- #1
asad1111
- 51
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iam making a project of serial communication between computer and controller the problem is:- db9 female port is connected to computer and male port is there to connect with max232 now in all circuits i have seen they have written that pin 2 is RTX or receiving pin whereas when i send signal from hyper terminal it appears on pin 2(i see it on oscilloscope) instead of pin3 which is transmission pin should it not have to appear on transmission pin??
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