HW, u need some interface , such as PCI2GPIB, USB2GPIB or some else. And the COM software is easy for the GPIB use ASCII string to exchange information
the help of the matalb itself is very usful in such things
i was tryin to make it but virtually between two PCs but i discovered it is too dificult as there is a variable called manID and i don't know how to enter it