Siemens 7XV5651-0 A00 Series, Руководство по эксплуатации

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6 Applications
6.1 Optical line structure
When adding RS485/fibre optic converters in serial a connection into an
existing optical system with star couplers connected in radial structure, it
is possible to connect a number of devices with RS485 interfaces.
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12.10.2006 RS485-FO Converter 2-channel Page 25 of 28