The Cisco Catalyst 3560X-48T-S Layer 3 Switch Ethernet Switch is an enterprise-class lines of stackable and standalone switch, respectively. This switch provides high availability, scalability, security, energy efficiency, and ease of operation with innovative features such as Cisco StackPower, IEEE 802.3at Power over Ethernet Plus (PoE+) configurations, optional network modules, redundant power supplies, and Media Access Control Security (MACsec) features.