Qnap package is incompatible

Hello,
Could someone give me a link or a hint with the correct package for my qnap model?
Model: TS-231/ 512MB ram/ Proc: Arm v7 rev1.
I tried all 3 packages from this site, but no luck :frowning:
UrBackup - MyQNAP - package is incompatible.

Thanks
adam