hi,
I have a GC-100 with a IRL, Not sure you can use I learn with the IRE, I don't see it in the option.
here is how I do: I plug the IRL on the serial port of the GC-100 and ethernet cable BEFORE I connect the power (otherwise it is not working).
In Ilearn:
-option ir learner: CG-IRL on GC-100
- enter the IP adress of your devide ( there is a free program on their site to find it if you don't know how).
- module has to be set on 1 always
- then press connect and it should work.

maybe with IRE you need another programm, I don't know.