Lenovo Chassis Management Module - network management device

The IBM Flex System Chassis Management Module (CMM) is a hot-swap IBM Flex System module that you use to configure and manage all installed IBM Flex System components. The CMM provides system-management functions for all components in an IBM Flex System Enterprise Chassis. It controls a serial port for connection to a local console or a serial management network and supports data rates of 10/100 Mbps and 1 Gbps with auto-negotiate.