The Cisco C9400-SUP-1XL-Y Supervisor Engine is the control-plane module for Cisco Catalyst 9400 Series switches, handling the management and coordination of the chassis and its line cards. It is designed for use in the C9410R Catalyst 9400 Series Switch and is compatible with the C9400-LC-48U line card configuration. This supervisor engine provides centralized control across the 9400 platform to support scalable, reliable enterprise deployments.
