Hello! Thank you for your quick reply!
So the thing is the port seems to work, at least the red light turns on. It is not blinking, it is on constanly, should it blink?
I am not sure what you mean by having a channel to monitor the signal (this is my first try with Biopac and EMG so I dont know a lot about it). I can open a Template and can set up the data Acquisition, there is a tab named channels (Analog, digital, calculation and the Chanels 1-4 etc.).
Or do you mean the Black box toolkit configuration Utility?
If you need any more Info, I would be glad to tell you 
Ps. I will send some of my coding in here later maybe it will help