Quote Originally Posted by boldford View Post
May I offer a word of caution in referring to the PC's 25 pin connector as serial. Used conventionally the printer port presents the data 8 bits at a time in a parallel format. The serial port proper (RS232) of a PC is usually a 9 pin connector.

Whilst our usual CNC applications (Mach3 or LinuxCNC) using the paraport are not using it in a quite the conventional manner we should be careful not to confuse it with the traditional serial port of a PC.

I hope nobody takes offence at what might seem like pedantry.
Well you have educated me boldford and thats not easy ..ask any of my teachers .. although I think they will all be dead by now lol :)