48-Port Gb PoE+ L2 L3 Managed Switch with 4 SFP+, US Power Cord - VideoLink®
Switch (L2/L3) Vs Router: Comparison and Differences in TCP/IP Networks
TP-LINK JetStream 48-Port Gigabit L2 Managed Switch with 4 SFP Slots (TL-SG3452) - The source for WiFi products at best prices in Europe - wifi-stock.com