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Praesideo 3.5 | Installation and User Instructions | 3 | Control Equipment
5
PRS-NCO-B Network
Controller
5. 1
Introduction
The PRS-NCO-B, successor of the LBB4401/00
Network Controller, is the heart of the Praesideo
system.
The network controller controls up to 60 nodes and 28
audio channels. The network controller also provides
the power to the system and keeps the configuration for
all elements in the system. The network controller is the
interface to other systems.
See figure 5.1 for a block diagram of the network
controller.
Audio Inputs
Control Inputs
POF
POF
48V Back-up
Supply
figure 5. 1 : Block diagram of the network controller
Bosch Security Systems | 2011-02
Display + Control
A/D
Network
Processor
+
DSP
I
Network
Redundancy
Switching
Power Supply
D/A
O
Message
Manager
Microprocessor
en | 83
Audio Outputs
Control Outputs
Flash card
Ethernet
RS232
Mains
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