Lbb4402/00 Analogue Audio Expander; Introduction; Controls, Connectors And Indicators - Bosch DCN Next Generation Installation And User Instructions Manual

DCN NG | Installation and User Instructions | Section 3 | Central Control Equipment
10 LBB4402/00 Analogue
Audio Expander
10. 1

Introduction

The LBB4402/00 analogue Audio Expander is used if
the system requires additional inputs for inserting audio
into the systems or additional outputs for extracting
audio from the system.
Network
1 2
48V 48V
8
figure 10. 1 : Front and rear views of the analogue audio expander
Bosch Security Systems | 2004-03 | 9922 141 70521en
1
4
Caution
Audio In 3
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
Audio In 1
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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10.2 Controls, connectors and
indicators
10.2.1 Front view
The front of the analogue audio expander (see
figure 10.1) contains the following:
1 Menu display - A 2x16 character LCD display
gives information about the analogue audio
expander analogue. It is also used as an interactive
display for configuring the analogue audio expander
(see section 10.5).
2 Menu button - A turn-and-push button to operate
the menu in combination with the display (see
section 10.5).
3 Monitoring headphones output - A 3.5 mm
jack socket to connect headphones for audio
monitoring purposes.
2
5 6 5
Audio Out 3 Audio In 4
Audio Out 1 Audio In 2
5 6 5
3
6
Audio Out 4
Audio Out 2
6
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