ComNet, commercial Layer2+ managed PoE switch, 22 ports 10/100/1000Tx + 2 combo ports 10/100/1000TX or 100/1000FX + 2 SFP 100/1000FX, 24 PoE 802.3af/at 30W ports, 420W Total PoE Budget, 230VAC, 19" rack mountable