{"id":4658,"date":"2021-08-03T10:21:39","date_gmt":"2021-08-03T02:21:39","guid":{"rendered":"http:\/\/www.comtest.cn\/?p=4658"},"modified":"2021-08-03T10:21:44","modified_gmt":"2021-08-03T02:21:44","slug":"%e4%bb%80%e4%b9%88%e6%98%afwdm","status":"publish","type":"post","link":"http:\/\/www.comtest.cn\/?p=4658","title":{"rendered":"\u4ec0\u4e48\u662fWDM"},"content":{"rendered":"<h1 class=\"wp-block-heading\">VIAVI \u5982\u4f55\u5b9e\u73b0 DWDM \u7cfb\u7edf<\/h1><p>\u5728\u8fc7\u53bb\u7684 40 \u5e74\u4e2d\uff0c\u968f\u7740\u5236\u9020\u6280\u672f\u7684\u7a81\u7834\u6d88\u9664\u4e86\u9650\u5236\u6027\u80fd\u7684\u6c34\u5cf0\uff0c\u540c\u65f6\u6ce2\u957f\u5229\u7528\u7387\u548c\u8c03\u5236\u683c\u5f0f\u7ee7\u7eed\u4ee5\u6307\u6570\u7ea7\u589e\u52a0\u627f\u8f7d\u80fd\u529b\uff0c\u5355\u6a21\u5149\u7ea4\u7684\u7269\u7406\u7279\u6027\u6301\u7eed\u53d1\u5c55\u3002\u5bc6\u96c6\u6ce2\u5206\u590d\u7528 (DWDM) \u662f\u5149\u7ea4\u4f20\u8f93\u6280\u672f\u53d1\u5c55\u7684\u91cd\u8981\u91cc\u7a0b\u7891\u3002<\/p><p>\u5728\u7f51\u7edc\u751f\u547d\u5468\u671f\u7684\u5f00\u59cb\u9636\u6bb5\uff0c\u51fa\u73b0\u4e86\u65e0\u6e90 DWDM \u8bbe\u5907\u7684\u5236\u9020\u548c\u65b0\u5f00\u53d1\uff0c\u5176\u4e2d\u9a8c\u8bc1\u6ce2\u957f\u76f8\u5173\u6027\u80fd\u7684\u5b8c\u6574\u7279\u5f81\u81f3\u5173\u91cd\u8981\u3002 \u968f\u7740\u6709\u7ebf\u548c\u7535\u4fe1\u670d\u52a1\u63d0\u4f9b\u5546\u7ee7\u7eed\u53d1\u5c55\u5176\u7f51\u7edc\uff0c\u5c06\u5149\u7ea4\u63a8\u5411\u66f4\u6df1\u7684\u4f4d\u7f6e\uff0c\u4f7f\u7f51\u7edc\u5143\u7d20\u66f4\u63a5\u8fd1\u7528\u6237\uff0c\u5e76\u4e3a\u8f83\u5c0f\u7684\u7528\u6237\u7fa4\u63d0\u4f9b\u670d\u52a1\uff08\u4ee5\u63d0\u9ad8\u670d\u52a1\u901f\u5ea6\u548c\u589e\u52a0\u4ea7\u54c1\uff09\u3002DWDM \u6b63\u5728\u6210\u4e3a\u8fd9\u4e9b HFC \u5206\u5e03\u5f0f\u63a5\u5165\u4f53\u7cfb\u7ed3\u6784 (DAA) \u548c xDSL\/gFast \u7f51\u7edc\u7684\u91cd\u8981\u63a8\u52a8\u56e0\u7d20\u3002<\/p><p>\u867d\u7136\u65e0\u7ebf\u63d0\u4f9b\u5546\u5c06\u96c6\u4e2d\u5f0f\u7684\u65e0\u7ebf\u63a5\u5165\u7f51 (C-RAN) \u4f5c\u4e3a\u4e00\u9879\u5173\u952e\u7684\u67b6\u6784\u529f\u80fd\uff0c\u4f46\u4ed6\u4eec\u4e5f\u610f\u8bc6\u5230\u4e86 DWDM \u7684\u4f18\u52bf\uff0c\u8fd9\u5c06\u662f 5G \u91c7\u7528\u8fdb\u4e00\u6b65\u63d0\u9ad8\u5bb9\u91cf\u9700\u6c42\u6240\u5fc5\u9700\u7684\u3002\u65e0\u6e90\u5149\u7f51\u7edc (PON) \u6240\u6709\u8005\/\u8fd0\u8425\u5546\u5df2\u7ecf\u5f00\u59cb\u5229\u7528\u8986\u76d6\u5728\u73b0\u6709 E-PON \u548c G-PON \u7f51\u7edc\u4e0a\u7684 DWDM \u6280\u672f\u7684\u4f18\u52bf\uff0c\u5b9e\u73b0\u5149\u7ea4\u5165\u6237 (FTTH)\u3002 \u6700\u540e\uff0c\u5927\u91cf\u8d85\u5927\u89c4\u6a21\u548c\u591a\u79df\u6237\u6570\u636e\u4e2d\u5fc3 (MTDC) \u8fd0\u8425\u5546\u6b63\u5728\u5176\u5149\u7ea4\u6570\u636e\u4e2d\u5fc3\u4e92\u8054 (DCI) \u7f51\u7edc\u4e2d\u90e8\u7f72\u9ad8\u5bb9\u91cf DWDM \u89e3\u51b3\u65b9\u6848\u3002<\/p><p>\u901a\u8fc7\u8d70\u5728\u5bc6\u96c6\u6ce2\u5206\u590d\u7528\u6280\u672f\u7684\u524d\u6cbf\uff0cVIAVI \u4e3a\u884c\u4e1a\u63d0\u4f9b\u4e86\u6d4b\u8bd5\u89e3\u51b3\u65b9\u6848\uff0c\u4ee5\u5e94\u5bf9\u65e0\u6e90 DWDM \u7f51\u7edc\u7684\u6fc0\u6d3b\u3001\u7ef4\u62a4\u548c\u6545\u969c\u6392\u67e5\u6311\u6218\u3002<\/p><h1 class=\"wp-block-heading\">\u4ec0\u4e48\u662f WDM\uff1f<\/h1><p>\u6ce2\u5206\u590d\u7528 (Wavelength Division Multiplexing, WDM) \u662f\u4e00\u79cd\u5141\u8bb8\u5728\u540c\u4e00\u5149\u7ea4\u4e0a\u540c\u65f6\u4f20\u8f93\u591a\u4e2a\u9891\u7387\uff08\u6216\u6ce2\u957f\uff09\u7684\u6280\u672f\u3002\u8fd9\u662f\u901a\u8fc7\u4f7f\u7528\u8f93\u51fa\u8c03\u8c10\u5230\u5355\u72ec\u548c\u7279\u5b9a\u6ce2\u957f\u7684\u5149\u53d1\u5c04\u673a\u6216\u6536\u53d1\u673a\u6765\u5b9e\u73b0\u7684\uff0c\u4ece\u800c\u5b58\u5728\u4e0d\u540c\u4e14\u4e0d\u91cd\u53e0\u7684\u4f20\u8f93\u4fe1\u9053\u3002<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/viavi-cwdm_700.jpg\"><img fetchpriority=\"high\" decoding=\"async\" width=\"700\" height=\"313\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/viavi-cwdm_700.jpg\" alt=\"\" class=\"wp-image-4659\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/viavi-cwdm_700.jpg 700w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/viavi-cwdm_700-300x134.jpg 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/viavi-cwdm_700-600x268.jpg 600w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/viavi-cwdm_700-64x29.jpg 64w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><\/figure><\/div><p>\u7c97\u6ce2\u5206\u590d\u7528 (CWDM) \u4f7f\u7528 1260 \u7eb3\u7c73\u5230 1670 \u7eb3\u7c73\u4e4b\u95f4\u7684\u6ce2\u957f\uff08O\u3001E\u3001S\u3001C\u3001L \u548c U \u4f20\u8f93\u6ce2\u6bb5\uff09\uff0c\u5e76\u5141\u8bb8\u5728\u6b64\u533a\u57df\u5185\u521b\u5efa\u591a\u8fbe 18 \u4e2a\u5355\u72ec\u7684\u4fe1\u9053\uff0c\u627f\u8f7d\u8bed\u97f3\u3001\u6570\u636e\u6216\u89c6\u9891\u7684\u4efb\u610f\u7ec4\u5408\uff0c\u4fe1\u9053\u95f4\u9694\u4e3a 20 \u7eb3\u7c73\u3002\u5bf9\u4e8e\u76f8\u5bf9\u4f4e\u5e26\u5bbd\u7684\u90e8\u7f72\uff0cCWDM \u662f\u4e00\u79cd\u7ecf\u6d4e\u9ad8\u6548\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u4f46\u662f\uff0c\u7531\u4e8e CWDM \u4fe1\u53f7\u65e0\u6cd5\u653e\u5927\uff0c\u6ca1\u6709\u80fd\u591f\u652f\u6301\u8be5\u8303\u56f4\u7684\u5bbd\u5e26\u5149\u653e\u5927\u5668\uff0c\u56e0\u6b64\u8ddd\u79bb\u88ab\u9650\u5236\u4e3a 80 \u5343\u7c73\u3002<\/p><p>\u5bc6\u96c6\u6ce2\u5206\u590d\u7528 (DWDM) \u901a\u8fc7\u5c06\u4fe1\u9053\u95f4\u9694\u51cf\u5c0f\u5230 0.8 \u7eb3\u7c73\u6216\u66f4\u5c0f\uff0c\u5e76\u7f29\u5c0f\u5de5\u4f5c\u6ce2\u957f\u8303\u56f4\uff0c\u5c06 WDM \u5e26\u5230\u4e86\u4e00\u4e2a\u65b0\u7684\u6c34\u5e73\u3002\u8fd9\u53ef\u4ee5\u4ea7\u751f 80 \u4e2a\u6216\u66f4\u591a\u7684\u6d41\u91cf\u4fe1\u9053\u6216\u901a\u9053\uff0c\u4e3a\u66f4\u591a\u7684\u9ad8\u901f\u3001\u9ad8\u5e26\u5bbd\u5e94\u7528\u6253\u5f00\u5927\u95e8\u3002<\/p><p>\u4ee4\u4eba\u60ca\u8bb6\u7684\u662f\uff0c\u6240\u6709 DWDM \u6ce2\u957f\u90fd\u4f4d\u4e8e\u88ab\u79f0\u4e3a C \u6ce2\u6bb5\u7684 1525 \u7eb3\u7c73\u5230 1565 \u7eb3\u7c73\u7684\u72ed\u7a84\u533a\u57df\u5185\u3002\u7531\u4e8e\u4e0e O \u6216 E \u7b49\u6ce2\u6bb5\u4e2d\u7684\u8f83\u4f4e\u6ce2\u957f\u76f8\u6bd4\uff0c\u4fe1\u53f7\u635f\u8017\uff08\u5149\u7ea4\u8870\u51cf\uff09\u76f8\u5bf9\u8f83\u4f4e\uff080.25dB\/\u5343\u7c73\uff09\uff0c\u56e0\u6b64\u5229\u7528\u4e86\u8be5\u533a\u57df\u3002\u7531\u4e8e\u4fe1\u9053\u95f4\u9694\u7a84\uff0c\u9700\u8981\u66f4\u9ad8\u7cbe\u5ea6\u7684\u6fc0\u5149\u5668\u548c\u6ee4\u6ce2\u8fc7\u7a0b\u6765\u4fdd\u6301\u4fe1\u9053\u5b8c\u6574\u6027\u5e76\u5c06\u5e72\u6270\u964d\u81f3\u6700\u4f4e\u3002<\/p><h1 class=\"wp-block-heading\">DWDM \u67b6\u6784<\/h1><p>\u65e0\u6e90 DWDM \u7f51\u7edc\u67b6\u6784\u5f00\u59cb\u4e8e\u8f6c\u53d1\u5668\u6216\u6536\u53d1\u5668\u63a5\u53d7\u5404\u79cd\u6d41\u91cf\u7c7b\u578b\u548c\u534f\u8bae\u7684\u6570\u636e\u8f93\u5165\u3002\u8be5\u8f6c\u53d1\u5668\u6267\u884c\u5c06\u8f93\u5165\u6570\u636e\u6620\u5c04\u5230\u5355\u72ec DWDM \u6ce2\u957f\u7684\u57fa\u672c\u529f\u80fd\u3002\u6bcf\u4e2a\u5355\u72ec\u7684\u6ce2\u957f\u88ab\u9988\u9001\u5230\u5149\u5b66\u591a\u8def\u590d\u7528\u5668 (MUX)\uff0c\u8be5\u591a\u8def\u590d\u7528\u5668\u5c06\u591a\u4e2a\u6ce2\u957f\u6ee4\u6ce2\u5e76\u7ec4\u5408\u5230\u5355\u4e2a\u8f93\u51fa\u7aef\u53e3\u4e0a\uff0c\u4ee5\u4fbf\u901a\u8fc7\u4e3b\u8981\/\u6838\u5fc3\/\u516c\u5171 DWDM \u5149\u7ea4\u4f20\u8f93\u3002\u7136\u540e\uff0c\u5728\u63a5\u6536\u7aef\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u5149\u89e3\u590d\u7528\u5668 (De-MUX) \u6765\u5206\u79bb\u6ce2\u957f\u4ee5\u9694\u79bb\u5404\u4e2a\u4fe1\u9053\uff0c\u7136\u540e\u901a\u8fc7\u9644\u52a0\u7684\u6ce2\u957f\u5339\u914d\u8f6c\u53d1\u5668\u5c06\u6bcf\u4e2a\u4fe1\u9053\u8def\u7531\u5230\u9002\u5f53\u7684\u5ba2\u6237\u7aef\u8f93\u51fa\u3002<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/dwdm-network_700.jpg\"><img decoding=\"async\" width=\"700\" height=\"258\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/dwdm-network_700.jpg\" alt=\"\" class=\"wp-image-4660\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/dwdm-network_700.jpg 700w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/dwdm-network_700-300x111.jpg 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/dwdm-network_700-600x221.jpg 600w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/dwdm-network_700-64x24.jpg 64w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><\/figure><\/div><p>\u7531\u4e8e DWDM \u6280\u672f\u4e0e CWDM \u9891\u6bb5\u91cd\u53e0\uff0c\u56e0\u6b64\u4e5f\u53ef\u4ee5\u9009\u62e9\u201c\u6df7\u5408\u201d\u89e3\u51b3\u65b9\u6848\u3002\u8fd9\u79cd\u7c7b\u578b\u7684\u6df7\u5408\u7cfb\u7edf\u4fdd\u7559\u4e86 CWDM \u590d\u7528\u5668\u548c\u89e3\u590d\u7528\u5668\u786c\u4ef6\uff0c\u5728 1530 \u5230 1550 \u7eb3\u7c73\u8303\u56f4\u5185\u7684\u73b0\u6709\u4fe1\u9053\u4e0a\u63d2\u5165 DWDM \u6ce2\u957f\uff0c\u4ece\u800c\u521b\u5efa\u591a\u8fbe 28 \u4e2a\u989d\u5916\u4fe1\u9053\u3002\u6df7\u5408 CWDM\/DWDM \u7cfb\u7edf\u65e0\u9700\u5b89\u88c5\u65b0\u5149\u7ea4\u6216\u5927\u89c4\u6a21\u66f4\u6539\u57fa\u7840\u8bbe\u65bd\uff0c\u5373\u53ef\u5927\u5e45\u63d0\u5347\u5bb9\u91cf\u3002<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/dwdm-network-wavelength_700.jpg\"><img decoding=\"async\" width=\"700\" height=\"277\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/dwdm-network-wavelength_700.jpg\" alt=\"\" class=\"wp-image-4661\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/dwdm-network-wavelength_700.jpg 700w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/dwdm-network-wavelength_700-300x119.jpg 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/dwdm-network-wavelength_700-600x237.jpg 600w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/dwdm-network-wavelength_700-64x25.jpg 64w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><\/figure><\/div><p>\u5149\u7ea4\u5206\u63d2\u590d\u7528\u5668 (OADM) \u662f DWDM \u67b6\u6784\u7684\u53ef\u9009\u7ec4\u4ef6\uff0c\u53ef\u4ee5\u6dfb\u52a0\u5230\u65e0\u6e90\u6216\u6709\u6e90\u7f51\u7edc\uff0c\u4ee5\u4fbf\u4e8e\u4ece\u4e3b\u8981\/\u6838\u5fc3\/\u516c\u5171 DWDM \u5149\u7ea4\u7684\u4e2d\u6e38\u4f4d\u7f6e\u6dfb\u52a0\u6216\u51cf\u53bb\u6307\u5b9a\u6ce2\u957f\u3002\u53cc\u5411\u67b6\u6784\u5305\u62ec\u7535\u8def\u4e24\u7aef\u7684\u53d1\u9001\u5668\u548c\u63a5\u6536\u5668\u4ee5\u53ca\u7ec4\u5408\u590d\u7528\u5668\/\u89e3\u590d\u7528\u5668\u8bbe\u5907\u3002<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/dwdm-oadm_700.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"222\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/dwdm-oadm_700.jpg\" alt=\"\" class=\"wp-image-4662\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/dwdm-oadm_700.jpg 700w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/dwdm-oadm_700-300x95.jpg 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/dwdm-oadm_700-600x190.jpg 600w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/08\/dwdm-oadm_700-64x20.jpg 64w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><\/figure><\/div><p>\u5bf9\u4e8e\u957f\u9014\u7f51\u7edc\uff0cDWDM \u67b6\u6784\u589e\u52a0\u4e86\u8865\u507f\u5149\u635f\u8017\u6240\u9700\u7684\u6709\u6e90\u7cfb\u7edf\u7ec4\u4ef6\uff0c\u4ece\u800c\u589e\u52a0\u4e86\u590d\u6742\u6027\uff0c\u8fd9\u5c06\u4f7f\u4fe1\u53f7\u63a5\u6536\u548c\u6570\u636e\u6062\u590d\u53d8\u5f97\u4e0d\u53ef\u80fd\u3002\u63ba\u94d2\u5149\u7ea4\u653e\u5927\u5668 (EDFA) \u53ef\u7528\u4f5c\u5347\u538b\u5668\u6216\u53d1\u5c04\u653e\u5927\u5668\uff0c\u4ee5\u4f7f\u5149\u529f\u7387\u7535\u5e73\u5728\u79bb\u5f00\u591a\u8def\u590d\u7528\u5668\u65f6\u63d0\u9ad8\uff0c\u800c\u524d\u7f6e\u653e\u5927\u5668\u5728\u8fdb\u5165\u89e3\u590d\u7528\u5668\u4e4b\u524d\u6267\u884c\u76f8\u540c\u7684\u529f\u80fd\u3002\u8fd8\u53ef\u4ee5\u5305\u62ec\u9644\u52a0\u7684\u5185\u8054\u653e\u5927\u5668\u3002\u6ca1\u6709 EDFA \u7684\u65e0\u6e90\u7f51\u7edc\u5c06\u8fd9\u79cd\u590d\u6742\u6027\u964d\u81f3\u6700\u4f4e\u3002<\/p><h1 class=\"wp-block-heading\">\u5982\u4f55\u589e\u52a0\u7f51\u7edc\u5e26\u5bbd\uff1f<\/h1><p>\u968f\u7740\u5bf9\u5e26\u5bbd\u9700\u6c42\u7684\u4e0d\u65ad\u6269\u5927\uff0c\u95ee\u9898\u4e0d\u518d\u662f\u662f\u5426\u9700\u8981\uff0c\u800c\u662f\u63d0\u4f9b\u5546\u5c06\u5982\u4f55\u6ee1\u8db3\u8fd9\u4e9b\u8981\u6c42\u3002\u5149\u7ea4\u5bb9\u91cf\u7684\u500d\u589e\u610f\u5473\u7740\u66f4\u9ad8\u7684\u670d\u52a1\u6570\u91cf\u548c\u591a\u6837\u6027\u3001\u66f4\u591a\u7684\u7aef\u70b9\/\u7528\u6237\u4ee5\u53ca\u65e0\u6570\u7684\u76c8\u5229\u673a\u4f1a\u3002\u94fa\u8bbe\u989d\u5916\u7684\u5149\u7ea4\u662f\u4e00\u4e2a\u663e\u800c\u6613\u89c1\u7684\u7b56\u7565\uff0c\u4f46\u901a\u5e38\u662f\u89e3\u51b3\u5e26\u5bbd\u9650\u5236\u7684\u6700\u5177\u7834\u574f\u6027\u548c\u6700\u6602\u8d35\u7684\u9009\u62e9\u3002\u90a3\u4e48\uff0c\u4e3a\u4ec0\u4e48\u4e0d\u52aa\u529b\u6539\u8fdb\u5df2\u7ecf\u94fa\u8bbe\u7684\u73b0\u6709\u8d44\u4ea7\uff08\u5149\u7ea4\uff09\u5462\uff1f<\/p><p>CWDM \u548c DWDM \u5728 2002 \u5e74\u5206\u522b\u7531 ITU-T G.694.2 \u548c&nbsp; G.694.1 \u6807\u51c6\u5316\u3002 \u76f4\u5230\u6700\u8fd1\uff0c\u4e0e DWDM \u6fc0\u5149\u5668\u3001\u8f6c\u53d1\u5668\u3001\u590d\u7528\u3001\u89e3\u590d\u7528\u548c OADM \u7ec4\u4ef6\u76f8\u5173\u7684\u5b89\u88c5\u548c\u6301\u7eed\u8fd0\u8425\u8d39\u7528\u5df2\u7ecf\u62b5\u6d88\u4e86\u76f8\u5bf9\u7684\u7ecf\u6d4e\u6548\u76ca\u3002\u968f\u7740\u89c4\u6a21\u7ecf\u6d4e\u548c\u6548\u7387\u7684\u63d0\u9ad8\u7ee7\u7eed\u964d\u4f4e DWDM \u7f51\u7edc\u7684\u6210\u672c\uff0c\u5bc6\u96c6\u6ce2\u5206\u590d\u7528\u7684\u60c5\u51b5\u53d8\u5f97\u66f4\u52a0\u5f15\u4eba\u6ce8\u76ee\u3002<\/p><h1 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48\u8981\u8003\u8651 DWDM\uff1f<\/h1><p>\u5982\u679c CWDM \u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u80fd\u591f\u6ee1\u8db3\u5e26\u5bbd\u9700\u6c42\uff0cDWDM \u90e8\u7f72\u6216\u8f6c\u6362\u7684\u597d\u5904\/\u7406\u7531\u53ef\u80fd\u4e0d\u4f1a\u7acb\u5373\u663e\u73b0\u3002\u968f\u7740\u4e92\u8054\u7f51\u6d41\u91cf\u4ee5\u6bcf\u5e74 300% \u7684\u901f\u5ea6\u589e\u957f\uff0c\u63d0\u4f9b\u5546\u7684\u5e26\u5bbd\u9700\u6c42\u6bcf\u516d\u5230\u4e5d\u4e2a\u6708\u7ffb\u4e00\u756a\u3002\u968f\u7740\u8fd9\u4e00\u589e\u957f\u901f\u5ea6\u7684\u4e0d\u65ad\u52a0\u5feb\uff0c\u66f4\u591a\u7684\u6d41\u91cf\u5c06\u8fdb\u5165\u4f4e\u5ef6\u8fdf\u7c7b\u522b\uff0c\u5982\u7f51\u7edc\u7535\u8bdd\u3001UHD \u5b9e\u65f6\u89c6\u9891\u6d41\u3001\u4e91\u6258\u7ba1\u6e38\u620f\u548c\u65b0\u5174\u7684 5G \u524d\u7aef\/\u540e\u7aef\u5e94\u7528\uff0c\u5982\u81ea\u52a8\u9a7e\u9a76\u6c7d\u8f66\uff0c\u8fd9\u4e9b\u90fd\u4ea7\u751f\u4e86\u7c7b\u4f3c\u7684\u5bb9\u91cf\u9700\u6c42\u3002\u901a\u8fc7\u8be5\u6280\u672f\u4f18\u5316\u548c\u6700\u5927\u5316\u5149\u7ea4\u5e26\u5bbd\u662f\u89e3\u51b3\u5bb9\u91cf\u96be\u9898\u7684\u4e00\u79cd\u4e3b\u52a8\u3001\u7ecf\u6d4e\u9ad8\u6548\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p><h1 class=\"wp-block-heading\">DWDM \u4f1a\u5e26\u6765\u54ea\u4e9b\u6311\u6218\uff1f<\/h1><p>\u5bc6\u96c6\u6ce2\u5206\u590d\u7528\u56fa\u6709\u7684\u76f8\u90bb\u4fe1\u9053\u7684\u7d27\u5bc6\u63a5\u8fd1\u6027\u5e26\u6765\u4e86\u6311\u6218\uff0c\u9700\u8981\u667a\u80fd\u7ef4\u62a4\u548c\u6d4b\u8bd5\u5b9e\u8df5\u3002\u4e3a\u4e86\u4fdd\u6301\u4fe1\u9053\u7684\u5b8c\u6574\u6027\uff0c\u9700\u8981\u7cbe\u786e\u7684\u6fc0\u5149\u5668\u6e29\u5ea6\u63a7\u5236\u548c\u53ef\u9760\u7684 DWDM \u590d\u7528\u5668\/\u89e3\u590d\u7528\u5668\u8bbe\u5907\u3002\u5373\u4f7f\u662f\u6700\u5fae\u5c0f\u7684\u6ce2\u957f\u6f02\u79fb\u4e5f\u4f1a\u4ea7\u751f\u504f\u79fb\uff0c\u5e72\u6270\u76f8\u90bb\u901a\u9053\u5e76\u964d\u4f4e\u4fe1\u53f7\u8d28\u91cf\u3002SPF\/SFP+ \u6536\u53d1\u5668\u5177\u6709\u4ef7\u4f4d\u8f83\u4f4e\u7684\u4f18\u52bf\uff0c\u4f46\u5728\u7ba1\u7406\u6ce2\u957f\u5b8c\u6574\u6027\u65b9\u9762\u53ef\u80fd\u6548\u7387\u8f83\u4f4e\u3002<\/p><p>\u566a\u58f0\u662f\u7528\u4e8e\u57ce\u57df\u90e8\u7f72\u7684\u4e3b\u52a8\u5f0f DWDM \u7f51\u7edc\u9762\u4e34\u7684\u989d\u5916\u6311\u6218\u3002EDFA \u548c\u4e5f\u5305\u542b\u653e\u5927\u5668\u7684\u53ef\u91cd\u914d\u7f6e\u5149\u7ea4\u5206\u63d2\u590d\u7528\u5668 (ROADM) \u53ef\u80fd\u4f1a\u589e\u52a0\u7f51\u7edc\u566a\u58f0\uff0c\u5e76\u4e14\u9700\u8981\u4fdd\u6301\u826f\u597d\u7684\u5149\u4fe1\u566a\u6bd4 (OSNR)\uff0c\u4ee5\u4fbf\u6700\u5927\u9650\u5ea6\u5730\u63d0\u9ad8 DWDM \u4fe1\u9053\u7684\u5e26\u5bbd\u5229\u7528\u7387\uff0c\u5e76\u5c06\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u4e22\u5931\u548c\u91cd\u4f20\u7684\u6bd4\u7279\u8bef\u7801\u964d\u81f3\u6700\u4f4e\u3002<\/p><p>\u63a5\u5165\u7f51\u7edc\u4e2d\u66f4\u5e38\u89c1\u7684\u65e0\u6e90 DWDM \u5e94\u7528\u4e0d\u4f1a\u53d7\u5230\u566a\u58f0\u95ee\u9898\u7684\u5f71\u54cd\uff0c\u6ca1\u6709\u653e\u5927\u5668\u4ea7\u751f\u566a\u58f0\uff0c\u8ddd\u79bb\u8d8a\u77ed\u610f\u5473\u7740\u66f4\u91cd\u8981\u7684\u662f\u5c06\u5149\u529f\u7387\u635f\u5931\uff08\u8870\u51cf\uff09\u964d\u5230\u6700\u4f4e\uff0c\u5e76\u5728\u63a5\u6536\u8f6c\u53d1\u5668\/SPF\/SPF+ \u83b7\u5f97\u826f\u597d\u7684\u5149\u529f\u7387\u7535\u5e73\uff0c\u56e0\u6b64\u5149\u7ea4\u548c\u8fde\u63a5\u5668\u7684\u635f\u8017\u548c\u53cd\u5c04\u662f\u975e\u5e38\u91cd\u8981\u7684\u95ee\u9898\u3002<\/p><h1 class=\"wp-block-heading\">DWDM \u4f7f\u7528\u6848\u4f8b\u89e3\u51b3\u65b9\u6848<\/h1><p>\u5bc6\u96c6\u6ce2\u5206\u590d\u7528\u5c06\u5c16\u7aef\u7684\u6fc0\u5149\u5149\u5b66\u3001\u7535\u5b50\u548c\u8c03\u5236\u6280\u672f\u7ed3\u5408\u5728\u4e00\u8d77\uff0c\u6700\u5927\u9650\u5ea6\u5730\u63d0\u9ad8\u4e86\u5149\u7ea4\u6570\u636e\u4f20\u8f93\u7684\u6548\u7387\u3002\u8fd9\u79cd\u6210\u529f\u7684\u7ec4\u5408\u662f\u5f00\u53d1\u3001\u5b89\u88c5\u3001\u6d4b\u8bd5\u548c\u7ef4\u62a4\u5b9e\u8df5\u7684\u7aef\u5230\u7aef\u534f\u8c03\u65b9\u6cd5\u7684\u526f\u4ea7\u54c1\u3002<\/p><p>\u5728\u7f51\u7edc\u7684\u6240\u6709\u8fd9\u4e9b\u9636\u6bb5\uff0c\u5bf9\u5149\u7ea4\u7aef\u9762\u548c\u8fde\u63a5\u5668\u8fdb\u884c\u751f\u547d\u5468\u671f\u68c0\u67e5\u5bf9\u4e8e\u786e\u4fdd\u53ef\u9760\u8fd0\u884c\u81f3\u5173\u91cd\u8981\u3002\u4e3a\u4e86\u6210\u4e3a\u9ad8\u6548\u7684\u68c0\u6d4b\u5de5\u5177\uff0c\u4e0d\u4ec5\u8981\u8ba9\u60a8\u770b\u5230\u5149\u7ea4\u7aef\u9762\uff0c\u8fd8\u5fc5\u987b\u5b9e\u73b0\u6574\u4e2a\u6d4b\u8bd5\u8fc7\u7a0b\u7684\u81ea\u52a8\u5316\uff0cFiberChek Probe \u663e\u5fae\u955c\u662f\u4e00\u6b3e\u624b\u6301\u5f0f\u89e3\u51b3\u65b9\u6848\uff0c\u80fd\u591f\u81ea\u52a8\u5bf9\u7126\u3001\u81ea\u52a8\u8fdb\u884c\u901a\u8fc7\/\u5931\u8d25\u5206\u6790\u3001\u81ea\u52a8\u8fdb\u884c\u6570\u636e\u5b58\u50a8\u548c\u81ea\u52a8\u5b8c\u6210\u7ea4\u68c0\u6d4b\u5de5\u4f5c\u6d41\u3002<\/p><p>\u5149\u7ea4\u6d4b\u8bd5\u5728\u7f51\u7edc\u5efa\u8bbe\u8fc7\u7a0b\u4e2d\u81f3\u5173\u91cd\u8981\uff0c\u65e0\u8bba\u662f\u5728\u5b89\u88c5\u590d\u7528\u5668\/\u89e3\u590d\u7528\u5668\u8bbe\u5907\u4e4b\u524d\u8fd8\u662f\u4e4b\u540e\uff0c\u90fd\u662f\u4e3a\u4e86\u786e\u4fdd\u7b2c\u4e00\u65f6\u95f4\u5f00\u901a\u4e1a\u52a1\u548c\u53ef\u9760\u7684\u7f51\u7edc\u3002\u4f20\u7edf\u7684\u5149\u7ea4\u6d4b\u8bd5\u5de5\u5177\uff0c\u4f8b\u5982 VFL \u548c\u5149\u7ea4\u672b\u7aef\u68c0\u6d4b\u5de5\u5177\uff0c\u53ef\u4ee5\u4e0e\u4f20\u7edf\u7684 OTDR \u6d4b\u8bd5\u8bbe\u5907\u4e00\u8d77\u4f7f\u7528\uff0c\u8be5\u8bbe\u5907\u4f7f\u7528\u6807\u51c6\u7684 1310\/1550 \u7eb3\u7c73\u6d4b\u8bd5\u6ce2\u957f\uff0c\u4ee5\u5bf9\u8fde\u63a5\/\u63a5\u5408\u70b9\u4e4b\u95f4\u7684\u8ddd\u79bb\u548c\u635f\u8017\u8fdb\u884c\u7279\u5f81\u5206\u6790\uff0c\u5e76\u53d1\u73b0\u8bf8\u5982 DWDM \u7f51\u7edc\u4e2d\u7684\u4e3b\u8981\/\u6838\u5fc3\/\u666e\u901a\u5149\u7ea4\u4e2d\u7684\u8fc7\u5ea6\u5149\u635f\u8017\u548c\u5f2f\u66f2\u7b49\u95ee\u9898\u3002<\/p><p>\u4e00\u65e6\u590d\u7528\u5668\/\u89e3\u590d\u7528\u5668\u8fde\u63a5\u5b8c\u6210\uff0c\u6807\u51c6\/\u4f20\u7edf OTDR \u5de5\u5177\u5c31\u53d8\u5f97\u4e0d\u90a3\u4e48\u6709\u7528\u4e86\uff0c\u56e0\u4e3a\u590d\u7528\u5668\/\u89e3\u590d\u7528\u5668\u8bbe\u5907\u7684\u672c\u8d28\u5c31\u662f\u963b\u6321\uff08\u8fc7\u6ee4\u6389\uff091310 \u548c 1550 \u7eb3\u7c73\u7684\u6ce2\u957f\u3002\u7aef\u5230\u7aef DWDM \u94fe\u8def\u7684\u7279\u5f81\u5206\u6790\u9700\u8981\u66f4\u4e13\u4e1a\u7684 OTDR\uff0c\u8fd9\u4e9b OTDR \u5728\u7cbe\u786e\u7684 DWDM \u670d\u52a1\u6ce2\u957f\u4e0a\u8fd0\u884c\uff0c\u4ee5\u4fbf\u5b83\u4eec\u53ef\u4ee5\u9a8c\u8bc1\u7279\u5b9a\u7684\u8def\u7531\u3002\u4f8b\u5982\uff0cVIAVI DWDM OTDR \u6a21\u5757\u662f\u4e00\u4e2a\u53ef\u8c03\u7684 C \u6ce2\u6bb5 OTDR\uff0c\u5b83\u53ef\u4ee5\u505a\u5230\u8fd9\u4e00\u70b9\uff0c\u5e76\u5141\u8bb8\u901a\u8fc7\u590d\u7528\u5668\u548c\u89e3\u590d\u7528\u5668\u5bf9 DWDM \u94fe\u8def\u8fdb\u884c\u7aef\u5230\u7aef\u7684\u7279\u5f81\u5206\u6790\u3002\u5177\u6709\u96c6\u6210\u7684\u53ef\u8c03\u8c10\u6fc0\u5149\u6e90\uff08\u901a\u8fc7 OTDR \u6d4b\u8bd5\u7aef\u53e3\uff09\u8fd8\u53ef\u4ee5\u5728\u670d\u52a1\u5f00\u901a\u4e4b\u524d\u8fdb\u884c\u57fa\u672c\u7684\u8fde\u7eed\u6027\u6d4b\u8bd5\u3002\u667a\u80fd\u94fe\u8def\u6620\u5c04 (SLM) \u529f\u80fd\u63d0\u4f9b\u4e86\u57fa\u4e8e\u56fe\u6807\u7684 OTDR \u8ddf\u8e2a\u89c6\u56fe\uff0c\u4ee5\u7b80\u5316\u6d4b\u8bd5\u7ed3\u679c\u7684\u89e3\u91ca\uff0c\u5e76\u6e05\u695a\u5730\u8bc6\u522b\u5e38\u89c1\u7684 DWDM \u94fe\u8def\u7ec4\u4ef6\/\u5143\u4ef6\u548c\u4efb\u4f55\u6545\u969c\u3002<\/p><p><strong>DWDM <\/strong><strong>\u5f00\u901a\u6d4b\u8bd5<\/strong><strong><\/strong><\/p><p>\u4e3a\u4e86\u9a8c\u8bc1\u5b9e\u65f6\u57ce\u57df\/\u63a5\u5165\u94fe\u8def\u4e0a\u7684\u4fe1\u9053\u6027\u80fd\u548c\u6ce2\u957f\u914d\u7f6e\uff0c\u53ef\u4ee5\u4f7f\u7528 DWDM \u5149\u4fe1\u9053\u68c0\u67e5\u5668\u6a21\u5757\u6765\u51c6\u786e\u8bc4\u4f30\u6574\u4e2a\u9891\u8c31\u7684\u6ce2\u957f\u548c\u529f\u7387\u3002<\/p><p>\u5149\u8c31\u5206\u6790\u4eea (OSA) \u662f\u6709\u6e90\u7cfb\u7edf\u7684\u9644\u52a0\u5de5\u5177\uff0c\u53ef\u4ee5\u9a8c\u8bc1\u4f20\u8f93\u6ce2\u957f\u548c\u529f\u7387\u7535\u5e73\uff0c\u6700\u91cd\u8981\u7684\u662f\u9a8c\u8bc1 OSNR\u3002OSA-110 \u7cfb\u5217 OSA \u6a21\u5757\u662f\u7d27\u51d1\u578b CWDM \u548c DWDM \u6d4b\u8bd5\u89e3\u51b3\u65b9\u6848\uff0c\u4e0e MTS-6000A \u548c -8000 \u5e73\u53f0\u517c\u5bb9\u3002OSA-110 \u5177\u6709\u5168\u6ce2\u6bb5\u6d4b\u91cf\u80fd\u529b\u3001\u9ad8\u5149\u5b66\u5206\u8fa8\u7387\u548c \u00b1.05 \u7eb3\u7c73\u7684\u5185\u7f6e\u6821\u51c6\u7cbe\u5ea6\u3002<\/p><p><strong>\u5229\u7528\u8fdc\u7a0b\u5149\u7ea4\u6d4b\u8bd5\u7cfb\u7edf\u548c<\/strong><strong> DWDM <\/strong><strong>\u8fdb\u884c\u7f51\u7edc\u76d1\u63a7<\/strong><strong><\/strong><\/p><p>\u786c\u4ef6\uff1a \u8fdc\u7a0b\u5149\u7ea4\u6d4b\u8bd5\u7cfb\u7edf\u53ef\u4ee5\u5728\u673a\u67b6\u5b89\u88c5\u5f0f\u89e3\u51b3\u65b9\u6848\u4e2d\u63d0\u4f9b\u5168\u5929\u5019 OTDR \u76d1\u63a7\u3002 \u81ea\u52a8\u5316\u7684\u673a\u67b6\u5b89\u88c5\u5f0f\u5149\u7ea4\u6d4b\u8bd5\u5355\u5143\u53ef\u7528\u4e8e\u901a\u8fc7\u626b\u63cf\u4f8b\u7a0b\u6d4b\u8bd5\u6216\u6309\u9700\u6d4b\u8bd5\u6765\u6d4b\u8bd5\u627f\u8f7d DWDM \u4f20\u8f93\u7684\u5149\u7ea4\uff0c\u4ee5\u4fbf\u9488\u5bf9 5G\u3001FTTH \u548c\u9ad8\u901f\u5546\u4e1a\u670d\u52a1\u7684\u7279\u5b9a\u6545\u969c\u6392\u67e5\u548c\u6062\u590d\u4f7f\u7528\u6848\u4f8b\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p><p>VIAVI \u6d4b\u8bd5\u8bbe\u5907\uff08\u4f8b\u5982 1625-1650 \u7eb3\u7c73\u7684 OTU-5000\uff09\u65e8\u5728\u6d4b\u8bd5\u4e0d\u5e72\u6270\u6d3b\u52a8 DWDM \u4f20\u8f93\u7684\u5e26\u5916\u6ce2\u957f\u3002 \u8fd9\u4e9b\u6ce2\u957f\u4fdd\u7559\u7528\u4e8e\u6d4b\u8bd5\u3002\u5e26\u6709\u53ef\u8c03\u8c10 DWDM \u6a21\u5757\u7684 OTU-8000 \u80fd\u591f\u6d4b\u8bd5 DAA \u7f51\u7edc\u4e2d\u7684\u591a\u4e2a\u5206\u652f\uff0c\u4ece\u800c\u53ef\u4ee5\u5728\u5206\u914d\u7ed9\u89e3\u590d\u7528\u5668\u4e4b\u5916\u7684\u8282\u70b9\u7684\u7279\u5b9a\u4f20\u8f93\u6ce2\u957f\u7684\u5e26\u5185\u8fdb\u884c\u6d4b\u8bd5\uff0c\u6216\u8005\u5728\u4e3a\u6d4b\u8bd5\u4fdd\u7559\u7684\u6ce2\u957f\u7684\u5e26\u5916\u8fdb\u884c\u6d4b\u8bd5\u3002 \u51ed\u501f\u8d85\u8fc7 1000 \u4e2a\u7aef\u53e3\u7684\u53ef\u6269\u5c55\u6027\uff0c\u4e24\u4e2a\u5149\u5b66\u6d4b\u8bd5\u5934\u90fd\u91ca\u653e\u4e86\u5b9d\u8d35\u7684\u6280\u672f\u8d44\u6e90\uff0c\u540c\u65f6\u901a\u8fc7\u96c6\u6210\u7684\u5730\u56fe\u529f\u80fd\u63d0\u4f9b\u8be6\u7ec6\u3001\u5373\u65f6\u7684\u6545\u969c\u8b66\u62a5\u548c\u4f4d\u7f6e\u8be6\u7ec6\u4fe1\u606f\u3002<\/p><p>\u8f6f\u4ef6\uff1a\u7528\u4e8e\u6838\u5fc3\u7f51\u3001\u63a5\u5165\u7f51\u3001\u57ce\u57df\u7f51\u548c FTTH \u5e94\u7528\u7684 ONMSi \u8fdc\u7a0b\u5149\u7ea4\u6d4b\u8bd5\u7cfb\u7edf\u662f\u63a7\u5236\u548c\u8ddf\u8e2a OTU&nbsp; \u83b7\u5f97\u7684\u6240\u6709\u6570\u636e\u7684\u8f6f\u4ef6\u3002 \u5b83\u65e8\u5728\u8ba9\u60a8\u7684\u56e2\u961f\u5728\u6574\u4e2a\u7f51\u7edc\u8303\u56f4\u5185\u67e5\u770b\u5149\u7ea4\u8fd0\u884c\u72b6\u51b5\u548c\u56e2\u961f\u89e3\u51b3\u8fdb\u5ea6\uff0c\u5c06\u5176\u4f5c\u4e3a\u57fa\u672c\u6d4b\u8bd5\u89e3\u51b3\u65b9\u6848\uff0c\u4e3a\u6574\u4e2a\u7f51\u7edc\u5b8c\u6574\u6027\u6570\u636e\u5efa\u7acb\u4e00\u4e2a\u96c6\u4e2d\u5316\u3001\u9ad8\u53ef\u89c1\u6027\u7684\u95e8\u6237\u3002\u8fd9\u5305\u62ec\u6784\u5efa\u6d4b\u8bd5\u3001\u957f\u671f\u6027\u80fd\u76d1\u63a7\u548c\u5165\u4fb5\u68c0\u6d4b\uff08\u5b89\u5168\uff09\u3002<\/p><p>\u5bf9\u4e8e\u7f51\u7edc\u4e2d\u7684\u8f83\u5c0f\u3001\u4e13\u7528\u6216\u5355\u4e00\u94fe\u8def\uff0c\u4f8b\u5982\u6570\u636e\u4e2d\u5fc3\u548c\u5de5\u4e1a\u573a\u6240\uff0cSmartOTU \u8f6f\u4ef6\u662f\u4e00\u4e2a\u72ec\u7acb\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u53ef\u7528\u4e8e\u8fde\u7eed\u7684\u5728\u7ebf\u5149\u7ea4\u6216\u6697\u5149\u7ea4\u76d1\u63a7\u548c\u6545\u969c\u68c0\u6d4b\u3002SmartOTU \u5f00\u7bb1\u5373\u53ef\u90e8\u7f72\uff0c\u65e0\u9700\u670d\u52a1\u5668\u6216\u8fdb\u884c\u57f9\u8bad\u3002<\/p><p><strong>DWDM <\/strong><strong>\u6545\u969c\u6392\u67e5<\/strong><strong><\/strong><\/p><p>\u5b9a\u4f4d\u548c\u4fee\u590d\u6545\u969c\u5bc6\u96c6\u6ce2\u5206\u590d\u7528 (DWDM) \u5728\u4e0d\u4e2d\u65ad\u73b0\u6709\u6d41\u91cf\u7684\u60c5\u51b5\u4e0b\u5feb\u901f\u8fde\u63a5\u7f51\u7edc\uff0c\u662f\u907f\u514d\u8fc7\u5ea6\u505c\u673a\u6216 SLA \u635f\u5931\u7684\u5173\u952e\u3002\u7279\u5b9a\u6ce2\u957f\u7684 OTDR \u6d4b\u8bd5\u53ef\u4ee5\u5728\u5b9e\u65f6\u7f51\u7edc\u4e0a\u8fdb\u884c\uff0c\u4ee5\u907f\u514d\u670d\u52a1\u4e2d\u65ad\u3002\u5149\u901a\u9053\u68c0\u67e5\u5668 (OCC) \u548c OSA \u4e5f\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u529f\u7387\u548c\u6ce2\u957f\u5206\u6790\u6765\u7cbe\u786e\u5b9a\u4f4d\u5f02\u5e38\uff0c\u4ece\u800c\u6210\u4e3a\u6709\u4ef7\u503c\u7684\u6545\u969c\u6392\u67e5\u5de5\u5177\u3002\u6d4b\u8bd5\u89e3\u51b3\u65b9\u6848\u5305\u62ec\u9a8c\u8bc1 SFP\/SFP+ \u6536\u53d1\u5668\u7684\u9644\u52a0\u529f\u80fd\uff0c\u751a\u81f3\u5bf9\u53ef\u8c03\u6536\u53d1\u5668\u8bbe\u5907\u8fdb\u884c\u7f16\u7a0b\uff0c\u5c06\u663e\u8457\u7f29\u77ed\u5e73\u5747\u7ef4\u4fee\u65f6\u95f4 (MTTR)\u3002<\/p><h1 class=\"wp-block-heading\">VIAVI \u7684 DWDM \u89e3\u51b3\u65b9\u6848<\/h1><p>VIAVI \u7684\u7aef\u5230\u7aef\u6d4b\u8bd5\u89e3\u51b3\u65b9\u6848\u51fa\u73b0\u5728\u5236\u9020\u548c\u5b9e\u9a8c\u5ba4\u73af\u5883\u7684\u65e9\u671f\u9636\u6bb5\uff0c\u5e76\u5728\u6574\u4e2a\u7f51\u7edc\u751f\u547d\u5468\u671f\u4e2d\u6301\u7eed\u589e\u503c\u3002\u5728\u73b0\u573a\uff0c\u8fdc\u7a0b\u5149\u7ea4\u6d4b\u8bd5\u548c\u76d1\u63a7\u89e3\u51b3\u65b9\u6848\uff08\u4f8b\u5982 ONMSi&nbsp; \u548c XPERTrak\uff09\u901a\u8fc7\u62a5\u8b66\u5e2e\u52a9\u5b9a\u4f4d\u95ee\u9898\u3001\u533a\u5206\u5149\u7ea4\u4e0e\u7f51\u7edc\u5143\u4ef6\u4ee5\u53ca\u6839\u636e\u7279\u5b9a\u6ce2\u957f\u7684\u9700\u6c42\u8fdb\u884c\u6545\u969c\u6392\u67e5\uff0c\u4ece\u800c\u5e2e\u52a9\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u6301\u7eed\u7684\u670d\u52a1\u95ee\u9898\u3001OPEX \u548c MTTR\u3002<\/p><p>\u7531\u4e8e\u80fd\u591f\u5feb\u901f\u51c6\u786e\u5730\u8bc4\u4f30\u4efb\u4f55\u901a\u9053\uff0c\u8fd0\u8425\u5546\u53ef\u4ee5\u5728\u6b63\u786e\u5b89\u88c5\u7684\u7f51\u7edc\u94fe\u8def\u548c\u627f\u5305\u5546\u9a8c\u6536\u4e2d\u83b7\u5f97\u4fe1\u5fc3\uff0c\u8fd9\u4e0e\u6301\u7eed\u7684\u6027\u80fd\u4fdd\u8bc1\u76f8\u4e00\u81f4\u3002DWDM OTDR \u6a21\u5757\u3001\u4fe1\u9053\u68c0\u67e5\u5668\u548c OSA \u6d4b\u8bd5\u89e3\u51b3\u65b9\u6848\u5171\u540c\u589e\u5f3a\u4e86\u8fd9\u79cd\u786e\u5b9a\u6027\uff0c\u5e76\u63d0\u9ad8\u4e86\u9996\u6b21\u5f00\u901a\u6210\u529f\u7387\u3002<\/p><p>\u901a\u8fc7\u5b89\u88c5 DWDM \u590d\u7528\u5668\/\u89e3\u590d\u7528\u5668\u9a8c\u8bc1\u5149\u7ea4\u548c\u4fe1\u9053\u5b8c\u6574\u6027\uff0c\u5e76\u9a8c\u8bc1\u65b0\u7684\u6ce2\u957f\u914d\u7f6e\uff0c\u53ef\u4ee5\u6ee1\u8db3\u4efb\u4f55 DWDM \u7f51\u7edc\u62d3\u6251\u7684\u64cd\u4f5c\u8981\u6c42\u3002\u4e0d\u540c\u6ce2\u957f\u7684\u5149\u8c31\u548c\u6f02\u79fb\u6d4b\u8bd5\u662f\u989d\u5916\u7684\u529f\u80fd\uff0c\u4ece\u5b9e\u9a8c\u5ba4\u5230\u670d\u52a1\u542f\u52a8\uff0c\u6700\u7ec8\u5ef6\u4f38\u5230\u6210\u529f\u7684 DWDM \u7f51\u7edc\u90e8\u7f72\u7684\u76d1\u63a7\u3001\u7ef4\u62a4\u548c\u5b9e\u65f6\u7f51\u7edc\u6545\u969c\u6392\u67e5\u5b9e\u8df5\u3002<\/p><p>\u5f53\u4eca\u7f51\u7edc\u7684\u6027\u80fd\u8981\u6c42\u6bd4\u4ee5\u5f80\u4efb\u4f55\u65f6\u5019\u90fd\u66f4\u52a0\u4e25\u683c\uff0c\u5728\u6574\u4e2a\u7f51\u7edc\u751f\u547d\u5468\u671f\u4e2d\uff0c\u4ece\u5b9e\u9a8c\u5ba4\u548c\u751f\u4ea7\u73af\u5883\u5bf9\u8bbe\u5907\u548c\u7f51\u7edc\u8fdb\u884c\u6d4b\u8bd5\u7684\u9700\u6c42\u81f3\u5173\u91cd\u8981\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u5728\u8fc7\u53bb\u7684 40 \u5e74\u4e2d\uff0c\u968f\u7740\u5236\u9020\u6280\u672f\u7684\u7a81\u7834\u6d88\u9664\u4e86\u9650\u5236\u6027\u80fd\u7684\u6c34\u5cf0\uff0c\u540c\u65f6\u6ce2\u957f\u5229\u7528\u7387\u548c\u8c03\u5236\u683c\u5f0f\u7ee7\u7eed\u4ee5\u6307\u6570\u7ea7\u589e\u52a0\u627f\u8f7d\u80fd\u529b\uff0c\u5355\u6a21\u5149\u7ea4\u7684\u7269\u7406\u7279\u6027\u6301\u7eed\u53d1\u5c55\u3002\u5bc6\u96c6\u6ce2\u5206\u590d\u7528 (DWDM) 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