Specifications

Bosch Security Systems | 2003-09 | 3922 988 99483en
Plena System Pre-amplifier | Installation and Operating Manual | en | 16
4.5 Connect audio sources for background music
Figure 4.5
The system pre-amplifier has 3 connections for background music (CD, Tape & Auxiliary). You can connect 3 units
but only one of the inputs is used depending on the selection switch at the front. It is also possible to use the output
of a PC soundcard to supply music or time signals to the system pre-amplifier. To do so connect the soundcard
output to the 'PC Audio ln' input.
100V
100V 0
1
00V 0
100V
0
MasterOut
Trigger1
Tel/EMG
0
Out
Z
on
CD
L
R
Trigger2
PCAudioIn
1.Audio+
2.0V
3.Audio-
4.24Vd.c.
5.Allcall
6.Data-
7.Data+
8.Chs.GND
LBB1925/0 0
89 001 925 0 005
115/230V~,50/60Hz
No.
RS232
/Line
Aux
4
1
3
7
6
8
5
4
1
2
2
1
+
-
GND
3
1
2
+
-
GND
3
2
R
TA PE
115
V-
2
30V-
In
+24V
-
+24V
-
R
a
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din
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t
Po
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r: 5
0
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0
A
L2
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Zone
6
Z
one5
Zone
1
CD
L
R
Tri
g
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r2
PCA
udioIn
1.Audio
+
2.0
V
3
.Aud
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25/0
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0
01
9
2500
05
115/
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V~
,
50/60Hz
No
.
RS232
/Li
ne
/Lin
e
A
ux
3
5
4
1
2
3
7
6
8
5
4
1
2
2
1
+
-
G
N
D
3
1
2
+
-
G
N
D
3
Zon
e3
Zone
2
Zon
e
4
DC
O
ut
DCI
n
1
00V
100V 0
0
100
V
100V 0
0
1
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1
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0
100
V
0
1
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0
Re
pe
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t
Pro
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F
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M
2
/7
M
3
/
8
M
4
/
9
M
5
/
1
0
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External settings and connections