"View all posts in \u53d1\u5c04\u5149\u7f06\" target=\"_blank\">\u53d1\u5c04\u5149\u7f06<\/a><\/span>\u8fd8\u53ef\u4ee5\u63d0\u4f9b\u6709\u5173\u88ab\u6d4b\u5149\u7f06\u7b2c\u4e00\u4e2a\u8fde\u63a5\u5668\u7684\u91cd\u8981\u53c2\u8003\u4fe1\u606f\uff0c\u7528\u4e8e\u786e\u5b9a\u5176\u635f\u8017\u548c\u53cd\u5c04\u7cfb\u6570\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u7b2c\u4e00\u4e2a\u8fde\u63a5\u5668\u4f4d\u4e8e\u5149\u914d\u7ebf\u67b6\uff08ODF\uff09\u6216\u63a5\u7ebf\u677f\u4e0a\u3002\u53ef\u5728\u8fdc\u7aef\u4f7f\u7528\u63a5\u6536\u5149\u7f06\uff0c\u5728\u88ab\u6d4b\u5149\u7f06\u4e00\u7aef\u6d4b\u91cf\u8fde\u63a5\u5668\uff08\u635f\u8017\u548c\u53cd\u5c04\u7cfb\u6570\uff09\uff0c\u4ece\u800c\u786e\u8ba4\u88ab\u6d4b\u5149\u7ea4\u7684\u8fde\u7eed\u6027\u3002<\/p>\n<p><strong>\u9009\u62e9\u957f\u5ea6\u9002\u5b9c\u7684<span class='wp_keywordlink_affiliate'><a href=\"https:\/\/www.lqsdjs.com\/html\/tag\/%e5%8f%91%e5%b0%84%e5%85%89%e7%bc%86\" title=\"View all posts in \u53d1\u5c04\u5149\u7f06\" target=\"_blank\">\u53d1\u5c04\u5149\u7f06<\/a><\/span>\u53d6\u51b3\u4e8e\u591a\u4e2a\u56e0\u7d20\uff0c\u5305\u62ec\uff1a<\/strong><\/p>\n<p>\u203a\u00a0\u8981\u6d4b\u91cf\u7684\u5149\u7ea4\u7c7b\u578b<\/p>\n<p>\u203a\u00a0\u8981\u6d4b\u91cf\u7684\u5149\u7ea4\u7684\u6700\u5927\u957f\u5ea6\uff0c\u8fd9\u4f1a\u51b3\u5b9a\u5728OTDR\u5185\u4f7f\u7528\u7684\u6700\u5927\u8109\u5bbd<\/p>\n<p>\u203a ODF\u4e0a\u7684\u8fde\u63a5\u5668\u7c7b\u578b<\/p>\n<p><strong>\u5149\u7ea4\u7c7b\u578b<\/strong><\/p>\n<p><span class='wp_keywordlink_affiliate'><a href=\"https:\/\/www.lqsdjs.com\/html\/tag\/%e5%8f%91%e5%b0%84%e5%85%89%e7%ba%a4\" title=\"View all posts in \u53d1\u5c04\u5149\u7ea4\" target=\"_blank\">\u53d1\u5c04\u5149\u7ea4<\/a><\/span>\u7684\u7c7b\u578b\u548c\u51e0\u4f55\u7279\u5f81\u5e94\u4e0e\u88ab\u6d4b\u5149\u7ea4\u4fdd\u6301\u4e00\u81f4\u3002\u5bf9\u4e8e\u5355\u6a21\u5149\u7ea4\u6765\u8bf4\uff0c\u5982\u679c\u88ab\u6d4b\u5149\u7ea4\u4e3aG.655\u578b\uff0c\u800c\u4f7f\u7528\u7684<span class='wp_keywordlink_affiliate'><a href=\"https:\/\/www.lqsdjs.com\/html\/tag\/%e5%8f%91%e5%b0%84%e5%85%89%e7%ba%a4\" title=\"View all posts in \u53d1\u5c04\u5149\u7ea4\" target=\"_blank\">\u53d1\u5c04\u5149\u7ea4<\/a><\/span>\u4e3aG.652\u578b\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u989d\u5916\u635f\u8017\u3002\u7136\u800c\uff0c\u5982\u679c\u80fd\u591f\u8bb0\u5f55\u5e76\u627e\u51fa\u539f\u56e0\uff0c\u5219\u53ef\u4ee5\u63a5\u53d7\u8fd9\u4e9b\u635f\u8017\u3002\u8fd9\u5bf9\u591a\u6a21\u5149\u7ea4\u5c24\u4e3a\u91cd\u8981\uff0c\u56e0\u4e3a\u53d1\u5c04\u6761\u4ef6\u5fc5\u987b\u7a33\u5b9a\u624d\u80fd\u7cbe\u51c6\u6d4b\u91cf\u635f\u8017\uff0c\u5f53\u4e24\u6761\u591a\u6a21\u5149\u7ea4\u7ea4\u82af\u5927\u5c0f\u4e0d\u540c\uff08\u5206\u522b\u4e3a50 \u03bcm\u548c62.5 \u03bcm\uff09\u65f6\u4e5f\u662f\u5982\u6b64\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u5e94\u5bf9<span class='wp_keywordlink_affiliate'><a href=\"https:\/\/www.lqsdjs.com\/html\/tag\/%e5%8f%91%e5%b0%84%e5%85%89%e7%ba%a4\" title=\"View all posts in \u53d1\u5c04\u5149\u7ea4\" target=\"_blank\">\u53d1\u5c04\u5149\u7ea4<\/a><\/span>\u7684\u7aef\u9762\u8fdb\u884c\u5f88\u597d\u7684\u7814\u78e8\u3002\u4e0d\u5e94\u6709\u4efb\u4f55\u5185\u90e8\u7194\u63a5\uff0c\u5426\u5219\u4f1a\u76f4\u63a5\u589e\u52a0\u8fde\u63a5\u5668\u7684\u603b\u635f\u8017\u3002<\/p>\n<p><strong>\u8109\u5bbd<\/strong><\/p>\n<div>\u5728\u786e\u5b9a\u5149\u7ea4\u6700\u5927\u957f\u5ea6\u540e\uff0c\u5fc5\u987b\u9009\u62e9\u4e0e\u957f\u5ea6\u5bf9\u5e94\u7684\u8109\u5bbd\u3002\u8bf7\u8bb0\u4f4f\uff0cOTDR\u4f1a\u8ba1\u7b97\u5149\u7ea4\u94fe\u8def\u7684\u635f\u8017\uff0c\u56e0\u6b64\u5e94\u8003\u8651\u635f\u8017\u800c\u4e0d\u662f\u957f\u5ea6\u3002\u4f8b\u5982\uff0c\u5e262.5 dB\u5b8f\u5f2f\u7684\u94fe\u8def\u7684\u635f\u8017\u7b49\u4e8e\u4e00\u6bb5\u957f\u5ea6\u4e3a10 km\u3001\u6ce2\u957f\u4e3a1550 nm\u7684\u5149\u7ea4\u635f\u8017\u3002\u57fa\u672c\u539f\u5219\u662f\u6839\u636e\u8109\u5bbd\u8ba1\u7b97\u5149\u7ea4\u957f\u5ea6\uff08\u4ee5ns\u4e3a\u5355\u4f4d\uff0c\u5c06\u5b83\u9664\u4ee510\uff0c\u53731000 ns = 100 m\uff09\uff0c\u7136\u540e\u52a0\u4e0a20%\u7684\u201c\u8870\u51cf\u76f2\u533a\u201d\u3002\u867d\u7136\u6839\u636e\u8fd9\u79cd\u65b9\u6cd5\u6240\u8ba1\u7b97\u51fa\u6765\u7684\u503c\u5728OTDR\u7684\u8109\u5bbd\u8303\u56f4\uff08\u901a\u5e38\u4ece5 ns\u81f320000 ns [20 \u03bcs]\uff09\u5185\u4e0d\u5c3d\u76f8\u540c\uff0c\u4f46\u5b83\u53ef\u4f30\u7b97\u51fa\u6700\u597d\/\u6700\u574f\u60c5\u51b5\u4e0b\u9700\u8981\u7684\u5149\u7ea4\u957f\u5ea6\u3002<\/div>\n<p>\u56e0\u6b64\uff0c\u5982\u679c\u60a8\u8ba1\u5212\u4f7f\u7528\u7684\u8109\u5bbd\u4e3a5000 ns\uff0c<span class='wp_keywordlink_affiliate'><a href=\"https:\/\/www.lqsdjs.com\/html\/tag\/%e5%8f%91%e5%b0%84%e5%85%89%e7%ba%a4\" title=\"View all posts in \u53d1\u5c04\u5149\u7ea4\" target=\"_blank\">\u53d1\u5c04\u5149\u7ea4<\/a><\/span>\u7684\u957f\u5ea6\u5e94\u4e3a600 m (5000\u9664\u4ee510\uff0c\u7136\u540e\u5c06\u7ed3\u679c\u52a0\u4e0a20%\uff09\u3002\u6240\u4ee5\uff0c1 km\u957f\u7684<span class='wp_keywordlink_affiliate'><a href=\"https:\/\/www.lqsdjs.com\/html\/tag\/%e5%8f%91%e5%b0%84%e5%85%89%e7%bc%86\" title=\"View all posts in \u53d1\u5c04\u5149\u7f06\" target=\"_blank\">\u53d1\u5c04\u5149\u7f06<\/a><\/span>\u5728\u5404\u79cd\u60c5\u51b5\u4e0b\u90fd\u8db3\u4ee5\u6ee1\u8db3\u9700\u6c42\u3002\u7136\u800c\uff0c\u5982\u679c\u60a8\u8981\u4f7f\u752810 \u03bcs\u8109\u5bbd\uff0c\u8fd9\u6bb5<span class='wp_keywordlink_affiliate'><a href=\"https:\/\/www.lqsdjs.com\/html\/tag\/%e5%8f%91%e5%b0%84%e5%85%89%e7%bc%86\" title=\"View all posts in \u53d1\u5c04\u5149\u7f06\" target=\"_blank\">\u53d1\u5c04\u5149\u7f06<\/a><\/span>\u4f1a\u8fc7\u77ed\uff0c\u4f4e\u4e8e\u8981\u6c42\u76841.2 km\u3002<\/p>\n<div>\u5982\u679c\u60a8\u9700\u8981\u80fd\u6ee1\u8db3\u6240\u6709\u957f\u5ea6\u9700\u6c42\u7684\u53d1\u5c04\u5149\u7ea4\uff0c\u552f\u4e00\u7684\u65b9\u6cd5\u662f\u91c7\u7528\u6bd4OTDR\u6700\u5927\u8109\u5bbd\u957f\u4e00\u4e9b\u7684\u5149\u7ea4\u3002\u4f8b\u5982\uff0c\u5982\u679cOTDR\u7684\u6700\u5927\u8109\u5bbd\u662f20 \u03bcs\uff0c\u90a3\u4e48\u53ef\u80fd\u9700\u89812.5 km\u957f\u7684\u5149\u7f06\u3002<\/div>\n<p>\u5728PON\/FTTx MDU\u6d4b\u8bd5\u4e2d\uff0c\u4f1a\u4f7f\u7528\u4e0d\u8d85\u8fc7500 ns\u7684\u8109\u5bbd\u3002\u56e0\u6b64\uff0c150m-300 m\u957f\u7684\u53d1\u5c04\u5149\u7f06\u53ef\u6ee1\u8db3\u9700\u6c42\u3002<\/p>\n<p><strong>\u8fde\u63a5\u5668\u7c7b\u578b<\/strong><\/p>\n<p>\u4f7f\u7528\u53d1\u5c04\u5149\u7f06\u7684\u4e3b\u8981\u76ee\u7684\u662f\u5c06ODF\u8fde\u63a5\u5668\u9694\u79bb\u5f00\u6765\uff0c\u4ee5\u6d4b\u91cf\u5176\u635f\u8017\u548c\u53cd\u5c04\u7cfb\u6570\u3002\u56e0\u6b64\uff0c\u6839\u636e\u6240\u9009\u53d1\u5c04\u5149\u7ea4\uff0c\u6b63\u786e\u7aef\u63a5ODF\u81f3\u5173\u91cd\u8981\u3002\u5982\u679c\u7f51\u7edc\u662fSC\/UPC\u578b\uff0c\u800c\u53d1\u5c04\u5149\u7ea4\u662fFC\/UPC\uff0c\u4f7f\u7528\u201c3 m\u8df3\u7ebf\u201d\u8fde\u63a5SC\/UPC\u4f1a\u5bfc\u81f4\u5728ODF\u6d4b\u91cf\u4e24\u5bf9\u8fde\u63a5\u5668\uff0c\u800c\u8fd9\u662f\u4e0d\u53ef\u53d6\u7684\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u53ef\u80fd\u9700\u8981\u51c6\u5907\u591a\u4e2a\u53d1\u5c04\u5149\u7ea4\uff0c\u4ee5\u4fbf\u6d4b\u8bd5\u5149\u7ea4\u7f51\u7edc\u3002\u56e0\u4e3a\u5927\u591a\u6570OTDR\u7684\u7684\u53d1\u5c04\u7aef\u53e3\u6bd4\u8f83\u56fa\u5b9a\uff08\u5982SC\/APC\u8f93\u51fa\u7aef\u53e3\uff09\uff0c\u6240\u4ee5\u53ef\u4f7f\u7528\u4eceSC\/APC\u5230xx\/xPC\u7684\u5404\u79cd\u8f6c\u63a5\u8df3\u7ebf\u3002<span class='wp_keywordlink_affiliate'><a href=\"https:\/\/www.lqsdjs.com\/html\/tag\/%e8%84%89%e5%86%b2%e6%8a%91%e5%88%b6%e5%99%a8\" title=\"View all posts in \u8109\u51b2\u6291\u5236\u5668\" target=\"_blank\">\u8109\u51b2\u6291\u5236\u5668<\/a><\/span>\/\u53d1\u5c04\u5f15\u7ea4\u7684\u53e6\u4e00\u4e2a\u91cd\u8981\u7528\u9014\u662f\u5c3d\u53ef\u80fd\u51cf\u5c11OTDR\u8fde\u63a5\u5668\u7684\u4f7f\u7528\u6b21\u6570\uff0c\u6700\u7ec8\u964d\u4f4e\u635f\u574fOTDR\u8fde\u63a5\u5668\u7684\u98ce\u9669\u5e76\u5ef6\u957f\u8fde\u63a5\u5668\u4f7f\u7528\u5bff\u547d\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.lqsdjs.com\/wp-content\/uploads\/flukeimg\/2015\/04\/064025ciy.bmp\" alt=\"\" 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