The ES3528MO is a Fast Ethernet Layer 2/4 switch featuring 28 ports; 24 100Base-FX ports and 4 combo Gigabit Ethernet RJ- 45/SFP (Small Form Factor Pluggable) ports. It is ideal for desktop Fast Ethernet connectivity and wiring closet installations. Using IP Clustering for a virtual stack of up to 15 switches. The whole stack can be managed as a single entity with a single IP address. This switch is packed with features and is a cost-effective solution that brings continuous availability, enhanced security and advanced QoS to the network edge, while maintaining simplicity of management.