D-Link DES-1210-28P/C3A, L2 Smart Switch with 24 10/100Base-TX ports and 2 10/100/1000Base-T ports and 2 100/1000Base-T/SFP combo-ports (4 PoE ports 802.3af/802.3at (30 W), 20 PoE ports 802.3af (15,4