Siemens 7XV5650-0CA00 Manual page 69

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Receiving diodes are identified with Rx.
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The fiber-optic cables must be crossed, that is, the fiber-optic cable must be routed from the transmitter
to the receiver and vice versa.
NOTE
i
i
When routing fiber-optic cables, consider the prescribed bending radius.
NOTE
i
i
After connecting to the device, tighten the screws on the D-sub plug connector.
Accessories, RS485 Optical Fiber Converter for Asynchronous Protocols Up To 115 kBd (1-Channel) 7XV5650-0CA00, Manual
C53000-G9050-C604-1, Edition 03.2020
Assembly and Commissioning
4.2 Connection
27