\u00a0\u00a0 \u95e8\u7981\uff0c\u53c8\u79f0\u51fa\u5165\u7ba1\u7406\u63a7\u5236\u7cfb\u7edf(ACCESS CONTROL SYSTEM)\u3002 \u662f\u4e00\u79cd\u7ba1\u7406\u4eba\u5458\u8fdb\u51fa\u7684\u6570\u5b57\u5316\u7ba1\u7406\u7cfb\u7edf\u3002\u5e38\u89c1\u7684\u95e8\u7981\u7cfb\u7edf\u6709\uff1a\u5bc6\u7801\u95e8\u7981\u7cfb\u7edf\uff0c\u975e\u63a5\u89e6 IC \u5361 ( \u611f\u5e94\u5f0f IC \u5361 ) \u95e8\u7981\u7cfb\u7edf\uff0c\u6307\u7eb9\u8679\u819c\u638c\u578b\u751f\u7269\u8bc6\u522b\u95e8\u7981\u7cfb\u7edf\u7b49\u7684\u603b\u79f0\u3002
\n\u3000\u3000\u95e8\u7981\u7cfb\u7edf\u5206\u7c7b
\n\u3000\u30001 \u4e0d\u8054\u7f51\u95e8\u7981\uff0c\u5c31\u662f\u4e00\u4e2a\u673a\u5b50\u7ba1\u7406\u4e00\u4e2a\u95e8\uff0c\u4e0d\u80fd\u7528\u7535\u8111\u8f6f\u4ef6\u8fdb\u884c\u63a7\u5236\uff0c\u4e5f\u4e0d\u80fd\u770b\u5230\u8bb0\u5f55\uff0c\u76f4\u63a5\u901a\u8fc7\u63a7\u5236\u5668\u8fdb\u884c\u63a7\u5236\u3002\u7279\u70b9\u662f\u4ef7\u683c\u4fbf\u5b9c\uff0c\u5b89\u88c5\u7ef4\u62a4\u7b80\u5355\uff0c\u4e0d\u80fd\u67e5\u770b\u8bb0\u5f55\uff0c\u4e0d\u9002\u5408\u4eba\u6570\u91cf\u591a\u4e8e50\u6216\u8005\u4eba\u5458\u7ecf\u5e38\u6d41\u52a8(\u6307\u7ecf\u5e38\u6709\u4eba\u5165\u804c\u548c\u79bb\u804c)\u7684\u5730\u65b9\uff0c\u4e5f\u4e0d\u9002\u5408\u95e8\u6570\u91cf\u591a\u4e8e5\u7684\u5de5\u7a0b\u3002
\n\u3000\u30002 485\u8054\u7f51\u95e8\u7981\uff0c\u5c31\u662f\u53ef\u4ee5\u548c\u7535\u8111\u8fdb\u884c\u901a\u8baf\u7684\u95e8\u7981\u7c7b\u578b\uff0c\u76f4\u63a5\u4f7f\u7528\u8f6f\u4ef6\u8fdb\u884c\u7ba1\u7406\uff0c\u5305\u62ec\u5361\u548c\u4e8b\u4ef6\u63a7\u5236\u3002\u6240\u4ee5\u6709\u7ba1\u7406\u65b9\u4fbf\u3001\u63a7\u5236\u96c6\u4e2d\u3001\u53ef\u4ee5\u67e5\u770b\u8bb0\u5f55\u3001\u5bf9\u8bb0\u5f55\u8fdb\u884c\u5206\u6790\u5904\u7406\u4ee5\u7528\u4e8e\u5176\u5b83\u76ee\u7684\u3002\u7279\u70b9\u662f\u4ef7\u683c\u6bd4\u8f83\u9ad8\u3001\u5b89\u88c5\u7ef4\u62a4\u96be\u9053\u52a0\u5927\uff0c\u4f46\u57f9\u8bad\u7b80\u5355\uff0c\u53ef\u4ee5\u8fdb\u884c\u8003\u52e4\u7b49\u589e\u503c\u670d\u52a1\u3002\u9002\u5408\u4eba\u591a\u3001\u6d41\u52a8\u6027\u5927\u3001\u95e8\u591a\u7684\u5de5\u7a0b\u3002
\n\u3000\u30003 TCP\/IP\u95e8\u7981\uff0c\u4e5f\u53eb\u4ee5\u592a\u7f51\u8054\u7f51\u95e8\u7981\uff0c\u4e5f\u662f\u53ef\u4ee5\u8054\u7f51\u7684\u95e8\u7981\u7cfb\u7edf\uff0c\u4f46\u662f\u901a\u8fc7\u7f51\u7edc\u7ebf\u628a\u7535\u8111\u548c\u63a7\u5236\u5668\u8fdb\u884c\u8054\u7f51\u3002\u9664\u5177\u6709485\u95e8\u7981\u8054\u7f51\u7684\u5168\u90e8\u4f18\u70b9\u4ee5\u5916\uff0c\u8fd8\u5177\u6709\u901f\u5ea6\u66f4\u5feb\uff0c\u5b89\u88c5\u66f4\u7b80\u5355\uff0c\u8054\u7f51\u6570\u91cf\u66f4\u5927\uff0c\u53ef\u4ee5\u8de8\u5730\u57df\u6216\u8005\u8de8\u57ce\u8054\u7f51\u3002\u4f46\u5b58\u5728\u8bbe\u5907\u4ef7\u683c\u9ad8\uff0c\u9700\u8981\u6709\u7535\u8111\u7f51\u7edc\u77e5\u8bc6\u3002\u9002\u5408\u5b89\u88c5\u5728\u5927\u9879\u76ee\u3001\u4eba\u6570\u91cf\u591a\u3001\u5bf9\u901f\u5ea6\u6709\u8981\u6c42\u3001\u8de8\u5730\u57df\u7684\u5de5\u7a0b\u4e2d\u3002
\n\u3000\u30004 \u6307\u7eb9\u95e8\u7981\u7cfb\u7edf\uff0c\u5c31\u662f\u901a\u8fc7\u6307\u7eb9\u4ee3\u66ff\u5361\u8fdb\u884c\u7ba1\u7406\u7684\u95e8\u7981\u8bbe\u5907\uff0c\u5177\u6709\u548c485\u76f8\u540c\u7684\u7279\u6027\uff0c\u4f46\u5177\u6709\u66f4\u597d\u7684\u5b89\u5168\u6027\uff0c\u7f3a\u70b9\u662f\u767b\u8bb0\u7684\u4eba\u6570\u91cf\u8f83\u5c11\uff0c\u901a\u8fc7\u901f\u5ea6\u6162\u3002
\n\u00a0\u00a0 \u95e8\u7981\u7cfb\u7edf\u65bd\u5de5\u5e03\u7ebf
\n\u3000\u3000\u8bfb\u5361\u5668\u5230\u63a7\u5236\u5668\u7684\u7ebf\uff0c\u5efa\u8bae\u75288\u82af\u5c4f\u853d\u591a\u80a1\u53cc\u7ede\u7f51\u7ebf(\u5176\u4e2d\u4e09\u82af\u5907\u7528\uff0c\u5982\u679c\u4e0d\u9700\u8981\u8bfb\u5361\u5668\u58f0\u5149\u53cd\u9988\u5408\u6cd5\u5361\u53ef\u4e0d\u63a5LED\u7ebf)\uff0c\u6570\u636e\u7ebf Data1 Data0\u4e92\u4e3a\u53cc\u7ede\u3002\u7ebf\u5f84\u5efa\u8bae0.3\u5e73\u65b9\u6beb\u7c73\u4ee5\u4e0a\u3002\u6700\u957f\u4e0d\u53ef\u4ee5\u8d85\u8fc7100\u7c73\u3002\u5c4f\u853d\u7ebf\u63a5\u63a7\u5236\u5668\u7684GND\u3002\u6309\u94ae\u5230\u63a7\u5236\u5668\u7684\u7ebf\uff0c\u5efa\u8bae\u91c7\u7528\u4e24\u82af\u7ebf\uff0c\u7ebf\u5f84\u57280.3\u5e73\u65b9\u6beb\u7c73\u4ee5\u4e0a\u3002
\n\u3000\u3000\u7535\u9501\u5230\u63a7\u5236\u5668\u7684\u7ebf\uff0c\u5efa\u8bae\u4f7f\u7528\u4e24\u82af\u7535\u6e90\u7ebf\uff0c\u7ebf\u5f84\u57281.0\u5e73\u65b9\u6beb\u7c73\u4ee5\u4e0a\u3002\u5982\u679c\u8d85\u8fc750\u7c73\u8981\u8003\u8651\u7528\u66f4\u7c97\u7684\u7ebf\uff0c\u6216\u8005\u591a\u80a1\u5e76\u8054\uff0c\u548c\uff1b\u6216\u8005\u901a\u8fc7\u7535\u6e90\u7684\u5fae\u8c03\u6309\u94ae\uff0c\u8c03\u9ad8\u8f93\u51fa\u7535\u538b\u523014V\u5de6\u53f3\u3002\u6700\u957f\u4e0d\u8981\u8d85\u8fc7100\u7c73\u3002\u95e8\u78c1\u5230\u63a7\u5236\u5668\u7684\u7ebf\uff0c\u5efa\u8bae\u9009\u62e9\u4e24\u82af\u7ebf\uff0c\u7ebf\u5f84\u57280.3\u5e73\u65b9\u6beb\u7c73\u4ee5\u4e0a\uff0c\u5982\u679c\u65e0\u9700\u5728\u7ebf\u4e86\u89e3\u95e8\u7684\u5f00\u5173\u72b6\u6001 \u6216\u8005 \u65e0\u9700\u95e8\u957f\u65f6\u95f4\u672a\u5173\u95ed\u62a5\u8b66 \u548c \u975e\u6cd5\u95ef\u5165\u62a5\u8b66\u529f\u80fd\uff0c\u95e8\u78c1\u7ebf\u53ef\u4e0d\u63a5\u3002
\n\u3000\u3000\u63a7\u5236\u5668\u5230\u63a7\u5236\u5668\u4e4b\u95f4\uff0c\u4ee5\u53ca\u63a7\u5236\u5668\u5230\u8f6c\u6362\u5668\u7684\u7ebf\uff0c\u5efa\u8bae\u4f7f\u75288\u82af\u5c4f\u853d\u53cc\u7ede\u7f51\u7ebf\u3002\u7ebf\u5f84\u57280.3\u5e73\u65b9\u6beb\u7c73\u4ee5\u4e0a\uff0c485+\u548c485-\u4e00\u5b9a\u8981\u4e92\u4e3a\u53cc\u7ede\uff0c\u5176\u4e2d6\u82af\u5907\u7528\uff0c\u5c4f\u853d\u7ebf\u53ef\u4e0d\u63a5\uff0c\u5982\u679c\u901a\u8baf\u4e0d\u7545\u901a\uff0c\u53ef\u4ee5\u8003 \u8651\u7528\u5c4f\u853d\u7ebf\u5c06\u6240\u6709\u63a7\u5236\u5668\u7684GND\u8fdb\u884c\u8fde\u63a5\uff0c\u6216\u8005\u5728485\u603b\u7ebf\u7684\u6700\u540e\u4e00\u53f0\u63a7\u5236\u5668\u7684485+ \u548c 485-\u4e4b\u95f4\u5e76\u8054120\u6b27\u59c6\u7684\u7ec8\u7aef\u7535\u963b\u6765\u6539\u5584\u901a\u8baf\u8d28\u91cf\u3002 485\u603b\u7ebf\u957f\u5ea6\uff0c\u7406\u8bba\u4e0a\u662f\u53ef\u4ee5\u8fbe\u52301200\u7c73\uff0c\u5efa\u8bae\u6839\u636e\u63a7\u5236\u5668\u6570\u91cf\u6216\u8005\u901a\u8baf\u73af\u5883\u7684\u590d\u6742\u6027\uff0c\u4e0d\u8981\u8d85\u8fc7800\u7c73\u3002\u5982\u679c\u8d85\u8fc7\u8bf7\u9009\u7528485HUB\u6216\u8005\u4e2d\u7ee7\u5668\u6765\u6539\u5584\u901a\u8baf\u73af\u5883\u3002
\n\u3000\u3000\u6240\u6709\u8d70\u7ebf\u90fd\u5fc5\u987b\u5957\u7ba1\uff0cPVC\u7ba1\u548c\u9540\u950c\u7ba1\u90fd\u53ef\u4ee5\uff0c\u907f\u514d\u8001\u9f20\u54ac\u65ad\u7ebf\u8def\u5f15\u8d77\u6545\u969c\u3002
\n\u3000\u3000\u867d\u7136\u63a7\u5236\u5668\u5177\u5907\u4e86\u826f\u597d\u7684\u9632\u9759\u7535 \u9632\u96f7\u51fb \u9632\u6f0f\u7535\u8bbe\u8ba1\uff0c\u8bf7\u52a1\u5fc5\u4fdd\u8bc1\u63a7\u5236\u5668\u673a\u7bb1\u548c\u4ea4\u6d41\u7535\u5730\u7ebf\u8fde\u63a5\u5b8c\u5584\uff0c\u4e14\u4ea4\u6d41\u7535\u5730\u7ebf\u771f\u5b9e\u63a5\u5730\u3002
\n\u3000\u3000\u5efa\u8bae\u60a8\u4e0d\u8981\u7ecf\u5e38\u5e26\u7535\u62d4\u63d2\u63a5\u7ebf\u7aef\u5b50\uff0c\u8bf7\u52a1\u5fc5\u62d4\u4e0b\u63a5\u7ebf\u7aef\u5b50\uff0c\u518d\u8fdb\u884c\u76f8\u5e94\u7684\u710a\u63a5\u5de5\u4f5c\u3002
\n\u3000\u3000\u8bf7\u52ff\u64c5\u81ea\u62c6\u5378\u6216\u8005\u66f4\u6362\u63a7\u5236\u5668\u7684\u82af\u7247\uff0c\u975e\u4e13\u4e1a\u7684\u64cd\u4f5c\u4f1a\u5bfc\u81f4\u63a7\u5236\u5668\u635f\u6bc1\u3002
\n\u3000\u3000\u4e0d\u5efa\u8bae\u60a8\u64c5\u81ea\u5bf9\u63a5\u5176\u4ed6\u9644\u52a0\u8bbe\u5907\uff0c\u6240\u6709\u975e\u5e38\u89c4\u7684\u64cd\u4f5c\uff0c\u8bf7\u52a1\u5fc5\u5148\u4e8e\u6211\u65b9\u5de5\u7a0b\u5e08\u6c9f\u901a\u3002
\n\u3000\u3000\u4e0d\u8981\u5c06\u63a7\u5236\u5668\u548c\u5176\u4ed6\u5927\u7535\u6d41\u8bbe\u5907\u63a5\u5728\u540c\u4e00\u4f9b\u7535\u63d2\u5ea7\u4e0a\u3002
\n\u3000\u3000\u8bfb\u5361\u5668 \u6309\u94ae\u7684\u5b89\u88c5\u9ad8\u5ea6\u662f\u8ddd\u5730\u97621.45\u7c73\uff0c\u53ef\u4ee5\u6839\u636e\u5ba2\u6237\u7684\u4f7f\u7528\u4e60\u60ef\uff0c\u9002\u5f53\u589e\u52a0\u6216\u8005\u964d\u4f4e\u3002
\n\u3000\u3000\u63a7\u5236\u5668\u5efa\u8bae\u5b89\u88c5\u5728\u5f31\u7535\u4e95\u7b49\u4fbf\u4e8e\u7ef4\u62a4\u7684\u5730\u70b9\u3002
\n\u3000\u3000\u63a5\u7ebf\u7aef\u5b50\u6ce8\u610f\u89c4\u8303\u63a5\u7ebf\uff0c\u4e0d\u8981\u88f8\u9732\u91d1\u5c5e\u90e8\u5206\u8fc7\u957f\uff0c\u4ee5\u514d\u5f15\u8d77\u77ed\u8def\u548c\u901a\u8baf\u6545\u969c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u00a0\u00a0 \u95e8\u7981\uff0c\u53c8\u79f0\u51fa\u5165\u7ba1\u7406\u63a7\u5236\u7cfb\u7edf(ACCESS CONTROL SYSTEM)\u3002 \u662f\u4e00\u79cd\u7ba1\u7406\u4eba\u5458\u8fdb\u51fa\u7684\u6570\u5b57\u5316\u7ba1 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[24,48,35],"class_list":["post-203","post","type-post","status-publish","format-standard","hentry","category-49","tag-qtbuxian","tag-48","tag-35"],"_links":{"self":[{"href":"http:\/\/www.qtbuxian.com\/index.php?rest_route=\/wp\/v2\/posts\/203","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.qtbuxian.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.qtbuxian.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.qtbuxian.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.qtbuxian.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=203"}],"version-history":[{"count":2,"href":"http:\/\/www.qtbuxian.com\/index.php?rest_route=\/wp\/v2\/posts\/203\/revisions"}],"predecessor-version":[{"id":205,"href":"http:\/\/www.qtbuxian.com\/index.php?rest_route=\/wp\/v2\/posts\/203\/revisions\/205"}],"wp:attachment":[{"href":"http:\/\/www.qtbuxian.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=203"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.qtbuxian.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=203"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.qtbuxian.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=203"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}