16
Alimentatore
Targa principale
Chiamata Fuori Porta
Audio Video
Montante
20577/19577/14577
CH
1
2
E+
E-
FP
M
12V
2
+12
S
1
0
28V
1
PRI
2B1B2
AL
CP
12
BUS D BUS P
1122
SP
NT
Functions of the video door entry unit
Figure 13 - Landing calls, audio only
Landing calls.
The system enables making both audio and audio/video speech units that can be used, for instance, on the
landings of condominiums through which people pass to access the door for entry into the apartments.
The audio speech unit is made with the call button 20577 or 19577 or 14577 while the audio/video speech unit
is made of the same call button which is combined with a video camera (art. 20560, 19560, 14560 or 20565,
19565, 14565) with the possibility of adding also the LED illuminators (art. 20570, 19570, 14570) if the ambient
light is not sufficient.
Finally, to make the audio/video call from the landing, it is necessary to use the audio/video interface for video
cameras 69AM (see the "AUDIO/VIDEO COMMUNICATION FOR LANDING CALLS" chapter in this manual).
Examples of installation:
AL - Power supply Art. 6922
SP - Separator Art. 692S
CP - Landing call button Art. 20577/19577/14577
NT - Network
VV - Video door entry unit 5721
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