Lbb4402/00 Audio Expander - Bosch DCN Next Generation Installation And Operation Manual

Conference System
3.2

LBB4402/00 Audio Expander

Use the LBB4402/00 Audio Expander if the system needs more than two analog audio inputs
or audio outputs.
Typically, the audio expander is used to:
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Network
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48V 48V
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Figure 3.8 Front and rear views
The front panel contains:
1.
2.
3.
The rear panel contains:
4.
5.
6.
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9.
Bosch Security Systems B.V.
Connect external recording devices to the system.
Send audio signals to external devices.
Connect systems.
1
4
Caution
Risk of electric shock.
Do not open.
Avis
Risk of electric shock.
Do not open.
Control In
1 2 3 4 5 6 7 8
Control Out
C NC NO C NC NO C NC NO C NC NO C NC NO
1 2 3 4 5
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Display - Shows the configuration menu.
Knob - Operates the configuration menu.
Headphones socket - Headphone connection.
Control inputs - Connects the audio expander to external devices. Through the control
inputs, external devices can control the audio inputs and the audio outputs of the audio
expander.
Audio inputs - Connects the audio expander to external analog audio sources.
Audio outputs - Connects the audio expander to external analog audio devices.
Ground screw - Connects the audio expander to ground.
Optical network sockets - Connects the audio expander to the optical network.
Control outputs - Sends the condition of the audio expander to external devices.
Installation and Operation manual
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Audio In 3 Audio Out 3 Audio In 4
Audio In 1 Audio Out 1 Audio In 2
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System Overview | en
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Audio Out 4
Audio Out 2
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DCN-NG_IOM_V4.1 | V1.3 | 2012.07
23
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