Fire alarm and fire alarm network having a plurality of fire alarm systems

While often fire detectors are used as stand-alone solutions in private homes, so they isolated monitor a section of eg a house and only then issue an alarm if a fire is detected in this sub-region, it is common for large building complexes, networked fire alarm to use. It is a fire alarm system 1 having a plurality of fire detectors 2, having a fire control panel 5, wherein the fire control panel, 5 is connected via a first network 4 with the fire detectors 2 so that fire alarm data B, B 'are transferred from the fire detectors 2 to the fire control panel 5 can, wherein the fire detector 2 and / or the fire control panel 5 are formed to output a fire alarm or, where a monitor center 9 for monitoring an installation and / or maintenance condition of the fire detector 2 and / or the fire control panel 5, wherein the monitor center 9 via a second network 8 is connected to the fire alarm center. 5