Bosch DCN Next Generation Operation Manual page 137

Conference System
Figure 6.35: External contact, connection (1)
Refer to the figure for a circuit diagram of an external contact connection that does not use
the galvanic separation.
Figure 6.36: External contact, connection (2)
Bosch Security Systems B.V.
External
1
2
+
4-12 V(DC)
_
3
External
1
< 0.5 m
2
3
On PCB
+5V(DC)
R
X7
On PCB
+5V(DC)
R
X6
Operation Manual
Connection | en 137
2013.11 | V2.0 | DCN-NG_OM_V4.x