Trust
I do not know which protocol my panel uses — what should I do?
The four-question branch on the compatibility page derives a possibility, but nothing is called compatible before it is measured.
Detail
The questions are simple: what the label says, how many wires run from the reader to the panel, whether the panel has a browser interface and who installed the turnstile.
This branch never produces the measured class in any combination; at best it moves the result to probable.
Source
Source: the class definitions of the compatibility tool.