It is absolutely no difference between the test line and commercial one, only in port No., server, login and password. If the test is (was) working for you, the full subscription must work too.
Typically, when the user has a problem, we ask him to provide the log-file of emulator operation. From the log-file (sample -
https://www.cardsharing.cc/index.php?topic=32632.0), it is clear - if your login-password are accepted by the server and the keys are received - no problem with CS. But if login-password and rejected and any error occurred - we can see where is the problem.
In your case, there is no log-file, there is actually nothing, from where we can see the problem and the reason(s). So, you will hardly receive any advice from us re:problem. We do not know what is the reason why free test was working for you and subscription - does not. There is not sufficient information. And we do not know how to configure your Diablo Cam module because it is not listed in our recommended plugins or emulators.
That is why I suggested that you have to look for an answer at specialized forums re: TV-tuners.
P.S. Looking at your connection history, there was only 2 requests from you to the server for the whole day. It means that your tv-tuner did not send any requests to the server. Chech, recheck, and recheck again whether you have put all your billing details (login, password, port No., server No.) correctly. Seems that emulator is not sending requests to the server.