Bosch DCN Next Generation Installation And Operation Manual page 121

Conference System
NOTICE!
When the interlock mode is None (refer to Section 7.15 DCN-IDESK Interpreter Desks), the
audio inputs of the digital audio expander are disabled for translation channels only. Audio
input channels can route to floor channels.
Each audio input can contain a maximum of 2 channels (L and R). The digital audio expander
does not change stereo signals in mono signals.
Use the configuration menu to configure the audio inputs of the digital audio expander (refer
to Section 7.5 PRS-4DEX4 Digital Audio Expander).
Audio outputs
You can connect external digital audio devices to the audio outputs of the digital audio
expander. The digital audio expander has two audio outputs.
Each audio output has:
–
–
NOTICE!
You cannot use the AES/EBU and SPDIF connections of the same audio output at the same
time.
5
Figure 6.15 Audio output, connection
Pin
1
2
3
4
5
Table 6.10 Audio input, connection
Each audio output can contain a maximum of 2 channels (L and R). The digital audio expander
does not change stereo signals in mono signals.
Use the configuration menu to configure the audio outputs of the digital audio expander (refer
to Section 7.5 PRS-4DEX4 Digital Audio Expander).
Control inputs and outputs
The digital audio expander has eight control inputs and five control outputs. With the control
inputs remote systems can control the digital audio expander. With the control outputs, you
can send the condition of the digital audio expander to external devices. The control inputs
and outputs of the audio expander and the digital audio expander do the same (refer to
Section 6.3 LBB4402/00 Audio Expander).
Bosch Security Systems B.V.
1 XLR plug for AES/EBU signals. The electric circuits behind the XLR plugs contain
transformers.
1 cinch socket for SPDIF signals.
2 1
Out 1
3
Type
XLR
Cinch
Installation and Operation manual
Signal Description
Xternal Shield/ground
Live Positive
Return Negative
Live Signal in
Return Shield/ground
DCN-NG_IOM_V4.1 | V1.3 | 2012.07
Connection | en 121