Bosch DCN Next Generation Installation And Operation Manual page 119

Conference System
Control inputs
The audio expander has eight control inputs. With the control inputs, remote interpretation
systems can control the audio inputs and the audio outputs of the audio expander. Each audio
input and audio output has a control input.
Figure 6.12 Control inputs, connection
Control input
1
2
3
4
5
6
7
8
Table 6.7 Control inputs, connection
When the circuit that is connected to a control input of an audio input or audio output is
open, the audio input or audio output is enabled. Close the control input to disable the audio
input or audio output.
When an control input is disabled, an X character replaces the VU meter of the corresponding
audio input or audio output on the display.
Control outputs
The audio expander has five control outputs.
Control Out
Figure 6.13 Control outputs, connection
With the control outputs, you can:
–
–
–
Bosch Security Systems B.V.
Control In
1 2 3 4 5 6 7
C NC NO C NC NO C NC NO C NC NO C NC NO
1 2 3 4 5
Send the condition of the audio outputs to external devices (control output 1,2,3 and 4).
Send the condition of the connection of the optical network to external devices (control
output 5).
When an audio output is assigned to an individual microphone channel, a corresponding
contact can be switched when the level is above threshold. Refer to Table 7.16.
Installation and Operation manual
8
Connection
Audio input 1
Audio input 2
Audio input 3
Audio input 4
Audio output 1
Audio output 2
Audio output 3
Audio output 4
Connection | en 119
DCN-NG_IOM_V4.1 | V1.3 | 2012.07