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I have to communicate throw Modbus and Unitelway from a handheld computer wich does not have comm port (9 pin standard)for RS232. My computer has only USB interface.
What interface can I use to make a communication link between the computer described and an external device (RS232 interface) throw Modbus and Unitelway communication protocols.
Thank you in advanced for your help and support.
Dan
What interface can I use to make a communication link between the computer described and an external device (RS232 interface) throw Modbus and Unitelway communication protocols.
Thank you in advanced for your help and support.
Dan