Keep access networks available when traffic patterns change and uptime matters. The Zyxel XGS2220-30F-DC combines 24 Gigabit SFP ports, 4 SFP+ 10G uplinks, and 2 RJ45 10G ports for a 30-port switching platform built for dense fiber aggregation and high-speed upstream connectivity. Layer 2 management gives infrastructure teams the control needed for segmentation, policy enforcement, and predictable traffic handling at the edge. Dual AC and DC power support adds deployment flexibility in racks where power architecture is dictated by site standards, redundancy requirements, or migration plans. This model fits environments that need more than a basic access switch. The port mix supports fiber-heavy designs, while the 10G uplink options help prevent bottlenecks as endpoints, wireless, and downstream switches grow. For teams standardizing on managed switching with room to scale, it offers a practical balance of port density, uplink speed, and power resilience.