MASZCZYK is a state-of-the-art modular fire detection system developed by the Polish manufacturer, Optivum. The KM-33 GY part is an analog addressable fire detection module that is compatible with the main module of the system, the MASZCZYK SL1. It features 32 inputs and up to 32 addressable zones, and is equipped with a digital temperature sensor, which ensures accuracy and reliability in temperature readings when responding to fires. With its RS485 link, the KM-33 GY supports a wide range of addressable and conventional field devices, including smoke and heat detectors, alarms, signaling systems, switches, and manual call points. Furthermore, the KM-33 GY supports up to 16 zones for remote input and supervision.