Oh boy - I got a headache reading the lounge access chart!
Seems that Connect is just like a set of bilateral JVs, with just parts of the alliance - in fact possibly inferior to many JVs that are code neutral.
Also, just looked at CX's page (
https://www.cathaypacific.com/cx/en_...dmittance.html - right at the end) - it doesn't mention any requirement for Tabua Club Plus members to be on a FJ code to access the CX lounges in HKG/SIN/BKK when on