Bosch DCN Next Generation Installation And Operation Manual page 133

Conference System
Audio inputs
You can connect microphone or line level signals to the audio inputs of the dual delegate
interface. The audio inputs have DIN-8p-262° sockets.
Figure 6.32 Audio input, connection
Pin
1
2
3
4
5
6
7
8
Table 6.19 Audio input, connection
Pin
4 (-) to 7 (+)
5 (-) to 7 (+)
6 to 7
Table 6.20 Connections
Typically, you will connect DCN-FMIC Microphone Connection Panels (refer to
Section 3.15 DCN-FMIC Microphone Connection Panel) to the audio inputs.
For information about configuration of the DCN-DDI Dual Delegate Interface refer to
Section 7.12 DCN-DDI Dual Delegate Interface.
Bosch Security Systems B.V.
6
8
3
5 4
2
Signal
Signal in, +
Microphone, common
Signal in, -
Microphone LED (max. 2 mA)
Request-to-speak LED (max. 7 mA)
Microphone button
+12 V(DC) (max. 20 mA)
LED ring control
Component
Microphone on LED
Request-to-speak LED
Momentarily microphone
switch
Installation and Operation manual
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Connection | en 133
DCN-NG_IOM_V4.1 | V1.3 | 2012.07