Access Layer Switches: Operating at the network's edge, access switches connect end-user devices like PCs, printers, IP phones, and wireless access points. They are characterized by high port density, cost-effectiveness, security features at the edge, and often PoE . What is a PoE switch (Power over Ethernet switch)? Power over Ethernet switch (or PoE switch) is an access layer technology that combines data signals and electrical power into a single Ethernet cable connection, delivering both to enable a powered device (PD). It typically sits at the access layer, provides high port density, often delivers PoE, and forwards traffic. The DGS-3130 Series is a highly versatile Lite Layer 3 stackable switch. Including powerful L2 & L3 features, as well as support for multiple software images, it is highly pliant, capable of accommodating different network deployments. With network bottlenecks on the rise, the DGS-3130 Series's six. Streamline your network with NETGEAR PoE switches that deliver power and data over one cable. Choose from managed and unmanaged switches for any setup. It provides a high-performance 54-port. This guide provides a comprehensive comparison of Access, Distribution, and Core switches, detailing their functions, characteristics, and deployment scenarios.