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RS422\u5e38\u5e94\u7528\u4e8e\u8fdc\u8ddd\u79bb\u3001\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7684\u573a\u666f\uff0c\u5982\u5de5\u4e1a\u81ea\u52a8\u5316\u63a7\u5236\u7cfb\u7edf\u3001\u8fdc\u7a0b\u76d1\u63a7\u7cfb\u7edf\u548c\u533b\u7597\u8bbe\u5907\u7b49\u3002\u5176\u7a33\u5b9a\u53ef\u9760\u7684\u7279\u70b9\u4f7f\u5176\u6210\u4e3a\u5de5\u4e1a\u9886\u57df\u7684\u9996\u9009\u901a\u4fe1\u534f\u8bae\u3002<\/p>\n
RS232\u901a\u4fe1\u534f\u8bae<\/h2>\n
RS232\u662f\u6700\u65e9\u6d41\u884c\u8d77\u6765\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\u4e4b\u4e00\uff0c\u7528\u4e8e\u5728\u6570\u636e\u7ec8\u7aef\u8bbe\u5907\u4e0e\u6570\u636e\u901a\u4fe1\u8bbe\u5907\u4e4b\u95f4\u5b9e\u73b0\u6570\u636e\u4f20\u8f93\u3002\u5c3d\u7ba1\u5728\u901f\u7387\u548c\u6297\u5e72\u6270\u80fd\u529b\u65b9\u9762\u4e0d\u5982RS422\uff0c\u4f46RS232\u5728\u8ba1\u7b97\u673a\u901a\u4fe1\u548c\u901a\u4fe1\u8bbe\u5907\u63a7\u5236\u9886\u57df\u4ecd\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002<\/p>\n
RS232\u7279\u70b9<\/h3>\n
RS232\u4f7f\u7528\u5355\u7aef\u4f20\u8f93\uff0c\u9002\u5408\u4e8e\u76f8\u5bf9\u8f83\u77ed\u8ddd\u79bb\u7684\u6570\u636e\u4f20\u8f93\u9700\u6c42\u3002\u5b83\u7684\u901a\u4fe1\u901f\u7387\u8303\u56f4\u8f83\u5e7f\uff0c\u4ece\u51e0\u767e\u4f4d\u6bcf\u79d2\u5230\u6570\u5341\u4e07\u4f4d\u6bcf\u79d2\u4e0d\u7b49\uff0c\u9002\u7528\u4e8e\u591a\u79cd\u901a\u8baf\u9700\u6c42\u3002<\/p>\n
\u5e94\u7528\u573a\u666f<\/h4>\n
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