it´s for both RTL9210 and RTL9210B Chipsets dumped the current fw info with MPTool, made sure to change all parameters in *.cfg file RTL9210B_CG_Lite.cfg to match the original fw dumped info and finally commented the DISK_IPS_THRES entry.
1. Remove nvme from enclosure.
2. Fw update to latest firmware your rtl9210 enclosure see above for latest fw and cfg file.
3. Update to latest firmware your nvme m.2 using a pcie pc slot see nvme manufacturer app.
4. Reinsert nvme to enclosure and be happy.
(the enclosure was no longer recognized when awakened from the stand-by state by the 'Disk Management') has been solved with this version 1.23.9