The Cisco Catalyst 3750 Series Switches are innovative switches that improve LAN operating efficiency by combining industry-leading ease of use and high resiliency for stackable switches. This product series features Cisco StackWise™ technology, a 32-Gbps stack interconnect that allows customers to build a unified, highly resilient switching system, one switch at a time.Cisco WS-C3750-48PS-S 3750 48 Port Switch. Ease of Use: “Plug-and-Play” Configuration. Network Security: Granular Control for the Access Environment. Jumbo Frames: Support for High-Demand Applications and IPv6 Support. Lower Operations Costs and Eco-Friendly Design.