In a narrow gallery of the old building is the warning and alarm center of the air protection of the GDR.

. The lines required for this were also laid in the transmission center.

This room was maintained by selected personnel of the post office.

From 1971, all 11000 siren systems in the GDR were triggered centrally from here.

The coding for triggering the siren system already worked at that time like the tone dialing method used today for telephones.

From the warning center, in an emergency, you could talk to all radio stations in the GDR.

Announcer's booth with microphones for announcing air-raid warnings over GDR radio.