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How many devices can I connect to a single SMP Gateway serial link?

April 26, 2017Connect Devices Gateway link serial SMP

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How many devices can I connect to a single SMP Gateway serial link?

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The RS-485 specification (ISO 8482) limits the input impedance of an RS-485 circuit to 12K Ohms, thus theoretically limiting the number of devices that can share a single port to 32.