{"id":2449,"date":"2014-11-13T17:35:52","date_gmt":"2014-11-13T09:35:52","guid":{"rendered":"http:\/\/www.fluck.cn\/?p=2449"},"modified":"2014-11-13T17:35:52","modified_gmt":"2014-11-13T09:35:52","slug":"dsx5000-resistance-unbalance-testing","status":"publish","type":"post","link":"https:\/\/www.lqsdjs.com\/html\/dsx5000-resistance-unbalance-testing.html","title":{"rendered":"DSX-5000\u65b0\u529f\u80fd\uff1a\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\u6d4b\u8bd5\uff1a\u4e3a\u60a8\u7684PoE\u7cfb\u7edf\u63d0\u4f9b\u7b80\u5355\u800c\u7ecf\u6d4e\u7684\u4fdd\u8bc1"},"content":{"rendered":"

DSX-5000<\/a>\u65b0\u529f\u80fd\uff1a\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\u6d4b\u8bd5\uff1a\u4e3a\u60a8\u7684PoE\u7cfb\u7edf\u63d0\u4f9b\u7b80\u5355\u800c\u7ecf\u6d4e\u7684\u4fdd\u8bc1\u3002<\/p>\n

\u867d\u7136 10\/100BASE-T\uff08\u5373 10 \u548c 100 Mbps\uff09\u5e94\u7528\u53ea\u9700\u8981\u4e24\u6839\u53cc\u7ede\u7ebf\u8fdb\u884c\u4f20\u8f93\uff0c\u5269\u4e0b\u4e00\u6839\u56db\u5bf9\u7ede\u7ebf\u4e2d\u7684\u4e24\u6839\u5907\u7528\u7684\u53cc\u7ede\u7ebf\u4f9b PoE \u4f7f\u7528\uff0c\u4f46\u5343\u5146\u4ee5\u592a\u7f51\u9700\u8981\u6240\u6709\u56db\u6839\u53cc\u7ede\u7ebf\u624d\u80fd\u8fdb\u884c\u53cc\u5411\u4f20\u8f93\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0cPoE \u901a\u8fc7\u540c\u65f6\u4f20\u8f93\u6570\u636e\u7684\u53cc\u7ede\u7ebf\u5b9e\u73b0\u3002<\/p>\n

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\u8fd9\u901a\u5e38\u79f0\u4e3a\u5e7b\u50cf\u4f9b\u7535\uff0c\u5b9e\u73b0\u65b9\u5f0f\u662f\u5728\u4e00\u6839\u56db\u5bf9\u4ee5\u592a\u7f51\u7ebf\u7f06\u7684\u4e24\u6839\u53cc\u7ede\u7ebf\u4e4b\u95f4\u65bd\u52a0\u4e00\u4e2a\u5171\u6a21\u7535\u538b\uff0cPoE \u4e0d\u80fd\u5e72\u6270\u6570\u636e\u4f20\u8f93\u3002\u4f46\u662f\uff0cPoE \u8fde\u63a5\u4e2d\u7684\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\u53ef\u80fd\u4f1a\u4ea7\u751f\u4e25\u91cd\u95ee\u9898\u3002\u867d\u7136 TIA \u6027\u80fd\u73b0\u573a\u6d4b\u8bd5\u4e2d\u5e76\u4e0d\u8981\u6c42\u8fdb\u884c\u7535\u963b\u4e0d\u5e73\u8861\u6d4b\u8bd5\uff0c\u4f46 IEEE \u7684 PoE \u6807\u51c6\u4e2d\u6307\u5b9a\u4e86\u8be5\u6d4b\u8bd5\uff0c\u800c\u4e3a\u4e86\u4fdd\u8bc1\u8bbe\u5907\u83b7\u5f97\u6240\u9700\u7684\u7535\u529b\u548c\u6570\u636e\uff0c\u8fd8\u9700\u8981\u5f88\u591a\u52aa\u529b\u4f7f\u8be5\u6d4b\u8bd5\u6210\u4e3a\u73b0\u573a\u6d4b\u8bd5\u8981\u6c42\u3002<\/p>\n<\/div>\n

\n

\u4e86\u89e3 PoE \u548c\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861<\/p>\n

IEEE 802.3af PoE \u6807\u51c6\u662f\u4e3a\u4e86\u901a\u8fc7\u53cc\u7ede\u6570\u636e\u7ebf\u4e3a\u8bbe\u5907\u63d0\u4f9b\u8fdc\u7a0b\u4f4e\u7535\u538b\u800c\u5f00\u53d1\u7684\u3002\u7535\u529b\u901a\u8fc7\u7535\u6e90\u8bbe\u5907 (PSE) \u6ce8\u5165\uff0c\u8fd9\u901a\u5e38\u662f\u4e00\u79cd\u542f\u7528\u4e86 PoE \u7684\u5f00\u5173\u6216\u4e00\u79cd\u4e2d\u8de8\u7535\u529b\u8bbe\u5907\u3002\u7535\u529b\u53ef\u7531\u53e6\u4e00\u7aef\u7684\u591a\u79cd\u7528\u7535\u8bbe\u5907 (PD) \u4f7f\u7528\uff0c\u5305\u62ec\u8bed\u97f3\u7535\u8bdd\u3001\u65e0\u7ebf\u63a5\u5165\u70b9 (WAP)\u3001\u6302\u949f\u3001\u4f20\u611f\u5668\u3001\u6444\u50cf\u673a\u3001\u8bbf\u95ee\u63a7\u5236\u9762\u677f\u7b49\u3002<\/p>\n

\u539f\u59cb IEEE 802.3af \u6807\u51c6\u901a\u8fc7\u53cc\u7ede\u7ebf\u6700\u9ad8\u53ef\u63d0\u4f9b 15.4 W\uff0813 W \u53ef\u7528\uff09\u529f\u7387\uff0c\u800c\u6700\u65b0\u7684 IEEE 802.3at PoE Plus \u6807\u51c6\u5c06\u6700\u5927\u529f\u7387\u503c\u63d0\u9ad8\u5230 30 W\uff0825.5 W \u53ef\u7528\uff09\u3002PoE Plus \u662f\u4e3a\u9700\u8981\u66f4\u9ad8\u529f\u7387\u7684\u8bbe\u5907\u800c\u5f00\u53d1\u7684\uff0c\u5982\u8f83\u9ad8\u529f\u7387 WAP\u3001\u6cdb\u503e\u659c\u53d8\u7126\u7167\u76f8\u673a\u3001LED \u663e\u793a\u5c4f\u7b49\u3002\u5b9e\u9645\u4e0a\uff0c\u4e3a\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u4fe1\u53f7\u5904\u7406\u548c\u9700\u8981 PoE Plus \u7684\u66f4\u9ad8\u5e27\u901f\u7387\uff0c\u6700\u65b0\u7684 802.11ac \u5343\u5146 WiFi \u6807\u51c6\u6709\u66f4\u9ad8\u7684\u529f\u7387\u8981\u6c42\u3002<\/p>\n

IEEE \u6807\u51c6\u4e3a PSE \u6307\u5b9a\u4e86\u4e24\u79cd\u4f7f\u7528\u4e00\u6839\u56db\u5bf9\u6570\u636e\u7ebf\u7f06\u4e2d\u7684\u4e24\u6839\u53cc\u7ede\u7ebf\u6765\u63d0\u4f9b\u7535\u529b\u7684\u65b9\u6cd5\u2014\u65b9\u6cd5 A \u548c B\u3002\u5728\u65b9\u6cd5 B \u4e2d\uff0c\u7535\u529b\u662f\u901a\u8fc7\u5907\u7528\u53cc\u7ede\u7ebf\u4f7f\u7528\u53cc\u7ede\u7ebf 1 \u548c 4 \u63d0\u4f9b\u7684\u3002\u8fd9\u4e0e\u4ec5\u4f7f\u7528\u4e24\u6839\u53cc\u7ede\u7ebf\uff08\u53cc\u7ede\u7ebf 2 \u548c 3\uff09\u7684\u6570\u636e\u4fe1\u53f7\u517c\u5bb9\uff0c\u5305\u62ec 10\/100BASE-T \u5e94\u7528\u3002\u5728\u65b9\u6cd5 A \u4e2d\uff0c\u7535\u529b\u4e0e\u6570\u636e\u540c\u65f6\u901a\u8fc7\u53cc\u7ede\u7ebf 2 \u548c 3 \u63d0\u4f9b\uff0c\u517c\u5bb9\u4e24\u5bf9\u548c\u56db\u5bf9\u5e94\u7528\uff0c\u5305\u62ec 10\/100BASE-T \u548c 1000BASE-T\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

\n
\n

\u5728\u65b9\u6cd5 A \u4e2d\uff0c\u7535\u529b\u901a\u8fc7\u5e94\u7528\u5171\u6a21\u7535\u538b\u7ecf\u6570\u636e\u7ebf\u5bf9\u4f20\u8f93\u3002\u7535\u529b\u901a\u8fc7 PD \u53d8\u538b\u5668\u7684\u4e2d\u5fc3\u5206\u8def\u5668\u63a5\u6536\u548c\u8fd4\u56de\uff0c\u62c6\u5206\u53cc\u7ede\u7ebf\u4e2d\u5404\u5bfc\u7ebf\u4e4b\u95f4\u7684\u7535\u6d41\u3002\u53cc\u7ede\u7ebf\u4e2d\u6bcf\u6761\u7ebf\u7684\u7535\u963b\u76f8\u7b49\u65f6\uff0c\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\uff08\u4e24\u5bfc\u7ebf\u4e4b\u95f4\u7684\u7535\u963b\u5dee\uff09\u4e3a\u96f6\uff0c\u7535\u6d41\u5747\u5206\uff0c\u5373\u4e3a\u5171\u6a21\u7535\u6d41\u3002<\/p>\n

\"\"<\/div>\n

\u867d\u7136\u8bbe\u5907\u53ef\u4ee5\u627f\u53d7\u8f7b\u5fae\u7684\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\uff0c\u4f46\u8fc7\u5927\u7684\u4e0d\u5e73\u8861\u53ef\u80fd\u5bfc\u81f4\u53d8\u538b\u5668\u9971\u548c\u3002\u8fd9\u6700\u7ec8\u4f1a\u4f7f\u4ee5\u592a\u7f51\u6570\u636e\u4fe1\u53f7\u7684\u6ce2\u5f62\u53d8\u5f62\uff0c\u5bfc\u81f4\u4f4d\u9519\u8bef\u3001\u91cd\u590d\u4f20\u8f93\uff0c\u751a\u81f3\u6570\u636e\u94fe\u8def\u6545\u969c\u3002<\/p>\n

\u4ec0\u4e48\u5bfc\u81f4\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\uff1f<\/p>\n

\u53ef\u56e0\u591a\u79cd\u539f\u56e0\u5728 PoE \u6570\u636e\u94fe\u8def\u4e2d\u53d1\u751f\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\u3002\u867d\u7136 PSE \u548c\u7ec8\u7aef\u8bbe\u5907\u90fd\u53ef\u80fd\u4f1a\u53d1\u751f\u4e2d\u5fc3\u5206\u8def\u5668\u504f\u79fb\u4e4b\u7c7b\u7684\u53d8\u538b\u5668\u95ee\u9898\uff0c\u4f46\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\u66f4\u7ecf\u5e38\u662f\u56e0\u4e3a\u5de5\u827a\u5dee\u3001\u7aef\u5b50\u4e0d\u4e00\u81f4\u548c\u7ebf\u7f06\u8d28\u91cf\u4e0d\u8fbe\u6807\u5f15\u8d77\u7684\u3002<\/p>\n

\u957f\u671f\u4ee5\u6765\uff0c\u4e0d\u826f\u5b89\u88c5\u5b9e\u8df5\u4e00\u76f4\u662f\u7f51\u7edc\u6027\u80fd\u95ee\u9898\u7684\u5173\u952e\u3002\u4fdd\u8bc1\u6700\u5c0f\u5f2f\u66f2\u534a\u5f84\u548c\u4fdd\u6301\u5bf9\u7ede\u9760\u8fd1\u7aef\u70b9\u662f\u5b9e\u73b0\u6027\u80fd\u53c2\u6570\u7684\u5173\u952e\uff0c\u5bf9\u4e8e 1000BASE-T \u7b49\u8f83\u9ad8\u9891\u7387\u5e94\u7528\u66f4\u662f\u5982\u6b64\u3002\u76f8\u5bf9\u9ad8\u9891\u7387\u4f20\u8f93\u7279\u6027\u6765\u8bf4 PoE \u66f4\u4f9d\u8d56\u4e8e\u7279\u5b9a\u957f\u5ea6\u7ebf\u7f06\u7684\u76f4\u6d41\u7535\u963b\uff0c\u56e0\u800c\u67d0\u4e9b\u5b89\u88c5\u5b9e\u8df5\u4f1a\u4ea7\u751f\u5f71\u54cd\u3002<\/p>\n

\u5404\u4e2a\u5bfc\u7ebf\u7ec8\u7aef\u7684\u4e00\u81f4\u6027\u5bf9\u4e8e\u907f\u514d\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\u6709\u91cd\u8981\u610f\u4e49\u3002\u5c06\u5404\u4e2a\u5bfc\u7ebf\u538b\u5230\u7f51\u7edc\u63d2\u5ea7\u4e2d\u6b63\u786e\u7684 IDC \u5854\u4e2d\u4ee5\u53bb\u9664\u5bfc\u7ebf\u7edd\u7f18\u3001\u9732\u51fa\u94dc\uff0c\u7136\u540e\u5b8c\u6210\u8fde\u63a5\u3002\u5728\u8be5\u5b9e\u8df5\u8fc7\u7a0b\u4e2d\u4fdd\u6301\u6b63\u786e\u4e14\u4e00\u81f4\u7684\u5b89\u63d2\u5e76\u4e0d\u4e00\u5b9a\u662f\u4ef6\u5bb9\u6613\u7684\u4e8b\u3002\u63d2\u5165\u5bfc\u7ebf\u9700\u8981\u4e00\u5b9a\u7684\u529b\u5ea6\uff0c\u4e0d\u719f\u7ec3\u3001\u624b\u90e8\u75b2\u52b3\u548c\u8f83\u5927\u7684\u5bfc\u7ebf\u5c3a\u5bf8\u90fd\u4f1a\u5bf9\u4e00\u81f4\u6027\u4ea7\u751f\u5f71\u54cd\u3002\u5f53\u4e00\u5bf9 PoE \u7ebf\u4e2d\u7684\u4e24\u6839\u5bfc\u7ebf\u7ec8\u7aef\u4e0d\u4e00\u81f4\u65f6\uff0c\u5c31\u4f1a\u53d1\u751f\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\u3002\u4f7f\u7528\u6b63\u786e\u7684\u7ec8\u7aef\u5de5\u5177\u6709\u52a9\u4e8e\u63d0\u9ad8 PoE \u7cfb\u7edf\u4e2d\u7ec8\u7aef\u7684\u4e00\u81f4\u6027\u5e76\u907f\u514d\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\uff08\u89c1\u4fa7\u680f\u4e0a\u7684\u7ec8\u7aef\u5de5\u5177\uff09\u3002<\/p>\n

\u9664\u5408\u683c\u7684\u7ec8\u7aef\u5916\uff0c\u8fd8\u8981\u6709\u7cbe\u5bc6\u7684\u5236\u9020\u6d41\u7a0b\uff0c\u56e0\u4e3a\u7ebf\u7f06\u548c\u8fde\u63a5\u7684\u6574\u4f53\u8d28\u91cf\u4e5f\u4f1a\u5f71\u54cd\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\u3002\u5236\u9020\u9ad8\u8d28\u91cf UTP \u7ebf\u7f06\u65f6\u9700\u8981\u4ed4\u7ec6\u9009\u62e9\u94dc\u5bfc\u7ebf\u5e76\u901a\u8fc7\u4e25\u683c\u7684\u63a7\u5236\u63aa\u65bd\u4fdd\u6301\u7ebf\u7f06\u7684\u6b63\u786e\u5916\u5f62\u3002\u5982\u679c\u4f4e\u8d28\u91cf\u7ebf\u7f06\u7684\u94dc\u5bfc\u7ebf\u5728\u76f4\u5f84\u3001\u540c\u5fc3\u5ea6\uff08\u5706\u5ea6\uff09\u3001\u8f6e\u5ed3\u548c\u5e73\u6ed1\u5ea6\u4e0a\u51fa\u73b0\u5dee\u5f02\uff0c\u5219 PoE \u7cfb\u7edf\u4e2d\u51fa\u73b0\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\u7684\u53ef\u80fd\u6027\u5c31\u4f1a\u66f4\u9ad8\u3002<\/p>\n<\/div>\n<\/div>\n

<\/p>\n

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\n

\u76ee\u524d\u4e1a\u754c\u8d8a\u6765\u8d8a\u5173\u5fc3\u7684\u4e00\u4e2a\u95ee\u9898\u5c31\u662f\u6709\u5927\u91cf\u542b\u94dc\u9540\u94dd (CCA)\u3001\u94dc\u9540\u94a2\u548c\u5176\u4ed6\u975e\u6807\u51c6\u5bfc\u7ebf\u5192\u5145 5e \u7c7b\u751a\u81f3 6 \u7c7b\u7ebf\u3002\u867d\u7136\u8fd9\u4e9b\u53cc\u7ede\u7ebf\u4e8e\u90a3\u4e9b\u5bfb\u627e\u7ecf\u6d4e\u578b\u7f51\u7edc\u89e3\u51b3\u65b9\u6848\u7684\u4eba\u5f88\u6709\u5438\u5f15\u529b\uff0c\u4f46 CCA \u7ebf\u4e0d\u7b26\u5408\u884c\u4e1a\u6807\u51c6\uff0c\u4e5f\u4e0d\u652f\u6301 PoE \u5e94\u7528\uff0c\u56e0\u4e3a\u5b83\u4eec\u7684\u76f4\u6d41\u7535\u963b\u8f83\u5927\uff0c\u4f1a\u6bd4\u76f8\u540c\u76f4\u5f84\u7684\u5b9e\u5fc3\u94dc\u5bfc\u7ebf\u9ad8 55%\u3002\u7ebf\u7684\u7535\u963b\u8d8a\u9ad8\u53d1\u70ed\u5c31\u8d8a\u5927\uff0c\u6240\u9a71\u52a8\u8bbe\u5907\u83b7\u5f97\u7684\u7535\u538b\u5c31\u8d8a\u5c0f\u3002<\/p>\n

\u9057\u61be\u7684\u662f\uff0c\u6d4b\u8bd5\u76f4\u6d41\u7535\u963b\u5e76\u4e0d\u8db3\u4ee5\u786e\u5b9a\u662f\u5426\u652f\u6301 PoE\uff0c\u56e0\u4e3a\u90e8\u5206 CCA \u7ebf\u5728\u77ed\u94fe\u8def\u4e2d\u53ef\u4ee5\u901a\u8fc7\u76f4\u6d41\u73af\u8def\u7535\u963b\u6d4b\u8bd5\u3002\u4f46\u662f\uff0c\u65e0\u8bba\u94fe\u8def\u957f\u5ea6\u5982\u4f55\uff0cCCA \u7ebf\u7684\u53cc\u7ede\u7ebf\u901a\u5e38\u90fd\u4f1a\u6709\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\uff0c\u56e0\u4e3a\u5b83\u4eec\u5bfc\u7ebf\u4e4b\u95f4\u7f3a\u4e4f\u4e00\u81f4\u6027\uff08\u89c1\u4fa7\u680f\u4e0a\u76f4\u6d41\u73af\u8def\u7535\u963b\u548c\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\uff09\u3002\u5173\u4e8e CCA \u7ebf\u7f06\u8fd8\u6709\u4e00\u4e9b\u5176\u4ed6\u95ee\u9898\u2014\u5b83\u4eec\u7684\u5b89\u88c5\u662f\u975e\u6cd5\u7684\uff0c\u8fbe\u4e0d\u5230\u56fd\u5bb6\u7535\u6c14\u89c4\u8303\u6d88\u9632\u5b89\u5168\u8bc4\u7ea7\uff0c\u56e0\u800c\u8fdd\u89c4\u5e76\u66f4\u5bb9\u6613\u5f15\u8d77\u706b\u707e\u3002<\/p>\n

\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\u6d4b\u8bd5<\/p>\n

IEEE \u6807\u51c6 802.3-2012 \u89c4\u5b9a\u5bfc\u7ebf\u4e4b\u95f4\u7684\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\u6700\u9ad8\u4e3a 3%\uff0c\u8fd9\u610f\u5473\u7740\u4e24\u6839\u5bfc\u7ebf\u4e4b\u95f4\u7684\u76f4\u6d41\u7535\u963b\u5dee\u4e0d\u80fd\u8d85\u8fc7\u4e00\u6839\u53cc\u7ede\u7ebf\u603b\u76f4\u6d41\u73af\u8def\u7535\u963b\u7684 3%\u3002\u4f46\u662f TIA \u548c IEC \u6807\u51c6\u90fd\u4e0d\u8981\u6c42\u5c06\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\u4f5c\u4e3a\u73b0\u573a\u6d4b\u91cf\u3002\u6ca1\u6709\u73b0\u573a\u6d4b\u8bd5\u8981\u6c42\u662f\u56e0\u4e3a\u6ca1\u6709\u80fd\u591f\u6d4b\u8bd5\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\u7684\u73b0\u573a\u6d4b\u8bd5\u4eea\uff0c\u4e8e\u662f\u8fd9\u6700\u7ec8\u6210\u4e86\u4ec5\u5b9e\u9a8c\u5ba4\u53ef\u4ee5\u6267\u884c\u7684\u6d4b\u91cf\u3002\u4f46\u6709\u4e86 DSX-5000<\/a> CableAnalyzer \u60c5\u51b5\u5c31\u4e0d\u540c\u4e86\u3002<\/p>\n

\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\u6d4b\u8bd5\u53ef\u4ee5\u9a8c\u8bc1\u53cc\u7ede\u7ebf\u4e2d\u7684\u4e24\u6839\u5bfc\u7ebf\u6709\u76f8\u540c\u7684\u7535\u963b\uff0c\u4ece\u800c\u63d0\u4f9b\u6240\u9700\u7684\u5171\u6a21\u7535\u6d41\u4ee5\u6709\u6548\u5730\u652f\u6301 PoE \u5e76\u907f\u514d\u540c\u4e00\u53cc\u7ede\u7ebf\u4e0a\u4f20\u8f93\u7684\u6570\u636e\u4fe1\u53f7\u53d1\u751f\u5931\u771f\u3002\u4e0e\u4ec5\u6d4b\u8bd5\u76f4\u6d41\u73af\u8def\u7535\u963b\u7684\u5176\u4ed6\u73b0\u573a\u6d4b\u8bd5\u4eea\u4e0d\u540c\uff0cDSX-5000<\/a><\/span> \u53ef\u540c\u65f6\u6d4b\u91cf\u76f4\u6d41\u73af\u8def\u7535\u963b\u548c\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\u3002<\/p>\n

\u53e6\u5916\u5982\u4e0b\u9762\u7684\u56fe 1 \u6240\u793a\uff0c\u6df1\u5733\u798f\u6b23\u667a\u80fd\u9500\u552e\u7684DSX-5000<\/a>\u00a0\u6d4b\u8bd5\u4eea\u6d4b\u91cf\u7684\u76f4\u6d41\u73af\u8def\u7535\u963b\u662f\u4e00\u6839\u53cc\u7ede\u7ebf\u4e2d\u7684\u4e24\u6839\u5bfc\u7ebf\u7684\u7535\u963b\u548c\uff0c\u800c\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\u6d4b\u91cf\u7684\u662f\u4e24\u6839\u5bfc\u7ebf\u7684\u7535\u963b\u5dee\u3002<\/p>\n

\n

\"\"<\/p>\n

\u56fe 1<\/p>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

\n
\n

\u867d\u7136\u73b0\u573a\u6d4b\u8bd5\u4e0d\u8981\u6c42\uff0c\u4f46 TIA \u548c ISO\/IEC \u6807\u51c6\u4e2d\u5747\u5305\u542b\u7535\u963b\u4e0d\u5e73\u8861\u6d4b\u8bd5\u6781\u9650\uff08\u503c\uff09\uff0c\u53ea\u662f TIA \u6807\u51c6\u4ec5\u4e3a\u901a\u9053\u63d0\u4f9b\u8fd9\u4e9b\u6781\u9650\uff08\u503c\uff09\uff0c\u5982\u4e0b\u9762\u8868 1 \u6240\u793a\u3002<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n
DSX-5000<\/a><\/span>\u6d4b\u8bd5\u6781\u9650\u540d\u79f0<\/td>\n\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861<\/td>\n<\/tr>\n
\u4fe1\u9053<\/td>\n\u6c38\u4e45\u94fe\u8def<\/td>\n<\/tr>\n
TIA Cat 5e \u6c38\u4e45\u94fe\u8def (+PoE)<\/td>\n0.20 \u6216 3.0%<\/td>\n<\/td>\n<\/tr>\n
TIA 6 \u7c7b\u6c38\u4e45\u94fe\u8def (+PoE)<\/td>\n0.20 \u6216 3.0%<\/td>\n<\/td>\n<\/tr>\n
TIA 6A \u7c7b\u6c38\u4e45\u94fe\u8def (+PoE)<\/td>\n0.20 \u6216 3.0%<\/td>\n<\/td>\n<\/tr>\n
ISO11801 PL Class D (+PoE)<\/td>\n0.20 \u6216 3.0%<\/td>\n0.15 \u6216 3.0%<\/td>\n<\/tr>\n
ISO11801 PL Class E (+PoE)<\/td>\n0.20 \u6216 3.0%<\/td>\n0.15 \u6216 3.0%<\/td>\n<\/tr>\n
ISO11801 PL2 Class Ea (+PoE)<\/td>\n0.20 \u6216 3.0%<\/td>\n0.15 \u6216 3.0%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u5982\u679c\u60a8\u8981\u5bf9\u6c38\u4e45\u6027\u94fe\u8def\u8fdb\u884c\u6d4b\u91cf\uff0c\u5219\u6d4b\u91cf\u4ecd\u7136\u4f7f\u7528 DSX-5000<\/a>\uff0c\u4f46 TIA \u6d4b\u8bd5\u4e0d\u4f7f\u7528\u201c\u901a\u8fc7\/\u5931\u8d25\u201d\u6807\u51c6\uff0c\u5982\u56fe 2 \u6240\u793a\u3002\u5982\u679c\u60a8\u53d1\u73b0 PoE \u95ee\u9898\u5e76\u5e0c\u671b\u6392\u9664\u7ebf\u7f06\u539f\u56e0\uff0c\u5219\u8fd9\u4f1a\u662f\u6709\u7528\u7684\u4fe1\u606f\u3002<\/p>\n

\n

\"\"<\/p>\n

\u56fe 2<\/p>\n<\/div>\n

\u73b0\u5728 TIA \u73b0\u573a\u6d4b\u8bd5\u6807\u51c6\u5df2\u5f00\u653e\u5ba1\u67e5\uff0c\u6211\u4eec\u53ef\u80fd\u6709\u6b63\u5f53\u7684\u7406\u7531\u5c06\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\u6d4b\u8bd5\u8bbe\u5b9a\u4e3a\u4e00\u79cd\u73b0\u573a\u6d4b\u8bd5\u8981\u6c42\uff0c\u4ece\u800c\u5e2e\u52a9\u89e3\u51b3\u4e0e CCA \u7ebf\u76f8\u5173\u7684\u95ee\u9898\uff0c\u4ee5\u53ca\u66f4\u597d\u5730\u4fdd\u8bc1\u6ee1\u8db3 IEEE \u6807\u51c6\u7684\u5f3a\u5236 PoE \u8981\u6c42\u3002<\/p>\n<\/div>\n<\/div>\n

\n
\n

\u968f\u7740\u66f4\u591a\u7684\u4f01\u4e1a\u90e8\u7f72\u5343\u5146\u4ee5\u592a\u7f51\uff0c\u66f4\u591a\u7684 PoE \u8bbe\u5907\u4f7f\u7528 IEEE \u7684\u65b9\u6cd5 A \u540c\u65f6\u63d0\u4f9b\u7535\u529b\u4e0e\u6570\u636e\uff0c\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\u6d4b\u8bd5\u5c06\u6210\u4e3a\u66f4\u52a0\u91cd\u8981\u7684\u95ee\u9898\u3002\u968f\u7740 PoE Plus \u90e8\u7f72\u7684\u4e0d\u65ad\u589e\u957f\uff0c\u7279\u522b\u662f\u9700\u8981\u5b83\u7684 802.11ac WAP \u7684\u95ee\u4e16\uff0c\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\u5c06\u6210\u4e3a\u66f4\u52a0\u91cd\u8981\u7684\u95ee\u9898\uff0c\u56e0\u4e3a\u66f4\u591a\u7684\u7535\u6d41\u7ecf\u8fc7\u5bfc\u7ebf\u4f1a\u4f7f PoE \u66f4\u5bb9\u6613\u53d7\u5230\u76f4\u6d41\u7535\u963b\u548c\u7535\u963b\u4e0d\u5e73\u8861\u7684\u5f71\u54cd\u3002\u800c\u4e14\uff0c\u5c06\u6765\u8fd8\u4f1a\u8003\u8651\u66f4\u9ad8\u529f\u7387\u7684 PoE \u4ee5\u4e3a\u9700\u8981 30 \u5230 50 \u74e6\u7684\u8bbe\u5907\u63d0\u4f9b\u7535\u529b\u3002<\/p>\n

\u522b\u8ba9\u60a8\u7684 PoE \u7cfb\u7edf\u53d7\u5230\u5e73\u8861\u7684\u5f71\u54cd\u3002\u901a\u8fc7 DSX-5000<\/a> \u8fdb\u884c\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\u6d4b\u8bd5\u662f\u73b0\u4eca\u548c\u672a\u6765 PoE \u7cfb\u7edf\u7684\u7b80\u4fbf\u3001\u4f4e\u6210\u672c\u7684\u4fdd\u8bc1\u3002<\/p>\n

\u4f7f\u7528\u6b63\u786e\u7684\u7ec8\u7aef\u5de5\u5177\u63d0\u9ad8\u7ec8\u7aef\u4e00\u81f4\u6027<\/p>\n

\n

\u4f7f\u7528\u6b63\u786e\u7684\u7ec8\u7aef\u5de5\u5177\u6709\u52a9\u4e8e\u63d0\u9ad8 PoE \u7cfb\u7edf\u4e2d\u7ec8\u7aef\u7684\u4e00\u81f4\u6027\u5e76\u907f\u514d\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\u3002\u4e3a\u7535\u4fe1\u7ebf\u5236\u4f5c\u7ec8\u7aef\u7684\u6253\u7ebf\u5de5\u5177\u6709\u4e09\u79cd\u2014\u624b\u52a8\u3001\u51b2\u538b\u548c\u591a\u7ebf\u3002\u624b\u52a8\u6253\u7ebf\u5de5\u5177\u7684\u529b\u91cf\u5927\u90e8\u5206\u6765\u81ea\u4eba\u529b\uff0c\u8fd9\u4f1a\u4f7f\u7ebf\u5bf9\u4e2d\u4e24\u6839\u5bfc\u7ebf\u95f4\u66f4\u5bb9\u6613\u4ea7\u751f\u4e0d\u4e00\u81f4\u3002\u60a8\u5f88\u96be\u6bcf\u6b21\u4e3a\u6bcf\u6839\u5bfc\u7ebf\u90fd\u4f7f\u7528\u76f8\u540c\u7684\u529b\uff0c\u7279\u522b\u662f\u624b\u90e8\u75b2\u52b3\u65f6\u3002<\/p>\n<\/div>\n

\"\"<\/div>\n

\u5bf9\u5b89\u88c5\u4eba\u5458\u529b\u91cf\u9700\u8981\u8f83\u5c11\u7684\u51b2\u538b\u5de5\u5177\u662f\u66f4\u597d\u7684\u9009\u62e9\uff0c\u4f46\u8fd9\u4e9b\u5de5\u5177\u4ecd\u4f1a\u9020\u6210\u5bfc\u7ebf\u95f4\u7684\u7ec8\u7aef\u4e0d\u4e00\u81f4\u3002\u4fdd\u8bc1\u7ec8\u7aef\u4e00\u81f4\u7684\u6700\u4f73\u9009\u62e9\u662f\u591a\u7ebf\u5de5\u5177\uff0c\u5982\u4e00\u6b21\u6324\u538b\u4fbf\u53ef\u4e3a\u6240\u6709\u7ebf\u5bf9\u5236\u4f5c\u7ec8\u7aef\u7684 JackRapid<\/a>\uff0c\u53ef\u5bf9\u6240\u6709\u5bfc\u7ebf\u63d0\u4f9b\u76f8\u540c\u7684\u529b\u91cf\u3002\u591a\u7ebf\u5de5\u5177\u4e5f\u53ef\u7f13\u89e3\u624b\u90e8\u75b2\u52b3\uff0c\u4e0e\u4f7f\u7528\u5355\u7ebf\u7ec8\u7aef\u5de5\u5177\u76f8\u6bd4\u5236\u4f5c\u63a5\u5934\u7684\u901f\u5ea6\u63d0\u9ad8\u516b\u500d\uff0c\u4ece\u800c\u663e\u8457\u51cf\u5c11\u4e86\u5b89\u88c5\u65f6\u95f4\u3002\u66f4\u5feb\u3001\u66f4\u53ef\u9760\u4e14\u4e00\u81f4\u7684\u7ec8\u7aef\u7ec4\u5408\u53ef\u4ee5\u51cf\u5c11\u9ad8\u8fbe 80% \u7684\u8fd4\u5de5\u548c\u6210\u672c\u3002<\/p>\n

\u76f4\u6d41\u73af\u8def\u7535\u963b\u4e0e\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861<\/p>\n

\u76f4\u6d41\u73af\u8def\u7535\u963b\u548c\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\u4e4b\u95f4\u7ecf\u5e38\u4f1a\u4ea7\u751f\u6df7\u6dc6\u3002\u63d0\u4f9b\u7279\u5b9a\u7684\u529f\u7387\u7684\u80fd\u529b\u53d6\u51b3\u4e8e\u7279\u5b9a\u957f\u5ea6\u7ebf\u7f06\u7684\u603b\u76f4\u6d41\u73af\u8def\u7535\u963b\u3002\u76f4\u6d41\u73af\u8def\u7535\u963b\u7684\u8ba1\u7b97\u65b9\u6cd5\u662f\u7ebf\u5bf9\u4e2d\u4e24\u6839\u5bfc\u7ebf\u7684\u7535\u963b\u548c\u3002\u6839\u636e IEEE \u6807\u51c6\uff0c\u7ebf\u5bf9\u7684\u901a\u9053\u76f4\u6d41\u73af\u8def\u7535\u963b\u5fc5\u987b\u4e3a 25 \u03a9 \u6216\u4ee5\u4e0b\uff0c\u800c\u6052\u5b9a\u76f4\u6d41\u73af\u8def\u7535\u963b\u5fc5\u987b\u4e3a 21 \u03a9 \u6216\u4ee5\u4e0b\u3002<\/p>\n<\/div>\n<\/div>\n

<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

DSX-5000\u65b0\u529f\u80fd\uff1a\u76f4\u6d41\u7535\u963b\u4e0d\u5e73\u8861\u6d4b\u8bd5\uff1a\u4e3a\u60a8\u7684PoE\u7cfb\u7edf\u63d0\u4f9b\u7b80\u5355\u800c\u7ecf\u6d4e\u7684\u4fdd\u8bc1\u3002 \u867d\u7136 10\/100BASE-T\uff08\u5373 10 \u548c 100 Mbps\uff09\u5e94\u7528\u53ea\u9700\u8981\u4e24\u6839\u53cc\u7ede\u7ebf\u8fdb\u884c\u4f20\u8f93\uff0c\u5269\u4e0b\u4e00\u6839\u56db\u5bf9\u7ede\u7ebf\u4e2d\u7684\u4e24\u6839\u5907\u7528\u7684\u53cc\u7ede\u7ebf\u4f9b Po... ","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[244,256,869,1380],"views":86,"_links":{"self":[{"href":"https:\/\/www.lqsdjs.com\/wp-json\/wp\/v2\/posts\/2449"}],"collection":[{"href":"https:\/\/www.lqsdjs.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lqsdjs.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lqsdjs.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lqsdjs.com\/wp-json\/wp\/v2\/comments?post=2449"}],"version-history":[{"count":0,"href":"https:\/\/www.lqsdjs.com\/wp-json\/wp\/v2\/posts\/2449\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.lqsdjs.com\/wp-json\/wp\/v2\/media?parent=2449"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lqsdjs.com\/wp-json\/wp\/v2\/categories?post=2449"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lqsdjs.com\/wp-json\/wp\/v2\/tags?post=2449"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}