I've connected my PC to two Hardinge lathes for PC->USB->RS232->Lathe data transfer. I can up load, down load program files, wear offset, and parameters. Works great, but now I want to hook up to a couple Okuma Lathes. Currently, we're using 3-1/2" floppies. The Okumas do have RS-232 ports, but nobody knows the pin config. or the control panel moves. When we upgrade PCs I like to move up to PC->USB->Okuma.