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[RS-485] (+24V) convolution to RS-485 line


I would like to know we have solution or not for the customer's question.

The customer willing to use ADM483. And they want to SUPERIMPOSING DC (+24V) on RS-485 half duplex line.

(And also separate DC and data after receive)

Is there anything solution that we have?

Actually, some video transmit equipment have such a function like as Power over Ethernet.

(example product as below)

B&H Photo Video

Thank you for your help as always.

Best regards,