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Hi, I need to make a null modem cable for the following situation. can anybody please tell me which pins (TD,RD,...) should be connected together for this specific case and how.
Situation: I want the data which are put on the 9-pin COM port of a PC to be delivered to the 25-pin RS-232C serial port of a controller(device) regularly.No data is necessary to be sent back from the controller to the PC.
Sincerely,
Tavana
Situation: I want the data which are put on the 9-pin COM port of a PC to be delivered to the 25-pin RS-232C serial port of a controller(device) regularly.No data is necessary to be sent back from the controller to the PC.
Sincerely,
Tavana