Siemens FN2013-U1 User Manual

Fiber-optic cascading (daisy chain)
Tx Rx Tx Rx
L 1 L 2
Tx Rx Tx Rx Tx Rx Tx Rx
FN2013/14
Tx Rx Tx Rx Tx Rx Tx Rx
FACP FACP FACP FACP FACP
FN2013/14 FN2013/14 FN2013/14 FN2013/14
EF1
RS485
L 1 L 2
L 1 L 2
L 1 L 2 L 1 L 2
EF1
RS485
EF1
RS485
EF1
RS485
EF1
RS485
EOLR EOLR EOLR EOLR EOLR
Fig. 11: Fiber-optic cascading (daisy chain)
L1 Fiber-optic SC connection for circuit 1
L2 Fiber-optic SC connection for circuit 2
EF1 Connection A1/B1, RS485
FACP Fire control panel
EOLR Terminating resistor 120 Ω
Fiber network module FN2013/FN2014
Appendix
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Siemens FN2013-U1 Specifications

General

Brand	Siemens
Model	FN2013-U1
Category	Control Unit
Language	English