Mailist to discuss all issues regarding the Digitech GSP-2101 Guitar FX Processor

I just bought a peavey t.g rax.  It is a guitartube preamp.  Here is 
my question there is only one outpu on the rax.  Shoud I do guitar---
>RAXX---->2101--->Amp   Hook the guitar into the raxx then run the 
output of the raxx into the input of the 2101.  Or run the outpu of 
the raxx into the 2101 return on the fx loop??  Any help would be 
appriciated.