It means that the system automatically notifies the fire department in the event of an alarm.
Don’t know about the '80s but Potter currently manufactures one, model PFC-8500.
If done correctly, should not be a big issue.
In high-rises, they are used as an internal intercom between floors of the building so an officer on ground level can speak to his companies or crews on other floors.
1.) When was System Sensor founded?
2.) What does the “MS” in “MS-2” and “MS-4” stand for?
3.) What town are the Honeywell fire alarm offices located in?
4.) True/False: Simplex also handles video surveillance and paging systems.
5.) Name Simplex’s first multiplex system.
Sorry to correct everyone, but the 2100 was actually Simplex’s first multiplex system released in 1979, the 2120 was released in 1981, and the Miniscan series has been around since at least 1980. All of this info is easy to mix up.
LOL, I wrote that article but stopped contributing to the wiki once I realized that no one was really using it. We had to lock it down because of insane amounts of spam.