{"id":225,"date":"2019-07-28T00:07:53","date_gmt":"2019-07-28T00:07:53","guid":{"rendered":"http:\/\/www.jayjaydream.com\/?p=225"},"modified":"2019-08-11T13:51:15","modified_gmt":"2019-08-11T13:51:15","slug":"%e7%ac%ac%e4%ba%8c%e7%ab%a0%e6%95%b0%e6%8d%ae%e9%80%9a%e4%bf%a1%e5%9f%ba%e7%a1%80%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b02","status":"publish","type":"post","link":"https:\/\/www.jayjaydream.com\/?p=225","title":{"rendered":"\u8f6f\u8003\u7f51\u7edc\u5de5\u7a0b\u5e08\u5907\u8003\u5b66\u4e60\u7b14\u8bb02-\u7b2c\u4e8c\u7ae0\u6570\u636e\u901a\u4fe1\u57fa\u7840"},"content":{"rendered":"

\u7b2c\u4e8c\u7ae0\u6570\u636e\u901a\u4fe1\u57fa\u7840\u76ee\u5f55<\/strong><\/h2>\n

2.1\u6570\u636e\u901a\u4fe1\u7684\u57fa\u672c\u6982\u5ff5<\/strong>
\n2.2\u4fe1\u9053\u7279\u6027<\/strong>
\n2.2.1\u4fe1\u9053\u5e26\u5bbd
\n2.2.2\u8bef\u7801\u7387
\n2.2.3\u4fe1\u9053\u5ef6\u8fdf
\n2.3\u4f20\u8f93\u4ecb\u8d28<\/strong>
\n2.3.1\u53cc\u7ede\u7ebf
\n2.3.2\u540c\u8f74\u7535\u7f06
\n2.3.3\u5149\u7f06
\n2.3.4\u65e0\u7ebf\u4fe1\u9053
\n2.4\u6570\u636e\u7f16\u7801<\/strong>
\n2.5\u6570\u5b57\u8c03\u5236\u6280\u672f<\/strong>
\n2.6\u8109\u51b2\u7f16\u7801\u8c03\u5236<\/strong>
\n2.6.1\u53d6\u6837
\n2.6.2\u91cf\u5316
\n2.6.3\u7f16\u7801
\n2.7\u901a\u4fe1\u65b9\u5f0f\u548c\u4ea4\u6362\u65b9\u5f0f<\/strong>
\n2.7.1\u6570\u636e\u901a\u4fe1\u65b9\u5f0f
\n2.7.2\u4ea4\u6362\u65b9\u5f0f
\n2.8\u591a\u8def\u590d\u7528\u6280\u672f<\/strong>
\n2.8.1\u9891\u5206\u591a\u8def\u590d\u7528
\n2.8.2\u65f6\u5206\u591a\u8def\u590d\u7528
\n2.8.3\u6ce2\u5206\u591a\u8def\u590d\u7528
\n2.8.4\u6570\u5b57\u4f20\u8f93\u7cfb\u7edf
\n2.8.5\u540c\u6b65\u6570\u5b57\u7cfb\u5217
\n2.9\u5dee\u9519\u63a7\u5236<\/strong>
\n2.9.1\u68c0\u9519\u7801
\n2.9.2\u6d77\u660e\u7801
\n2.9.3\u5faa\u73af\u5197\u4f59\u6821\u9a8c\u7801<\/p>\n

\u7b2c\u4e8c\u7ae0\u6570\u636e\u901a\u4fe1\u57fa\u7840\u5b66\u4e60\u7b14\u8bb0<\/strong><\/h2>\n

\u4e00\u3001\u6570\u636e\u901a\u4fe1\u57fa\u672c\u6982\u5ff5<\/p>\n

\u4e8c\u3001\u6570\u636e\u901a\u4fe1\u8ba1\u7b97<\/p>\n

\u4e09\u3001\u901a\u4fe1\u4f20\u8f93\u4ecb\u8d28<\/p>\n

\u56db\u3001\u6570\u636e\u8c03\u8bd5\u4e0e\u7f16\u7801<\/p>\n

\u4e94\u3001\u6570\u636e\u901a\u4fe1\u65b9\u5f0f<\/p>\n

\u516d\u3001\u6570\u636e\u4ea4\u6362\u65b9\u5f0f<\/p>\n

\u4e03\u3001\u591a\u8def\u590d\u7528\u6280\u672f<\/p>\n

\u516b\u3001\u6570\u5b57\u4f20\u8f93\u6807\u51c6<\/p>\n

\u4e5d\u3001\u6570\u636e\u5dee\u9519\u63a7\u5236<\/p>\n

\u4e00\u3001\u6570\u636e\u901a\u4fe1\u57fa\u672c\u6982\u5ff5<\/strong><\/h3>\n

\u57fa\u672c\u6982\u5ff5\uff1a\u4fe1\u6e90\u3001\u4fe1\u9053\u3001\u4fe1\u5bbf\uff1b\u6570\u5b57\u4fe1\u53f7\u3001\u6a21\u62df\u4fe1\u53f7\uff1b\u6a21\u62df\u901a\u4fe1\u3001\u6570\u5b57\u901a\u4fe1\uff08\u4fe1\u9053\u4e2d\u4f20\u9001\uff09\u3002<\/p>\n

\u6a21\u62df\u6570\u636e\u53d6\u8fde\u7eed\u503c<\/p>\n

\u6570\u5b57\u6570\u636e\u53d6\u79bb\u6563\u503c<\/p>\n

\n\n\n\n\n\n\n
\u4fe1\u6e90<\/td>\n\u4fe1\u9053<\/td>\n<\/tr>\n
\u6a21\u62df\u901a\u4fe1<\/td>\n\u6a21\u62df<\/td>\n\u6a21\u62df<\/td>\n<\/tr>\n
\u6570\u5b57\u901a\u4fe1<\/td>\n\u6a21\u62df<\/td>\n\u6570\u5b57<\/td>\n<\/tr>\n
\u6570\u636e\u901a\u4fe1<\/td>\n\u6570\u5b57<\/td>\n\u6570\/\u6a21<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u4e8c\u3001\u6570\u636e\u901a\u4fe1\u8ba1\u7b97<\/strong><\/h3>\n

\u6a21\u62df\u4fe1\u9053\u5e26\u5bbd\u8ba1\u7b97\uff1aW = f2 – f1,\u5176\u4e2df1\u662f\u4f4e\u9891\uff0cf2\u662f\u9ad8\u9891<\/p>\n

\u6570\u5b57\u4fe1\u9053\u5e26\u5bbd\u8ba1\u7b97\uff1a<\/p>\n

\u5948\u594e\u65af\u7279\u5b9a\u7406 \uff08\u65e0\u566a\u58f0\uff09
\nB = 2W \u00a0 \u00a0B\u4e3a\u7801\u5143\u4f20\u8f93\u901f\u7387 \u00a0 \u00a0W\u4e3a\u5e26\u5bbd<\/p>\n

PS\uff1a\u5bf9\u6570\u8ba1\u7b97<\/p>\n

\u9999\u519c\u5b9a\u7406\uff08\u6709\u566a\u58f0\uff09
\n\u5176\u4e2d\uff0cC\u4e3a\u6570\u636e\u901f\u7387\uff0cW\u4e3a\u4fe1\u9053\u5e26\u5bbd\uff0cS\u4e3a\u4fe1\u53f7\u7684\u5e73\u5747\u529f\u7387\uff0cN\u4e3a\u566a\u58f0\u5e73\u5747\u529f\u7387\uff0cS\/N\u4e3a\u4fe1\u566a\u6bd4\uff08\u4e00\u822c\u7528dB\u6765\u8868\u793a\uff09\u3002<\/p>\n

\u5206\u8d1d\u4e0e\u4fe1\u566a\u6bd4\u7684\u5173\u7cfb\uff1a<\/p>\n

\u4fe1\u9053\u7684\u6570\u636e\u901f\u7387\u8ba1\u7b97\u516c\u5f0f\u5982\u4e0b\u56fe<\/p>\n

\u5e38\u7528\u8003\u8bd5\u6570\u636e\uff1a<\/p>\n

\u4fe1\u9053\u5ef6\u8fdf\uff1a\u7535\u7f06\u4fe1\u9053\u5ef6\u8fdf200m\/us \u00a0 \u00a0200km\/ms \u00a0 \u00a0200 000km\/s<\/p>\n

\u536b\u661f\u4fe1\u9053\u65f6\u5ef6\u5927\u7ea6\u662f270ms<\/p>\n

\u4e09\u3001\u901a\u4fe1\u4f20\u8f93\u4ecb\u8d28<\/h3>\n

1\u3001\u53cc\u7ede\u7ebf
\n(TwistedPairwire, TP)\u7531\u4e24\u6839\uff08\u4e00\u5bf9\uff09\u5177\u6709\u7edd\u7f18\u4fdd\u62a4\u5c42\u768422\u300123\u300124\u300126\u53f7\u7edd\u7f18\u94dc\u5bfc\u7ebf\u6309\u7167\u4e00\u5b9a\u5bc6\u5ea6\u4e92\u76f8\u626d\u7ede\u800c\u6210\u3002<\/p>\n

\u6bcf\u5bf9\u5bfc\u7ebf\u5728\u6bcf\u82f1\u5bf8\u957f\u5ea6\u4e0a\u76f8\u4e92\u7f20\u7ed5\u7684\u6b21\u6570\u51b3\u5b9a\u4e86\u6297\u5e72\u6270\u7684\u80fd\u529b\u548c\u901a\u4fe1\u7684\u8d28\u91cf\u3002<\/p>\n

\u4e3a\u4e86\u964d\u4f4e\u4fe1\u53f7\u5e72\u6270\u7684\u7a0b\u5ea6\uff0c\u53cc\u7ede\u7ebf\u7684\u626d\u7ede\u957f\u5ea6\u4e00\u822c\u63a7\u5236\u57283.8cm\uff081.5\u82f1\u5bf8\uff09\u523014cm\uff085.5\u82f1\u5bf8\uff09\u6807\u51c6\u8303\u56f4\u5185\uff0c\u5e76\u6309\u9006\u65f6\u9488\uff08\u5de6\u624b\uff09\u65b9\u5411\u626d\u7ede\uff0c\u76f8\u90bb\u7ebf\u5bf9\u7684\u626d\u7ede\u957f\u5ea6\u57281.27cm\uff081\/2\u82f1\u5bf8\uff09\u4ee5\u4e0a\u3002<\/p>\n

\u5206\u7c7b\uff1a<\/p>\n

\u975e\u5c4f\u853d\u53cc\u7ede\u7ebf (Unshielded Twisted Pair\uff0cUTP)<\/p>\n

\u5c4f\u853d\u53cc\u7ede\u7ebf (Shielded Twisted Pair\uff0cSTP)<\/p>\n

\u975e\u5c4f\u853d\u53cc\u7ede\u7ebf(Unshielded Twisted Pair, UTP)\u53ea\u5728\u5851\u6599\u7edd\u7f18\u5c01\u5957\u5185\u5305\u88f9\u7edd\u7f18\u94dc\u5bfc\u7ebf\u5bf9\uff0c\u6ca1\u6709\u5c4f\u853d\u5c42\uff0c\u6bcf\u5bf9\u5bfc\u7ebf\u76f8\u4e92\u7f20\u7ed5\u3002<\/p>\n

UTP\u5177\u6709\u8f83\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff08\u5982\uff1a\u4e94\u7c7bUTP\u5728100m\u5185\u53ef\u8fbe\u5230100Mbps\uff0c\u516d\u7c7bUTP\u5728100m\u5185\u53ef\u8fbe\u52301000Mbps\uff09\uff1b<\/p>\n

UTP\u4ef7\u683c\u76f8\u5bf9\u4fbf\u5b9c\uff0c\u91cd\u91cf\u8f7b\u3001\u6613\u5f2f\u66f2\u3001\u5177\u6709\u963b\u71c3\u6027\u3001\u6613\u5b89\u88c5\uff0c\u7ec4\u7f51\u7075\u6d3b\u3002<\/p>\n

\u5c4f\u853d\u53cc\u7ede\u7ebf\uff08Shielded Twisted Pair\uff0cSTP\uff09\u4f7f\u7528\u91d1\u5c5e\u7b94\u6216\u91d1\u5c5e\u7f51\u5305\u88f9\u7f51\u7ebf\u5185\u90e8\u7684\u4fe1\u53f7\u7ebf\uff0c\u5728\u5c4f\u853d\u5c42\u5916\u9762\u518d\u5305\u88f9\u7edd\u7f18\u5916\u76ae\u3002<\/p>\n

\u6839\u636e\u5c4f\u853d\u65b9\u5f0f\u7684\u4e0d\u540c\uff0c\u5c4f\u853d\u53cc\u7ede\u7ebf\u53c8\u5206\u4e3a\uff1a<\/p>\n

STP\uff08ShieldedTwisted-Pair\uff09\uff1a\u662f\u6307\u6bcf\u6761\u7ebf\u5bf9\u90fd\u6709\u5404\u81ea\u5c4f\u853d\u5c42\u3002<\/p>\n

FTP\uff08Foil Twisted-Pair\uff09\uff1a\u662f\u6240\u6709\u7ebf\u5bf9\u91c7\u7528\u6574\u4f53\u5c4f\u853d\u3002<\/p>\n

STP\u5177\u6709\u8f83\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u5982\uff1a\u4e94\u7c7bSTP\u5728100m\u5185\u53ef\u8fbe\u5230155Mbps\u3002<\/p>\n

\u6297\u5e72\u6270\u6027\u597d\u3002<\/p>\n

\u5b89\u88c5\u65f6\u9700\u8981\u4e13\u7528\u8fde\u63a5\u5668\u548c\u5de5\u5177\u3002<\/p>\n

\u53cc\u7ede\u7ebf\u7684\u89c4\u683c\u578b\u53f7<\/p>\n

\u7efc\u5408\u5e03\u7ebf\u5de5\u7a0b\u5e38\u7528\u7684\u53cc\u7ede\u7ebf<\/p>\n

\u8d85\u4e94\u7c7bUTP\u53cc\u7ede\u7ebf\u7684\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\u4e3a100m<\/p>\n

\u7a81\u7834100\u4f20\u8f93\u6781\u9650\u7684\u65b9\u6cd5\uff1a\u52a0\u88c5\u4ea4\u6362\u673a\u6216HUB\uff0c\u53ef\u4ee5\u5ef6\u4f38\u81f3500\u7c73<\/p>\n

\u53cc\u7ede\u7ebf\u7684\u7ebf\u5e8f\u6807\u51c6\uff0c\u73b0\u591a\u91c7\u7528T568A<\/p>\n

\u8001\u6b3e\u8bbe\u5907\u4e4b\u524d\u533a\u5206\u4ea4\u53c9\u7ebf\u76f4\u901a\u7ebf\uff0c\u73b0\u4ee3\u8bbe\u5907\u53ef\u81ea\u52a8\u8bc6\u522b\u7ebf\u5e8f\uff0c\u53ef\u81ea\u52a8\u8c03\u6574<\/p>\n

2\u3001\u540c\u8f74\u7535\u7f06<\/p>\n

\u540c\u8f74\u7535\u7f06\u5206\u7c7b<\/p>\n

\u57fa\u5e26\u540c\u8f74\u7535\u7f06\uff1a\u4e00\u6761\u7535\u7f06\u53ea\u7528\u4e8e\u4e00\u4e2a\u4fe1\u9053\uff0c50\u03a9\uff0c\u7528\u4e8e\u6570\u5b57\u4f20\u8f93\u3002<\/p>\n

\u5bbd\u5e26\u540c\u8f74\u7535\u7f06\uff1a\u4e00\u6761\u7535\u7f06\u540c\u65f6\u4f20\u8f93\u4e0d\u540c\u9891\u7387\u7684\u591a\u8def\u6a21\u62df\u4fe1\u53f7\uff0c75\u03a9\uff0c\u7528\u4e8e\u6a21\u62df\u4f20\u8f93\u3002300~450MHz\uff0c100km\uff0c\u9700\u8981\u653e\u5927\u5668\u3002<\/p>\n

\u7ec6\u540c\u8f74\u7535\u7f06<\/p>\n

\u7279\u6027\u963b\u6297\uff1a50\u03a9\uff0c\u76f4\u5f84D=1.02cm<\/p>\n

\u4f20\u8f93\u901f\u7387\uff1a10Mbps<\/p>\n

\u6bcf\u6bb5\u957f\u5ea6\uff1a185m\uff0c\u53ef\u91c7\u75284\u4e2a\u4e2d\u7ee7\u5668\u5ef6\u4f38\u7f51\u6bb5\u3002<\/p>\n

\u6700\u5927\u4f20\u8f93\u957f\u5ea6\uff1a925m<\/p>\n

3\u3001\u5149\u7ea4
\n\u5149\u7ea4\uff08Fiber Optic Cable\uff09\u4e5f\u79f0\u4e3a\u5149\u5bfc\u7ea4\u7ef4\uff0c\u4ee5\u5149\u8109\u51b2\u7684\u5f62\u5f0f\u6765\u4f20\u8f93\u4fe1\u53f7\u3002<\/p>\n

\u5149\u7ea4\u7684\u88f8\u7ea4\u7531\u7ea4\u7ef4\u82af\u3001\u5305\u5c42\u548c\u6d82\u5c42\u7ec4\u6210\u3002<\/p>\n

\u5149\u7ea4\u7684\u5206\u7c7b\uff1a<\/p>\n

(1)\u6309\u7167\u5236\u9020\u5149\u7ea4\u6240\u7528\u7684\u6750\u6599\u5206<\/p>\n

a.\u77f3\u82f1\u73bb\u7483\u5149\u7ea4<\/p>\n

b.\u591a\u6210\u5206\u73bb\u7483\u5149\u7ea4<\/p>\n

c.\u5851\u6599\u5305\u5c42\u77f3\u82f1\u82af\u5149\u7ea4<\/p>\n

d.\u5168\u5851\u6599\u5149\u7ea4<\/p>\n

d.\u6c1f\u5316\u7269\u5149\u7ea4<\/p>\n

\u76ee\u524d\u901a\u4fe1\u4e2d\u666e\u904d\u4f7f\u7528\u7684\u662f\u77f3\u82f1\u73bb\u7483\u5149\u7ea4\u548c\u591a\u6210\u5206\u73bb\u7483\u5149\u7ea4\u3002<\/p>\n

(2)\u6309\u7167\u5149\u5728\u5149\u7ebf\u4e2d\u7684\u4f20\u8f93\u6a21\u5f0f\u5206<\/p>\n

a.\u591a\u6a21MMF \u591a\u675f\u5149\u7ea4\u4ee5\u4e0d\u540c\u7684\u53cd\u5c04\u89d2\u4f20\u64ad<\/p>\n

\u591a\u6a21\u5149\u7ea4\uff08Multi Mode Fiber\uff0cMMF\uff09\uff1a<\/p>\n

\u4ee5\u53d1\u5149\u4e8c\u6781\u7ba1\u6216\u6fc0\u5149\u4f5c\u5149\u6e90\u3002<\/p>\n

\u7ea4\u82af\u8f83\u7c97\uff0c\u7ea4\u82af\u76f4\u5f84\u670950\u03bcm\u548c62.5\u03bcm\u4e24\u79cd\u89c4\u683c\u3002<\/p>\n

\u5305\u5c42\u5916\u76f4\u5f84\u5747\u4e3a125\u03bcm\u3002<\/p>\n

\u9002\u7528\u4e8e\u77ed\u8ddd\u79bb\u4e0e\u4f4e\u901f\u901a\u4fe1\uff0c\u4f20\u8f93\u8ddd\u79bb\u4e00\u822c\u57282km\u4ee5\u5185\u3002<\/p>\n

b.\u5355\u6a21SMF \u5355\u675f\u5149\u7ebf\u6cbf\u76f4\u7ebf\u4f20\u64ad<\/p>\n

\u5355\u6a21\u5149\u7ea4\uff08Single Mode Fiber\uff0cSMF\uff09\uff1a<\/p>\n

\u4ee5\u6fc0\u5149\u4f5c\u5149\u6e90\u3002<\/p>\n

\u7ea4\u82af\u8f83\u7ec6\uff0c\u7ea4\u82af\u76f4\u5f84\u67098.3\u03bcm\u30019\u03bcm\u548c10\u03bcm\u4e09\u79cd\u89c4\u683c\u3002<\/p>\n

\u5305\u5c42\u5916\u76f4\u5f84\u5747\u4e3a125\u03bcm\u3002<\/p>\n

\u9002\u7528\u4e8e\u957f\u8ddd\u79bb\u4e0e\u9ad8\u901f\u901a\u4fe1\uff0c\u4f20\u8f93\u8ddd\u79bb\u4e00\u822c\u57282km\u4ee5\u4e0a\u3002<\/p>\n

(3)\u6309\u6700\u4f73\u4f20\u8f93\u9891\u7387\u7a97\u53e3\u5206<\/p>\n

\u5e38\u89c4\u578b\u5355\u6a21\u5149\u7ea4\uff1a\u5149\u7ea4\u751f\u4ea7\u5382\u5bb6\u5c06\u5149\u7ea4\u4f20\u8f93\u9891\u7387\u6700\u4f73\u5316\u5728\u5355\u4e00\u6ce2\u957f\u7684\u5149\u4e0a\uff0c\u5982\uff1a1310nm\u3002<\/p>\n

\u8272\u6563\u4f4d\u79fb\u578b\u5355\u6a21\u5149\u7ea4\uff1a\u5149\u7ea4\u751f\u4ea7\u5382\u5bb6\u5c06\u5149\u7ea4\u4f20\u8f93\u9891\u7387\u6700\u4f73\u5316\u5728\u4e24\u4e2a\u6ce2\u957f\u7684\u5149\u4e0a\uff0c\u5982\uff1a1310nm\u548c1550nm\u3002<\/p>\n

(4)\u6309\u5149\u7ea4\u7684\u5de5\u4f5c\u6ce2\u957f\u5206<\/p>\n

850nm\u6ce2\u957f\u533a\uff1a\u591a\u6a21\u901a\u4fe1\u6240\u7528\u7684800\uff5e900nm \u77ed\u6ce2\u6bb5\u3002<\/p>\n

1300nm\u6ce2\u957f\u533a\uff1a\u5355\u6a21\u6216\u591a\u6a21\u901a\u4fe1\u6240\u7528\u76841250nm\uff5e1350nm\u957f\u6ce2\u6bb5\u3002<\/p>\n

1500nm\u6ce2\u957f\u533a\uff1a\u5355\u6a21\u901a\u4fe1\u6240\u7528\u76841530nm\uff5e1580nm\u957f\u6ce2\u6bb5\u3002<\/p>\n

\u76ee\u524d\u8ba1\u7b97\u673a\u7f51\u7edc\u4e3b\u5e72\u7ebf\u8def\u548c\u5ba4\u5916\u8fde\u63a5\u5149\u7ea4\u7684\u5de5\u4f5c\u6ce2\u957f\u901a\u5e38\u91c7\u7528850nm\u30011310nm\u548c1550nm\u4e09\u79cd\u6ce2\u957f\u3002<\/p>\n

(5)\u6309\u6298\u5c04\u7387\u5206\u5e03\u60c5\u51b5\u5206<\/p>\n

\u8df3\u53d8\u5f0f\u5149\u7ea4\uff1a\u7ea4\u82af\u7684\u6298\u5c04\u7387\u548c\u5305\u5c42\u7684\u6298\u5c04\u7387\u90fd\u662f\u4e00\u4e2a\u5e38\u6570\u3002\u5728\u7ea4\u82af\u548c\u5305\u5c42\u7684\u4ea4\u754c\u9762\uff0c\u6298\u5c04\u7387\u5448\u9636\u68af\u578b\u53d8\u5316\u3002<\/p>\n

\u6e10\u53d8\u5f0f\u5149\u7ea4\uff1a\u7ea4\u82af\u7684\u6298\u5c04\u7387\u968f\u7740\u534a\u5f84\u7684\u589e\u52a0\u6309\u4e00\u5b9a\u89c4\u5f8b\u51cf\u5c0f\uff0c\u5728\u7ea4\u82af\u4e0e\u5305\u5c42\u4ea4\u754c\u5904\u51cf\u5c0f\u4e3a\u5305\u5c42\u7684\u6298\u5c04\u7387\u3002\u7ea4\u82af\u7684\u6298\u5c04\u7387\u7684\u53d8\u5316\u8fd1\u4f3c\u4e8e\u629b\u7269\u7ebf\u3002<\/p>\n

\u5149\u7ea4\u4f20\u8f93\u539f\u7406\uff1a<\/p>\n

\u5229\u7528\u5149\u7684\u53cd\u5c04<\/p>\n

\u5149\u4ece\u4e00\u79cd\u4ecb\u8d28\u5165\u5c04\u5230\u53e6\u4e00\u79cd\u4ecb\u8d28\u65f6\u4f1a\u4ea7\u751f\u6298\u5c04\u3002\u6298\u5c04\u91cf\u53d6\u51b3\u4e8e\u4e24\u79cd\u4ecb\u8d28\u7684\u6298\u5c04\u7387\u3002\u5f53\u4ece\u5149\u5bc6\u4ecb\u8d28\u8fdb\u5165\u5149\u758f\u4ecb\u8d28\uff0c\u4e14\u5f53\u5165\u5c04\u89d2\u2265\u4e34\u754c\u503c\u65f6\u4ea7\u751f\u5168\u53cd\u5c04\uff0c\u4e0d\u4f1a\u6cc4\u6f0f\u3002<\/p>\n

\u5149\u4f20\u8f93\u7cfb\u7edf\uff1a\u5149\u6e90\u3001\u4ecb\u8d28\u3001\u5149\u68c0\u6d4b\u5668<\/p>\n

\u5149\u6e90: 850nm\/1300nm\/1500nm\u53d1\u5149\u4e8c\u6781\u7ba1 \/ \u6fc0\u5149\u4e8c\u6781\u7ba1<\/p>\n

\u4ecb\u8d28: \u5149\u7ea4<\/p>\n

\u5149\u68c0\u6d4b\u5668: \u5149\u7535\u4e8c\u6781\u7ba1<\/p>\n

\u5355\u5411\u4f20\u8f93\uff0c\u53cc\u5411\u9700\u4e24\u6839\u5149\u7ea4<\/p>\n

\u5149\u7ea4\u7279\u70b9\uff1a<\/p>\n

\u4f9d\u9760\u5149\u6ce2\u627f\u8f7d\u4fe1\u606f<\/p>\n

\u901f\u7387\u9ad8\uff0c\u901a\u4fe1\u5bb9\u91cf\u5927<\/p>\n

\u4ec5\u53d7\u5149\u7535\u8f6c\u6362\u5668\u4ef6\u7684\u9650\u5236\uff08\uff1e100Gb\/s\uff09<\/p>\n

\u4f20\u8f93\u635f\u8017\u5c0f\uff0c\u9002\u5408\u957f\u8ddd\u79bb\u4f20\u8f93<\/p>\n

\u6297\u5e72\u6270\u6027\u80fd\u6781\u597d\uff0c\u4fdd\u5bc6\u6027\u597d<\/p>\n

\u8f7b\u4fbf<\/p>\n

\u5355\u6a21\u5149\u7ea4\u4e0e\u591a\u6a21\u5149\u7ea4\u5bf9\u6bd4<\/p>\n

4\u3001\u65e0\u7ebf\u4fe1\u9053
\n\u65e0\u7ebf\u4fe1\u9053\uff1a\u5206\u4e3a\u65e0\u7ebf\u7535\u6ce2\u548c\u7ea2\u5916\u5149\u6ce2<\/p>\n

\u56db\u3001\u6570\u636e\u8c03\u8bd5\u4e0e\u7f16\u7801
\n\u6a21\u62df\u4fe1\u9053\u8c03\u5236\uff1a\u5206\u4e3a\u6761\u5e45ASK\u3001\u8c03\u9891FSK\u3001\u8c03\u76f8PSK\u3001\u6b63\u4ea4\u6761\u5e45QAM<\/p>\n

\u6570\u5b57\u4fe1\u9053\u7f16\u7801\uff1a\u5206\u4e3a\u91c7\u6837\uff082\u500d\uff09\u3001\u91cf\u5316\uff08\u7b49\u7ea7\uff09\u3001\u7f16\u7801\uff08\u4e8c\u8fdb\u5236\uff09\u4e09\u4e2a\u6b65\u9aa4\u3002<\/p>\n

\u8c03\u5236\u6280\u672f\u4e0e\u7801\u5143\u6570\uff1a<\/p>\n

\u6781\u6027\u7f16\u7801\uff1a\u5206\u4e3a\u5355\u6781\u6027\u3001\u6781\u6027\u3001\u53cc\u6781\u6027<\/p>\n

\u5f52\u96f6\u6027\u7f16\u7801\uff1a\u5f52\u96f6\u7801\u3001\u4e0d\u5f52\u96f6\u7801\uff08\u90471\u7ffb\u8f6c\uff09\u53cc\u5411\u7801\uff08\u7535\u5e73\u7ffb\u8f6c\uff09<\/p>\n

\u66fc\u5f7b\u65af\u7279\u7f16\u7801\u548c\u5dee\u5206\u87a8\u7279\u65af\u7279\u7f16\u7801\uff1a<\/p>\n

\u66fc\u5f7b\u65af\u7279\u7f16\u7801\u53470\u964d1\uff08\u53471\u964d0\uff09\uff0c\u6548\u738750% \u00a0 \u00a0\u4ee5\u592a\u7f51\u4e2d<\/p>\n

\u5dee\u5206\u66fc\u5f7b\u65af\u7279\u7f16\u7801\u62980\u5e731\uff0c\u6548\u738750% \u00a0 \u00a0\u4ee4\u724c\u73af\u7f51\u4e2d<\/p>\n

\u5404\u79cd\u7f16\u7801\u6548\u7387<\/p>\n

\u4e94\u3001\u6570\u636e\u901a\u4fe1\u65b9\u5f0f<\/h3>\n

\u901a\u4fe1\u65b9\u5411\uff1a
\n\u5355\u5de5\u901a\u4fe1\uff1a\u7535\u89c6<\/p>\n

\u534a\u53cc\u5de5\u901a\u4fe1\uff1a\u5bf9\u8bb2\u673a<\/p>\n

\u5168\u53cc\u5de5\u901a\u4fe1\uff1a\u624b\u673a<\/p>\n

\u4f20\u8f93\u65b9\u5f0f\uff1a
\n\u5f02\u6b65\u4f20\u8f93<\/p>\n

\u540c\u6b65\u4f20\u8f93<\/p>\n

\u516d\u3001\u6570\u636e\u4ea4\u6362\u65b9\u5f0f<\/h3>\n

\u4e09\u79cd\u4ea4\u6362\u65b9\u5f0f\u4f18\u7f3a\u70b9\u5bf9\u6bd4\uff1a<\/p>\n

\u4ea4\u6362\u65b9\u5f0f \u4f18\u70b9 \u7f3a\u70b9
\n\u7535\u8def\u4ea4\u6362
\n\u72ec\u5360\u6027\u3001\u5b9e\u65f6\u6027\uff0c\u9002\u5408\u4f20\u8f93\u5927\u91cf\u7684\u6570\u636e<\/p>\n

\u9700\u5efa\u7acb\u4e00\u6761\u7269\u7406\u8fde\u63a5\uff0c\u5229\u7528\u7387\u4f4e
\n\u62a5\u6587\u4ea4\u6362 \u4e0d\u9700\u8981\u4e13\u7528\u901a\u9053\uff0c\u7ebf\u8def\u5229\u7528\u7387\u9ad8\uff0c\u5b58\u50a8\u8f6c\u53d1\u53ef\u6821\u9a8c\u7ea0\u9519\u3002 \u6709\u901a\u4fe1\u65f6\u5ef6
\n\u5206\u7ec4\u4ea4\u6362
\n\u5229\u7528\u7387\u66f4\u9ad8\uff0c\u53ef\u9009\u8def\u5f84\uff0c\u6570\u636e\u7387\u8f6c\u6362\u3001\u652f\u6301\u4f18\u5148\u7ea7<\/p>\n

\u65f6\u5ef6\u3001\u5f00\u9500\u5927
\n\u5206\u7ec4\u4ea4\u6362\u53c8\u5206\u4e3a\u5206\u7ec4\u865a\u7535\u8def\u3001\u5206\u7ec4\u6570\u636e\u62a5<\/p>\n

\u5206\u7ec4\u4ea4\u6362 \u5206\u7ec4\u865a\u7535\u8def \u4ea4\u4e92\u5f0f\u3001\u903b\u8f91\u8fde\u63a5
\n\u5206\u7ec4\u6570\u636e\u62a5 \u5355\u5411\u4f20\u9001\u3001\u65e0\u8fde\u63a5\u7684
\n\u7535\u8def\u4ea4\u6362\uff1a<\/p>\n

\u62a5\u6587\u4ea4\u6362<\/p>\n

\u5206\u7ec4\u4ea4\u6362<\/p>\n

\u4e03\u3001\u591a\u8def\u590d\u7528\u6280\u672f<\/h3>\n

\u9891\u5206\u591a\u8def\u590d\u7528FDM
\n\u4e0d\u540c\u7684\u9891\u7387\uff0c\u5b50\u4fe1\u9053\u9694\u79bb\u9891\u5e26\u9632\u4e32\u6270\uff0c\u5982CATV\uff0cWIFi<\/p>\n

\u65f6\u5206\u591a\u8def\u590d\u7528TDM
\n\u4e0d\u540c\u7684\u65f6\u95f4\uff0c\u8f6e\u6d41\u5360\u7528\uff0c\u5982\u624b\u673a<\/p>\n

TDM \u540c\u6b65\u5341\u5206T1\u3001E1
\n\u7edf\u8ba1\u65f6\u5206\u5982ATM<\/p>\n

\u6ce2\u5206\u591a\u8def\u590d\u7528WDM
\n\u4e0d\u540c\u7684\u6ce2\u957f\uff0c\u5982\u5149\u7ea4\u3002 850nm \u00a01310nm 1550nm<\/p>\n

\u516b\u3001\u6570\u5b57\u4f20\u8f93\u6807\u51c6<\/h3>\n

T1\u6807\u51c6
\nT1 = 1.544Mbps \u00a0= [24x(7+1)+1]x8k \u00a0 \u00a0\uff08\u7f8e\u56fd\u548c\u65e5\u672c\uff09<\/p>\n

E1\u6807\u51c6
\nE1 = 2.048Mbps = [32x(7+1)]x8k \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\uff08\u4e2d\u56fd\u548c\u6b27\u6d32\uff09<\/p>\n

T1 = 1.544Mbps E1 = 2.048Mbps
\nT2 = 4T1 E2 = 4E1
\nT3 = 7T2 E3 = 4E2
\nT4 = 6T3 E4 = 4E3<\/p>\n

SONET\u6807\u51c6 \u00a0 \u00a0\u7f8e\u56fd
\nSDH\u6807\u51c6 \u00a0 \u00a0 \u00a0 \u00a0 \u56fd\u9645
\nSONET\u6807\u51c6 \u7f8e\u56fd \u7528\u4e8e\u5149\u7ea4\u7f51\u7edc
\nSDH\u6807\u51c6 \u56fd\u9645
\nOC-3 \u00a0STS-3 \u00a0155.520Mbps<\/p>\n

\u4e5d\u3001\u6570\u636e\u5dee\u9519\u63a7\u5236<\/h3>\n

\u68c0\u9519\u7801
\n\uff08\u5947\u5076\u6821\u9a8c\u7801\uff09\u53ea\u80fd\u68c0\u9519\u4e0d\u80fd\u7ea0\u9519 \u79fb\u52a8\u901a\u4fe1\u5e7f\u6cdb\u91c7\u7528<\/p>\n

\u6d77\u660e\u7801
\n\u5728\u6570\u636e\u4f4dm\u540e\u9762\u589e\u52a0\u5197\u4f59\u6821\u9a8c\u4f4dk\uff0c\u7ec4\u6210\u4fe1\u606fm+k\uff0c\u5219\u6ee1\u8db3<\/p>\n

\u53ef\u7ea0\u6b63\u4e00\u4f4d\u9519\u8bef\u3002\u4e0d\u4f46\u53ef\u4ee5\u68c0\u9519\u8fd8\u53ef\u4ee5\u7ea0\u9519<\/p>\n

\u7801\u8dddd\uff1a\u4e5f\u53eb\u6d77\u660e\u8ddd\u79bb\uff0c\u4e24\u4e2a\u7801\u5b57\u4e4b\u95f4\u4e0d\u540c\u7684\u6700\u5c0f\u7684\u4f4d\u6570\uff08\u6bd4\u7279\u6570\uff09<\/p>\n

\u53ef\u67e5\u51fa\u2264d-1\u4f4d\u9519\u8bef<\/p>\n

\u53ef\u7ea0\u6b63<d\/2\u4f4d\u9519\u8bef<\/p>\n

\u5faa\u73af\u5197\u4f59\u6821\u9a8c\u7801CRC
\n\u5faa\u73af\u5197\u4f59\u6821\u9a8c\u7801\uff0c\u662f\u4e00\u79cd\u5faa\u73af\u7801\uff0c\u901a\u8fc7\u5faa\u73af\u79fb\u4f4d\uff0c\u5b9e\u73b0\u68c0\u9519\uff0c\u786c\u4ef6\u5bb9\u6613\u5b9e\u73b0\uff0c\u5e7f\u6cdb\u7528\u4e8e\u5c40\u57df\u7f51\u3002\u53ea\u80fd\u68c0\u9519\u4e0d\u80fd\u7ea0\u9519\u3002<\/p>\n

\u8ba1\u7b97CRC\u6821\u9a8c\u7801\uff1a<\/p>\n

 <\/p>\n

\u53c2\u8003\uff1a<\/p>\n

\u7f51\u7edc\u5de5\u7a0b\u5e08\u7ecf\u9a8c\u5206\u4eab\u4e4b\u6570\u636e\u901a\u4fe1\u57fa\u7840\uff08\u4e00\uff09<\/a><\/p>\n

\u7f51\u7edc\u5de5\u7a0b\u5e08\u7ecf\u9a8c\u5206\u4eab\u4e4b\u6570\u636e\u901a\u4fe1\u57fa\u7840\uff08\u4e8c\uff09<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u7b2c\u4e8c\u7ae0\u6570\u636e\u901a\u4fe1\u57fa\u7840\u76ee\u5f55 2.1\u6570\u636e\u901a\u4fe1\u7684\u57fa\u672c\u6982\u5ff5 2.2\u4fe1\u9053\u7279\u6027 2.2.1\u4fe1\u9053 … \u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39,3],"tags":[32],"class_list":["post-225","post","type-post","status-publish","format-standard","hentry","category-39","category-3","tag-32"],"_links":{"self":[{"href":"https:\/\/www.jayjaydream.com\/index.php?rest_route=\/wp\/v2\/posts\/225","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jayjaydream.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jayjaydream.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jayjaydream.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jayjaydream.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=225"}],"version-history":[{"count":10,"href":"https:\/\/www.jayjaydream.com\/index.php?rest_route=\/wp\/v2\/posts\/225\/revisions"}],"predecessor-version":[{"id":518,"href":"https:\/\/www.jayjaydream.com\/index.php?rest_route=\/wp\/v2\/posts\/225\/revisions\/518"}],"wp:attachment":[{"href":"https:\/\/www.jayjaydream.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=225"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jayjaydream.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=225"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jayjaydream.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}