... standard power receiving devicesSupport IEEE802.3af 15.4W and IEEE802.3at 30W PoE standardsSupport each 100M port full rate, full ... .3u 100Base-TX/FX Fast Ethernet, IEEE802.3af, IEEE802.3at, IEEE802.1d Spanning TreePoEPoE ports: 4Standard and power consumption:IEEE802 ... .3af 15.4W, IEEE802.3at 30WWorking mode: auto discovery power receiving devices and auto power ...