@stephenw10. It has resumed working, attached directly to the UPS. !!
Nothing was forever damaged.
The way the SG-1000 was attached to its DIN rail, I had not noticed that there were two micro-usb connectors on the SG-1000 bottom. Further, I had not seen on the notice the mention that one of these ports (the one I was attempting to use, in error) is reserved for console access. Further, some cables simply do not work.
After having tested, some of my cables demonstrated they worked, but only in the proper hole on the SG-1000.
Thanks, Steve, for the help. My tiny SG-1000 still works with all its glory. As long as I do not need the fiber speed, I will get him to do the required work for my home.