The Cisco Catalyst 3850-24U is an enterprise-class stackable Ethernet and Multigigabit Ethernet access and aggregation layer switch that provides full convergence between wired and wireless on a single platform. Cisco's unified access data plane application-specific integrated circuit powers the switch and provides application visibility, flexibility and optimization. This convergence is built on the resilience of the improved Cisco StackWise-480 technology. The Cisco Catalyst 3850-24U switch supports full IEEE 802.3at power over Ethernet Plus, Cisco Universal Power over Ethernet, modular and field-replaceable network modules, RJ-45 and fiber-based downlink interfaces, and redundant fans and power supplies. With a high performance the Cisco Catalyst Multigigabit Ethernet switch supports wireless speeds and standards.