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Praesideo 3.5 | Installation and User Instructions | 7 | System Hardware Installation
31.5
Maximum cable length
The maximum length of all optical fibers together (both
POF and GOF) in the system depends on the number of
nodes in the system. Each piece of equipment has been
assigned a number of nodes.
table 31.2: Nodes
Type no.
Description
LBB4402/00
Audio Expander
LBB4404/00
CobraNet Interface
PRS-NSP
Network Splitter
PRS-FIN(S)
Fiber Interface
PRS-FINNA
Fiber Interface
PRS-1P500
Power Amplifier 1x500 W
PRS-2P250
Power Amplifier 2x250 W
PRS-4P125
Power Amplifier 4x125 W
LBB4428/00
Power Amplifier 8x60 W
LBB4430/00
Call Station Basic
LBB4432/00
Call Station Keypad
PRS-CSNKP
Numeric Keypad
LBB4433/00
Call Station Kit
LBB4434/00
Call Station Keypad Kit
PRS-CSI
Call Station Interface
PRS-CRF
Call Stacker
PRS-16MCI
Multi Channel Interface
PRS-NCO-B
Network Controller
2150
2050
1950
1850
1750
1650
1550
1450
1350
1250
1150
1050
950
850
750
650
0
5
10
figure 31.5: Maximum optical fiber length vs. number of nodes
Bosch Security Systems | 2011-02
Nodes
1
1
1
1
0/1
1
1
1
2
1
0
0
1
0
1
1
1
3
15
20
25
30
Number of nodes
The graph (see figure 31.5) shows the relation between
the number of nodes in the system and maximum
optical fiber length in the system.
Note
A system may not contain more than 63 nodes.
Note
The PRS-FINNA counts as 0 nodes for the
system limit of 63 nodes, but as 1 node for the
maximum optical fiber length. Therefore, the
dashed part of the line is only applicable to
systems with PRS-FINNA Fiber Interfaces.
35
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50
55
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en | 297
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