The document is a manual for the CM EIB/KNX expansion module used to connect Siemens' LOGO! control module to the EIB bus, providing information on safety notices, installation, wiring, operation, and supported functions. It includes guidelines for mounting, connecting power, and programming the module, as well as details on its operational status and communication capabilities with EIB devices. Additionally, the manual outlines the specifications, wiring instructions, and guidelines for ensuring compliance with relevant standards.