D-Link DES-1228P, Managed, Power over Ethernet (PoE) D-Link DES-1228P. Switch type: Managed. Basic switching RJ-45 Ethernet ports quantity: 24. Networking standards: IEEE 802.1D, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1x, IEEE 802.3, IEEE 802.3ab, IEEE 802.3af, IEEE.... Power over Ethernet (PoE)