Bosch DCN Next Generation Installation & User's Instructions page 112

DCN Next Generation | Installation and User Instructions | Central Devices
12.4.3 Audio inputs
You can connect external digital audio sources to the
audio inputs of the digital audio expander. The digital
audio expander has two audio inputs (refer to figure
12.5). Each audio input has:
• 1 XLR socket for AES/EBU signals. The electric
circuits behind the XLR sockets contain
transformers.
• 1 cinch socket for SPDIF signals.
Note
You cannot use the AES/EBU and SPDIF
connections of the same audio input at the same
time.
2
AES/EBU-SPDIF
In 1
3
figure 12.5: Audio input, connection
table 12.4: Audio input, connection
Pin Type
1 XLR
2
3
4 Cinch
5
Note
When the interlock is None (refer to section
33.6.6. 1 1), the audio inputs of the digital audio
expander are disabled for translation channels
only. Audio input channels can route to floor
channels.
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1
Out 1
5
4
Signal Description
Xternal Shield/ground
Live Positive
Return Negative
Live Signal in
Return Shield/ground
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.
table 12.5: Audio inputs, digital signals
Number of connections:
• 1x XLR socket for each audio input
• 1x cinch socket for each audio input
Location:
Rear side
Cable:
Shielded cable
Maximum level:
Refer to appendix A
Nominal level:
Refer to appendix A
Impedance:
XLR: 110 Ω
•
• Cinch: 75 kΩ
Use the configuration menu to configure the audio
inputs of the digital audio expander (refer to section
12.5.9).
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