What can substitute one of the alarm panels in a master alarm system?

In a master alarm system, a centralized computer system can effectively substitute one of the alarm panels. This is because a centralized computer system can integrate multiple alarm signals, provide data processing, and monitor various aspects of the alarm systems in real-time. It serves as a hub that consolidates information from different alarm panels, thereby allowing for better management and response to any alerts from the medical gas system.

The ability of a centralized computer system to provide comprehensive monitoring and control is critical in environments such as hospitals, where safety and efficiency are paramount. It supports advanced functionalities like data logging, remote access, and integration with other systems, maximizing the operational capability of the alarm management process.

The other options, while important in their own contexts, do not serve the same role as a centralized computer system within a master alarm system. An area alarm, for instance, typically serves a specific section and may not offer the comprehensive oversight required for optimizing multiple alarm inputs. A fire alarm, while vital for safety, is focused specifically on fire detection and response, lacking the broader application necessary in this scenario. Similarly, a security system primarily addresses security concerns rather than the integrated management of medical gas alarms.