Has anyone ever heard of using back-to-back GPIB-USB-HS+ (with an adapter in between) to connect two PCs? I am trying to automate a power supply for a test. The power supply's manufacturer says that in order to accomplish this I must run the LabVIEW VI on a different PC than the one running their control software. I'm supposed be able to link the two PCs with these back-to-back GPIB connectors and the control PC will appear to the VI's PC as a GPIB instrument as long as their control software is running. However, when I try to find the control PC (as a GPIB instrument) on the VI PC using NI MAX I see the GPIB-USB-HS+ in the device tree but MAX says it can't find any instruments. I put a known good GPIB instrument on the bus to verify that the USB connector is working, and I find it with no trouble. The manufacturer says it's supposed to work but so far not for me.
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