The CX210 FC switch module (CX210 for short) is a switch control unit that provides data switching functionality for service slots in the system and centrally provides service, and management interfaces for external devices.The CX210 is installed in the rear slot of the E9000 chassis and connected to compute nodes, store nodes, and management modules through the E9000 midplane. The CX210 performs switching of internal data packets and control management packets to provide high-speed data transmission.