{"id":4699,"date":"2025-10-16T11:12:00","date_gmt":"2025-10-16T11:12:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/rj45-connectors-guide-types-specs-link-pp\/"},"modified":"2026-06-22T09:02:27","modified_gmt":"2026-06-22T09:02:27","slug":"rj45-connectors-guide-types-specs-link-pp","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/ar\/knowledge-center\/rj45-connectors-guide-types-specs-link-pp","title":{"rendered":"\u062f\u0644\u064a\u0644 \u0634\u0627\u0645\u0644 \u0644\u0645\u064f\u0648\u0635\u0650\u0644\u0627\u062a RJ45 \u2014 \u0627\u0644\u0623\u0646\u0648\u0627\u0639\u060c \u0648\u0627\u0644\u0623\u062f\u0627\u0621\u060c \u0648\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0642\u0628\u0633 \u0627\u0644\u0645\u0646\u0627\u0633\u0628"},"content":{"rendered":"
\"What<\/figure>\n\n\n\n

\u0661. \u0645\u0627 \u0647\u0648 \u0645\u064f\u0648\u0635\u0650\u0644 RJ45\u061f<\/h2>\n\n\n\n

\u0663\u0668. \u0623\u064e\u0646\u0652 \u0663\u0667. \u0645\u0648\u0635\u0644 RJ45<\/strong> \u0648\u0627\u062c\u0647\u0629 \u0642\u064a\u0627\u0633\u064a\u0629 \u062a\u064f\u0633\u062a\u062e\u062f\u0645 \u0623\u0633\u0627\u0633\u064b\u0627 \u0641\u064a \u0634\u0628\u0643\u0627\u062a \u0627\u0644\u0625\u064a\u062b\u0631\u0646\u062a. \u0648\u0647\u064a \u0639\u0628\u0627\u0631\u0629 \u0639\u0646 \u0645\u0648\u0635\u0644 \u0646\u0645\u0637\u064a \u0628\u0640 \u0668 \u0645\u0648\u0627\u0636\u0639 \u0648\u0668 \u0627\u062a\u0635\u0627\u0644\u0627\u062a (<\/strong>\u0668P8C<\/strong><\/a>)<\/strong> ) \u064a\u064f\u0646\u0647\u064a \u0643\u0627\u0628\u0644\u0627\u062a \u0627\u0644\u0646\u062d\u0627\u0633 \u0627\u0644\u0645\u0644\u062a\u0648\u064a\u0629\u060c \u0645\u062b\u0644 \u0643\u0627\u0628\u0644\u0627\u062a Cat5e \u0648Cat6 \u0648Cat6A. \u0648\u062a\u064f\u0634\u0643\u0650\u0651\u0644 \u0647\u0630\u0647 \u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u0627\u0644\u0645\u0627\u062f\u064a \u0628\u064a\u0646 \u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0634\u0628\u0643\u0629 \u2014 \u0643\u0627\u0644\u062d\u0648\u0627\u0633\u064a\u0628 \u0648\u0627\u0644\u0645\u0628\u062f\u0650\u0651\u0644\u0627\u062a \u0648\u0627\u0644\u0631\u0627\u0648\u062a\u0631\u0627\u062a \u0648\u0643\u0627\u0645\u064a\u0631\u0627\u062a IP \u2014 \u0645\u0645\u0627 \u064a\u0645\u0643\u0650\u0651\u0646 \u0645\u0646 \u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u0628\u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0628\u0633\u0631\u0639\u0627\u062a \u0639\u0627\u0644\u064a\u0629.<\/p>\n\n\n\n

\u0625\u0646 \u201cRJ\u201d \u0641\u064a RJ45 \u062a\u0639\u0646\u064a \u201c\u0645\u0642\u0628\u0633 \u0645\u0633\u062c\u0644<\/strong>,\u201d\u060c \u0648\u0642\u062f \u0639\u0631\u064e\u0651\u0641\u062a\u0647 \u0641\u064a \u0627\u0644\u0623\u0635\u0644 \u0644\u062c\u0646\u0629 \u0627\u0644\u0627\u062a\u0635\u0627\u0644\u0627\u062a \u0627\u0644\u0641\u064a\u062f\u0631\u0627\u0644\u064a\u0629 \u0627\u0644\u0623\u0645\u0631\u064a\u0643\u064a\u0629 (FCC). \u0648\u0628\u0645\u0631\u0648\u0631 \u0627\u0644\u0648\u0642\u062a\u060c \u0623\u0635\u0628\u062d \u0647\u0630\u0627 \u0627\u0644\u0645\u0648\u0635\u0644 \u0627\u0644\u0645\u0648\u0635\u0644 \u0627\u0644\u0639\u0627\u0644\u0645\u064a \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645 \u0641\u064a \u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0634\u0628\u0643\u0629 \u0627\u0644\u0625\u064a\u062b\u0631\u0646\u062a \u0627\u0644\u0645\u062d\u0644\u064a\u0629 (LAN)<\/strong> \u0639\u0628\u0631 \u0645\u062e\u062a\u0644\u0641 \u0627\u0644\u0642\u0637\u0627\u0639\u0627\u062a.<\/p>\n\n\n\n

\u0662. \u0647\u064a\u0643\u0644 \u0645\u064f\u0648\u0635\u0650\u0644 RJ45 \u0648\u062a\u0631\u062a\u064a\u0628 \u0627\u0644\u062a\u0648\u0635\u064a\u0644\u0627\u062a (Pinout)<\/h2>\n\n\n\n

\u064a\u062d\u062a\u0648\u064a \u0643\u0644 \u0645\u064f\u0648\u0635\u0650\u0644 RJ45 \u0639\u0644\u0649 \u062b\u0645\u0627\u0646\u064a\u0629 \u0627\u062a\u0635\u0627\u0644\u0627\u062a \u0645\u0637\u0644\u064a\u0629 \u0628\u0627\u0644\u0630\u0647\u0628<\/strong> \u062a\u0636\u0645\u0646 \u0623\u062f\u0627\u0621\u064b \u0643\u0647\u0631\u0628\u0627\u0626\u064a\u064b\u0651\u0627 \u0645\u0648\u062b\u0648\u0642\u064b\u0627 \u0648\u0645\u0642\u0627\u0648\u0645\u0629\u064b \u0644\u0644\u062a\u0622\u0643\u0644. \u0648\u064a\u062a\u0645 \u0627\u062a\u0628\u0627\u0639 \u062a\u0631\u062a\u064a\u0628 \u0627\u0644\u062a\u0648\u0635\u064a\u0644\u0627\u062a (Pinout)<\/strong> \u0625\u0645\u0627 \u0648\u0641\u0642 \u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u062a\u0648\u0635\u064a\u0644 T568A \u0623\u0648 \u0645\u0639\u064a\u0627\u0631 T568B<\/strong>, \u060c \u0627\u0644\u0644\u0630\u064a\u0646 \u064a\u062d\u062f\u0650\u0651\u062f\u0627\u0646 \u0643\u064a\u0641\u064a\u0629 \u062a\u0648\u0635\u064a\u0644 \u0627\u0644\u0623\u0633\u0644\u0627\u0643 \u0627\u0644\u0645\u0644\u0648\u064e\u0651\u0646\u0629 \u062f\u0627\u062e\u0644 \u0627\u0644\u0645\u0648\u0635\u0644.<\/p>\n\n\n\n

\"T568A<\/figure>\n\n\n\n
\n\n<\/colgroup>

\u0631\u0642\u0645 \u0627\u0644\u062a\u0648\u0635\u064a\u0644\u0629 (Pin Number)<\/p><\/th>

\u0644\u0648\u0646 \u0627\u0644\u0633\u0644\u0643 (T568B)<\/p><\/th>

\u0661\u0669. \u0627\u0644\u0648\u0638\u064a\u0641\u0629<\/p><\/th><\/tr>

1<\/p><\/td>

\u0623\u0628\u064a\u0636\/\u0628\u0631\u062a\u0642\u0627\u0644\u064a<\/p><\/td>

\u0625\u0631\u0633\u0627\u0644 + (TX+)<\/p><\/td><\/tr>

2<\/p><\/td>

\u0628\u0631\u062a\u0642\u0627\u0644\u064a<\/p><\/td>

\u0625\u0631\u0633\u0627\u0644 \u2013 (TX\u2013)<\/p><\/td><\/tr>

3<\/p><\/td>

\u0623\u0628\u064a\u0636\/\u0623\u062e\u0636\u0631<\/p><\/td>

\u0627\u0633\u062a\u0642\u0628\u0627\u0644 + (RX+)<\/p><\/td><\/tr>

6<\/p><\/td>

\u0623\u062e\u0636\u0631<\/p><\/td>

\u0627\u0633\u062a\u0642\u0628\u0627\u0644 \u2013 (RX\u2013)<\/p><\/td><\/tr>

4,5,7,8<\/p><\/td>

\u0623\u0632\u0631\u0642\u060c \u0623\u0628\u064a\u0636\/\u0623\u0632\u0631\u0642\u060c \u0628\u0646\u064a\u060c \u0623\u0628\u064a\u0636\/\u0628\u0646\u064a<\/p><\/td>

\u062a\u064f\u0633\u062a\u062e\u062f\u0645 \u0641\u064a \u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629 \u0639\u0628\u0631 \u0627\u0644\u0625\u064a\u062b\u0631\u0646\u062a (PoE) \u0623\u0648 \u0645\u062d\u0641\u0648\u0638\u0629 \u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0627\u062a \u0645\u0633\u062a\u0642\u0628\u0644\u064a\u0629 (<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n

\u0663\u0663. \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0640 \u0663.\u200f \u062a\u063a\u0630\u064a\u0629 \u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0639\u0628\u0631 \u0627\u0644\u0625\u064a\u062b\u0631\u0646\u062a (\u0628\u0648\u0627\u064a \u0625\u064a)<\/strong> )\u060c \u062d\u064a\u062b \u062a\u062d\u0645\u0644 \u0627\u0644\u062a\u0648\u0635\u064a\u0644\u0627\u062a \u0627\u0644\u0625\u0636\u0627\u0641\u064a\u0629 \u0637\u0627\u0642\u0629 \u062a\u064a\u0627\u0631 \u0645\u0633\u062a\u0645\u0631 \u062c\u0646\u0628\u064b\u0627 \u0625\u0644\u0649 \u062c\u0646\u0628 \u0645\u0639 \u0625\u0634\u0627\u0631\u0627\u062a \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a\u060c \u0645\u0645\u0627 \u064a\u0645\u0643\u0650\u0651\u0646 \u0623\u062c\u0647\u0632\u0629 \u0645\u062b\u0644\u0662\u0666. IEEE 802.3af \/ 802.3at \/ 802.3bt<\/a>\u0647\u0648\u0627\u062a\u0641 VoIP\u060c \u0648\u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u0648\u0635\u0648\u0644 \u0627\u0644\u0644\u0627\u0633\u0644\u0643\u064a (Access Points), <\/strong>\u0661\u0664. \u0643\u0627\u0645\u064a\u0631\u0627\u062a \u0628\u0631\u0648\u062a\u0648\u0643\u0648\u0644 \u0627\u0644\u0625\u0646\u062a\u0631\u0646\u062a (IP cameras)<\/strong><\/a>, \u0648\u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0643\u0627\u0645\u064a\u0631\u0627\u062a \u0627\u0644\u0630\u0643\u064a\u0629<\/strong> \u0645\u0646 \u0627\u0644\u0639\u0645\u0644 \u062f\u0648\u0646 \u0627\u0644\u062d\u0627\u062c\u0629 \u0625\u0644\u0649 \u0645\u0635\u0627\u062f\u0631 \u0637\u0627\u0642\u0629 \u062e\u0627\u0631\u062c\u064a\u0629.<\/p>\n\n\n\n

\u0663. \u0623\u0646\u0648\u0627\u0639 \u0645\u064f\u0648\u0635\u0650\u0644\u0627\u062a RJ45<\/h2>\n\n\n\n

\u062a\u062a\u0648\u0641\u0631 \u0645\u064f\u0648\u0635\u0650\u0644\u0627\u062a RJ45 \u0628\u0639\u062f\u0629 \u062a\u0635\u0627\u0645\u064a\u0645 \u0648\u0645\u0648\u0627\u062f \u0644\u062a\u062a\u0646\u0627\u0633\u0628 \u0645\u0639 \u0645\u062e\u062a\u0644\u0641 \u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0648\u0633\u0631\u0639\u0627\u062a \u0627\u0644\u0634\u0628\u0643\u0629:<\/p>\n\n\n\n

\u0623. \u0645\u062d\u0645\u064a\u0629 \u0645\u0642\u0627\u0628\u0644 \u063a\u064a\u0631 \u0645\u062d\u0645\u064a\u0629<\/a> (STP \u0645\u0642\u0627\u0628\u0644 UTP)<\/h3>\n\n\n\n