http://qkpm2ov2rjhjkhfsftskqho77uj5rewd5y44unkf6cb7tdhaxwcvh2id.onion/books/apc/APCUPSD%20User%20Manual.html
The net
result, is that in those situations hiddev is completely unusable
so apcupsd will not work. So, in these cases, the choices are: Reduce the security level setting of the system (not sure if
this is possible after the initial install).