Siemens 7XV5450-0BA00/DD Manual page 78

Application Examples
3.4 Star Topology with Master Redundancy (Extended Mode)
Master Channels: FO1/FO2 (Optical Fiber 1/Optical Fiber 2)
[dw_example_master-startopology-LWLonly, 1, en_US]
Figure 3-4
(1) The FO1 and FO2 channels are master channels.
(2) The FO3, FO4, and FO5 channels and the RS232 interface are slave channels.
The following table shows how you need to adjust the DIP switches for the mini star couplers in the applica-
tion example as per
DIP Switch
S 1/1
S 1/2
S 1/3
28
Example 3: Star Topology with Mini Star Couplers and Master Redundancy (Extended Mode)
Figure 3-4.
Mini Star Coupler
On
On
On
Accessories, Mini Star Coupler, Manual
C53000-G9050-C595-1, Edition 05.2020