MLC Siemens Line Card The MXL Line Card (Model MLC Siemens) is an optional card for the FireFinder XLS fire alarm control panel (FACP) that supplies two (2) intelligent analog circuits, utilizing the Model -series; Model -series or Model-series type intelligent devices. Model MLC occupies two (2) addresses on the HNET network, and through the use of a unique communications protocol devices connected to the Model MLC circuits are dynamically supervised by FireFinder XLS. Smoke detectors are monitored for sensitivity/obscuration, and notification is given when the sensitivity/obscuration is outside normal parameters. Specifications Each of the Model MLC circuits supports the use of up to 60 Alarm; Trouble; security; status, and supervisory-type devices. Further, remote conventional initiating-device zone modules (Model C(more...)