Enterprise Campus 48S is the product model name, while ECS-48S is the ordering code. Both refer to the same Ubiquiti 48-port Layer 3 Etherlighting switch with stacking support and 10 GbE RJ45 plus 25G SFP28 connections.

The ECS-48S includes high-capacity 10 GbE RJ45 connections and 25G SFP28 connections. The product description identifies these connection types for uplink and high-bandwidth network connectivity within an Enterprise Campus 48S switching design.

Yes. Enterprise Campus 48S includes stacking support. This allows it to be used in high-availability system designs that require coordinated operation across stacked switches, alongside its Layer 3 switching and Etherlighting capabilities.