{"id":99575,"date":"2024-11-28T17:56:51","date_gmt":"2024-11-28T09:56:51","guid":{"rendered":"\/\/www.viralrail.com\/?p=99575"},"modified":"2024-11-28T17:56:55","modified_gmt":"2024-11-28T09:56:55","slug":"dtxmkzmj","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/99575.html","title":{"rendered":"DTU\u901a\u4fe1\u6a21\u5757\u600e\u4e48\u63a5"},"content":{"rendered":"\n<p>\u3000\u3000<strong>DTU\u901a\u4fe1\u6a21\u5757<\/strong>\u7684\u63a5\u7ebf\u65b9\u6cd5\u4e3b\u8981\u53d6\u51b3\u4e8e\u5176\u63a5\u53e3\u7c7b\u578b\u548c\u5e94\u7528\u573a\u666f\u3002\u4ee5\u4e0b\u662f\u5e38\u89c1\u7684\u51e0\u79cd\u63a5\u7ebf\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<p>\u3000\u3000<strong>RS232\u63a5\u53e3\u63a5\u7ebf<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528\u914d\u5957\u7684\u9ed1\u8272\u4e09\u82af\u4e32\u53e3\u7ebf\uff0c\u84dd\u8272\u7ebf\u63a5RX\u5f15\u811a\uff0c\u68d5\u8272\u7ebf\u63a5TX\u5f15\u811a\uff0c\u9ed1\u8272\u7ebf\u63a5GND\u5f15\u811a\u3002\u5982\u679c\u672a\u4f7f\u7528\u914d\u5957\u4e32\u53e3\u7ebf\uff0c\u9700\u5c06\u5bf9\u7aef\u4e32\u53e3\u8bbe\u5907\u7684RX\u548cTX\u4ea4\u53c9\u540e\u63a5\u5230DTU\u7684RX\u548cTX\u5f15\u811a\u4e0a\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>RS485\u63a5\u53e3\u63a5\u7ebf<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5c06DTU\u7684A\u3001B\u4e24\u7ebf\u5206\u522b\u4e0e\u8bbe\u5907\u7684D+\u3001D-\u4e24\u7ebf\u8fde\u63a5\u5373\u53ef\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5728\u4f7f\u7528RS485\u8fdb\u884c\u8fde\u63a5\u65f6\uff0c\u9700\u8981\u5728DTU\u4e2d\u8fdb\u884c\u76f8\u5173\u7684\u53c2\u6570\u914d\u7f6e\uff0c\u4f8b\u5982\u6ce2\u7279\u7387\u3001\u6570\u636e\u4f4d\u3001\u6821\u9a8c\u4f4d\u7b49\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7535\u6e90\u63a5\u7ebf<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000DTU\u6a21\u5757\u7684\u7535\u6e90\u7ebf\u901a\u5e38\u8fde\u63a5\u5230PWR\u5f15\u811a\u548cGND\u5f15\u811a\u3002\u51fa\u5382\u65f6\uff0cPWR\u5f15\u811a\u4e0e\u9ed1\u8272\u7ebf\u76f8\u8fde\uff0cGND\u5f15\u811a\u4e0e\u9ed1\u8272\u7ebf\u76f8\u8fde\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7f51\u7edc\u8fde\u63a5<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5982\u679cDTU\u6a21\u5757\u652f\u6301\u4ee5\u592a\u7f51\u8fde\u63a5\uff0c\u53ef\u4ee5\u901a\u8fc7\u7f51\u7ebf\u5c06DTU\u6a21\u5757\u8fde\u63a5\u5230\u8def\u7531\u5668\u6216\u5176\u4ed6\u7f51\u7edc\u8bbe\u5907\u4e0a\uff0c\u786e\u4fdd\u7f51\u7edc\u914d\u7f6e\u6b63\u786e\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5929\u7ebf\u8fde\u63a5<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5bf9\u4e8e\u5177\u5907\u65e0\u7ebf\u901a\u4fe1\u529f\u80fd\u7684DTU\u6a21\u5757\uff0c\u9700\u8981\u5c06\u5929\u7ebf\u6b63\u786e\u8fde\u63a5\u5230DTU\u6a21\u5757\u7684\u5929\u7ebf\u63a5\u53e3\uff0c\u5e76\u786e\u4fdd\u5929\u7ebf\u56fa\u5b9a\u7262\u56fa\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u63a5\u7ebf\u8fc7\u7a0b\u4e2d\uff0c\u9700\u6ce8\u610f\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u786e\u8ba4\u597dDTU\u548c\u8bbe\u5907\u7684\u63a5\u53e3\u7c7b\u578b\uff0c\u4e0d\u540c\u63a5\u53e3\u7c7b\u578b\u4f7f\u7528\u7684\u8fde\u63a5\u7ebf\u4e0d\u540c\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u5728\u63a5\u7ebf\u8fc7\u7a0b\u4e2d\u4e00\u5b9a\u8981\u6ce8\u610f\u9632\u9759\u7535\uff0c\u907f\u514d\u7535\u5b50\u5143\u5668\u4ef6\u53d7\u5230\u635f\u5bb3\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u786e\u8ba4\u597dDTU\u548c\u8bbe\u5907\u7684\u4f9b\u7535\u65b9\u5f0f\uff0c\u5e76\u6309\u7167\u8bf4\u660e\u4e66\u8fde\u63a5\u597d\u7535\u6e90\u7ebf\uff0c\u907f\u514d\u8bbe\u5907\u635f\u574f\u6216\u610f\u5916\u4e8b\u6545\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u53ef\u4ee5\u5b8c\u6210DTU\u901a\u4fe1\u6a21\u5757\u7684\u63a5\u7ebf\u5de5\u4f5c\uff0c\u5e76\u786e\u4fdd\u5176\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"726\" height=\"450\" src=\"\/\/www.viralrail.com\/wp-content\/uploads\/2024\/06\/dtulbt240601b.jpg\" alt=\"\" class=\"wp-image-93533\" srcset=\"\/\/www.viralrail.com\/wp-content\/uploads\/2024\/06\/dtulbt240601b.jpg 726w, \/\/www.viralrail.com\/wp-content\/uploads\/2024\/06\/dtulbt240601b-300x186.jpg 300w, \/\/www.viralrail.com\/wp-content\/uploads\/2024\/06\/dtulbt240601b-600x372.jpg 600w\" sizes=\"(max-width: 726px) 100vw, 726px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 DTU\u901a\u4fe1\u6a21\u5757RS232\u63a5\u53e3\u63a5\u7ebf\u7684\u8be6\u7ec6\u6b65\u9aa4\u548c\u6ce8\u610f\u4e8b\u9879\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u3000DTU\u901a\u4fe1\u6a21\u5757RS232\u63a5\u53e3\u63a5\u7ebf\u7684\u8be6\u7ec6\u6b65\u9aa4\u548c\u6ce8\u610f\u4e8b\u9879\u5982\u4e0b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u63a5\u7ebf\u6b65\u9aa4\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u9009\u62e9\u5408\u9002\u7684\u7535\u7f06\u548c\u8fde\u63a5\u5668<\/strong>\uff1a\u6839\u636eRS232\u63a5\u53e3\u7684\u7535\u6c14\u7279\u6027\uff0c\u901a\u5e38\u91c7\u7528DB9\u5f62\u5f0f\u7684\u8fde\u63a5\u5668\u3002\u786e\u4fdd\u7535\u7f06\u5c4f\u853d\u7684\u4e00\u534a\u9762\u79ef\u63a5\u89e6\u5230\u8fde\u63a5\u5668\u5916\u58f3\u7684\u4e24\u4fa7\uff0c\u4ee5\u589e\u5f3a\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u8fde\u63a5\u4fe1\u53f7\u7ebf<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5c06FG\u4fe1\u53f7\u7ebf\u548c\u5c4f\u853d\u5c42\u8fde\u63a5\u5230RS232\u7535\u7f06\u4e0a\uff0c\u5e76\u786e\u4fdd\u6240\u6709\u4fe1\u53f7\u7ebf\u6b63\u786e\u8fde\u63a5\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528\u6807\u51c6\u957f\u5ea6\u7684\u8fde\u63a5\u7ebf\uff0c\u786e\u4fdd\u7535\u7f06\u5c4f\u853d\u4e0e\u8fde\u63a5\u5668\u5916\u58f3\u5145\u5206\u63a5\u89e6\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4ea4\u53c9\u63a5\u7ebf<\/strong>\uff1a\u5728\u4e0e\u7535\u8111\u8fde\u63a5\u65f6\uff0c\u5efa\u8bae\u91c7\u7528\u53cc\u6bcd\u5934\u7684\u4ea4\u53c9\u7ebf\uff0c\u4ee5\u786e\u4fdd\u6536\u53d1\u4fe1\u53f7\u6b63\u786e\u4ea4\u53c9\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u8fde\u63a5\u7535\u6e90\u548c\u6570\u636e\u7ebf<\/strong>\uff1a\u5bf9\u4e8e\u76f4\u6d41\u4f9b\u7535\u7684\u8bbe\u5907\uff0c\u6700\u5927\u8ddd\u79bb\u4e3a120\u7c73(\u4f7f\u752814 AWG\u7ebf)\u6216191\u7c73(\u4f7f\u752812 AWG\u7ebf)\uff0c\u6240\u6709\u63a5\u7ebf\u5747\u9700\u4f7f\u7528\u7b26\u5408\u5f53\u5730\u89c4\u5b9a\u768418 AWG\u7ebf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u6ce8\u610f\u4e8b\u9879\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u4fe1\u53f7\u5b9a\u4e49\u548c\u7535\u6c14\u7279\u6027<\/strong>\uff1aRS232\u63a5\u53e3\u7684\u7535\u6c14\u7279\u6027\u5e94\u7b26\u5408GB\/T 6107\u20142000\u7b2c2\u7ae0\u7684\u8981\u6c42\uff0c\u4fe1\u53f7\u5b9a\u4e49\u5e94\u7b26\u5408GB\/T 12057\u20141989\u7684\u89c4\u5b9a\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u6297\u5e72\u6270\u63aa\u65bd<\/strong>\uff1a\u786e\u4fdd\u7535\u7f06\u5c4f\u853d\u5c42\u63a5\u89e6\u826f\u597d\uff0c\u5e76\u5728\u5fc5\u8981\u65f6\u6dfb\u52a0\u6ee4\u6ce2\u7535\u8def\uff0c\u59821k5\u7535\u963b\u548c10nF\u7535\u5bb9\u7ec4\u6210\u7684\u7b80\u5355\u6ee4\u6ce2\u7535\u8def\uff0c\u4ee5\u51cf\u5c11\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u5e72\u6270\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u786c\u4ef6\u6d41\u63a7\u652f\u6301<\/strong>\uff1aRS232\u63a5\u53e3\u652f\u6301\u786c\u4ef6\u6d41\u63a7\uff0c\u786e\u4fdd\u7f51\u7edc\u94fe\u8def\u4e24\u7aef\u53c2\u6570\u4e00\u81f4\u624d\u80fd\u901a\u4fe1\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u907f\u514d\u9519\u8bef\u8fde\u63a5<\/strong>\uff1a\u4e0d\u8981\u5c06RS-422\u8bbe\u5907\u8fde\u63a5\u5230RS-232\u63a5\u53e3\uff0c\u4ee5\u514d\u635f\u574f\u8bbe\u5907\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u914d\u7f6e\u53c2\u6570<\/strong>\uff1a\u5728\u4f7f\u7528DTU\u65f6\uff0c\u9700\u6839\u636e\u5177\u4f53\u578b\u53f7\u548c\u7248\u672c\u8fdb\u884c\u914d\u7f6e\uff0c\u5982MD-308 V1.0.3\u53ca\u4ee5\u4e0a\u7248\u672c\u53ef\u4ee5\u76f4\u63a5\u7528\u4e5d\u9488\u4e5d\u5b54\u76f4\u8fde\u4e32\u53e3\u7ebf\u63a5\u7535\u8111\uff0c\u800cV1.0.3\u4ee5\u4e0b\u7248\u672c\u9700\u8981\u4f7f\u7528RS485\u8f6cRS232\u8f6c\u63a5\u5934\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 \u5982\u4f55\u6b63\u786e\u914d\u7f6eDTU\u901a\u4fe1\u6a21\u5757\u7684RS485\u63a5\u53e3\u53c2\u6570\u4ee5\u786e\u4fdd\u7a33\u5b9a\u901a\u4fe1?<\/h2>\n\n\n\n<p>\u3000\u3000\u8981\u786e\u4fddDTU\u901a\u4fe1\u6a21\u5757\u7684RS485\u63a5\u53e3\u53c2\u6570\u914d\u7f6e\u6b63\u786e\u4ee5\u4fdd\u8bc1\u7a33\u5b9a\u901a\u4fe1\uff0c\u9700\u8981\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\u8be6\u7ec6\u914d\u7f6e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000\u5728DTU\u7684\u57fa\u672c\u8bbe\u7f6e\u754c\u9762\u4e2d\uff0c\u9009\u62e9\u201cNET\u201d\u7c7b\u578b\u5e76\u4fdd\u5b58\u5e94\u7528\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u5728\u4e32\u53e3\u8bbe\u7f6e\u754c\u9762\uff0c\u5c06\u4e32\u53e3\u7c7b\u578b\u8bbe\u7f6e\u4e3aRS485.\u7528\u4e8eRS485\u8fde\u63a5\u901a\u4fe1\uff0c\u7136\u540e\u70b9\u51fb\u201c\u4fdd\u5b58&\u5e94\u7528\u201d\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u6839\u636e\u5177\u4f53\u9700\u6c42\u914d\u7f6eRS485\u7684\u4e32\u53e3\u53c2\u6570\u3002\u5e38\u89c1\u7684\u53c2\u6570\u5305\u62ec\uff1a<\/li>\n\n\n\n<li>\u3000\u3000\u6ce2\u7279\u7387\uff1a\u53ef\u4ee5\u9009\u62e91200\u30012400\u30014800\u30019600(\u9ed8\u8ba4)\u300114400\u300119200\u300138400\u300143000\u300156000\u300157600\u3001115200\u7b49\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u6821\u9a8c\u4f4d\uff1a\u53ef\u4ee5\u9009\u62e9None(\u9ed8\u8ba4)\u3001Odd\u3001Even\u3001Mark\u3001Space\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u6570\u636e\u4f4d\uff1a\u53ef\u4ee5\u9009\u62e96\u30017\u30018(\u9ed8\u8ba4)\u30019.<\/li>\n\n\n\n<li>\u3000\u3000\u505c\u6b62\u4f4d\uff1a\u53ef\u4ee5\u9009\u62e91(\u9ed8\u8ba4)\u30012.<\/li>\n\n\n\n<li>\u3000\u3000\u5bf9\u4e8e\u67d0\u4e9bDTU\u578b\u53f7\uff0c\u5982G780s\uff0cRS485\u53e3\u9ed8\u8ba4\u4e0d\u4f7f\u80fd\uff0c\u9700\u8981\u4fee\u6539\u4e32\u53e3\u6d41\u63a7\u4e3aRS485\u624d\u80fd\u4f7f\u7528\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u53ef\u4ee5\u9009\u62e9\u5f00\u542f\u6216\u5173\u95edRS-485\u901a\u4fe1\u7ec8\u7aef\u7535\u963b\uff0c\u4ee5\u9632\u6b62\u4fe1\u53f7\u53cd\u5c04\u548c\u5e72\u6270\u3002<\/li>\n\n\n\n<li>\u3000\u3000\u786e\u4fdd\u5730\u5740\u8303\u56f4\u57281\u81f399\u4e4b\u95f4\uff0c\u5e76\u4e14\u5728\u540c\u4e00\u7cfb\u7edf\u5185\u552f\u4e00\uff0c\u907f\u514d\u91cd\u590d\u3002\u6700\u5927\u8fde\u63a5\u914d\u7f6e\u4e3a31\u4e2a\u63a7\u5236\u5668\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u786e\u4fddRS485\u63a5\u53e3\u5177\u5907\u8fc7\u6d41\u4fdd\u62a4\u3001\u7535\u6e90\u6d6a\u6d8c\u4fdd\u62a4\u3001\u611f\u5e94\u96f7\u4fdd\u62a4\u3001EMC\u7535\u78c1\u517c\u5bb9\u7b49\u80fd\u529b\u3002\u5982\u679cRS485\u603b\u7ebf\u7684\u4f20\u8f93\u8ddd\u79bb\u8d85\u8fc7100\u7c73\uff0c\u5efa\u8bae\u5728RS485\u7f51\u7edc\u7684\u5f00\u59cb\u7aef\u548c\u7ed3\u675f\u7aef\u5e76\u63a5120\u03a9\u7535\u963b\uff0c\u4ee5\u51cf\u5c11\u56de\u6ce2\u53cd\u5c04\u4fe1\u53f7\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 DTU\u901a\u4fe1\u6a21\u5757\u7535\u6e90\u63a5\u7ebf\u65f6\uff0c\u5982\u4f55\u9009\u62e9\u5408\u9002\u7684\u7535\u6e90\u7ebf\u548c\u786e\u4fdd\u5b89\u5168\u4f9b\u7535?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u9009\u62e9DTU\u901a\u4fe1\u6a21\u5757\u7684\u7535\u6e90\u7ebf\u548c\u786e\u4fdd\u5b89\u5168\u4f9b\u7535\u65f6\uff0c\u9700\u8981\u8003\u8651\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u4e0d\u540c\u578b\u53f7\u7684DTU\u5bf9\u7535\u538b\u7684\u8981\u6c42\u6709\u6240\u4e0d\u540c\u3002\u4f8b\u5982\uff0cCOMWAY WG-8010 GPRS DTU\u53ef\u4ee5\u4f7f\u7528+5V\uff5e24V\u7684\u5bbd\u8303\u56f4\u7535\u538b\u4f9b\u7535\uff0c\u800cLXI980G\u53ef\u4ee5\u4f7f\u7528+6V\uff5e36V\u7684\u5bbd\u8303\u56f4\u7535\u538b\u4f9b\u7535\u3002\u56e0\u6b64\uff0c\u9009\u62e9\u7535\u6e90\u65f6\u5e94\u6839\u636e\u5177\u4f53\u578b\u53f7\u7684\u8981\u6c42\u6765\u786e\u5b9a\u7535\u538b\u8303\u56f4\u3002<\/p>\n\n\n\n<p>\u3000\u3000DTU\u5728\u8fdb\u884c\u65e0\u7ebf\u901a\u4fe1\u65f6\uff0c\u77ac\u95f4\u7535\u6d41\u4f1a\u5f88\u5927\u4e14\u53d8\u5316\u5feb\u901f\uff0c\u56e0\u6b64\u5916\u90e8\u7535\u6e90\u7684\u5185\u963b\u8981\u5c3d\u91cf\u5c0f\u3002\u4f8b\u5982\uff0cCOMWAY WG-8010 GPRS DTU\u7684\u6700\u5927\u5cf0\u503c\u7535\u6d41\u9700\u652f\u63012A\uff0c\u800cLXI980G\u5728\u4f7f\u75286V\u4f9b\u7535\u65f6\uff0c\u7535\u6e90\u7ebf\u7f06\u8981\u5c3d\u91cf\u7c97\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u7535\u6e90\u7ebf\u7684\u9009\u62e9\u5e94\u7b26\u5408\u4ee5\u4e0b\u8981\u6c42\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528\u94dc\u5bfc\u7ebf\u7ebf\u7f06\uff0c\u7ebf\u5f84\u987b\u572822~18AWG\u4e4b\u95f4\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u7535\u6e90\u7ebf\u7684\u989d\u5b9a\u6e29\u5ea6\u987b\u5927\u4e8e70\u00b0C\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u63d2\u62d4\u626d\u77e9\u4e3a0.5\u725b\u00b7\u7c73\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5bf9\u4e8e\u4ea4\u6d41110V\u3001220V\u548c\u76f4\u6d4124V\u7684\u7535\u7f06\u7ebf\uff0c\u5fc5\u987b\u5bc6\u7ede\uff0c\u5e76\u4ee5\u8f83\u77ed\u7684\u957f\u5ea6\u8fde\u63a5\u81f3\u6a21\u5757\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u786e\u4fdd\u7535\u6e90\u63a5\u5730\u7aef\u63a5\u5730\uff0c\u4ee5\u9632\u6b62\u56e0\u63a5\u5730\u4e0d\u826f\u5bfc\u81f4\u7684\u8bbe\u5907\u635f\u574f\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u7535\u6e90\u7684\u7eb9\u6ce2\u63a7\u5236\u5728300mV\u4ee5\u5185\u662f\u5fc5\u8981\u7684\uff0c\u4ee5\u4fdd\u8bc1\u7cfb\u7edf\u7684\u7a33\u5b9a\u8fd0\u884c\u3002\u4f8b\u5982\uff0cTD210\u7cfb\u5217DTU\u8981\u6c42\u7535\u6e90\u529f\u7387\u5927\u4e8e4W\uff0c\u5e76\u4e14\u7eb9\u6ce2\u5c0f\u4e8e300mV\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5728\u63a5\u7ebf\u65f6\uff0c\u6ce8\u610f\u7535\u6e90\u63d2\u5934\u6781\u6027\u4e3a\u5185\u6b63\u5916\u8d1f\uff0c\u907f\u514d\u63a5\u53cd\u5bfc\u81f4\u8bbe\u5907\u635f\u574f\u3002\u6b64\u5916\uff0c\u4e0d\u8981\u5c06\u4ea4\u6d41110V\u3001220V\u548c\u76f4\u6d4124V\u7684\u7535\u7f06\u7ebf\u4e0e\u4e3b\u56de\u8def\u3001I\/O\u4fe1\u53f7\u7ebf\u8def\u6346\u624e\u5728\u4e00\u8d77\u6216\u5c06\u8fd9\u4e9b\u7ebf\u8def\u914d\u7f6e\u5f97\u5f88\u8fd1\uff0c\u5efa\u8bae\u5c06\u8fd9\u4e9b\u7ebf\u8def\u5206\u5f00100mm\u4ee5\u4e0a\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 \u5728DTU\u901a\u4fe1\u6a21\u5757\u4e2d\uff0c\u5982\u4f55\u8bbe\u7f6e\u4ee5\u592a\u7f51\u63a5\u53e3\u4ee5\u5b9e\u73b0\u6700\u4f73\u7f51\u7edc\u8fde\u63a5\u6027\u80fd?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728DTU\u901a\u4fe1\u6a21\u5757\u4e2d\uff0c\u4e3a\u4e86\u5b9e\u73b0\u6700\u4f73\u7f51\u7edc\u8fde\u63a5\u6027\u80fd\uff0c\u9700\u8981\u6b63\u786e\u914d\u7f6e\u4ee5\u592a\u7f51\u63a5\u53e3\u7684\u591a\u4e2a\u53c2\u6570\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u6b65\u9aa4\u548c\u5efa\u8bae\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u8bbe\u7f6eMTU\u503c<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000MTU(\u6700\u5927\u4f20\u8f93\u5355\u5143)\u662f\u5f71\u54cd\u7f51\u7edc\u6027\u80fd\u7684\u91cd\u8981\u53c2\u6570\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cMTU\u503c\u901a\u5e38\u4e3a1500\u5b57\u8282\uff0c\u4f46\u6839\u636e\u7f51\u7edc\u9700\u6c42\u53ef\u4ee5\u8fdb\u884c\u8c03\u6574\u3002\u4f8b\u5982\uff0c\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u5c06MTU\u8bbe\u7f6e\u4e3a1504\u62161500\u53ef\u4ee5\u63d0\u9ad8\u8def\u7531\u5668\u7684\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u6765\u8bbe\u7f6eMTU\u503c\uff0c\u5982ip-mtu octets\u547d\u4ee4\uff0c\u6216\u8005\u901a\u8fc7\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684\u76f8\u5173\u547d\u4ee4\u8fdb\u884c\u8bbe\u7f6e\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u542f\u7528\u81ea\u52a8\u534f\u5546\u529f\u80fd<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u81ea\u52a8\u534f\u5546\u529f\u80fd\u5141\u8bb8\u8bbe\u5907\u81ea\u52a8\u68c0\u6d4b\u5e76\u8bbe\u7f6e\u4ee5\u592a\u7f51\u8fde\u63a5\u7684\u901f\u5ea6\u548c\u53cc\u5de5\u6a21\u5f0f\uff0c\u4ece\u800c\u907f\u514d\u624b\u52a8\u914d\u7f6e\u9519\u8bef\u3002\u8fd9\u6709\u52a9\u4e8e\u786e\u4fdd\u8bbe\u5907\u4e4b\u95f4\u7684\u517c\u5bb9\u6027\u548c\u6700\u4f73\u6027\u80fd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003.&nbsp;<strong>\u9009\u62e9\u5408\u9002\u7684\u63a5\u53e3\u901f\u5ea6\u548c\u53cc\u5de5\u6a21\u5f0f<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u6839\u636e\u7f51\u7edc\u73af\u5883\u548c\u8bbe\u5907\u80fd\u529b\uff0c\u53ef\u4ee5\u9009\u62e910Base-T\u3001100Base-T\u6216\u81ea\u52a8\u6a21\u5f0f\u4f5c\u4e3a\u63a5\u53e3\u901f\u5ea6;\u540c\u65f6\u9009\u62e9\u5168\u53cc\u5de5\u3001\u534a\u53cc\u5de5\u6216\u81ea\u52a8\u6a21\u5f0f\u4f5c\u4e3a\u53cc\u5de5\u6a21\u5f0f\u3002\u8fd9\u4e9b\u8bbe\u7f6e\u53ef\u4ee5\u4f18\u5316\u6570\u636e\u4f20\u8f93\u6548\u7387\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004.&nbsp;<strong>\u914d\u7f6e\u9759\u6001IP\u5730\u5740\u6216\u4f7f\u7528DHCP<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u53ef\u4ee5\u9009\u62e9\u9759\u6001\u6a21\u5f0f\u624b\u52a8\u6307\u5b9a\u7f51\u7edc\u53c2\u6570\uff0c\u6216\u8005\u4f7f\u7528DHCP\u534f\u8bae\u81ea\u52a8\u83b7\u53d6IP\u5730\u5740\u3002\u9759\u6001\u6a21\u5f0f\u9002\u7528\u4e8e\u9700\u8981\u56fa\u5b9aIP\u5730\u5740\u7684\u573a\u666f\uff0c\u800cDHCP\u6a21\u5f0f\u5219\u9002\u7528\u4e8e\u52a8\u6001IP\u5206\u914d\u7684\u73af\u5883\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30005.&nbsp;<strong>\u91cd\u542f\u8bbe\u5907\u4ee5\u5e94\u7528\u914d\u7f6e<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5728\u5b8c\u6210\u4e0a\u8ff0\u914d\u7f6e\u540e\uff0c\u9700\u8981\u91cd\u542f\u8bbe\u5907\u4ee5\u4f7f\u65b0\u7684\u8bbe\u7f6e\u751f\u6548\u3002\u5bf9\u4e8e\u51fa\u5165\u53e3\u6570\u91cf\u7684\u8bbe\u7f6e\uff0c\u53ef\u4ee5\u5728\u201c\u91cd\u542f\u5e94\u7528\u201d\u540e\u7acb\u5373\u751f\u6548\uff0c\u800c\u5bf9\u4e8e\u7f51\u7edc\u53c2\u6570\u7684\u66f4\u6539\uff0c\u5219\u9700\u8981\u201c\u91cd\u542f\u8bbe\u5907\u201d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30006.&nbsp;<strong>\u6545\u969c\u6392\u67e5\u548c\u4f18\u5316<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5982\u679c\u5728\u914d\u7f6eMTU\u540e\u51fa\u73b0RX_OVR\u4e22\u5305\u9519\u8bef\uff0c\u8868\u660e\u6536\u5230\u7684\u62a5\u6587\u957f\u5ea6\u8d85\u8fc7\u4e86\u8bbe\u5907\u7684MTU\u503c\u3002\u6b64\u65f6\u5e94\u68c0\u67e5MTU\u914d\u7f6e\u662f\u5426\u4e0e\u7f51\u7edc\u4e2d\u7684\u5176\u4ed6\u8bbe\u5907\u4e00\u81f4\uff0c\u5e76\u901a\u8fc7\u547d\u4ee4\u5982show interface counters\u67e5\u770b\u7aef\u53e3\u72b6\u6001\u4ee5\u8bca\u65ad\u95ee\u9898\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e94\u3001 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