{"id":97768,"date":"2024-09-18T11:42:31","date_gmt":"2024-09-18T03:42:31","guid":{"rendered":"\/\/www.viralrail.com\/?p=97768"},"modified":"2024-09-18T11:42:36","modified_gmt":"2024-09-18T03:42:36","slug":"gmkzwfsjs-2","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/97768.html","title":{"rendered":"GPRS\u6a21\u5757\u7ec4\u7f51\u65b9\u5f0f\u4ecb\u7ecd"},"content":{"rendered":"\n<p>\u3000\u3000<strong>GPRS\u6a21\u5757<\/strong>\u7684\u7ec4\u7f51\u65b9\u5f0f\u591a\u79cd\u591a\u6837\uff0c\u4e3b\u8981\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684GPRS\u6a21\u5757\u7ec4\u7f51\u65b9\u5f0f\u53ca\u5176\u7279\u70b9\uff1a<\/p>\n\n\n\n<ul 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class=\"wp-block-heading\">\u3000\u30002. \u8fde\u63a5GPRS\u6a21\u5757\u5230RS485\u63a5\u53e3<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u786c\u4ef6\u8fde\u63a5<\/strong>\uff1a<\/p>\n\n\n\n<p>\u3000\u3000\u5c06GPRS\u6a21\u5757\u7684RS485\u53e3\u7684A\u63a5\u53e3\u8fde\u63a5\u5230\u63a7\u5236\u5668\u4e0a\u7684RS485\u53e3\u7684A\u63a5\u53e3\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5c06GPRS\u6a21\u5757\u7684RS485\u53e3\u7684B\u63a5\u53e3\u8fde\u63a5\u5230\u63a7\u5236\u5668\u4e0a\u7684RS485\u53e3\u7684B\u63a5\u53e3\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u786e\u4fddRS485\u7b2c\u4e00\u901a\u9053\u548c\u7b2c\u4e8c\u901a\u9053\u7684485\u603b\u7ebf\u7528\u7ebf\u8fde\u63a5(A \u548c A \u5bf9\u63a5\uff0cB \u548c B \u5bf9\u63a5\uff0cGND \u5bf9 GND 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class=\"wp-block-heading\">\u3000\u30001. \u77ed\u6d88\u606f(SMS)<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u5e94\u7528\u573a\u666f\uff1a<\/strong><\/p>\n\n\n\n<p>\u3000\u3000<strong>\u79fb\u52a8\u7ec8\u7aef\u6f2b\u6e38\u65f6\u7684\u77ed\u4fe1\u670d\u52a1<\/strong>\uff1a\u5f53\u79fb\u52a8\u7ec8\u7aef\u540c\u65f6\u5177\u6709GSM CS\u548cGPRS\u8fde\u63a5\u65f6\uff0cIIF\u53ef\u4ee5\u5145\u5f53GSM 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class=\"wp-block-heading\">\u3000\u30002. \u4e13\u7ebf<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u5e94\u7528\u573a\u666f\uff1a<\/strong><\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4f01\u4e1a\u5185\u90e8\u7f51\u7edc\u8bbf\u95ee<\/strong>\uff1aGPRS\u7f51\u901a\u8fc7GGSN\u4e0e\u5916\u90e8ISP\u7f51\u7edc\u3001\u4f01\u4e1a\u7f51\u53caIP\u7f51\u76f8\u8fde\uff0cSGSN\u8d1f\u8d23\u6570\u636e\u5305\u7684\u8def\u7531\u53ca\u7528\u6237\u9274\u6743\u7b49\u5de5\u4f5c\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u8fdc\u7a0b\u8bbf\u95ee<\/strong>\uff1a\u516c\u53f8\u8f6c\u5411\u4f7f\u7528\u4e92\u8054\u7f51\u8ba9\u8fdc\u7a0b\u5458\u5de5\u8bbf\u95ee\u4f01\u4e1a\u5185\u7f51\uff0c\u8fd9\u79cd\u57fa\u4e8e\u4e92\u8054\u7f51\u7684\u6280\u672f\u9700\u8981VPN\u6765\u4fdd\u8bc1\u9690\u79c1\u548c\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4f18\u70b9\uff1a<\/strong><\/p>\n\n\n\n<p>\u3000\u3000<strong>\u6210\u672c\u6548\u76ca<\/strong>\uff1a\u4f7f\u7528\u4e92\u8054\u7f51\u6bd4\u957f\u9014\u7535\u8bdd\u66f4\u5177\u6210\u672c\u6548\u76ca\uff0c\u5e76\u4e14\u5728\u56fd\u9645\u8fde\u63a5\u4e2d\u66f4\u4e3a\u53ef\u9760\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7075\u6d3b\u6027\u5f3a<\/strong>\uff1a\u53ef\u4ee5\u6839\u636e\u9700\u8981\u7075\u6d3b\u9009\u62e9\u52a0\u5bc6\u7ea7\u522b\u548c\u7c7b\u578b\uff0c\u4f8b\u598256\u4f4d\u6216128\u4f4d\u52a0\u5bc6\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7f3a\u70b9\uff1a<\/strong><\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5b89\u5168\u98ce\u9669<\/strong>\uff1a\u57fa\u4e8e\u4e92\u8054\u7f51\u7684\u6280\u672f\u5f15\u53d1\u4e86\u9ed1\u5ba2\u5bf9\u9690\u79c1\u7684\u62c5\u5fe7\uff0c\u56e0\u6b64\u9700\u8981\u989d\u5916\u7684\u5b89\u5168\u63aa\u65bd\u5982VPN\u6765\u4fdd\u62a4\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003. VPN\u4e13\u7f51<\/h3>\n\n\n\n<p>\u3000\u3000<strong>\u5e94\u7528\u573a\u666f\uff1a<\/strong><\/p>\n\n\n\n<p>\u3000\u3000<strong>\u52a8\u6001\u7f51\u7edc\u57fa\u7840\u7684\u865a\u62df\u4e13\u7528\u7f51\u7edc\u90e8\u7f72<\/strong>\uff1a\u5728GPRS\u8fb9\u754c\u7f51\u5173\u548c\u4f01\u4e1a\u5185\u7f51\u7f51\u5173\u4e4b\u95f4\u5efa\u7acbVPN\uff0c\u63d0\u4f9b\u5b89\u5168\u7684\u8fdc\u7a0b\u8bbf\u95ee\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>IP VPN\u73af\u5883\u7ed3\u5408<\/strong>\uff1aGPRS\u7f51\u901a\u8fc7GGSN\u4e0e\u5916\u90e8ISP\u7f51\u7edc\u3001\u4f01\u4e1a\u7f51\u53caIP\u7f51\u76f8\u8fde\uff0c\u5b9e\u73b0\u5b89\u5168\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4f18\u70b9\uff1a<\/strong><\/p>\n\n\n\n<p>\u3000\u3000<strong>\u5b89\u5168\u6027\u9ad8<\/strong>\uff1a\u901a\u8fc7\u4e00\u7cfb\u5217\u4fdd\u62a4\u673a\u5236(\u5982GPRS\u52a0\u5bc6\u548cVPN\u90e8\u7f72)\uff0c\u63d0\u4f9b\u5b89\u5168\u7684\u8fdc\u7a0b\u8bbf\u95ee\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u4e92\u64cd\u4f5c\u6027\u5f3a<\/strong>\uff1a\u6709\u591a\u79cd\u6807\u51c6\u5b9a\u4e49\u4e86VPN\u4ea7\u54c1\u7684\u4e92\u64cd\u4f5c\u6027\uff0c\u5305\u62ecPPTP\u3001L2TP\u3001SOCKS\u548cIPsec\u7b49\u3002<\/p>\n\n\n\n<p>\u3000\u3000<strong>\u7f3a\u70b9\uff1a<\/strong><\/p>\n\n\n\n<p>\u3000\u3000<strong>\u914d\u7f6e\u590d\u6742<\/strong>\uff1a\u9700\u8981\u5728\u79fb\u52a8\u8ba1\u7b97\u673a\u548c\u4f01\u4e1a\u7f51\u7edc\u4e24\u7aef\u5b89\u88c5\u989d\u5916\u7684\u8f6f\u4ef6\u6765\u5efa\u7acb\u201c\u96a7\u9053\u201d\uff0c\u589e\u52a0\u4e86\u914d\u7f6e\u7684\u590d\u6742\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u77ed\u6d88\u606f\u3001\u4e13\u7ebf\u548cVPN\u4e13\u7f51\u5728GPRS\u6a21\u5757\u7ec4\u7f51\u4e2d\u6709\u5404\u81ea\u7684\u5e94\u7528\u573a\u666f\u548c\u4f18\u7f3a\u70b9\u3002\u77ed\u6d88\u606f\u670d\u52a1\u9002\u5408\u5b9e\u65f6\u6570\u636e\u4f20\u8f93\u548c\u79fb\u52a8\u7ec8\u7aef\u6f2b\u6e38\u65f6\u7684\u77ed\u4fe1\u670d\u52a1;\u4e13\u7ebf\u9002\u7528\u4e8e\u4f01\u4e1a\u5185\u90e8\u7f51\u7edc\u8bbf\u95ee\u548c\u8fdc\u7a0b\u8bbf\u95ee;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 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Net\u7b49\u5f00\u653e\u7f51\u7edc\uff0c\u4ee5\u786e\u4fdd\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\u548c\u8bbe\u5907\u7ba1\u7406\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u591a\u70b9\u5bf9\u591a\u70b9\u901a\u4fe1\u6280\u672f\u5728\u5de5\u4e1a\u63a7\u5236\u9886\u57df\u7684\u5e94\u7528\u6848\u4f8b\u8868\u660e\u4e86\u5176\u5728\u63d0\u9ad8\u7cfb\u7edf\u53ef\u9760\u6027\u3001\u964d\u4f4e\u8bbe\u5907\u6210\u672c\u3001\u4f18\u5316\u80fd\u6e90\u6548\u7387\u7b49\u65b9\u9762\u7684\u663e\u8457\u4f18\u52bf\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 GPRS\/CDMA Modem\u62e8\u53f7\u65b9\u5f0f\u4e0eAPN\/VPDN\u65b9\u5f0f\u5728\u6570\u636e\u4e2d\u5fc3\u4e0a\u7f51\u4e2d\u7684\u6027\u80fd\u6bd4\u8f83\u3002<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u6570\u636e\u4e2d\u5fc3\u4e0a\u7f51\u4e2d\uff0cGPRS\/CDMA 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