Hi,
Can you try this code and see if the Fastrak is connected?
Code:
import viz
import vizact
import viztracker
viz.setMultiSample(4)
viz.fov(60)
viz.go()
lab = viz.addChild('lab.osgb')
polhemus = viz.add('polhemus.dle')
fastrak = polhemus.addFastrak(port=1,baudRate=115200)