Zyxel ES-3124-4F 24-port L2+ Fast Ethernet Switch, Managed, L2+, Full duplex, Power over Ethernet (PoE) Zyxel ES-3124-4F 24-port L2+ Fast Ethernet Switch. Switch type: Managed, Switch layer: L2+. Basic switching RJ-45 Ethernet ports quantity: 24, Console port: RS-232. Full duplex. MAC address table: 16000 entries. Networking standards: IEEE 802.1d, IEEE 802.1p, IEEE 802.1w, IEEE 802.1x, IEEE 802.3, IEEE 802.3ab, IEEE 802.3u, IEEE.... Power over Ethernet (PoE)