1-4c. Main Features - Ringing Group (solution)
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Exercise
Ringing Group 1
- By dialing a code it must be possible to call Mr. Einstein and Mr. Galilei in parallel. Both stations should ring, and when one answers (M or handset) the ringing should stop in the other station:
Ringing Group 2
- The call button in the elevator must call the Reception, Mr. Einstein and the Main Guard in parallel: