Roon/Bluesound Node - adding new DAC (non Roon-Ready)

Hi guys, 

I'm currently at the start of the 14 day trial of Roon; Roon is running on my PC in a wired network, using my Node as endpoint, with the remote app on my android tablet. 

All good at the moment, I'm enjoying using it, but in the next couple of days I'll be taking delivery of a new DAC;  it isnt a mainstream DAC, it's a built to order unit from a tiny, 2 man company here in the UK. I don't think they even ship their units outside of the UK, so I doubt they Roon-Ready.

I will be slotting in  the new DAC via SPDIF/Coax to my Node; my question is, how will the new DAC fit in to the processing stream if not recognised by Roon?

I'm obviously new to Roon so please forgive my ignorance. I've tried looking online, but I'm still not clear how the system will work after adding the new DAC, or if it will work at all? 

For reference, the DAC is from a company called NJC Audio, and is the NJC Reference DAC. It has no software/drivers, and is plug and play. 

Thanks for reading