Hello! Located on the Tachyon support page is the .mib and trap files. I am limited to enclosing 3 links in my post, however, the google search term “TNS-100 2.5G Switch Specs & Info” will reveal the page containing MIB and TRAP files on the Tachyon support & learning portal.
This device has found itself all over my network as a pretty important piece of infrastructure and I am eager to find support for it within LibreNMS.
https://p.libren.ms/view/078bbc26
https://p.libren.ms/view/93c4f205
https://p.libren.ms/view/49775edd