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Siemens Cerberus PRO FC721 Technical Manual page 63

Fire control panel
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Building Technologies
Fire Safety
The connection terminals for the C-NET are on the periphery board.
Figure 24: Position of C-NET connection terminal on the periphery board
Max. 126 C-NET devices are permitted on the C-NET connection (block of 4
terminals).
The C-NET devices can be distributed on the loop (max. 126 devices) or on
two stubs (max. 32 devices per stub).
Loop connection example
Max. 126 line devices
-
4
+
3
-
2
+
1
Figure 25: C-NET loop circuit
Alternatively, the connection of two stubs instead of one loop is possible
Stub connection example
Max. 32 line devices per stub
Total of max. 64 line devices per line connection (4 terminals)
-
4
+
3
-
2
+
1
Figure 26: C-NET stub circuit
X11
Installation
6
C-NET detector line
Cerberus
T M
C
Cerberus
T M
C
63 | 118
A6V10211100_f_en_--
2015-12-15

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