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Praesideo 3.5 | Installation and User Instructions | 4 | Amplifiers
9.2
Controls, connections and
indicators
9.2.1 Front view
The front of the multi channel interface (see figure 9.2)
contains the following:
1 Amplifier channel status - Audio channels
indicators 1 to 14 gives the status of the connected
amplifier channels.
2 Spare channel status - Audio channel indicators
15 and 16 gives the status of the spare channels.
3 Network status - Status of the network.
9.2.2 Rear view
The rear of the multi channel interface (see figure 9.2)
contains the following:
4 Control inputs - 32 Control inputs can be used to
receive signals from third party equipment that must
trigger actions in the Praesideo network (see section
9.3.5).
4
Control In
1-8
9-16
17-24 25-32
1
2
3
4
17
18
19
20
Network
1
48V
48V
6
figure 9.2: Front and rear views of the multi channel interface
Bosch Security Systems | 2011-02
1
2
3
5
6
7
8
9
10
11
12
13
14
15
16
21
22
23
24
25
26
27
28
29
30
31
32
Bypass In
Bypass Out
1
2
2
Praesideo Power Amplifiers Only
8
7
5 Control outputs - 16 Control outputs can be used
to send signals to trigger actions generated by the
Praesideo network (see section 9.3.6).
6 System bus - Two system bus connectors to
connect the multi channel interface to other
Praesideo equipment.
7 Bypass In - The multi channel interface bypass
input from the Network controller. See section 9.3.4.
8 Bypass Out - The multi channel interface bypass
output to next multi channel interface.
9 Amplifier connectors 1-14 - Connections to the
basic amplifier channels to give audio and control
signals and receive power and supervision
information (see section 9.3.2).
10 Amplifier connectors 15-16 - Connections to the
spare basic amplifier channels.
11 Ground - A connector to electrically ground the
unit (see section 9.3.7).
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
5
Control Out
C NC NO C NC NO
C NC NO C NC NO
C NC NO C NC NO
C NC NO C NC NO
1
2
3
4
5
6
7
8
3
4
5
6
7
8
9
Control Out
C NC NO C NC NO
C NC NO C NC NO
C NC NO C NC NO
C NC NO C NC NO
9
10
11
12
13
14
15
9
10
11
12
13
14
15
Praesideo Power Amplifiers Only
10
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16
16
11
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