LevelOne FSW-0503Z, Fast Ethernet (10/100), Full duplex, Power over Ethernet (PoE) LevelOne FSW-0503Z. Basic switching RJ-45 Ethernet ports type: Fast Ethernet (10/100), Basic switching RJ-45 Ethernet ports quantity: 5. Full duplex. MAC address table: 1024 entries. Networking standards: IEEE 802.3, IEEE 802.3af, IEEE 802.3u, IEEE 802.3x. Power connector: DC-in jack. Power over Ethernet (PoE)