Help connecting servos to breakout board Mach3

[Agathon]

you will have to make sure the baud rate is the same at both ends also start and stop bits are correct, the handshaking might be xon/xoff (ie software handshaking). You might also have to swap pins 2 and 3 over at one end this depends if the Pc is setup as DTE or DCE. one good thing about the com port is that it is hard to break

Thanks Clive, I'll take a look at all the things Boyan mentioned. I'll check the PC DTE or DCE settings - I'll buy a cable that I can alter the connections on.