Bosch Plena - Page 47

Bosch Security Systems | 2006-06 | 9922 141 10377 en
Plena Voice Alarm System | Installation and User Instructions | Equipment en | 47
See figure 6.3 for information about connecting external
power amplifier 2 to a voice alarm router.
6.3.6 Power
The procedure for connecting a voice alarm router to
the mains power is the same as the procedure for
connecting the voice alarm controller to the mains (see
section 5.3.12.2). The procedure for connecting a voice
alarm router to a back-up power supply is the same as
the procedure for connecting the voice alarm controller
to the mains (see section 5.3.12.3).
figure 6.3: Connecting external power amplifier 2
Note
The internal power amplifier of the voice alarm
controller can also be used as external power
amplifier for the voice alarm router.
De
Th
Booster 1
Out
GND
Booster 2
100V 70V 0
line in line out
12
3
12
3
GND GND++
--
PLN-1P120
LBB1992/00
0 100V 0 100V70V0100V
TRG1 TRG2
NC
B
0 100V 0 100V 0 +24V-
Booster 2 in
Z6
DC In
Z1
Z2