Master key systems
  • Master key system: egyzárlatú rendszerek, főkulcsos renszerek
Simple master key system
All users can open his/her own door, and the master key opens all the doors.
Portal-type master key system
All users can open his/her own door, and all users can open the common places.
Wide master key system
All users can open his/her own door, the group keys open the doors those belong together and the master key opens all the doors.
Wide “crossed-shape” master key system
All users can open his/her own door, the group keys open the doors those belong together and some from other groups. The master key opens all the doors.