A null modem cable will not work on a dynapath. I had to have my Dynapath 20 rebuilt by Parts N Smarts. I could not get it to communicate before, nor could I communicate after. I called Julius he emailed me the pinouts. He was telling me that the Dynapath books are written wrong. They found the problem in the late 80's, but to his knowledge thes still have not been corrected. I could not get any cable to work (null modem or grizzly) except for the one I made using the info from Parts n Smarts. I am using the communication from Bob-Cam v21. I have v22, but have not used it yet. The settings are 7,even,and 1. I think I uploaded the attachment, if not I will try again.
Joe Updike
www.cyclestartcnc.com
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