Are we to the "LabVIEW" part of this discussion yet? Maybe it's best moved to theboard?
If i'm using ethernet cable. Do i have to download any driver?
Yes. You still need the LabVIEW driver so that you can talk to the instrument. All we are recommending is using the Ethernet cable instead of a GPIB. The driver won't care since it should be written with the VISA API which abstracts the actual communication bus from you.
Sorry. actually i am new to LabView.
do i need to download this? http://www.ni.com/download/ni-visa-5.3/3823/en/
You will need VISA as well (that normally just installs with LabVIEW). But I was referring to something more like this: Tektronix TDS 3000 Series Oscilloscope Certified LabVIEW Plug and Play (project-style) Instrument Dr...