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RS232\u63a5\u53e3\u534f\u8bae\u662f\u4e00\u79cd\u975e\u5e38\u6d41\u884c\u7684\u63a5\u53e3\u6807\u51c6\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u591a\u79cd\u4e0d\u540c\u7684\u7f51\u7edc\u8bbe\u5907\uff0c\u5305\u62ec\u8ba1\u7b97\u673a\u3001\u7f51\u7edc\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u3001\u6253\u5370\u673a\u7b49\u3002\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7684\u4f20\u8f93\u6280\u672f\uff0c\u5305\u62ecRS232\u3001RS485\u3001RS422\u7b49\uff0c\u80fd\u591f\u6ee1\u8db3\u4e0d\u540c\u7c7b\u578b\u7684\u8bbe\u5907\u4e4b\u95f4\u7684\u4e92\u8054\u9700\u6c42\u3002<\/p>\n
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