TCP/IP VISA RESOURCE (connection to the LAN) vs USB?

I wonder if I should increase the number of USB ports, I have on my workstation or add a USB hub, or TCP/IP Lan connections can be as fast as USB connections? The first time, it seems that when you use the local network connected insturment that the answer is much slower when it is USB connected, but my workstation has sufficient TCP/IP and not enough connections USB ports.

Thank you

Kellen

Personally, I have no trust USB.  I had too many problems with it.  Cables randomly edge.  Cables move around and that is why it is 'new '.  In a dedicated test rack that just sits there, it's probably fine. But you should definitely use a good powered external hub.

But I prefer to go on the road to LAN, especially if you have LXI compliant instruments.  There is just something about the connection to your device via a web browser to make sure it's working properly.  And all you need is a good Ethernet hub and you can connect to a ton of instruments.  If you're not going this way, have the instruments on their own small network with fixed IP addresses.  It will make your life much easier.  If you need the computer on a corporate network, it is fine.  Just make sure you have 2 Ethernet ports.

Yes, USB has a lower latency.  When the flow of data, LAN can play catch-up (at least with Gigabit).  There are advantages and disadvantages to both options.

Tags: NI Software

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