I have a IC754VSI12MTD Quickpanel, new, that I cant communicate with. It has a 25 pin port and ethernet port, since I am not well versed on the ethernet stuff, can I use the 25 pin port to download from my laptop to the QP? I have a cable that has serial plug on one end and 25 pin on the other but when I try to download it gives an error and the laptop freezes up. I think I have somthing set wrong but I cant seem to find it.