{"id":78281,"date":"2023-12-29T01:38:24","date_gmt":"2023-12-28T17:38:24","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=78281"},"modified":"2023-12-29T01:38:24","modified_gmt":"2023-12-28T17:38:24","slug":"dckyjdy","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/78281.html","title":{"rendered":"DB9\u4e32\u53e3\u5f15\u811a\u5b9a\u4e49422"},"content":{"rendered":"

  \u672c\u6587\u65e8\u5728\u4ecb\u7ecdDB9\u4e32\u53e3\u5f15\u811a\u5b9a\u4e49422\uff0c\u63a2\u8ba8\u5176\u5e94\u7528\u548c\u4f5c\u7528\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5229\u7528\u8fd9\u4e00\u4e32\u53e3\u6807\u51c6\u3002\u901a\u8fc7\u672c\u6587\u5b66\u4e60\uff0c\u8bfb\u8005\u5c06\u5bf9DB9\u4e32\u53e3\u5f15\u811a\u5b9a\u4e49422\u6709\u66f4\u6df1\u5165\u7684\u8ba4\u8bc6\uff0c\u5e76\u80fd\u591f\u66f4\u597d\u5730\u5e94\u7528\u4e8e\u5b9e\u9645\u573a\u666f\u4e2d\u3002<\/p>\n

DB9\u4e32\u53e3\u4ecb\u7ecd<\/h2>\n

  DB9\u5b9a\u4e49<\/h3>\n

  DB9\uff0c\u53c8\u79f0\u4e3aD-Sub 9\uff0c\u662f\u4e00\u79cd9\u9488\u7684D\u578b\u8fde\u63a5\u5668\uff0c\u5e38\u88ab\u7528\u4e8e\u4e32\u884c\u901a\u4fe1\u7aef\u53e3\u3002\u5b83\u662f\u4e00\u79cd\u6807\u51c6\u7684\u8fde\u63a5\u5668\uff0c\u5177\u67099\u4e2a\u5f15\u811a\uff0c\u6bcf\u4e2a\u5f15\u811a\u90fd\u6709\u7279\u5b9a\u7684\u529f\u80fd\u3002<\/p>\n

  DB9\u8fde\u63a5\u65b9\u5f0f<\/h3>\n

  DB9\u8fde\u63a5\u5668\u901a\u5e38\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u8bbe\u5907\u548c\u5916\u90e8\u8bbe\u5907\u3002\u5b83\u80fd\u591f\u652f\u6301\u4e0d\u540c\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5982RS-232\uff0cRS-422\u548cRS-485\u7b49\u3002<\/p>\n

422\u6807\u51c6<\/h2>\n

  RS-422\u5b9a\u4e49<\/h3>\n

  RS-422\u662f\u4e00\u79cd\u6807\u51c6\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u7528\u4e8e\u5728\u4e0d\u540c\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u3002\u5b83\u91c7\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u65b9\u5f0f\uff0c\u53ef\u4ee5\u5b9e\u73b0\u8fdc\u8ddd\u79bb\u7684\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u3002<\/p>\n

  DB9\u4e32\u53e3\u5f15\u811a\u5b9a\u4e49422<\/h3>\n

  \u5728RS-422\u534f\u8bae\u4e2d\uff0cDB9\u4e32\u53e3\u7684\u5f15\u811a\u5206\u914d\u662f\u56fa\u5b9a\u7684\uff0c\u5176\u4e2d\u5305\u62ec\u4f20\u8f93\u6570\u636e\u7684\u5f15\u811a\u3001\u63a5\u5730\u5f15\u811a\u7b49\uff0c\u8fd9\u4e9b\u5f15\u811a\u7684\u5b9a\u4e49\u5bf9\u4e8e\u5b9e\u73b0RS-422\u901a\u4fe1\u81f3\u5173\u91cd\u8981\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

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