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Installation; External Connections - Bosch Plena Power Amplifier Installation And User Instructions Manual

Plena power amplifiers
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Plena Power Amplifier | Installation and User Instructions | Amplifiers
3.4

Installation

The power amplifier is suitable for table-top and 19-inch
rack-mounting installation. Two brackets for rack-
mounting are supplied. See figure 3.5 for installation
details.
0 dB
-6 dB
-20 dB
figure 3.5: Brackets for rack-mounting
The power amplifier has an internal fan regulated to
keep the temperature inside the unit within the safe
operating condition.
Bosch Security Systems | 2006-11 | 9922 141 50751en
3.5

External connections

3.5.1
Connect the back-up power
supply
The power amplifier has a 24 Vdc input (8) screw
terminal to connect a back-up power supply. You must
connect an earth (9) to the unit to increase the electrical
stability of the system.
8
-
+
-
1 2 V
+
D C
1 2 V
D C
figure 3.6: Back-up power supply
en | 12
9

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