{"id":3993,"date":"2023-06-20T13:59:50","date_gmt":"2023-06-20T05:59:50","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=3993"},"modified":"2024-07-03T14:02:18","modified_gmt":"2024-07-03T06:02:18","slug":"dtxmkyatxjsdb","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/3993.html","title":{"rendered":"DTU\u901a\u4fe1\u6a21\u5757\u4e0eAT\u901a\u4fe1\u6280\u672f\u5bf9\u6bd4"},"content":{"rendered":"\n

\u3000\u3000\u968f\u7740\u7269\u8054\u7f51\u6280\u672f<\/strong>\u7684\u4e0d\u65ad\u53d1\u5c55\uff0cDTU\u901a\u4fe1\u6a21\u5757\u548cAT\u901a\u4fe1\u6210\u4e3a\u4e86\u7269\u8054\u7f51\u9886\u57df\u4e2d\u6700\u4e3a\u5e38\u89c1\u7684\u901a\u4fe1\u6280\u672f\u3002\u4e24\u8005\u867d\u7136\u90fd\u662f\u7528\u4e8e\u8bbe\u5907\u4e0e\u4e91\u7aef\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u4f46\u5176\u6280\u672f\u5b9e\u73b0\u548c\u5e94\u7528\u573a\u666f\u5374\u6709\u6240\u4e0d\u540c\u3002\u672c\u6587\u5c06\u5bf9DTU\u901a\u4fe1\u6a21\u5757\u548cAT\u901a\u4fe1\u8fdb\u884c\u8be6\u7ec6\u7684\u4ecb\u7ecd\u548c\u5bf9\u6bd4\uff0c\u5e76\u5206\u6790\u5b83\u4eec\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u7f3a\u70b9\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001DTU<\/a>\u901a\u4fe1\u6a21\u5757\u7684\u6280\u672f\u539f\u7406\u4e0e\u5e94\u7528\u573a\u666f<\/h2>\n\n\n\n

\u3000\u3000DTU\u901a\u4fe1\u6a21\u5757(Data Transfer Unit)\u662f\u4e00\u79cd\u4e13\u95e8\u7528\u4e8e\u7269\u8054\u7f51\u901a\u4fe1\u7684\u8bbe\u5907\uff0c\u5176\u4e3b\u8981\u4f5c\u7528\u662f\u5c06\u4f20\u611f\u5668\u548c\u5176\u4ed6\u8bbe\u5907\u7684\u6570\u636e\u901a\u8fc7\u65e0\u7ebf\u901a\u4fe1\u4f20\u8f93\u5230\u4e91\u7aef\u3002DTU\u901a\u4fe1\u6a21\u5757\u7531\u6a21\u5757\u82af\u7247\u3001\u65e0\u7ebf\u6a21\u5757\u3001\u5929\u7ebf\u3001\u7535\u6e90\u7b49\u90e8\u5206\u7ec4\u6210\u3002\u5176\u6280\u672f\u539f\u7406\u662f\u901a\u8fc7GPRS\/3G\/4G\u7b49\u65e0\u7ebf\u7f51\u7edc\u5b9e\u73b0\u8bbe\u5907\u4e0e\u4e91\u7aef\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u5b9e\u73b0\u6570\u636e\u7684\u4f20\u8f93\u548c\u8fdc\u7a0b\u63a7\u5236\u3002<\/p>\n\n\n\n

\u3000\u3000DTU\u901a\u4fe1\u6a21\u5757\u7684\u5e94\u7528\u573a\u666f\u975e\u5e38\u5e7f\u6cdb\uff0c\u4f8b\u5982\u667a\u80fd\u5bb6\u5c45\u3001\u73af\u5883\u76d1\u6d4b\u3001\u667a\u80fd\u4ea4\u901a\u7b49\u9886\u57df\u3002\u5728\u667a\u80fd\u5bb6\u5c45\u4e2d\uff0cDTU\u901a\u4fe1\u6a21\u5757\u53ef\u4ee5\u5b9e\u73b0\u5bb6\u5ead\u8bbe\u5907\u7684\u8fdc\u7a0b\u63a7\u5236\u548c\u6570\u636e\u76d1\u6d4b;\u5728\u73af\u5883\u76d1\u6d4b\u4e2d\uff0cDTU\u901a\u4fe1\u6a21\u5757\u53ef\u4ee5\u5b9e\u73b0\u5927\u6c14\u3001\u6c34\u8d28\u7b49\u73af\u5883\u6570\u636e\u7684\u91c7\u96c6\u548c\u4f20\u8f93;\u5728\u667a\u80fd\u4ea4\u901a\u4e2d\uff0cDTU\u901a\u4fe1\u6a21\u5757\u53ef\u4ee5\u5b9e\u73b0\u8f66\u8f86\u4f4d\u7f6e\u7684\u8fdc\u7a0b\u76d1\u63a7\u548c\u7ba1\u7406\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001AT\u901a\u4fe1\u7684\u6280\u672f\u539f\u7406\u4e0e\u5e94\u7528\u573a\u666f<\/h2>\n\n\n\n

\u3000\u3000AT\u901a\u4fe1(AT Command)\u662f\u4e00\u79cd\u57fa\u4e8e\u4e32\u53e3\u901a\u4fe1\u7684\u901a\u4fe1\u65b9\u5f0f\uff0c\u5176\u4e3b\u8981\u4f5c\u7528\u662f\u5c06\u8bbe\u5907\u7684\u6570\u636e\u901a\u8fc7\u4e32\u53e3\u4f20\u8f93\u5230\u4e91\u7aef\u3002AT\u901a\u4fe1\u5177\u6709\u7b80\u5355\u3001\u6613\u4e8e\u5b9e\u73b0\u7684\u7279\u70b9\uff0c\u56e0\u6b64\u5728\u7269\u8054\u7f51\u9886\u57df\u4e2d\u4e5f\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u5e94\u7528\u3002AT\u901a\u4fe1\u7684\u6280\u672f\u539f\u7406\u662f\u901a\u8fc7\u4e32\u53e3\u901a\u4fe1\u5c06\u8bbe\u5907\u7684\u6570\u636e\u53d1\u9001\u5230\u4e91\u7aef\uff0c\u5e76\u5b9e\u73b0\u6570\u636e\u7684\u4f20\u8f93\u548c\u8fdc\u7a0b\u63a7\u5236\u3002<\/p>\n\n\n\n

\u3000\u3000AT\u901a\u4fe1\u7684\u5e94\u7528\u573a\u666f\u4e3b\u8981\u96c6\u4e2d\u5728\u667a\u80fd\u5bb6\u5c45\u3001\u667a\u80fd\u5236\u9020\u3001\u667a\u80fd\u533b\u7597\u7b49\u9886\u57df\u3002\u5728\u667a\u80fd\u5bb6\u5c45\u4e2d\uff0cAT\u901a\u4fe1\u53ef\u4ee5\u5b9e\u73b0\u5bb6\u5ead\u8bbe\u5907\u7684\u8fdc\u7a0b\u63a7\u5236\u548c\u6570\u636e\u76d1\u6d4b;\u5728\u667a\u80fd\u5236\u9020\u4e2d\uff0cAT\u901a\u4fe1\u53ef\u4ee5\u5b9e\u73b0\u8bbe\u5907\u7684\u8fdc\u7a0b\u76d1\u63a7\u548c\u7ba1\u7406;\u5728\u667a\u80fd\u533b\u7597\u4e2d\uff0cAT\u901a\u4fe1\u53ef\u4ee5\u5b9e\u73b0\u533b\u7597\u8bbe\u5907\u7684\u8fdc\u7a0b\u76d1\u6d4b\u548c\u7ba1\u7406\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001DTU<\/a>\u901a\u4fe1\u6a21\u5757\u4e0eAT\u901a\u4fe1\u7684\u5bf9\u6bd4<\/h2>\n\n\n\n

\u3000\u30001. \u6280\u672f\u539f\u7406<\/h3>\n\n\n\n

\u3000\u3000DTU\u901a\u4fe1\u6a21\u5757\u91c7\u7528GPRS\/3G\/4G\u7b49\u65e0\u7ebf\u7f51\u7edc\u5b9e\u73b0\u8bbe\u5907\u4e0e\u4e91\u7aef\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u800cAT\u901a\u4fe1\u5219\u662f\u901a\u8fc7\u4e32\u53e3\u901a\u4fe1\u5c06\u8bbe\u5907\u7684\u6570\u636e\u53d1\u9001\u5230\u4e91\u7aef\u3002<\/p>\n\n\n\n

\u3000\u30002. \u5e94\u7528\u573a\u666f<\/h3>\n\n\n\n

\u3000\u3000DTU\u901a\u4fe1\u6a21\u5757\u7684\u5e94\u7528\u573a\u666f\u4e3b\u8981\u96c6\u4e2d\u5728\u667a\u80fd\u5bb6\u5c45\u3001\u73af\u5883\u76d1\u6d4b\u3001\u667a\u80fd\u4ea4\u901a\u7b49\u9886\u57df\uff0c\u800cAT\u901a\u4fe1\u7684\u5e94\u7528\u573a\u666f\u4e3b\u8981\u96c6\u4e2d\u5728\u667a\u80fd\u5bb6\u5c45\u3001\u667a\u80fd\u5236\u9020\u3001\u667a\u80fd\u533b\u7597\u7b49\u9886\u57df\u3002<\/p>\n\n\n\n

\u3000\u30003. \u4f20\u8f93\u901f\u5ea6<\/h3>\n\n\n\n

\u3000\u3000DTU\u901a\u4fe1\u6a21\u5757\u7684\u4f20\u8f93\u901f\u5ea6\u76f8\u5bf9\u8f83\u5feb\uff0c\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u901f\u6570\u636e\u4f20\u8f93\uff0c\u800cAT\u901a\u4fe1\u7684\u4f20\u8f93\u901f\u5ea6\u76f8\u5bf9\u8f83\u6162\uff0c\u9002\u5408\u4e8e\u4f4e\u901f\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n

\u3000\u30004. \u901a\u4fe1\u7a33\u5b9a\u6027<\/h3>\n\n\n\n

\u3000\u3000DTU\u901a\u4fe1\u6a21\u5757\u7684\u901a\u4fe1\u7a33\u5b9a\u6027\u8f83\u9ad8\uff0c\u9002\u5408\u4e8e\u5bf9\u901a\u4fe1\u8d28\u91cf\u8981\u6c42\u8f83\u9ad8\u7684\u573a\u666f\uff0c\u800cAT\u901a\u4fe1\u7684\u901a\u4fe1\u7a33\u5b9a\u6027\u76f8\u5bf9\u8f83\u4f4e\uff0c\u9002\u5408\u4e8e\u5bf9\u901a\u4fe1\u8d28\u91cf\u8981\u6c42\u4e0d\u9ad8\u7684\u573a\u666f\u3002<\/p>\n\n\n\n

\u3000\u3000\u56db\u3001DTU\u901a\u4fe1\u6a21\u5757\u4e0eAT\u901a\u4fe1\u7684\u5e94\u7528\u6848\u4f8b<\/h2>\n\n\n\n

\u3000\u30001. DTU\u901a\u4fe1\u6a21\u5757\u5728\u667a\u80fd\u5bb6\u5c45\u4e2d\u7684\u5e94\u7528<\/h3>\n\n\n\n

\u3000\u3000\u667a\u80fd\u5bb6\u5c45\u7cfb\u7edf\u4e2d\uff0cDTU\u901a\u4fe1\u6a21\u5757\u53ef\u4ee5\u5b9e\u73b0\u5bb6\u5ead\u8bbe\u5907\u7684\u8fdc\u7a0b\u63a7\u5236\u548c\u6570\u636e\u76d1\u6d4b\u3002\u4f8b\u5982\uff0c\u901a\u8fc7DTU\u901a\u4fe1\u6a21\u5757\u53ef\u4ee5\u5b9e\u73b0\u667a\u80fd\u5bb6\u5c45\u8bbe\u5907\u7684\u8fdc\u7a0b\u5f00\u5173\u3001\u6e29\u5ea6\u3001\u6e7f\u5ea6\u7b49\u6570\u636e\u7684\u5b9e\u65f6\u76d1\u6d4b\u548c\u63a7\u5236\u3002<\/p>\n\n\n\n

\u3000\u30002. AT\u901a\u4fe1\u5728\u667a\u80fd\u5236\u9020\u4e2d\u7684\u5e94\u7528<\/h3>\n\n\n\n

\u3000\u3000\u5728\u667a\u80fd\u5236\u9020\u9886\u57df\u4e2d\uff0cAT\u901a\u4fe1\u53ef\u4ee5\u5b9e\u73b0\u8bbe\u5907\u7684\u8fdc\u7a0b\u76d1\u63a7\u548c\u7ba1\u7406\u3002\u4f8b\u5982\uff0c\u5728\u751f\u4ea7\u7ebf\u4e0a\uff0c\u901a\u8fc7AT\u901a\u4fe1\u53ef\u4ee5\u5b9e\u73b0\u8bbe\u5907\u7684\u8fdc\u7a0b\u63a7\u5236\u548c\u6570\u636e\u76d1\u6d4b\uff0c\u63d0\u9ad8\u751f\u4ea7\u6548\u7387\u548c\u54c1\u8d28\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e94\u3001\u7ed3\u8bba<\/h2>\n\n\n\n

\u3000\u3000DTU\u901a\u4fe1\u6a21\u5757\u548cAT\u901a\u4fe1\u90fd\u662f\u7269\u8054\u7f51\u9886\u57df\u4e2d\u5e38\u89c1\u7684\u901a\u4fe1\u6280\u672f\uff0c\u5b83\u4eec\u5404\u81ea\u5177\u6709\u4f18\u7f3a\u70b9\uff0c\u5e94\u7528\u573a\u666f\u4e5f\u4e0d\u540c\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u573a\u666f\u9009\u62e9\u5408\u9002\u7684\u901a\u4fe1\u6280\u672f\uff0c\u4ee5\u5b9e\u73b0\u6700\u4f73\u7684\u901a\u4fe1\u6548\u679c\u548c\u5e94\u7528\u6548\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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