Filter
Top Products
Bosch Security Systems | 2003-09 | 3922 988 92883en
Plena Mixer Amplifier | Installation and Operating Manual | en | 13
4 External settings and connections
4.1 Connect the DC supply (battery)
Figure 4.1
The mixer amplifier has a 24 Vdc input (terminal screw), which you can use to connect a back up power supply, e.g.
batteries. You can earth the unit to increase the electrical stability of the system.
4.2 Priority microphone
Figure 4.2
Caution
The connection cable must have an in-line fuse. Use the type of fuse as mentioned in the illustration.
External settings and connections
1
15V/230V
A
p
p
aratu
s
d
e
liv
e
red
con
ne
cte
d
f
or
230
V
-
Ra
te
dinp
u
t
p
owe
r:4
0
0
V
A
Thi
s
a
pp
aratusm
u
s
t
W
arni
n
g
Call/Mi
x
24VD
C
In
Cal
l
Only
Mi
x
O
n
l
y
70
V0
10
0
/70
V
0
100
/70
V
0
80
12 VDC
12 VDC
-
+
-
+
F
LBB1903 (30W); F=F5A
LBB1906 (60W); F=F8A
LBB1912 (120W); F=F15A
LBB1914 (120W); F=F15A
1
1
5
V
/
2
3
0
V
A
p
p
ar
a
t
u
s
d
el
i
v
e
r
ed
c
onn
ec
t
e
d
f
o
r
2
3
0
V
-
R
a
t
ed
i
np
ut
p
o
w
er
:
4
00
V
A
T
h
i
s
a
p
p
ar
a
t
us
m
u
s
t
b
e
e
a
r
t
h
e
d
Wa
r
n
i
n
g
2
1
3
4
M
i
c
/
L
i
n
e
M
i
c
/L
i
n
e
C
D
L
R
A
u
x
L
i
n
e
O
u
t
1
V
In
c
O
u
t
In
T
e
l
/
Em
e
r
.
0
0
2
C
h
i
m
e
4
.5
1
-
-
3
C
a
l
l
/
M
i
x
2
4
V
D
C
I
n
C
a
l
l
O
n
l
y
M
i
x
O
n
l
y
1
00
V
0
7
0
V
0
1
0
0
/
7
0
V
0
1
0
0
/
7
0
V
0
8
0
115
V/2
30V
A
p
par
a
t
u
s
deli
v
er
ed
c
onn
ec
te
d
f
or
2
30V
-
R
ated
i
nput
po
w
e
r
:40
0V
A
T
h
is
app
ar
atus
m
u
s
t
b
eea
r
thed
Wa
rn
i
n
g
2
1
3
4
Mi
c
/
Li
n
e
Mic
/Li
n
e
C
D
L
R
A
ux
Li
neOut1V
In
c
O
u
t
In
T
el
/Emer.
0
0
2
C
hime
4
.
5
1
-
-
3
Ca
ll
/
M
ix
2
4
V
D
C
I
n
C
a
l
lO
nl
y
Mi
xO
nl
y
1
00
V
07
0
V
0
10
0/70
V
0
100/70V
0
8
0
180 5-pole DIN6.3mmphono jack
180 3-pole XLR
GND
GND
2