{"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\/ja\/knowledge-center\/rj45-connectors-guide-types-specs-link-pp","title":{"rendered":"RJ45\u30b3\u30cd\u30af\u30bf\u5b8c\u5168\u30ac\u30a4\u30c9 \u2014 \u7a2e\u985e\u3001\u6027\u80fd\u3001\u9069\u5207\u306a\u30b8\u30e3\u30c3\u30af\u306e\u9078\u3073\u65b9"},"content":{"rendered":"
\"What<\/figure>\n\n\n\n

RJ45\u30b3\u30cd\u30af\u30bf\u3068\u306f\uff1f<\/h2>\n\n\n\n

\u5149\u5b66\u30e2\u30b8\u30e5\u30fc\u30eb\u30cf\u30a6\u30b8\u30f3\u30b0<\/span> RJ45\u30b3\u30cd\u30af\u30bf<\/strong> \u306f\u3001\u4e3b\u306b\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u3067\u4f7f\u7528\u3055\u308c\u308b\u6a19\u6e96\u5316\u3055\u308c\u305f\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u3059\u3002\u3053\u308c\u306f\u3001 8-position, 8-contact (<\/strong>8P8C<\/strong><\/a>)<\/strong> \uff09\u306e\u30e2\u30b8\u30e5\u30e9\u30fc\u30b3\u30cd\u30af\u30bf\u3067\u3042\u308a\u3001Cat5e\u3001Cat6\u3001Cat6A\u306a\u3069\u306e\u30c4\u30a4\u30b9\u30c8\u30da\u30a2\u9285\u7dda\u30b1\u30fc\u30d6\u30eb\u306e\u7d42\u7aef\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30b3\u30cd\u30af\u30bf\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3001\u30b9\u30a4\u30c3\u30c1\u3001\u30eb\u30fc\u30bf\u30fc\u3001IP\u30ab\u30e1\u30e9\u306a\u3069\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u9593\u306e\u7269\u7406\u7684\u306a\u63a5\u7d9a\u3092\u5f62\u6210\u3057\u3001\u9ad8\u901f\u30c7\u30fc\u30bf\u901a\u4fe1\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n

\u300cRJ\u300d\u306f\u300c\u201c\u767b\u9332\u30b8\u30e3\u30c3\u30af\uff08Registered Jack\uff09<\/strong>,\u300d\u3092\u610f\u5473\u3057\u3001\u5143\u3005\u7c73\u56fd\u9023\u90a6\u901a\u4fe1\u59d4\u54e1\u4f1a\uff08FCC\uff09\u306b\u3088\u3063\u3066\u5b9a\u7fa9\u3055\u308c\u307e\u3057\u305f\u3002\u6642\u4ee3\u3068\u3068\u3082\u306b\u3001\u3053\u308c\u306f\u696d\u754c\u5168\u4f53\u3067\u5e83\u304f\u63a1\u7528\u3055\u308c\u308b \u30a4\u30fc\u30b5\u30cd\u30c3\u30c8LAN<\/strong> \u5411\u3051\u306e\u6c4e\u7528\u30b3\u30cd\u30af\u30bf\u3068\u306a\u308a\u307e\u3057\u305f\u3002.<\/p>\n\n\n\n

RJ45\u30b3\u30cd\u30af\u30bf\u306e\u69cb\u9020\u3068\u30d4\u30f3\u914d\u5217<\/h2>\n\n\n\n

\u5404RJ45\u30b3\u30cd\u30af\u30bf\u306b\u306f\u3001 \u30b4\u30fc\u30eb\u30c9\u30d7\u30ec\u30fc\u30c6\u30c3\u30c9\u306e8\u3064\u306e\u30b3\u30f3\u30bf\u30af\u30c8<\/strong> \u304c\u5099\u308f\u3063\u3066\u304a\u308a\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u96fb\u6c17\u7684\u6027\u80fd\u3068\u8010\u8150\u98df\u6027\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002 \u30d4\u30f3\u914d\u5217\uff08pinout configuration\uff09<\/strong> \u306f\u3001 T568A\u307e\u305f\u306fT568B\u914d\u7dda\u898f\u683c<\/strong>, \u306e\u3044\u305a\u308c\u304b\u306b\u5f93\u3044\u3001\u8272\u5206\u3051\u3055\u308c\u305f\u30ef\u30a4\u30e4\u30fc\u304c\u30b3\u30cd\u30af\u30bf\u5185\u90e8\u3067\u3069\u306e\u3088\u3046\u306b\u7d42\u7aef\u3055\u308c\u308b\u304b\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n

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

\u30d4\u30f3\u756a\u53f7<\/p><\/th>

\u30ef\u30a4\u30e4\u30fc\u8272\uff08T568B\uff09<\/p><\/th>

\u6a5f\u80fd<\/p><\/th><\/tr>

1<\/p><\/td>

\u767d\uff0f\u30aa\u30ec\u30f3\u30b8<\/p><\/td>

\u9001\u4fe1\uff0b\uff08TX\uff0b\uff09<\/p><\/td><\/tr>

2<\/p><\/td>

\u30aa\u30ec\u30f3\u30b8<\/p><\/td>

\u9001\u4fe1\uff0d\uff08TX\uff0d\uff09<\/p><\/td><\/tr>

3<\/p><\/td>

\u767d\uff0f\u30b0\u30ea\u30fc\u30f3<\/p><\/td>

\u53d7\u4fe1\uff0b\uff08RX\uff0b\uff09<\/p><\/td><\/tr>

6<\/p><\/td>

\u30b0\u30ea\u30fc\u30f3<\/p><\/td>

\u53d7\u4fe1\uff0d\uff08RX\uff0d\uff09<\/p><\/td><\/tr>

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

\u9752\u3001\u767d\uff0f\u9752\u3001\u8336\u3001\u767d\uff0f\u8336<\/p><\/td>

PoE\u307e\u305f\u306f\u4e88\u5099\u7528\u9014\uff08<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n

\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001 \u96fb\u6e90\u30aa\u30fc\u30d0\u30fc\u30cd\u30af\u30bf\u30fc\uff08PoE\uff09<\/strong> IEEE 802.3af \/ 802.3at \/ 802.3bt\uff09\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u8ffd\u52a0\u306e\u30d4\u30f3\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u4fe1\u53f7\u306b\u52a0\u3048\u3066DC\u96fb\u529b\u304c\u4f9b\u7d66\u3055\u308c\u3001<\/a>VoIP\u96fb\u8a71\u6a5f\u3001 \u304a\u3088\u3073\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8, <\/strong>VoIP\u96fb\u8a71<\/strong><\/a>, \u306a\u3069\u306e\u30c7\u30d0\u30a4\u30b9\u3092\u5916\u90e8\u96fb\u6e90\u306a\u3057\u3067\u52d5\u4f5c\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/strong> RJ45\u30b3\u30cd\u30af\u30bf\u306e\u7a2e\u985e.<\/p>\n\n\n\n

RJ45\u30b3\u30cd\u30af\u30bf\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u74b0\u5883\u304a\u3088\u3073\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901f\u5ea6\u306b\u5bfe\u5fdc\u3059\u308b\u3088\u3046\u3001\u8907\u6570\u306e\u8a2d\u8a08\u30fb\u6750\u8cea\u3067\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\uff1a<\/h2>\n\n\n\n

a. \u30b7\u30fc\u30eb\u30c9\u4ed8\u304d vs. \u30b7\u30fc\u30eb\u30c9\u306a\u3057\uff08STP vs. UTP\uff09<\/p>\n\n\n\n

b. \u30b7\u30fc\u30eb\u30c9\u4ed8\u304dRJ45\u30b3\u30cd\u30af\u30bf\uff08STP\uff09<\/a> \u306fEMI\uff0fRFI\u5bfe\u7b56\u3092\u63d0\u4f9b\u3057\u3001\u7523\u696d\u7528\u3084\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u74b0\u5883\u306b\u6700\u9069\u3067\u3059\u3002<\/h3>\n\n\n\n