Cisco Catalyst 9400 Series 24-Port Line Card Switch Module

The Cisco C9400-LC-24XS= is a line card built for the Catalyst 9400 Series chassis that adds 24 ports capable of running at either 1 Gigabit or 10 Gigabit Ethernet. By sliding this module into an open slot you immediately extend switching capacity without replacing the entire chassis, which keeps downtime low and preserves existing investments.

Because the card is an integral element of Cisco’s SD-Access architecture, it helps a campus network carry cloud services, IoT traffic, and policy-based security in a consistent, centrally managed way. When deployed in a fully populated Catalyst 9400 chassis, the combined platform can deliver up to 9 Tbps of system bandwidth, so large file transfers, wireless aggregation, or real-time video do not crowd out business-critical applications.

Every port supplies up to 60 W of Power over Ethernet, enough for power-hungry wireless access points, PTZ cameras, or interactive signage. That capability removes the need for separate power adapters, simplifies cable management, and speeds up device rollouts across offices, classrooms, or retail floors.

Reliability and flexibility are built in. The modular design lets you upgrade or replace a line card while the rest of the switch keeps running, and redundant supervisors along with power supplies protect against unexpected failures. For network teams that want more throughput today yet still need room to scale in the future, this card provides a clear, cost-effective path.

• Twenty-four ports that operate at 1G or 10G Ethernet
• Simple plug-in installation for Catalyst 9400 Series chassis
• Up to 9 Tbps of system bandwidth with the parent chassis
• 60 W PoE available on every port for high-power endpoints
• Works within Cisco SD-Access for policy-driven networking
• Supports redundant supervisors and power supplies to maximize uptime