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Bosch Plena LBB1930/20 Installation And Operation Manual page 10

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10
en | Connection and indicators
Figure 5.3: LBB 1938/x0
Note that slight deviations from the rear panel layout shown may occur.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10. Mains fuse (T10A)
11. Mains connector (3-pole)
12. ON - OFF switch
13. Voltageselector (Not on LBB 1938/x0)
14. Loudspeaker direct output terminals
15. Battery detection
16. Fault relay output
17. Pilot-Tone detection
18. 100 V slave input terminals
19. Input 2 enable control terminals
20. Input 1 priority control terminals
2014.01 | V1.1 | LBB193x/x0
20
19
18
Input 1 Priority
Loopthrough 1
Input 1
Input 2
Slave Input
Input 2 Program
Priority
Enable
100V
Loopthrough 2
Input 1 Priority
+
2...24V- Input 1
-
0V- Input 2
Input 2 Enable
+
2..24V- Enable
-
0V- Mute
100V
Slave Input 100V
0
2..24V
GND 2..24V
GND
100V
0
Default O
Default On
Input 1-Priority
Input 2-Progr
am
Input
Input
Input
Output
1
2
3
4
5
Priority line input 1 (XLR/balanced)
Level control input 1
Priority loopthrough output 1 (XLR/balanced)
Program line input 2 (XLR/balanced)
Level control input 2
Program loopthrough output 2 (XLR/balanced)
Priority controlled loudspeaker output terminals
24 Vdc power supply terminals
Earth connection screw
Installation and Operation manual
6
Plena Power Amplifiers
17
16
15
14
Fault Relays' Output
Input
Battery
Main Power
Pilot-tone
Battery
Detector
Detection
O On
O On
NO COM NC
NO COM NC
NO COM NC
Apparatus
delivered
Direct O utput
connectored
100V
100V
0
70V
0
8
for 230V~
0
70V
0
8ohm
100V/70V
Rated input
Selection (12A)
Power : 1600VA
Priority Only
0
Priority Controlled Output
No Priority
0
Priority
100V
0V
100V 0V
Priority Only
No Priority
9
7
Bosch Security Systems B.V.
Power
12
11
10
24V DC In
8

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