Is your RUTX50 on the latest firmware version (07.08) and did you try to unregister and re-register the box in RMS?
Unable to connect the RUT950 router to the RMS - #9 by Marija
Is your RUTX50 on the latest firmware version (07.08) and did you try to unregister and re-register the box in RMS?
Unable to connect the RUT950 router to the RMS - #9 by Marija