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Bosch Security Systems | 2011-02
Praesideo 3.5 | Installation and User Instructions | 7 | System Hardware Installation en | 299
32 Architecture
32.1 Introduction
The exact layout of the Praesideo system depends on
the number and type of units that make up the system
This chapter contains some easy-to-follow examples of
(strongly simplified) Praesideo systems to illustrate the
possibilities.
32.2 Basic system
See figure 32.1 for an example of a basic system.
32.3 Redundant cabling
The basic system has no redundant cabling. If the cable
between the call station basic and the power amplifier
breaks, it becomes impossible to broadcast calls or
background music. This can be solved by creating a
redundant cabled system (see figure 32.2).
The only difference between the basic system and this
redundant cabled basic system is the connection
between the power amplifier and the network
controller. The equipment now forms a ring. If a cable
breaks, the system remains functional.
figure 32.1: Basic system
Note
In the remainder of this chapter, 'basic system'
refers to the system in figure 32.1.
PRS-NCO-B
Network Controller
PRS-4P125
Power Amplifier
LBB4430
Call Station Basic
LBB4432
Call Station Keypad
background music
figure 32.2: Redundant cabled basic system
Note
In the remainder of this chapter, 'basic
redundant system' refers to the system in
figure 32.2.
PRS-NCO-B
Network Controller
PRS-4P125
Power
Amplifier
LBB4430
Call Station Basic
LBB4432
Call Station Keypad
background music