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| Optoma EP755 RS 232 I need to make a Rs232 cable to control my projector. I am doing this for training to learn how to send RS232 control codes. I need to know the pin diagram for this cable. The Optoma has a 3 pin mini din and the computer a regular DB9. I need to know what pins on the 3 pin din is the TX, Rx, and Gnd Thank you for any help. |