elmeg C46e Description And Installation page 48

2.5.6 Interfacing of call signaling at terminals using buttons
If you wish to signal a call at the terminals entered in the TFE call mode by
pressing a button, you can use the connection shown in Figure 34.
Fig. 33: Bell ringing button
TFE m o d ule
B ell ring ing b utto n 1
B ell ring ing b utto n 2
B ell ring ing b utto n3
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