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Topology and protocol for boards connection

We've used level-translating I2C bus repeaters for connecting multiple power supplies together. They have active current sources instead of passive pull-up resistors and can support typically ~400pF ...
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RS-485 Network Topology with Backbone and Daisy-Chain Stubs

The bus backbone is max 20cm and it has ten 1.5 meter stubs connected to it. That is basically a star topology, which is not how RS-485 is meant to be used. It is against best practices already, ...
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RS-485 Network Topology with Backbone and Daisy-Chain Stubs

If you look at the Maxim datasheet you referenced, you will see that they show the application as a single string of connections with impedance matching resistors at each end. This is to control ...
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