Overview The Cisco C9400-LC-48U= is a line card designed for the Catalyst 9400 Series switches, providing 48 auto-negotiating 10/100/1000 Ethernet ports with Universal Power over Ethernet (PoE) delivering up to 60 watts per port. It integrates seamlessly with Cisco SD-Access to offer policy-based automation and secure segmentation, supporting up to 9 Tbps of total system bandwidth for handling increasing network demands. The 48 ports support a broad range of devices that require both data and power, making it ideal for environments with extensive IP phone systems, wireless access points, or surveillance infrastructure. Its compatibility with Cisco SD-Access enhances network management and security through automated policies and segmentation. Ideal uses and environments The C9400-LC-48U= is well suited for enterprise campuses, branch offices, healthcare facilities, and educational institutions that depend on a large number of powered network devices. It supports expanding VoIP deployments, adding high-definition surveillance cameras, and increasing wireless coverage without the complexity of additional power cabling. Its robust bandwidth and redundancy features make it a strong choice for environments where uptime and performance are critical.