Hi,
From what I understand optomux is a standard that determines the syntax of the command sent. The commands are sent through serial or Ethernet. You can use LabVIEW (the VISA VIs) to communicate with a device using serial or Ethernet. However, there are no VIs that will build the optomux commands.
I'm not familiar with them, but you can check out the optomux VIs included with the Fieldpoint explorer. That should give you an idea of how to use the VISA to implement optomux communication.
DiegoF
National Instruments.
