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Bosch Security Systems | 2011-02
Praesideo 3.5 | Installation and User Instructions | 3 | Control Equipment en | 107
6.2.2 Rear view
The rear of the audio expander (see figure 6.2) contains
the following:
4 Audio inputs - Four audio inputs for receiving
audio signals from analog audio sources. Two of the
audio inputs are selectable between microphone and
line. The other two audio inputs are fixed line inputs.
Each audio input has a XLR as well as a double
cinch connector (see section 6.3.3).
5 Audio outputs - Four audio outputs for extracting
analog audio signals. Each audio output has a XLR
as well as a double cinch connector (see
section 6.3.4).
6 Ground - A connection to electrically ground the
audio expander.
7 System bus - Two system bus connectors to
connect the audio expander to other Praesideo
equipment (see section 6.3.2).
8 Control inputs - The control inputs can be used to
receive signals from third party equipment that must
trigger actions in the Praesideo network (see
section 6.3.5).
9 Control outputs - The control outputs can be used
to send signals to third party equipment to trigger
actions generated by the Praesideo network (see
section 6.3.6).
figure 6.2: Front and rear views of the audio expander
Network
Control In
Audio In 3
12345678
C NC NO C NC NO CNC NOC NCNOC NC NO
12
48V
Audio Out 3 Audio In 4 Audio Out 4
Audio In 1 Audio Out 1 Audio In 2 Audio Out 2
Control Out
1 2 3 4 5
48V
Avis
Caution
Risk of electric shock.
Do not open.
Risk of electric shock.
Do not open.
5
74
4
5 4
545
6
8 9
2
1
3