{"id":5271,"date":"2025-11-04T11:00:24","date_gmt":"2025-11-04T02:00:24","guid":{"rendered":"https:\/\/www.allied-telesis.co.jp\/netrend\/knowledge\/poe\/"},"modified":"2026-03-25T16:55:03","modified_gmt":"2026-03-25T07:55:03","slug":"poe","status":"publish","type":"knowledge-tooltips","link":"https:\/\/www.allied-telesis.co.jp\/netrend\/knowledge\/poe\/","title":{"rendered":"PoE"},"content":{"rendered":"\n

\u7528\u8a9e\u6982\u8981<\/h2>\n\n\n\n

PoE\uff08Power over Ethernet\uff09\u306f\u3001LAN\u30b1\u30fc\u30d6\u30eb\u3092\u901a\u3058\u3066\u30c7\u30fc\u30bf\u901a\u4fe1\u3068\u540c\u6642\u306b\u96fb\u529b\u3092\u4f9b\u7d66\u3059\u308b\u6280\u8853\u3067\u3059\u3002
PoE\u306b\u306fIEEE 802.3af\u3084IEEE802.3at\u3001IEEE802.bt\u7b49\u306e\u898f\u683c\u304c\u3042\u308a\u3001\u4f9b\u7d66\u53ef\u80fd\u306a\u96fb\u529b\u91cf\u304c\u7570\u306a\u308a\u307e\u3059\u3002PoE\u30b9\u30a4\u30c3\u30c1\u3084PoE\u30a4\u30f3\u30b8\u30a7\u30af\u30bf\u30fc\u304c\u7d66\u96fb\u5074\uff08PSE\uff1aPower Supply Equipment\uff09\u3001\u7aef\u672b\u304c\u53d7\u96fb\u5074\uff08PD\uff1aPowered Device\uff09\u3068\u3057\u3066\u52d5\u4f5c\u3057\u307e\u3059\u3002PoE\u306f\u30aa\u30d5\u30a3\u30b9\u3084IoT\u74b0\u5883\u3067\u5e83\u304f\u5229\u7528\u3055\u308c\u3001\u7701\u914d\u7dda\u5316\u3084\u67d4\u8edf\u306a\u6a5f\u5668\u914d\u7f6e\u3092\u5b9f\u73fe\u3059\u308b\u91cd\u8981\u306a\u6280\u8853\u3067\u3059\u3002<\/p>\n\n\n\n

\u52b9\u679c\u30fb\u30e1\u30ea\u30c3\u30c8<\/h2>\n\n\n\n

PoE\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\uff08IP\u96fb\u8a71\u3001\u7121\u7dda\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u3001\u76e3\u8996\u30ab\u30e1\u30e9\u306a\u3069\uff09\u306b\u96fb\u6e90\u30b1\u30fc\u30d6\u30eb\u3092\u5225\u9014\u6577\u8a2d\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u3001\u8ffd\u52a0\u306e\u96fb\u6e90\u5de5\u4e8b\u304c\u4e0d\u8981\u306a\u305f\u3081\u8a2d\u7f6e\u30b3\u30b9\u30c8\u3092\u524a\u6e1b\u3067\u304d\u3001\u8a2d\u7f6e\u5834\u6240\u306b\u3082\u56f0\u308a\u307e\u305b\u3093\u3002
\u7121\u7dda\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u3084IP\u96fb\u8a71\u3001IoT\u30c7\u30d0\u30a4\u30b9\u306a\u3069\u3067\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u5229\u7528\u4f8b<\/h2>\n\n\n\n

\u65e2\u5b58\u306e\u5efa\u5c4b\u306b\u7121\u7ddaLAN\u74b0\u5883\u3092\u7528\u610f\u3059\u308b\u5834\u5408\u3001\u58c1\u306e\u6750\u8cea\u3084\u90e8\u5c4b\u306e\u914d\u7f6e\u3001\u4eba\u306e\u52d5\u304d\u306a\u3069\u306b\u3088\u3063\u3066\u96fb\u6ce2\u306e\u5c4a\u304d\u65b9\u304c\u5909\u308f\u308b\u305f\u3081\u3001\u5feb\u9069\u306a\u901a\u4fe1\u3092\u5b9f\u73fe\u3059\u308b\u306b\u306f\u3001\u74b0\u5883\u306b\u5408\u308f\u305b\u305f\u8a2d\u8a08\u304c\u91cd\u8981\u3067\u3059\u3002
\u96fb\u6e90\u30a2\u30c0\u30d7\u30bf\u306b\u3088\u308b\u7d66\u96fb\u306e\u5834\u5408\u3001\u96fb\u6e90\u30b3\u30f3\u30bb\u30f3\u30c8\u306e\u4f4d\u7f6e\u306b\u5236\u7d04\u3055\u308c\u308b\u305f\u3081\u8a2d\u7f6e\u5834\u6240\u306e\u67d4\u8edf\u6027\u304c\u640d\u306a\u308f\u308c\u3001\u5feb\u9069\u306a\u96fb\u6ce2\u74b0\u5883\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002PoE\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u96fb\u6e90\u30b3\u30f3\u30bb\u30f3\u30c8\u306e\u4f4d\u7f6e\u306b\u5de6\u53f3\u3055\u308c\u305a\u306b\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u3092\u8a2d\u7f6e\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u6700\u9069\u306a\u96fb\u6ce2\u74b0\u5883\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002
\u96fb\u6e90\u5de5\u4e8b\u306b\u3088\u308b\u8a2d\u7f6e\u30b3\u30b9\u30c8\u306e\u524a\u6e1b\u3060\u3051\u3067\u306a\u304f\u3001\u7121\u7dda\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u3084IoT\u30c7\u30d0\u30a4\u30b9\u306e\u3088\u3046\u306a\u3001\u8a2d\u7f6e\u5834\u6240\u306e\u67d4\u8edf\u6027\u3092\u6c42\u3081\u3089\u308c\u308b\u30b1\u30fc\u30b9\u306b\u304a\u3044\u3066\u306f\u3001PoE\u306f\u5fc5\u9808\u6a5f\u80fd\u3068\u3044\u3048\u307e\u3059\u3002<\/p>\n\n\n\n

PoE\u306e\u898f\u683c<\/h2>\n\n\n\n

PoE\u898f\u683c\u306f\u4e0b\u4f4d\u4e92\u63db\u6027\u3092\u6301\u3061\u3001\u53e4\u3044\u898f\u683c\u306e\u3082\u306e\u3067\u3082\u65b0\u3057\u3044\u898f\u683c\u306e\u6a5f\u5668\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002<\/p>\n\n\n

\u30b9\u30af\u30ed\u30fc\u30eb\u3067\u304d\u307e\u3059 <\/i><\/span><\/div>\n
PoE\u898f\u683c<\/th>\u96fb\u529b\u30af\u30e9\u30b9<\/th>PD\u30bf\u30a4\u30d7<\/th>\u7d66\u96fb\u4f9b\u7d66
\u30d4\u30f3<\/th>		\u7d66\u96fb\u6a5f\u5668
\u6700\u5927\u96fb\u529b<\/th>		\u53d7\u96fb\u6a5f\u5668
\u6700\u5927\u96fb\u529b<\/th>		\u30b1\u30fc\u30d6\u30eb<\/th><\/tr>
IEEE802.3af\uff08PoE\uff09<\/td>0<\/td>Type1<\/td>2\u5bfe\uff084\u5fc3\uff09<\/td>15.4W<\/td>12.95W<\/td>Cat3\u4ee5\u4e0a<\/td><\/tr>
1<\/td>4.0W<\/td>3.84W<\/td><\/tr>
2<\/td>7.0W<\/td>6.49W<\/td><\/tr>
3<\/td>15.4W<\/td>12.95W<\/td><\/tr>
IEEE802.3at\uff08PoE+\uff09<\/td>4<\/td>Type2<\/td>30.0W<\/td>25.5W<\/td>Cat5e\u4ee5\u4e0a<\/td><\/tr>
IEEE802.3bt\uff08PoE++\uff09<\/td>5<\/td>Type3<\/td>4\u5bfe\uff088\u5fc3\uff09<\/td>45.0W<\/td>40.0W<\/td><\/tr>
6<\/td>60.0W<\/td>51.0W<\/td><\/tr>
7<\/td>Type4<\/td>75.0W<\/td>62.0W<\/td><\/tr>
8<\/td>90.0W<\/td>73.0W<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n
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\u3055\u3089\u306b\u8a73\u3057\u304f\u5b66\u3073\u305f\u3044\u65b9\u3078<\/span><\/strong>
\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c02\u696d\u30e1\u30fc\u30ab\u30fc\u304c\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u3092\u3054\u7528\u610f\uff01<\/span><\/strong><\/p>\n\n\n\n

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