i have written a program to transfer character from one comp to another using serial port .in order to test the program i want to use loopback control as i have only one computer. i have read how to connect rs232 in loopback mode but my problem is that if we have to connect pin 2 and 3 or 4 and 1 as in loopback mode ....how to connect it (rather short it).do i have to short the male DB9 with wires or is there anyother method.
pls do help fast.
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