Siemens XDLC Field Device Loop CardThe Siemens XDLC Field Device Loop Card is the interface for connection of Desigo Fire Safety Modular Cerberus PRO Modular smoke detectors, MultiCriteria detectors including Carbon Monoxide, manual stations, monitor devices, and control devices to the Desigo Fire Safety Modular Cerberus PRO Modular System. The XDLC uses one network address on the system. The application program that is loaded into the on board microprocessor controls the XDLC