{"id":2934,"date":"2021-03-22T11:57:06","date_gmt":"2021-03-22T03:57:06","guid":{"rendered":"http:\/\/www.comtest.cn\/?p=2934"},"modified":"2021-03-22T11:57:10","modified_gmt":"2021-03-22T03:57:10","slug":"%e6%95%b0%e6%8d%ae%e4%b8%ad%e5%bf%83%e7%bb%bc%e5%90%88%e5%b8%83%e7%ba%bf-aoc-%e5%92%8c-dac-%e6%b5%8b%e8%af%95%e4%b8%8e%e5%ae%89%e8%a3%85%e6%96%b0%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"http:\/\/www.comtest.cn\/?p=2934","title":{"rendered":"\u6570\u636e\u4e2d\u5fc3\u7efc\u5408\u5e03\u7ebf AOC \u548c DAC  \u6d4b\u8bd5\u4e0e\u5b89\u88c5\u65b0\u65b9\u6cd5"},"content":{"rendered":"<p><strong>\u4f5c\u8005\uff1aVIAVI Solutions       \u9ad8\u7ea7\u4ea7\u54c1\u7ecf\u7406 Guylain Barlow<\/strong><\/p><p>\u6570\u636e\u4e2d\u5fc3\u662f\u6d77\u91cf\u4fe1\u606f\u4ea4\u6362\u7684\u573a\u6240\uff0c\u56e0\u6b64\uff0c\u5728\u6570\u636e\u4e2d\u5fc3\u4e2d\uff0c\u5173\u952e\u8981\u6c42\u662f\u8981\u6269\u5c55\u5bb9\u91cf\u3002\u5728\u6570\u636e\u4e2d\u5fc3\u5185\uff0c \u9664\u4e86\u5bf9\u7535\u6e90\u3001\u51b7\u5374\u3001\u5b58\u50a8\u548c\u4ea4\u6362\u7684\u8981\u6c42\u5916\uff0c\u5b9e\u7528\u800c\u9ad8\u6548\u7684\u5e03\u7ebf\u4e5f\u5fc5\u4e0d\u53ef\u5c11\u3002\u6570\u636e\u4e2d\u5fc3\u5927\u81f4\u53ef\u5212\u5206\u4e3a\u8d85\u5927\u89c4\u6a21\u6570\u636e\u4e2d\u5fc3\u3001\u591a\u79df\u6237\u6570\u636e\u4e2d\u5fc3\u548c\u79c1\u6709\u6570\u636e\u4e2d\u5fc3\u3002\u5c3d\u7ba1\u672c\u4e3b\u9898\u7279\u522b\u9002\u7528\u4e8e\u8d85\u5927\u89c4\u6a21\u6570\u636e\u4e2d\u5fc3\uff0c\u4f46\u672c\u6587\u4e2d\u4ecb\u7ecd\u7684\u7ebf\u7f06\uff0c\u5373\u6709\u6e90\u5149\u7f06 (AOC) \u548c\u76f4\u8fde\u94dc\u7f06 (DAC) \u9002\u7528\u4e8e\u6240\u6709\u8fd9\u4e09\u7c7b\u6570\u636e\u4e2d\u5fc3\u3002\u672c\u5e94\u7528\u6307\u5357\u4ecb\u7ecd\u4e86\u4e00\u4e9b\u5b9e\u7528\u7684\u64cd\u4f5c\u6ce8\u610f\u4e8b\u9879\uff0c\u4f8b\u5982\u5728\u6570\u636e\u4e2d\u5fc3\u5bf9 AOC \u548c DAC \u8fdb\u884c\u9a8c\u8bc1\u4ee5\u8282\u7701\u65f6\u95f4\u5e76\u964d\u4f4e\u6210\u672c\u3002<\/p><h1 class=\"wp-block-heading\">\u6570\u636e\u4e2d\u5fc3\u67b6\u6784<\/h1><p>\u56fe 1 \u4e3e\u4f8b\u8bf4\u660e\u4e86\u4e00\u4e2a\u6570\u636e\u4e2d\u5fc3\u53ca\u5176\u4e0e\u5916\u90e8\u4e16\u754c\u7684\u4e92\u8054\u3002\u6570\u636e\u4e2d\u5fc3\u53ef\u80fd\u6709\u51e0\u79cd\u4e0d\u540c\u7684\u67b6\u6784\uff1a \u67b6\u9876 (TOR) \u67b6\u6784\uff0c\u673a\u67b6\u5185\u4ea4\u6362\u673a\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u5e03\u7ebf\u5373\u5b58\u5728\u4e8e\u8fd9\u4e2a\u67b6\u6784\u4e2d\u3002\u8fd9\u4e00\u67b6\u6784\u7684\u4f18\u70b9\u662f\u53ef\u4ee5\u51cf\u5c11\u603b\u4f53\u5e03\u7ebf\u91cf\uff0c\u800c\u7f3a\u70b9\u662f\uff0c\u4f7f\u7528\u7684\u4ee5\u592a\u7f51\u4ea4\u6362\u673a\u7aef\u53e3\u6570\u5c40\u9650\u5728\u4e00\u4e2a\u673a\u67b6\u5185\uff0c\u5219\u6548\u7387\u4f1a\u6709\u6240\u964d\u4f4e\u3002<\/p><p>\u5217\u672b\/\u5217\u4e2d (EOR\/MOR) \u914d\u7f6e\uff0c\u5728\u8fd9\u79cd\u914d\u7f6e\u4e2d\uff0c\u4ea4\u6362\u673a\u7aef\u53e3\u96c6\u4e2d\u5728\u4e00\u8d77\uff0c\u901a\u5411\u66f4\u957f\u7684\u7ebf\u7f06\u3002\u6709\u4e24\u79cd EOR\/MOR \u7684\u4f8b\u5b50\uff1a\u5728\u4e00\u79cd\u60c5\u51b5\u4e0b\uff0c\u7ebf\u7f06\u76f4\u63a5\u8fde\u63a5\u5728\u670d\u52a1\u5668\u548c\u4ea4\u6362\u673a\u7aef\u53e3\u4e4b\u95f4\u3002\u5728\u53e6\u4e00\u79cd\u60c5\u51b5\u4e0b\uff0c\u7269\u7406\u8fde\u63a5\u4f1a\u7ecf\u8fc7\u63a5\u63d2\u9762\u677f\uff0c\u8fd9\u79cd\u8fde\u63a5\u65b9\u5f0f\u7684\u4f18\u70b9\u662f\u80fd\u591f\u63d0\u9ad8\u8fde\u63a5\u7075\u6d3b\u6027\uff0c\u800c\u7f3a\u70b9\u662f\u4f1a\u589e\u52a0\u7ebf\u7f06\u6570\u91cf\u3002<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/03\/data-center-cable_01_700.jpg\"><img fetchpriority=\"high\" decoding=\"async\" width=\"700\" height=\"545\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/03\/data-center-cable_01_700.jpg\" alt=\"\" class=\"wp-image-2935\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/03\/data-center-cable_01_700.jpg 700w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/03\/data-center-cable_01_700-300x234.jpg 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/03\/data-center-cable_01_700-600x467.jpg 600w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/03\/data-center-cable_01_700-64x50.jpg 64w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><\/figure><\/div><p class=\"has-text-align-center\">\u56fe 1. \u6570\u636e\u4e2d\u5fc3\u67b6\u6784<\/p><h1 class=\"wp-block-heading\">\u6709\u6e90\u5149\u7f06 AOC<\/h1><p>\u56fe 2 \u4e2d\u6240\u793a\u7684\u6709\u6e90\u5149\u7f06\u5728\u6570\u636e\u4e2d\u5fc3\u4e2d\u7684\u9650\u5b9a\u8303\u56f4\u4e92\u8054\u5e94\u7528\u4e2d\u4f7f\u7528\u3002\u5bf9\u4e8e 40GE \u548c 100GE \u7684\u9ad8\u901f\u94fe\u8def\u800c\u8a00\uff0c\u8fd9\u610f\u5473\u7740\u4f7f\u7528\u5e26\u72b6\u7ebf\u7f06\u4e0a\u7684\u591a\u4e2a\u6570\u636e\u901a\u9053\u3002\u800c\u5bf9\u4e8e 10GE \u6216 25GE\uff0c\u6bcf\u4e2a\u65b9\u5411\u4e00\u6761\u901a\u9053\u6216\u5149\u7ea4\u5c31\u8db3\u591f\u4e86\u3002AOC \u901a\u5e38\u91c7\u7528\u591a\u6a21\u5149\u7ea4\uff0c\u800c\u67d0\u4e9b\uff08\u6bd4\u5982 PSM4\uff09\u5219\u4f7f\u7528\u5355\u6a21\u5149\u7ea4\u3002\u4e00\u4e2a\u5173\u952e\u7279\u6027\u662f\uff1aAOC \u91c7\u7528\u4e0e\u53ef\u63d2\u62d4\u5149\u5b66\u5668\u4ef6\u76f8\u540c\u7684\u8fde\u63a5\u5668\uff0c\u5e76\u5728\u7ebf\u7f06\u7684\u6bcf\u4e00\u7aef\u6267\u884c\u5149\u7535\u8f6c\u6362\u3002\u5b9e\u9645\u5e94\u7528\u65f6\uff0c40GE \u548c 100GE \u4e3a QSFP \u7aef\u63a5\uff0c10GE \u548c 25GE \u4e3a SFP \u7aef\u63a5\u3002\u56e0\u6b64\uff0cAOC \u662f\u6709\u6e90\u7684\uff0c\u5e76\u4e14\u9664\u4e86\u5149\u7f06\u4e4b\u5916\u8fd8\u5305\u62ec\u6536\u53d1\u5668\u3001\u63a7\u5236\u82af\u7247\u548c\u6a21\u5757\u3002AOC \u7ebf\u7f06\u7684\u957f\u5ea6\u662f\u56fa\u5b9a\u7684\uff0c\u6700\u77ed\u53ea\u6709\u51e0\u7c73\uff0c\u4e5f\u6709\u53ef\u80fd\u8fbe\u5230 100 \u7c73\u4ee5\u4e0a\u3002\u4ece\u6280\u672f\u4e0a\u800c\u8a00\uff0cAOC \u4e0d\u5fc5\u7b26\u5408\u67d0\u79cd\u4ee5\u592a\u7f51\u63a5\u53e3\u7c7b\u578b\u7684\u8981\u6c42\uff0c\u5c3d\u7ba1\u8bb8\u591a\u4eba\u5728\u5176\u7f16\u7801\u4fe1\u606f\u90fd\u5efa\u8bae\u91c7\u7528\u7279\u5b9a\u7c7b\u578b\uff1b\u8868 1 \u5217\u51fa\u4e86\u53ef\u80fd\u7684\u4ee5\u592a\u7f51\u63a5\u53e3\u7c7b\u578b\u3002\u5728\u8be5\u8868\u4e2d\uff0cRS-FEC \u4ee3\u8868 Reed-Solomon \u524d\u5411\u7ea0\u9519\uff1b\u8fd9\u79cd\u6570\u5b57\u673a\u5236\u65e8\u5728\u901a\u8fc7\u5411\u4fe1\u53f7\u4e2d\u6dfb\u52a0\u5197\u4f59\uff0c\u5728\u8fdc\u7aef\u5b9e\u73b0\u7801\u5b57\u7684\u81ea\u6211\u7ea0\u9519\uff0c\u4ece\u800c\u5ef6\u957f\u4f20\u8f93\u8ddd\u79bb\u3002\u5728\u6307\u5b9a\u7528\u4e8e\u7ebf\u7f06\u65f6\uff0cRS-FEC \u7b97\u6cd5\u8fd0\u884c\u5728\u7269\u7406\u8fde\u63a5\u6bcf\u4e00\u7aef\u7684\u4ee5\u592a\u7f51\u4ea4\u6362\u673a\u548c\u670d\u52a1\u5668\u4e0a\u3002<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/03\/data-center-cable_02.jpg\"><img decoding=\"async\" width=\"338\" height=\"226\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/03\/data-center-cable_02.jpg\" alt=\"\" class=\"wp-image-2936\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/03\/data-center-cable_02.jpg 338w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/03\/data-center-cable_02-300x201.jpg 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/03\/data-center-cable_02-285x190.jpg 285w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/03\/data-center-cable_02-64x43.jpg 64w\" sizes=\"(max-width: 338px) 100vw, 338px\" \/><\/a><\/figure><\/div><p class=\"has-text-align-center\">\u56fe 2. AOC \u7ebf\u7f06<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/03\/data-center-cable_03.jpg\"><img decoding=\"async\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/03\/data-center-cable_03.jpg\" alt=\"\" class=\"wp-image-2937\" width=\"516\" height=\"251\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/03\/data-center-cable_03.jpg 516w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/03\/data-center-cable_03-300x146.jpg 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/03\/data-center-cable_03-64x31.jpg 64w\" sizes=\"(max-width: 516px) 100vw, 516px\" \/><\/a><\/figure><\/div><p class=\"has-text-align-center\">\u56fe3. AOC \u5206\u652f\u7ebf\u7f06<\/p><p class=\"has-text-align-center\">\u8868 1 \u4ee5\u592a\u7f51\u63a5\u53e3\u7c7b\u578b<\/p><figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u4ee5\u592a\u7f51\u901f\u7387<\/strong><strong><\/strong><\/td><td><strong>\u63a5\u53e3\u7c7b\u578b<\/strong><strong><\/strong><\/td><td><strong>\u6700\u957f\u8ddd\u79bb<\/strong><strong><\/strong><\/td><td><strong>\u4ecb\u8d28<\/strong><strong><\/strong><\/td><td><strong>\u5149\u7ea4\u6570<\/strong><strong>\/<\/strong><strong>\u6ce2\u957f<\/strong><strong><\/strong><\/td><td><strong>\u6ce2\u957f\u8303\u56f4<\/strong><strong><\/strong><\/td><td><strong>RS-FEC<\/strong><\/td><td><strong>\u53ef\u63d2\u62d4\u7c7b\u578b<\/strong><strong><\/strong><\/td><\/tr><tr><td>100GE<\/td><td>CWDM4 MSA<\/td><td>2\u5343\u7c73<\/td><td>SMF<\/td><td>\u6bcf\u4e2a\u65b9\u54114 \u03bb<\/td><td>1310nm<\/td><td>\u662f<\/td><td>QSFP28<\/td><\/tr><tr><td>&nbsp;<\/td><td>CLR4\u8054\u76df<\/td><td>2\u5343\u7c73<\/td><td>SMF<\/td><td>\u6bcf\u4e2a\u65b9\u54114 \u03bb<\/td><td>1310nm<\/td><td>\u53ef\u9009<\/td><td>QSFP28<\/td><\/tr><tr><td>&nbsp;<\/td><td>PSM4 MSA<\/td><td>500\u7c73<\/td><td>SMF<\/td><td>\u6bcf\u4e2a\u65b9\u54114 \u6761\u5149\u7ea4<\/td><td>1310nm<\/td><td>\u662f<\/td><td>QSFP28<\/td><\/tr><tr><td>&nbsp;<\/td><td>SWDM4\u8054\u76df<\/td><td>75\u7c73 100\u7c73 150\u7c73<\/td><td>OM3 MMF OM4 MMF OM5 MMF<\/td><td>\u6bcf\u4e2a\u65b9\u54114 \u03bb<\/td><td>850nm<\/td><td>\u662f<\/td><td>QSFP28<\/td><\/tr><tr><td>&nbsp;<\/td><td>100GBASE-SR4<\/td><td>70\u7c73 100\u7c73<\/td><td>OM3 MMF OM4 MMF<\/td><td>\u6bcf\u4e2a\u65b9\u5411 4 \u6761\u5149\u7ea4<\/td><td>850nm<\/td><td>\u662f<\/td><td>QSFP28<\/td><\/tr><tr><td>&nbsp;<\/td><td>100GBASE CR4<\/td><td>5\u7c73<\/td><td>\u53cc\u8f74\u7ebf\u7f06<\/td><td>\u6bcf\u4e2a\u65b9\u5411 4 \u6761\u7ebf\u7f06<\/td><td>\u4e0d\u9002\u7528<\/td><td>\u662f<\/td><td>QSFP28<\/td><\/tr><tr><td>40GE<\/td><td>SWDM4\u8054\u76df<\/td><td>240\u7c73 350\u7c73 440\u7c73<\/td><td>OM3 MMF OM4 MMF OM5 MMF<\/td><td>\u6bcf\u4e2a\u65b9\u5411 4 \u03bb<\/td><td>850nm<\/td><td>\u5426<\/td><td>QSFP+<\/td><\/tr><tr><td>&nbsp;<\/td><td>40GBASE-SR4<\/td><td>100\u7c73 150\u7c73<\/td><td>OM3 MMF OM4 MMF<\/td><td>\u6bcf\u4e2a\u65b9\u5411 4 \u6761\u5149\u7ea4<\/td><td>850nm<\/td><td>\u5426<\/td><td>QSFP+<\/td><\/tr><tr><td>&nbsp;<\/td><td>40GBASE CR4<\/td><td>7\u7c73<\/td><td>\u53cc\u8f74\u7ebf\u7f06<\/td><td>\u6bcf\u4e2a\u65b9\u5411 4 \u6761\u7ebf\u7f06<\/td><td>\u4e0d\u9002\u7528<\/td><td>\u5426<\/td><td>QSFP+<\/td><\/tr><tr><td>25GE<\/td><td>25GBASE-SR<\/td><td>70\u7c73 100\u7c73<\/td><td>OM3 MMF OM4 MMF<\/td><td>\u6bcf\u4e2a\u65b9\u5411 1 \u6761\u5149\u7ea4<\/td><td>850nm<\/td><td>\u662f<\/td><td>SFP28<\/td><\/tr><tr><td>&nbsp;<\/td><td>25GBASE CR<\/td><td>5\u7c73<\/td><td>\u53cc\u8f74\u7ebf\u7f06<\/td><td>\u6bcf\u4e2a\u65b9\u5411 1 \u6761\u7ebf\u7f06<\/td><td>\u4e0d\u9002\u7528<\/td><td>\u662f<\/td><td>SFP28<\/td><\/tr><tr><td>&nbsp;<\/td><td>25GBASE CR-S<\/td><td>3\u7c73<\/td><td>\u53cc\u8f74\u7ebf\u7f06<\/td><td>\u6bcf\u4e2a\u65b9\u5411 1 \u6761\u7ebf\u7f06<\/td><td>\u4e0d\u9002\u7528<\/td><td>\u5426<\/td><td>SFP28<\/td><\/tr><tr><td>10GE<\/td><td>10GBASE-SR<\/td><td>33\u7c73 400\u7c73<\/td><td>62.5\u03bcm MMF 50\u03bcm MMF<\/td><td>\u6bcf\u4e2a\u65b9\u5411 1 \u6761\u5149\u7ea4<\/td><td>850nm<\/td><td>\u5426<\/td><td>SFP+<\/td><\/tr><tr><td>&nbsp;<\/td><td>10GBASE- CR<\/td><td>15\u7c73<\/td><td>\u53cc\u8f74\u7ebf\u7f06<\/td><td>\u6bcf\u4e2a\u65b9\u5411 1 \u6761\u7ebf\u7f06<\/td><td>\u4e0d\u9002\u7528<\/td><td>\u5426<\/td><td>SFP+<\/td><\/tr><\/tbody><\/table><\/figure><h1 class=\"wp-block-heading\">\u76f4\u8fde\u94dc\u7f06 DAC<\/h1><p>\u56fe 3 \u4e2d\u6240\u793a\u7684\u76f4\u8fde\u94dc\u7f06 (DAC) \u662f\u4e00\u79cd\u66ff\u4ee3\u65b9\u6848\uff0cDAC\u7ebf\u7f06\u662f\u7531\u94dc\u800c\u4e0d\u662f\u5149\u7ea4\u5236\u6210\u7684\u3002DAC \u53ef\u80fd\u662f\u65e0\u6e90\u7684\uff0c\u7528\u4e8e\u7535\u6c14\u76f4\u8fde\uff0c\u800c\u5982\u679c DAC \u7684\u5185\u7f6e\u8fde\u63a5\u5668\u4e2d\u96c6\u6210\u4e86\u4fe1\u53f7\u5904\u7406\u7535\u8def\uff0c\u5219\u5b83\u4e5f\u53ef\u80fd\u662f\u6709\u6e90\u7684\u3002\u5982\u540c AOC \u4e00\u6837\uff0cDAC \u53ef\u901a\u8fc7 SFP \u6216 QSFP \u7aef\u63a5\uff0c\u5177\u4f53\u60c5\u51b5\u53d6\u51b3\u4e8e\u7ebf\u8def\u901f\u7387\u3002\u4e0e DAC \u7ebf\u7f06\u76f8\u6bd4\uff0cAOC \u7ebf\u7f06\u652f\u6301\u66f4\u957f\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u529f\u8017\u66f4\u4f4e\uff0c\u5e76\u4e14\u66f4\u52a0\u8f7b\u5de7\u3002\u4e0d\u8fc7\uff0c\u5b83\u4eec\u7684\u6210\u672c\u66f4\u9ad8\uff0c\u5e76\u4e14\u5149\u7ea4\u4e0e\u94dc\u7f06\u76f8\u6bd4\u66f4\u6613\u635f\u574f\u3002\u4e0e\u8fde\u63a5\u5230\u53ef\u63d2\u62d4\u5149\u5b66\u5668\u4ef6\u7684\u4f20\u7edf\u5149\u7f06\u76f8\u6bd4\uff0cAOC \u7ebf\u7f06\u7b80\u5316\u4e86\u5b89\u88c5\uff0c\u65e0\u9700\u8003\u8651\u4e92\u8054\u635f\u8017\uff0c\u5e76\u4e14\u5728\u8fdb\u884c\u8fde\u63a5\u4e4b\u524d\u4e0d\u518d\u9700\u8981\u6e05\u6d01\u548c\u68c0\u6d4b\u5149\u7ea4\u7aef\u9762\u3002\u4f46\u662f\uff0c\u5728\u524d\u9762\u4ecb\u7ecd\u7684\u4f7f\u7528\u63a5\u63d2\u9762\u677f\u7684 EOR\/MOR \u914d\u7f6e\u4e2d\uff0c\u5219\u4e0d\u80fd\u4f7f\u7528 AOC \u7ebf\u7f06\u3002<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/03\/data-center-cable_04.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"345\" height=\"204\" src=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/03\/data-center-cable_04.jpg\" alt=\"\" class=\"wp-image-2938\" srcset=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/03\/data-center-cable_04.jpg 345w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/03\/data-center-cable_04-300x177.jpg 300w, http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/03\/data-center-cable_04-64x38.jpg 64w\" sizes=\"(max-width: 345px) 100vw, 345px\" \/><\/a><\/figure><\/div><p class=\"has-text-align-center\">\u56fe 4. DAC \u7ebf\u7f06<\/p><h1 class=\"wp-block-heading\">\u64cd\u4f5c\u96be\u9898<\/h1><p>\u7531\u4e8e AOC \u548c DAC \u7ebf\u7f06\u6ca1\u6709\u63d0\u4f9b\u5bf9\u5b9e\u9645\u5149\u7ea4\u6216\u94dc\u7f06\u5e03\u7ebf\u7684\u6d4b\u8bd5\u901a\u8def\uff0c\u56e0\u6b64\u65e0\u6cd5\u4f7f\u7528\u4f20\u7edf\u7684\u4ecb\u8d28\u6d4b\u8bd5\u548c\u8ba4\u8bc1\u5de5\u5177\u6765\u8ba4\u8bc1\u7ebf\u7f06\u3002\u4f5c\u4e3a\u66ff\u4ee3\uff0c\u5fc5\u987b\u8981\u4f7f\u7528\u53ef\u63a5\u53d7\u53cc SFP\/QSFP \u6536\u53d1\u5668\u5e76\u53ef\u751f\u6210\u548c\u5206\u6790\u6d41\u91cf\u7684\u6d4b\u8bd5\u5de5\u5177\u3002\u4e3a\u4e86\u786e\u4fdd\u4efb\u4f55\u7f51\u7edc\u6027\u80fd\u95ee\u9898\u90fd\u4e0d\u662f\u7531 AOC\/DAC \u7ebf\u7f06\u6216\u5176\u5b89\u88c5\u6240\u5bfc\u81f4\u7684\uff0cAOC \u548c DAC \u6d4b\u8bd5\u662f\u5173\u952e\u6b65\u9aa4\u3002\u8981\u8003\u8651\u5230\u8fd9\u4e00\u70b9\uff1a\u4e0e\u63d0\u524d\u6d4b\u8bd5\u7ebf\u7f06\u76f8\u6bd4\uff0c\u5728\u5b89\u88c5\u4e4b\u540e\u5bf9\u6545\u969c\u7ebf\u7f06\u8fdb\u884c\u6545\u969c\u6392\u67e5\u6210\u672c\u66f4\u52a0\u9ad8\u6602\u3002\u4e00\u65b9\u9762\uff0c\u5fc5\u987b\u8981\u8ddf\u8e2a\u548c\u5b9a\u4f4d\u8fdc\u7aef\u3002AOC\/DAC \u7ebf\u7f06\u6545\u969c\u539f\u56e0\u5305\u62ec\u7b80\u5355\u7684\u5236\u9020\u7f3a\u9677\uff08\u6781\u6027\u9519\u8bef\u6216\u98a0\u5012\uff09\uff0c\u6216\u8005\u5728\u88c5\u8fd0\u8fc7\u7a0b\u4e2d\u8d34\u9519\u6807\u7b7e\u6216\u635f\u574f\u3002\u5bf9\u4e8e AOC\uff0c\u7ebf\u7f06\u53ef\u80fd\u4f1a\u7531\u4e8e\u8fc7\u5ea6\u5f2f\u66f2\uff0c\u4ece\u800c\u5bfc\u81f4\u9ad8\u635f\u8017\u6216\u8005\u5149\u7ea4\u635f\u574f\u3002\u800c\u5bf9\u4e8e DAC \u800c\u8a00\uff0c\u53ef\u80fd\u4f1a\u5b58\u5728 EMI \u964d\u7ea7\u60c5\u51b5\uff0c\u4ece\u800c\u5bfc\u81f4\u6bd4\u7279\u8bef\u7801\u7387\u8fc7\u9ad8\u3002\u5728\u5b89\u88c5\u4e4b\u524d\uff0c\u6280\u672f\u4eba\u5458\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528\u914d\u5907\u53cc\u7aef\u53e3 SFP\/QSFP \u7684\u6d4b\u8bd5\u8bbe\u5907\u5bf9\u6240\u6709 AOC\/DAC \u7ebf\u7f06\u8fdb\u884c\u6d4b\u8bd5\uff0c\u6216\u8005\u5bf9\u67d0\u4e00\u6279\u6b21\u6536\u5230\u7684\u90e8\u5206\u7ebf\u7f06\u8fdb\u884c\u7b80\u5355\u7684\u62bd\u6837\u6d4b\u8bd5\u3002\u4ec5\u4ec5\u662f\u56e0\u4e3a\u4e24\u4e2a\u7ebf\u7f06\u8fde\u63a5\u5668\u672b\u7aef\u4e4b\u95f4\u8ddd\u79bb\u7684\u539f\u56e0\uff0c\u5c31\u9700\u8981\u4e24\u53f0\u8bbe\u5907\u624d\u80fd\u5bf9\u5df2\u5b89\u88c5\u7684\u7ebf\u7f06\u8fdb\u884c\u6545\u969c\u6392\u67e5\u3002<\/p><h1 class=\"wp-block-heading\">\u6bd4\u7279\u8bef\u7801\u7387\u6d4b\u8bd5<\/h1><p>\u6700\u7b80\u5355\u9ad8\u6548\u7684\u7ebf\u7f06\u6d4b\u8bd5\u65b9\u5f0f\u662f\u8fd0\u884c\u4e00\u79cd\u6d4b\u8bd5\u6a21\u5f0f\uff0c\u5176\u7ed3\u679c\u53ef\u4e0e\u6bd4\u7279\u8bef\u7801\u7387 (BER) \u9608\u503c\u8fdb\u884c\u6bd4\u8f83\u3002AOC \u548c DAC \u7ebf\u7f06\u7684\u6280\u672f\u6570\u636e\u8868\u4e0a\u901a\u5e38\u4f1a\u6709 BER \u8bc4\u7ea7\uff0c\u7279\u522b\u662f\u8fd9\u4e9b\u7ebf\u7f06\u5c06\u4e0e\u91c7\u7528\u4e86 RS-FEC \u7b97\u6cd5\u7684\u8bbe\u5907\u4e00\u8d77\u4f7f\u7528\u65f6\u3002\u6b64 BER \u8bc4\u7ea7\u53d6\u51b3\u4e8e\u7ebf\u7f06\u7684\u7c7b\u578b\u3001\u7ebf\u8def\u901f\u7387\u4ee5\u53ca\u4ee5\u592a\u7f51\u63a5\u53e3\u7684\u7c7b\u578b\u3002\u5982\u679c\u7ebf\u7f06\u5c06\u7528\u4e8e\u6709 RS-FEC \u7684\u6d41\u91cf\u4f20\u8f93\uff08\u901f\u7387\u901a\u5e38\u4e3a 100GE \u548c 25GE\uff09\uff0c\u5219\u4f1a\u6709\u8bef\u7801\u7ea0\u9519\u524d\u7684\u8bc4\u7ea7\u548c\u8bef\u7801\u7ea0\u9519\u540e\u7684\u8bc4\u7ea7\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5efa\u8bae\u4f7f\u7528\u63a5\u8fd1\u4e8e\u7ebf\u7f06 BER \u7684\u7ea0\u524d BER \u9608\u503c\u6267\u884c\u7ebf\u7f06\u6d4b\u8bd5\uff0c\u8981\u6c42\u6d4b\u91cf\u7684 BER \u5c0f\u4e8e\u9608\u503c\u3002\u5bf9\u4e8e\u672a\u4f7f\u7528 RS-FEC \u7684 40GE \u548c 10GE \u7ebf\u7f06\uff0c\u9884\u671f BER \u9608\u503c\u5fc5\u987b\u5c0f\u5f88\u591a\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u7535\u8def\u4e0a\u6ca1\u6709\u8bef\u7801\u7ea0\u9519\u673a\u5236\u3002\u5728\u8fd9\u4e9b\u60c5\u51b5\u4e0b\uff0c\u5982\u679c AOC \u6216 DAC \u6ca1\u6709 BER \u8bc4\u7ea7\uff0c\u5219\u5efa\u8bae\u7684\u9608\u503c BER \u4e3a 10^-12\u3002\u5bf9\u4e8e 10Gbps \u6216\u66f4\u9ad8\u7684\u7ebf\u8def\u901f\u7387\uff0c\u6bcf\u6761\u7ebf\u7f06\u4e00\u5206\u949f\u7684\u6d4b\u8bd5\u65f6\u95f4\u5df2\u7ecf\u5b8c\u5168\u8db3\u4ee5\u83b7\u53d6\u6709\u610f\u4e49\u7684 BER \u7ed3\u679c\u3002\u7ebf\u7f06\u6d4b\u8bd5\u7684\u6700\u4f73\u5b9e\u8df5\u8fc7\u7a0b\u5c06\u4f1a\u751f\u6210\u6d4b\u8bd5\u62a5\u544a\uff0c\u5176\u4e2d\u5305\u62ec\u53ef\u4ece AOC \u6216 DAC \u7ebf\u7f06\u4e2d\u8bfb\u53d6\u7684\u7ebf\u7f06\u6807\u8bc6\u7b26\uff0c\u4f8b\u5982\u5e8f\u5217\u53f7\u3002\u603b\u800c\u8a00\u4e4b\uff0c\u4e3a\u4e86\u786e\u4fdd\u7ebf\u7f06\u5728\u8fde\u63a5\u5230\u6570\u636e\u4e2d\u5fc3\u4e2d\u7684\u4ea4\u6362\u673a\u548c\u670d\u52a1\u5668\u65f6\u80fd\u591f\u6b63\u5e38\u5de5\u4f5c\uff0c\u4f9d\u636e AOC \u6216 DAC \u7ebf\u7f06\u7684\u76ee\u6807 BER \u9608\u503c\u5bf9\u8fd9\u4e9b\u7ebf\u7f06\u8fdb\u884c\u6d4b\u8bd5\u662f\u4e00\u79cd\u6709\u610f\u4e49\u7684\u65b9\u6cd5\u3002<\/p><h1 class=\"wp-block-heading\">VIAVI MTS 5800-100G<\/h1><p>\u4e3a\u4e86\u6d4b\u8bd5 AOC \u548c DAC \u7ebf\u7f06\uff0cVIAVI \u5f00\u53d1\u4e86\u4e00\u4e2a\u96c6\u6210\u811a\u672c\u6765\u81ea\u52a8\u5b8c\u6210\u7ebf\u7f06\u7ec4\u4ef6\u6d4b\u8bd5\u3002\u56fe 4 \u4e2d\u6240\u793a\u7684 VIAVI MTS 5800-100G \u80fd\u4ee5\u9ad8\u8fbe 112Gbps \u7684\u7ebf\u8def\u901f\u7387\u63d0\u4f9b\u5168\u529f\u80fd\u6d4b\u8bd5\u30025800-100G \u652f\u6301\u53cc\u7aef\u53e3\u7684\u6240\u6709\u4ee5\u592a\u7f51\u901f\u7387\uff0c\u5176\u4e2d\u5305\u62ec 10\/100\/1000BASE-T\u3001\u5149 GE\u300110GE\u300125GE\u300140GE \u548c 100GE\u3002\u9664\u4e86\u57ce\u57df\u7f51\u3001\u4e3b\u5e72\u7f51\u548c\u6570\u636e\u4e2d\u5fc3\u4e92\u8054\u5916\uff0c\u6280\u672f\u4eba\u5458\u8fd8\u53ef\u5bf9\u5305\u62ec AOC\/DAC \u7ebf\u7f06\u7684\u8bb8\u591a\u5e94\u7528\u8fdb\u884c\u6d4b\u8bd5\u3002\u5c3d\u7ba1\u5c3a\u5bf8\u4e0d\u5927\uff0c\u4f46 5800-100G \u53ef\u6267\u884c\u4ece DS1\/E1 \u5230 OTU4 \u7684\u6d4b\u8bd5\uff0c\u5305\u62ec CPRI\u3001\u5149\u7ea4\u901a\u9053\u3001PDH\u3001SONET\/SDH\u3001OTN \u548c\u4ee5\u592a\u7f51\u3002\u6b64\u5916\uff0c5800 \u5e73\u53f0\u8fd8\u53ef\u6269\u5c55\u652f\u6301 OTDR \u6a21\u5757\u3001\u81ea\u52a8\u5bf9\u7126\u7684\u5149\u7ea4\u7aef\u9762\u68c0\u6d4b\u4ee5\u53ca\u9ad8\u7ea7\u5b9a\u65f6\u548c\u540c\u6b65\u529f\u80fd\u3002StrataSync \u652f\u6301\u6240\u6709\u8fd9\u4e9b\u5de5\u5177\uff0c\u5b83\u53ef\u63d0\u4f9b\u57fa\u4e8e\u4e91\u7684\u8d44\u4ea7\u7ba1\u7406\u3001\u914d\u7f6e\u548c\u62a5\u544a\uff0c\u8f7b\u677e\u5b9e\u73b0\u7ba1\u7406\u548c\u5171\u4eab\u30025800-100G \u662f\u4e00\u5957\u5b8c\u6574\u7684\u6d4b\u8bd5\u548c\u6d4b\u91cf\u89e3\u51b3\u65b9\u6848\uff0c\u53ef\u652f\u6301\u6570\u636e\u4e2d\u5fc3\u4e2d\u7528\u6237\u5bf9\u6570\u636e\u4e2d\u5fc3\u7684\u5404\u79cd\u9700\u6c42\uff0c\u5305\u62ec AOC \u548c DAC \u7ebf\u7f06\u6d4b\u8bd5\u3002<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><a href=\"http:\/\/www.comtest.cn\/wp-content\/uploads\/2021\/03\/data-center-cable_05_450.jpg\"><img loading=\"lazy\" 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