{"id":4717,"date":"2025-10-15T11:12:00","date_gmt":"2025-10-15T11:12:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/ieee-802-3af-vs-ieee-802-3at-vs-ieee-802-3bt\/"},"modified":"2026-06-22T06:21:04","modified_gmt":"2026-06-22T06:21:04","slug":"ieee-802-3af-vs-ieee-802-3at-vs-ieee-802-3bt","status":"publish","type":"post","link":"https:\/\/resources.l-p.com\/ko\/knowledge-center\/ieee-802-3af-vs-ieee-802-3at-vs-ieee-802-3bt","title":{"rendered":"IEEE 802.3af, 802.3at, 802.3bt \uc774\ud574: PoE\uc758 \uc9c4\ud654"},"content":{"rendered":"
\"Understanding<\/figure>\n\n\n\n

\ud83d\udd04 <\/strong>\uc18c\uac1c: \uc774\ub354\ub137\uc758 \uc810\ucc28 \uc99d\ub300\ub418\ub294 \ud798<\/h2>\n\n\n\n

\uc774\ub354\ub137\uc744 \ud1b5\ud55c \uc804\ub825 \uacf5\uae09(PoE,PoE<\/strong>)\uc740 \ud604\ub300 \ub124\ud2b8\uc6cc\ud06c\uac00 \ub2e8\uc77c \ucf00\uc774\ube14\uc744 \ud1b5\ud574 \ub370\uc774\ud130\uc640 \uc804\uae30\uc801 \uc804\ub825\uc744 \ubaa8\ub450 \uc804\ub2ec\ud558\ub294 \ubc29\uc2dd\uc744 \ud601\uc2e0\uc801\uc73c\ub85c \ubcc0\ud654\uc2dc\ucf30\uc2b5\ub2c8\ub2e4.
IP \uc804\ud654\uae30\uc5d0\uc11c \uace0\uc131\ub2a5 \uc561\uc138\uc2a4 \ud3ec\uc778\ud2b8 \ubc0f \ub514\uc2a4\ud50c\ub808\uc774\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0, PoE \ud45c\uc900\u2014IEEE 802.3af<\/strong><\/a>, 3at<\/strong><\/a>, \uc640 3bt<\/strong><\/a>\u2014\uc740 \uc774\ub354\ub137 \ucf00\uc774\ube14\uc744 \ud1b5\ud574 \uc548\uc804\ud558\uace0 \ud6a8\uc728\uc801\uc73c\ub85c \uc804\ub2ec\ub420 \uc218 \uc788\ub294 \uc804\ub825\ub7c9\uc744 \uc815\uc758\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc5f0\uacb0\ub41c \uae30\uae30\ub4e4\uc774 \ub354 \ub192\uc740 \uc640\ud2b8\uc218\ub97c \uc694\uad6c\ud568\uc5d0 \ub530\ub77c, PoE \uae30\uc220\uc740 \uc774\uc5d0 \ubc1c\ub9de\ucdb0 \uc9c4\ud654\ud574 \uc654\uc73c\uba70\u2014 PoE(15.4W)\uc5d0\uc11c<\/strong> \uc5d0\uc11c PoE+(30W)\ub85c,<\/strong> \uadf8\ub9ac\uace0 \ucd5c\uc885\uc801\uc73c\ub85c PoE++(\ucd5c\ub300 100W)\ub85c \ubc1c\uc804\ud588\uc2b5\ub2c8\ub2e4.<\/strong>.<\/p>\n\n\n\n

\ud83d\udd04 <\/strong>PoE \ud45c\uc900 \uac1c\uc694<\/h2>\n\n\n\n
\n\n<\/colgroup>

\uc18d\uc131 \/ \ud45c\uc900<\/p><\/th>

IEEE 802.3af<\/p><\/th>

IEEE 802.3at<\/p><\/th>

IEEE 802.3bt(\ud0c0\uc785 3)<\/p><\/th>

IEEE 802.3bt(\ud0c0\uc785 4)<\/p><\/th><\/tr>

\uc77c\ubc18 \uba85\uce6d<\/p><\/td>

PoE<\/p><\/td>

PoE+<\/p><\/td>

PoE++<\/p><\/td>

PoE++<\/p><\/td><\/tr>

IEEE \ubc1c\ud45c \uc5f0\ub3c4<\/p><\/td>

2003<\/p><\/td>

2009<\/p><\/td>

2018<\/p><\/td>

2018<\/p><\/td><\/tr>

PSE \ucd9c\ub825 \uc804\ub825<\/p><\/td>

PoE(\ud0c0\uc785 1)<\/p><\/td>

PoE+(\ud0c0\uc785 2)<\/p><\/td>

60W<\/p><\/td>

100W<\/p><\/td><\/tr>

PD \uc0ac\uc6a9 \uac00\ub2a5 \uc804\ub825<\/p><\/td>

95W<\/p><\/td>

5W<\/p><\/td>

51W<\/p><\/td>

71\u201390W<\/p><\/td><\/tr>

\uc0ac\uc6a9 \uc804\ub825 \uc30d<\/p><\/td>

2\ud398\uc5b4<\/p><\/td>

2\ud398\uc5b4<\/p><\/td>

4\ud398\uc5b4<\/p><\/td>

4\ud398\uc5b4<\/p><\/td><\/tr>

\uc77c\ubc18\uc801\uc778 \ucf00\uc774\ube14 \uc720\ud615<\/p><\/td>

Cat5 \uc774\uc0c1<\/p><\/td>

Cat5e \uc774\uc0c1<\/p><\/td>

Cat5e\/Cat6 \ucf54\uc5b4 \ucf00\uc774\ube14\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p><\/td>

Cat6\/Cat6A<\/p><\/td><\/tr>

\uc8fc\uc694 \uc751\uc6a9 \ubd84\uc57c<\/p><\/td>

VoIP \uc804\ud654\uae30, IP \uce74\uba54\ub77c, \ubb34\uc120 AP<\/p><\/td>

PTZ \uce74\uba54\ub77c, \ub4c0\uc5bc\ubc34\ub4dc AP, \uc52c \ud074\ub77c\uc774\uc5b8\ud2b8<\/p><\/td>

Wi-Fi 6 AP, LED \uc870\uba85, \ube4c\ub529 \uc790\ub3d9\ud654<\/p><\/td>

\ub514\uc9c0\ud138 \uc0ac\uc774\ub2c8\uc9c0, IoT \uac8c\uc774\ud2b8\uc6e8\uc774, \ubbf8\ub2c8 PC<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n

\ud83d\udd04 <\/strong>\uae30\uc220\uc801 \ube44\uad50 \ubc0f \uc804\ub825 \uacf5\uae09<\/h2>\n\n\n\n
\"Technical<\/figure>\n\n\n\n

1. IEEE 802.3af(PoE)<\/a><\/h3>\n\n\n\n